58 results about "Metallic debris" patented technology

The invention discloses a refined disassembly system and method for a battery monomer, and belongs to the technical field of battery disassembly. The production line comprises a perforating device, a cutting device, a cutting device, a scattering device, a sorting device, a color sorting device, a defluorination device and a powder removal device. The method comprises the following steps: perforating a battery to discharge electrolyte, separating a shell from an inner core by a cutting device, cutting the inner core by a cutting device, scattering by a scattering device, sorting a diaphragm by a sorting device, sorting positive and negative electrode materials by a color sorting device, and respectively removing fluorine by a defluorination device. And finally, the metal foil and the powder are separated through the powder removing device, the damage degree of the crystal structure of the black powder can be reduced, the black powder and the metal fragments are efficiently separated according to the density difference, the metal foil and the black powder are not likely to be excessively mixed, the separation purity is high, the secondary treatment situation is reduced, efficient separation and recycling of the electrode material are achieved, and the production cost is reduced. And the comprehensive function and the resource utilization rate of the system are obviously improved.

The present application relates to the technical field of nuclear power plant performance testing and discloses a method for assessing the remaining life of a bursting disk in a large-caliber vacuum system of a nuclear power plant, comprising the following steps: S1, obtaining a first sample of a reference bursting disk after a first fatigue test, obtaining a second sample of a bursting disk to be assessed, and performing a bursting test on the first and second samples to obtain a life coefficient; S2, performing a non-metallic material state test on non-metallic debris in the first and second samples after the test, obtaining non-metallic test results of similar non-metallic materials, and obtaining a first remaining life of the bursting disk to be assessed; S3, performing a metallic material state test on metallic debris in the first and second samples after the test to obtain a second remaining life of the bursting disk to be assessed; S4, obtaining a third sample of the bursting disk to be assessed, and performing a second fatigue test to obtain a third remaining life of the bursting disk to be assessed; and S5, obtaining a final remaining life of the bursting disk to be assessed based on the life coefficient, the first, second, and third remaining lives.

The utility model discloses a numerical control hydraulic bending machine's safety shield for wind driven generator accessories, including the protective outer cover, the inner wall sliding connection of protective outer cover has the protective inner cover, the below of protective inner cover is equipped with the support station, both sides of support station all are fixedly connected with the support seat, two the side of mutual approach of support seat all are seted up and have the slide hole, two the inner wall sliding connection of slide hole all has the connecting sliding block, two the side of mutual approach of connecting sliding block all with the outer surface fixed connection of protective outer cover. The utility model discloses through the downward movement of bending upper die that lifting plate drives, can make protective outer cover with connecting sliding block synchronous slide -down together, and will with protective inner cover together in the front of bending upper die, can directly isolate the stamping area with operator, avoid the hand accident of worker finger close to the stamping area and also can intercept the metal fragment that splashes in the processing, prevent the harm of fragment to staff.

The utility model discloses a waste metal recovery device, and relates to the technical field of waste metal treatment. The crushing device comprises a crushing box, the crushing box is a hollow rectangular box body, a feeding hopper is fixedly installed at the top of the crushing box, two crushing rollers are movably installed in the crushing box, two servo motors used for driving the two crushing rollers to rotate are fixedly installed on the rear wall face of the crushing box, and a screen is fixedly installed on the crushing box. The two groups of transmission assemblies respectively drive the two groups of corresponding telescopic rod assemblies to stretch out and draw back, so that the two brushes are in continuous contact with the surfaces of the adjacent crushing rollers, metal fragments attached to the surfaces of the crushing rollers are swept away by the brushes, and the crushing efficiency is further improved. When waste metal is fed into the crushing box through the feeding hopper, the waste metal can be flattened through the flattening assembly, so that the waste metal can pass through the position between the two crushing rollers more easily to be extruded and crushed into metal fragments.

The utility model relates to waste and old metal processing equipment technical field, name is a kind of waste and old metal plate chopping device, including device frame, cutting platform is installed on device frame, gantry is also installed on device frame, the hydraulic cylinder is installed below the gantry, the support plate is installed below the hydraulic cylinder, the cutting knife group formed by the cutting knife of multiple parallel settings is installed below the support plate, the cutting knife has the following blade, the downward operation of hydraulic cylinder, cutting knife can cut waste and old metal plate placed on cutting platform, waste and old metal plate is by rear to front operation on cutting platform;The gantry is two, respectively rear gantry and front gantry, wherein the blade of cutting knife installed below one of gantry is front and back direction, the blade of cutting knife installed below the other gantry is left and right direction. With can make the metal fragment generated more small, satisfy some production requirement's advantage.

The utility model belongs to the technical field of casting and forging machining, and particularly relates to a casting and forging machining hardness detection device which comprises a supporting box, symmetrical supporting plates are fixed to the upper side of the supporting box, a transverse plate is fixed to the upper sides of the symmetrical supporting plates together, an air cylinder is fixed to the lower side of the transverse plate, and a pressing plate is fixed to the lower end of the air cylinder. According to the device, when the hardness of a casting and forging piece is detected by pressing the casting and forging piece through the air cylinder and the pressing plate, the protection plates can be protected at the front end and the rear end of the casting and forging piece, and the casting and forging piece is enclosed by matching with the two supporting plates, so that the protection effect is improved; when some castings and forgings are damaged due to the fact that the castings and forgings cannot bear corresponding pressure, metal fragments or metal particles of the castings and forgings cannot injure surrounding operators accidentally, and use safety is improved.

A gravity clean-off magnetic sweeper apparatus that connects to the front of industrial equipment or industrial vehicles where a bucket would normally go. The magnetic sweeper is lifted off the ground slightly and driven around an area to pick up metal debris. The collected debris is then cleaned off of the bottom of the invention by lifting it with the machine and pivoting it downward. As the magnetic sweeper is pivoted downward, the mass of the magnets, which is greater than its attraction force to the metal debris attached to the pan in between the magnet and the debris, allows the magnet to hang vertically, as the pan is forced away from the magnet. This removes the metal debris away from the magnetic field and allows it to fall from the magnetic sweeper.

The application relates to the application field of metal powder metallurgy technology and discloses a copper-based composite material metal block capable of resisting impact energy and a preparation process and application thereof. The copper-based composite material metal block is used in impact and collision process tests, and impact energy absorption, reduction or elimination is realized by self-pulverization and disintegration. Raw materials of the copper-based composite material capable of resisting impact energy include, in percentage by mass, 1-95% of atomized copper powder, 0-95% of electrolytic copper powder, 1-15% of tin powder, 1-2% of molybdenum disulfide, 0-3% of graphite, 0-7% of phenolic resin, 0-1% of lithium stearate and 0-1% of magnesium stearate. The above raw materials are mixed, secondarily pressed, sintered and electroplated to form the copper-based composite material. When encountering an impacted metal barrier section, the metal block can absorb the counter-impact energy and disintegrate by itself, so that the running speed instantaneously drops to zero, the metal fragment splashing phenomenon does not occur, and the copper-based composite material does not contain lead metal, so that the whole impact and collision process is harmless to the surrounding environment.

The utility model relates to pumping unit hoisting rope tension test technical field discloses a pumping unit hoisting rope tension test device, including experimental device main part, the experimental device main part outer wall is provided with protection subassembly, the experimental device main part bottom fixedly connected with base, the experimental device main part inner wall slidingly connected with hydraulic jack, the experimental device main part inside is provided with clamp, the clamp outer wall is provided with quick detachable subassembly, the protection subassembly includes protection frame and guard board, the protection frame outer wall sets up experimental device main part one side, the guard board outer wall fixedly connected in experimental device main part other side, the experimental device main part outer wall has seted up the clamping groove, in the utility model, by sliding in the clamping groove of L type block inner wall, then presses the handle downwards can fixed to the protection net, can effectively intercept the hoisting rope that may fly around after breaking and the object such as metal fragment produced because of hoisting rope breaking in the moment of hoisting rope taut broken.

The invention discloses a production process of an environment-friendly resin-based composite material drainage pipeline finished product foundation, which comprises the following steps: S1, regeneration treatment: carrying out regeneration treatment on waste plastics, and removing soil and metal fragment impurities by adopting physical methods of cleaning, screening and magnetic separation, meanwhile, oil stains and organic pollutants which are difficult to physically remove are removed through an acid-alkali treatment chemical method; s2, crushing treatment: putting the treated polyethylene waste into a double-shaft shredding machine for coarse crushing; s3, mixing and heating: mixing the polyethylene particles, the fly ash and the additive according to the proportion; s4, high-temperature plasticizing: adding the mixed material into high-temperature plasticizing equipment for plasticizing; and S5, pressure forming. Waste plastic is recycled, resource circulation is achieved, and the environment protection concept is met; complex cast-in-place procedures are avoided, the construction period is shortened, and efficiency is improved; factory production guarantees quality, and pipeline stability is facilitated; and the coal ash is utilized to reduce the cost and reduce the waste residue discharge, and the comprehensive benefit is obvious.

The application provides a compressed air energy storage tank and a manufacturing method thereof, and belongs to the technical field of air energy storage. The application solves the problems of small gas storage capacity, low efficiency and safety hazards of metal tank explosion fragments hurting people, and the like. The application comprises a composite material tank cylinder, tank heads, a gas storage inner tank and air inlet and outlet holes. The tank heads are installed at both ends of the composite material tank cylinder. The gas storage inner tank is arranged in the tank formed by the composite material tank cylinder and the tank heads. The tank heads are provided with the air inlet and outlet holes, a drain valve hole and a safety valve hole. The tank heads are installed in a concrete support pier. The gas storage inner tank is made of plastic or rubber. The application is mainly used for compressed air storage and release.

The utility model relates to the technical field of battery recovery, and discloses efficient hydraulic separation equipment for waste lead-acid battery recovery, which comprises a screening frame, the bottom end of the screening frame is fixedly connected with two collecting cabins, the inner walls of the left and right sides of the collecting cabins are both slidably connected with magnetic suction plates, the front ends of the two magnetic suction plates are fixedly connected with a sliding plate, and the sliding plate is fixedly connected with the bottom end of the screening frame. A fixed rod is fixedly connected to the front end of the sliding plate, a rotating plate is rotatably connected to the outer wall of the fixed rod, a square block is fixedly connected to the front side of the collecting cabin, a square groove is formed in the bottom of the square block, a clamping block is slidably connected to the inner wall of the square groove, and a sliding rod is fixedly connected to the top end of the clamping block. According to the device, equipment blockage or abrasion caused by accumulation of metal fragments is avoided, the service life of the equipment is prolonged, the separated metal fragments and non-metal materials are collected respectively, the heavy metal pollution load of the subsequent water treatment procedure is reduced, and the environment-friendly treatment cost is reduced.

1. The name of the design product: airport runway foreign object detection system detection equipment (FOD). 2. The use of the design product: the main purpose is to monitor, identify and locate foreign objects on the runway (such as metal fragments, stones, tools, etc.). 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. The bottom of the design product is not easy to see or not visible during use, omit the top view.

The present invention relates to a process for manufacturing synthesis gas from a feedstock wherein said feedstock is a sorted shredder residue SSR formed by sorting from a non-sorted shredder residue NSR such as automotive shredder residue (ASR), said non-sorted shredder residue NSR comprising metal fragments and / or non-metallic inorganic fragments, and fragments of at least one polymer. The size of the metal fragments and / or non-metallic inorganic fragments, and fragments of at least one polymer is reduced followed by a separation of the metal fragments and inorganic fragments to obtain the sorted shredder residue SSR. The sorted shredder residue SSR is then subjected to a gasification reaction in at least one plasma gasifier. Thereby, the sorted shredder residue SSR is converted into synthesis gas whereby less CO2 is produced in comparison to state-of-the-art processes.

The invention relates to the field of semiconductors, and discloses a magnetic random access memory and a manufacturing method thereof, and the method comprises the steps: preparing a substrate with a contact hole; growing a metal layer on the upper surface of the substrate; the metal layer is etched, and metal fragments are generated in the edge area of the substrate; etching the edge area of the substrate, and forming an edge gap in the edge area; and depositing a magnetic tunnel junction film layer structure. According to the manufacturing method, the metal layer is deposited on the substrate, and after the metal layer is etched, the edge area of the substrate is etched to form the edge notch, so that metal fragments generated in the edge area of the substrate in the process of etching the metal layer are removed, namely metal residues on the edge of the substrate are removed, and the yield of the substrate is improved. The defect of fragments caused by metal residues at the edge region is overcome, and the hard fault yield of the magnetic random access memory is further improved.

The invention relates to the technical field of side slope greening spray-seeding, and discloses a side slope greening spray-seeding base material stirring and mixing device which comprises a tank body, a sealing cover is arranged above the tank body, a removing mechanism is arranged outside the tank body, and a magnetic attraction mechanism is arranged below the removing mechanism; the removing mechanism comprises a rotating rod, the rotating rod is rotatably connected to the interior of the tank body, the inner wall of the tank body is fixedly connected with a filter plate, the rotating rod is rotatably connected to the interior of the filter plate, the inner wall of the filter plate is fixedly connected with three fixed shells, and the inner wall of each fixed shell is fixedly connected with a rectangular permanent magnet. The stirring and mixing device for the spray-seeding base material for slope greening has the advantages that the overall mixing and stirring quality of the spray-seeding base material for slope greening is improved, so that facilities such as a pump body in spray-seeding equipment cannot be blocked and damaged by relatively long straws, relatively large metal fragments and relatively large stones during follow-up slope greening spray-seeding work; and the use performance of the stirring and mixing equipment for the slope greening spray-seeding base material is improved.

The utility model relates to the technical field of wire cutting, in particular to a wire cutting machining table with a protective structure, which comprises a wire cutting machine, a controller, an operating table, a connecting frame, a connecting block, a hinged door, a motor, a bidirectional screw rod and the like. An operation table is connected to the wire cutting machine, a controller is connected to the operation table, a connecting frame is connected to the operation table, a connecting block is slidably connected to the connecting frame, a hinged door is hinged to the connecting block, a motor is installed on the operation table, a two-way lead screw is connected to an output shaft of the motor, and the connecting block is in threaded connection with the two-way lead screw. According to the utility model, the hinged door and the baffle plate are arranged, so that splashing metal particles and electrolyte can be blocked, workers can be prevented from being injured by high-speed splashing metal fragments, environmental pollution caused by electrolyte splashing can be avoided, and the electrolyte can be prevented from corroding surrounding equipment and the ground; and the influence of electromagnetic wave radiation generated by linear cutting due to long-term work on health and safety can be avoided.

The utility model belongs to the technical field of perforating machines, and particularly relates to a stainless steel spoon perforating machine capable of collecting waste materials, which comprises a perforating machine main body and a stamping die seat, the stamping die seat is mounted on the upper side of the perforating machine main body, and a workbench is fixed on one side of the perforating machine main body close to the stamping die seat. According to the stainless steel spoon punching machine capable of collecting the waste materials, a storage box is limited in a placement groove, metal fragments or chippings generated by a stainless steel spoon fall into the inner side of the storage box, then a flow guide fan is started, heat generated after punching of a punching die base and the stainless steel spoon can be rapidly taken away, a filter plate can filter out the small metal chippings, and the punching efficiency is improved. And by rotating the rotary knob, the metal fragments can be prevented from being attached to the surface of the filter plate, the metal fragments or the fragments can fall into the storage box to be collected, and the metal fragments or the fragments generated during operation of the stainless steel spoon perforating machine are prevented from being scattered in a working area.

The utility model discloses a lithium battery recycling and disassembling device, and relates to the technical field of lithium battery recycling. The lithium battery recycling and disassembling device comprises a material distribution barrel, an adsorption mechanism and a processing mechanism, the inner wall of the material distribution barrel is fixedly connected with a separation plate, the adsorption mechanism comprises a drawing box arranged in the material distribution barrel and an insertion frame arranged in the drawing box, and the insertion frame is fixedly connected to the bottom of the inner side of the drawing box; the processing mechanism comprises a conveying assembly arranged on the material distributing barrel and a separating assembly arranged on the conveying assembly, and the conveying assembly is connected with the separating assembly in a clamped mode. According to the device, large-particle metal and plastic residues can be classified through the treatment mechanism, a worker can directly recycle the classified residues, the workload of the worker is reduced, meanwhile, the device is in clamping connection, a new magnetic suction plate can be rapidly replaced when the magnetic suction plate is full of metal fragments, and the device is simple in structure and convenient to use. The manufacturing cost is low, and production and promotion are facilitated.

The utility model relates to the technical field of waste lithium battery recovery, and discloses a closed type waste lithium battery crushing device. The closed type waste lithium battery crushing device comprises a bottom plate, a crushing frame, a feeding frame, a cover plate, a supporting shell, a stepping motor, a rotating shaft and spiked crushing rollers, the crushing frame is installed on the bottom plate, the top of the crushing frame is fixedly connected with the feeding frame, the cover plate covers the feeding frame, the rear side of the crushing frame is fixedly connected with the supporting shell, and the spiked crushing rollers are arranged on the supporting shell. A stepping motor is installed in the supporting shell, two rotating shafts are rotationally arranged in the crushing frame, and spiked crushing rollers are arranged on the rotating shafts. An automatic feeding mechanism is arranged, so that an operator is prevented from being in close contact with crushing equipment, and the operation safety is improved; through the design of a sealing structure, dust and metal fragments are effectively prevented from splashing in the working process, the safety of an operator is protected, and the influence on the environment is reduced.

The application discloses an environment-friendly building engineering waste recovery device, which comprises a bottom plate, a recovery shell installed on the top of the bottom plate and a feeding frame connected to one end of the inner wall of the top of the recovery shell, further comprises a crushing assembly installed on one end of the outer wall of the top of the recovery shell, one side of the crushing assembly is connected with an air extraction pipe, a dust extraction pump is installed on the air extraction pipe, and a filter shell is installed on the air extraction pipe. The environment-friendly building engineering waste recovery device is characterized in that: the waste particles after being crushed are scattered on the outer wall of the partition cloth, the metal fragments in the waste particles are adsorbed on the outer wall of the partition cloth by the electromagnet, meanwhile, the opening power-off structure on the annular power connection assembly is used to automatically power off the electromagnet at the position during the rotation of the partition cloth, at this time, the metal fragments adsorbed on the corresponding position of the outer wall of the partition cloth will fall off from the partition cloth and fall on the telescopic plate, so that the metal fragments are conveniently separated from the waste particles, and the waste recovery work is facilitated.

An immersion station for performing lift off of metals and other materials (e.g., organic or inorganic films) from a plurality of wafers comprises an immersion chamber having a conical bottom portion, a drain coupled thereto, a spray bar having nozzles adapted to spray chemical solvent at a high flow rate into the immersion chamber, and an immersion tool positioned within the chamber having a cassette with compartments for holding a plurality of wafers, wherein the immersion tool has openings for exposure to the chemical solvent spray. The immersion tool and the spray bar nozzles are configured so as to provide an even distribution of solvent across the plurality of wafers in the cassette to induce metals to lift off from the plurality of wafers, and solvent and metal debris removed from the wafers flows downwardly to the conical bottom portion which directs the flow into the drain.

The invention relates to the technical field of steam turbine and generator bearing box impurity cleaning and discloses a steam turbine and generator bearing box impurity cleaning method and tool, a connecting part is arranged at the top end of a handle and used for expanding the handle, the bottom face of the handle is connected with a first cleaning assembly, and the bottom end of the first cleaning assembly is connected with a second cleaning assembly. According to the device, iron metal substances in the steam turbine and the generator bearing box body are adsorbed through a strong magnet of the second cleaning assembly, a three-fork ring is wrapped by the viscous assembly, and non-metal chippings in the steam turbine and the generator bearing box body are wrapped by the second cleaning assembly in a sticking mode, so that the good impurity cleaning effect is achieved; the impurity cleaning tool is simple in structural design, is suitable for cleaning impurities of various metal or non-metal substances in bearing boxes of turbines and generators, and is also suitable for cleaning impurities in other more environments or places. Time and labor are saved, the working efficiency is high, the impurity cleaning effect is good, and the practicability is extremely high.

The present invention relates to the technical field of crushing devices, specifically to a multi-stage crushing mechanism for recycling copper powder of waste circuit boards, comprising a workbench, a first conveyor belt being installed on the upper end of the workbench, a first crushing mechanism being installed on the upper end of the workbench near the rear end, a second crushing mechanism being installed on the upper end of the workbench near the middle, a collecting mechanism being installed on the upper end of the workbench near the front end, an electromagnetic shaft being rotatably connected to the inner side of the workbench, a scraper being fixedly connected to the front of the electromagnetic shaft inside the workbench, a crushing saw blade being moved back and forth along a limit plate through the mutual cooperation of a first gear and an outer tooth plate, so that the crushing saw blade comprehensively crushes the debris, so that more copper particles are separated from non-metallic debris, thereby improving subsequent recycling efficiency, and a spray head and an acid box being cooperated with each other, so that an acid solution can be sprayed downward when the crushing saw blade is crushed, so that oxides on the surface of the copper particles are cleaned.

The high-precision laser cutting device comprises a base and a working table, a plurality of sets of stainless steel sheets distributed at equal intervals are arranged in the working table, an installation frame is fixedly installed in the working table, a plurality of sets of adjusting frames distributed at equal intervals are installed on the installation frame in a sliding mode, and the stainless steel sheets and the adjusting frames are arranged correspondingly. The stainless steel sheets are fixedly connected with the corresponding adjusting frames, a mounting rod is fixedly mounted on the mounting frame, two sets of symmetrically-distributed first telescopic rods are slidably mounted in the mounting rod, and second telescopic rods are slidably mounted in the two sets of first telescopic rods; the distances between the multiple sets of stainless steel sheets are enlarged, so that metal fragments which do not fall off from gaps after laser cutting machining uniformly fall off from the enlarged gaps between the adjacent stainless steel sheets, residues of the metal fragments are avoided, and cleanliness in the workbench is guaranteed; and the positioning precision and the cutting precision of the residual metal chips on subsequent precision parts are avoided.

To provide coal transportation equipment advantageous to improvement of restoration work efficiency and shortening of restoration work.SOLUTION: Coal transportation equipment comprises: a belt conveyor 1 conveying coal; a metal detection device 2 detecting a metal piece mixed in the coal conveyed by the belt conveyor 1; a chute 4 capable of dropping a marker 5 received from an upper portion 40 of the chute onto the belt conveyor 1 located on the downstream of the metal detection device 2 from a lower portion 41 of the chute; and a holding part 6 which holds the marker 5 in the chute 4, and releases the holding of the marker 5 based on the detection of the metal piece by the metal detection device 2 to drop the marker 5 onto the belt conveyor 1 from the lower portion 41 of the chute 4. The upper portion 40 of the chute 4 is disposed outside the belt conveyor 1 in the conveyor width direction WD. The lower portion 41 of the chute 4 is disposed above the belt conveyor 1. The chute 4 extends from the upper portion 40 toward the lower portion 41 located on the inside in the conveyor width direction WD.SELECTED DRAWING: Figure 1

A dust removal device for an electrode sheet, and a battery processing apparatus. The dust removal device for an electrode sheet comprises a housing (100), a suction assembly (400), a first blowing assembly (200) and a second blowing assembly (300). The housing (100) has an inner cavity (150), and in a first direction, two opposite sides of the housing (100) are both provided with through holes (110) for conveying an electrode sheet (10). In a second direction, two opposite sides of the housing (100) are both provided with suction ports (120), the suction assembly (400) being in communication with the suction ports (120). The first blowing assembly (200) and the second blowing assembly (300) are both disposed in the inner cavity (150), and a channel (140) for conveying the electrode sheet (10) is formed between the first blowing assembly (200) and the second blowing assembly (300), the channel (140) being in communication with the through holes (110). The first blowing assembly (200) and the second blowing assembly (300) are both arranged in a third direction, and the first blowing assembly (200) and the second blowing assembly (300) are both configured to blow dust on the electrode sheet (10). The suction assembly (400) is configured to suction the dust that has been blown up. The device can prevent the risk of short circuits in a jelly roll caused by dust and other metallic debris entering the jelly roll, thereby improving safety, reducing potential safety hazards, and saving on costs.

The utility model discloses a cyclonic oily sludge treatment separation cylinder which comprises a cyclonic separation cylinder, a feed port formed in the top surface of the cyclonic separation cylinder, a high-pressure air inlet pipe arranged on one side of the cyclonic separation cylinder, an overflow port and a silt port, wherein the overflow port and the silt port are formed in the other side of the cyclonic separation cylinder; a coarse filtering assembly is arranged in the feeding hole; according to the cyclone type oily sludge treatment separation cylinder, a cyclone type oily sludge treatment separation cylinder in the prior art is improved and optimized, the coarse filtering assembly convenient to disassemble and assemble is ingeniously designed at the position of the feeding port, large-size stone blocks, wood blocks, metal fragments and other foreign matter in sludge can be effectively blocked and prevented from entering the separation cylinder, and meanwhile the separation cylinder is convenient to disassemble and assemble. The fence adopts a modular design, is convenient for daily maintenance and cleaning, and can be quickly disassembled, assembled and replaced without influencing the continuous operation of the whole equipment once the fence is blocked or needs to be maintained, so that the durability and the stability of the separation cylinder are remarkably improved, and long-term efficient and safe sludge treatment operation is also ensured.

An immersion station for performing lift off of metals and other materials (e.g., organic or inorganic films) from a plurality of wafers comprises an immersion chamber having a conical bottom portion, a drain coupled thereto, a spray bar having nozzles adapted to spray chemical solvent at a high flow rate into the immersion chamber, and an immersion tool positioned within the chamber having a cassette with compartments for holding a plurality of wafers, wherein the immersion tool has openings for exposure to the chemical solvent spray. The immersion tool and the spray bar nozzles are configured so as to provide an even distribution of solvent across the plurality of wafers in the cassette to induce metals to lift off from the plurality of wafers, and solvent and metal debris removed from the wafers flows downwardly to the conical bottom portion which directs the flow into the drain.

The utility model relates to a kind of film scrap spiral feeding field, disclose a kind of film scrap spiral feeder, including main frame, the inside sliding connection of main frame has screen, the bottom of screen is fixedly connected with top plate, the bottom of top plate is fixedly connected with damper, damper is fixedly connected with swing rotary lever, swing rotary lever inside is rotatably connected with swing lever, swing lever inside is rotatably connected with convex sleeve rotary lever, convex sleeve rotary lever is rotatably connected with circular convex sleeve outside, circular convex sleeve is fixedly connected with driving rotary lever inside, driving rotary lever is rotatably connected with drive outside, the bottom of drive is fixedly connected with shell one, the top of shell one is fixedly connected with bottom pipe, in the utility model, add the effective interception of screen assembly stone block, metal scrap, fibre group etc., ensure that film scrap quality meets production requirement, reduce the abrasion of spiral blade, shell and other components simultaneously, reduce equipment failure rate, prolong maintenance cycle, save maintenance cost.