净水机

METALLIC IRON PRODUCTION METHOD

A metallic iron production method, adding a block containing an iron oxide compound (200) and a carbon-containing reducing material (300) into a reduction furnace (100), using a reduction furnace external heating mode, causing the iron oxide compound to achieve reduction and melting in air-free conditions, cooling the molten metallic iron, and recovering the cooled metallic iron.

A spray gun for molten iron desulphurization

... 本实用新型涉及一种用于铁水脱硫的喷枪，其包括耐火层、前端被耐火层包覆并与耐火层相接触的第二外管、前端插入所述的第二外管内的第一外管、前端贯通所述的耐火层的内管，所述的内管被套设于所述的第一外管内，所述的内管内形成脱硫剂通道，所述的第一外管外还设置套设有第三外管，所述的第二外管的后端被套设于所述的第二外管的前端，所述的内管与所述的第一外管之间形成进气通道，所述的第一外管与所述的第二外管之间形成第一出气通道，所述的第一外管与所述的第三外管之间形成第二出气通道，所述的第一出气通道与所述的第二出气通道相连通，所述的第一外管的侧壁上设置有用于通入冷却气体的进气口，所述的第三外管的侧壁上设置有多个出气口。 ...

Flexible telescopic deep sea underwater vehicle

The invention discloses a flexible telescopic deep sea underwater vehicle which comprises a shell, the shell comprises a vehicle head arranged on the head portion and a vehicle tail arranged on the tail portion, a shell middle section is arranged between the vehicle head and the vehicle tail and is in a hollow cylinder shape, and the outer diameter of the shell middle section is larger than or equal to the maximum outer diameter of the vehicle head and the maximum outer diameter of the vehicle tail. The shell middle section can expand or contract in the diameter direction of the shell middle section. And a plurality of water wave fluctuation resisting devices are arranged on the shell middle section. The invention aims to provide the flexible telescopic deep sea underwater vehicle which is high in trafficability and has a certain vibration reduction function.

Cleaning device capable of collecting metal slag

The cleaning device comprises a bearing plate and a limiting suction cup, equipment bases are symmetrically distributed on the top of the bearing plate, a guide rod is arranged on the outer side of a lead screw, the lead screw is connected with a lead screw sliding block, an air box is installed on the inner side of a fixed bracket, and the air box is connected with a motor. A gathering assembly and a filter plate are arranged below the air box, and a liquid storage box is arranged between the base and the bearing plate. According to the cleaning device capable of collecting the metal slag, a filter plate can filter sewage falling into an infiltration box, so that the metal slag wrapped and entrained in the sewage can be filtered out, management of water resource pollution is facilitated, meanwhile, after cleaning is completed, a worker can manually move the position of a sliding frame in a gathering assembly, and the cleaning efficiency is improved. And the sliding frame drives the scraping ...

VACUUM DRY PLATE CLEANING AND LAMINATING MACHINE

Disclosed is a vacuum dry plate cleaning and laminating machine comprising a vacuum unwinding chamber (1), a vacuum cleaning channel (2), a vacuum laminating chamber (3) and a vacuum winding chamber (4) successively arranged, wherein the vacuum cleaning channel (2) is provided therein with a brush roller (12) and a plasma cleaning device (6), a plate to be laminated coming out of the vacuum unwinding chamber (1) travels to the vacuum cleaning channel (2), the surface of the plate is cleaned via the brush roller (12) and the plasma cleaning device (6), and the vacuum cleaning channel (2) is provided with a vacuum gas extracting port (2.1); the vacuum laminating chamber (3) is provided therein with a laminating mechanism, and the surface laminating of the plate coming out of the vacuum cleaning channel (2) is completed by means of the laminating mechanism; and the laminated plate is wound in the vacuum winding chamber (4). The invention realizes the vacuum plasma cleaning application on the ...

Wire pole delivery wagon

... 一种电线杆输送车，包括车头和车身，车身上设置有车斗，在车斗上增设门形支架，门形支架包括沿车斗的前后方向设置的横梁，横梁上沿长度方向设置有滑轨，横梁的前后两端都设置有吊臂，吊臂的长度大于车斗的宽度，吊臂的中心处设置有转轴和滑块，转轴的上端与吊臂固定连接，转轴的下端与滑块形成转动配合，滑块与滑轨形成滑动配合，吊臂的上方设置有天车，天车上设置有升降吊钩，天车与吊臂形成滑动配合且沿吊臂的长度方向运动。机械化升降电线杆，大大节省了人力，减轻了工作人员的劳动强度，提高了工作效率。而且运输过程中，可以将两个吊臂都移动到车斗上方，不会影响运输车的正常行驶，结构简单，使用方便。 ...

SUBMINIATURE AUTOMATIC HOT AEROSOL FIRE EXTINGUISHING APPARATUS

A subminiature automatic hot aerosol fire extinguishing apparatus, comprises a top cover(1), a thermal isolation layer(3), an inner cylinder(4), an outer cylinder(5), a bottom cover(7), an sensing element(8), a separating net(9) and an ignition tool(11). The inner cylinder(4) is provided with a powder column(6) and a cooling layer(10). The thermal isolation layer(3) is set between the inner cylinder(4) and the outer cylinder(5). The sensing element (8) is used for sensing fire. The size of the apparatus is no larger than 0.05m3. Compared with the prior art, the apparatus is compact and convenient to be installed, and can be utilized for quick fire-extinguishing of local area.

LIGHT EMITTING DIODE FILAMENT AND LIGHT EMITTING DIODE FILAMENT BULB

The present invention provides a light emitting diode (LED) filament and a LED filament bulb. The LED filament comprises: a light-transmissive substrate, at least one LED chip being fixed on the front surface of the light-transmissive substrate, a first electrode pin and a second electrode pin being provided at both ends of the light-transmissive substrate and connected in series to the LED chip; and a phosphor, the phosphor being disposed on the front surface of the light-transmissive substrate, and the phosphor encapsulating the LED chip therein and exposing a portion of the first electrode pin and a portion of the second electrode pin. A heat-dissipation and light-emitting layer is formed on the back or front surface of the light-transmissive substrate, and the heat-dissipation and light-emitting layer contains a plurality of electromagnetic wave powders having different radiation bands.

Tower top condensing separator

... 本发明公开了种塔顶冷凝分离器，属于化工设备领域。分离器主体为板翅式换热器，塔顶气的进气口和出气口分别设置于板翅式换热器的下部和上部，板翅式换热器中两层翅片的端部设置有用于使下层翅片中的塔顶气转向进入上层翅片的封头，不同翅片层之间通过封头形成条从进气口到出气口的弓字形塔顶气通路；板翅式换热器的上部和下部分别设置有冷流体进口和冷流体出口；板翅式换热器中的翅片采用多孔型翅片，且底部设置有封头，用于收集塔顶气冷凝过程中在重力作用下通过翅片孔流下的冷凝液；收集有冷凝液的封头底部冷凝液出口通过接管伸入塔顶液槽中。本发明用于替代低温精馏塔塔顶气所需要的换热器和气液分离器两个独立装置。 ...

Scheduling data processing method based on deep reinforcement learning

The invention relates to the technical field of data processing, and provides a production scheduling data processing method based on deep reinforcement learning, and the method comprises the steps: collecting a plurality of historical production scheduling data; obtaining a plurality of historical process sequences and obtaining a plurality of environment change modes; obtaining a plurality of process pairs, obtaining a first occurrence frequency of each process pair according to the historical process sequence and obtaining a pre-process pair, obtaining a necessary process pair according to a process distance in the pre-process pair, obtaining a second occurrence frequency of each process at each position, and obtaining an environmental adaptation degree of each process; obtaining the environmental adaptability of each process; obtaining a plurality of environment change groups according to the similarity among the environment change modes, and adjusting the environment adaptability to ...

Deepwater aircraft speed detection and self-powered system

The invention discloses a deepwater aircraft speed detection and self-energy supply system which comprises a flow guide cap and a shell. A current generation assembly, a connecting ring with a wire hole, a conducting ring, a speed detection circuit and an energy collection circuit with a capacitor are arranged in the shell. The current generation assembly comprises a central shaft, a piezoelectric rotor, a propeller and a bearing assembly, and the piezoelectric rotor is fixed on the central shaft; the propeller is fixed to the piezoelectric rotor, piezoelectric ceramic pieces are distributed on the outer side of the piezoelectric rotor, and PTFE small balls are distributed between the adjacent piezoelectric ceramic pieces. The propeller drives the piezoelectric rotor to rotate under the action of water flow, and then the PTFE small ball is driven to collide with the piezoelectric ceramic piece to generate current and transmit the current to the speed detection circuit to recognize the speed ...

Plate-fin heat exchanger filled with catalyst

The invention discloses a plate-fin heat exchanger filled with a catalyst, and belongs to the field of energy equipment. The heat exchanger comprises a catalyst filling pipe, a plate-fin heat exchanger core body, an upper sealing head and a lower sealing head. A catalyst filling pipe is arranged on the upper sealing head through a detachable sealing device, and the catalyst filling pipe is inclined inwards. A hydrogen inlet pipe and a hydrogen outlet pipe are respectively arranged in the upper sealing head and the lower sealing head, uniform distribution pipes are arranged in the hydrogen inlet pipe and the hydrogen outlet pipe, and gas spraying holes with downward opening directions are uniformly formed in the uniform distribution pipes. The plate-fin heat exchanger core body is composed of a plurality of fins and partition plates. The two sides of each pair of adjacent partition plates are connected through sealing strips, and fins are arranged between the partition plates to form a medium ...

High-temperature nano recognition coating capable of prolonging service life of base material

The invention discloses a high-temperature nano recognition coating capable of prolonging the service life of a base material, and the formula of the high-temperature nano recognition coating comprises nano silicon oxide, nano aluminum oxide, nano silicon carbide, nano zirconium oxide, nano iron oxide, nano magnesium oxide, nano zinc oxide, a binder, graphene oxide, isocyanate, a surfactant, a silane coupling agent, barium sulfate, hollow glass beads and cuprous oxide. The isocyanate, the surfactant and the silane coupling agent are added to reduce Van der Waals' force among molecules in the graphene oxide, and dispersion of the graphene is facilitated; according to the invention, barium sulfate and hollow glass beads are adopted to replace part of graphene oxide, so that the purpose of controlling the production cost is achieved, the basic performance is not greatly different, and the overall specific gravity of the material is lighter; by adding cuprous oxide, the antibacterial performance ...

Silicon carbide fiber reinforced metal matrix composite material bearing beam structure and preparation method thereof

The invention relates to the field of composite materials, in particular to a silicon carbide fiber reinforced metal matrix composite material bearing beam structure and a preparation method thereof. The composite material bearing beam adopts an integrated compact design, the silicon carbide fiber is located in the beam edge strip, the beam edge strip and the web are integrally manufactured, and additional mechanical fixing devices such as screws and rivets are not needed. Firstly, a groove is machined in the edge strip part of the composite force-bearing beam mold, a fiber laying position is reserved, then a metal coating is deposited on the surface of silicon carbide fiber, the fiber with the metal coating is arranged to be manufactured into a prefabricated belt, the prefabricated belt is cut, stacked and integrally placed in the groove of the edge strip of the composite force-bearing beam mold, and the composite force-bearing beam mold is manufactured. And forming by adopting a hot isostatic ...

Vibration monitoring control system for medium-speed coal mill

The invention provides a vibration monitoring control system for a medium-speed coal mill, the medium-speed coal mill comprises a motor, a coupler, a bottom plate, a shell and a body supporting part, the vibration monitoring control system comprises an acquisition module, a signal transmission module and a control monitoring module, the acquisition module comprises a first vibration sensor unit arranged at a foundation at the outer end of the motor, the second vibration sensor unit is arranged on the bottom plate, the third vibration sensor unit is arranged on the coupler, the fourth vibration sensor unit is arranged on the motor, and the acquisition module is connected with the control monitoring module through the signal transmission module. The acquisition module is used for acquiring vibration signals of the medium-speed coal mill through each vibration sensor unit; the signal transmission module is used for sending the vibration signal to the control monitoring module; and the control ...

Special-shaped circuit board capable of being firmly installed and processing technology thereof

The invention discloses a special-shaped firmly-installable circuit board and a processing technology thereof, and relates to the technical field of circuit boards, the special-shaped firmly-installable circuit board comprises a circuit board main body, a positioning auxiliary assembly and an installation positioning assembly, the circuit board main body comprises a lower flexible substrate, an upper flexible substrate, a reinforcing steel sheet, a dielectric layer, a copper-clad plate and filling electroless plating copper, an upper flexible substrate is mounted above the outer part of the lower flexible substrate, a reinforcing steel sheet and a dielectric layer are sequentially fixed inside a space between the lower flexible substrate and the upper flexible substrate from bottom to top, a copper-clad plate is fixed above the upper flexible substrate, and the positioning auxiliary assembly is fixed above the middle part of the circuit board main body. According to the special-shaped circuit ...

Flexible circuit board convenient to assemble

The invention discloses a flexible circuit board convenient to assemble, and relates to the technical field of flexible circuit boards, the flexible circuit board comprises a flexible board 1 and an anti-fracture assembly, the right side of the flexible board 1 is provided with a flexible board 2, a spring wire is connected between the flexible board 1 and the flexible board 2, and the sides, away from the spring wire, of the flexible board 1 and the flexible board 2 are fixedly connected with connecting boards. The anti-fracture assemblies are symmetrically arranged on the upper side and the lower side of the connecting plate, the other side of the connecting plate is fixedly connected with a sealing plate, the center of the connecting plate is fixedly connected with a connector, the upper end and the lower end of the other side of the sealing plate are fixedly connected with inserting plates, inserting holes are formed in the surfaces of the inserting plates, and connecting buckles are ...

Absorption pull-back device for detection of flexible circuit board

The invention discloses a flexible circuit board detection adsorption pull-back device, and relates to the technical field of flexible circuit board detection, the flexible circuit board detection adsorption pull-back device comprises a conveyor belt and an adsorption pull-back assembly, the two sides of the surface of the conveyor belt are provided with rubber strips, the adsorption pull-back assembly is arranged above the conveyor belt, and the left side of a piston rod is fixedly provided with an electric push rod; the output end of the servo motor is connected with a cross, a suction cup is arranged at the bottom of the air pressure sensor, spring telescopic rods are arranged on the two sides of the cross, and clamping rods are fixed to the bottoms of the spring telescopic rods. According to the adsorption and pull-back device for detection of the flexible circuit board, the circuit board body is adsorbed while the suction cups keep moving synchronously with the circuit board body through ...

Rigid-flex circuit board convenient for heat dissipation and processing technology thereof

The invention discloses a rigid-flex circuit board convenient for heat dissipation and a processing technology thereof, and relates to the technical field of circuit board processing. The rigid-flex circuit board comprises a rigid-flex circuit board, a central rigid circuit board and a positioning assembly; the rigid-flex circuit board comprises a central rigid circuit board, a first flexible circuit board, a first rigid circuit board, a second flexible circuit board and a second rigid circuit board. According to the rigid-flex circuit board convenient to dissipate heat and the processing technology thereof, the heat dissipation surface area of the circuit board is increased through the heat dissipation grooves, heat of the circuit board is conducted out through the heat conduction needles, the heat dissipation effect of the circuit board is enhanced, meanwhile, the heat dissipation assembly is arranged, the heat dissipation assembly comprises the electric control sliding block and the ...

Glass fiber cloth product, printed circuit board, integrated circuit carrier board and electronic product

A glass fiber cloth product comprises glass fiber cloth and a silane coupling agent. The glass fiber cloth is formed by weaving glass fiber yarns, the glass fiber yarns are formed by glass fibers containing a glass composition, and the glass composition comprises 55 wt%-64 wt% of silicon oxide, 15 wt%-22 wt% of aluminum oxide, 0.1 wt%-4 wt% of calcium oxide and 2.1 wt%-10 wt% of magnesium oxide based on 100 wt% of the total amount of the glass composition. From greater than 0 wt% to less than 7 wt% of copper oxide, and from greater than 13.1 wt% to less than 18 wt% of boron oxide. Through the design of the glass fibers, the glass fiber cloth product disclosed by the invention has multiple advantages of low thermal expansion coefficient, low dielectric constant and low dielectric tangent loss. The invention also provides a printed circuit board comprising the glass fiber cloth product, an integrated circuit carrier board comprising the glass fiber cloth product, and an electronic product ...

Formula water conservancy regulation and control gate sways

... 本实用新型涉及种摇摆式水利调控闸门，它包括固定支撑架和挡水板，固定支撑架的上部焊接有横梁，横梁安装有电动液压推杆，电动液压推杆连接有连杆，连杆连接有闸门，闸门设置导水孔B，闸门的底部安装有滑轮，挡水板的侧设置有限位装置，挡水板设置有导水孔A，挡水板的底部设置有滑轨导向槽，滑轨导向槽的内部安装有滑轨，电动液压推杆连接有控制器，控制器连接有水流量监测装置，控制器连接有电源，本实用新型具有设计合理、结构简单、使用方便、堵水效果好、运行稳定、安全可靠、水流量控制方便、防止泥沙堆积、工作效率公高、使用寿命长、适用范围广泛的优点。 ...

Two-stage compression heat pump temperature compensation combined water mixing type partition heat supply system

The invention discloses a two-stage compression heat pump temperature compensation combined water mixing type partition heat supply system. The system comprises a floor heating area circulating water system, a radiator circulating water system, a wharf sale area circulating water system and a wind energy coupled two-unit compression heat pump unit. The floor heating area circulating water system, the radiator circulating water system and the wharf sale area circulating water system are connected with the first-network water supply and return system; a water mixing pump is arranged between the water supply side and the water return side of the floor heating area circulating water system; the mode of indirect heat supply and temperature compensation is adopted in the wharf sale area to improve the water supply temperature of the two networks, temperature compensation is achieved through a novel wind energy coupling two-stage compression heat pump, heat users with different attributes are ...

治疗雀斑的药枕

... 本发明公开了一种治疗雀斑的药枕，由透气材料制成的枕芯及枕芯内的中药组成中药组分为苦丁、侧柏叶、茜草、薄荷等。患者在睡眠中通过呼吸道、汗腺等将药气吸入体内，其有效成分渗透作用于经络，从而起到治标除病的作用。还具有药物挥发性好、安全、无毒副作用，使用方便、疗效显著的优点。 ...

Copper-free pure gold flexible circuit board processing method and copper-free pure gold flexible circuit board

The invention specifically discloses a copper-free pure-gold flexible circuit board processing method and a copper-free pure-gold flexible circuit board, and the method at least comprises the following steps: selecting a copper foil with a preset first thickness, cutting the copper foil, and pasting a bearing film and a photosensitive dry film on the two surfaces of the copper foil respectively; exposing the non-graphic area by using a negative film to expose a graphic area, and plating gold in the graphic area; removing the photosensitive dry film at the rest part, and pasting a first PI (Polyimide) protective film on the gold-plated surface and compacting the first PI protective film; and removing the bearing film, etching all the copper layers, selecting a second PI protective film windowing at a required position in advance, attaching the second PI protective film to the surface from which all the copper layers are etched, and compacting the second PI protective film to obtain the copper-free ...

Circuit board cleaning device capable of detecting and repairing welding spots

The invention discloses a circuit board cleaning device capable of detecting and repairing welding spots, and relates to the technical field of circuit board machining, the circuit board cleaning device comprises a first material conveying assembly, a detection box is installed above the first material conveying assembly, a pneumatic sliding rail is installed between two suspension arms, two pneumatic pulleys are installed on the pneumatic sliding rail, and the pneumatic pulleys are connected with the detection box. A cleaning box is installed on one side of the interior of the detection box, five control valves are distributed at the bottom of a cleaning liquid storage box in an array mode, a second material conveying assembly is installed below a spraying mechanism, two opposite pneumatic sliding rods are installed on one side of the cleaning liquid storage box, an air pump is installed on one side of each pneumatic sliding rod, and a second material conveying assembly is installed on ...

Vibration reduction mechanism and method for underwater vehicle

The vibration reduction mechanism and method for the underwater vehicle are characterized in that the vibration reduction mechanism comprises a piezoelectric sensing piece, an electric vibration suppression plate, a vibration reduction base, a sleeve A, an upper cover, a vibration reduction connector, a push rod, a spring supporting column A, a rubber gasket, a compression spring A and a spring device; the spring supporting column A is fixed to the center of the vibration reduction base, the spring supporting column A is sleeved with the compression spring A, and the upper cover penetrates through the middle and is matched with the spring supporting column A; the compression spring A is clamped by the damping base and the upper cover, and the compression spring A is sleeved with the sleeve A; the vibration reduction connector is fixed on the vibration reduction base and the upper cover; the spring device is movably connected with the vibration reduction connector; and the piezoelectric ...

Method for observing low elevation angle of C-band dual-polarization weather radar

The invention discloses a C-band dual-polarization weather radar low elevation angle observation method. The method comprises the following steps of observation area selection, optimal parameter acquisition, parameter application, external field test, data analysis and parameter solidification. According to the invention, the observation precision of the C-band dual-polarization new-generation weather radar can be effectively improved, and the observation data quality is improved.

Pile -drawing machine for hydraulic engineering

... 本实用新型涉及种水利工程用拔桩机，它包括基座，所述的基座的下表面设置有行走机构和液压升降底座，所述的基座的上表面设置有伸缩液压缸，所述的伸缩液压缸的顶端设置有横梁，所述的横梁的内部设置有旋转轴，所述的旋转轴上设置有定滑轮组，所述的定滑轮组上缠绕有吊索，所述的吊索的端缠绕在滚筒上，所述的吊索的另端连接有吊梁，所述的吊梁上铰接有钳臂A和钳臂B，所述的钳臂A和钳臂B的底端分别铰接有钳腿A和钳腿B，所述的钳腿A和钳腿B之间通过销轴连接，所述的钳腿A和钳腿B内设置有导轨，所述的导轨上设置有滚轮，所述的滚轮连接在连杆的底端，所述的连杆的顶端铰接在吊梁上；本实用新型结构合理、使用方便、安全可靠。 ...

Control and adjustment method and system for reducing vibration of medium-speed coal mill

The invention provides a control adjustment method and system for reducing vibration of a medium-speed coal mill, and the method comprises the steps: obtaining a vibration value, a loading force, a current output force, a separator rotating speed and a ventilation quantity of the medium-speed coal mill in real time in the operation process of the medium-speed coal mill; judging whether the vibration value is smaller than a vibration threshold value or not, and if yes, keeping running parameters of the coal mill; otherwise, the loading force is controlled to be reduced to obtain a vibration value after the loading force is adjusted, and if the vibration value after the loading force is adjusted is smaller than the vibration threshold value, the operation parameters of the coal mill are kept; if the loading force is larger than or equal to the vibration threshold value, whether the loading force is reduced by a first preset proportion is judged, and if the loading force does not reach the ...