Metal vacuum smelting fluent metal collecting method and apparatus

Shaping solid fuel and preparation method thereof

The invention relates to a shaping solid fuel and a preparation method thereof, in particular to a shaping solid fuel mainly made of oil plants and a preparation method thereof. Specifically, the shaping solid fuel contains the following raw materials in parts by weight and water not more than 45% of the total weight of the raw materials, wherein the raw materials comprise 5 to 100 parts of oil plant, and/or 5 to 95 parts of coal and 0.01 wt% to 5wt% of binder (by the total weight of the raw materials). The preparation method of the shaping solid fuel comprises the following steps of: smashing the oil plant to proper grain diameters; then adding the binder and/or the coal; adding a proper amount of water and evenly stirring; pressing and shaping to obtain the finished product; and then drying for use.

Vacuum metal smelting heat accumulation reducing furnace system

The invention discloses a vacuum regenerative and reduction furnace system for metal smelting, which comprises a reduction furnace (1), a reduction kettle (2), a regenerative burning system and a liquid-state metal collection system. The reduction kettle with a bevel bottom structure is provided with a radiation pipe (3) penetrating in the reduction kettle and is arranged at the middle section of the reduction furnace to divide the reduction furnace into an upper or a left combustion chamber (4) and a lower or a right combustion chamber (5), and the two combustion chambers are communicated with each other through the radiation pipe (3), so that the hot smoke in the combustion chambers can pass through the radiation pipe (3). The two combustion chambers are respectively connected with each other a regenerative combustion system, which is used for storing the heat of smoke discharged from the reduction furnace after heating materials through the radiation pipe and for controlling the alternate ...

Double-rectification-tower heat-integration alcohol rectification energy-saving technical method

The invention relates to a double-rectification-tower heat-integration alcohol rectification energy-saving technical method, which can produce alcohol from fermented liquor by the rectification process. The whole alcohol rectification system at least comprises a crude rectification tower 101, a first rectification tower 102, a second rectification tower 103 and corollary equipment of the three towers, wherein heat integration is formed among the crude rectification tower 101, the first rectification tower 102 and the second rectification tower 103, and other heat exchange and energy-saving technologies in the system and a steam injector are applied, so that the operation energy consumption is greatly reduced. The invention overcomes the defects of the prior art, remarkably reduces the energy consumption of the alcohol rectification system, and reduces the operation energy consumption by more than 30%; furthermore, the method can be used for producing superior grade product edible alcohol ...

气体折流塔板

... 本发明涉及化学工程中的气液传质设备，具体地讲是气体折流塔板，它包括塔体、降液挡板、塔板、降液区、降液管、升气区和填料构成，塔板上的降液区设降液挡板，降液挡板高于塔板，控制塔板上的液体形成液位，塔内上升气体被迫折流上升，液体靠重力作用垂直下降，气液两相在整个板间距内进行传质。本发明可用于化工过程中的气液传质设备，在该塔内可充分利用板间距及塔板截面积，大幅度提高降液区面积，使降液区和气液传质有效区有机地统一。非常适合于大液量的吸收、精馏、换热等场合。 ...

Heat insulating method for reduction tank and reduction tank prepared by the method

The present invention is one kind of reduction pot and its heat insulating method. The reduction pot is separated into three sections, including one inside-kiln pot body in the middle part and two outside-kiln bodies on two ends, and has heat insulating units of non-metal material set between the inside-kiln pot body and each of the outside-kiln bodies. The present invention has less heat loss, lowered material inlet and slag outlet temperature, improved work condition, high safety, high production efficiency and low production cost.

Low-cost four-axis turntable refitting method based on three-axis turntable

The invention belongs to the technical field of aviation semi-physical simulation, and discloses a low-cost four-axis turntable modification method based on a three-axis turntable, a high-speed rolling system is installed on an original rolling inner frame of the three-axis turntable, the high-speed rolling system is used for simulating rolling of an aircraft, the original rolling inner frame is used for simulating yawing of the aircraft, and the three-axis turntable is modified. The pitching of the aircraft is simulated by using the original pitching middle frame, and the yawing of the aircraft is simulated by using the original yawing outer frame. According to the method, based on a common three-axis turntable, a high-speed rolling system is additionally arranged on the common three-axis turntable, meanwhile, a three-axis pitch axis is rotated by 90 degrees, the four-axis turntable needed by a project is ingeniously obtained in a 3 + 1 mode, the test requirement of the project for four ...

FM -CW intermediate frequency signal processing apparatus

The utility model provides a FM -CW intermediate frequency signal processing apparatus at first gives the baseline processing ware with radiofrequency signal for eliminate radiofrequency signal's error itself, balanced mixer is given to radiofrequency signal and local oscillator signal after will procesing again, wherein balanced mixer comprises blender, radio frequency choking coil, diode and band pass filter, balanced mixer gives the IF amplifier with the intermediate frequency signal who obtains again, and the limiting process ware is given to signal after the IF amplifier will be processd, intermediate frequency echo signal that limiting process ware final output was satisfied the demand, the FM -CW intermediate frequency signal processing apparatus, it can more real artificial antenna electrical height the echo signal of table, very important's effect is had for the quiet dynamic characteristic who verifies the radio altimeter.

Method for increasing heating speed of material in metal vacuum smelting reduction still and reduction still

The invention discloses a method for improving material heating speed in a reduction kettle for vacuum metal smelting, which comprises the following steps of: arranging heat conductors (1) on the wall of a reduction kettle for vacuum metal smelting or on a radiation pipe (2) penetrating in the reduction kettle, thus increasing the contact area between the radiation pipe and a reduction material in the reduction kettle, reducing the heat conduction distance between the radiation pipe and the reduction material and improving the heating speed of the reduction material. By arranging the plurality of heat conductors on the kettle wall and on the radiation pipe connected with the reduction kettle, the invention can increase the contact heat conduction area between the radiation pipe and the reduction material in the reduction kettle for vacuum metal smelting, shorten the heat conduction distance from the reduction material and improve the heating speed of the reduction material, thus improving ...

Flue gas tandem heating method and heating system

The invention discloses a method for heating series-connected heating furnaces by smoke gas and a heating system, which is characterized in that the heating system comprises a heating furnace A and a heating furnace B, wherein the heating furnace A can generate smoke gas, and the heating furnace B is at least provided with a smoke gas inlet and a smoke gas outlet. The heating method comprises the following steps that the smoke gas outlets of various heating furnaces are connected in series with a smoke gas inlet of the next heating furnace so that smoke gas generated by the heating furnace A can enter each heating furnace, and each heating furnace is heated by directly adopting the smoke gas. The invention has the characteristics that the smoke gas with high temperature is directly applied to production through series connection of a plurality of heating furnaces, thereby reducing loss of heat energy. The heating system has a simple structure and flexible fit. In each heating furnace, the ...

Method for decreasing inner temperature leak of reduction tank and reduction tank prepared by the method

The present invention discloses one kind of reduction pot and its method of reducing heat loss. The reduction pot includes one inside-kiln pot body, one crystallizer on one end of the inside-kiln pot body, and one outside-kiln pot body connected to the other end of the inside-kiln pot body. The outside-kiln pot body has one step in the inner wall and one heat insulating body in the shape corresponding to that of the step, so that the material inside the reduction pot is always kept inside the inside-kiln pot body. The present invention can avoid heat loss and material waste, and has lowered slag outlet temperature, improved work condition, high safety, high production efficiency and low production cost.

Method and device with electric field for collecting liquid-state metal of metal vacuum smelting

The invention discloses a collection method for liquid metal with electric field by metal vacuum smelting. The method are as follows: reduction pots or reduction kettles used for metal reduction reaction are arranged at interval in the way of row-column; a plurality of collection devices are arranged at the lower parts, the upper parts or the front parts of feeding ends of the reduction pots or the reduction kettles; each collection device is connected with one or more than one reduction pot or reduction kettle; according to differences of vacuum smelting metal in the collection devices, each collection device is provided with one or more than one solid metal gatherer with different temperature sections; the solid metal gatherer with high temperature is provided with the electric field formed by an electrode plate; and the electric field can eliminate oxide or contaminating metal in the metal. The collection method with electric field for metal vacuum smelting liquid metal uses the devices ...

带除雾导流结构无返混塔板

... 本发明涉及一种带除雾导流结构无返混塔板，它包括有塔板、并流喷射传质单元组及除雾单元组等构成，与液流方向平行的长方体构成并流喷射传质单元的主体，并流喷射传质单元内可加设若干隔板将其分隔成若干个小的并流喷射传质单元体，除雾单元组设有集液槽。本发明可有效消除塔板上液体返混、减小气相造成的液相夹带与返混，可提高塔板效率15％以上，处理能力较普通并流喷射式复合塔板提高1/4。并且塔板开孔采用导流结构，塔板压降较普通并流喷射式复合塔板降低1/3。本发明可用于化工过程中的气液传质设备，可实现填料塔的多级并流操作，大大提高生产能力和分离效率，非常适合于常压至加压吸收、精馏、换热等场合。 ...

Method for eliminating local partial pressure in vacuum smelting reduction still and used reduction still

The invention discloses a method for eliminating local differential pressure in a vacuum smelting reduction kettle, which comprises the following steps of: arranging a metal vapor vacuum pumping hole or a crystallizer interface on the reduction kettle; and disposing a metal vapor guide channel in the reduction kettle, so that the metal vapor can escape into a metal collector or the crystallizer along the guide channel. The reduction kettle (4) adopted by the method has a rectangular or round box body with a bevel bottom structure and has a bottom inclined by an angle of 30 to 60 DEG. The metal vapor vacuum pumping hole (6) is provided on the kettle body on the highest point side on the top of the reduction kettle, an air guide groove (2) pointing to the metal vapor vacuum pumping hole is provided on the inner wall of the reduction kettle, a radiation pipe (1) with the air guide groove and penetrating in the kettle is vertically or horizontally arranged in the reduction kettle, or an air ...

Slag discharging method and device for metal vacuum smelting reduction furnace

The invention discloses a deslagging method for a metal vacuum smelting reducing furnace, wherein, a slag notch and a deslagging end cover are arranged on one end of a reducing pot; a charging hole is arranged on the other end of the reducing pot; an air pipe is arranged on a charging hole end; the air pipe is respectively connected with a vacuum pump and an air compressor after embranchment. During the delagging process, a vacuum valve is closed at first; the deslagging end cover of the reducing pot is opened, and then a compressed-air valve is opened; compressed air forms pressure on the charging hole end, and reducing waste residues are pushed out of the slag notch of the reducing pot. The invention has the advantages of capability of realizing semi-automatic production operation, no need for manual deslagging during the deslagging process, prevention of polluting the working environment and burning people due to high temperature, great improvement of deslagging efficiency, reduction ...

Turnover and tail end control semi-physical simulation test method

The invention relates to a turnover and end control semi-physical simulation test method, which comprises the following steps of: designing corresponding control logic according to control requirements of different stages of an aircraft; in the initial launching stage, inertial smoothing is carried out on a course angle, a pitch angle, a course sight angle and a pitch sight angle; in the terminal guidance stage, exponential smooth transition processing is carried out on the roll angle according to a certain rule according to the missile-target distance; and in a tail end attack stage, according to the course sight angle and the pitching sight angle variation, the course sight angle and the pitching sight angle are re-assigned so as to control the course sight angle and the pitching sight angle of the five-axis turntable. According to the invention, the problem that the aircraft cannot be subjected to turnover maneuvering and end attack simulation due to limitation of rolling frames of the ...

Tower plate with defrosting guide structure and no back mix

A tower plate with defog and current-guide structure and non-getting mixed is composed of tower plate, parallel-flow jet mass-transfer unit consisting of parallel rectangular bodies and partitions toform many sub-units, and defog unit with liquid collector. Its advantages are high efficiency increased by 15%, high processing power increased by 1/4, low pressure drop decreased by 1/3, and non-getting mixed of liquid phase due to reduced gas phase.

Enamelled wire for plug-in type automobile relay

The utility model provides an enamelled wire for a plug-in type automobile relay. The enamelled wire is a novel self-lubricating enamelled wire, for which not only the amount of lubricating oil coated on enamelled wires can be greatly reduced, but also the surfaces of the enamelled wire have self-lubricating property, so that the enameled wire is suitable for high-speed automatic winding operation. The enamelled wire for the plug-in type automobile relay adopts the technical scheme that the enamelled wire for the plug-in type automobile relay comprises a metallic conductor core wire, a prime coating layer and an outer coating layer, wherein the prime coating layer is a thermal-resistant polyurethane resin layer, the outer coating layer is a thermal-resistant polyurethane layer or a flash-soldering polyamide-imide resin layer, and a self-lubricating material layer is enriched on the surface of the outer coating layer. The metallic conductor core wire is a pure copper wire or a copper alloy ...

Reduction tank layout method and reduction furnace constructed therefor

The utility model discloses an arrangement method for a reductor, which is characterized in that a support is positioned on a kiln body, one end of the reducer is arranged upward and provided with a crystallizer, the other end of the reductor is provided with a slag taphole and is positioned downward and tilted in 3 to 60 degrees on the support of the kiln body, the crystallizer and the slag taphole are positioned outside the kiln body. The reductor constructed by the method comprises a kiln body (8) and a reductor (1). A plurality of supports are positioned on the front and the rear end of the kiln body (8). One end provided with a crystallizer (5) on the reductor is positioned on a front support (3) of the kiln body. The other end provided with a taphole (2) on the reductor (10) is positioned on a rear support (4). The utility model solves the problem of less feeding in the reductor, low production output of the metal, inconvenient loading and de-dregs, and high labor intensity in the ...

High -grade packing carton of gift tea set

The utility model belongs to the technical field of the tea set packing, specificly relate to a high -grade packing carton of gift tea set. Above -mentioned high -grade packing carton of gift tea set including box body and lid, includes still that silks and satins are outer, the box body includes that end box, two go up box, connecting plate and shrouding, and this connecting plate is upwards extended by a curb plate of end box, and this two is gone up the box and hinge respectively in the connecting plate both sides, and this shrouding is by a curb plate downwardly extending of last box, two the floor spaces of floor space and end box when going up the box concatenation are the same, the shrouding is relative with the connecting plate, when the lid lid is established on the box body with two go up box, connecting plate and shrouding fix, the silks and satins skin sets up in the surface of end box and last box. Above -mentioned high -grade packing carton of gift tea set, the appearance ...

强制提液型并流喷射填料塔板

A forced liquid lifting type filler tower plate with parallel-flow spray is composed of tower plate unit, down-flow tube, and the parallel-flow spray type mass transfer unit divided into 2-5 separated unit groups in liquid flow direction. The parallel liquid and gas flows are used to lifting the liquid phase on tower plate 2-5 times for full contact between gas and liquid of each tower plate layer, so ensuring higher tower efficiency (increased by 20% or more).

Energy-saving process method for rectifying and separating three fractions

The invention relates to an energy-saving process method for rectifying and separating three fractions, and a high-purity middle fraction B is prepared from a mixed material of a light fraction A, a middle fraction B and a heavy fraction C. The process method at least comprises a pre-distillation tower (T101) and a rectification tower (T102). The process method comprises the following steps of: making the mixed material enter the pre-distillation tower (T101); distilling out a part of the light fraction A on the top of the T101; making a distillate only comprising the heavy fraction C at the bottom of the T101 and the middle fraction B enter the middle-lower part of the T102; extracting a liquid phase stream comprising the A and the B on a side of the T101 and making the liquid phase stream enter the middle-upper part of the T102; distilling out the rest A on the top of the T102; distilling out the heavy fraction C at the bottom of the T102; and obtaining the high-purity middle fraction ...

Heat dissipation apparatus used for electronic assembly and LED module possessing the heat dissipation apparatus

A heat dissipation apparatus used for an electronic assembly and a LED module possessing the heat dissipation apparatus are disclosed. The invention provides a heat dissipation apparatus used for the electronic assembly. A working fluid used for transmitting heat energy generated by at least one electronic assembly is accommodated in the heat dissipation apparatus. The heat dissipation apparatus comprises a substrate used for installing the at least one electronic assembly and a radiator which forms a cavity with the substrate. The radiator possesses at least one hollow continuous bending structure. The radiator comprises plural hollow portions forming the continuous bending structure and a joint portion which is jointed with the substrate so that the cavity is sealed.

Electric heating method for reduction pot and reduction pot used for the same

The invention discloses an electric heating method for a reducing pot and the reducing pot used by the method, wherein, a heat conductor is arranged inside a pot body of the reducing pot; an electrical bar is embedded into the heat conductor; heat generated after the electrical bar is electrified is conducted through the heat conductor, and reducing materials in the reducing pot are heated. The reducing pot (1) takes the structure of a cylinder, wherein, a charging hole is arranged on one end of the reducing pot; the other end of the reducing pot is closed or provided with a slag notch; the heat conductor (2) is arranged inside the reducing pot (1); the heat conductor (2) and the inner wall of the reducing pot (1) are integrated into a whole or the heat conductor (2) is a movable structure which is closely embedded and sleeved into the reducing pot (1); shape and set mode of the heat conductor (2) are random; the electrical bar (3) is embedded into the heat conductor (2). The invention ...

Calcining method and calcining device

The invention discloses a calcination method and a calcination device, which is characterized in that: materials are put into a calcination furnace; the calcination furnace is provided with a calcination chamber; the upper part and the lower part or the left side and the right side of the calcination chamber have combustion chambers; smoke gas produced by the combustion chambers passes through a gas-guide tube with air holes arranged in the calcination furnace; the smoke gas produced by combustion is led to clacination materials through the gas-guide tube and the air holes; the calcination materials are calcined; after the calcination is finished, the materials are discharged out from the bottom of the combustion chamber. The calcination furnace calcines the materials through the smoke gas produced by the combustion chamber or smoke gas produced in other production links, and has the advantages of simple structure, small volume and flexibility for use. The smoke gas after combustion recycles ...

Purification method of ethyl acetate

The invention relates to a purification method of ethyl acetate. The method comprises the following step: the ethyl acetate product is purified from ethyl acetate-ethanol-water mixture. The equipment of the method at least contains an ethyl acetate rectifying tower, an ethyl acetate recovery tower, an ethanol recovery tower and the associated equipment. The purification method is as follows: heatintegration is realized between the ethyl acetate rectifying tower and the ethyl acetate recovery tower; the ethyl acetate product is obtained from the bottom of the ethyl acetate rectifying tower, wherein the ethyl acetate recovery tower uses water as extracting agent to perform extractive distillation operation; ethyl acetate is recycled from the tower top; ethanol-water mixture is discharged from the tower bottom and sent to the ethanol recovery tower; and ethanol-water mixture is obtained from the bottom of the ethanol recovery tower, a part of wastewater in the tower bottom is recycled, and ...

Method and device for collecting liquid-state metal of metal vacuum smelting

The invention discloses a method and a device for collecting a vacuum smelting liquid metal. The method comprises the following steps that: a reducing pot or a reducing kettle for carrying out a metal reduction reaction are arrayed at interval in a row-column way; the feeding end of the reducing pot or the feeding end of the reducing kettle is provided with one or a plurality of metal collecting devices; each metal collecting device is connected with one or more than one reducing pot or reducing kettle; each metal collecting device is provided with one or more than one solid-state or liquid-state collector with different temperature sections according to the different metals for vacuum smelting in the metal collecting devices. The invention realizes an aim of collecting the liquid metal by using a device with low cost, reduces the contents of the oxide or impurities in the metal while improving yield, improves the purity of the smelting metal, decreases energy consumption, reduces the labor ...

Light-emitting diode (LED) street lamp structure, LED lamp cap and cooling method of LED lamp

The invention discloses a light-emitting diode (LED) street lamp structure, an LED lamp cap and a cooling method of an LED lamp. The LED street lamp structure comprises a lamp cap, a control unit, a hollow electric pole and a fan, wherein the lamp cap comprises a lamp shell, an LED light-emitting element, a transparent cover, a cooling fin, a second gas inlet, a second gas outlet, a movable cover and/or a filter screen; the lamp shell and the transparent cover form a space for accommodating the LED light-emitting element and the cooling fin; the movable cover and/or the filter screen is arranged on the outer side of the second gas outlet; the control unit comprises a first gas inlet, a first gas outlet, a gas filter and a controller; the gas filter is arranged on the inner side or the outer side of the first gas inlet; the controller is used for controlling the gas flow in the LED street lamp structure; two ends of the hollow electric pole are connected with the first gas inlet and the ...

Metal vacuum smelting fluent metal collecting method and apparatus

The invention discloses a metal vacuum smelting liquid metal collecting method, which is characterized in that: raw materials are fed into one or more than one reduction tanks slant set inside a reduction furnace so as to be carried out a high-temperature reduction reaction, and then metal steam is generated in the reduction tank after the high-temperature reduction reaction and is than fed into a liquid metal collector through a metal steam vacuum pipeline which is connected laterally above the reduction tank; the temperature of the liquid metal collector is controlled to lead the metal steam to be changed into liquid metal from gaseous metal, and the liquid metal is collected by a liquid metal collecting box through a connecting hose which is arranged between the liquid metal collector and the liquid metal collecting box. The invention realizes the aim of collecting the liquid metal with low cost devices, and not only improves the yield of the products, but also reduces the content of ...

Calcining method and calcining device

The invention discloses a calcination method and a calcination device, which is characterized in that: materials are put into a calcination furnace; the calcination furnace is provided with a calcination chamber; the upper part and the lower part or the left side and the right side of the calcination chamber have combustion chambers; smoke gas produced by the combustion chambers passes through a gas-guide tube with air holes arranged in the calcination furnace; the smoke gas produced by combustion is led to clacination materials through the gas-guide tube and the air holes; the calcination materials are calcined; after the calcination is finished, the materials are discharged out from the bottom of the combustion chamber. The calcination furnace calcines the materials through the smoke gas produced by the combustion chamber or smoke gas produced in other production links, and has the advantages of simple structure, small volume and flexibility for use. The smoke gas after combustion recycles ...

Slag discharging method and device for metal vacuum smelting reduction furnace

The invention discloses a deslagging method for a metal vacuum smelting reducing furnace, wherein, a slag notch and a deslagging end cover are arranged on one end of a reducing pot; a charging hole is arranged on the other end of the reducing pot; an air pipe is arranged on a charging hole end; the air pipe is respectively connected with a vacuum pump and an air compressor after embranchment. During the delagging process, a vacuum valve is closed at first; the deslagging end cover of the reducing pot is opened, and then a compressed-air valve is opened; compressed air forms pressure on the charging hole end, and reducing waste residues are pushed out of the slag notch of the reducing pot. The invention has the advantages of capability of realizing semi-automatic production operation, no need for manual deslagging during the deslagging process, prevention of polluting the working environment and burning people due to high temperature, great improvement of deslagging efficiency, reduction ...

Can keep clear mug of wall of cup

The utility model belongs to the technical field of articles for daily use, specificly relate to a can keep clear mug of wall of cup. This kind of can keep clear mug of wall of cup including mug body and cup handle, still includes to set up the mouth that drinks water on the mug body, the mug body has the mouth of an oval structure and follows, the cup is setting up on the major axis axis on mug body mouth edge, drink water mouthful for set up with mug body mouth along department and the arc recess that extends towards the bottom of cup, this arc recess uses mug body mouth to follow the symmetrical arc of minor axis as the axis. Above -mentioned can keep clear mug of wall of cup, not only pleasing to the eye, the long service life of appearance, low in production cost, when using this kind of mug to drink water, all water in all can the inflow entrance and not can along the wall of cup of mug to dirty, keep the wall of cup clean, effectively prevent bacterial growing, curved mouthful messenger ...

Method for increasing heating speed of material in metal vacuum smelting reduction still and reduction still

The invention discloses a method for improving material heating speed in a reduction kettle for vacuum metal smelting, which comprises the following steps of: arranging heat conductors (1) on the wall of a reduction kettle for vacuum metal smelting or on a radiation pipe (2) penetrating in the reduction kettle, thus increasing the contact area between the radiation pipe and a reduction material in the reduction kettle, reducing the heat conduction distance between the radiation pipe and the reduction material and improving the heating speed of the reduction material. By arranging the plurality of heat conductors on the kettle wall and on the radiation pipe connected with the reduction kettle, the invention can increase the contact heat conduction area between the radiation pipe and the reduction material in the reduction kettle for vacuum metal smelting, shorten the heat conduction distance from the reduction material and improve the heating speed of the reduction material, thus improving ...

Forced liquid extracting style parallel spray packing tower plates

Virtual-real combined multi-machine collaborative semi-physical simulation system and method

The invention relates to a virtuality and reality combined multi-machine collaborative semi-physical simulation system and method. The system at least comprises a multi-model parallel simulation machine, interface equipment, a physical guidance prototype and a real-time network, the multi-model parallel simulation machine is used for real-time calculation of aircraft dynamics, kinematics equations and mathematical software of a control system; and data interaction between the physical guidance prototype and the multi-model parallel simulation machine is realized through a real-time network and interface equipment. The simulation method provided by the invention is strong in expandability and high in universality, and by utilizing the simulation method and system provided by the invention, verification requirements of different models can be matched only by carrying out adaptive development on the number of the models and different model requirements in the multi-model parallel simulation ...

Reduction kettle

The invention discloses a reduction kettle, comprising a kettle body (1) which appears as a box or cylinder structure. The bottom or top part of the kettle body is arranged in an inclined form. Radiation pipes (2) arranged to be parallel with both the front and back side walls of the reduction kettle or in a horizontal array form run through the kettle body. A slag draining port (3) is arranged on the side kettle body of the lowest point of the kettle bottom part, and an assistant slag draining port (4) is arranged on the kettle body, namely on a position where the highest point of the kettle bottom is opposite to the slag draining port. A charging inlet (5) is arranged on the highest point of the top part of the kettle body, and a metal steam vacuum adsorbing port (6) is arranged on the side kettle body of the highest point of the kettle body top. The invention can reduce reduction action time, enhance manufacturing capability, and also can reduce energy cost. The invention prolongs the ...

Image acquisition method

The invention relates to an image collecting method and an image collecting device used for the method. The image collecting device comprises a computer provided with a system control software, a collecting object adjusting device and a digital camera; the image collection of the collecting points can be manually completed or automatically completed by the computer by means of inputting the screening parameter of the collecting points. The system is applied to the image field of shooting planography slice presswork (such as stamp, various bills and anti-falsification labels, etc.), and has the functions of a plurality of light sources, multiple-angle and being capable of carrying out the observation of microcosmic magnification, etc. and has the advantage of conveniently replacing the light sources and the combinations of lenses; the high definition digital image of the presswork can be screened under different light sources and angles by adopting the system, so as to provide advancedtechnical ...

Electric heating method for reduction pot and reduction pot used for the same

The invention discloses an electric heating method for a reducing pot and the reducing pot used by the method, wherein, a heat conductor is arranged inside a pot body of the reducing pot; an electrical bar is embedded into the heat conductor; heat generated after the electrical bar is electrified is conducted through the heat conductor, and reducing materials in the reducing pot are heated. The reducing pot (1) takes the structure of a cylinder, wherein, a charging hole is arranged on one end of the reducing pot; the other end of the reducing pot is closed or provided with a slag notch; the heat conductor (2) is arranged inside the reducing pot (1); the heat conductor (2) and the inner wall of the reducing pot (1) are integrated into a whole or the heat conductor (2) is a movable structure which is closely embedded and sleeved into the reducing pot (1); shape and set mode of the heat conductor (2) are random; the electrical bar (3) is embedded into the heat conductor (2). The invention ...

A composite control ware for aircraft emulation is experimental

The utility model discloses a composite control ware for aircraft emulation is experimental, including simulation system interface, aircraft product interface, product power supply system, double -pole double -throw, delay relay etc. The simulation system interface passes through the cable to be connected with simulation system, and aircraft product interface passes through the cable to be connected with the aircraft product, and figure 1 power supply system 0 is pressed to double -pole double -throw, delay relay, product power supply system, simulation system interface, aircraft product interface etc.. When double -pole double -throw arranged the right side in, all control signal gave simulation system zero point when the controller sent, gave the aircraft product through delay relay, when initiatively starting all zero point control circuit, when the left side was arranged in to the double pole double throw, simulation system's control signal was received to the controller, gives the ...

Energy-saving process for rectifying alcohol by adopting heat integration of three rectifying columns

The invention relates to an energy-saving process for rectifying alcohol by adopting heat integration of three rectifying columns, in particular to an energy-saving process for producing alcohol from fermented liquor through rectification. A whole alcohol rectification system at least comprises a first rectifying column, a second rectifying column and a third rectifying column as well as corollary equipment of the three rectifying columns. The operation energy consumption is greatly reduced through heat integration among the three rectifying columns and applications of other heat exchange and energy saving technology in the system. An optimized heat exchange system ensures a molecular sieve absorption dehydration system and the rectifying system to be organically united, thus improving the stability and flexibility of the whole rectifying system. The method has the following beneficial effects: the defects of the prior art are overcome; by the method, the operation energy consumption is ...

Multistage matrix type cement bunker

The invention discloses a multi-stage matrix type cement bunker. Comprising a cement surge bin and multi-stage and multi-column cement bins, a dust collector is installed on the cement surge bin, discharging pipes are arranged on the lower portion of the cement surge bin and the lower portion of the cement bins, the discharging pipes are connected with feeding ports of the lower-stage cement bins, and a Roots blower is installed below the lowest-stage cement bin. The pressure difference generated when cement is fed into the lower cement bin from the upper cement bin is utilized, positive pressure air is blown to the inflation chute at the bottom of the upper surge bin or the cement bin, the purposes of cooling, homogenizing and anti-caking are achieved through multi-stage cement blowing, and meanwhile energy consumption is saved. The air agitating the cement is heated by the lower-stage cement, and the temperature difference between the air and the cement is reduced when the air reaches ...

Method for eliminating partial pressure in metallic vacuum smelting reverting pot and reverting pot thereof

The invention discloses a partial differential pressure elimination method inside a metal vacuum smelting reduction pot and a used reduction pot.The reduction pot is provided with a metal steam channel inside; a heat conductor connected to the internal wall of the reduction pot is opened with a groove as a lead-out channel of the metal channel during the reduction reaction; the lead-out channel is directly connected with a reduction crystallizer with high vacuum degree; the reduction crystallizer is capable of sending out all the metal steam inside the reduction pot. The invention eliminates the partial damage of the partial differential pressure to the reduction reaction condition when the metal steam escapes from the existing pot during the reduction reaction, thus further realizing the elimination of the partial differential pressure and improving the smelting metal output and quality in the reduction pot.

Oligosaccharide composition and application in cosmetics

The invention discloses an oligosaccharide composition and application in cosmetics. In the oligosaccharide composition, alginate-derived oligosaccharide with the weight-average molecular weight of below 1,000 Da (the polymerization degree of between 2 and 5), chitosan oligosaccharide with the weight-average molecular weight of below 1,000 Da and a proportional mixture of the alginate-derived oligosaccharide and the chitosan oligosaccharide are selected as additives of the cosmetics. The two oligosaccharides have a powerful radiation protection function by combining at a certain concentration, and the combination has a good radiation protection function when used in a product of the cosmetics. The oligosaccharide composition has the characteristic of the good radiation protection function by mixing the alginate-derived oligosaccharide and the chitosan oligosaccharide with the weight-average molecular weight of below 1,000 Da in aqueous solution in a ratio of below 0.1 percent. The product ...

Method for rectifying ethanol by three-tower heat integration device

The invention relates to a process of preparing ethanol through distillation from fermentation liquor by using three- tower heat integrated device. The whole ethaol distillation system at least comprises crude distillation column, low- pressure azeotropic rectifying tower, high- pressure azeotropic rectifying tower and other corollary equipment. The heat integration in said three towers and the application of heat exchange, energy saving technology and steam injector greatly reduce operational energy consumption. The optimized heat exchange system combines the molecular screen and rectifying system organically, which improves the stability and flexibility for the whole rectifying system. The invention can reduce operational energy consumption by more than 30%, and the practicity and economical benefit are high.

Process of refining trimethylolpropane

Method for decreasing inner temperature leak of reduction tank and reduction tank prepared by the method

The present invention discloses one kind of reduction pot and its method of reducing heat loss. The reduction pot includes one inside-kiln pot body, one crystallizer on one end of the inside-kiln pot body, and one outside-kiln pot body connected to the other end of the inside-kiln pot body. The outside-kiln pot body has one step in the inner wall and one heat insulating body in the shape corresponding to that of the step, so that the material inside the reduction pot is always kept inside the inside-kiln pot body. The present invention can avoid heat loss and material waste, and has lowered slag outlet temperature, improved work condition, high safety, high production efficiency and low production cost.

Construction method for steel tube concrete core pole

The invention provides a construction method of a concrete core column of a steel pipe, comprising the following steps: (1) a plurality of steel pipe cores are produced as required, and cross axis marks are made on the nozzles of both ends of the completed steel pipe cores, the length of the first section of the steel pipe cores is greater than the predetermined embedded length, and the length of the rest steel pipe cores is equal to the floor height section; plural male pin groups arrayed along the axis of the plural steel pipe cores are symmetrically and evenly fixed on the external surfaces of the plural steel pipe cores, wherein, two pairs of symmetrical male pin groups are aligned with the cross axis marks; (2) in the lower column into which the first section of the steel pipe cores is embedded, four steel bars are pre-buried to form a slot, then the first section of the steel pipe cores prepared in the first step is hoisted to the four steel bars formed slots, then the location parameter ...

Three -dimensional packing carton of bull tea set suit

The utility model belongs to the technical field of the tea set packing, specificly relate to a three -dimensional packing carton of bull tea set suit. Three -dimensional packing carton of bull tea set suit, including box body and lid, the box body includes box body, lower box body, expandes connecting plate and locking mechanism, go up the box body, down the box body be the circular or square configuration that the floor space is the same, should go up the box body, the box body has at least a side to connect on expanding the connecting plate down, box body, lower box body are arranged from top to bottom on and, be equipped with folding limit on expanding the connecting plate, the expansion connecting plate will be gone up box body and lower box stack or part through folding limit, locking mechanism sets up and is used for will expanding the connecting plate at last box body when the box body superposes down fixes on expanding the connecting plate. Above -mentioned formula packing carton ...

Pulsed regular filler

The present invention relates to gas-liquid mass transferring equipment in chemical engineering, and especially pulsed regular filler. The present invention features that one filler plate has 2-8 arced rippled area for gas and liquid to pulse for several times with strengthened turbulence, greatly raised separation efficiency, and reduced resistance. The filler may be used for gas liquid mass transfer and heat exchange in chemical equipment. The pulsed regular filler has the features of simple structure, high efficiency and low resistance.

Full -automatic tea tray of water bag formula

The utility model relates to a tea set field, specific full -automatic tea tray of water bag formula who relates to a kind through water bag water supply. This kind of full -automatic tea tray of water bag formula includes the tea tray body and sets up heating unit, play water unit and the control panel on tea tray body panel, its characterized in that: still including sealed water bag and water supply unit, the tea tray body is the cavity box body, and its hollow portion is separated into heating portion, the portion of drawing water and water reservoir section, heating unit, water supply unit, sealed water bag correspondence set up in heating portion, the portion of drawing water, water reservoir section, sealed water bag communicates in order to supply water to a water unit by water supply unit and play water unit. Above -mentioned full -automatic tea tray of water bag formula supplies water through the sealed water bag among this internal water reservoir section of tea tray during the ...

Heat insulating method for reduction tank and reduction tank prepared by the method

The present invention is one kind of reduction pot and its heat insulating method. The reduction pot is separated into three sections, including one inside-kiln pot body in the middle part and two outside-kiln bodies on two ends, and has heat insulating units of non-metal material set between the inside-kiln pot body and each of the outside-kiln bodies. The present invention has less heat loss, lowered material inlet and slag outlet temperature, improved work condition, high safety, high production efficiency and low production cost.

Method and device with electric field for collecting liquid-state metal of metal vacuum smelting

The invention discloses a collection method for liquid metal with electric field by metal vacuum smelting. The method are as follows: reduction pots or reduction kettles used for metal reduction reaction are arranged at interval in the way of row-column; a plurality of collection devices are arranged at the lower parts, the upper parts or the front parts of feeding ends of the reduction pots or the reduction kettles; each collection device is connected with one or more than one reduction pot or reduction kettle; according to differences of vacuum smelting metal in the collection devices, eachcollection device is provided with one or more than one solid metal gatherer with different temperature sections; the solid metal gatherer with high temperature is provided with the electric field formed by an electrode plate; and the electric field can eliminate oxide or contaminating metal in the metal. The collection method with electric field for metal vacuum smelting liquid metal uses the devices ...

Tower plate for gas baffling

A gas baffling tower plate equipment is composed of tower body, down flow baffles, tower plates, down flow area, down flow pipe, gas-flowing-up area and filler. There is down flow apron on the tower plate to control liquid collection on tower plate. In the flowing up procedure of gas, it is forced to be baffled. The liquid is vertically dropping down due to gravity. The mass transfer between gas and liquid takes place between plates.

Reductor slag-removing device

The invention discloses a slag-off device for a reductor (a kettle or a pot). The device comprises an insulator holding section (1) obliquely arranged, an end cover (2) arranged at the bottom of the insulator holding section (1), a movable sealing opening (3) arranged at the top of the insulator holding section (1), and a slag leading pipe (4) connected with the lower part of the insulator holding section (1). Because the slag-off process of the invention is based on sealing condition, the invention can reduce the heat loss in the reductor and also reduce the energy consumption, during discharging off, only a slag-off valve is needed to open, the insulator in the heat insulation section of the reductor automatically slides into the insulator holding section of the invention, reducing slag automatically flows out from the redactor, and then directly flows into a slag leading groove. The slag-off device for a reductor (a kettle or a pot) improves work efficiency, reduces slag-off time and ...

Technological process for methanol distillation by using fiver-tower heat integration apparatus

The invention relates to a technique for rectifying methanol by adopting a five-tower heat-integrated device, in particular to a method which is used for producing methanol from crude methanol through the rectifying process and saves energy. The whole methanol rectifying system at least comprises five towers which are a lightness-removing tower, a normal pressure rectifying tower, a low pressure rectifying tower, a high pressure rectifying tower and a reclaiming tower as well as other corollary equipment; wherein, heat integration is adopted among the normal pressure rectifying tower, the lowpressure rectifying tower and the high pressure rectifying tower, and heat integration operation is carried out between the lightness-removing tower and the reclaiming tower; furthermore, other heat exchanging and power-saving technologies are applied in the system, the operation energy consumption is greatly reduced, the operation and control indexes of all the towers are simplified, and the operation ...

Cement grinding process and process system for combined separation of powder concentrator and settling chamber

The invention discloses a cement grinding process and process system adopting combined separation of a powder concentrator and a settling chamber, and solves the technical problems of low powder concentration efficiency, high failure rate of a beater and high maintenance cost in the prior art. The device comprises a batching system (1), a feeding belt (2), a steady-flow weighing bin (3), a roller press (4), a first material elevator (5), a first-stage V-shaped powder concentrator (6), a screen (7), a second-stage V-shaped powder concentrator (8), a first-stage settling chamber (9), a second-stage settling chamber (10), a mill (15) and a second material elevator (16). According to the invention, a new powder selecting process is adopted to modify an existing system, the failure shutdown frequency and the maintenance cost of the system are reduced, the powder selecting efficiency of a roller press system and the fineness of materials entering a mill are improved, and the loading capacity ...

Image acquisition method

The invention relates to an image collecting method and an image collecting device used for the method. The image collecting device comprises a computer provided with a system control software, a collecting object adjusting device and a digital camera; the image collection of the collecting points can be manually completed or automatically completed by the computer by means of inputting the screening parameter of the collecting points. The system is applied to the image field of shooting planography slice presswork (such as stamp, various bills and anti-falsification labels, etc.), and has the functions of a plurality of light sources, multiple-angle and being capable of carrying out the observation of microcosmic magnification, etc. and has the advantage of conveniently replacing the light sources and the combinations of lenses; the high definition digital image of the presswork can be screened under different light sources and angles by adopting the system, so as to provide advanced technical ...

FM -CW intermediate frequency signal processing apparatus

The utility model provides a FM -CW intermediate frequency signal processing apparatus belongs to radio altimeter echo signal's processing apparatus. Can more real artificial antenna electrical height the echo signal of table, very important's effect is had for the quiet dynamic characteristic who verifies the radio altimeter. Radio frequency choking coil I links to each other with radio frequency choking coil II for the balanced mixer, radio frequency choking coil I links to each other with wave filter I, and radio frequency choking coil II links to each other with wave filter II, wave filter I links to each other with amplitude controller I, and wave filter II links to each other with amplitude controller II. The utility model has the characteristics of good output characteristic can be according to radio altimeter radiofrequency signal, the higher intermediate frequency signal processing of precision simulates out. The utility model discloses echo signal simulation to the frequency modulation ...

Pulsed regular filler

Method and device for collecting liquid-state metal of metal vacuum smelting

The invention discloses a method and a device for collecting a vacuum smelting liquid metal. The method comprises the following steps that: a reducing pot or a reducing kettle for carrying out a metal reduction reaction are arrayed at interval in a row-column way; the feeding end of the reducing pot or the feeding end of the reducing kettle is provided with one or a plurality of metal collecting devices; each metal collecting device is connected with one or more than one reducing pot or reducing kettle; each metal collecting device is provided with one or more than one solid-state or liquid-state collector with different temperature sections according to the different metals for vacuum smelting in the metal collecting devices. The invention realizes an aim of collecting the liquid metal by using a device with low cost, reduces the contents of the oxide or impurities in the metal while improving yield, improves the purity of the smelting metal, decreases energy consumption, reduces thelabor ...

Metal vacuum smelting fluent metal collecting method and apparatus

The invention discloses a method for collecting the liquid metal which is smelted in vacuum; the metal vapor produced in a reducing tank after the high-temperature reduction reaction is introduced into a liquid metal collector through one or more than one metal vapor vacuum ducts which are arranged on the top cover of the reducing tank; the temperature of the liquid metal collector is controlled to convert the metal vapor from the gas state into the liquid one; the liquid metal is collected into a liquid metal collecting box through a connection hose which is arranged between the liquid metalcollector and the liquid metal collecting box. The invention realizes the object of collecting liquid metal with low-cost equipment; in this way, the output is increased and the content of the oxide or impurity in the metal can be reduced; product quality is promoted and energy consumption is reduced; the labor intensity is reduced and the production cost is reduced. The collected liquid metal does ...

Production method of reduction tank for metal vacuum smelting

The utility model discloses a making method of reduction jar used for metal vacuum smelting, which is characterized in that a jar sleeve is wrapped on outer wall of the reduction jar. The utility model has the advantaged that improving strength of reduction jar and heat-resistant anti-corrosive performance, lowering the synthetic cost, thereby reducing the cases of high-temperature oxidization, creepage and crack during using the reduction jar and prolonging the service life of the reduction jar, enabling the magnesium smelting cost to be reduced by above 5 percent.

Heat insulating method for reduction tank slag hole and reduction tank prepared by the method

The present invention discloses one kind of reduction pot and its heat insulating method in the slag outlet. The reduction pot includes one pot body, one crystallizer on one end of the pot body, one heat insulating section made of non-metal material and connected through flanges to the other end of the pot body, and one slag outlet connected through flanges to the heat insulating section. The reduction pot has lowered slag outlet temperature, less heat loss, improved work condition, high safety, high production efficiency and low production cost.

Dynamic and static pressure correction method of altitude air pressure simulator in simulation

The invention relates to a dynamic and static pressure correction method of an altitude air pressure simulator in simulation. The method comprises the following steps that: (1) a real-time network transmits the flight altitude and flight velocity of an aircraft to a control computer in a real-time manner; (2) the control computer calculates altitude and velocity signals of the aircraft so as to obtain dynamic pressure and static pressure signals for controlling an atmosphere data tester; (3) the atmosphere data tester converts the dynamic pressure and static pressure signals into corresponding altitude and velocity signals, and feeds back the altitude and velocity signals to the control computer, and the control computer performs subtraction on the altitude and velocity signals and altitude and velocity signals of corresponding time points of the real-time network so as to obtain error signals, and corrects control signals of a current time point through using the error signals; and (4) ...

Drag-removing method and device for metal vacuum smelting reduction kettle

The invention discloses a slag discharging method for a metal vacuum smelting reduction kettle. The method comprises the following steps that: the bottom of the reduction kettle is processed into a inclined shape, the bottoms of the two lateral plates of the reduction kettle are obliquely intersected, and an arc slag discharging groove is arranged at the intersecting position; the lower part of the slag discharging groove is provided with a slag discharging opening which is connected with a heat insulation section, an insulator is arranged in the heat insulation section, and the other end of the heat insulation section is connected with a slag discharging valve; and the other end of the slag discharging valve is connected with a movable slag-off device. When discharging slag, the slag-off device is connected with the valve, opening the valve, the insulator in the heat insulation section automatically slides into the insulator holding section of the slag-off device, and reducing slag is ...

Process for purifying (methyl) propenoic acid by combined extracting and azeotropic rectification

The present invention is (methyl) propenoic acid purifying process with combined extraction and azeotropic rectification. A kind of hydrophobic compound capable of forming azeotrope with water is selected as solvent. The whole technological process has at least four towers, including extracting tower, light component eliminating tower, coarse fractionating tower and refining tower, adopted. The present invention integrates the extraction, concentration and dewatering (acetic acid elimination) of (methyl) propenoic acid, with azeotropic rectification, dewatering (acetic acid elimination) and purification of propenoic acid, so that the present invention has high efficiency and low power consumption.

Combined method for reducing furnace and calcine furnace and the furnace

The invention discloses a method for combined use of a reducing furnace and a calcination furnace and a kiln using the same. The invention is characterized in that: the kiln comprises the reducing furnace which can produce smoke gas, and the calcination furnace which comprises a smoke gas inlet and smoke gas outlet; a smoke gas outlet of the reducing furnace is connected with the smoke gas inlet of the calcination furnace in series, which ensures that smoke gas exhausted by the reducing furnace can enter the calcination furnace, and the smoke gas is directly used to calcine materials in the calcination furnace. The invention combines calcination and reducing production to continuous production, uses the high-temperature smoke gas exhausted by the reducing furnace to calcine the materials.The smoke gas which is exhausted by the calcination furnace undergoes heat exchange to heat air which is then delivered to a combustion chamber for combustion. The method and the kiln has the characteristics ...

Sealed energy-saving tunnel kiln

The invention relates to the energy-saving emission-reducing improvement technology of a ceramic kiln, in particular to a sealed energy-saving tunnel kiln. The sealed energy-saving tunnel kiln comprises a kiln car, a tunnel kiln body, a sealing layer and an elastic fire-resistant layer. The left side and the right side of the kiln car are respectively provided with a sliding block, a limiting channel allowing the sliding blocks to pass is formed in the tunnel kiln body, gaps are reserved between the limiting channel and the sliding blocks, the sealing layer is arranged in the tunnel kiln body and under the limiting channel, and the elastic fire-resistant layer is arranged on the top face of the sealing layer and seals the gaps between the sliding blocks and the bottom of the limiting channel. The sealed energy-saving tunnel kiln can adapt to temperature changes of different areas in the tunnel kiln, moving is stable, and the kiln car and the tunnel kiln body are completely sealed due to ...

Heat insulating method for reduction tank slag hole and reduction tank prepared by the method

The present invention discloses one kind of reduction pot and its heat insulating method in the slag outlet. The reduction pot includes one pot body, one crystallizer on one end of the pot body, one heat insulating section made of non-metal material and connected through flanges to the other end of the pot body, and one slag outlet connected through flanges to the heat insulating section. The reduction pot has lowered slag outlet temperature, less heat loss, improved work condition, high safety, high production efficiency and low production cost.

Vacuum metal smelting heat accumulation reducing furnace system

The invention discloses a vacuum regenerative and reduction furnace system for metal smelting, which comprises a reduction furnace (1), a reduction kettle (2), a regenerative burning system and a liquid-state metal collection system. The reduction kettle with a bevel bottom structure is provided with a radiation pipe (3) penetrating in the reduction kettle and is arranged at the middle section ofthe reduction furnace to divide the reduction furnace into an upper or a left combustion chamber (4) and a lower or a right combustion chamber (5), and the two combustion chambers are communicated with each other through the radiation pipe (3), so that the hot smoke in the combustion chambers can pass through the radiation pipe (3). The two combustion chambers are respectively connected with eachother a regenerative combustion system, which is used for storing the heat of smoke discharged from the reduction furnace after heating materials through the radiation pipe and for controlling the alternate ...

Low-cost radar seeker semi-physical simulation test platform

The invention relates to a low-cost radar seeker semi-physical simulation test platform. The low-cost radar seeker semi-physical simulation test platform comprises a radar seeker, a turntable, a simulation computer, a target echo signal simulator, a target motion control system, a power amplifier component, a waveguide stimulation head, a FPGA (Field Programmable Gate Array) delay trigger module, a signal source and a target motion bracket, wherein the radar seeker is mounted on the turntable, the turntable is in control connection with the simulation computer, the target echo signal simulator is connected with the simulation computer, and the target motion control system, the power amplifier component and the waveguide stimulation head are connected. Compared with a common radio frequency semi-physical simulation test platform, the low-cost radar seeker semi-physical simulation test platform saves an anechoic chamber and radio frequency store-and-forward equipment, the simulation and test ...

Reductor slag-removing device

The invention discloses a slag-off device for a reductor (a kettle or a pot). The device comprises an insulator holding section (1) obliquely arranged, an end cover (2) arranged at the bottom of the insulator holding section (1), a movable sealing opening (3) arranged at the top of the insulator holding section (1), and a slag leading pipe (4) connected with the lower part of the insulator holding section (1). Because the slag-off process of the invention is based on sealing condition, the invention can reduce the heat loss in the reductor and also reduce the energy consumption, during discharging off, only a slag-off valve is needed to open, the insulator in the heat insulation section of the reductor automatically slides into the insulator holding section of the invention, reducing slagautomatically flows out from the redactor, and then directly flows into a slag leading groove. The slag-off device for a reductor (a kettle or a pot) improves work efficiency, reduces slag-off time and ...

Combined method for reducing furnace and calcine furnace and the furnace

The invention discloses a method for combined use of a reducing furnace and a calcination furnace and a kiln using the same. The invention is characterized in that: the kiln comprises the reducing furnace which can produce smoke gas, and the calcination furnace which comprises a smoke gas inlet and smoke gas outlet; a smoke gas outlet of the reducing furnace is connected with the smoke gas inlet of the calcination furnace in series, which ensures that smoke gas exhausted by the reducing furnace can enter the calcination furnace, and the smoke gas is directly used to calcine materials in the calcination furnace. The invention combines calcination and reducing production to continuous production, uses the high-temperature smoke gas exhausted by the reducing furnace to calcine the materials. The smoke gas which is exhausted by the calcination furnace undergoes heat exchange to heat air which is then delivered to a combustion chamber for combustion. The method and the kiln has the characteristics ...

Technological process for methanol distillation by using fiver-tower heat integration apparatus

The invention relates to a technique for rectifying methanol by adopting a five-tower heat-integrated device, in particular to a method which is used for producing methanol from crude methanol through the rectifying process and saves energy. The whole methanol rectifying system at least comprises five towers which are a lightness-removing tower, a normal pressure rectifying tower, a low pressure rectifying tower, a high pressure rectifying tower and a reclaiming tower as well as other corollary equipment; wherein, heat integration is adopted among the normal pressure rectifying tower, the low pressure rectifying tower and the high pressure rectifying tower, and heat integration operation is carried out between the lightness-removing tower and the reclaiming tower; furthermore, other heat exchanging and power-saving technologies are applied in the system, the operation energy consumption is greatly reduced, the operation and control indexes of all the towers are simplified, and the operation ...

Construction method for steel tube concrete core pole

The invention provides a construction method of a concrete core column of a steel pipe, comprising the following steps: (1) a plurality of steel pipe cores are produced as required, and cross axis marks are made on the nozzles of both ends of the completed steel pipe cores, the length of the first section of the steel pipe cores is greater than the predetermined embedded length, and the length ofthe rest steel pipe cores is equal to the floor height section; plural male pin groups arrayed along the axis of the plural steel pipe cores are symmetrically and evenly fixed on the external surfaces of the plural steel pipe cores, wherein, two pairs of symmetrical male pin groups are aligned with the cross axis marks; (2) in the lower column into which the first section of the steel pipe cores is embedded, four steel bars are pre-buried to form a slot, then the first section of the steel pipe cores prepared in the first step is hoisted to the four steel bars formed slots, then the location parameter ...

Silicon carbide deacidizing tank and preparation method thereof

Simulation data transmission synchronization control method

The invention discloses a simulation data transmission synchronization control method. A system structure comprises a simulation control host, a real-time network control system, a simulation node control computer, and a synchronization control module. The simulation control host, the real-time network control system, and the simulation node control computer are serially connected together by optical fibers. The synchronization control module is nested in the simulation node control software, and the data interaction between the nodes can be carried out by the real-time network control system. The good universality is provided, and the participation in the aircraft ground semi-physical simulation test can be realized at any nodes. The method is simple, stable, and reliable, and by adopting the software modularization design, the transportability is strong; the simulation data transmission synchronization performance can be improved, and the reliability of the system closed-loop test results ...

Drag-removing method and device for metal vacuum smelting reduction kettle

The invention discloses a slag discharging method for a metal vacuum smelting reduction kettle. The method comprises the following steps that: the bottom of the reduction kettle is processed into a inclined shape, the bottoms of the two lateral plates of the reduction kettle are obliquely intersected, and an arc slag discharging groove is arranged at the intersecting position; the lower part of the slag discharging groove is provided with a slag discharging opening which is connected with a heat insulation section, an insulator is arranged in the heat insulation section, and the other end of the heat insulation section is connected with a slag discharging valve; and the other end of the slag discharging valve is connected with a movable slag-off device. When discharging slag, the slag-offdevice is connected with the valve, opening the valve, the insulator in the heat insulation section automatically slides into the insulator holding section of the slag-off device, and reducing slag is discharged ...

Method for eliminating local partial pressure in vacuum smelting reduction still and used reduction still

The invention discloses a method for eliminating local differential pressure in a vacuum smelting reduction kettle, which comprises the following steps of: arranging a metal vapor vacuum pumping hole or a crystallizer interface on the reduction kettle; and disposing a metal vapor guide channel in the reduction kettle, so that the metal vapor can escape into a metal collector or the crystallizer along the guide channel. The reduction kettle (4) adopted by the method has a rectangular or round box body with a bevel bottom structure and has a bottom inclined by an angle of 30 to 60 DEG. The metal vapor vacuum pumping hole (6) is provided on the kettle body on the highest point side on the top of the reduction kettle, an air guide groove (2) pointing to the metal vapor vacuum pumping hole is provided on the inner wall of the reduction kettle, a radiation pipe (1) with the air guide groove and penetrating in the kettle is vertically or horizontally arranged in the reduction kettle, or an air ...

Light-emitting diode (LED) street lamp structure, LED lamp cap cooling method

The invention discloses a light-emitting diode (LED) street lamp structure, an LED lamp cap and a cooling method of an LED lamp. The LED street lamp structure comprises a lamp cap, a control unit, a hollow electric pole and a fan, wherein the lamp cap comprises a lamp shell, an LED light-emitting element, a transparent cover, a cooling fin, a second gas inlet, a second gas outlet, a movable coverand/or a filter screen; the lamp shell and the transparent cover form a space for accommodating the LED light-emitting element and the cooling fin; the movable cover and/or the filter screen is arranged on the outer side of the second gas outlet; the control unit comprises a first gas inlet, a first gas outlet, a gas filter and a controller; the gas filter is arranged on the inner side or the outer side of the first gas inlet; the controller is used for controlling the gas flow in the LED street lamp structure; two ends of the hollow electric pole are connected with the first gas inlet and the second ...

Method for rectifying ethanol by three-tower heat integration device