29results about How to "Easy to drip" patented technology

This utility model relates to the field of cleaning equipment technology, and in particular to a spectacle lens cleaning device, including a cleaning tank with a double-layer structure. A support plate is movably installed in the upper layer of the cleaning tank, and multiple rows of equidistantly distributed flexible columns are fixed on the surface of the support plate. A lens is vertically placed between adjacent rows of flexible columns. A locking mechanism connected to the support plate is fixed on the outer wall of the cleaning tank, and two sets of drying mechanisms are embedded in the side wall of the cleaning tank. This spectacle lens cleaning device vertically places the lens between the two rows of flexible columns, enabling efficient cleaning of both sides of the lens. It has the advantages of good cleaning effect, and the vertical placement of the lens saves space. Water stains are also more easily dripped off under gravity after cleaning, improving subsequent drying efficiency. Simultaneously, the flexible columns can fix lenses of different sizes, ensuring that the lenses are separated during cleaning and reducing the risk of damage.

The application discloses a liquid seasoning adding device, which belongs to the field of cooking machines. The liquid seasoning adding device comprises a liquid seasoning storage structure, a pump body structure, a liquid conveying pipeline and a dropping assembly. The liquid conveying pipeline is sequentially connected with the liquid seasoning storage structure and the pump body structure, and the liquid outlet end of the liquid conveying pipeline is connected with the dropping assembly. The dropping assembly is arranged above a frying pot body. The dropping assembly comprises a mounting shell, an interface plate and a rotary driving structure. A through groove is formed in the mounting shell, and the through groove is used for butt joint with an opening of the frying pot body. A seasoning adding opening is arranged on the side surface of the mounting shell, and the interface plate is arranged at the seasoning adding opening. The driving structure drives the interface plate to switch positions between the interface plate being located in the through groove and being located outside the through groove.

The utility model provides a marsh gas recovery system in a liquid manure hog house, which relates to the technical field of marsh gas recovery and comprises a shell, a fermentation tank is arranged in the shell, an inlet is arranged on the top surface of the shell, an air outlet pipe and a material guide slope are fixedly mounted on the inner wall of the shell, an air cylinder is arranged on the top surface of the shell, and the air cylinder is connected with the fermentation tank. A closing plate is mounted at the output end of the air cylinder, an inner cavity is formed in the inner side of the closing plate, and a passing plate is slidably connected to the inner wall of the inner cavity. Comprising a shell, a fermentation tank is arranged in the shell, an inlet is formed in the top surface of the shell, an air outlet pipe and a material guide slope are fixedly mounted on the inner wall of the shell, an air cylinder is arranged on the top surface of the shell, a closing plate is mounted at the output end of the air cylinder, and an inner cavity is formed in the inner side of the closing plate; a passing plate is slidably connected to the inner wall of the inner cavity, a passing hole is formed in the top face of the passing plate, and a spring is fixedly installed between the inner wall of the inner cavity and the passing plate.

The utility model relates to the technical field of painting, and discloses a wall painting device for old house renovation, which comprises a vehicle body, a lifting forward-moving assembly is arranged on the outer wall of the vehicle body, a motor is started to drive a reciprocating threaded rod to rotate, so that a limited threaded sliding block drives a flexible connecting rod and a flexible scraping plate to move, and the flexible connecting rod and the flexible scraping plate are driven to move. Further, the tough scraping plate can scrape paint liquid on the outer wall of the fixed scraping plate in the mounting bin and push and gather the paint liquid during displacement, the paint liquid in the mounting bin is prevented from being precipitated and solidified before entering a circulating pipe, meanwhile, the paint liquid accumulated on the outer wall of the fixed scraping plate for a long time can be scraped off, and the paint liquid is prevented from being continuously accumulated and dried on the outer wall of the fixed scraping plate; and when the tough connecting rod moves, the tough connecting rod can be periodically triggered by an arc-shaped rubber block, so that paint liquid attached to the outer wall of the tough scraping plate can better flow into a mounting bin through swinging, and finally, the paint liquid can be effectively collected and recycled.

The utility model belongs to the field of biological pharmacy inspection, particularly relates to a biological inspection device, and aims to solve the problems that although an existing device can be used for stirring detection liquid, the height of a U-shaped placing plate cannot be adjusted in the using process, and when the detection liquid drops into beakers with different sizes, the height of the U-shaped placing plate cannot be adjusted due to the fact that a distance exists between a dropper and the beaker. In order to solve the problem that detection liquid is easy to splash in a beaker in the dripping process and is inconvenient to splash out of the beaker, the utility model provides the following scheme that the device comprises a detection table, a vertical plate is fixedly arranged at the top of the detection table, a fixed plate is fixedly arranged on one side of the vertical plate, and a liquid box for storing the detection liquid is slidably connected to the top of the fixed plate; a liquid adding pipe is fixedly arranged at the top of the liquid box, the concave plate and the beaker can be lifted through the lifting mechanism, detection liquid is prevented from splashing out of the beaker, the dropper can be moved through the moving mechanism, and the detection liquid in the liquid box can conveniently drop into the beaker.

This utility model relates to the field of kitchen scale technology and discloses a waterproof kitchen scale, including a kitchen scale body, a display panel mounted on the surface of the kitchen scale body, a weighing pan mounted on the surface of the kitchen scale body, and a waterproof structure on the surface of the weighing pan. The waterproof structure includes a frame, which is fixedly connected to the arc surface of the weighing pan. The arc surface of the frame is connected to two drain pipes. A filter plate is fixedly connected to the surface of the frame, and the filter holes of the filter plate are connected to the inner wall of the frame. A guide ring is fixedly connected to the inner wall of the frame, and one side of the guide ring has a concave-convex surface. Several cylinders are fixedly connected to the surface of the weighing pan. This kitchen scale, by setting a waterproof structure, facilitates the drainage of water dripping from food, effectively preventing internal electronic components from being damaged by moisture, extending the service life of the equipment, and improving the applicability of the kitchen scale, thereby enabling the weighing of various heavy food items.

The utility model relates to the technical field of milk turnover boxes, in particular to a bagged milk turnover box which comprises an outer box, two first connecting seats are fixed to the outer side of one end of the outer box, two second connecting seats are connected to the outer side of the other end of the outer box in a sliding mode, and a plurality of storage mesh boxes used for containing bagged milk are placed in the outer box. Square rods are connected between the multiple storage mesh boxes in an inserted mode, and the bottom ends of the square rods are fixedly connected with the storage mesh boxes at the corresponding positions. According to the utility model, the plurality of ice bags are placed around the plurality of storage mesh boxes in a surrounding manner to provide a low-temperature storage environment for bagged milk in the storage mesh boxes, and the plurality of L-shaped supporting plates are communicated through the water receiving pipe from top to bottom, so that condensed water contained in the plurality of L-shaped supporting plates can drop onto the lowermost L-shaped supporting plate conveniently; and then the condensed water is collected into the water receiving box at the corresponding position from the round hole III in the L-shaped supporting plate, so that the condensed water is effectively prevented from being in contact with the bagged milk.

The utility model relates to the technical field of air conditioners, in particular to a cabinet air conditioner and an air conditioner, the cabinet air conditioner comprises a machine shell and an air deflector, the machine shell is provided with an air outlet and a groove, the groove is formed in the outer side wall of the machine shell and used for collecting condensate water generated by the outer side wall of the machine shell, the air deflector is rotatably arranged on the machine shell, and the air deflector is arranged on the machine shell and used for collecting condensate water generated by the outer side wall of the machine shell. The air outlet is located at the air outlet and used for adjusting the air outlet direction. According to the cabinet air conditioner, the problem that the user experience is poor due to the fact that condensate water generated on the outer side wall of the machine shell drips can be solved.

The invention discloses filtering and distilling equipment for fine chemical engineering organic synthesis and a using method thereof, and relates to the technical field of chemical engineering filtering and distilling, and the filtering and distilling equipment comprises an objective table, a vertical plate, a sinking table, a distilling flask, a condenser and a recycling cylinder. The first connecting plate and the second connecting plate are sequentially and fixedly arranged in the vertical direction of the vertical plate, the circular grooves are formed in the first connecting plate and the second connecting plate, the supporting assemblies for supporting the funnel are arranged in the circular grooves, and the common driving assembly capable of driving the multiple sets of supporting assemblies to rotate is arranged on the side face of the vertical plate; when a plurality of groups of funnels are placed on the supporting assembly and liquid is slowly and intensively poured to one position of filter paper in the supporting funnels through the liquid guide hopper, the plurality of groups of funnels can be rotated by the public driving assembly, so that the filter paper at all positions in the funnels can be fully utilized, and the problem that the filter paper is in a funnel shape is effectively solved. The surface area of the whole filter paper cannot be fully and effectively utilized by intensively pouring the liquid, so that the filtering effect is influenced.

The invention discloses a daytime water collection device based on passive radiation refrigeration and a hydrophobic effect, and relates to the technical field of water vapor collection. The metal condensation plate with passive radiation refrigeration and the hydrophobic effect is prepared, the metal condensation plate is applied to a daytime water collection device and used for fresh water collection, the excellent hydrophobicity is beneficial for water vapor to form dropwise condensation on the surface, water vapor drips more easily, the water collection rate is increased, and the steam condensation efficiency is improved.

The utility model discloses a ship kitchen gas-collecting hood convenient to maintain, assemble and disassemble, which comprises a gas-collecting hood body, a connecting hood is fixedly mounted at the top of the gas-collecting hood body, a gas suction pipe is fixedly connected to the top end of the connecting hood through a bolt, and an isolation filter screen is movably mounted in the gas-collecting hood body. And a plug board is fixedly mounted on the outer ring of the isolation filter screen. According to the ship kitchen gas-collecting hood convenient to maintain, disassemble and assemble, the isolation filter screen can filter oil fume sucked by the gas-collecting hood body, and the isolation filter screen is connected with the gas-collecting hood body in an inserting mode through the inserting plate and is matched with the positioning mechanism for positioning after installation; and meanwhile, by controlling the positioning mechanism, the isolation filter screen and the inserting plate can be conveniently disassembled, the inserting plate can be conveniently disassembled, a large amount of oil dirt adhering to the isolation filter screen can be conveniently cleaned, and the disassembly, assembly, cleaning and maintenance convenience of the ship kitchen gas-collecting hood is improved.

The utility model relates to a hydrophobic effect tester for an emulsion type nano-silicon anti-cracking permeability-reducing agent, which comprises a base, a placing plate and an adjusting plate are arranged on the base, and the adjusting plate is positioned above the placing plate; the placing plate is used for placing a concrete block, the adjusting plate is provided with a plurality of abutting parts, and the abutting parts are used for abutting the concrete block on the placing plate, so that the fracture surface on the concrete block is in a horizontal state; the adjusting plate is provided with an avoiding groove, and the avoiding groove is located between the multiple abutting parts. The concrete block is fixed and the fracture surface is ensured to be in a horizontal state, so that the accuracy of the hydrophobic effect test of the permeability reducer is improved.

The utility model relates to the technical field of material suction crown blocks, and discloses a material suction device for an electrolysis unit, a material suction crown block body is movably mounted on the inner side of a support frame, a lifting ring is fixedly mounted at the top of the support frame, an external connecting piece is fixedly mounted outside the support frame, and an auxiliary mechanism is arranged outside the support frame. A protection mechanism is arranged outside the supporting frame. By starting an electric push rod, a push block pushes a second connecting plate to move, a first spring is extruded, a sponge and a guide rail are tightly attached conveniently, along with movement of the hanging equipment, under cooperation of the sponge, cleaning work can be conveniently conducted on a supporting frame and the guide rail, stable movement of the hanging equipment is guaranteed, the push block is restored to the original position through repeated operation, and the work efficiency is improved. And a worm is rotated by rotating a rotating wheel, and a rotating block is rotated under the cooperation of a worm wheel, so that a rotating plate can be conveniently rotated, a worker can conveniently pull out a first sliding column from the interior of the rotating plate, and sponge can be conveniently cleaned.

The invention relates to the technical field of waste gas purification, and particularly discloses a waste gas purification device for environmental protection, which comprises a treatment box, four wheels mounted at the bottom of the treatment box, and a purification mechanism used for purifying waste gas, the purification mechanism comprises a cylinder arranged in the treatment box, and the cylinder is arranged in the treatment box; one end of the cylinder communicates with an air inlet pipe, the air inlet pipe rotationally penetrates through the treatment box, a cylinder is fixedly connected to the interior of the cylinder, a spiral piece is fixedly connected to the arc surface of the cylinder, and a medicine pipe is arranged in the treatment box. According to the waste gas treatment device, by arranging the medicine pipe, the spiral piece, the rectangular box and the valve, waste gas can be treated by means of liquid medicine sprayed out of the medicine pipe, under the action of the spiral piece, the contact time of the waste gas and the liquid medicine can be prolonged, and therefore the waste gas treatment effect is improved, activated carbon is placed in the rectangular box, peculiar smell treatment can be conducted on the waste gas treated by the liquid medicine, and the waste gas treatment effect is improved. The waste gas purification capability is improved.

The utility model belongs to the technical field of laboratory rubber-head droppers, and discloses a laboratory rubber-head dropper structure which comprises a tube body, a rubber cap and a tube sleeve, the rubber cap sleeves the top end of the tube body, a group of annular rubber strips are adhered to the outer side of the rubber cap, a memory metal wire is arranged in each annular rubber strip in a penetrating manner, the tube sleeve movably sleeves the tube body, and the tube body is sleeved with the tube sleeve. Supporting rods are fixedly connected to the outer walls of the two sides of the pipe sleeve, and lifting lugs are rotationally connected to the supporting rods. An experimenter can firmly lift the whole dropper by inserting a thumb and an index finger into the two lifting lugs respectively and then pinch the rubber cap in a matched mode, so that the tube body, the tube sleeve, the supporting rod, the lifting lugs and the rubber cap form a firm whole, the stability of the dropper can be improved, and a solution can be better sucked or dripped; by utilizing the elastic recovery performance of the memory metal wire in the annular rubber strip, the rubber cap can be assisted to better recover, so that the suction force of the rubber cap in the recovery process can be improved, and solutions with different densities can be sucked.

The invention relates to the technical field of powder metallurgy product machining equipment, in particular to oiling equipment for powder metallurgy products. Comprising a rack; the outer wall of the oil hydraulic cylinder is fixedly connected with the inner side wall of the rack; the outer wall of the top of the limiting cover is fixedly connected with the output end of the oil hydraulic cylinder; the outer wall of the oil storage tank is fixedly connected with the outer wall of the rack; the outer wall of the placing plate is fixedly connected with the outer wall of the oil storage tank; the outer wall of the screening device is fixedly connected with the outer wall of the oil storage tank; the outer wall of the containing device is slidably connected with the inner wall of the limiting cover, the oil passing efficiency is improved by arranging the screening device, after an air cylinder of the screening device is started, the air cylinder pushes a pushing rod to move, the pushing rod drives a sliding block to slide on an arc-shaped supporting plate, oil liquid for oil passing is stirred, and the oil passing efficiency is improved; and the purpose of oil treatment of the powder metallurgy product is achieved.

The utility model discloses an energy storage cabinet with drainage structure, it includes cabinet main body including frame, the frame top is connected with the top cover through bolt fixation, the top cover top is provided with exhaust component, and the exhaust component includes louver, the fixed frame is welded in the frame inner wall, the fixed frame top is provided with control layer, this kind of energy storage cabinet with drainage structure is provided with air pressure drive flap valve, sets up counterweight and limit stop, when hydrogen accumulation and reach certain air pressure, hydrogen floats and triggers the valve to open, cooperates the gas rectification path formed by louver and air passage, realizes hydrogen directional discharge, secondly, sets up double -layer perforated support plate, and the condensate of energy storage layer is facilitated to convert layer and drop, through having the water collecting tray no.

The utility model discloses a smoke flue roof outlet node structure which comprises a flat roof and an exhaust passage on the flat roof, the exhaust passage is communicated with the smoke flue, a roof composite layer is arranged on the flat roof and comprises a first waterproof roll layer, and the first waterproof roll layer extends upwards at the internal corner of the exhaust passage and penetrates through the roof composite layer. The first waterproof roll layer extends to the outer wall of the exhaust passage and is fixed, the outer wall of the exhaust passage is provided with a protective layer, and the protective layer covers the part, higher than the roof composite layer, of the first waterproof roll layer. The exhaust passage has the advantages that the exhaust passage and the flat roof are integrally poured and formed through concrete, the integrality is good, and the roof load can be effectively controlled; the flat roof adopts a double-layer waterproof measure, the waterproof service life of the roof is effectively prolonged through multi-layer protection, and the leakage risk is reduced.

This utility model discloses a food additive analysis and determination test bench, belonging to the field of food testing technology. It includes a workbench with multiple ring-shaped support rods fixed to the top side of the workbench. A clamp is fixed to the top of each support rod, and the clamp has an internal cavity. A spinning assembly communicating with the cavity is located outside the clamp, and a point clamp assembly is located inside the clamp. This utility model uses the spinning assembly to squeeze a certain amount of liquid into the cavity, thereby hydraulically pushing multiple sets of point clamp assemblies to clamp and limit the test tube inserted inside the clamp at multiple points. This effectively improves the stability of the test tube placement, eliminates the need for manual handling of the test tube for dripping, and facilitates dripping. It can clamp and position test tubes of different sizes and shapes, effectively improving the overall applicability and practicality of the device. Simultaneously, the point clamp assembly provides elastic clamping to the side wall of the test tube, greatly reducing the risk of test tube breakage.

This utility model relates to the field of cold storage equipment technology, specifically to a cold storage unit with an anti-frost structure. It includes a cold storage body, an anti-frost mechanism fixed to the outer wall of the body, extending into the inner wall of the body. The anti-frost mechanism comprises multiple anti-frost plates installed at a certain angle on the inner wall of the body. A spray mechanism is fixed around the outer wall of the body, extending into the inner wall and located at the top of the anti-frost mechanism. This utility model, through the cooperation of the internal components of the anti-frost mechanism, reduces condensation on the inner wall of the cold storage body and facilitates the drainage of water droplets adhering to the interior, thereby reducing frost formation. Furthermore, through the cooperation of the internal components of the spray mechanism, it increases the humidity inside the cold storage body, further reducing the probability of frost formation.

The utility model relates to the technical field of sterilization instrument frame, and disclose a kind of folding high-efficiency sterilization instrument frame for disinfection supply center, including instrument frame, the both ends of pivot are equipped with inner swivel ring, and the both sides of inner swivel ring and on the outer surface of pivot are movably installed outer swivel ring, the outer surface of inner swivel ring is equipped with inner swivel strip, the outer surface of outer swivel ring is equipped with link strip, and one end of inner swivel strip is equipped with collar B, and one end of the outer swivel ring of same side is equipped with collar A, and the upper and lower positions of instrument frame and instrument are disinfected by steam through protective net, the instrument that disinfects is taken out by the side of inner support frame, when disinfecting next batch of instruments, the instrument that has not been disinfected can be placed according to the position of the instrument taken out, fold member is opened, and bend strip is inserted into the inside of external slot, and bend strip and collar B are fixed by screw body, convenient to take and put, and instrument frame itself is detachable, convenient to clean and disinfect instrument frame itself, reduce pollution.

The invention discloses an eyelid opening device, wherein a squeeze ring, a guide groove, an eyelid opening piece, an orbital foot and a drainage port are connected as one body, the eyelid opening piece is an ellipse adapted to the eye contour, a eyelid opening hole larger than the diameter of the eye iris is arranged at the center of the eyelid opening piece, the squeeze ring is arranged on the eyelid opening piece and close to the eyelid opening hole, a guide groove is arranged at the connection between the squeeze ring and the eyelid opening piece, the chord length of one side of the squeeze ring is larger than the diameter of the eyelid opening hole, the chord length of the other side of the squeeze ring is smaller than the diameter of the eyelid opening hole, and drainage ports are arranged at both ends of the long axis of the eyelid opening piece. The invention is used for opening the eyelid in a non-surgical situation, and the eyelid opening device can be directly used to open the eyelid outside the eyelid without touching the patient's cornea; the eyelid opening device is fixed through the eye socket, and the pressure during the fixation can be used to open the eyelid continuously by itself without the need for medical staff or patients to open the eyelid using fingers; the eyelid opening device has a guide groove, and when the patient undergoes eye atomization treatment, condensed water droplets will not flow into the eye; the eyelid opening device has guide ports on both sides to discharge excess liquid in the patient's eye.

The invention provides a gallium particle preparation device. The gallium particle preparation device comprises a box body part; the separation part is arranged in the box body part so as to separate the interior of the box body part into a first cavity and a second cavity, the separation part is provided with a hole channel, the hole channel is communicated between the first cavity and the second cavity, and the position height of the first cavity is higher than that of the second cavity; the pressure regulating part is used for regulating the internal pressure of the box body part, so that the pressure in the first cavity is higher than or equal to the pressure in the second cavity; wherein the first cavity is used for containing liquid gallium, and the second cavity is used for containing cooling liquid. According to the gallium particle preparation device provided by the embodiment of the invention, the preparation difficulty of the gallium particles can be reduced, the preparation efficiency of the gallium particles is improved, and the production cost of the gallium particles is saved.

The invention provides a method for improving the stability of coating liquid supply, which shortens the time from starting a pump to reaching the pressure stable state of the internal pressure of a liquid supply system and slowing down the pressure stable state to normal pressure when the pump is stopped, so as to improve the film thickness uniformity at the coating starting position and the problems of liquid accumulation at the coating tail end and liquid dripping at the coating end position. Liquid in the liquid supply container flows into the coating head through the liquid supply pump and the coating head liquid inlet pipe, a circulation stop valve is arranged at the feeding position of the coating head, the circulation stop valve is immediately opened after coating is finished, so that the liquid is prevented from flowing into the coating head, a liquid return pipe is further arranged on the upper portion of the circulation stop valve, and the liquid return pipe is communicated with the circulation stop valve. A backflow switch valve is arranged at the starting end of the liquid return pipe, the liquid return pipe enables liquid in a liquid inlet pipe of the coating head to flow back into the liquid supply container, a liquid outlet switch valve is further arranged at the liquid inlet end of the circulation stop valve, and the liquid outlet switch valve is used for supplying liquid to the coating head in the open state; the liquid outlet switch valve and the backflow switch valve are not opened at the same time.

The utility model relates to the technical field of granulation machines, and particularly discloses an exhaust device of a granulation machine. The device comprises an air extraction assembly, an air guide pipe, a water collection piece and an air extraction pump which are installed on a housing, the air guide pipe communicates with the outer side of the housing, the end, away from the housing, of the air guide pipe is obliquely arranged downwards, the water collection piece comprises a cooling pipe arranged in the air guide pipe and a water collection barrel arranged at the bottom of the air guide pipe, and the air extraction pump is connected with the bottom end of the air guide pipe. A cold water tank is arranged on the base station and used for adding cold water into the cooling pipe, the water inlet end and the water outlet end of the cooling pipe are both communicated with the cold water tank, and the water collecting barrel is used for collecting liquid formed by condensing gas discharged by the granulator; water vapor generated by extruding particles is pumped out of the housing through the air pump, the water vapor is cooled through the cooling pipe in the air guide pipe and then condensed on the outer wall of the cooling pipe, the water collecting cylinder collects water condensed in the air guide pipe, the water vapor in the circular mold is discharged, and the phenomenon that the particles are cracked by the water vapor after being formed is reduced.

The invention relates to the technical field of composite material hydrostatic pressure testing, and discloses a composite material hydrostatic pressure testing device which comprises a bottom frame and an operation table fixedly connected to the inner side face of the bottom frame. The four supporting legs are fixedly connected to the bottom surface of the bottom frame; the L-shaped plate is fixedly connected to the top surface of the bottom frame; three through holes are formed in the top face of the operation table in a penetrating mode. An identification mechanism is arranged in the bottom frame, and a testing mechanism is arranged on the inner side of the L-shaped plate. The friction force between the glass cylinder and the placing groove is increased through an identification mechanism and a connecting assembly by using an anti-skid pad, the glass cylinder is conveniently and stably placed, and an adjusting assembly drives a supporting plate to move upwards by using a threaded sleeve, so that the glass cylinder moves upwards to the position below a through hole, and water in the through hole is conveniently dripped into the glass cylinder; meanwhile, whether water drops seep or not is judged by judging whether anhydrous cupric sulfate in the glass cylinder changes color or not, so that a tester can observe conveniently, and the accuracy of a hydrostatic pressure test result of the composite material by the device is improved.

The present invention belongs to the technical field of waste gas treatment equipment, specifically a volatile organic compound treatment method and device thereof, comprising a tower body; a first cavity and a second cavity are arranged inside the tower body, an air outlet pipe and an air inlet pipe are respectively arranged at the top and bottom of the first cavity, a liquid outlet pipe and a steam pipe are arranged at the bottom of the second cavity, and a liquid inlet pipe is arranged on the inner wall of the second cavity; an annular groove is arranged between the first cavity and the second cavity, and a ring block is rotatably connected in the annular groove; the present invention can simultaneously complete the adsorption of waste gas and the elution of adsorbent by dividing the tower body into two independent parts, and at the same time, the honeycomb adsorbent rotates with the first rod as the axis, and the angle of the guide plate is adjustable, so that there is no dead angle in the method of removing impurities in the adsorbent by direct gas blowing, avoiding the existence of impurity dead angles at the inner edge of the adsorbent honeycomb eye, which affects the adsorption efficiency and service life of the adsorbent.

The invention discloses a flame-retardant polycarbonate film / sheet and a preparation method thereof, and belongs to the field of high polymer material preparation. The material comprises the following components in parts by weight: 25-89 parts of bisphenol A polycarbonate, 3-15 parts of silicon copolymerized polycarbonate, 5-20 parts of high-temperature polycarbonate, 2-20 parts of a flame retardant, 1-10 parts of a toughening agent and 0-10 parts of other auxiliaries, the high-temperature polycarbonate is obtained by introducing a biphenyl group into bisphenol A polycarbonate. The preparation method comprises the following steps: mixing all the components, carrying out melt extrusion by using a twin-screw extruder at the temperature of 190-320 DEG C to obtain particles, drying the particles at the temperature of 80-125 DEG C, carrying out tape casting extrusion by using a tape casting extruder at the temperature of 190-320 DEG C, cooling on a cold roller at the temperature of 60-150 DEG C, and casting to obtain the flame-retardant polycarbonate film / sheet with the thickness of 25-2000 microns. The product does not contain PFAS substances, accords with the development direction of environmental protection, has the flame retardant property reaching VUL94 V-0 / VTM-0, and can be widely applied to the fields of electronics, electricity, new energy and the like.