28results about How to "Quick recycling" patented technology

The invention relates to a manganese zinc ferrite composite magnetic catalyst and a preparation method thereof. The preparation method comprises the following steps: adding manganese nitrate, zinc nitrate and ferric nitrate into deionized water to form a metal ion solution; the preparation method comprises the following steps: adding ethylenediaminetetraacetic acid into a metal ion solution to form sol, performing heating dehydration treatment, grinding, and performing heat treatment to obtain manganese zinc ferrite nanoparticles; dissolving calcium nitrate, indium nitrate and thioacetamide in deionized water, then adding the manganese zinc ferrite nanoparticles to obtain a suspension of a reaction mixture, carrying out hydrothermal reaction, and carrying out subsequent extraction treatment to obtain the manganese zinc ferrite composite magnetic catalyst. The composite magnetic catalyst is prepared by utilizing a two-step hydrothermal method, the photocatalytic performance of the composite magnetic catalyst is remarkably improved, and the composite magnetic catalyst can be quickly and completely recycled through magnet adsorption, so that the photocatalytic performance of a single catalyst is improved, and quick recycling and cyclic utilization of the photocatalyst are realized; and the application cost of photocatalysis is reduced.

The utility model relates to the technical field of aluminum alloy hub manufacturing, and discloses a hub cleaning and filtering device which comprises a frame body, a filtering frame is arranged on the frame body corresponding to a circulating water recovery tank, a filter screen lining plate of a hollow structure is arranged at the bottom of the filtering frame, a long-strip-shaped drawable filter screen covers the filter screen lining plate, and the filter screen is arranged on the frame body. And the two ends of the filter screen in the length direction respectively extend out of the outer edge of the filter frame. According to the utility model, the drawable filter screen is arranged, so that the filter screen can be quickly replaced by drawing the filter screen when the blockage condition occurs, the trouble of frequently stopping the machine to disassemble the filter screen for cleaning or replacing is avoided, the labor intensity of operators is reduced, and the continuity and stability of the production process are ensured; due to the arrangement of the filtering reel, continuous and stable supply of the filter screen is ensured, and the flatness of the filter screen is kept; and the winding roller is arranged, so that the dirty filter screen can be quickly recycled, and meanwhile, the clean filter screen is pulled for smooth position covering.

The present invention discloses a temperature-controlled cotton filling machine and a cotton dust recovery device and a temperature control method thereof, comprising a machine body, wherein a cotton storage bin is provided in the middle part of the machine body, a recovery bin is provided below the cotton storage bin, a connecting port is provided between the cotton storage bin and the recovery bin, and a hot air blowing mechanism is provided below the recovery bin, a cotton filling mechanism and a cotton loosening mechanism are provided in the cotton storage bin, and the machine body is also provided with a temperature control mechanism, which performs temperature difference and humidity detection in the cotton storage bin to perform cotton filling, and combines the hot air blowing mechanism, the temperature sensor, the cotton loosening mechanism and the recovery bin to loosen the cotton and recover the cotton and blow it into the cotton storage bin, so as to prevent the cotton from floating in the air or falling on the ground during cotton filling, thereby realizing a simple structure integrating environmental protection, drying temperature regulation and cotton filling, improving the intelligence of equipment use, effectively controlling temperature and humidity, and realizing a multi-functional cotton dust recovery device.

The utility model relates to the technical field of marinated product production equipment, and discloses a turnover marinated product boiling jacketed kettle which comprises a kettle body and a material storage assembly, the outer side of the pot body is rotationally installed on the pot frame, the overturning assembly is installed on the pot frame, and the material storage assembly is arranged in the pot body. Compared with the prior art, the pot has the advantages that when brine is boiled, seasoning is contained in the box body, the whole box body is of the cross-shaped structure coaxial with the pot body, the contact area of the seasoning and marinade can be increased after the seasoning is placed in the box body, the mixing effect of the seasoning and the brine is improved, the box body can rotate in the pot body, and therefore the seasoning can be conveniently boiled. When brine is stirred by a stirring machine, the box body can be driven to synchronously rotate so as to improve the mixing effect of seasoning, the box body is quickly taken out after cooking is completed so as to recycle the seasoning, operation is convenient, the seasoning can be quickly placed and recycled while the fragrance of the brine can be guaranteed, the processing procedure is saved, and the cooking efficiency is improved.

The invention relates to the technical field of switching devices, in particular to a plug switching device for a charging pile electromagnetic compatibility test, which comprises a charging pile electromagnetic compatibility tester and a plug switching mechanism, and is characterized in that the plug switching mechanism is mounted on the inner side of the charging pile electromagnetic compatibility tester; the plug switching mechanism is formed by combining a switching base, a jack and a jack top cover. Through the plug switching mechanism, switching of the oil gun at the output end of the charging pile is integrally realized, correct connection and signal transmission between the charging pile and test equipment are ensured, the test process is simplified, through cooperation of the movable mechanism, it is ensured that the compensation plate conveniently extends out and hides, the oil gun is prevented from falling off when extending out, and the service life of the oil gun is prolonged. The auxiliary heat dissipation in the test process is met; and the compensation plate can be quickly recovered when the plug switching mechanism is idle, gap compensation at the accommodating groove is satisfied, the sealing of the whole plug switching mechanism in idle is ensured, the intervention of external dust is prevented, and the service life is prolonged.

The invention discloses an anti-impact downhole packer for perforation, and particularly relates to the field of oil and gas well development. A limiting sliding sleeve, a disc spring and a damping rubber cylinder are arranged on the damping mechanism; a centralizing mechanism is arranged at the upper end of the damping mechanism and consists of a centralizer, a spring piece and a centralizer friction plate; a deblocking mechanism is arranged in the righting mechanism and consists of a lower mandrel and a track transfer ring; the setting mechanism is arranged at the upper end of the righting mechanism, the two mechanisms are connected through the orbital transfer ring, and the setting mechanism is provided with an open hoop, a clamping sliding sleeve and a slip; a sealing mechanism is arranged at the upper end of the setting mechanism and consists of two rubber sleeves, and a top shoe and a bottom shoe are arranged above and below the rubber sleeves; an anchoring mechanism is arranged at the upper end of the sealing mechanism, and a hydraulic anchor slip and an elastic limiting structure are arranged at the upper end of the sealing mechanism; when facing underground perforation, the anti-impact underground packer for perforation can be automatically started, the influence of high-strength vibration and impact generated by underground perforation on the performance of the packer is prevented, the setting efficiency of the packer is improved, and the drilling cost is reduced.

The utility model discloses a waste recovery device for sealant production. The waste recovery device comprises a screening box, a cleaning box, a drying box and a crushing box, a first screening assembly, a second screening assembly and a third screening assembly which are all connected with a first conveying belt are arranged in the screening box, and the end of the first conveying belt communicates with the cleaning box. Material receiving basins are arranged at the positions, close to the conveying belt, in the cleaning box, a cleaning assembly is arranged at the top of the cleaning box and used for spraying and cleaning the material receiving basins, and the other ends of the material receiving basins communicate with the drying box. Second conveying belts are arranged at the positions, corresponding to the material receiving basins, in the drying box, the other ends of the second conveying belts communicate with a material crushing box, a material crushing assembly is arranged in the material crushing box and used for receiving and crushing waste materials conveyed by the second conveying belts, and a third conveying belt is arranged in the material crushing assembly. And the other end of the third conveyor belt extends out of the crushing box and is connected with a heating smelting furnace. According to the utility model, the waste recovery efficiency in sealant production and the subsequent waste recovery and extraction efficiency can be improved.

The utility model discloses an electro-coppering wastewater treatment device which comprises an assembly body, a treatment chamber, a feeding hopper, a motor, a stirring rod, a separation device and an electric valve. According to the utility model, the integrated separating device is arranged, so that the separation of clear water and floccules is realized when the treated electroplating copper wastewater in the treatment chamber is discharged, the functionality of the copper wastewater treatment device is improved, the integration of copper wastewater treatment and separation is realized, and the treatment efficiency of the electroplating copper wastewater is further improved; according to the invention, clear water and floccules are conveniently and rapidly recycled, the supporting piece is arranged, so that the filter barrel is convenient to mount and dismount, the filter barrel is driven to move leftwards, so that the mixed liquid discharged from the treatment chamber is conveniently received, filtered and separated, the filter barrel is conveniently and rapidly taken out, the floccules in the filter barrel are taken out and recycled, and the convenience of floccule recycling is improved.

The present invention discloses a frame material plating device and method for a fan filter unit, which relates to the technical field of fan filter production and processing, and comprises a shell, wherein a shielding and limiting mechanism and a zinc layer plating mechanism are sequentially arranged on the inner side of the shell from top to bottom, a driving mechanism is arranged on the inner top of the shell, a bearing centrifugal mechanism is arranged on the bottom of the driving mechanism, and a trigger mechanism is arranged on the bottom of the bearing centrifugal mechanism. The present invention has a high degree of automation, and can more quickly recycle the residual zinc plating liquid on the surface of the frame material, improve the zinc layer plating efficiency of the frame material, and is more suitable for the industrial production of fan filters. In addition, the recovery effect of the zinc plating liquid is more ideal, and the zinc layer plating cost is reduced while avoiding the adverse effects on the subsequent processing of the frame material caused by the residual zinc plating liquid.

The utility model discloses a lower support formwork structure for an atrium cover plate, which comprises a bottom plate and the atrium cover plate, a mounting hole is formed in the center of the atrium cover plate, a cross beam I-beam is arranged in the mounting hole, two ends of the cross beam I-beam are fixed on the inner wall of the mounting hole through a first connecting component, and a support component is arranged between the bottom plate and the atrium cover plate. The supporting assembly comprises first supporting I-shaped steel, the first supporting I-shaped steel is obliquely arranged, the two ends of the first supporting I-shaped steel are fixed to the cross beam I-shaped steel and the bottom plate through second connecting assemblies correspondingly, and second supporting I-shaped steel is arranged on the outer side of the first supporting I-shaped steel. The two ends of the second supporting I-shaped steel are fixed to the atrium cover plate and the bottom plate through second connecting assemblies correspondingly. The triangular supporting structure is adopted, the supporting stability is improved, mounting and dismounting are convenient, the working efficiency is greatly improved, all the structures can be rapidly recycled after each time of dismounting, and the construction cost is greatly reduced.

The utility model discloses a reusable underground goaf filling hole casing pipe which comprises a filling hole dug in an upper rock mass of an underground goaf and a casing pipe penetrating through the filling hole, a rubber sleeve is arranged outside the casing pipe, the two ends of the rubber sleeve are fixedly connected with the casing pipe, an air cavity is formed between the rubber sleeve and the casing pipe, and the air cavity is communicated with the filling hole. A ventilation component is arranged on the sleeve or the rubber sleeve in a penetrating mode, one end of the ventilation component is arranged in the air cavity, the other end of the ventilation component is arranged on the contactable outer portion, and the ventilation component is a valve core. The rubber sleeve is arranged outside the filling sleeve, the air cavity with the variable size is formed between the rubber sleeve and the sleeve, expansion and retraction of the rubber sleeve are driven by the air cavity, filling of a gap between the sleeve and a filling hole and rapid recovery of the sleeve are achieved, and the device has the advantages of being simple in structure, high in operation convenience, high in filling efficiency, capable of being repeatedly used, low in cost and the like. And the mining cost can be reduced.

The invention relates to the technical field of wire clamping devices, in particular to a pair of special recycling pliers for a single-hand-operated wire clamping device, which comprises an external assembly, a supporting rod, a fixed shell arranged above the supporting rod, a connecting shell arranged at one end of the fixed shell, a chuck arranged on the inner side of the connecting shell, and a driving assembly, comprising a battery pack arranged on the inner side of the fixed shell and a control panel arranged on the inner side of the fixed shell. The external assembly further comprises an annular shell arranged below the supporting rod, and the supporting rod is in a cylindrical shape. By means of the special design, an operator can recycle the wire clamping device more quickly and conveniently, the working efficiency is greatly improved, compared with a traditional two-hand operation recycling tool and a single-hand operation wire clamping device special recycling clamp, the operation steps and time can be reduced, and especially under the conditions of emergency repair or high-altitude operation and the like, the wire clamping device can be recycled more quickly and conveniently. The method has obvious advantages.

The invention relates to the technical field of energy-saving and environment-friendly building construction dust removal, and discloses an energy-saving and environment-friendly building construction dust removal device and a dust removal method thereof.The energy-saving and environment-friendly building construction dust removal device comprises a sewage tank body, and a plurality of supporting legs are fixedly connected to the bottom of the sewage tank body. When the dust removal device is used, firstly, a water inlet pipe is connected with an external water supply pipe, then a driving motor is started, the output end of the driving motor drives a bevel gear I on an output rotating shaft to rotate, the bevel gear I rotates to drive an air draft shaft I on a bevel gear II to rotate, and the air draft shaft I rotates to drive an air draft shaft II at the other end of an air draft belt to rotate; the second air draft shaft rotates to drive air draft fan blades to rotate, and the air draft fan blades rotate to enable air with a large amount of dust to enter the dust removal box through an air inlet barrel; the output rotating shaft rotates to drive the water tank to rotate, the water tank rotates to drive a plurality of dust removal nozzles at the bottom of the water tank to rotate, and external dust-containing air is sucked into a dust removal cavity in the dust removal box through an air draft mechanism.

The utility model provides cleaning agent recovery equipment with a multi-stage distillation purification function, which relates to the technical field of cleaning agent recovery and comprises a first-stage distillation tower, a condenser arranged at the top of the first-stage distillation tower, a feed port arranged at the top of the first-stage distillation tower, a connecting pipe arranged on one side of the condenser, a steam channel arranged on one side of a thermal insulation layer, and a second-stage distillation tower arranged on the other side of the thermal insulation layer. The second-stage distillation tower is arranged on one side of the first-stage distillation tower, the third-stage distillation tower is arranged on one side of the first-stage distillation tower, the feeding pipe is arranged on one side of the third-stage distillation tower, and the first-stage distillation tower, the second-stage distillation tower and the third-stage distillation tower are used in turn, so that a cleaning agent can be distilled and purified for multiple times; impurities and dirt in the cleaning agent are effectively removed, and the purity of the recycled cleaning agent is improved. Compared with single-stage distillation equipment, the multi-stage distillation equipment disclosed by the utility model can meet the use scene with a higher purity requirement, the application range of the recovered cleaning agent is expanded, and meanwhile, the multi-stage distillation towers are used in turn, so that the cleaning agent can be distilled and purified for multiple times.

The invention relates to the technical field of building waste residue recycling, in particular to a classified treatment device for recycling building solid waste, which comprises a base, a water tank is fixedly mounted on the front side of the upper end face of the base and used for soaking and cleaning recycled building waste, and a top plate with a circular ring in the middle is placed on the upper end face of the water tank. When the friction plate rotates, on one hand, recycled building waste falling into the cleaning tank can be subjected to friction cleaning, cleaning water can be recycled for dust falling, and on the other hand, the waste can be moved out of the cleaning tank, so that the waste can be recycled, and the cleaning efficiency is improved. And the size of the sorting opening between the regulation and control plate and the fixed plate is regulated, and when the sorting box slides left and right, the regulated and controlled sorting openings in the two sides of the sorting box can sort the cleaned and compressed recycled building waste into two different sizes according to requirements, so that the recycled building waste can be recycled.

The utility model relates to the technical field of post-forging heat treatment of steel forgings, in particular to a receiving device for post-forging heat treatment of steel forgings, which comprises a shell and a cooling component, the cooling component is fixedly connected to the inner side of the shell, a water storage component is fixedly connected to the inner side of the lower end of the shell, and a water delivery component is slidably connected to the inner side of the water storage component. The inner side of the water conveying assembly is connected with a water pressing assembly in a sliding mode, the left side of the water storage assembly is fixedly connected with a cold water assembly, the upper end of the cold water assembly is fixedly connected with a water dispersing assembly, and an operation opening is formed in the inner side of the left end of the shell. According to the heat treatment device for the steel forgings, cooling water can make uniform contact with the steel forgings, so that the heat treatment effect of the steel forgings is improved, meanwhile, water obtained after heat treatment can be rapidly cooled, the cooled water is filtered, the water enters the lower shell again, the cyclic utilization effect is achieved, and waste of water resources is reduced.

The invention discloses a stable-quality ITO (indium tin oxide) powder homogenizing device, which relates to the technical field of ITO powder processing, and comprises a spray drying tower, an auxiliary tower, an ITO slurry stirring tank, a powder tank and a homogenizing and mixing barrel, a negative pressure fan mechanism is arranged at the top of the auxiliary tower, a vacuum pumping machine is connected between the homogenizing and mixing barrel and the powder tank in a matched mode, and the device further comprises a first vibration screening mechanism, a recycling and grinding mechanism and a material supplementing mechanism. The material supplementing bin is arranged to supplement coarse powder or fine powder to mixed powder entering the homogenizing and mixing barrel, the proportion of the coarse powder to the fine powder in the mixed powder is adjusted in time, in the material supplementing process, the powder is guided into the homogenizing and mixing barrel through the transition barrel, uniform mixing is accelerated through stirring of the stirring shaft, and the uniform mixing effect is improved. And meanwhile, the transition barrel slides in a reciprocating manner, so that the supplemented powder can be conveniently dispersed into the homogenizing and mixing barrel, the uniform mixing effect is improved, the uniform distribution of the powder is ensured, and the quality stability of subsequent I TO powder prepared products is ensured.

The star-delta conversion oil-immersed electric pump transformer comprises an organ cover assembly, a transformer body, a base and an oil gas recovery assembly, the organ cover assembly comprises an upper cover plate and an organ cover, and the top of the organ cover is fixedly connected with the edge of the upper cover plate; the oil gas recovery assembly comprises a gas inlet pipe, an oil discharge pipe, an exhaust pipe and an explosion-proof oil tank, the top end of the oil discharge pipe is connected with the side face of the transformer body, a partition plate capable of moving in the axial direction of the oil tank is arranged in the explosion-proof oil tank, and one end of the gas inlet pipe is connected into a hollow screw. The end, connected with the exhaust pipe, of the air inlet pipe is further connected to a nitrogen release pipe of the fire-fighting cabinet. The nitrogen injection and oil discharge system provided by the invention can monitor fire behavior inside and outside a transformer box body, and can act on dangerous cases inside and outside respectively; the insulating oil can be rapidly recycled after being discharged, the oil discharging and exhausting process is isolated from air, the oil can be rapidly cooled, and the oil-lacking operation time of the transformer is shortened.

The invention provides a preparation method of a molecularly imprinted polymer. Compared with the prior art, the mesoporous carbon-coated nano ferroferric oxide prepared by the method is large in specific surface area, rich in pore volume and good in dispersity, compared with a traditional molecularly imprinted material, a thiophene imprinted material synthesized by taking the mesoporous carbon-coated nano ferroferric oxide as a matrix material greatly improves the adsorption capacity and the adsorption rate, and due to the coated magnetic nano ferroferric oxide, the adsorption capacity of the material is greatly improved. Rapid separation can be realized under an external magnetic field, the adsorbent is convenient to recycle, and the service life of the adsorbent is prolonged; in addition, the synthesized thiophene imprinting material can be applied to coking crude benzene with relatively high thiophene content, so that the sulfur content in the crude benzene is reduced, the quality of a benzene product is improved, and the income of the thiophene product is increased.

This invention discloses a prefabricated concrete pavement panel connection structure and construction method. With the development of prefabricated building technology, the application of prefabricated concrete pavement panels in road engineering is becoming increasingly widespread. In this invention, the upper and lower dovetail interlocking steel plates are identical in shape, forming a dovetail shape composed of two symmetrically arranged isosceles trapezoids. After the prefabricated concrete pavement panels one and two are spliced, an upper interlocking groove is formed on the top surface, and a lower interlocking groove is formed on the bottom surface. The upper interlocking steel plate is embedded in the upper interlocking groove; the lower dovetail interlocking steel plate is embedded in the lower dovetail interlocking groove; the upper and lower dovetail interlocking steel plates, and the prefabricated concrete pavement panels one and two are connected by steel plate fasteners; the sides of the prefabricated concrete pavement panels one and two are provided with tongue and groove joints; the tongue and groove joints on the concrete pavement panels one and two are spliced ​​to form grouting grooves; grouting holes are provided on the upper and lower interlocking steel plates. This invention achieves efficient transfer of horizontal and vertical loads on the pavement panels, improves the overall integrity and durability of the structure, and has high construction efficiency.

The utility model discloses a laser machine tool body, which belongs to the technical field of laser machines and comprises a machine tool body, an electric guide rail is mounted at the top of the machine tool body, an electric sliding table is slidably connected to the outer surface of the electric guide rail, a laser head is arranged on the electric sliding table, and a ventilation hole is formed in the top of the machine tool body. A collecting box is fixedly connected to the bottom of the machine tool body, an exhaust pipe is fixedly inserted into the bottom of the collecting box, a supporting frame is welded to the inner surface of the exhaust pipe, and a micro motor is fixedly connected to the bottom of the supporting frame. According to the laser machine tool body, through cooperative use of the machine tool body, the electric guide rail, the electric sliding table, the laser head, an air exchange hole, a collecting box, an exhaust pipe, a supporting frame, a micro motor, a rotating shaft, a fixing column, air draft fan blades and a filter screen, the effects that machined objects are conveniently and rapidly fixed and adsorbed, and meanwhile machining chippings are conveniently recycled and treated are achieved; and through cooperative use of the machine tool body, an electric telescopic rod, a push plate and a cabinet door, the effect of conveniently and rapidly discharging collected dust and impurities is achieved.

The utility model discloses a milling and boring machine lubricating device convenient for waste oil recovery, which comprises a rack, and a mounting rack is fixedly mounted at the top end of the rack. When the milling and boring machine lubricating device facilitating waste oil recovery is used and a workpiece is installed at the top end of a machining table for milling and boring machining, a second valve can be opened to guide out oil in the oil storage tank, the oil is guided out through a bamboo joint pipe to be lubricated and cooled at the workpiece and tool machining position, and used lubricating oil can automatically fall down and flow into an opening, so that the work efficiency is improved. Metal chippings carried in lubricating oil can be filtered and removed through the filter plate arranged at the bottom end of the opening, then the metal chippings flow into the oil collecting tank to be collected, and the oil recycled in the oil collecting tank can be pumped out through the oil pumping pipe by controlling the pump body to be started and rapidly guided into the oil storage tank again through the oil return pipe for lubrication. The problem that lubricating oil used in a device cannot be conveniently and rapidly recycled is solved.

The invention discloses a wireless monitoring device convenient to install, which comprises a camouflage waist bag and a monitor, a main power supply is fixed in the camouflage waist bag, a table body is fixed on the main power supply, a wireless charging transmitting coil is fixed in the table body, the monitor comprises a shell, a mobile monitoring device, a wireless transceiver and a sub power supply, one side of the shell is provided with a bayonet, and the bayonet is connected with the mobile monitoring device. The wireless charging transmitting coil is electrically connected with the main power source, a wireless charging receiving coil is fixed in the side, provided with the bayonet, of the shell and electrically connected with the sub-power source, the movable monitoring device, the wireless transceiver and the sub-power source are all fixed in the shell, and an electromagnet is fixed to the side, away from the bayonet, of the shell. The mobile monitoring device is in wireless communication with a mobile terminal through a wireless transceiver, an iron sheet is installed on the side, provided with the electromagnet, of the shell, a high-strength adhesive is fixed to one side of the iron sheet, and a tearing film is attached to the outer surface of the high-strength adhesive. The device is convenient to carry and fast to disassemble and assemble, and efficient monitoring operation is achieved.

The utility model discloses an oily sludge low-temperature distillation treater which comprises a distillation retort, a heat exchange cylinder is fixed at the top end of an inner cavity of the distillation retort, a sealing cover for sealing the heat exchange cylinder is arranged at the top of the heat exchange cylinder, an electric heating tube communicated into the heat exchange cylinder is fixedly mounted at the bottom end of the sealing cover, an oily sludge inlet is formed in one side of the distillation retort, and an oil sludge outlet is formed in the other side of the distillation retort. A water cooling jacket is fixedly mounted on one side of the distillation retort, a heat preservation jacket is fixedly mounted on the outer side of an oily sludge inlet in a wrapping manner, a steam pipe communicated with the interior of the distillation retort is arranged on one side of the top end of the distillation retort, one side of the steam pipe is communicated with the top end of an inner cavity of the heat preservation jacket, and a heat exchange pipe is fixedly mounted in the water cooling jacket; the bottom end of the inner cavity of the heat insulation sleeve is communicated with the top end of the heat exchange pipe through a pipeline, the bottom end of the heat exchange pipe is connected with a water outlet communicated to the lower part of the bottom end of the water cooling sleeve, and the bottom end of the inner cavity of the distillation retort is communicated with a sludge outlet. According to the device, distillation heat can be utilized, and distilled water can be conveniently recycled.

The invention discloses a frame material plating device and method for a fan filter unit, and relates to the technical field of fan filter production and processing.The frame material plating device comprises a shell, a shielding limiting mechanism and a zinc layer plating mechanism are sequentially arranged on the inner side of the shell from top to bottom, and a driving mechanism is arranged at the top of the inner side of the shell; a bearing centrifugal mechanism is arranged at the bottom end of the driving mechanism, and a triggering mechanism is arranged at the bottom of the bearing centrifugal mechanism. The device is high in automation degree, the residual galvanizing liquid on the surface of the frame material can be recovered and treated more quickly, the zinc layer plating efficiency of the frame material is improved, the device is more suitable for industrial production of fan filters, in addition, the recovery effect of the galvanizing liquid is more ideal, and the production cost is reduced. And the adverse effect on the subsequent processing of the frame material due to the residual zinc plating liquid is avoided while the zinc layer plating cost is reduced.

The utility model discloses a packaging anti-collision device for metal door and window transportation engineering, and relates to the technical field of anti-collision devices, the packaging anti-collision device comprises a first frame, the two sides of the outer wall of the first frame are slidably connected with a group of corresponding second frames, the upper end and the lower end of the outer wall of each second frame are each provided with a group of sliding rails, and the inner center of the first frame is rotatably connected with a power tooth. The upper end and the lower end of the outer wall of each power tooth are each rotationally connected with a set of corresponding racks in a meshed mode through gears, and one end of the outer wall of each rack is fixedly connected with one end of the interior of the second frame. The device can be easily taken down from the outside of the door and window by means of the device, rapid disassembly and cyclic utilization are achieved, in addition, the device can achieve rapid fixing and protection of the door and window through simple operation, the transportation efficiency is greatly improved, and the risk that the door and window is damaged due to vibration or impact in the transportation process is reduced.

The application discloses a hydrophilic convertible ternary eutectic solvent and a preparation method and application thereof, and belongs to the technical field of plant active substance extraction. The hydrophilic convertible ternary eutectic solvent is prepared by taking tetrabutylammonium chloride, dichloroacetic acid and ethylene glycol as raw materials. The eutectic solvent can be used as an extraction reagent to extract polyphenol components in sorghum bran. Compared with traditional extraction reagents, 70% ethanol and 70% methanol, the ternary eutectic solvent greatly improves the yield of polyphenols in sorghum bran.

The utility model relates to the technical field of food processing equipment, in particular to food decal modeling equipment which comprises a dough kneading and pressing mechanism, a conveying mechanism, a modeling mechanism and a material returning mechanism. The dough kneading and pressing mechanism comprises a dough kneading mechanism and a multi-stage dough pressing mechanism, and dough is kneaded by the dough kneading mechanism and then pressed into a dough belt by the multi-stage dough pressing mechanism; the shaping mechanism comprises a first shaping device and a second shaping device, and the first shaping mechanism is matched with the noodle belt; the conveying mechanism is matched with the food, and the second shaping mechanism is arranged above the conveying mechanism and is matched with the food and the flour belt at the same time; the dough belt passing through the shaping mechanism is matched with the material returning mechanism, and the material returning mechanism is matched with the dough kneading mechanism. According to the utility model, the complex decal modeling of food can be realized, and the positive effect on the improvement of the production efficiency is achieved.