472results about How to "Improve crushing efficiency" patented technology

The invention relates to the technical field of smashing devices, in particular to a smashing device for a graphite lithium battery negative electrode material, which comprises a shell, the interior of the shell is divided into a smashing cavity and a storage cavity, and a storage part with a hollow structure is arranged in the storage cavity; the crushing and conveying mechanism is used for conveying external graphite particles to the crushing cavity and carrying out coarse crushing on the graphite particles in the conveying process; the crushing mechanism is used for crushing the graphite particles; the driving mechanism is used for transmitting power to the crushing mechanism, and meanwhile, the air and the graphite particles in the crushing cavity are conveyed into the storage part in the power transmitting process; and the screening plate is installed in the storage part, an outlet is formed in the storage part, and the storage part communicates with the crushing cavity through a circulating pipe. Graphite particles are conveyed into the crushing cavity through the crushing and conveying mechanism, then the driving mechanism is used for driving the crushing mechanism to crush the graphite particles, and finally the graphite particles are screened through the screening plate, so that the crushing efficiency of the graphite particles and the uniformity of the crushing granularity are improved.

The invention relates to the technical field of material processing, in particular to a crusher control method and a crusher. According to the crusher control method, the target crushing parameters most suitable for the current material characteristics can be inquired according to the inlet material characteristic-crushing parameter relation table, and the crusher is made to operate according to the target crushing parameters; in addition, the inlet material feature-crushing parameter relation table can be updated and iterated, the crushing parameters in the table are changed until the materials produced by the crusher meet the standard, the outlet materials can be qualified without manual repeated tests, rapid updating learning can be carried out for different batches of materials, and the efficiency is improved. And the parameter setting time is greatly saved, so that the material crushing efficiency is improved. According to the crusher provided by the invention, rapid update learning can be carried out, the parameter setting time is greatly saved, and the material crushing efficiency is further improved.

The utility model discloses a building waste recovery transport vehicle, which relates to the technical field of building construction and comprises an outer shell, rollers are rotatably connected to the outer surface of the bottom end of the outer shell, guide grooves are formed in the two sides of the rollers, an inner shell is fixedly connected to the interiors of the guide grooves, and a feeding plate is movably connected to the outside of one end of the inner shell. According to the waste material crushing device, when waste materials in the waste material crushing device are crushed by the crushing rollers, internal metal is adsorbed by the magnetic suction plate in the rotating and stirring process, and after the metal waste materials are completely adsorbed by the magnetic suction plate, the first motor is started to drive the magnetic suction plate to rotate; the arc-shaped grooves in the two ends of the magnetic attraction plate enable the magnetic attraction plate to rotate more smoothly in the fixing groove, the magnetic attraction plate adsorbing the metal waste to rotate to one side of the outside, meanwhile, a worker operates the scraper to enable the scraper to slide along the outer wall of the magnetic attraction plate, and therefore the metal waste above is scraped to the position above the material guide plate at the bottom, the waste slides down along the material guide plate, and the metal waste is prevented from falling off. Therefore, metal is separated from other waste materials.

The invention belongs to the technical field of recycled plastic equipment, and particularly relates to recycled plastic particle processing-based multi-stage crushing treatment equipment which comprises a supporting column and a mounting seat, the supporting column is fixedly connected with the lower surface of the mounting seat, a crushing box is fixedly mounted on the upper surface of the mounting seat, and a feeding hopper is fixedly mounted on the upper surface of the crushing box; a screening mechanism is arranged on one side of the mounting base; multi-stage smashing is achieved through the smashing box, the roller and the smashing machine, it is ensured that plastic chippings are fully smashed, it is ensured that the plastic chippings reach the needed particle size, particle size distribution is more uniform, the product quality and consistency are improved, the roller is formed by splicing arc-shaped net plates with different hole diameters, the screening hole diameter can be adjusted according to requirements, and the screening efficiency is improved. Fine screening of the plastic chippings with different granularities is achieved.

The invention provides injection molding leftover material smashing equipment, and belongs to the technical field of plastic recycling, the injection molding leftover material smashing equipment comprises a rotating cutter assembly, a cutter groove and a material conveying mechanism, the rotating cutter assembly comprises a rotating shaft, a driving unit, a hobbing cutter and a hooking cutter, and the material conveying mechanism comprises an internal channel and an external pipeline; the internal channel comprises a hobbing cutter cavity, a hooked cutter cavity communicated with the hobbing cutter cavity, a crushing cavity and a containing cavity; the crushing cavity is communicated with the hook knife cavity, an arc-shaped baffle is fixedly installed between the crushing cavity and the containing cavity, an air outlet hole is formed in the baffle, and a crushing knife is arranged in the crushing cavity; the external pipeline comprises a draught fan, an air draft pipeline connected between an air inlet of the draught fan and the containing cavity, and an air conveying pipeline connected with an air outlet of the draught fan and the hob cavity. Under the action of wind power, materials falling into the containing cavity can enter the smashing cavity and are smashed through the smashing cutters, the materials can be blown to move in the axial direction of the rotating shaft, the multiple hobs jointly participate in smashing of the materials, and the material smashing efficiency is improved.

The invention belongs to the technical field of waste concrete prefabricated part recycling, and particularly relates to a waste concrete prefabricated part recycling crusher capable of being pretreated, which comprises a shell, a partition plate is fixedly connected to the inner wall of the shell, an L-shaped block is fixedly connected to the outer wall of the shell, and a vertical groove and a transverse groove are formed in the shell. A feeding hopper is arranged above the shell, a collecting box is connected to the lower portion of the shell in a sliding mode, a smashing device, a screening device and an auxiliary device are arranged on the shell, the auxiliary device comprises a material pushing plate, and the material pushing plate penetrates through the partition plate and is connected with the partition plate in a sliding mode. According to the waste concrete prefabricated part recycling crusher capable of being pretreated, through ingenious cooperation of the material pushing plate, the cam, the spring and other assemblies, the material pushing plate can automatically reciprocate, waste is continuously pushed to the crushing roller, accumulation and retention of the waste in the crushing process are effectively reduced, and therefore the crushing efficiency is remarkably improved.

The utility model relates to the technical field of feed processing, and discloses a dustproof crushing device for feed processing, which comprises a crushing tank, a cover plate is clamped on the top surface of the crushing tank, an A motor cabin is fixedly mounted on the top surface of the cover plate, and a linkage mechanism is fixedly mounted in the A motor cabin. And two sets of smashing rods are fixedly arranged on the bottom face of the linkage mechanism, a screen is fixedly installed on the inner wall of the smashing tank, and an anti-blocking mechanism is fixedly installed at the bottom of the inner wall of the smashing tank. According to the dustproof crushing equipment for feed processing, through the arrangement of the dustproof mechanism and the protection mechanism, when feed is put in, an elastic sleeve belt is sleeved with a raw material container, when feed raw materials are poured, a dustproof cloth bag prevents feed dust from drifting away, during discharging, a protection cloth bag is placed in a packaging bag, during charging, the protection cloth bag is lifted slowly, and the height difference during discharging is reduced; and therefore, the dustproof effect is achieved during feed feeding and discharging, and the situation that dust drifts away and influences the working environment and personnel health is avoided.

The utility model relates to the technical field of paper crushing, in particular to a crushing device for waste paper recovery, which comprises a vertically through shell, two partition plates are symmetrically and adjustably arranged in the middle of the shell, a slitting device is arranged above the partition plates, and a crushing cutter is arranged below the partition plates. The slitting device and the crushing cutter are arranged in the shell; a cover plate is hinged to the upper end of the shell, two supporting plates are symmetrically arranged at the lower end of the shell in an adjustable mode, and the partition plate and the supporting plates can form a smashing space. According to the waste paper slitting device, the slitting device and the smashing cutter are arranged, the shell can be separated into the upper space and the lower space through the effect of the partition plate, waste paper in the upper space is slit into small-size paper through work of the slitting device, and the slit paper is fully smashed through work of the smashing cutter; the current situation that the crushing device is only provided with one crushing unit and cannot efficiently and effectively crush the waste paper is changed, and the crushing efficiency of the waste paper is improved.

The invention discloses an all-solid-state battery and a preparation method thereof, and belongs to the technical field of solid-state batteries. Comprising electrolyte crushing, mixing and coating processes, an acoustic resonance method is used in each process, a final solid electrolyte is obtained, the electrode material is prepared through the acoustic resonance method based on the prepared solid electrolyte, the specific capacity of the electrode material prepared through the acoustic resonance method is improved, and compared with an existing mainstream ball milling process, the specific capacity of the electrode material is greatly improved. And the process time is reduced from several hours to minute level, so that the efficiency of each flow is greatly improved, and the preparation efficiency of the whole all-solid-state battery is further improved.

The utility model relates to a pull-type straw smashing and packing machine. Comprising a rack, a picking and smashing device installed at the bottom of the rack and used for replacing the functions of a straw picking device and a straw crusher, a dust removal mechanism connected with the picking and smashing device and used for smashing straw and removing dust, and an auger conveying mechanism used for outputting straw in the dust removal mechanism to a double-bag-outlet packaging device. The traction and power input system is used for providing power; the picking and crushing device is used for synchronously picking and crushing straws collected from the ground, the dust removal mechanism is used for removing dust from the straws in the picking and crushing device and discharging the dust to the ground from the bottom of the rack, and the traction and power input system is used for being connected with a traction vehicle and inputting power of the traction vehicle; the utility model has the advantages that the equipment volume is greatly reduced, and the efficiency can be effectively improved.

The invention relates to the technical field of gordon euryale seed crushing, and particularly discloses a gordon euryale seed crushing and screening device and method. The number of the crushing rollers is two, and the two crushing rollers are horizontally arranged at the upper part of the crushing box; the occlusion strips are fixedly connected to the outer walls of the two crushing rollers, and when the occlusion strips on the two crushing rollers are occluded with each other, the gordon euryale seed particles can be crushed into fine particles; and the two driving rollers are mounted in the middles of the two crushing rollers correspondingly. According to the gordon euryale seed crushing device, the two crushing rollers are arranged, when gordon euryale seeds need to be crushed, the gordon euryale seeds are placed between the two crushing rollers, the gordon euryale seeds are extruded and crushed by the occlusion strips on the crushing rollers, the gordon euryale seeds are extruded into fine particles, the crushing effect is achieved, and due to the fact that the occlusion strips on the two crushing rollers are in an occlusion state all the time, the gordon euryale seeds are crushed. Therefore, the gordon euryale seeds cannot be directly taken out by the crushing rollers, and each gordon euryale seed can be extruded and crushed.

The waste treatment device for civil engineering construction comprises a machine shell, a fixed block is fixedly installed at the bottom of a frame head, a hydraulic cylinder is arranged in the fixed block, a telescopic shaft is movably arranged at the output end of the hydraulic cylinder, and a movable cone is fixedly connected to the bottom of the telescopic shaft; a driving motor is arranged in the supporting block, the output end of the driving motor is located below the supporting block, an output shaft of the driving motor is fixedly connected with a rotating shaft, hammer plates are evenly arranged on the outer ring of the rotating shaft, and an impact sleeve is fixedly installed at the position, located on the outer ring of the rotating shaft, of the inner wall of the machine shell; by means of the integrated arrangement of the upper crushing device and the lower crushing device, the use convenience of the crusher is improved, then materials discharged by the crusher are annularly distributed, the crushing efficiency is improved, meanwhile, the materials can be fully crushed, and the crushing effect is improved.

The invention discloses a gravel crushing device and method for building construction, and belongs to the technical field of gravel crushing equipment. Comprising a base, a crushing mechanism, a power mechanism, a distance adjusting mechanism and a discharging mechanism, a crushing bin is arranged on the base; the crushing mechanism is mounted on the crushing bin and comprises a first crushing part and a second crushing part, and the power mechanism comprises a first transmission part and a second transmission part; the adjusting part comprises a first adjusting part and a second adjusting part, the first adjusting part is used for adjusting the first crushing part, and the second adjusting part is used for adjusting the second crushing part; the discharging mechanism is used for discharging; according to the gravel crushing device, gravel crushing is automatically completed through the crushing mechanism, the power mechanism, the distance adjusting mechanism and the discharging mechanism, in the crushing process, the gravel crushing degree of the crushing mechanism can be flexibly adjusted according to the size of needed gravel, and therefore different requirements are met, the structure is simple, and use is convenient.

The invention relates to the technical field of civil engineering, in particular to a civil engineering construction waste treatment device which comprises a bottom frame, a crusher is fixedly connected to the front side of the top of the bottom frame, a separation bin is fixedly connected to the top of the crusher, and a steel bar collection bin is fixedly connected to the rear side of the crusher. And a primary crushing mechanism is fixedly connected to the side, away from the reinforcing steel bar collecting bin, of the top of the bottom frame, and through the arrangement of the separation bin, the primary crushing mechanism and a primary crushing assembly, construction waste is pretreated through the primary crushing mechanism, the working difficulty of the crusher is reduced, and the crushing efficiency is improved. Due to the design of the separation bin, steel bars and concrete can be effectively separated, follow-up resource recycling and reusing are facilitated, the civil engineering construction waste treatment requirements of different scales can be met, and high practical value and economic benefits are achieved.

The invention relates to an underwater rock drilling hammer which comprises an outer frame, a hammer body, a hammer head assembly, a lifting claw and lifting equipment. The hammer head assembly is arranged at the lower end of the interior of the outer frame, the hammer body is connected into the outer frame in a sliding mode, the lifting claw is arranged on the upper portion of the outer frame and used for lifting the hammer body, and the lifting claw is connected with the lifting device and used for providing power. The outer frame comprises an outer frame body, and outer frame body vertical sliding rail grooves are formed in the two sides of the interior of the outer frame body. A plurality of outer frame body periphery waist hoops are connected to the outer side of the outer frame body at equal intervals; the lower end of the outer frame body is connected with an outer frame body bottom arc-shaped baffle. The upper end of the outer frame body is connected with an outer frame top limiting device through an outer frame bolt and nut set, and the middle of the outer frame top limiting device is connected with an outer frame top limiting frame. The underwater rock drilling hammer aims at overcoming existing defects and is high in crushing efficiency.

The invention is suitable for the technical field of crushing devices, and provides a riverway gravel crushing treatment device which comprises a main body frame, a triangular frame, a driving mechanism, centrifugal crushing equipment and a feeding hopper and further comprises rolling crushing equipment and a reciprocating lifting mechanism, and the rolling crushing equipment comprises an outer cylinder body, an inner cylinder body, an inner support and an outer support; the outer cylinder body and the inner cylinder body are each of a cone structure. According to the use method of the river channel gravel crushing treatment device, the crushing treatment device, the centrifugal crushing equipment and the rolling crushing equipment are matched with the driving mechanism and the reciprocating lifting mechanism, primary and advanced crushing of gravel can be completed, the gravel crushing quality can be effectively guaranteed, and the service life of the gravel is prolonged. And the time required by the whole crushing process can be remarkably shortened, the grinding crushing equipment and the centrifugal crushing equipment can perform multi-stage and multi-mode crushing on the gravel, and the crushing efficiency and the crushing quality of the device are remarkably improved.

The utility model relates to the technical field of vegetable crushing, in particular to a vegetable crushing device for processing vegetable fine dried noodles, which mainly comprises a crushing tank, a feed hopper fixedly penetrating through the top surface of the crushing tank, a discharge port arranged on the bottom surface of the crushing tank, supporting legs fixedly mounted on the bottom surface of the crushing tank, and a crushing mechanism arranged inside the crushing tank. A filtering mechanism is arranged on one side of the smashing mechanism, the smashing mechanism comprises a power part and a smashing part, the smashing mechanism is used for smashing vegetables, and the filtering mechanism comprises a vibration part and a connecting part. According to the vegetable crushing device for vegetable fine dried noodle processing, a motor is started to drive a rotating sleeve to rotate, the rotating sleeve drives an L-shaped plate and an inner gear ring to rotate, the inner gear ring drives four crushing gears to rotate, the four crushing gears drive four rotating shafts to rotate, and the four rotating shafts drive a plurality of crushing blades to rotate; and as the four groups of crushing blades are used for crushing the vegetables at the same time, the vegetables are crushed more thoroughly, and the crushing efficiency is higher.

The invention discloses a crusher for ore extraction and processing, and belongs to the technical field of crushers, the crusher comprises an outer shell, a movable jaw plate and a fixed jaw plate are arranged in the outer shell, a fixed support is connected to the top of the outer shell, and an auxiliary assembly is arranged in the fixed support. According to the device, the auxiliary assembly is arranged, the lifting box drives the sliding plate to move downwards, the sliding plate drives the hammer head to impact downwards and conduct impact crushing on ore raw materials, on one hand, the movable jaw plate and the fixed jaw plate can be matched to conduct auxiliary crushing on the ore raw materials, and on the other hand, the crushing efficiency of the ore raw materials is improved; the hammer head can independently impact and crush large ore raw materials when the large ore raw materials are clamped on the movable jaw plate and the fixed jaw plate under the clamping of the gravity and the elastic force of the second spring, damage caused by shutdown of the device is avoided, the treatment capacity of large ore is enhanced, and the crushing capacity and efficiency of the ore raw materials are improved.

The utility model discloses a building waste crushing and recycling device for indoor buildings, which comprises a crushing box, the top of the crushing box is fixedly communicated with a feed hopper, secondary crushing can be carried out on building waste through the cooperation of a primary crushing mechanism and a fine crushing mechanism, and meanwhile, through the arrangement of a linkage mechanism, secondary crushing can be carried out. A second transmission wheel connected with the end part of one group of second rotating rods can be matched with a first transmission wheel through a toothed belt to drive a transmission shaft and two groups of cams sleeved on the outer wall of the transmission shaft to rotate, the two groups of cams continuously rotate to drive a mounting frame and a filter plate in the mounting frame to slide up and down in a crushing box, and a spring deforms; and a filter plate mounted in the mounting frame is used for screening and filtering the building waste subjected to secondary crushing, so that the waste reaching the crushing standard falls into the inner bottom of the crushing box and is discharged through a second discharge port, and the waste not reaching the crushing standard slides to a first discharge port and is discharged, so that the crushing efficiency of the device on the building waste is improved, and the secondary crushing operation is reduced.

The utility model relates to the technical field of liquid fertilizer processing, in particular to a liquid fertilizer raw material homogenizing and mixing tank which comprises a tank body, a feed port and a liquid inlet are formed in the top of the tank body in a penetrating mode, a liquid outlet is formed in the bottom of the tank body, a reaction cavity is formed in the tank body, a driving motor is arranged on the outer top of the tank body, and a material cutting blade set is arranged on a driving shaft of the driving motor. The cutting blade group comprises a plurality of blades I, the blades I are arranged along the circumference of the driving shaft, and blades are correspondingly arranged on the blade edges of the blades I; at least two stages of cutting blade groups are vertically arranged on the driving shaft, and the number of blades I in each stage of cutting blade group is sequentially increased from top to bottom; a flow stirring blade group is arranged at the lower part in the reaction cavity, is arranged on the driving shaft, and comprises a plurality of blades II; an ultrasonic generator is arranged at the bottom of the reaction cavity. According to the utility model, the technical problem that solid raw materials are rapidly and completely crushed and are fully mixed and reacted with an aqueous solution is solved.

The invention discloses a textile waste cloth smashing device, and relates to the technical field of smashing equipment, and the textile waste cloth smashing device is technically characterized by comprising a first shell, a storage hopper is fixedly mounted on the upper surface of the first shell, a plurality of second shells are fixedly mounted on the lower surface of the first shell, and a filter plate is fixedly arranged at the bottom end of each second shell; a fixed cylinder is fixedly mounted on the lower surface of the first shell and located at the center of the first shell; the multiple crushing assemblies penetrate through the inner cavity of the first shell, and the bottom ends of the crushing assemblies extend into the second shell; the driving assembly is used for enabling the plurality of crushing assemblies to rotate; and the winding rod is installed at the center of the first shell, a plurality of protruding rods are fixedly installed on the outer surface of the winding rod, the protruding rods are tangent to the cutting edge of the smashing assembly, a rotating rod is arranged in the winding rod, and the problem that textile waste cloth is prone to being wound around the smashing assembly, and the smashing assembly is stuck is solved.

The invention discloses a surface strengthening method for a titanium-based piston rod part. The method comprises the following steps: 1, carrying out stretching deformation treatment on the titanium-based piston rod part to obtain the titanium-based piston rod part after tissue deformation; secondly, isothermal recovery is conducted on the titanium-based piston rod part obtained after tissue deformation, and the titanium-based piston rod part obtained after tissue regulation and control is obtained; and thirdly, the titanium-based piston rod part obtained after structure regulation and control is put into a direct-current pulse ion nitriding furnace, nitriding gas is introduced after vacuumizing, auxiliary heating and a pulse power source are started for heat preservation nitriding, and the titanium-based piston rod part with a nitriding layer on the surface is obtained. According to the method, a deformation recovery and ion nitriding combined method is adopted, the structure is effectively broken and stabilized, more effective channels are provided for diffusion of nitrogen atoms into a matrix in the nitriding process, the nitriding efficiency and the thickness of a nitriding layer are improved, and the wear resistance of a titanium-based piston rod part is enhanced; meanwhile, mechanical properties such as stretching and fatigue of titanium-based piston rod parts are not reduced, and the method is suitable for the field of titanium alloy nitriding.

The utility model discloses a core auxiliary blade telescopic PDC (polycrystalline diamond compact) drill bit which comprises a drill bit base body, a containing cavity is formed in the center of the top of the drill bit base body, a high-strength alloy spring is arranged in the containing cavity, and a center blade is inserted into the containing cavity and arranged above the high-strength alloy spring. And a plurality of core conical teeth are uniformly distributed at the top of the central cutter wing at intervals. When the drill bit breaks rocks, the peripheral cutting teeth cut and destroy rocks on the outer ring of the shaft bottom, the center rocks at the center of the shaft bottom push the center blades into the containing cavities to form rock bosses, the hardness of the center rocks is reduced, the springs stop moving after being compressed to a certain degree, the core conical teeth plough and break the rocks, and the higher the hardness of the rocks is, the higher the formed rock bosses are; based on the drill bit, self-adaption and stable drilling speed can be achieved when the drill bit is used for drilling soft and hard stratums, and high drilling speed can be achieved when the drill bit is used for drilling hard stratums.

The utility model relates to the technical field of wine, in particular to squeezing equipment for producing wine, which comprises a mounting box, the cutting structure is used for cutting the grape raw materials fed into the mounting box; the grape raw materials are squeezed and juiced through the squeezing structure, and a plurality of discharging holes are formed in the bottom end of the mounting box; the squeezed grape raw materials are collected through the collecting structure; according to the device, grape raw materials are treated in sequence through a cutting structure and an extruding structure which are mounted in a mounting box, a rotating motor drives a plurality of cutting blades to rotate so that the cutting blades can cut the rounded grape raw materials, the subsequent squeezing efficiency is improved, a plurality of pushing plates are pushed to move through an extruding motor, and the grape raw materials are squeezed through the pushing plates. And after squeezed grape juice and impurities are discharged out of the mounting box through a plurality of discharging holes, the squeezed grape juice and impurities are collected through a collecting groove and filtered through a filter screen.

The invention discloses a gas suspension type wettable imidacloprid powder smashing device which comprises a shell, a grinding space is formed in the shell, a discharging pipe is arranged at the top of the shell, a nozzle is arranged at the bottom of the shell, a grinding assembly and a scattering assembly are arranged in the shell, and the spraying assembly is arranged in the shell. The gas suspension type wettable imidacloprid powder smashing device comprises a shell, a scattering assembly is arranged in the shell, a gap exists between the grinding assembly and the inner wall of the shell, the air flow speed above the grinding assembly only can support imidacloprid powder with the particle size meeting the production requirement, and the grinding assembly is located above the scattering assembly. Small-particle imidacloprid powder is supported by flowing air and can be taken out in time, and the phenomenon of repeated grinding is avoided.

The invention relates to the technical field of pulverizers, and discloses a waste plastic pulverizer, comprising a box body, a pulverizing roller, and a driving structure. Two or more pulverizing rollers are symmetrically and rotatably installed in the box body. The driving structure is arranged at both ends of the pulverizing rollers and drives the pulverizing rollers to rotate. A cooling chamber and a steam chamber are coaxially provided in the pulverizing roller. The diameter of the cooling chamber is larger than the diameter of the steam chamber. A filter ring that only allows water vapor to pass through is arranged between the cooling chamber and the steam chamber. Pure water is introduced into the cooling chamber. A plurality of nozzles connected to the steam chamber are also arranged on the surface of the pulverizing roller, and a safety valve is arranged on the nozzle. When the surface temperature of the pulverizing roller rises, the pure water in the cooling chamber absorbs heat and evaporates, so that the surface temperature of the pulverizing roller is reduced and maintained within a reasonable range, thereby avoiding equipment damage caused by overheating, and preventing local overheating of the plastic and melting, thereby ensuring the pulverizing quality, and preventing the plastic from being deformed or adhering to the equipment due to high temperature.

The invention relates to the technical field of reprocessed plastic processing, and discloses a crusher for reprocessed plastic processing, comprising: a crushing box, the bottom of which is provided with a rectangular opening; the bottom of the crushing box communicates with the top surface of the crushing box; the crushing assembly is mounted on the crushing box; the extrusion assembly is connected with the crushing assembly, and the extrusion assembly is arranged in the feeding box; and the circulating crushing assembly is installed in the crushing box, and the circulating crushing assembly is arranged at the position below the extrusion assembly. And supporting legs are fixedly mounted at the bottom of the crushing box, and the number of the supporting legs is four. According to the plastic crushing device, a screen frame can be extruded in the rotating process through an arranged cam, then the screen frame has the vertical vibration effect under the arrangement of a second spring, crushed plastic meeting the condition can be discharged from the bottom of the screen frame, and meanwhile plastic not meeting the condition can be upwards vibrated open due to vibration, makes contact with a crushing cutter and then is crushed; therefore, the crushing efficiency is enhanced.

The utility model relates to the field of rare earth production devices, in particular to a rare earth ore crushing device which comprises a shell, a hopper is fixed to the shell, crushing shafts are arranged on the parts, on the two sides of the lower portion of the hopper, of the shell, crushing rollers are fixed to the parts, in the shell, of the crushing shafts, and the crushing shafts are driven by a crushing motor to rotate. A limiting shaft is arranged below the crushing roller, a limiting roller is fixed to the limiting shaft, fixing plates are fixed to the positions, on the two sides of the limiting shaft, of the shell, limiting motors are fixed to the fixing plates, screw rods are fixed to the output ends of the limiting motors, and limiting plates are arranged above the fixing plates; the two ends of the limiting shaft are arranged on the limiting plates and rotationally connected with the limiting plates, threaded pipes are further fixed to the limiting plates, and the screws are in threaded connection with the threaded pipes at the corresponding positions. The rare earth ore crushing device can directly crush rare earth ore for multiple times, and does not need to crush the rare earth ore again after shutdown for material taking, so that the crushing efficiency is greatly improved.

The invention relates to the field of metal nano material preparation, and discloses a supersonic gas atomization preparation method of high-dispersity spherical nano aluminum powder, which comprises the following steps: establishing a constant-temperature aluminum melt flow, and constructing a supersonic gas-solid two-phase atomization jet flow; nitrogen with the temperature lower than the melting point of the particles is used for carrying flow, solid zinc stearate particles are carried and accelerated to supersonic speed, and the aluminum melt flow is impacted; solid rigid momentum of the particles penetrates through an aluminum liquid interface to enter liquid drops, thermal relaxation time difference is used for inducing the particles to generate phase change decomposition in the liquid drops, the liquid drops are broken from the inside through volume expansion, and a carbon-zinc composite isolation layer is formed in situ through decomposition products. And high-efficiency nanocrystallization crushing under low energy consumption is realized.

The invention provides a multi-circulation type crushing device for quartz sand processing, and belongs to the technical field of quartz sand processing crushing, the multi-circulation type crushing device for quartz sand processing comprises a box body, two connecting shafts which are distributed up and down are rotatably connected in the box body, the periphery of each connecting shaft is fixedly connected with a plurality of crushing hammers which are uniformly distributed, and the crushing hammers are arranged in the box body. The outer end of each connecting shaft is fixedly connected with a first motor, and the first motors are fixedly connected with the box body. According to the quartz sand crushing device, the filter screen plate is arranged, and the crushing hammers are arranged on the upper side and the lower side of the filter screen plate, so that quartz sand can be crushed for multiple times, the crushing effect is improved, the U-shaped plate can be driven to move in the box body under the driving of the transmission assembly, and the U-shaped plate pushes the quartz sand close to the inner wall of the box body to flow; and quartz sand is prevented from being accumulated on the inner wall of the box body and is prevented from being in contact with the crushing hammer, so that the crushing hammer can fully crush the quartz sand, and the crushing effect is further improved.