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106 results about "Metallic debris" patented technology

Fine disassembling system and method for single battery

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.
Owner:YICHANG BRUNP RECYCLING TECH CO LTD +2

Continuous harvesting and packing device for forage grass

The invention discloses a continuous forage grass harvesting and packaging device, and relates to the technical field of forage grass harvesting and packaging. Comprising a mounting base, the mounting base is provided with a processing mechanism used for forage grass harvesting and packaging, the processing mechanism comprises a lifting assembly, the lifting assembly comprises a supporting frame fixedly connected with the front end of the mounting base, the upper end face of the supporting frame is fixedly connected with a first hydraulic rod, and the telescopic end of the first hydraulic rod is fixedly connected with a supporting block; the reciprocating screw rod rotates and works under the action of a second driving shaft through a second transmission wheel, a transmission belt and a first transmission wheel, so that the reciprocating screw rod rotates on the inner wall of the mounting frame; a filter screen bracket in threaded connection with the outer wall of a reciprocating screw rod swings back and forth on a limiting rod, so that impurities such as soil, stones and metal fragments in pasture can be filtered out, the purity and quality of the pasture are improved, and subsequent use of the pasture is facilitated.
Owner:TARIM UNIV

Wax recovery processing device for valve casting

The invention relates to the technical field of wax mold recovery and separation, in particular to a valve casting wax recovery treatment device which comprises a wax mold heating and melting barrel, a sealing cover is arranged at the top of the wax mold heating and melting barrel, and a flow guide cover is arranged in the wax mold heating and melting barrel. The device has the beneficial effects that wax liquid is intensively guided through the flow guide cover, impurities contained in the wax liquid are filtered through the filter cover net, the filtered wax liquid is pumped into the evaporation pan through the liquid wax discharge pump to be heated and evaporated to form wax steam, and the steam rises and is covered by the cooling and liquefying metal cover; at the moment, the cooling and liquefying metal cover is sprayed and cooled through the spraying and cooling assembly, so that the temperature-reduced steam is liquefied and condensed on the cooling and liquefying metal cover and is matched with a wax scraping plate to scrape and guide to enter a wax liquid receiving plate, and high-purity liquid wax is discharged through a wax liquid discharging pipe to be recycled; the problem that in the prior art, after wax is melted, impurities such as metal fragments, sand and soil contained in the wax are directly recycled, and the purity of recycled wax is not enough is solved.
Owner:TAIZHOU XINYU PRECISION MFG CO LTD

A method for assessing the remaining life of a rupture disk in a large-caliber vacuum system of a nuclear power plant

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.
Owner:DAYA BAY NUCLEAR POWER OPERATIONS & MANAGEMENT +4

Waste lithium battery crushing and sorting treatment method

The invention discloses a waste lithium battery crushing and sorting treatment method which comprises the following steps: S1, automatically classifying waste lithium batteries, and removing battery shells by utilizing a non-destructive laser cutting technology; s2, electrolyte residues are removed through a low-temperature plasma processing device, and cleaning parameters are dynamically adjusted; s3, feeding the battery unit without electrolyte residue into crushing equipment, and optimizing parameters of the crushing equipment by using an octopus algorithm; s4, the crushed fragments are graded according to the particle size through a micro-vibration screening device; s5, classifying and identifying the graded fragments by using a graph convolutional network; s6, inputting the metal fragments and the non-metal fragments into a sorting module, and dynamically optimizing magnetic separation and winnowing parameters by adopting an octopus algorithm; and S7, metal resources enter a hydrometallurgy process, and non-metal resources are physically separated and then sent to a composite material recovery process. According to the method, the low-temperature plasma, the octopus algorithm, the multi-modal data fusion technology and the like are combined, and intelligent crushing and sorting treatment of the waste lithium batteries is achieved.
Owner:ANHUI HUILIAN DEYI INTELLIGENT MANUFACTURING CO LTD

Shredding device for waste metal recovery

The utility model discloses a chopping device for waste metal recycling, relates to the technical field of waste metal chopping, and can solve the technical problems that in the prior art, due to tight combination of metal and plastic, after waste metal is crushed, a large amount of waste plastic left on the surface of the waste metal can be mixed with the crushed metal, and the waste metal is damaged. And in order to achieve separation of mixed waste plastic and crushed metal, an electromagnet is installed on the side face of a second separation hopper. And when the waste plastics and the crushed metal are crushed, guided by the guide plate and slide down along the inner wall of the second separation hopper, the electromagnet plays a role to adsorb the crushed metal material. And after all the waste plastics completely fall off, the electromagnet is demagnetized by operating the control assembly, so that the adsorbed metal fragments fall off, effective separation of the metal fragments and the electromagnets is realized, the working efficiency is improved, and the overall operation difficulty is reduced.
Owner:QIANWEI NANAN MASCH CO LTD

A safety guard for a numerical control hydraulic bending machine for wind turbine accessories

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.
Owner:QINGDAO XINSHENGYU MASCH CO LTD

Combined battery case

The utility model relates to the technical field of power batteries, and specifically to a combined battery shell, including a shell, a rivet and a sealing assembly, wherein the shell is provided with an inner spacer on the inner wall surface at the mounting hole, and the shell is provided with an outer spacer on the outer wall surface and side wall at the mounting hole, the rivet includes an inner riveted end formed before assembly and an outer riveted end formed during assembly, the rivet passes through the mounting hole from the inside of the shell until the inner riveted end presses the inner spacer on the inner wall surface of the shell, the part of the rivet passing through the mounting hole is cold-forged and flanging to form an outer riveted end, and the sealing assembly includes a sealing pin pressed on the outer riveted end and a metal gasket configured on the outer spacer and matched with the sealing pin. The utility model solves the technical problems in the prior art that the riveting process of the battery combination shell is uncontrolled, which easily leaves metal fragments in the battery shell, the mating surface cannot be compacted, and the sealing effect of the sealing pin and the rivet is poor.
Owner:CHANGZHOU WUJIN ZHONGRUI ELECTRONICS

Milling and wellbore metal debris recovery assembly

A milling and wellbore metal recovery assembly includes a milling assembly that can mill a casing disposed in a wellbore. A primary debris removal assembly is connected to the milling assembly and can reside uphole of the milling assembly. The primary debris removal assembly can clear debris resulting from the milling assembly milling the casing disposed in the wellbore by reverse circulating wellbore fluid in an uphole direction from an annulus formed by the wellbore and through the primary debris removal assembly. A second debris removal assembly is connected to the primary debris removal assembly, and can reside uphole of the primary debris removal assembly. The secondary debris removal assembly can clear debris resulting from the milling assembly milling the casing by circulating wellbore fluid in a downhole direction through the secondary debris removal assembly and then in the uphole direction through the annulus towards a surface of the wellbore.
Owner:SAUDI ARABIAN OIL CO

Waste metal recovery device

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.
Owner:YUNNAN KUNLI RESOURCES TECHNOLOGY CO LTD

A waste metal sheet shredding device

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.
Owner:HENAN HENGYISHENG IND CO LTD

Casting and forging machining hardness detection device

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.
Owner:CHANGCHUN JITONG XIFODI ALUMINUM CASTING & FORGING TECH CO LTD

Mixer capable of uniformly mixing materials

The invention belongs to the technical field of mixing, and discloses a uniform mixing mixer which comprises a mixing tank body, a feeding port is formed in the side face of the mixing tank body, a filtering cavity is formed in the top of the mixing tank body, a motor is fixedly connected to the lower end of the mixing tank body, and the output end of the motor is fixedly connected with a speed reducer. Through cooperation of the stirring assembly, the discharging assembly and other structures, the problem that metal fragments cannot be removed through direct mixing is solved, an electromagnetic force rod is driven to rotate by rotating a supporting rod, the electromagnetic force rod is made to move among recycled particles, and the recycling efficiency of the recycled particles is improved. Through cooperation of structures such as a mixing assembly and a transmission shaft, the problem that particles at corners are difficult to turn over during particle mixing is solved, and a supporting plate can drive a first turning plate and a second turning plate to rotate.
Owner:WUXI NINGDENG INTELLIGENT TECHNOLOGY CO LTD

Method for monitoring the removal of sheet metal waste from a sheet metal working tool and device for this purpose

Method for monitoring the removal of sheet metal waste from a sheet metal working tool (1), wherein the sheet metal waste is produced by trimming and / or punching a sheet metal part (5) that has been heated at least section by section beforehand and comprises at least one sheet metal waste piece (6) and / or sheet metal waste fragment (7), which is removed from the sheet metal working tool (1) by means of part-specific accessories, and wherein, after removal of the processed sheet metal part (5) and the at least one sheet metal waste piece (6) and / or sheet metal waste fragment (7) from the sheet metal working tool (1), a temperature distribution in the sheet metal working area of ​​the sheet metal working tool (1) is thermographically recorded and the resulting thermal image (8) is evaluated and assessed with regard to any sheet metal waste piece(s) (6) and / or sheet metal waste fragment(s) (7) remaining in the sheet metal working tool (1).
Owner:VOLKSWAGEN AG

Gravity clean-off magnetic sweeper apparatus

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.
Owner:BLUESTREAK EQUIP INC

Multi-stage crushing device for metallurgical furnace charge processing

The utility model provides a multistage crushing device for metallurgical furnace charge processing, which relates to the technical field of crushing devices and comprises a shredding bin, a crushing device is arranged in an inner cavity of the shredding bin, a conveying device is arranged on the bottom side of the shredding bin, and a cutting device is arranged on one side of the conveying device. Supporting legs are fixedly mounted on the two sides of the bottom of the conveying device. According to the waste metal shredding device, waste metal to be treated is poured into the shredding bin from the feeding opening, in the shredding bin, the first crushing roller is driven to rotate after the first motor is started, and the first crushing roller drives the second crushing roller to synchronously and reversely rotate through the first gear and the second gear; waste metal is extruded and shredded into small metal fragments through the first crushing roller and the second crushing roller, then the small metal fragments are collected through the baffle and fall into the conveying device for next-step treatment, the waste metal shredded through the crushing device is convenient to melt in the smelting process, and the smelting efficiency is improved.
Owner:HENAN NANFANG ZHONGYE EQUIP TECH CO LTD

Shock energy resistant copper-based composite metal block, preparation process and application thereof

PendingCN122446000ALithium stearateMagnesium stearate
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.
Owner:SUZHOU PENTAGRAM TECHNOLOGY CO LTD

Device capable of identifying and detecting tobacco shred sundries

The utility model discloses a device capable of identifying and detecting tobacco shred impurities, which relates to the technical field of tobacco shred production equipment and comprises a transmission mechanism, an impurity detection mechanism and an impurity removal mechanism. The sundry detection mechanism is arranged above the transmission mechanism, and the sundry removal mechanism is arranged in the transmission mechanism; the sundry detection mechanism comprises a supporting column, a synchronous belt, a connecting rod, a chuck mechanical arm and an industrial CCD camera, the industrial CCD camera is fixedly arranged at the lower end of the chuck mechanical arm, the chuck mechanical arm is connected with the connecting rod through a conveying chain, the connecting rod is erected on the synchronous belt, and the supporting column is arranged on the supporting column. The synchronous belt is connected to the supporting column in a welded mode. The sundry removing mechanism comprises a tipping bucket device and a collecting box arranged below the tipping bucket device. By the adoption of the structure, nonmetal impurities contained in cut tobacco before drying after cutting can be accurately recognized and judged, and the nonmetal impurities are efficiently removed.
Owner:HEBEI BAISHA TOBACCO

A pumping unit hoisting rope tension test device

ActiveCN224500222UJackscrewControl theory
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.
Owner:济南耐而试验机有限公司

Production process of environment-friendly resin matrix composite drainage pipeline finished product foundation

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.
Owner:NANTONG PLANNING DESIGN INST CO LTD

Compressed air energy storage tank and method of manufacture

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.
Owner:HARBIN FRP INST

Efficient hydraulic separation equipment for recycling waste lead-acid batteries

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.
Owner:ZHEJIANG TIANNENG POWER SOURCE MATERIAL

Airport runway foreign object detection system probe device (FOD)

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.
Owner:SHENYANG HUITONG ZHILIAN ELECTRONICS ENG DESIGN & INSTALLATION +1

Battery structure and assembly method thereof

The invention relates to the technical field of lithium batteries, in particular to a battery structure and an assembling method thereof.According to the battery structure, matching of a pole column and a steel shell is used for replacing an existing rivet cold heading riveting technology, the part, at a mounting hole, of the steel shell is turned over towards the outer portion of a lithium battery, and a turned-over edge used for surrounding is formed; the anti-explosion piece is arranged in the battery and used for surrounding the pole and plugging the mounting hole in cooperation with the sealing ring, the anti-explosion piece is arranged in the battery after plugging is completed, so that anti-explosion scribed lines on the anti-explosion piece are not in contact with outside air any more, and the anti-explosion scribed lines of the anti-explosion piece are formed between the outer ring of the anti-explosion piece and the center area and used for power-off protection. The battery structure provided by the invention solves the technical problems that a lithium battery in the prior art is low in safety coefficient due to no short circuit prevention design and the steel shell is easy to corrode due to the fact that the scribed line position is exposed in the air; and the technical problem that metal fragments are left in the steel shell of the lithium battery due to cold heading of the rivet of the cap body of the lithium battery in the prior art is also solved.
Owner:CHANGZHOU WUJIN ZHONGRUI ELECTRONICS

Process for manufacture of synthesis gas from waste streams

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.
Owner:BASF SE

Magnetic random access memory and manufacturing method thereof

PendingCN121865626AEtchingRandom access memory
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.
Owner:ZHEJIANG HIKSTOR TECHOGY CO LTD

Spray-seeding base material stirring and mixing device for slope greening

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.
Owner:中建材(河南)勘测设计有限公司

Linear cutting machining table with protective structure

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.
Owner:CHENYANG NEWMESEN TECHNOLOGY IND CO LTD

Stainless steel spoon perforating machine capable of collecting waste

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.
Owner:JIEYANG SHOUYUAN HARDWARE CO LTD

Lithium battery recycling and disassembling device

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.
Owner:JIANGXI HANJUN TECHNOLOGY CO LTD