26 results about "Crushing action" patented technology

The invention discloses a sampling device for traffic geology surveying and mapping exploration, and relates to the field of geological prospecting, the sampling device comprises a U-shaped moving plate and a sampling pipe, the sampling pipe is located above a U-shaped groove of the U-shaped moving plate, a drill bit is installed at the bottom end of the sampling pipe, a sleeve is arranged in the sampling pipe, two annular blocks are fixed on the inner wall of the sleeve, a vertical rod is arranged in the sleeve, and the vertical rod is connected with the drill bit. A threaded pipe is arranged on the upper surface of the drill bit, a movable cavity is formed in the pipe wall of the threaded pipe, a movable plate is slidably installed in the movable cavity, the bottom end of the movable plate penetrates out of the movable cavity to be fixedly connected with the top end of the drill bit, internal threads are arranged on the inner wall of the bottom end of the sampling pipe, and external threads of the threaded pipe are connected with the internal threads in a meshed mode; according to the rotary drilling device, the drill bit can form continuous and stable impact crushing action, drilling resistance caused by hard rock strata and special geological structures is effectively broken through, and propelling difficulty caused by pure rotary drilling is avoided.

The invention discloses an anti-accumulation sorting type conveying device based on powder continuous machining, relates to the technical field of powder conveying, and aims at solving the problems that fatigue damage is generated under frequent air pressure deformation in the powder continuous machining process, and high-corrosion powder cannot be conveyed. The volume of a shaft crushing area between the movable ring crushing ring and the static ring crushing clamping seat is changed by continuously rotating the movable ring crushing ring with the height changed, and the contact mode between powder and the movable grinding ring is converted into a dynamic contact mode, so that the synchronous crushing action in the powder conveying process is realized; and then grading output is carried out in the subsequent state after powder crushing, specifically, conical holes in the sorting plates are combined with the high-air-pressure blowing effect, respective conveying is achieved through the reversing action of the sorting plates after sorting, and powder crushing is achieved through the combination of the conical holes and the high-air-pressure blowing effect and the combination of dynamic volume change and dynamic contact action. And the purpose of anti-accumulation sorting during powder processing and conveying is achieved through the assistance of classified screening after powder crushing and a reversing conveying mode.

This utility model discloses a wear-resistant hammerhead for a crusher, specifically relating to the field of hammerhead technology. It includes a hammer handle with a reinforcing connecting assembly. The reinforcing connecting assembly includes a hammerhead body located at one end of the hammer handle. A guide slope is formed at one end of the hammerhead body, and a reinforcing carbonized wear-resistant plate is welded onto the guide slope. This utility model uses the guide slope to ensure that the force point of the crushing action is concentrated at a specific location when the hammerhead body rotates, achieving more targeted crushing. Furthermore, the reinforcing carbonized wear-resistant plate and reinforcing chromium carbon strip improve the wear resistance of both the guide slope and the hammerhead body. The addition of a reinforcing side abutment plate positions the reinforcing carbonized wear-resistant plate welded onto the guide slope, preventing it from detaching and ensuring the stability of the reinforcing carbonized wear-resistant plate under stress during crushing.

This utility model relates to the field of road snow removal technology, specifically a snow and ice removal device for roads and bridges. It includes a snowplow, with a snow-scraping shell fixedly installed at its front end. A snow-scraping blade is rotatably mounted on the inner wall of the snow-scraping shell. A snow-shoveling device is located at the bottom of the snowplow, including a rotating shaft rotatably mounted at the bottom of the snowplow. A turntable is fixedly installed at the bottom end of the rotating shaft, and a mounting rod is fixedly installed near the outer bottom of the turntable. This utility model utilizes the periodic forward and backward movement of a sliding rod within an inclined sliding cylinder to allow the scraper to cut into the snow and ice layer with a downward impact force. Simultaneously, the rotating and crushing action of the blade, along with suction and throwing, forms a triple snow removal mechanism of "impact scraping - mechanical crushing - negative pressure cleaning." This reciprocating motion simulates the movement of a human hand shoveling snow, improving the scraper's efficiency in removing stubborn ice and snow, significantly reducing manual rework and the use of de-icing agents.

The utility model discloses a cavity cleaning cylinder for a jaw type multi-cylinder crusher. The cavity cleaning cylinder is characterized by comprising a cavity cleaning cylinder body and an elastic buffering piece, wherein the cavity cleaning cylinder body is connected with a jaw type crusher main body and a movable jaw on the jaw type crusher; the elastic buffering piece has an elastic buffering effect on the cavity cleaning cylinder body in the reciprocating action process of a movable jaw plate; and the elastic buffer piece comprises a connecting sleeve which is movably connected with the cavity cleaning cylinder and the jaw crusher main body, and a spring which is arranged in the connecting sleeve and has an elastic buffer effect on the cavity cleaning cylinder. Through the arrangement of the cavity cleaning cylinder body, when a material is clamped between the movable jaw and the static jaw, the cavity cleaning cylinder body is started to drive the movable jaw to act so as to enlarge the distance between the movable jaw and the static jaw, so that the clamped material falls out, then the cavity cleaning cylinder drives the movable jaw to reset, and the material crushing action is continued after the movable jaw is reset.

This utility model discloses a crusher, comprising: a crushing cup; a crushing hammer, which has a hammer shell and a counterweight located within the hammer shell; the hammer shell has an upper shell and a lower shell fixedly mounted thereon, the upper shell having an upper limit rib blocking the upper end of the counterweight, and the counterweight being located in the lower part within the hammer shell. The hammer shell is assembled from a split upper shell and lower shell, which can be injection molded, thus reducing manufacturing costs. The counterweight within the hammer shell serves two purposes: first, it increases the overall weight of the crushing hammer, utilizing gravitational potential energy to assist crushing, making operation easier; second, it lowers the center of gravity, causing the crushing hammer to generate a greater vertical impact force and a larger swing amplitude during descent, thus improving crushing efficiency. The upper limit rib within the upper shell blocks the upper end of the counterweight, keeping it fixed during crushing and ensuring smooth and precise crushing action.

This invention provides an energy-saving crushing device for recycling scrap metal, relating to the field of crushing device technology. It includes a base, with a housing fixedly connected to the upper surface of the base, an adjusting mechanism, and a limiting mechanism. The limiting mechanism is located inside a moving block, which has a transverse groove. Through the coordinated operation of the adjusting mechanism and the limiting mechanism, the device automatically triggers a pressure crushing action to address the problem of large or high-hardness metal blocks easily getting stuck. This avoids material blockage caused by the crushing roller jamming, and at the same time, prevents the drive motor from burning out due to overload operation, significantly reducing the equipment failure rate and extending the overall service life of the device. Furthermore, the limiting mechanism can stably limit the position of the adjusting structure, preventing it from sliding randomly due to material compression, ensuring the spacing accuracy of the crushing structure in conventional crushing operations, and ensuring consistent crushing effects for different batches of scrap metal.

The invention relates to the technical field of material crushing treatment equipment, in particular to improved double-shaft linkage type crushing discharging equipment which comprises an equipment body, the equipment body comprises a stand column support, and a hopper is installed at the upper end of the stand column support; a plurality of driving motor assemblies are symmetrically arranged at the side ends of the stand column support, and the output ends of the driving motor assemblies are in transmission connection with the sealing cover plate; a material door assembly is assembled at the bottom of the hopper; a plurality of driving cylinder components are arranged on the side wall of the outer end of the hopper side by side; the output end of the driving air cylinder assembly is in transmission connection with the material door assembly, and the material door assembly can be rotationally opened and closed through the driving air cylinder assembly. A material crushing power assembly and a plurality of material crushing driven assemblies are assembled in the hopper in a penetrating manner and are in meshing transmission; the material crushing power assembly performs material crushing action and drives the material crushing driven assembly to perform synchronous material crushing action; according to the material crushing and discharging device, efficient crushing and stable discharging of materials can be achieved, and the requirements for material crushing precision and discharging efficiency in industrial production are met.

This invention discloses a feeding device for the production of hydroxyapatite powder, aiming to solve the problems of uneven feeding, clogging, and dust pollution caused by the poor flowability and easy agglomeration of this type of powder. The device includes a frame, a feeding channel, a crushing device and a dust removal assembly located within the channel. The crushing device includes a fixed rod and a movable crushing shovel driven by a drive assembly, effectively preventing material bridging and agglomeration through active, reciprocating crushing action. The dust removal assembly includes a suction chamber, a filter screen, and a cleaning roller brush. When the crushing shovel moves, this mechanism can be periodically actuated, driving the cleaning roller brush to automatically clean the dust accumulated on the filter screen. This invention cleverly combines active crushing with a mechanically linked self-cleaning dust removal function, eliminating the need for an additional power source for the cleaning function. Its compact structure enables uniform, stable, and dust-free feeding, effectively improving production efficiency and environmental quality.

The invention belongs to the field of PE film recycling and cleaning, and discloses a cleaning machine special for a PE film, the cleaning machine special for the PE film comprises a crushing box and further comprises roller shafts, the roller shafts are arranged on the two sides of the inner wall of the crushing box through bearings, and the outer surfaces of the roller shafts are fixedly sleeved with crushing rollers. Through mechanical transmission structures such as a bevel gear, a connecting rod, a rack gear and the like, the four actions of crushing, pressing of a pressing plate, swinging of a screening plate and stirring of a liquid storage box are synchronously achieved, extra motor driving is not needed, and the low-cost operation requirement of a small recycling workshop is met; the PE film is pressed between the crushing roller and the blades when being pushed towards the crushing area, insufficient crushing caused by material slipping is avoided, and the crushing uniformity is high through cooperation of the first crushing blades and the second crushing blades which are arranged in a staggered mode.

The application discloses an environment-friendly sand making system for mines, which is provided with a feeding hopper, a belt conveyor and a compression crusher. The discharging action of the feeding hopper, the conveying action of the belt conveyor and the crushing action of the compression crusher are linkage performed in the same period. A first linkage member is arranged on the side of the control roller at the feeding end, and a second linkage member is arranged close to the control roller at the discharging end. The control roller rotates to perform the conveying action of the belt conveyor, and drives the control material assembly to perform the opening and closing action through the first linkage member and drives the movable jaw plate to reciprocate through the second linkage member. In the application, the control material assembly is periodically opened and closed to control the step-by-step discharging of the sand and stone in the feeding hopper, so that the material conveying amount per unit time is reduced. The crushing action of the compression crusher is performed on the quantitative stone each time, and the crushed stone amount each time is controlled, so that the compression crusher is prevented from being blocked, and the sand making system is continuously, effectively and stably performed.

The utility model discloses chicken powder fine crushing equipment, which belongs to the field of chicken powder production and comprises a bottom plate. The power mechanism is arranged on the bottom plate; the two bearing frames are respectively arranged on the bottom plate; a rotating rod I is rotationally arranged in the bearing frame; a gear I is arranged on the rotating rod I on one side and is connected with a power mechanism; the bearing assembly is arranged between the two rotating rods I; the bearing assembly comprises a sleeve frame arranged between the two first rotating rods. The rotating ring is rotatably arranged in the sleeve frame; and the charging barrel is arranged in the rotating ring and is used for loading a chicken powder raw material. According to the fine crushing equipment for the chicken powder, the charging barrel is turned over while rotating when the chicken powder raw material is crushed, the chicken powder raw material is continuously turned over in the charging barrel, the momentum of the chicken powder raw material in the charging barrel in the crushing process is improved, and the crushing effect of the chicken powder is improved in cooperation with crushing of the cutting mechanism; and fine crushing is realized.

The invention relates to the technical field of waste plastic recovery, in particular to a polyhydroester thermal insulation pipe waste foam crushing, screening and recovering system. The device comprises a crushing device used for executing shearing and crushing actions on the polyurethane thermal insulation pipe, the crushing device comprises a crushing cavity, a shearing knife set used for crushing the polyurethane thermal insulation pipe is arranged in the crushing cavity, and a grating is arranged at the bottom of the shearing knife set and used for enabling materials obtained after the polyurethane thermal insulation pipe is crushed to naturally fall out of the crushing cavity; when the gravity difference of particles on the two sides of the rotating shaft at the top of the baffle exceeds the deformation resistance of the coil spring, the balance of the baffle in the overturning channel is broken, the baffle inclines in the overturning channel, and the rotating shaft drives the limiting block at the tail end of the periphery of the coil spring to slide out of one limiting groove and slide along the inner wall of the sliding space. Meanwhile, due to the fact that the baffle inclines, the balance weight ball in the movable cavity slides downwards under the action of the gravity of the balance weight ball, and it is guaranteed that the limiting block can slide into the next limiting groove.

The invention provides a plastic material edge recycling device and method, relates to the technical field of plastic recycling, and solves the problem of poor fragment uniformity. The device comprises a first conveyor, a heating device, a pressing device and a crushing device. The first conveyor can convey the material edge to the heating section through the first conveyor so that the material edge can be heated by the heating device to be in a softened state. And the softened material edge is pressed by the pressing equipment to form a transverse indentation groove. And after the first conveyor outputs the softened material edge out of the heating section, the material edge can be gradually cooled and hardened to obtain a stable indentation groove. And the indentation groove becomes a weak part of the material edge. After the material edges are conveyed to the crushing equipment by the first conveyor, due to the indentation grooves formed in the material edges, under the crushing effect of the crushing equipment, the material edges are easier to break with the indentation grooves as boundaries. In this way, only pressing equipment is needed to press the indentation grooves in the material edge at certain intervals, and fragments more uniform in size and shape can be obtained easily.

The invention relates to the technical field of pipeline desilting equipment, in particular to an intelligent pipeline desilting robot which is characterized in that a moving assembly is connected with a hydraulic power station, and the hydraulic power station provides power for the moving assembly so as to drive a desilting robot body to move; the execution assembly is connected with the hydraulic power station, the hydraulic power station provides power for the execution assembly so as to drive the execution assembly to execute the dredging action in the pipeline, and the dredging action comprises at least one of the smashing action, the pumping action and the flushing action; the collecting assembly is used for collecting multi-source environment data of a pipeline where the dredging robot body is located and transmitting the multi-source environment data to the operation assembly through the hydraulic power station, and the operation assembly generates an operation instruction according to at least one of the multi-source environment data and the user operation intention. The operation instruction comprises a moving instruction and / or a dredging instruction of the dredging robot body. Therefore, the problems of large size, high cost, poor applicability and the like of pipeline dredging equipment in the related technology are solved.

The invention provides environment-friendly petroleum drilling tailing treatment equipment, and relates to the field of tailing treatment, the environment-friendly petroleum drilling tailing treatment equipment comprises a bottom frame, a vibrating screen is mounted at the top of the bottom frame, a screen mesh is mounted in the vibrating screen, a cover plate is mounted at the top of the screen mesh, a crushing mechanism is mounted in the vibrating screen, and a driving mechanism is mounted outside the vibrating screen; and the vibrating screen is connected with a negative pressure mechanism. The adhered tailings are pulled up, impacted and crushed through the crushing mechanism, the intermittent crushing action is realized in cooperation with the driving mechanism, and meanwhile, the separation and discharge of the drilling fluid are accelerated by virtue of the negative pressure mechanism, so that the problems that the tailings are adhered and drilling cuttings cannot be effectively dispersed and recycled due to the high-molecular polymer water-based drilling fluid in the background art are solved.

The utility model provides a raw material screening device for furfural processing, which relates to the technical field of furfural processing equipment and comprises a crushing cylinder, a screening device and a screening device. The crushing cylinder is of a cylindrical cavity structure, and a crushing frame is fixedly mounted in the crushing cylinder; a rotating disc is arranged in the crushing frame; a screening net frame is arranged below the crushing frame, a crushing roller and a crushing bottom plate are matched up and down to crush raw materials for furfural processing, and through the structural characteristics of the crushing bottom plate and the screening net plate, preliminary screening treatment can be performed in the raw material crushing process, so that the operation steps of furfural raw material processing are simplified, the processing operation is more convenient, and the production efficiency is improved. The production efficiency of the device is effectively improved, and the problem that when an existing raw material screening device for furfural processing is used, due to the fact that the raw material crushing action and the screening process need to be carried out step by step in a matched mode, operation steps are tedious, and the production efficiency of the device is poor is solved.

The invention discloses a hydrogen storage material production all-in-one machine, and relates to the technical field of hydrogen storage material production, the hydrogen storage material production all-in-one machine comprises a main machine, a powder lifting structure and a refining machine, the powder lifting structure is installed between the main machine and the refining machine, the hydrogen storage material production all-in-one machine further comprises a main shaft, the main shaft is rotatably installed on the main machine, a first positioning plate is fixedly installed on the main shaft, and a second positioning plate is fixedly installed on the main shaft; a positioning plate II is fixedly mounted on the positioning plate through a fixing rod; and the auxiliary shaft is rotationally installed on the main machine, the end, located in the main machine, of the main shaft rotates in the auxiliary shaft, and an installation plate is installed on the auxiliary shaft in a threaded mode. The magnesium powder secondary crushing device has the advantages that secondary crushing of magnesium powder can be driven through rotation treatment of the auxiliary shaft in the milling process, the vertical cutter block is continuously cleaned by the air injection cover through the secondary crushing action, the milling effect of the vertical cutter block is guaranteed, meanwhile, the overall milling uniformity degree can be improved, and the milling efficiency is improved. And the fine milling effect of the magnesium ingot is greatly improved.

This utility model discloses a laundry detergent mixing device, including a mixing cylinder. The bottom end of the mixing cylinder is used to discharge the mixed laundry detergent. The top end of the mixing cylinder is open and connected to an external feeding device. A grinding disc is installed at the top of the inner cavity of the mixing cylinder. A driving component passes through the center of the grinding disc. The top end of the driving component is fixedly connected to the mixing cylinder, and the bottom end of the driving component passes through the grinding disc and is driven by a moving screen. A stationary screen is slidably connected to the moving screen. The stationary screen is fixedly connected to the inner wall of the mixing cylinder. A guide cylinder is provided between the moving screen and the grinding disc. A fixing ring is sleeved on the outer side of the grinding disc. A connecting block is fixedly connected to the inner wall of the fixing ring, and the fixing ring is fixedly connected to the grinding disc through the connecting block. A roller is driven by the driving component and is adapted to and slidably connected to the grinding disc. This utility model can replace traditional stirring by the crushing action of the roller and the grinding disc, reducing powder resistance and energy consumption.

The utility model provides a waste automobile glass crushing device, and belongs to the technical field of glass recovery. The waste automobile glass crushing device comprises a pitching-adjustable crushing box, a translation piece is arranged in the crushing box, a crushing roller is rotationally connected to the translation piece, a flat pressing piece is arranged on the upper portion in the crushing box, a bottom plate is slidably connected to an elastic slope of the bottom wall of the crushing box, and a blocking piece is arranged at an outlet of the crushing box. The plugging piece abuts against the tail end of the bottom plate. The glass crushing device has the following effects that arc-shaped glass is firstly flattened by utilizing the flat pressing piece, then the glass is rolled and crushed in a reciprocating manner by utilizing the translation piece to drive the crushing roller, meanwhile, the distance between the bottom plate and the crushing roller can be adjusted by utilizing the plugging piece, so that the crushing effect is improved, and finally, the plugging piece is opened; glass fragments are discharged backwards by utilizing the inclination of the crushing roller and the crushing box, and various crushing actions are concentrated in the crushing box, so that the overall size is effectively reduced.

The invention provides fine pig feed processing equipment, and belongs to the technical field of feed processing, the fine pig feed processing equipment comprises a shell, the bottom of the shell is rotatably connected with a crushing base station, the top of the shell is provided with a top cover, the peripheral side of the crushing base station is provided with a concentrated ring shell, and one side of the bottom of the concentrated ring shell is provided with a delivery cavity channel; a material stirring piece is fixedly connected to one side of the bottom of the peripheral side of the shell, an assembling chamber is reserved in the shell, a smashing assembly is arranged in the shell, and a linkage assembly is arranged above the smashing assembly. The problems that pig feed processing mostly adopts a single-time crushing mode, so that the feed uniformity is poor, only one-time crushing action can be executed, the feed is not fine enough, the fine feed processing requirement is difficult to meet, and the feed quality is affected are solved.

This invention discloses an integrated soil loosening and fertilizing machine for landscape gardening, relating to the technical field of integrated soil loosening and fertilizing machines. It includes a frame, a push handle, and wheels. The push handle is fixed to the rear end of the frame, and the wheels are rotatably connected to the front end of the push handle. It also includes a hopper, a disc, and a second component. Through the coordinated design of the second and third components, the generation of fine powder can be effectively reduced, breaking the vicious cycle of "broken fertilizer—sticking to the wall—re-clogging." Existing rotating mixing structures continuously disturb the flow, easily generating a large amount of fine fertilizer powder. This fine powder is highly adhesive and easily adheres to the hopper wall, further exacerbating material accumulation, agglomeration, and secondary clogging. This design eliminates forced mixing and crushing actions, using vertical piercing and horizontal loosening to break up bridging and rat holes throughout the process. It does not grind and generate fine powder materials, reducing fertilizer sticking to the wall and solidifying at the source, breaking the vicious cycle problem caused by traditional mixing structures, making the hopper discharge cleaner and smoother, and preventing material residue accumulation during long-term operation.

The invention relates to the technical field of garden waste treatment, in particular to a fallen leaf centralized treatment device which comprises a base, a treatment barrel, a driving mechanism, a smashing assembly, a smashing and inoculating integrated mechanism, a directional block assembly and a throwing assembly. After fallen leaves are fed into the treatment barrel through the feeding hopper, the driving mechanism drives the driving shaft to rotate, the composite smashing action of the smashing assembly and the smashing and inoculating integrated mechanism is achieved, meanwhile, the external inoculating liquid supply device conveys inoculating liquid to the smashing and inoculating integrated mechanism through the guide pipe, and smashing and inoculating are conducted synchronously. And the directional block assembly screens and retains the fallen leaves which are not completely crushed, and the throwing assembly drives the directional block assembly to reciprocate up and down, so that material blockage is avoided, and the contact sufficiency is improved. The device is high in crushing efficiency, uniform in particle, good in inoculation effect and capable of effectively shortening the decay period of the fallen leaves and achieving efficient resource utilization of the fallen leaves.

The invention discloses a waste plastic processing, recycling and regenerating device, and relates to the technical field of waste plastic processing, recycling and regenerating, the waste plastic processing, recycling and regenerating device comprises an edge grinding and impurity removing assembly and a crushing assembly, the edge grinding and impurity removing assembly comprises a gas-liquid transfer cylinder, a grinding part is slidably connected to the interior of an arc-shaped plate, and the crushing assembly is arranged on the side face of the edge grinding and impurity removing assembly. According to the waste plastic processing, recycling and regenerating device, a pressure sensor at the end part of an arc-shaped spring telescopic rod can detect a pressure value during crushing of a cutting blade in real time, accurately judge the passivation condition of a cutting edge of the corresponding cutting blade and trigger a corresponding grinding piece to extend out and move back and forth along with a distribution box, so that non-stop accurate grinding of the passivated cutting edge is realized; the whole set of cutting blades on the roll shaft do not need to be shut down and replaced, the interruption time of machining and recycling operation is effectively shortened, the blade replacement cost is reduced, resource waste caused by not seriously abraded blades is avoided, the differential crushing action of the main shaft and the auxiliary shaft is not affected by grinding operation, and the continuous crushing operation efficiency of equipment is guaranteed.

The invention relates to the technical field of double-screw extruders, and discloses a heat recovery efficient circulation double-screw extruder which comprises a machine base. The top end of the machine base is sequentially provided with a driving mechanism, a main feeding mechanism, a side feeder, a machine barrel, double screws, a mouth mold for extruding continuous products and a control mechanism for automatically and intelligently controlling the whole machine, and the main feeding mechanism comprises a driving assembly, a feeding hopper, a stirring rod, a spiral blade and a bridging crushing assembly; the bridge crushing assembly is movably connected to the bottom end of the driving assembly, located at the lower end of an outlet of a spiral blade at the bottom of the straight barrel material cavity and used for crushing a bridge, forward rotation and reverse rotation are achieved through a rotating rod by means of falling power of plastic raw material particles, and the bridge crushing action is rotationally and downwards pressed through a spiral sliding block structure. The bridging phenomenon is automatically detected and eliminated, the flowing efficiency of plastic raw material particles in the hopper is improved, the bridging phenomenon is effectively avoided, and the spiral blade is protected.

The present application relates to the technical field of dust prevention for slag outlet, and discloses a dust prevention and removal auxiliary equipment for boiler slag outlet, which comprises a separation cylinder, an inertia dust suppression assembly is arranged in the separation cylinder, the inertia dust suppression assembly comprises a plurality of inertia pre-separation plates connected to the inside of the separation cylinder, when the mixed slag block contacts the inertia pre-separation plate, the slag block rebounds and falls under the action of inertia, and the dust attached to the surface of the slag block flies due to the impact, since the inertia pre-separation plates are arranged in a spiral shape, the slag block and the dust are guided on the plate surface to form preliminary separation, then, the dust airflow forms a certain rotational flow under the centrifugal action of the spiral turbulent guide plate, and is thrown into the dust collection bin along the spiral gap, while the external fan two continuously absorbs dust through the spiral gap to realize efficient dust removal, in addition, the slag block is also subjected to a certain crushing action in the collision process with the inertia pre-separation plate, thereby further reducing the amount of dust attached to the surface of the slag block.