110results about How to "Reduce sticking" patented technology

The invention relates to the field of polystyrene auxiliaries, and particularly discloses a coating agent for expandable polystyrene as well as a preparation method and application of the coating agent. The coating agent for expandable polystyrene is prepared from the following raw materials in parts by weight: 28 to 42 parts of mono / diglycerol fatty acid ester, 32 to 42 parts of triglyceride, 22 to 32 parts of stearate, 1 to 5 parts of ethylene bis stearamide and 2 to 3 parts of polyvinyl alcohol, and the granularity of the raw materials is 300 to 325 meshes. The coating agent provided by the invention can be used for light-grade, flame-retardant and common-grade expandable polystyrene, and can reduce adhesion and agglomeration among expandable polystyrene particles, enhance the demolding effect and reduce volatilization and loss of a foaming agent and an auxiliary agent.

The continuous annealing process for the cold-rolled titanium strip coil for deep drawing comprises the following steps that S1, in the preparation stage, the titanium strip coil is subjected to degreasing and cleaning treatment; s2, the continuous annealing furnace is heated to the required temperature, high-purity argon is introduced into the furnace, and the positive pressure in the furnace is kept; s3, the pretreated titanium belt is pulled by a leading belt to enter a continuous annealing furnace and passes through a preheating section, a heating section and a cooling section at a specified speed; according to the continuous annealing method, through continuous annealing, the grain size and the mechanical property of the titanium belt are accurately controlled, and the performance requirement of the titanium belt for stamping machining is met.

The utility model provides a protective film, a cover plate assembly and a battery. The protective film comprises a first film layer, an adhesive layer and a second film layer, according to the technical scheme, the second film layer covers the first area of the adhesive layer, and due to the fact that the second film layer is located between the adhesive layer and the anti-explosion valve, when the protective film is under the conditions of thermal expansion and cold contraction and negative pressure and is sucked back, the situation that the protective film and the anti-explosion valve are bonded due to direct contact of the adhesive layer and the anti-explosion valve can be reduced; similarly, because the glue layer is whole-surface and not annular, compared with an annular gluing mode adopted for the anti-explosion valve film in the related technology, the technical scheme of the embodiment of the utility model omits the process step of removing part of glue on the anti-explosion valve film, namely, part of the glue layer located in the first area does not need to be removed, so that the anti-explosion valve film can be conveniently and rapidly glued. Therefore, the procedure before the protective film is adhered to the top cover of the battery can be reduced, and the production cost of the protective film is reduced.

The utility model discloses a flexible optical fiber ribbon and an optical cable. The flexible optical fiber ribbon comprises a plurality of optical fibers which are arranged side by side, a plurality of bonding parts which are distributed intermittently in the axial direction are arranged between the adjacent optical fibers, and the bonding parts are made of the same material; the optical fiber is provided with a coloring layer located on the secondary outer layer and a transparent layer located on the outermost layer. The transparent layers of the plurality of optical fibers are made of the same material, and the transparent layers are axially continuous and circumferentially continuous; the color and / or shape of the colored layer of the optical fiber is observed through the transparent layer, and the color and / or shape of the colored layer of at least one of the plurality of optical fibers is different from that of one of the other optical fibers of the plurality of optical fibers. According to the utility model, the difficulty of material development, manufacturing and ribbon combining process control caused by subtle balance control of adhesive force and tearing force is reduced, the consistency of the adhesive force between the optical fiber and the bonding part in the flexible optical fiber ribbon is improved, and the stability of the product quality is ensured.

The utility model relates to a die-casting die, which belongs to the field of die-casting dies and comprises a movable die component and a static die. Die-casting cavities are respectively formed in the opposite surfaces of the static die and the movable die assembly; an injection nozzle communicated with the die-casting cavity is arranged on the static die; a U-shaped cooling water cavity is formed in the injection nozzle; the movable mold assembly comprises a movable mold base, a push plate, a push rod fixing plate, a cylindrical push rod, a reset push rod, a demolding push rod and a movable mold body; the die-casting cavity is formed in the movable die body; the push rod fixing plate, the push plate and the movable mold base are sequentially arranged on the movable mold body from inside to outside; according to the injection nozzle structure disclosed by the utility model, the structures of the movable mold assembly and the static mold are combined, so that the technical problems that the injection nozzle is easy to strain and pock marks occur are effectively solved, the service life of the injection nozzle is prolonged, the bonding between a die casting and the static mold is reduced, the demolding efficiency is improved, and the integrity of the casting is ensured.

The invention relates to the technical field of oil well paraffin removal and prevention, and discloses a paraffin removal and prevention agent for an oil well shaft and a preparation process. The paraffin remover and inhibitor for the oil well shaft comprises the following components in parts by weight: 10-25 parts of a compound surfactant, 15-30 parts of a mutual solvent, 5-10 parts of a stabilizer, 1-10 parts of a novel wax crystal improver, 0.2-0.5 part of a rapid penetrant, 0.5-1.5 parts of alkali and 25-70 parts of water, the novel wax crystal improver has a structure similar to that of paraffin, and wax crystals can be dissolved in the novel wax crystal improver, so that the wax crystals are not easy to gather and deposit on a pipe wall, and the dissolution rate of the wax crystals is further improved; sodium sulfonate in the structure has strong polarity and hydrophilicity, can adjust the crystallinity of paraffin inhibitor molecules, has a synergistic effect with asphalt, colloid and the like in crude oil, reduces the surface tension of water, has a good wetting effect, and improves the low-temperature fluidity of the crude oil.

The high-voltage contactor comprises a ceramic seat part, a magnetizer part, a transmission part A, a transmission part B and a moving contact part, the ceramic seat part is arranged on the magnetizer part, the transmission part A penetrates through the magnetizer part and is connected with the magnetizer part, the transmission part B is arranged on the transmission part A, and the moving contact part is arranged on the transmission part B; and the transmission part A is connected with the moving contact part. The arrangement of the iron core penetrating through the magnetizer and the inverted dust cover effectively prevents redundant substances formed by ablation after a contact switches a large load in the use process of the contactor from entering a transmission part, and the part of the iron core penetrating through the magnetizer can effectively protect the transmission part. And the condition of clamping stagnation caused by the fact that redundant materials in the cavity enter the transmission part is further avoided.

The invention provides an asymmetric adhesive biological patch as well as a preparation method and application thereof. Specifically, the present disclosure provides an asymmetric adhesion biopatch comprising a substrate having a cellosilk structure, and an adhesive layer derived from an adhesive composition comprising a monomer, a photoinitiator, and a crosslinking agent, and having a cross-linking agent and a photoinitiator, the adhesive composition also includes an antibiotic compound and / or an ingredient providing active metal ions. The asymmetric adhesion biological patch provided by the invention provides a new choice for improving the clinical effect of dura mater repair.

The invention relates to the technical field of high polymer materials, and discloses composite non-woven cloth based on polyethylene and a preparation method thereof.The composite non-woven cloth is prepared from ultra-high molecular weight polyethylene fibers as a base material through hot pressing with an adhesive, and the adhesive is prepared from epoxy resin, a functional composite additive, a defoaming agent and a curing agent; the functional composite additive is added into the adhesive, so that the density and cohesion of the adhesive can be effectively enhanced, the binding force of the adhesive and ultra-high molecular weight polyethylene fibers is improved, the impact resistance of the composite non-woven fabric is further improved, and the situation that the service life of the non-woven fabric is shortened due to tearing caused by debonding and slippage of the fibers when the composite non-woven fabric is impacted is avoided; meanwhile, the heat resistance and the flame retardance of the adhesive can be improved, so that the safety and the reliability of the composite non-woven cloth are improved, the application range of the composite non-woven cloth is widened, and the application prospect is wide.

The invention relates to the technical field of carbon materials, in particular to a forming method of petroleum coke powder coke and formed coke. The invention provides a forming method of petroleum coke powder coke, which comprises the following steps: screening powder coke, and screening petroleum coke to obtain powder coke; preparing a mixture, namely adding an asphalt binder, a non-asphalt binder and water containing a surfactant into the coke breeze to obtain the mixture; pressing the mixture, namely pressing the mixture on a forming machine to obtain a formed coke green block; and calcining the formed coke block, namely calcining the formed coke green block to obtain the formed coke. By implementing the technical scheme disclosed by the invention, moisture-containing coke breeze can be directly treated, and the coke breeze does not need to be dried; the forming pressure is low, and the equipment requirement is low; the binder and formed coke are low in impurity content; the mixing and forming processes are carried out at normal temperature, heating is not needed, the process is simple, and energy consumption is low; the prepared formed coke green block is high in strength, and the calcined formed coke is high in strength and low in ash content.

The present invention provides a transfer film and its application, wherein the transfer film can be used for mass transfer of Mini LED and / or Micro LED. The transfer film of the present invention comprises a substrate and an acrylic adhesive layer and a debonding adhesive layer arranged on both sides of the substrate, and the debonding adhesive layer is used to bond with Mini LED and / or Micro LED. The transfer film of the present invention uses a debonding adhesive layer to achieve reversible adhesion to Mini LED and / or Micro LED, and the debonding adhesive layer can adhere to Mini LED and / or Micro LED with a size of less than 50 μm, which solves the problem that the vacuum suction device in the traditional process cannot effectively adsorb Mini LED and / or Micro LED with a size of less than 50 μm. At the same time, it is simple to use and low in cost, and does not require the addition of complex processes or expensive instruments. The debonding adhesive layer can be firmly adsorbed with Mini LED and / or Micro LED under normal conditions, but after the debonding treatment, the bonding force between the debonding adhesive layer and Mini LED and / or Micro LED is significantly reduced, so that the transfer film can be detached from Mini LED and / or Micro LED without taking away Mini LED and / or Micro LED.

The invention relates to the technical field of plant essential oil production, in particular to emulsifying equipment for plant essential oil production, which comprises a stirring bin, a power motor, a rotating wheel, a rotating shaft, a first stirring rod and the like, the power motor is fixed at the top of the stirring bin, an output shaft of the power motor is connected with the rotating wheel, and the bottom of the rotating wheel is fixedly connected with the rotating shaft; first stirring rods are connected to the side surfaces of the rotating shafts. The power motor is started to drive the first stirring rod to revolve, and meanwhile, the first transmission assembly drives the first stirring rod to rotate, so that the plant essential oil in the stirring bin is efficiently and comprehensively stirred, and compared with an existing single stirring rod, the stirring efficiency is greatly improved; and the lifting blade also reciprocates up and down under the action of the fixed screw rod, so that the materials in the stirring bin can be continuously turned over.

The invention discloses a high-efficiency solid powder ejector which comprises a feeding hopper, a rotational flow distributor, a powder nozzle, a gas phase inlet nozzle, a feeding receiving chamber, a mixing chamber and a mixing outlet pipe. Wherein the feeding funnel, the powder nozzle, the feeding receiving chamber, the mixing chamber and the mixing outlet pipe are sequentially connected along the axis; the cyclone distributor is arranged in the air inlet section of the feeding funnel; and the gas phase inlet nozzle is arranged on the side surface of the feed receiving chamber. By means of the high-efficiency solid powder ejector, the problems that according to an existing solid powder ejector, large-diameter powder is blocked, powder is accumulated in a receiving chamber, the ejection uniformity is poor, and the powder is prone to being bonded are solved.

The invention discloses a mandrel-free double-paddle combined type stirring kettle suitable for mixing a viscous material system. Comprising an upper stirring mechanism, a lower stirring mechanism, a stirring shell, a motor and a bottom bearing, the bottom bearing is arranged on a site for stirring, the stirring shell is arranged on the bottom bearing, the bottom of the stirring shell is fixedly connected with the bottom bearing, the upper stirring mechanism, the lower stirring mechanism and the bottom bearing are sequentially installed from top to bottom, the upper stirring mechanism and the lower stirring mechanism are arranged in the stirring shell, and the bottom bearing is fixedly connected with the stirring shell. The motor is mounted at the upper end of the upper stirring mechanism and is positioned outside the upper end of the stirring shell. The non-core shaft is adopted, the pole climbing effect under working of a high-viscosity system is eliminated, and good adaptability is achieved; the design of the upper stirring paddle improves the mixing effect in the tank, and the design of the lower stirring paddle avoids wall surface adhesion and discharge deposition of a high-viscosity mixture; the device further has the advantages of being convenient to disassemble and replace and high in equipment strength.

The utility model relates to the technical field of double-planet stirring machines, in particular to a double-planet stirring machine with a novel kettle top structure, which comprises a shell, a machine base fixedly connected inside the shell and a four-shaft stirring group arranged on the machine base, and a partition plate assembly is arranged on the four-shaft stirring group. The partition plate assembly comprises a first partition plate fixedly connected to the machine base, second partition plates fixedly connected to the two opposite sides of the first partition plate and third partition plates fixedly connected to the other two sides of the first partition plate. The partition plate assembly is arranged on the four-shaft stirring group in a sleeving manner; the slurry stirring machine has the beneficial effects that in actual use, the partition plate I, the partition plate II and the partition plate III form a complete plane, namely, the bottom of the machine base is shielded through the partition plate assembly, slurry is splashed up and then is attached to the partition plate assembly during stirring, and the adhesion condition of the slurry is relieved through the planar partition plate assembly; and after the slurry is adhered, the slurry is convenient to clean, so that the phenomenon that the slurry is difficult to clean and forms a dry material is avoided.

The invention discloses a chromium-containing crucible and a preparation method thereof, and the chromium-containing crucible comprises the following raw material components in percentage by mass: 23-26% of white corundum; 29 to 31% of mullite; 13-15% of aluminum oxide; 1-3% of silica powder; 19 to 21% of tabular corundum; 5-7% of chromium oxide; 0.5 to 1.5 percent of an additive; the chromium-containing crucible prepared by the invention is longer in service life, and the service life of the chromium-containing crucible can be prolonged to 45 or more than 45 from the original 30; chromium oxide is introduced and the raw material ratio is optimized, so that the density of the crucible is remarkably improved, molten metal bonding is effectively prevented, and slag bonding is less during smelting; the bonding strength between the slag and the crucible wall is lower, and the slag is easier to clean.

The invention discloses a stripping method of regenerated UHPC (Ultra High Performance Concrete) steel fibers. The strength of a regenerated UHPC matrix is obtained; calcining the regenerated UHPC in a high-temperature furnace; wherein the calcination temperature and time are determined according to the strength of the regenerated UHPC matrix; soaking the calcined regenerated UHPC in a NaCl-white sugar mixed aqueous solution, freezing, drying, and calcining in a high-temperature furnace; n is greater than or equal to 2 and less than or equal to 5; carrying out ball-milling crushing on the recycled UHPC subjected to circulating calcination and freezing by adopting a ball mill; carrying out acidolysis on the crushed regenerated UHPC, and then cleaning and drying to obtain a mixed material; the mixed material is screened in a high-frequency vibration mode, then magnetic separation is conducted, and regenerated UHPC steel fibers are obtained; according to the method, the steel fibers are separated from the mixed material in a calcining-freezing cycle treatment mode in combination with ball-milling crushing, acidolysis, high-frequency vibration and magnetic separation modes, the separation efficiency can reach 95% or above, and the integrity of 80% or above of the steel fibers can be kept.

The application belongs to the field of solar cells. A gap film and a photovoltaic module are provided. The gap film comprises a bonding layer, an insulating layer, a first metal reflection layer, a first reflection structure, a support body and a second metal reflection layer which are sequentially stacked. The gap film of the application effectively improves the front power gain of the photovoltaic module, and has good long-term reliability.

The utility model discloses a waterproof removable foam double faced adhesive tape. Comprising a PET base material layer, a first common acrylic acid adhesive layer arranged on the upper end face of the PET base material layer, a second common acrylic acid adhesive layer arranged on the lower end face of the PET base material layer, a first PE foam layer arranged on the upper end face of the first common acrylic acid adhesive layer and a second PE foam layer arranged on the lower end face of the second common acrylic acid adhesive layer. The high-temperature visbreaking acrylic acid adhesive is arranged on the upper end face of the first PE foam layer, the high-temperature high-viscosity acrylic acid adhesive layer is arranged on the lower end face of the second PE foam layer, the first release film is arranged on the upper end face of the high-temperature visbreaking acrylic acid adhesive layer, and the second release film is arranged on the lower end face of the high-temperature high-viscosity acrylic acid adhesive layer. The first PE foam layer and the second PE foam layer are both closed-cell foam. The high-temperature visbreaking acrylic adhesive has the advantages that the adhesive force is reduced at high temperature, and the high-temperature visbreaking acrylic adhesive can be easily removed during repair. The first PE foam layer and the second PE foam layer are both closed-cell foam, and the waterproof, impact-resistant, corrosion-resistant and strong-adhesion effects can be achieved.

The invention relates to the technical field of candy packaging, and specifically discloses an automatic detection, grasping and packaging device for candy product production, comprising a dividing mechanism, a mounting frame, a feeding mechanism, a grasping mechanism and an intermittent conveying mechanism, wherein a conveying frame is provided on one side of the intermittent conveying mechanism, and a tank conveyor belt is installed on the conveying frame; an input mechanism is provided on one side of the dividing mechanism, the dividing mechanism comprises a base and a protective sleeve installed on the top of the base, a rotatable conical cover is installed in the protective sleeve, a buffer mechanism is connected to one side of the input mechanism, a rotating part is provided in the base, and a center rod is connected to the center of the top of the conical cover; in the present invention, the input mechanism can convey the produced candies, and then the candies can be input into the dividing mechanism through the buffer mechanism, and during the rotation of the conical cover, the candies entering the dividing mechanism can be evenly distributed, and the setting of the condensing part can reduce the heat on the surface of the candies and reduce the adhesion of the candies during transportation, and then the candies can be orderly transported from the discharging part to the feeding mechanism.

The cross-shaped pipe pulling device comprises a hydraulic device and a pipe pulling frame, the hydraulic device is used for providing pulling force, the pipe pulling frame is provided with four through holes or opening grooves used for detachably and fixedly installing a mold, and the center connecting lines of every two opposite through holes or opening grooves are distributed in a cross shape. By means of the distributed cross-shaped mold layout, compared with an existing barrel-shaped steel mold, the self weight of a single mold and the bonding force between the single mold and initial set concrete are obviously reduced, the needed pulling force is obviously reduced, and a smaller hydraulic device can be adopted for pulling; the probability that the mold cannot be pulled out or even is damaged due to the fact that the adhesive force between the mold and the node pile initial set concrete is too large in the pulling-out process is greatly reduced.

The invention relates to the technical field of soil improvement, and discloses a garden soil composite improver and a preparation method thereof. The soil composite improver comprises, by weight, 12-15 parts of fermented organic fertilizer, 9-20 parts of modified water-retaining adsorbent, 24-30 parts of biochar, 5-8 parts of plant ash, and 1.2-2 parts of a microbial mixture. The soil composite improver has good adsorption to heavy metal ions, can effectively remove heavy metal ions in the soil, and has excellent fertilizer and water retention, and can maintain the nutrients in the soil for a long time. It has excellent air permeability and water retention, can keep the soil loose and moist, improve soil compaction, improve soil air permeability and soil activity, provide necessary air and water for the growth of plant roots, and each component complements and promotes each other, synergizes and enhances efficiency, and can effectively improve the quality of garden soil.

This utility model relates to the field of overload protection technology for mechanical equipment, and discloses an overload protection device for coal mining machinery. The device includes a housing, with a first motor fixedly connected to the outer wall of the housing. An eccentric circle is fixedly arranged at the output end of the first motor. A first connecting column is rotatably connected to the outer wall of the eccentric circle. A rotating block is rotatably connected to the outer wall of the first connecting column. A connecting block is rotatably connected to the outer wall of the rotating block. A limiting rod is rotatably connected to the inner wall of the rotating block. Both ends of the limiting rod are fixedly connected to the inner wall of the housing. In this utility model, turning on the first motor drives the eccentric circle to rotate, which in turn moves the first connecting column. The first connecting column, through the rotating block, drives the connecting block to move. The connecting block, in turn, causes the limiting plate to move under the constraint of the supporting column, thereby causing the supporting frame and the internal filter screen to vibrate. This achieves the effects of reducing wet coal adhesion, screening coal to remove impurities, and preventing overload during transportation.

The utility model discloses a kind of local printing device of shoe sole, including base, bracket is equipped on base, platform is equipped on bracket, drive part is equipped on platform, drive part end is connected with printing assembly and penetrates platform, printing assembly includes lower pressing plate, lower pressing plate is slidably connected with abutting plate, recess is equipped on abutting plate upper end and recess is equipped with through-hole corresponding printing position, heating plate is equipped in recess and heating plate and recess bottom are equipped with elastic element, printing is equipped with printing and printing protrusion passes through through-hole in heating plate corresponding through-hole, when printing, printing protrusion protrudes abutting plate lower end surface, protrusion length is the printing thickness required by shoe sole, the setting of printing assembly can accelerate the separation of printing protrusion and shoe sole, reduce the bonding of shoe sole and printing protrusion, avoid the problem of poor printing quality, printing protrusion can also be stored in abutting plate, avoid the problem of scalding caused by printing worker operation error touch.

The invention relates to the technical field of rotary kilns, and discloses a waste rotary kiln incinerator with a moisture extrusion function, the waste rotary kiln incinerator comprises a kiln body, and a transmission mechanism extending to the outer side of the kiln body is arranged in the kiln body. Through the arrangement of the pressing wheel, the pressing wheel can rotate and extrude wet materials, meanwhile, under the cooperation of the reset spring, the arc-shaped outer wall of the pressing wheel can be tightly attached to the materials, moisture in the wet materials can be extruded, the moisture in the wet materials is reduced, and therefore the humidity in the kiln body is reduced; due to the reduction of the humidity, the bonding phenomenon of the materials in the kiln can be reduced, and the materials can flow in the kiln more smoothly. Therefore, the problems of material accumulation and blockage in the kiln can be reduced, meanwhile, heat released in the combustion process is increased, the calcination temperature in the kiln body is increased, the materials can reach the required chemical reaction temperature more quickly, the calcination process is accelerated, and the production efficiency is improved.

The invention discloses a preparation device of a positive pole piece of an all-solid-state battery, and relates to the technical field of battery production, the preparation device comprises a box body, one end of the box body is provided with a first L-shaped plate, and the top of the first L-shaped plate is provided with a pole piece unwinding mechanism; a second L-shaped plate is mounted at the other end of the first L-shaped plate, and a pole piece winding mechanism is mounted at the top of the second L-shaped plate; limiting conveying rollers are installed at the bottom end in the box body at equal intervals. According to the invention, the thin film is wound on the outer wall of the pressing roller, when the pole piece passes through the pressing roller, the infiltrated pole piece can adhere the thin film to the surface of the pole piece, and the arranged thin film can limit a solution adhered to the outer surface of the pole piece, so that the condition that some solutions drop in the transportation process of the pole piece is avoided; and in the process that the film is transported along with the pole piece, the thickness of the film wound on the outer walls of the pressing rollers is gradually reduced, at the moment, the two pressing rollers are close to each other through the arranged springs and can always keep in contact with the surface of the pole piece, and the situation that the film cannot be adhered to the pole piece is avoided.

The present application relates to the technical field of waste treatment, and in particular to a green construction system for civil engineering, which includes a bracket, a rotating ring and a driving unit are provided on the bracket, a plurality of screen cylinders are provided on the surface of the rotating ring, a spiral blade is provided on the inner wall of the screen cylinder, a swing unit is provided inside the innermost screen cylinder and between every two adjacent screen cylinders, a percussion hammer and a magnetic block are provided on the swing unit; an elastic unit is provided on the outer side of each screen cylinder. During the rotation of the screen cylinder, waste of different specifications will be stored in the corresponding screen cylinder, and the screen cylinder will discharge the waste inside it through the spiral blade, thereby realizing the rapid classification and collection of waste of different specifications; when the screen hole of the screen cylinder rotates to the elastic unit, the magnetic block will swing to the elastic unit, and the magnetic block will suck the telescopic end of the elastic unit into the entire row of screen holes, and the telescopic end of the elastic unit will slide in the screen hole, thereby realizing the automatic dredging of the screen cylinder. The present application can improve the screening effect and screening efficiency of waste.

The invention discloses a vacuum electrode induction melting double-flow gas atomization metal powder device, the technical solution of which includes a melting chamber and an atomization chamber, the melting chamber is located above the atomization chamber, and the melting chamber is connected to the atomization chamber, the melting chamber includes an induction coil, an atomization nozzle and a vertically arranged metal rod, the atomization chamber includes a shell, the shell top wall is arranged as a double-layer cavity structure, the upper end of the shell top wall is provided with a high-pressure air inlet, the lower surface of the top wall is provided with a plurality of air outlets, the air outlets are extended from the center of the top wall to the edge so as to be arranged in a long strip shape, and the plurality of air outlets are evenly distributed in an annular shape along the central axis of the shell; the lower end of the atomization chamber is provided with a collection tank and a gas recovery device, and the collection tank and the gas recovery device are both connected to the shell. The device can be used to prepare fine spherical metal powders, and can reduce the "satellite powder" phenomenon, which is conducive to improving the fluidity of metal powders.

The invention relates to the technical field of polyurethane adhesives, in particular to a dispersing agent of a polyurethane adhesive (MDI) for producing and processing wood artificial boards and application of the dispersing agent, and the dispersing agent comprises water and a surfactant dispersed in the water. The polyurethane adhesive dispersing and diluting agent is used in cooperation with a polyurethane adhesive, the polyurethane adhesive is dispersed and diluted, the use amount of the polyurethane adhesive can be reduced, and meanwhile the coating uniformity of the polyurethane adhesive is improved.

The utility model discloses a kind of clean vegetable processing cutting device, it is related to clean vegetable processing technical field, including conveyer belt, conveying table, the conveyer belt one end is provided with conveying table, each corner at conveyer belt and conveying table bottom is uniformly fixedly connected with support leg, conveying table upper end surface is rotatably connected with threaded rod and threaded rod outer wall is threadedly connected with threaded sleeve, threaded sleeve upper end surface is fixedly connected with the vegetable feeding plate, conveying table left and right two ends are fixedly connected with extension plate, extension plate upper end surface is fixedly connected with support rod, fixedly connected with main plate between two groups of support rods, main plate upper end surface is provided with pressing mechanism and cutting mechanism, by the coordinated work of cam, reciprocating plate, sliding sleeve and the like structure, the automatic cutting of vegetable is realized, and reset is completed after each cutting, ensure the continuous operation and efficient production of equipment, after cutting, automatic trigger is achieved by the operation of plate, and the design of slanting end of plate can more effectively successfully push the cut vegetable into conveyer belt.