Entrance filter

The invention relates to an entrance filter, which is used for filtering gas connected into a screw compressor. An upper end socket is fixed at the upper end part of a barrel, a lower end socket is fixed at the lower end part of the barrel; a vent nozzle is formed in the upper end socket; a sewage draining port is formed in the lower end socket; an air inlet is formed in the upper section of the wall body of the barrel; an air outlet is formed in the lower section of the wall body of the barrel; a shelf ring is fixed on the inner wall of the barrel; the plane of the shelf ring and the barrel are in an acute angle intersection; the shelf ring is provided with a filter drum and the height of the filter drum at the side of the air inlet is less than that of the filter drum at the side of the air outlet; and a lifting lug is fixed on the upper end socket and a supporting foot is fixed on the lower end socket. The entrance filter disclosed by the invention can effectively filter gas connected ...

Bottom supporting device of reaction kettle

The invention relates to a bottom supporting device of a reaction kettle. According to the bottom supporting device, a rotary shaft is tightly sleeved with a shaft sleeve; a bearing seat is fixedly arranged on the lower end part of a flange of a reaction kettle in a sealed manner; an annular cover plate is integrally connected with the top end part of the bearing seat; the bearing seat is internally provided with a rotary sleeve; the bottom end face of the annular cover plate is contacted with the top end face of the rotary shaft; the shaft sleeve is rotatably mounted in the rotary sleeve; a gap is formed between the inner circle of the annular cover plate and the outer circle of the shaft sleeve; a flange is fixedly arranged on the lower end part of the bearing seat in the sealed manner; an end socket is fixedly arranged on the bottom end part of the flange; a water pump connection pipe is arranged on the end socket. According to the bottom supporting device of the reaction kettle, a clamping ...

Accurate shearing tool's removal warehousing and transportation toolchanger

The utility model discloses an accurate shearing tool's removal warehousing and transportation toolchanger, including mount, removal frame and conversion frame, remove and erect the pulley, the gyro wheel has been set up in the conversion, and the mount sets up first guide rail and the second guide rail that is used for guide conversion frame to move with moving, and first guide rail and second guide rail set up first recess, second recess, first locking groove and second locking groove respectively for first recess, second recess, first locking groove and second locking groove can be put into to the pin that prevents the conversion frame to remove, and make the conversion frame remove to the mount from removing the frame as supplying of first guide rail and second guide rail. The device simple structure is convenient for operate, has improved accurate shearing tool's replacement efficiency.

Method for manufacturing composite aluminum foil for car heat exchanger

The invention discloses a metal material processing technology, in particular to a manufacturing method used for manufacturing an aluminum-alloy compound foil. The method includes the following steps: the aluminum liquid is cast into an ingot through melting, smelting, sediment-removing and stirring; the ingot is heated and rolled into an aluminum-ally plate; the aluminum-alloy plates of an upper and a lower claddings are washed and then are covered onto an upper surface and a lower surface of a cast plate of a core layer, then the alloy plates are welded into a whole; the welded alloy plates are heated and hot rolled into a blank, and the hot rolled blank is rolled into a foil material through a cold rolling mill; in the end the foil material is put into an annealing furnace for a medium annealing; after taken from the annealing furnace, the foil material is rolled, drawn and cut fine so as to make into the compound foil used for an automobile heat exchanger. The invention has the advantages ...

Solar water heating system

The utility model relates to the field of solar energy technology, concretely relates to solar water heating system, including water tank and heat collector, the water tank is connected through the pipeline with the heat collector, is provided with the coil heat exchanger that prevents frostbite in the water tank, the heat collector is ceramic solar collector. The utility model discloses a solar water heating system adopts ceramic solar collector module to carry out the heat source collection, set up prevent frostbite coil heat exchanger and unique closed circulation heat transfer technique warm surely at the water tank, and it can use to make solar water heating system have all -weather four seasons, be not afraid of freeze, fried pipe, with the building with a great deal of advantages such as life -spans.

Location method for massive cement in nondestructive testing

The invention discloses a location method for massive cement in nondestructive testing, which comprises the following steps: 1. establishing an observation system; 2. determining an excitation measuring mode; 3. picking the first arrival time of direct waves; 4. analyzing and determining the propagation velocity of ultrasonic waves in concrete; 5. calculating an excitation-point three-point unit;6. optimizing the excitaion-point three-point unit; and 7. locating and calculating coordinate values of a receiving point. In the location method, as manual work is not needed for a large number of lineation, measurement and location, the labor and the time are saved, and the working amount of location and measurement can be saved by more than 80%; and the location method solves the technical problem that the conventional method is difficult to measure in special environment such as high attitude and the like. As the location method is used for locating the massive concrete in the nondestructive ...

PCB (printed circuit board) conveying mechanism of chip mounting machine

The invention discloses a PCB conveying mechanism of a chip mounting machine. The PCB conveying mechanism of the chip mounting machine comprises a guide rail I (11) and a guide rail (12) II which are parallel to each other, a conveyor belt (20) is mounted on the guide rail I (11) and the guide rail II (12), and the guide rail I (11) is fixed to a frame (90). The PCB conveying mechanism of the chip mounting machine further comprises a moving device (30) connected to the frame (90), and the guide rail II (12) is mounted on the moving device (30) and can move on a plane formed by the guide rail I (11) and the guide rail II (12) in the direction perpendicular to the guide rail I (11). Therefore, the distance between the guide rail I and the guide rail II is adjustable, the guide rail I and the guide rail II can clamp PCBs different in sizes, and namely, the PCB conveying mechanism can convey the PCBs different in sizes. The chip mounting machine with the PCB conveying mechanism can be used ...

Preparation method for preparing titanium dioxide photochemical catalyst by ionic liquid

The invention discloses a preparation method for preparing titanium dioxide photochemical catalyst by ionic liquid, which comprises the following steps: solution A is obtained by adding absolute ethyl alcohol, tetrabutyl orthotita and methyl ethyl diketone to an agitated reactor with mechanical stirring in sequence and then stirring; solution B is obtained by adding absolute ethyl alcohol, 1-butyl-3-methylimidazolium hexafluorophosphate ionic liquid, distilled water and concentrated hydrochloric acid to an agitated reactor with mechanical stirring in sequence and then stirring; transparent light yellow collosol is obtained by mixing the solution A with the solution B and then stirring; the light yellow collosol is stoved at 100 DEG C in a vacuum drying oven with heat in a muffle furnace being preserved for 1 hour, the muffle furnace is heated and then heat is preserved for 2 hours, finally the light yellow collosol taken out from the muffle furnace to reach indoor temperature by natural ...

Novel energy-absorbing thin-wall inverted siphon seismic mitigation and isolation structure

The invention provides a novel energy-absorbing thin-wall inverted siphon seismic mitigation and isolation structure, and belongs to the technical field of seismic mitigation and isolation. Comprising an inverted siphon water pipe; the inverted siphon water conveying pipe is formed by sequentially connecting a plurality of pipe sections; the pipe sections are connected through foamed aluminum damping units; one end of the inverted siphon water pipe is connected with a water intake of an upstream river channel through a first regulating valve, and the other end is connected with the reservoir through a second regulating valve; reinforced concrete anchor blocks are arranged at the corners of the inverted siphon water conveying pipes. According to the seismic isolation and reduction structure, the overall rigidity and stability of the inverted siphon structure can be effectively improved, the purposes of comprehensively improving the overall impact resistance and seismic resistance of the ...

Bamboo stick polishing machine

The invention relates to a bamboo stick polishing machine. The bamboo stick polishing machine comprises a shaft, eccentric wheels and machine frames, wherein the shaft is provided with the two eccentric wheels which are in axial symmetry with each other, each eccentric wheel is composed of an inner wheel and an outer wheel, each inner wheel is fixed on the shaft, and each outer wheel is connected with the corresponding machine frame through a connection rod. Each eccentric wheel is connected with one machine frame on one side, the two machine frames are simultaneously driven to operate, the use rate of the bamboo stick polishing machine is increased, the eccentric wheels rotate to drive cotton buds on a loading bottom board to do reciprocating motion, the moving bamboo sticks are completely polished by rough surfaces in the machine frames, burrs can be effectively removed, production quality of the bamboo sticks is improved, and production efficiency is greatly improved.

Photovoltaic module's clean system of intelligence

The utility model discloses a photovoltaic module's clean system of intelligence, including photovoltaic module, support, dust sensor, air -out piece, air compressor machine, controller, battery and dc -to -ac converter, the air -out piece is equipped with air outlet and air intake, and the air intake is connected with air pipe, and air pipe is connected with the air compressor machine, the dust sensor is equipped with two sets ofly and is first group's dust sensor respectively and second group dust sensor, is first group dust sensor 20 apart from the distance of photovoltaic module's upper end 40cm, is second group dust sensor 20 apart from the distance of photovoltaic module's lower extreme 30cm, all dust sensors all are connected with controller signal, still be equipped with temperature sensor and humidity transducer. The utility model discloses a dust concentration of dust sensor measurements photovoltaic module's extinction face to transmit the testing result for the controller, the ...

Anti-sagging aluminum alloy composite foil for heat exchanger and preparation method of anti-sagging aluminum alloy composite foil

The invention discloses an anti-sagging aluminum alloy composite foil for a heat exchanger and a preparation method of the anti-sagging aluminum alloy composite foil. The preparation method comprises the following steps: (1) preparing a core material layer, wherein a core material comprises the following components in percentage by mass: 0.25-0.45% of Fe, 0.2-0.35% of Si, 1.2-1.3% of Mn, 0.5-1.0% of Mg, 0.1-0.2% of Ti, 0.2-0.3% of Cr, other inevitable impurity elements and the balance of Al; (2) a coating layer is prepared, specifically, Al-Si aluminum alloy with the mark of AA4343 is adopted as a raw material to be added into a smelting furnace, and V accounting for 0.2-0.5% of the mass of the raw material is added after the Al-Si aluminum alloy is completely molten; (3) surface milling treatment; and (4) composite rolling and heat treatment. According to the aluminum alloy composite foil, the means of combining the formula design of the core material layer and the coating layer with the ...

Photovoltaic module self -cleaning device

The utility model discloses a photovoltaic module cleaning device, include installation photovoltaic module's rectangle backplate and cleaning device, cleaning device includes a sliding cross rod, the2nd sliding cross rod and the 3rd sliding cross rod, and a sliding cross rod, the 2nd sliding cross rod and the 3rd sliding cross rod's both ends are connected the length direction that just can prolong the guide slot with the gyro wheel rotation respectively and are controlled the removal, and the 2nd sliding cross rod is equipped with and cleans the sponge, all is equipped with a plurality of cleaning device 3 on a sliding cross rod and the 3rd sliding cross rod, be equipped with at least one head rod between a sliding cross rod and the 2nd sliding cross rod, be equipped with at least one second connecting rod between the 2nd sliding cross rod and the 3rd sliding cross rod, still be equipped with dust sensor, current transformer, voltage transformer, drive arrangement, central controller ...

Aluminum foil for air conditioner and preparation method of aluminum foil

The invention discloses an aluminum foil for an air conditioner and a preparation method of the aluminum foil. The aluminum foil comprises the following components in percentage by weight: 0.60-0.70% of Fe, 0.15-0.25% of Si, 0.01-0.03% of Ti, 0.01-0.03% of Sc and the balance of aluminum and inevitable impurities. On one hand, through the content design of Fe, Si and Ti and the use of Sc, the appearance of large grains is inhibited, and the grains are refined; and on the other hand, the electromagnetic oscillation technology is assisted in the cast rolling process, grains are further refined, the tensile strength of the prepared aluminum foil reaches 103-110 MPa, the ductility reaches 27-32%, the cupping value reaches 7.7-8.1 mm, and the use requirement for high deep drawing can be met.

Chip mounter delivery mechanism allowing delivery of multi-size PCBs (Printed Circuit Board)

The invention discloses a chip mounter delivery mechanism. The chip mounter delivery mechanism comprises guide rails (11 and 12) which are mutually parallel and a mobile device which is connected to a frame (90); the guide rail (12) is installed on the mobile device; the mobile device mainly comprises a rack and pinion mechanism (50) which comprises guide rails (51 and 52), a sliding rod (53), gears (54) and racks (55); sliding grooves are formed in the guide rails (51 and 52); the sliding rod slides inside the sliding grooves; the racks (55) are installed on the guide rails (51 and 52); the gears (54) are installed on the sliding rods (53). Accordingly, distance between the guide rails can be adjusted, the guide rails can clamp the PCBs in different size, namely, the PCB delivery mechanism can deliver the PCBs in different size, the chip mounter on which the PCB delivery mechanism is arranged can mount different-sized PCBs to improve the utilization rate.

Boiler tail gas filtering device

The invention relates to a boiler tail gas filtering device. The boiler tail gas filtering device comprises a filtering tank, wherein a boiler is connected with the filtering tank by a pipeline; an outlet of the pipeline is positioned in the lower part of a filtering screen and in the edge of the filtering tank; the upper side section of the filtering tank is provided with a filtering water inlet; the lower end of the filtering tank is provided with a filtering water outlet; the side surface of the filtering tank is provided with a circular outer-layer water tank; the upper part of the filtering tank is provided with a filtering tail gas outlet. The boiler tail gas filtering device has the advantages that the outer side of the filtering tank is provided with a water tank capable of effectively absorbing heat in the filtering tank and recycling heat energy; a certain oblique angle is formed between the outlet of the pipeline and the filtering screen, so that in the air exhaust process, water ...

Silencer barrel installation structure of entrance silencer

The invention relates to a silencer barrel installation structure of an entrance silencer. According to the silencer barrel installation structure, the upper part of the inner wall of a silencer barrel body is fixedly provided with a upper end ring sealing plate; the lower part of the inner wall of the silencer barrel body is fixedly provided with a lower end ring sealing plate; an inner barrel body is arranged in the silencer barrel body; the inner barrel body is made of orifice plates; excircle upper part of the inner barrel body and incircle part of the upper end ring sealing plate are fixed together, and excircle lower part of the inner barrel body and incircle part of the lower end ring sealing plate are fixed together; and a first silencing screen mesh is arranged between the inner barrel body and the silencer barrel body. The silencer barrel installation structure possesses advantages such as less operation vibration and operation noise, simple and reasonable structure, and stable ...

Multifunctional electronic watt-hour meter

The invention discloses a multifunctional electronic watt-hour meter, which comprises a voltage and current sampling circuit, an electric energy measuring chipset circuit (20), a main control chip (30), a real-time clock (31), a watchdog circuit (32), a storage (33), a communication module, a keyboard (35), an LED (Light Emitting Diode) display (36) and a power module (40), wherein the voltage and current sampling circuit is connected to the electric energy measuring chipset circuit (20), the electric energy measuring chipset circuit (20) is connected to the main control chip (30) through a synchronous serial peripheral interface, and the real-time clock (31), the watchdog circuit (32), the storage (33), the communication module, the keyboard (35) and the LED display (36) are respectively connected to the main control chip (30). According to the multifunctional electronic watt-hour meter, all kinds of information of electric energy can be measured conveniently, meter reading work is completed ...

Filter element mounting structure for filter

The invention relates to a filter element mounting structure for a filter. A mounting plate is fixed in a filter housing, which is internally provided with a pressure plate. Lower mounting sleeves and a stud are fixed on the mounting plate. Central filter pipes are closely inserted into the lower mounting sleeves, and filter elements are arranged on the central filter pipes, the upper end faces of which are located below the upper end faces of the filter elements. The upper ends of the lower mounting sleeves are embedded into the lower end faces of the filter elements. Filtrate holes are disposed on walls of the central filter pipes. The pressure plate is provided with a mounting hole. The upper end of the stud is inserted into the mounting hole of the pressure plate. The stud above the pressure plate is in screw joint with a compression nut. The upper end faces of the central filter pipes are equipped with upper mounting bowls, the edges of which are embedded into the upper end faces of ...

Method and device for detecting V7 variant of human AR gene

The invention relates to a method and a device for detecting a V7 variant of a human AR gene. In particular, the present disclosure relates to a method for detecting an androgen receptor (AR)-V7 variant in a sample and a corresponding device. The method comprises the following steps: comparing transcript sequencing data of a sample with a reference genome to generate a sequence file matched with an AR gene; the signal number of a target sequence fragment is obtained from the sequence file, the target sequence fragment comprises a first area and a second area, the sequence of the first area is matched with an exon 3 area of the AR gene, and the sequence of the second area is matched with a CE3 area of the AR gene; and when the signal number of the target sequence fragment is not zero, judging that the sample is AR-V7 positive, otherwise, judging that the sample is AR-V7 negative.

Inlet silencer

The invention relates to an inlet silencer which can be used for carrying out noise reduction on gas introduced into a screw compressor. The inlet silencer is characterized in that an upper-end annular sealing plate is fixed at the upper end part of the inner wall of a silencer cylinder body; a lower-end annular sealing plate is fixed at the lower end part of the inner wall of the silencer cylinder body; the silencer cylinder body is internally provided with an inner cylinder body; a first silencing screen is arranged between the inner cylinder body and the silencer cylinder body; an upper ring plate is fixed at the upper end part of the inner wall of the inner cylinder body; a lower ring plate is fixed at the lower end part of the inner wall of the inner cylinder body; a support ring is fixed in the middle of the inner wall of the inner cylinder body; a support rib plate is fixed on the support ring; a hollow porous plate is fixed in the support rib plate and is internally provided with ...

Emergent exhaust system of CNG compressor room

The utility model relates to an emergent exhaust system of CNG compressor room, a plurality of square hole on the roof, hank dress skylight on every square hole, open end in the skylight passes through the rope and connects the vaulting pole lead screw, , the skylight adorns explosion -proof driving motor on opening actinal roof inner wall admittedly, the threaded motor shaft extends to vaulting pole lead screw below and meshes through the shaft coupling, the vaulting pole lead screw passes the shaft coupling and does the up -and -down motion by the motor shaft drive, admittedly, two combustible gas detectors are equipped with at the CNG compressor room, the parallelly connected back of signal output part of two combustible gas detectors is connected through the switching power supply of wire with solid dress, switching power supply's output of the same kind and explosion -proof driving motor are connected, another way output is connected with the alarm of installing on the roof. The utility ...

Safety early warning fence for electric power system

The utility model relates to the technical field of electric power safety equipment, in particular to a safety early warning fence for an electric power system, which comprises a left vertical rod, a right vertical rod, a plurality of cross rods arranged between the two vertical rods at intervals up and down, and a range warning mechanism positioned on the front sides of the two vertical rods, the two supporting rods extend in the front-back direction, the rear ends of the two supporting rods are connected with the lower ends of the two vertical rods respectively, a ground mat is arranged between the two supporting rods, a plurality of pressure sensors are arranged on the ground mat, audible and visual alarms are arranged at the upper ends of the two vertical rods, and a signal processor is arranged on the uppermost transverse rod. All the pressure sensors and the audible and visual alarm are electrically connected with the signal processor. The fence disclosed by the utility model has ...

Aluminum alloy foil for honeycomb core and process for preparation

The invention relates to an aluminum alloy foil for a honeycomb core and a process for preparation. Components and weight percentages of the aluminum alloy foil comprises the following components by weight: 0.25-0.35% of iron, 0.05-0.15% of silicon, 0.005-0.05% of copper, 0.005-0.06% of manganese, 0.20-0.28% of chromium, 2.20-2.60% of magnesium, 0.010-0.035% of titanium, and the other component is aluminum. The process for preparing the aluminum alloy foil includes steps of preparing materials, casting and hot rolling an ingot blank, annealing, hot rolling, cold rolling and the like, and resolves problems that the existing aluminum alloy foil is pool in surface quality, poor in shape and uneven in thickness and does not accord with mechanical property.

Clean system of solar PV modules

The utility model discloses a clean system of solar PV modules, including clean system and monitor control system, clean system includes shower, water catch bowl and water circulation pipeline, and shower horizontal installation installs on the support in photovoltaic module's upper end, photovoltaic module, photovoltaic module's lower extreme and lie in the support on be equipped with the water catch bowl, be equipped with water tank and pressure water pump in proper order along the water flow direction between water catch bowl and the shower. The utility model discloses not only can wash photovoltaic module surface floating dust, prolong photovoltaic module's life greatly, reduce cost of maintenance, the water resource is utilized many times moreover, reduces the cost.

Epoxy resin-based copper powder conductive adhesive and aluminum electrode

The invention relates to the technical field of aluminum electrodes, in particular to an epoxy resin-based copper powder conductive adhesive which comprises the following components in parts by weight: 40-50 parts of epoxy resin, 50-60 parts of silane coupling agent modified copper powder, 5-7 parts of octasilsesquioxane containing 2-3 epoxy groups, 2.7-3.5 parts of a curing agent and 8-12 parts of an organic diluent, the octasilsesquioxane containing 2-3 epoxy groups is prepared by carrying out hydrolytic condensation reaction on urea propyl trialkoxysilane and epoxy butyl trialkoxysilane according to the molar ratio of (5-6): (2-3), and the sum of the molar ratios of the urea propyl trialkoxysilane and the epoxy butyl trialkoxysilane is 8. According to the copper powder conductive adhesive disclosed by the invention, octasilsesquioxane containing 2-3 epoxy groups is introduced to participate in curing of epoxy resin, so that the discharge duration of a prepared aluminum electrode can ...

Conveying mechanism of chip mounting machine

The invention discloses a conveying mechanism of a chip mounting machine. The conveying mechanism of the chip mounting machine comprises parallel guide rails (11 and 12), a conveyor belt (20) is mounted on the guide rails (11 and 12), and the guide rail (11) is fixed to a frame (90). The conveying mechanism of the chip mounting machine further comprises a moving device connected to the frame (90), and the guide rail (12) is mounted on the moving device and can move on a plane formed by the guide rail (11) and the guide rail (12) in the direction perpendicular to the guide rail (11). The moving device mainly comprises a rack and pinion mechanism. Therefore, the distance between the guide rails is adjustable, and the guide rails can clamp a PCB different in sizes, namely, the PCB conveying mechanism can convey the PCB different in sizes. The chip mounting machine with the PCB conveying mechanism can be used for mounting a chip to the PCB different in sizes, so that the use rate of the chip ...

Micro-slump concrete for roller compacted concrete dam and construction method thereof

Smelting furnace capable of preventing burning loss of waste materials

The invention discloses a smelting furnace capable of preventing burning loss of waste materials, and relates to the technical field of smelting furnaces, the smelting furnace comprises a supporting stand column, a powder spraying assembly and a feeding assembly, a rotating shaft is mounted on the inner side of the supporting stand column through a gear motor, an outer furnace body is mounted on one side of the rotating shaft, and a main furnace body is mounted in the outer furnace body; a material opening is fixed to the upper portion of the outer furnace body, a furnace cover is installed above the material opening, powder spraying assemblies are installed on the two sides of the outer portion of the material opening, the feeding assemblies are installed on the front side and the rear side of the outer portion of the outer furnace body, each feeding assembly comprises a feeding pipe, a material bin, a preheating cavity and a feeding cavity, and the material bin is installed above the ...

Method for preparing modified serpentine loaded titanium dioxide photocatalyst

The invention discloses a method for preparing a modified serpentine loaded titanium dioxide photocatalyst, comprising the steps of: preparing modified serpentine; mixing absolute ethyl alcohol, tetrabutyl titanate and acetylacetone, and stirring to obtain solution A; mixing absolute ethyl alcohol, [Bmim] PF6, distilled water and concentrated hydrochloric acid, and stirring to obtain solution B; mixing the solution A and the solution B, and stirring to obtain a transparent flaxen sol; placing the modified serpentine in the sol to soak and drying; and then placing in a muffle furnace, preserving heat at a temperature of 300 DEG C for 1h, heating to 600 DEG C, preserving heat 2h and naturally cooling to the room temperature to obtain the modified serpentine loading the titanium dioxide photocatalyst. In the invention, the serpentine is used as a carrier to load the titanium dioxide photocatalyst, thereby solving the problem that the recycle of the catalyst is difficult. The prepared catalyst ...

Photovoltaic power plant washs prediction structure

The utility model discloses a photovoltaic power plant washs prediction structure, including support, the fixed frame of photovoltaic board, photovoltaic board, a plurality of humidity sensor, belt cleaning device and controller, belt cleaning device includes storage water tank, raceway and shower head, the one end of raceway with the tank connection and the other end and spraying head connected,the storage water tank is fixed in on the support, the shower head is fixed in the upper end of photovoltaic board, the raceway with the junction of storage water tank is equipped with a suction pump,humidity sensor wireless connectivity periphery terminal, the suction pump with the controller electricity is connected, the controller with periphery terminal wireless connectivity. The utility model discloses a humidity sensor of photovoltaic board upper surface judges whether the photovoltaic board need clean, guarantees the cleanliness of photovoltaic board, is favorable to improving the generated ...

Stream-blocking cooler for kettle

The invention relates to a stream-blocking cooler for a kettle. The stream-blocking cooler comprises a cooling pipe, a stream-blocking pipe, a water inlet pipe, a water inlet port, a water outlet port and a sealing plate, wherein the cooling pipe is a blind pipe; the outer wall of the cooling pipe is fixedly provided with the stream-blocking pipe which is arranged in an upward inclined manner, and the axes of the stream-blocking pipe and the cooling pipe are intersected in an acute angle manner; the top end part of the cooling pipe is fixedly provided with the sealing plate, the sealing plate is provided with the water inlet port and the water outlet port, the cooling pipe is internally provided with the water inlet pipe, the water inlet end of the water inlet pipe is provided with the water inlet port, and the water outlet end of the water inlet pipe is positioned in the bottom end of the cooling pipe. The stream-blocking cooler for the kettle provided by the invention has the stream-blocking ...

Vertical -shaft wind generator

The utility model relates to a power generating equipment, concretely relates to vertical -shaft wind generator, including wind wheel and generator, the generator includes inner rotor and external rotor, the wind wheel includes first wind wheel and second wind wheel, first wind wheel drives the generator inner rotor and rotates, the second wind wheel drives the generator external rotor and rotates, first wind wheel with the second wind wheel turns to on the contrary. Vertical -shaft wind generator, can overcome start that the wind speed is high, application scope is little, the reliability is low among the prior art, defect such as poor economic performance and life lack to realize that the start -up wind speed is low, application scope is wide, the reliability is high, economic benefits good and long service life's advantage.

Aluminum alloy narrow belt packaging structure

The invention relates to an aluminum alloy narrow belt packaging structure, which comprises a packaging base body, a bottom plate and an upper cover plate, wherein the packaging base body consists of a plurality of aluminum alloy belt coils and gaskets, the aluminum alloy belt coils and the gaskets are alternatively stacked up and down, the bottom plate and the upper cover plate are used for clamping the packaging base body, the packaging base body is of a column structure, each gasket comprises an upper annular paper sheet, a lower annular paper sheet and a hanging strip, each hanging strip is arranged between the corresponding upper annular paper sheet and the corresponding lower annular paper sheet, a gap is formed between the corresponding upper annular paper sheet and the corresponding lower annular paper sheet, center through holes in the aluminum alloy belt coils and center through holes in the gaskets form a tubular passage, the upper surface and the lower surface of the packaging ...

Manufacturing method of aluminium alloy strip used for printing CTP (computer-to-print) substrate

The invention discloses a manufacturing method of an aluminium alloy strip used for printing a CTP (computer-to-point) substrate. By reasonably distributing hot rolling and cold rolling deformation, a better compound crushing effect and a dislocation distribution effect can be obtained, the grains are small, and the grain boundary quantity is increased, thus a tissue which is beneficial to electrolysis and can balance factors influencing the electrolysis can be obtained, and the mechanical properties are excellent.

Method for preparing modified serpentine loaded titanium dioxide photocatalyst

The invention discloses a method for preparing a modified serpentine loaded titanium dioxide photocatalyst, comprising the steps of: preparing modified serpentine; mixing absolute ethyl alcohol, tetrabutyl titanate and acetylacetone, and stirring to obtain solution A; mixing absolute ethyl alcohol, [Bmim] PF6, distilled water and concentrated hydrochloric acid, and stirring to obtain solution B; mixing the solution A and the solution B, and stirring to obtain a transparent flaxen sol; placing the modified serpentine in the sol to soak and drying; and then placing in a muffle furnace, preserving heat at a temperature of 300 DEG C for 1h, heating to 600 DEG C, preserving heat 2h and naturally cooling to the room temperature to obtain the modified serpentine loading the titanium dioxide photocatalyst. In the invention, the serpentine is used as a carrier to load the titanium dioxide photocatalyst, thereby solving the problem that the recycle of the catalyst is difficult. The prepared catalyst ...

Automatic underwater object positioning method and system

A method for positioning target under water automatically includes using wirerope on the ship to sink detection device down to water bottom at water area of target to be positioned and confirming its position through image; arranging sound wave receiversin linear array of intervals on water surface, launching sound wave to wards water surface by emitter; sending sound wave signal to computer for calculating out time difference, water depth and target water surface projection position value displayed in curve.

Unloading pipeline natural gas recovery unit

The utility model relates to an unloading pipeline natural gas recovery unit, include the blow -down pipe and install the atmospheric valve on the blow -down pipe, it retrieves ball valve and check valve to have connected gradually through the pipeline on the blow -down pipe of atmospheric valve income gas end, exit end at the check valve has the gas holder through the pipe connection, there is the choke valve through the pipe connection on the jar wall of the left side of gas holder, the export of choke valve is through pipe connection to the natural gas mouth that enters the station, the jar wall mounting has the manometer on the right side of gas holder, a pressure for in the real -time detection gas holder, furthermore, there is the blowoff valve bottom at the gas holder through piping erection. The utility model discloses a blow -down pipe natural gas recovery unit will most natural gas when emptyying the operation retrieves the gas holder, only needs during a small amount of low pressure ...

Cotton fabric antibacterial finishing agent and preparation method thereof

The invention relates to a cotton fabric antibacterial finishing agent and a preparation method thereof. The cotton fabric antibacterial finishing agent is prepared from the following raw materials in percentage by weight: 1.0-2.0% of an antibacterial agent, 1.0-2.0% of a cross-linking agent, 0.5-1.0% of a penetrating agent and the balance of water, wherein the antibacterial agent contains a biquaternary ammonium salt symmetric compound with a hydroxyl group. The antibacterial finishing agent for the cotton fabric has good antibacterial performance, and the cotton fabric can have efficient and broad-spectrum antibacterial performance and good washing resistance. When the antibacterial finishing agent is used for dipping and baking the cotton fabric, the antibacterial rate of the fabric on escherichia coli and staphylococcus aureus is 99% or above, and the antibacterial rate of the fabric washed for 30 times can still reach 90% or above. And the antibacterial finishing agent is simple in ...

Self-adaptive secondary air adjusting system of reverse pushing grate furnace and working method of self-adaptive secondary air adjusting system

The invention belongs to the technical field of automatic adjustment of the wind direction of incineration flue gas, and particularly relates to a self-adaptive secondary air adjusting system of a reverse pushing grate furnace and a working method of the self-adaptive secondary air adjusting system of the reverse pushing grate furnace. A front arch and a rear arch are arranged on the two sides of the circulation channel respectively so that the circulation channel can be divided into a lower circulation area and an upper circulation area. A lower air blowing mechanism and an upper air blowing mechanism which are controlled by a control module are arranged on the side wall of the circulating channel, so that smoke entering the lower circulating area and the upper circulating area forms vortexes to be mixed; the control module is suitable for controlling the lower air blowing mechanism and the upper air blowing mechanism to adjust the air blowing angle according to the smoke discharge amount ...

Sewage pump filtering system with self-cleaning function

The invention discloses a sewage pump filtering system with a self-cleaning function, and relates to the technical field of sewage pump cleaning and filtering. The system comprises a water inlet pipe, a sewage pump and a filter, the filter is connected with one end of the water inlet pipe through a flange, the other end of the water inlet pipe is communicated with an inlet of the sewage pump, an outlet of the sewage pump is connected with a water outlet pipe, and the water inlet pipe is communicated with the water outlet pipe through a branch pipeline; an outlet control valve and a check valve are sequentially installed on the water outlet pipe in the water flow direction, a first branch pipe is connected to the water outlet pipe outside an outlet of the check valve, and the lower end of the first branch pipe is communicated with the water inlet pipe; the middle of the first branch pipe is connected with a second branch pipe, and the other end of the second branch pipe communicates with ...

Compound aluminum alloy strip material for long-life car heat exchanger and manufacturing method of compound aluminum alloy strip material

The invention discloses a compound aluminum alloy strip material for a long-life car heat exchanger. The compound aluminum alloy strip material comprises a core material and coating materials used for coating the upper and lower surfaces of the core material, wherein the thickness of the coating material of each surface accounts for 8%-12% of the total thickness; the core material comprises the following components by weight: not more than 1.8% of Fe+Mn, 0.05%-0.15% of Si, 0.40%-0.60% of Cu, 0.15%-0.30% of Mg, not more than 0.05% of Zn, not more than 0.05% of Cr, 0.07%-0.10% of Ti, less than 0.15% of other elements with each of less than 0.03%, and the balance of Al, wherein Mg/Si is not less than 1.7; each coating material is aluminum silicon alloy, and the aluminum silicon alloy comprises the following components by weight: not more than 0.25% of Fe, 7.0%-10.5% of Si, not more than 0.05% of Ti, not more than 0.05% of P, less than 0.15% of other elements with each of less than 0.03%, and ...

Aluminum alloy composite strip resistant to high temperature and used for automobile intercooler and manufacturing method of aluminum alloy composite strip

The invention discloses an aluminum alloy composite strip resistant to the high temperature and used for an automobile intercooler and a manufacturing method of the aluminum alloy composite strip. The aluminum alloy composite strip comprises a core material as well as braze welding layers on the upper surface and the lower surface, wherein the thickness of the braze welding layer on each surface accounts for 5%-10% of the total thickness; the core material comprises components in percentage by weight as follows: 0.12%-0.30% of Fe, smaller than or equal to 0.12% of Si, 0.30%-0.60% of Cu, 1.0%-1.7% of Mn, 0.25%-0.40% of Mg, smaller than or equal to 0.05% of Zn, 0.05%-0.10% of Er, 0.02%-0.10% of Ni, 0.05%-0.15% of Ti, other elements and the balance of aluminum, and the single content of other elements is smaller than or equal to 0.03%, and the total weight of other elements is smaller than or equal to 0.15%; and each braze welding layer adopts an aluminum-silicon alloy which comprises components ...

Automatic regulating drying device

The invention relates to an automatic regulating drying device. The automatic regulating drying device comprises a drying chamber, a draught fan, a return pipe, temperature sensors and a condensation discharging device, wherein the draught fan is arranged on the upper portion of the drying chamber, the return pipe is provided with a plurality of air outlets, the draught fan is connected with the return pipe through the condensation discharging device and is connected to the drying chamber through the return pipe, the temperature sensors are correspondingly arranged below the air outlets of the return pipe and arranged on the inner wall of the drying chamber, a hot air inlet of the drying chamber and the draught fan are provided with the temperature sensors, the air outlets of the return pipe are provided with regulating valves, the condensation discharging device is composed of an inner condensation pipe and an outer condensation pipe, and a spiral cooling copper pipe is arranged between ...

Transparent zinc ion organic composite antibacterial finishing agent as well as preparation method and application thereof

The invention relates to a transparent zinc ion organic composite antibacterial finishing agent as well as a preparation method and application thereof. The preparation method of the transparent zinc ion organic composite antibacterial finishing agent is characterized by comprising the following steps: S1, preparing a zinc glycinate complexing solution, S2, preparing a zinc ion composite antibacterial agent, S3, preparing an antibacterial finishing agent, and obtaining the transparent zinc ion organic composite antibacterial finishing agent. The transparent zinc ion organic composite antibacterial finishing agent disclosed by the invention is obtained by the preparation method of the transparent zinc ion organic composite antibacterial finishing agent. The transparent zinc ion organic composite antibacterial finishing agent disclosed by the invention is applied to the antibacterial field of pure cotton knitted fabrics, and endows the pure cotton knitted fabrics with excellent antibacterial ...

Sodium hydrogen persulfate composite salt substrate modifier for aquaculture and preparation method of sodium hydrogen persulfate composite salt substrate modifier

The invention relates to a sodium hydrogen persulfate composite salt substrate modifier for aquaculture and a preparation method of the sodium hydrogen persulfate composite salt substrate modifier. The substrate modifier comprises the following components in parts by mass: 40-55 parts of sodium hydrogen persulfate composite salt, 5-10 parts of organic acid, 1-5 parts of a stabilizer, 20-50 parts of an adsorption filler, 2-5 parts of a surfactant and 2-8 parts of a flocculant. According to the invention, the sodium hydrogen persulfate composite salt is used as a main component of the water substrate modifier, has strong oxidizing property, can release active oxygen, free radicals and other derivatives after being contacted with aquatic water, and can efficiently oxidize and decompose organic matters and hydrogen sulfide, nitrite, ferrous iron and other reducing substances through chain reaction, thereby reducing the odor and enhancing the water quality. The effects of increasing the dissolved ...

Gas-liquid separator

The invention relates to a gas-liquid separator for separating liquid in gas. The gas-liquid separator comprises a separation barrel, an upper end socket and a lower end socket, wherein the upper end socket is mounted on the upper end part of the separation barrel; the lower end socket is mounted on the lower end part of the separation barrel; the separation barrel is fixedly provided with a tangential air inlet connector; the upper end socket is fixedly provided with an air outlet connector; a mounting ring is fixedly arranged on the inner wall of the top of the separation barrel; the circle center of the outer circle and the circle center of the inner circle of the mounting ring are located on the axis of the separation barrel; a filtering core barrel is fixedly arranged on the inner circle of the mounting ring; a de-foaming filtering core is fixedly arranged in the filtering core barrel; spiral plates are arranged on the outer circle of the filtering core barrel and the inner circle ...

Aluminum alloy band for jalousie and manufacturing method thereof

The present invention discloses an aluminum alloy strip steel rolled stock used for a window blind and the production method thereof. The present invention is characterized in that the strip steel rolled stock includes the components and the weight mixing proportions of the material that iron is 0.26-0.34 percent, silicon is 0.05-0.15 percent, copper is 0.005-0.04 percent, manganese is 0.005-0.04 percent, chromium is 0.21-0.28 percent, magnesium is 2.20-2.48 percent, titanium is 0.025-0.045 percent, rare earth metal is 0.10-0.20 percent, and the residual is aluminum; the production method of the aluminum alloy strip used for the window blind comprises smelting, casting, head cutting and surface milling, homogenization annealing, hot rolling, intermediate annealing, cold rolling, intermediate annealing, cold rolling, draw bending and straightening, stabilizing treatment, and vertical cutting and strip separating. Compared with the prior art, the present invention has the remarkable advantages ...

Foundation reinforcing method by using pre-added aggregate stirred pile

The invention discloses a foundation reinforcing method by using pre-added aggregate stirred piles. The foundation reinforcing method is suitable for a weak soil or soft soil foundation. First, sandy aggregate is injected into the foundation through a machine to form sand piles, then the sand piles and the surrounding foundation soil thereof are stirred through blades of the machine and curing agent is added at the same time to enable the foundation soil and the sandy aggregate to be evenly mixed and be coagulated to form pile bodies for reinforcing the foundation. The piles and inter-pile soil jointly form a composite foundation, thereby reaching the goal of reinforcing the soft and weak foundation. Since sandy aggregate is added into the foundation in advance, the mixing proportion of the added sand can be greatly improved and controlled and the strength, the quality and the proper rigidity of the finished piles are ensured. The foundation reinforcing method is a foundation handling method ...

Paper-making aluminum alloy strip and manufacturing method thereof

The invention discloses a paper-making aluminum alloy strip and a manufacturing method thereof. The strip comprises iron, silicon, copper, manganese, magnesium, titanium and aluminum components. The manufacturing method of the strip comprises: 1), filling molten aluminum subjected to melting, refining, slag removal and stirring in a static furnace; 2), using an external refining device and a Al-Ti-B wire refiner filling device to add titanium and performing pouring to produce a hot-rolled ingot blank; 3), sawing the head of the ingot blank, milling the surface of the ingot blank and putting the ingot blank in a heating furnace to heat the ingot blank, discharging the ingot blank and rolling the ingot blank into a strip; 4), putting the strip in an annealing furnace to perform interannealing; 5), cold rolling the strip; 6), stretching and leveling the strip; 7), cleaning the strip; 8) and stripping the strip; and the like. The paper-making aluminum alloy strip has the advantages that: due ...

Preparation method and application of zinc oxide antibacterial finishing agent

The invention relates to a preparation method and application of a zinc oxide antibacterial finishing agent, and the preparation method comprises the following steps: S1, preparing a zinc oxide suspension: adding zinc oxide powder and a wetting agent into part of water, stirring for 0.5-1 hour, adding a dispersion stabilizer, stirring for 0.5-1 hour, adding a pH regulator, fully stirring, adding the balance of water, and fully stirring to obtain the zinc oxide suspension; grinding and dispersing for 2 hours at a first stirring speed, grinding and dispersing for 13-14 hours at a second stirring speed, finally adding a defoaming agent, and grinding and dispersing for 0.5 hour at a third stirring speed to obtain a zinc oxide suspension; s2, preparing a zinc oxide antibacterial finishing agent: fully stirring the prepared zinc oxide suspension, an adhesive, a penetrating agent and a cross-linking agent at a third stirring speed. Zinc oxide prepared by the method can keep high dispersity in ...

Method for manufacturing aluminum alloy strip for battery shell

The invention discloses a method for manufacturing an aluminum alloy strip for a battery shell, which comprises the following steps of: 1) melting a grade 3003 alloy serving as a raw material, refining, deslagging, stirring and pouring; 2) sawing the head of an ingot blank, milling the surface of the ingot blank, and performing hot rolling on the ingot blank on a hot rolling machine to form a strip; 3) putting the hot-rolled strip into an annealing furnace and performing pre-annealing; 4) performing cold rolling on a cold rolling machine; 5) putting the cold-rolled strip into the annealing furnace and performing intermediate annealing; 6) manufacturing a strip with the thickness of 0.50 to 0.60mm on the cold rolling machine; and 7) performing stretch bending-straightening and precision cutting on the strip to obtain the aluminum alloy strip for the battery shell. The aluminum alloy strip for the battery shell has high stamping performance and low earing rate.

Waste incineration power plant denitration control device based on fuzzy control

The utility model discloses a waste incineration power plant denitration control device based on fuzzy control, relates to the related field of thermal power plant control, and aims to solve the problem that a denitration process cannot be accurately controlled in a fuzzy control based environment in the prior art. An air suction pump is arranged on one side of the upper end of the waiting box, a reaction box is arranged on one side of the air suction pump, a heating box is arranged at the upper end of the reaction box, an air inlet pipe is arranged on one side of the waiting box, the air inlet pipe is fixedly connected with the waiting box, a first detector is arranged on the air inlet pipe, and a flue plate is arranged on one side of the air inlet pipe. The flue plates are arranged to be rectangular plates, the multiple flue plates are attached to the waiting box, every two adjacent flue plates are arranged in an up-down mode, the flue plates are fixedly connected with the waiting box ...

Precoated sand mixing device

The precoated sand mixing device specifically comprises a supporting rod, the supporting rod is provided with a reinforcing base and a connecting block arranged at the top of the supporting rod, the outer portion of the connecting block is fixedly connected with a fixed outer ring, the inner portion of the fixed outer ring is fixedly connected with a feeding cylinder, a sliding way groove is formed in the feeding cylinder, and the sliding way groove is internally provided with a sliding groove; a stretching plate is fixedly connected to the interior of the slide way groove, and a sand discharging mechanism is fixedly connected to the lower portion of the stretching plate; the sand mixing mechanism is provided with a smooth inner wall, the sand mixing mechanism comprises an angle plate, a motor box is fixedly connected to the lower portion of the angle plate, a rotating long plate is fixedly connected to the lower portion of the motor box, a sand mixing assembly is fixedly connected to the ...

Composite brazing aluminum sheet/foil core material alloy for intercooler and preparation method of core material alloy

The invention discloses a composite brazing aluminum sheet/foil core material alloy for an intercooler and a preparation method of the core material alloy. The core material alloy consists of the following components in percentage by weight: 0.12-0.46% of iron, 0.01-0.25% of silicon, 0.45-1.4% of manganese, 0.04-0.5% of copper, 0.1-0.21% of magnesium, 0.05-0.2% of zirconium, 0.01-0.4% of ytterbium and the balance of aluminum. The preparation method of the core material alloy mainly comprises the steps of 1. smelting, stirring, purifying and keeping all alloys except for aluminum-ytterbium alloy; 2. adding aluminum-ytterbium alloy, stirring, standing by, and casting molten aluminum into a core material aluminum alloy sheet; and 3. homogenizing the core material aluminum alloy sheet, preserving heat, discharging the core material aluminum alloy sheet out of furnace, air-cooling, and implementing surface treatment. The core material alloy disclosed by the invention has the advantages of being ...

Filter element structure of centrifugal gas-liquid separator

The invention relates to a filter element structure of a centrifugal gas-liquid separator. A mounting ring is fixed on the inner wall of a separation cylinder. The outer circle center and the inner circle center of the mounting ring are both on axis of the separation cylinder. A filter element cylinder is fixed on the inner circle of the mounting ring, and a despumation filter element is fixed in the filter element cylinder. Spiral plates are arranged on the outer circle of the filter element cylinder and the inner circle of the separation cylinder. The filter element structure of a centrifugal gas-liquid separator provided by the invention has the advantages of simple structure, good separation efficiency and convenient use, etc.

Method and device for detecting microsatellite state of plasma sample

The invention discloses a method and device for detecting the microsatellite state of a plasma sample. The method comprises the following steps: acquiring a second-generation sequencing data comparison file of a plasma sample of a to-be-detected object; counting the number of repetitions of the MSI sites of the sample to be detected; the MSI sites are sites in the MSI feature site set; calculating an observation characteristic value obv of the site, taking the possibility that the total template is greater than or equal to the observation characteristic value obv as the possibility Pmss that the site characteristic comes from an MSS sample when the total template is extracted, and dividing the number of the sites with the Pmss less than 0.025 by the total number of the MSI characteristic sites, namely MSIscore; and if the MSIscore is greater than the threshold value Tsample, determining that the MSI is the MSI, otherwise, determining that the MSS is the MSS. According to the method, the ...

Air force system at female station of CNG

The utility model relates to an air force system at female station of CNG, including air compressor, air compressor passes through pipeline and gas tank connection, and the gas holder passes through the pipeline to be connected with C level air cleaner behind the 1.3MPa relief valve, and C level air cleaner passes through the pipeline and is connected with the steam and water separation ware after silicon controlled rectifier digital display control gauge outfit, and the steam and water separation ware passes through the pipeline to be connected with the cold machine of doing, and cold doing after the machine connects gradually T level air cleaner, stabiliser and oil mist ware through the pipeline is seen compressed air off. The utility model discloses having reduced the pressure switch number of starts, having made compressed air keep the convenient pressure, reduced the cold machine load of doing, improved the output air quality, it is above to make compressor admission valve life double ...

Photovoltaic module cleaning control system

The utility model discloses a photovoltaic module cleaning control system, including clean system and control system, clean system includes photovoltaic module, support, breather pipe and admission line, and photovoltaic module installs on the support, and the breather pipe is located photovoltaic module's upper end and parallel with photovoltaic module, and the air intake and the admission line of breather pipe communicate, and the lower extreme of breather pipe evenly is equipped with a plurality of fumarole, adjacent two is interval between the fumarole 10 is the aperture of 20mm and fumarole 2 4mm. The utility model provides the generating efficiency is guaranteed to the high cleanliness on photovoltaic module surface, effectively prevents photovoltaic module surface scratch, increase of service life.

Control device of wind power generation system

The invention discloses a control device of a wind power generation system. The control device comprises a voltage detection circuit (21), a current detection circuit (22), an A/D (analog/digital) conversion circuit (30), a single chip microcomputer (40), a display device (41), a keyboard (42), a D/A (digital/analog) conversion circuit (50), a PWM (pulse width modulation) output circuit (60), a driving circuit (70) and a main charging circuit (80). The display device and the keyboard are integrated on a control panel. The technical scheme includes that an AT89C51 microprocessor is used as a control core of the single chip microcomputer, currents and voltages are sampled by an A/D sampling circuit, and MOS (metal oxide semiconductor) tubes in the main charging circuit are driven by the driving circuit to be switched on and off, so that charging currents can be regulated, and an unloading circuit can be switched on in real time to prevent over-charge of storage batteries. According to the ...

Manufacturing method of high-elongation aluminum alloy strip for battery shell

The invention discloses a manufacturing method of a high-elongation aluminum alloy strip for a battery shell. The manufacturing method comprises the following steps of smelting, continuous cast rolling, homogenizing annealing, cold rolling, recoiling edge trimming, finished product annealing and precision shearing. During smelting, the alloy is controlled to comprise the following components in percentage by weight: 0.40-0.50 percent of Fe, 0.05-0.15 percent of Si, 0.06-0.12 percent of Cu, 1.00-1.20 percent of Mn, smaller than or equal to 0.03 percent of Mg, 0.04-0.05 percent of Zr, 0.015-0.035 percent of Ti, smaller than or equal to 0.03 percent of each of other elements, smaller than or equal to 0.15 percent of total amount of other elements and the balance of aluminum. The homogenizing annealing step comprises the following steps of purging for 5-6h at the temperature of 260-270 DEG C, then rising the furnace gas temperature to 595-605 DEG C, keeping the temperature of a furnace body ...

Non-stationary and non-Gaussian ground motion time history simulation method

The invention discloses a non-stationary and non-Gaussian ground motion time history simulation method. According to the method, an iterative procedure is adopted to solve a potential non-stationary Gauss power spectrum function rather than the simple assumption of the function as a target non-stationary power spectral function, thus the non-stationary power spectral of a simulated non-stationary and non-Gaussian ground motion time history is consistent with a target non-stationary power spectrum, and the accuracy of simulation is ensured. After the potential non-stationary Gauss power spectrum function is obtained through the iterative solution, a spectral representation method can be used to simulate a non-stationary Gauss ground motion process, and then through the non-linear conversion between a target probability distribution function and Gauss distribution, the process is converted into a non-stationary and non-Gaussian ground motion process. According to the method, through a simple ...

Rotating drum mechanism of rotating cylinder vacuum slicing machine

The invention relates to a rotating drum mechanism of a rotating cylinder vacuum slicing machine. The rotating drum mechanism is characterized in that a main shaft is internally provided with a water inlet channel and is fixedly provided with a left end cover and a right end cover, and an outer barrel and an inner barrel are fixed on the left end cover and the right end cover, the outer barrel, the inner barrel and the main shaft are coaxially arranged, and a cooling cavity is formed between the excircle of the inner barrel and the inner circle of the outer barrel; a plug is arranged in the water inlet channel arranged between the left end cover and the right end cover, the main shaft of the left side of the plug is fixedly provided with a liquid inlet pipe, and the main shaft of the right side of the plug is fixedly provided with a liquid outlet pipe; the cooling cavity is communicated with the water inlet channel arranged on the left side of the plug by virtue of the liquid inlet pipe ...

Solar collector module

The utility model provides a solar collector module, includes heat transfer board and collector, be provided with the interface on the heat transfer board, the collector pass through the interface with the heat transfer board feeds through mutually, the heat transfer board comprises a plurality of heat transfer strips also be provided with the heat -sink shell on the heat transfer board. The utility model discloses the heat transfer board adopts ceramic heat transfer board, has that the cost is low, high efficiency, non -corrosion, not scale deposit, an advantage such as longe -lived, and whole ceramic solar collector module and building integrated design directly inlay at building nan qiang, roof or balcony, can the assemble between the module pegs graft and seals up. Closing and constructing the integration and assemble, install when being convenient for the construction, ceramic solar collector module is the building element of an ideal.

Electronic type electric energy meter

The invention discloses an electronic type electric energy meter. The electronic type electric energy meter comprises a front end circuit conditioning module, an electric energy metering chip (20), an LED (light emitting diode) indicating module (30), a micro-control unit (40), a display module (50), a communication module (60), a key control module (70), a clock module (80), a memory (90) and a power supply module, wherein the front end circuit conditioning module is connected with the electric energy metering chip (20); the LED indicating module (30) is connected with the electric energy metering chip (20); the micro-control unit (40) is connected with the electric energy metering chip (20); the display module (50), the communication module (60), the key control module (70), the clock module (80) and the memory (90) are connected with the micro-control unit (40). Through the electric energy meter provided by the invention, purposes of electric parameter measurement, displaying and acquiring ...

Method for recovering acetone and acetylacetone in sulfamethazine condensation reaction

The invention discloses a method for recovering acetone and acetylacetone in a sulfamethazine condensation reaction, which comprises the following steps: after the condensation reaction, firstly, carrying out pressure regulation and pressure relief distillation to obtain a mixed solution of acetylacetone and acetone containing a large amount of water, then carrying out conventional distillation to obtain a mixed solution of acetylacetone and acetone with a low boiling point, and finally, recovering acetone and acetylacetone from sulfamethazine. The method comprises the following steps: separating most of water from sulfadimidine, fractionating at a lower temperature to obtain high-purity acetone, and finally carrying out azeotropic distillation and rectification to obtain high-purity acetylacetone, so that the residual organic solvent in the condensation reaction of sulfadimidine is recovered, the acetone and acetylacetone are prevented from entering the sulfadimidine condensation mother ...

Antistatic arm-brace device of reaction kettle

The invention relates to an antistatic arm-brace device of a reaction kettle. The antistatic arm-brace device is characterized in that a top mounting plate is fixed on the bottom end of a top arm-brace, and a bottom mounting plate is fixed on the top end of a bottom arm-brace; an insulating plate is arranged between the top mounting plate and the bottom mounting plate; a bolt hole is respectively formed in the top mounting plate, the insulating plate and the bottom mounting plate, a fastening bolt is arranged in the bolt holes, and a fastening nut is connected with the fastening bolts in a threaded manner; a top insulating mat is arranged on the top surface of the top mounting plate, and a bottom insulating mat is arranged on the bottom surface of the bottom mounting plate; the fastening nut is pressed on the top insulating mat, and the top insulating mat is seated on the bottom insulating mat; an insulating tube is connected on the screw of the fastening bolt in a nested manner, the top ...

Controlling means is experienced in seeing and hearing propelling movement

The utility model discloses a controlling means is experienced in seeing and hearing propelling movement, including the controlling means body, be equipped with device shell on the controlling means body, the antenna, the touch -control display screen, functional areas, the bonding region is pressed to the numeral, the megaphone, data transmission interface, the headset jack, built -in circuit board, shock dynamo, infrared emitter, be equipped with controlling means is experienced in seeing and hearing propelling movement's control circuit system and component controlling means's module on built -in circuit board, the present invention has reasonable design, and small in size, seeing and hearing controlling means's volume has been reduced greatly, and convenient carrying, control simply, the intelligent management degree is high, can set up the save with the control parameter of audio -visual apparatus, the controlling means body can be according to preset's parameter automatic control, ...

Adjustable hearth flue of household garbage reverse pushing fire grate and hearth flue resistance adjusting method

The invention belongs to the technical field of solid waste garbage treatment, and particularly relates to an adjustable hearth flue of a household garbage reverse pushing fire grate and a hearth flue resistance adjusting method. The adjustable hearth flue of the household garbage reverse pushing fire grate comprises an air inlet bin and an air outlet bin which are oppositely arranged on a sliding rail, and the air inlet bin and the air outlet bin are communicated through an expansion joint; the two sides of the sliding rail are connected with extension rails. The pair of ventilation pipes are respectively arranged on the upper side and the lower side of the sliding rail and are respectively aligned with one end of the sliding rail; the vector air pipes are arranged on the bottom face of the air inlet bin and the top face of the air outlet bin respectively and are in flexible connection with the corresponding ventilation pipes. The air inlet bin and the air outlet bin are controlled by ...

Automatic type environmental protection covering agent sprinkler

The utility model belongs to the sprinkler field especially relates to an automatic type environmental protection covering agent sprinkler, its characterized in that: the lower part of covering agent storage tank is passed through the conveying pipeline with the upper portion of shower nozzle links to each other, the jet orifice has been seted up to the bottom of shower nozzle, first cylinder install in the outside of first compression frame, the one end of first push pedal with the tailpiece of the piston rod of first cylinder links to each other, the opposite side of the first compression gasbag respectively with first intake pipe, first outlet duct link to each other, first outlet duct with one side of shower nozzle links to each other, second compression gasbag install in the inside of second compression frame, the second cylinder install in the outside of second compression frame, the one end of second push pedal with the tailpiece of the piston rod of second cylinder links to each ...

Anti-tilting pile foundation anti-freezing and anti-pulling device

The invention discloses an anti-inclination pile foundation anti-freezing and anti-pulling device which comprises a pile foundation anti-freezing and anti-pulling device body, a pile body is arranged on the pile foundation anti-freezing and anti-pulling device body, a pressure sensor and a temperature sensor are arranged on the side wall of the pile body in a matched mode, a pile body foundation column is arranged at the bottom end of the pile body in a matched mode, and a pile groove is formed in the pile body foundation column. The electromagnets are arranged in the pile grooves, the electronic control system is arranged in the pile body, the electronic system can generate early warning, then the electronic control system can electrify the heat blanket on the side with the large pressure, the heat blanket releases heat to reduce the temperature of the soil body, and therefore the frost heaving effect of the soil body is weakened, the pile side pressure is reduced, and the function of ...

Method for manufacturing composite aluminum foil for car heat exchanger

The invention discloses a metal material processing technology, in particular to a manufacturing method used for manufacturing an aluminum-alloy compound foil. The method includes the following steps: the aluminum liquid is cast into an ingot through melting, smelting, sediment-removing and stirring; the ingot is heated and rolled into an aluminum-ally plate; the aluminum-alloy plates of an upper and a lower claddings are washed and then are covered onto an upper surface and a lower surface of a cast plate of a core layer, then the alloy plates are welded into a whole; the welded alloy plates are heated and hot rolled into a blank, and the hot rolled blank is rolled into a foil material through a cold rolling mill; in the end the foil material is put into an annealing furnace for a medium annealing; after taken from the annealing furnace, the foil material is rolled, drawn and cut fine so as to make into the compound foil used for an automobile heat exchanger. The invention has the advantages ...

Accurate positioning device for garbage crane of household garbage incineration power plant

The utility model discloses an accurate positioning device for a garbage hoisting trolley of a household garbage incineration power plant, relates to the field of accurate positioning of hoisting trolleys, and aims to solve the problems that the conventional hoisting trolley is emergently braked when arriving at a designated position, so that hoisted garbage shakes easily, and the stability of the hoisting trolley during garbage hoisting is reduced. Two buffers are fixedly mounted on the outer surface of one side of the fixed mounting base, a buffer baffle is fixedly connected to one end of each buffer, a telescopic mounting base is fixedly mounted in the middle of the outer surface of one side of each buffer baffle, and a first conducting rod is mounted at an opening in one end of each telescopic mounting base. One end of the first conducting rod is arranged in the telescopic mounting seat, a buffer spring is arranged in the telescopic mounting seat, and one end of the buffer spring abuts ...

Suspended anti-flood wall

The invention discloses a suspended anti-flood wall which comprises a flood bank, and the crest level of the flood blank is the same as that of an urban waterfront ground. A steel flash board is connected to the top face of the flood bank, a rotary shaft which is arranged on the waterside of the blood bank is arranged at the lower end of the steel flash board, the rotary shaft of the steel flash board is installed in a rotary shaft supporting base, and the rotary shaft supporting base is fixedly arranged on the top face of the flood bank; a flash board limiting baffle plate is arranged on the rotary shaft supporting base; an inhaul cable is connected to the steel flash board; a locking shaft is arranged on the backwater side of the steel flash board, and a locking device matched with the locking shaft is arranged on the top face of the flood bank. Under the condition that the anti-flood safety is ensured, the suspended anti-flood wall has no influence on visual continuity of people, thereby ...

Solar cell panel fixes a position cleaning device

The utility model discloses a solar cell panel fixes a position cleaning device, comprises a solar cell pane, the solar apparatus further comprises a supporting mechanism, clean mechanism and controlmechanism, the supporting mechanism includes the base, the support post, support horizontal pole and supporting slanting pole, it forms the contained angle with supporting slanting pole to support thehorizontal pole, clean mechanism includes the guide rail, the telescopic link, water storage component, first motor and second motor, telescopic link and guide rail sliding connection, the telescopiclink can be followed guide rail length direction and laminated and control the removal in the solar cell panel surface, first motor passes through the gear and drives the belt slip, concertina movement is through the gear drive telescopic link to the second motor, the terminal surface that water storage component is relative with solar cell panel is equipped with the rag, water storage componentleads ...

Corrugated board production sizing process

The invention discloses a corrugated board production sizing process, and relates to the technical field of corrugated paper production.The corrugated board production sizing process comprises a sizing roller, the sizing roller comprises a glue pipe, a steam pipe, a segmentation pipe and a coating pipe which are sequentially arranged in a sleeved mode from inside to outside, a glue channel is formed in the glue pipe, and a steam channel is formed between the glue pipe and the steam pipe; the segmented pipe is divided into a steam cavity and a glue cavity through an annular partition plate. The glue pipe is arranged to guide glue from the inside, and the glue coated on the corrugated paper by the gluing roller is in a spaced section shape through the cooperation of the sectioning pipe and the coating pipe, so that the glue consumption is reduced; the steam pipe is arranged to guide steam, glue in the glue pipe can be heated and prevented from being condensed, after the steam is sprayed to ...

Manufacturing method of aluminium alloy compound plate and strip for power station air cooling island and product thereof

The invention discloses a manufacturing method of aluminium alloy compound plate and strip for power station air cooling island and a product thereof. The method comprises the following steps: 1) adopting a 4343 alloy mark to cast an alloy ingot serving as the upper and lower cladding material of a compound plate and strip; 2) putting the cladding material casting ingot into a heating furnace to be heated for hot rolling; 3) putting a core material casting ingot into the heating furnace for homogenization; 4) cleaning the cladding material aluminium alloy plate, and covering on the upper surface and the lower surface of the core material ingot plate for seaming; 5) carrying out hot rolling to the seamed alloy plate; 6) carrying out cold rolling to the plate on a cold rolling mill, and cleaning the surface of the plate; 7) carrying out finished product annealing to the plate to obtain the aluminium alloy compound plate and strip of the invention. The invention has the following product performances ...

Ball valve blowdown mouth foul solution collection device

The utility model relates to a ball valve blowdown mouth foul solution collection device, including the ball valve valve body, be ball valve blowdown mouth in the bottom of ball valve valve body, relative with ball valve blowdown mouth and put and install loudspeaker form rubber and collect the basin, bottom intercommunication collecting the basin has flexible rubber hose, it has the foul solution collecting vessel to settle in the below one side of collecting the basin, the bung is installed to the opening part on the upper portion of foul solution collecting vessel, at edge's opening of bung and install the breather pipe, one end is connected in the flexible rubber hose's who collects the pelvic floor the other end penetrates the foul solution collecting vessel by the bung center and is extended to foul solution collecting vessel bottom. The utility model discloses the product is settled on the blowdown mouth, open the blowdown mouth after, the foul solution emits into the container bottom ...

Production process for removing impurities from sulfamethazine

The invention discloses a production process for removing impurities from sulfamethazine. The method comprises the following steps: firstly, dropwise adding liquid caustic soda to completely dissolve a sulfadimidine crude product, then separating out most impurities in the sulfadimidine crude product through activated carbon and sulfurous acid salt, and then carrying out heating and pressurizing, decolorizing and filtering, activated carbon filtering and neutralization reaction to obtain the high-purity sulfadimidine. Most impurities of sulfadimidine are removed, the product quality is improved, the sulfadimidine meets the regulations of the current European pharmacopoeia, the higher standard requirements of European customers are met, the competitiveness of the product is improved, and export is facilitated.

Cooling and screening equipment for precoated sand processing

The invention discloses a cooling and screening device for precoated sand processing, which specifically comprises a supporting column, the supporting column is provided with a reinforcing base and a receiving box arranged above the supporting column, and a feeding box is fixedly connected to the upper part of the receiving box; the reinforcing column is provided with a stable bottom plate and a screening barrel arranged above the reinforcing column, and the exterior of the screening barrel is fixedly connected with a supporting rod; the bearing mechanism is used for bearing the fed materials and conveying the fed materials downwards, the bearing mechanism comprises a sliding groove, a lifting plate is slidably connected to the interior of the sliding groove, a traction column is fixedly connected to the lower portion of the lifting plate, and the sliding groove is formed in the bearing box; and the feeding mechanism is used for guiding feeding and rapidly cooling, the feeding mechanism ...

Weft yarn flying speed measuring device

The invention discloses a weft yarn flying speed measuring device. The weft yarn flying speed measuring device comprises a connecting plate (10) horizontally mounted on a main nozzle (80) and a photosensitive sensor (20) mounted on the bottom surface of the connecting plate (10), wherein the photosensitive sensor (20) is connected to a light sensing signal processing apparatus. The weft yarn (90) is equidistantly marked with black. Therefore, the photosensitive sensor senses and records the number of intervals passing in a certain time interval, the light sensing signal processing apparatus processes signals received by the photosensitive sensor, and accordingly the weft yarn flying speed can be calculated.

Photovoltaic module's clean system

The utility model discloses a photovoltaic module's clean system, including the guide rail at the both sides edge of locating photovoltaic module, locate the cleaning device on the guide rail and be used for driving cleaning device was reciprocating motion on the guide rail drive arrangement, cleaning device includes a cleaning device and the 2nd cleaning device, and a cleaning device includes brush deashing district and baking zone, and the 2nd cleaning device is the shower nozzle, and just a cleaning device and the 2nd cleaning device lie in photovoltaic module's both ends respectively, brush deashing district is including pappus brush deashing district and scrubbing brush deashing district, including controller, temperature sensor, humidity transducer and dust sensor. The utility modeldiscloses a brush cleaning and water wash the mode that combines together, but the dirt and the dust on rinse thoroughly photovoltaic module surface to can effectively get rid of and remain the waterdroplet ...

Hand -held type is three -dimensional sonar probe fixing device under water

The utility model provides a hand -held type is three -dimensional sonar probe fixing device under water, includes: steel pipe, bottom sprag fork and slidable sonar probe fixed cantilever platform can be dismantled to hypomere steel pipe, upper segment, wherein: the hypomere steel pipe is fixed and is stuck at bottom sprag, the upper segment can dismantle continuous the connecing of steel pipe accessible and be connected with the hypomere steel pipe, slidable sonar probe fixed cantilever platform installation on the steel pipe. The utility model belongs to the field of sonar measurement under water relates to the hand -held type fixing device of three -dimensional sonar probe under water, and its beneficial effect lies in: make under water three -dimensional sonar probe fixed more convenient and fast under water, it is more nimble to shift, and the cost is lower, and ability assurance system does not steadily slope when the underwater measurement environment of being applied to the bed ...

Photovoltaic power plant self -cleaning control system

The utility model discloses a photovoltaic power plant self -cleaning control system, including photovoltaic cell board, controlling means, belt cleaning device, environment monitoring device, generated energy statistics device, data acquisition device, statistics device and data analysing means, the photovoltaic cell board with generated energy statistics device electricity is connected, generated energy statistics device with the data analysing means electricity is connected, environment monitoring device with the data acquisition device is connected, the data acquisition device with statistics device electricity is connected, the statistics device with the data analysing means electricity is connected, belt cleaning device with data analysing means all with the controlling means electricity is connected. The utility model provides a photovoltaic power plant self -cleaning control system, degree of automation is high, does benefit to the generating efficiency that improves photovoltaic ...

Rotary barrel type vacuum slicer

The invention relates to a rotary barrel type vacuum slicer. According to the rotary barrel type vacuum slicer, a heating groove is fixedly arranged in an enclosure, wherein the enclosure is fixedly provided with a feeding opening and a discharging opening; a heating tube is fixedly arranged in the enclosure below the heating groove; a main shaft is rotatably erected above the heating groove; a main shaft is fixedly provided with an inner barrel and an outer barrel; a cooling cavity is formed between the outer circle of the inner barrel and the inner circle of the outer barrel; the main shaft is internally provided with a water inlet channel and the water inlet channel is internally provided with a choke plug; a liquid inlet pipe is fixedly arranged on the main shaft at the left side of the choke plug; a liquid outlet pipe is fixedly arranged on the main shaft at the right side of the choke plug; the cooling cavity is communicated with the water inlet channel at the left side of the choke ...

Location method for massive cement in nondestructive testing

The invention discloses a location method for massive cement in nondestructive testing, which comprises the following steps: 1. establishing an observation system; 2. determining an excitation measuring mode; 3. picking the first arrival time of direct waves; 4. analyzing and determining the propagation velocity of ultrasonic waves in concrete; 5. calculating an excitation-point three-point unit; 6. optimizing the excitaion-point three-point unit; and 7. locating and calculating coordinate values of a receiving point. In the location method, as manual work is not needed for a large number of lineation, measurement and location, the labor and the time are saved, and the working amount of location and measurement can be saved by more than 80%; and the location method solves the technical problem that the conventional method is difficult to measure in special environment such as high attitude and the like. As the location method is used for locating the massive concrete in the nondestructive ...

Electromagnetic heating circuit

The invention relates to an electromagnetic heating circuit, relating to an electromagnetic heating circuit which comprises an anti-interference circuit, a rectifier circuit, an excitation coil, a resonant capacitor and a single chip, wherein a push-pull power circuit is connected between the rectifier circuit and excitation coil, a comparison circuit is connected between the resonant capacitor and the single chip, a power drive circuit is connected between the single chip and the push-pull power circuit; the push-pull power circuit comprises an IGBT I and an IGBT II, the power drive circuit comprises a push circuit I and a push circuit II which are correspondingly connected with the IGBT I and the IGBT II; the comparison circuit comprises a comparator I and a comparator II the output ends of which are respectively connected with the single chip and output interrupt signals to the single chip; and the single chip response interrupts according to received interrupt signals, and turns to ...

Clean prediction system of photovoltaic module

The utility model discloses a clean prediction system of photovoltaic module, include that theoretical generated energy acquires the module and sends out an electric quantity detection module, theoretical generated energy acquires the module and includes meteorological parameter collection module, mould / number conversion module, the theoretical power consumption calculating module of sending out, meteorological parameter collection module passes through mould / number conversion module with a theoretical power consumption calculating module and links to each other, and meteorological parameter collection module includes light intensity sensor, temperature sensor, air velocity transducer and humidity transducer. The utility model discloses in time clean the photovoltaic module surface, guaranteed photovoltaic module's the biggest power rate to practice thrift the manpower and material resources resource.

Novel plasma air purification device

The utility model belongs to the air purification device field especially relates to a novel plasma air purification device, its characterized in that: first metal filter screen, second metal filter screen, electro -dissociator, collecting plate, active carbon filter screen are installed in the inside of casing in proper order, first brush is installed in the outside of first metal filter screen, second metal filter screen, first telescopic link links to each other with first brush, the second brush is installed in the outside of active carbon filter screen, the second telescopic link links to each other with the second brush, the third brush install in one side of electro -dissociator, the shaft of third brush with the third brush links to each other, the fourth brush install in one side of collecting plate, the shaft of fourth brush with the fourth brush links to each other, the ultrasonic wave humidification device be located between active carbon filter screen, the air outlet, crystal ...

Control system of PLC controllable dual-power switch

The invention discloses a control system of a PLC controllable dual-power switch. The control system comprises a power network source, a photovoltaic conversion power source, a PLC phase loss detection module, an overvoltage and undervoltage detection module and a load. The output end of the power network source and the output end of the photovoltaic conversion power source are connected with the input end of the PLC phase loss detection module, and the output end of the PLC phase loss detection module is electrically connected with the overvoltage and undervoltage detection module and the load. Phase loss and overvoltage and undervoltage detection can be carried out on the power sources, the faulted power source can be switched away in time, the reverse switching function is achieved, when the main power source restores to be normal, the power supply state of the main power source can be switched in time, safety and reliability are achieved, and use is convenient.

Cutting die for preparing triaxial sample with inclined section

The cutting mold comprises a cutting mold body, a base mechanism is arranged on the cutting mold body, sliding rails are symmetrically arranged on the edges of the two sides of the upper portion of a bottom plate at the bottom of the base mechanism, and sliding blocks are arranged on the sliding rails in a matched mode; a lower side right shear box and a lower side left shear box are arranged on a lower shear box above the base mechanism in a matched mode, positioning pins are arranged in screw holes in the lower side right shear box and the lower side left shear box, an upper shear box is arranged above the lower shear box in a matched mode, and an upper side right shear box and an upper side left shear box are arranged on the upper shear box. The cutting mold can cut a cylindrical soil sample into two oblique-section triaxial samples, the sample preparation cost is low, the soil sample is not disturbed in the cutting process, the integrity of the samples in the sample cutting process ...

Hydroxy chemical bond orientation infrared spectrum goniometer and measurement method thereof

The invention relates to a hydroxy chemical bond orientation infrared spectrum goniometer and a measurement method thereof. The hydroxy chemical bond orientation infrared spectrum goniometer comprisesa basal body, wherein the upper end of the basal body is provided with a dial, the back end of the basal body is provided with a transparent slit, both ends of the transparent slit are provided withadjustment plates, fine adjustment bolts are arranged on the adjustment plates, the front end of the basal body is provided with a sample carrier, an observation window is arranged on the sample carrier, a pointer is arranged on the dial, the lower end of the basal body is provided with an adjusting knob, rotating shafts are arranged above and below the sample carrier, and the sample carrier is connected with the pointer and the adjusting knob by the rotating shafts. The method utilizing the instrument to carry out measurement comprises the following steps: selecting a sample carrying thin piece ...

Coating aluminum foil for cooling fin of air conditioner and preparation method of coating aluminum foil

The invention discloses a coating aluminum foil for an air conditioner cooling fin and a preparation method of the coating aluminum foil. The coating aluminum foil comprises an aluminum foil body, a first coating, a second coating and a third coating, wherein the first coating, the second coating and the third coating are sequentially attached to the surface of the aluminum foil body; the first coating comprises epoxy resin, acrylic resin, a wetting agent, a curing agent and a solvent; the second coating comprises acrylic resin, amino resin, a film-forming agent and nano silicon dioxide; the third coating comprises acrylic resin, amino resin, crystalline flake graphite and talcum powder. On one hand, the bonding strength between the anti-corrosion coating and the aluminum foil body is effectively improved, on the other hand, by means of the unique formula of the three coatings and the design of the coating thickness, three-level anti-corrosion modification is achieved, the anti-corrosion ...

Furred ceiling combined type new trend equipment

The utility model belongs to the new trend social security field especially relates to a furred ceiling combined type new trend equipment, its characterized in that: heat transfer device's inside is provided with the baffle with its minute separate air inlet housing, discharge chamber, superconducting heat pipe's one end is located in the air inlet housing and its other end be located in the discharge chamber, the discharge chamber intake pipe terminal with the discharge chamber fan links to each other, the one end of air inlet housing with the air inlet housing outlet duct link to each other and its other end with the air inlet housing intake pipe links to each other, install the electrostatic precipitator device in the air inlet housing intake pipe in proper order, cross the filter pulp, the air inlet housing admits air the fan, the air inlet housing is first give vent to anger the branch pipe with the first fan of giving vent to anger of air inlet housing links to each other, the air ...

Photovoltaic module cylinder cleaning device

The utility model discloses a photovoltaic module cylinder cleaning device, including photovoltaic module, sliding block, support and PLC controller, photovoltaic module is located the support, and the photovoltaic module upper surface is equipped with one deck toughened glass, and toughened glass's left side is equipped with sliding block and sliding block and extends to toughened glass's rear end along toughened glass's front end, and the sliding block passes through actuating mechanism and removes about on toughened glass, and the lower extreme of sliding block is connected with the doctor-bar that is used for clean toughened glass surface. The utility model discloses not only reach clear purpose, practice thrift the manpower, make photovoltaic module keep having prolonged the life ofself greatly in certain temperature range moreover, reduce cost of maintenance.

Silencing sheet mounting structure for inlet silencer

The invention relates to a silencing sheet mounting structure for an inlet silencer. An upper ring seal plate is fixed at the upper end of a silencer cylinder's inner wall, and a lower ring seal plate is fixed at the lower end of the silencer cylinder's inner wall. The silencer cylinder is internally provided with an inner cylinder, an upper circle plate is fixed at the upper end of the inner cylinder's inner wall, and a lower circle plate is fixed at the lower end of the inner cylinder's inner wall. The inner cylinder is internally provided with a support rib plate, both ends of which are fixed on the inner cylinder's inner wall between the upper circle plate and the lower circle plate through support rings. Hollow pore plates are fixed on the support rib plate, and silencing silkscreens are disposed in the hollow pore plates. Silencing sheet support rods are fixed in the inner circles of the upper circle plate and the lower circle plate. A side plate is fixed on each silencing sheet support ...

Assembling type ceramic plate solar collector integrated with balcony and solar water heating system

The invention discloses an assembling type ceramic plate solar collector integrated with a balcony. The solar collector a ceramic solar collector plate and balcony concrete form board. The invention further relates to a water heating system using the solar collector. The assembling type ceramic plate solar collector has the advantages that modular design is used, the solar collector can become a building component, modules are convenient and simple to connect, and the solar collector is suitable for being integrated with the balcony and convenient to mount during building construction.

Paper-making aluminum alloy strip and manufacturing method thereof

The invention discloses a paper-making aluminum alloy strip and a manufacturing method thereof. The strip comprises iron, silicon, copper, manganese, magnesium, titanium and aluminum components. The manufacturing method of the strip comprises: 1), filling molten aluminum subjected to melting, refining, slag removal and stirring in a static furnace; 2), using an external refining device and a refiner filling device to add titanium and performing pouring to produce a hot-rolled ingot blank; 3), sawing the head of the ingot blank, milling the surface of the ingot blank and putting the ingot blank in a heating furnace to heat the ingot blank, discharging the ingot blank and rolling the ingot blank into a strip; 4), putting the strip in an annealing furnace to perform interannealing; 5), cold rolling the strip; 6), stretching and leveling the strip; 7), cleaning the strip; 8) and stripping the strip; and the like. The paper-making aluminum alloy strip has the advantages that: due to the adjustment ...

Hoist formula is three -dimensional sonar probe fixing device under water

The utility model provides a hoist formula is three -dimensional sonar probe fixing device under water, includes: hoisting equipment, parallel bars formula support, sonar probe fixed platform, fin, fish lead, parallel bars formula support adopts steel pipe, steel sheet and channel -section steel welding to form, and sonar probe fixed platform, fin and fish lead pass through bolt and parallel bars formula leg joint, and fixing device passes through hoisting equipment control underwater penetration. Make under water that three -dimensional sonar system can use in more complicated measuring condition under water, can guarantee when running into the great abominable underwater measurement environment of bed surface unevenness, velocity of water flow or the depth of water that the sonar head is fixed does not steadily slope and shifts conveniently to improve work efficiency, security and the data collection's of sonar system reliability.

Garden fixed-point sprinkling irrigation device

The invention relates to the field of garden irrigation, in particular to a garden fixed-point sprinkling irrigation device. The garden fixed-point sprinkling irrigation device comprises a support, a water tank, a piston cylinder, a first lifting assembly, a second lifting assembly and a differential assembly. The water tank is slidably connected to the support in the vertical direction, and a plurality of water spraying holes distributed in the vertical direction are formed in the side wall of the water tank. The piston cylinder is communicated with the water tank, and a piston is slidably connected into the piston cylinder. The first lifting assembly is used for driving the water tank to reciprocate, the second lifting assembly is used for driving the piston to reciprocate, and the lifting direction of the piston is the same as that of the water tank. The differential assembly is connected between the first lifting assembly and the second lifting assembly, so that the piston and the water ...