1255 results about "Pulverizer" patented technology

The invention relates to the technical field of organic fertilizers and planting of watermelons and muskmelons, and provides a special fertilizer for milk irrigated watermelons and muskmelons and a double-stubble planting method for sweetness enhancement of milk irrigated watermelons and muskmelons. The special fertilizer for the milk irrigated watermelons and muskmelons comprises black goat manure, sophora alopecuroide, sesame seed meal, bran, organic fresh milk, brown sugar and zymophyte. The black goat manure is pulverized into powder by a pulverizer, the sophora alopecuroide is pulverizedinto 1 cm to 2 cm, and the ratio of the black goat manure, the sophora alopecuroide, the sesame seed meal, the brans, the organic fresh milk, the brown sugar and the zymophyte is 2700-3200: 80: 50: 150: 5: 1. The double-stubble planting method for sweetness enhancement of the milk irrigated watermelons and muskmelons comprises the following steps: selection of a nursery seedling plate and soil, cleaning and germination accelerating of seeds, soil preparation, transplanting, irrigation, topdressing, shaping and forking of watermelon and muskmelon vines and fruit bearing of the watermelons and the muskmelons. The problems that in an existing watermelon and muskmelon planting process, soil nutrients are damaged due to the fact that chemical fertilizers are used for a long time, and the sweetness of melons is reduced are solved.

The invention relates to the technical field of operation load monitoring, in particular to a grass fiber pulverizer operation load dynamic monitoring method. The method comprises the following steps: acquiring voltage and current output by a motor of a crusher, actual rotating speed, temperature and material conveying speed during crushing to obtain a load degree sequence; first-order difference is carried out on the load degree sequence, and if the difference value at the current moment is in a continuous interval with the difference value larger than zero, the continuous interval is marked as a target interval; obtaining a load degree change characteristic value of the target interval according to the target interval; acquiring a load abnormal factor at the current moment; the material conveying speed at the current moment and the input power of a motor at the current moment are adjusted according to the load abnormal factors; and after the material conveying speed at the current moment and the input power of the motor are adjusted, monitoring the abnormality of the pulverizer according to the load degree change characteristic value within the preset time duration after the current moment. According to the invention, the operation load of the grass fiber pulverizer can be accurately monitored.

The invention provides a coal-fired unit pulverized coal distribution adjustment control method based on a boiler wall temperature distribution field. According to the method, automatic adjustment of pulverized coal distribution of the coal-fired unit under the full-load working condition can be achieved, the uniformity of combustion intensity distribution is effectively improved, and the safety, the environmental protection property and the economical efficiency of unit operation are enhanced.

The invention discloses a welding device for parts of a feed grinder, and belongs to the technical field of metal plate welding. Comprising a feeding mechanism, a clamping and angle adjusting mechanism, a welding mechanism, a moving mechanism and an auxiliary function assembly, the feeding mechanism conveys plates, the clamping and angle adjusting mechanism achieves accurate clamping and posture adjustment of the plates, the welding mechanism welds the butt joint positions of the plates, and the moving mechanism drives all the mechanisms to move cooperatively. The auxiliary function assembly comprises a rotating assembly used for cleaning impurities on the end face of the plate, an air blowing and sucking assembly and a gas flow rate sensor used for detecting the sealing performance of the weld joint, and intelligent impurity cleaning, weld joint detection and defect repair welding can be achieved. The problems that existing welding equipment is low in automation degree, poor in positioning precision, incomplete in impurity cleaning and lack of a detection and repair mechanism are solved, the welding efficiency and the welding seam quality are improved, and the large-scale production requirements of feed grinder parts are met.

The utility model discloses a vertical ultrafine grinder, aiming at solving the technical problem that a discharging structure does not fully consider the smoothness of material flowing. Comprising a smashing chamber, a smashing disc located in the smashing chamber, a smashing disc rotation driving mechanism in transmission connection with the smashing disc, a feeding structure, a discharging structure and an air inlet structure, and the feeding structure, the discharging structure and the air inlet structure are communicated with the smashing chamber. A material grading wheel is arranged between the discharging chamber and the smashing chamber, a material grading wheel rotation driving motor is installed on the top of the discharging chamber, and an output shaft of the material grading wheel rotation driving motor is connected with the material grading wheel through a material grading wheel rotation driving shaft assembly installed in the discharging chamber. A discharging opening is formed in the side portion of the discharging chamber, the discharging chamber is a conical cabin with the small end facing upwards, the discharging opening is provided with a flow guide channel which is obliquely arranged upwards, and the top face of the conical cabin and the top face of the flow guide channel intersect to form an unblocked transition area.

The utility model discloses a vertical ultrafine grinder, aiming at solving the technical problem that a feeding structure can only be fixed outside the vertical ultrafine grinder in a set form. Comprising a crushing chamber, a crushing disc located in the crushing chamber, a crushing disc rotation driving mechanism in transmission connection with the crushing disc and a feeding structure communicated with the crushing chamber, and the feeding structure comprises a feeding pipe, a spiral feeder and a gear motor. The speed reducing motor is mounted on a shell of the spiral feeder and is directly in transmission connection with a rotating shaft in the spiral feeder to form a spiral feeder assembly, a spiral feeder assembly mounting interface is formed in the top of the feeding pipe, a crushing chamber butt joint interface is formed in the side part or the bottom of the feeding pipe, the spiral feeder mounting interface is horizontally arranged, and a crushing chamber butt joint interface is formed in the crushing chamber butt joint interface. The whole screw feeder assembly can be installed and supported on the screw feeder installation connector at different rotation angles on the basis that the central axis of the screw feeder installation connector serves as a rotating shaft.

The invention discloses a multi-stage crushing and vortex sorting waste aluminum regeneration smelting device, and relates to the technical field of waste aluminum recovery. Comprising a crushing mechanism, a sorting mechanism and a compressing mechanism, the smashing mechanism comprises an upper smashing box body, and two sets of smashing roller assemblies are arranged in the upper smashing box body and used for smashing waste aluminum. A lower smashing box body is arranged at the bottom of the upper smashing box body, and a cleaning mechanism is arranged in the lower smashing box body and used for cleaning waste. The sorting mechanism is located at the front end of a discharging port of the smashing mechanism and comprises a conveying frame, a conveying belt used for conveying waste is arranged on the conveying frame, an eddy current sorting mechanism is arranged in a conveying roller at one end of the conveying belt, and a plurality of partition plates are transversely and evenly arranged on the conveying frame to form a plurality of conveying channels. The compressing mechanism is located at the end of the sorting mechanism and used for compressing the crushed materials. According to the invention, multi-stage crushing, vortex sorting and compression collection are integrated, and waste aluminum is effectively recovered and treated.

The utility model belongs to the field of crushing cutters, and provides a crushing cutter structure and a crusher, which comprises a mounting shaft, a first fixed cutter rest and a second fixed cutter rest are arranged on the mounting shaft, and the two ends of the mounting shaft can be divided into a first mounting area and a second mounting area through the first fixed cutter rest and the second fixed cutter rest; the first mounting area is used for being connected with the output end of the driving part, and the second mounting area is used for being connected with the position of the fixed mounting shaft. Compared with the prior art, the tool has the advantages that the tool main body is made of tungsten steel and is embedded in the tool rest after being subjected to heat treatment, so that not only can the thermal deformation of the tool caused by welding be effectively avoided, but also the corrosion and oxidation of materials caused by welding seams can be avoided, the welding process is reduced, and the hardness and the wear resistance of the tool are greatly enhanced; and meanwhile, the optimized cutting angle design further improves the crushing efficiency, the dip angle design is more beneficial to bringing the plastic film bags into a crushing area, and the risk of bag blockage is avoided.

The utility model discloses a construction waste crushing device, which solves the problems of poor crushing effect and easiness in blockage and jamming caused by excessive feeding due to the fact that existing construction waste is input into a crusher through a feeding hopper. The crushing device comprises a feeding hopper and a crushing mechanism, and is characterized in that a feeding rack is arranged below the feeding hopper, a supporting frame is fixedly installed at the bottom of the feeding rack, the bottom of the supporting frame is fixedly installed above a feeding port of the crushing mechanism, an intermittent feeding mechanism is arranged in the feeding rack, and a material blocking mechanism is arranged in the supporting frame. Through cooperation of the intermittent feeding mechanism and the material blocking mechanism, intermittent feeding operation of building waste can be achieved, so that the feeding amount and the feeding speed of the waste are better controlled, the situation that the smashing effect is poor due to excessive waste is avoided, the waste can be prevented from being accumulated in the smashing cavity through intermittent feeding, and the risks of blockage and machine jamming are reduced.

The utility model relates to the technical field of crushing devices, and discloses a crushing roll shaft and a chain type crusher thereof, the crushing roll shaft comprises a shaft body, the outer wall of the shaft body is provided with a first crushing assembly, a second crushing assembly and a third crushing assembly; the first crushing assembly comprises a first mounting plate, a first cutting knife and a first chain unit; the second crushing assembly comprises a second mounting plate and a second chain unit; and the third crushing assembly comprises a third mounting plate and a second cutting knife. The first smashing assembly is arranged to conduct two-layer smashing on compound fertilizer materials, the descending speed of the materials is reduced, the first chain units and the second chain units are arranged to be distributed on the outer wall face of the shaft body in a staggered mode, and whether large compound fertilizer materials pass through the first smashing assembly or the second smashing assembly is smashed; and the third crushing assembly is arranged to integrally crush the compound fertilizer materials again, so that the crushing effect of the crushing roller shaft is further improved.

The pulverizer in the ultrafine pulverizing device provided by this invention includes a vertical shaft that is rotatably arranged in the vertical direction and extends out of the housing of the ultrafine pulverizing device, multiple pulverizing mechanisms connected to the vertical shaft, and a first driving member for driving the vertical shaft to rotate. By arranging the multiple pulverizing mechanisms vertically along the vertical shaft, each pulverizing mechanism includes a cutter disc on the vertical shaft, multiple pulverizing blades on the cutter disc, and a toothed ring sleeved on the outer circumference of the cutter disc. A pulverizing gap is formed between the pulverizing blades and the toothed ring, and the toothed ring is fixed to the housing. The outer diameter of the toothed ring of the lower pulverizing mechanism is larger than that of the upper pulverizing mechanism, and the pulverizing gap of the lower pulverizing mechanism is larger than that of the upper pulverizing mechanism. After screening out materials with larger particles, the screened materials can be pulverized again using multiple pulverizing mechanisms to improve the fineness and pulverizing efficiency of the materials.

The utility model discloses a kind of mill with discharge direction adjusting mechanism, including base, pulverizing cylinder, pulverizing cone, motor, receiving hopper and adjusting assembly, the surface of base is fixedly connected with pulverizing cylinder, the top of pulverizing cylinder is equipped with feed inlet, the inside of pulverizing cylinder is equipped with the rotatably connected pulverizing cone, the bottom of pulverizing cylinder is fixedly connected with motor, the output end of motor is fixedly connected with the central shaft of pulverizing cone, the bottom edge of pulverizing cylinder is equipped with discharge port, the lower end of pulverizing cylinder is equipped with the rotatably connected receiving hopper, adjusting assembly is equipped between receiving hopper and pulverizing cylinder.The utility model utilizes base, pulverizing cylinder, pulverizing cone, motor, discharge hopper and adjusting assembly to form mill, conveniently carry out pulverizing processing to material, cooperate with the rotatable adjusting discharge hopper of pulverizing cylinder bottom, the discharge direction of mill is conveniently changed, multiple production lines can be adapted to carry out production processing, improve the use efficiency of mill, simultaneously reduce the production cost of purchase pulverizing.

The utility model relates to the field of crushers, and discloses a crusher efficiency improving device which comprises a base, the top of the base is fixedly connected with a crushing box, the top of the base is provided with an adjusting groove, an inner cavity of the adjusting groove is rotatably connected with an adjusting seat, the top of the adjusting seat is provided with three grooves, and the three grooves are arranged in the adjusting seat. According to the pulverizer efficiency improving device, after an adjusting base in an adjusting groove is driven by a stepping motor to rotate by 120 degrees anticlockwise, the empty collecting box is rotated to the bottom of a pulverizing box to continue collecting, and the pulverizing efficiency is improved. The collection box with crushed materials rotates out and is covered by the fixed cover disc, so that dust settles and is prevented from scattering all around, after the second collection box collects more materials, the steps are repeated, the collection box after standing rotates to the notch to facilitate material treatment, and the problem that the efficiency is affected due to the fact that an existing crusher is difficult to continuously crush is solved.

A material separating device of a mechanical pulverizer comprises a spiral conveyor used for separating materials, the spiral conveyor comprises a machine shell and a working cavity formed in the machine shell, and an air inlet channel used for introducing positive pressure airflow into the working cavity is formed in the machine shell. According to the utility model, the structure can be greatly simplified, the cost is reduced, the operation and the maintenance are easy, the positive pressure airflow is introduced to strip the powder in the material, and the separation efficiency, the powder recovery rate and the material purity after the powder is separated are greatly improved.

The utility model relates to cable processing technical field, concretely relates to a cable outer insulation layer machine, including hot melt box and blanking machine, blanking machine fixed mounting is in the rear end of hot melt box, the inside fixed connection of hot melt box has the material conveying pipeline, the position fixed connection of hot melt box front side surface is located material conveying pipeline front end, the rear end of material conveying pipeline is fixed in the inside of blanking machine, the inside of blanking machine is provided with screening subassembly, and screening subassembly includes first material collecting hopper, second material collecting hopper, pulverizer, feed pipe, protective cover, second motor, transmission shaft, driving gear, screening cylinder, screening net and transmission gear ring, second motor drives screening cylinder to rotate, and the screening of plastic particles is carried out, and the secondary crushing of larger plastic particles is carried out through the pulverizer, effectively improve the uniformity of plastic particles, improve the melting effect, and then make internal pressure keep stable, improve the uniformity of plastic solution extrusion, and then effectively improve the production quality of cable.

The utility model is suitable for the technical field of pendulum type flour mills, and provides a refractory material pendulum type flour mill which comprises a base, the grinding disc is positioned at the top of the base; the plurality of jacks are formed in the base; the plurality of inserting rods are fixedly mounted at the bottom of the grinding disc and are respectively matched with the plurality of inserting holes; the disc cover is positioned at the top of the grinding disc; the plurality of swing type grinding mechanisms are mounted on the base and are used for carrying out grinding processing on a refractory material; the driving mechanism is mounted on the base and is used for driving the plurality of swing type grinding mechanisms to rotate; and the connecting mechanism is mounted on the driving mechanism and is used for connecting the driving mechanism and the plurality of swing type grinding mechanisms. According to the refractory material pendulum type grinding machine provided by the scheme, refractory materials can be efficiently ground, combined installation, disassembly and separation are convenient, the ground materials can be conveniently taken, and the grinding granularity can be conveniently adjusted.

The utility model relates to the technical field of scrap copper treatment equipment, and discloses scrap copper treatment equipment convenient to use, which comprises a crushing mechanism, the lower end of the crushing mechanism is connected with a classification mechanism, the classification mechanism comprises a water tank, and an air pump is fixedly arranged in the middle of one side of the water tank. The output end of the air pump penetrates through the bottom of one side of the water tank to extend into the water tank and is fixedly connected with a through pipe, four air pipes are fixedly connected to a pipe body of the through pipe, a plurality of rubber valves are fixedly arranged on pipe bodies of the four air pipes, and a plurality of holes are formed in the inner bottom face of the water tank. The multiple rubber valves are correspondingly and fixedly arranged in the multiple holes respectively, and a water outlet is formed in the other side of the water tank. According to the scrap copper crushing device, the crushing roller is driven by the motor to extrude and crush scrap copper, and meanwhile, impurities attached to the surface of the scrap copper are effectively removed by utilizing bubbles generated by the air pump and under the scouring action of the bubbles in water, so that the purity of copper materials is improved.

The utility model provides a turnover machine in a metal filing briquetting assembly line, which comprises a turnover mechanism and a driving mechanism, the driving mechanism is arranged on the turnover mechanism, a motor drives a driving roller to rotate through a gear box, a chain drives a driven roller to rotate, and a turnover hopper is in a bottom state according to a picture. The rotating chain drives the lifting plate and the lifting roller on the chain to move upwards so as to drag the turning hopper to move upwards, the sliding roller moves along the bent structure of the guide frame and is clamped at the end in the continuous upward process, at the moment, the lifting roller moves upwards to enable the turning hopper to turn over with the sliding roller as the axis, and therefore internal waste is poured into the pulverizer. And metal scraps can be poured into the pulverizer without manual operation, so that time and labor are saved.

The utility model discloses a sponge crusher, which belongs to the technical field of sponge crushing and comprises a base, supporting legs are symmetrically and fixedly connected below the base, a crushing device body is fixedly connected at one end above the base, a feeding pipe is fixedly connected above the crushing device body, and a control panel is fixedly connected at the other end above the base. The lower portion of one side of the smashing device body is fixedly connected with an air blower, the end, away from the smashing device body, of the air blower is fixedly connected with a discharging pipe, one side of the feeding pipe is provided with a dust collection assembly, and the end, away from the air blower, of the discharging pipe is provided with a collection assembly. According to the industrial dust collector disclosed by the utility model, dust flying out of the feeding hole during crushing is conveniently collected and treated, the use practicability is improved, vibration generated during working of the industrial dust collector is conveniently relieved through the damping assembly, and crushed materials are conveniently collected through the collecting assembly.

The utility model discloses a kind of steel slag pulverizer, including shell assembly and axle core component, shell assembly is hollow cavity, axle core component is located in its and both coaxial;Axle core component contains driving connection part, upper cone cylinder part etc., upper and lower cone cylinder part outside sleeve polishing sleeve, and the inner wall of shell assembly forms polishing passageway. Shell assembly is connected by upper, middle and lower shell flange, upper shell top flange plate can be dismantled and can adjust axle core component swing amplitude, lower shell has discharge port;Polishing sleeve has connecting shell outside, and its clamping structure corresponds with discharge port. The device can efficiently and uniformly polish steel slag, discharge smoothly, maintain conveniently, and is suitable for steel slag processing field.

The utility model relates to the technical field of crushers, and discloses a feeding mechanism of a vertical ultrafine grinder, which comprises a processing frame, a connecting plate is mounted on the back of the processing frame, a fixing plate is slidably connected to the inside of the processing frame, a fixing pin penetrates through the outer side of the processing frame, and the fixing plate is slidably connected to the inside of the processing frame. And the end, penetrating through the treatment frame, of the fixing pin penetrates into the fixing plate, and a movable handle is installed on the upper surface of the fixing plate. According to the feeding mechanism of the vertical ultrafine grinder, by starting a push rod motor, a moving column moves downwards to drive a pushing plate to move downwards, and then the pushing plate moves downwards to be flush with the lower surface of a processing frame, so that an operator can control parts in the feeding mechanism to feed materials more conveniently; the device can be prevented from being reversely blown in the material feeding process, the influence of reverse blowing of the materials on normal feeding of operators is reduced, and the using effect of parts in the device in the working process is further enhanced.

The utility model relates to an anti-accumulation mechanism for a non-setting adhesive production raw material pulverizer, which is arranged on a pulverizer body and comprises a support plate arranged on the pulverizer body, a filter screen for filtering non-setting adhesive production raw materials is arranged on the pulverizer body, and the support plate is provided with an anti-accumulation mechanism for preventing the non-setting adhesive production raw materials from accumulating. According to the anti-accumulation mechanism for the non-setting adhesive production raw material pulverizer, by arranging the driving module, after the driving module is started, an eccentric wheel is driven to rotate, due to the special shape of the eccentric wheel, a rolling wheel moves in a sliding rail groove, and then a supporting rod and an L-shaped rod are driven to reciprocate up and down; due to the movement of the filter screen, the crushed non-setting adhesive production raw materials cannot be accumulated on the filter screen, so that the accumulation of the non-setting adhesive production raw materials is avoided, and the smooth blanking of the crushing machine body is ensured.

The invention relates to the technical field of energy processing, and provides a powder alternative fuel system, which comprises a crushing bin; a supporting part is arranged at the bottom of the crushing bin, a mounting frame is arranged on one side of the crushing bin, a crushing bin is arranged on the surface of the mounting frame, two sets of symmetrically-arranged crushing parts are arranged on the inner wall of the crushing bin, and a driving part matched with the crushing parts is arranged on one face of the crushing bin. According to the device, raw materials are thoroughly and homogeneously crushed into fine powder through combination of a double-roller type coarse crusher and a high-speed crusher, a heating pipe and a temperature control system are innovatively integrated in a crushing bin, online drying can be performed according to the humidity of the raw materials, and the fuel heat value is increased. The processed powder fuel is stably and directly conveyed to a combustor in an anti-blocking and anti-backfire mode through a spiral-rotary valve-wind power jet mechanical and pneumatic two-stage closed conveying chain, and full-process automatic and closed operation from raw materials to ignition points is achieved.

The utility model relates to the technical field of universal crushers, in particular to an anti-residue universal material crusher. The device comprises a crushing operation shell, a discharging shell is arranged at the bottom of the crushing operation shell, a supporting table is arranged on the outer wall of the crushing operation shell, a cylindrical screen is movably arranged in the crushing operation shell, a crushing assembly is further arranged in the crushing operation shell, a screen rotating assembly is arranged below the cylindrical screen, and the screen rotating assembly is in transmission connection with the cylindrical screen. The screen rotating assembly is further in transmission connection with the smashing assembly, and a feeding assembly is arranged on the front face of the smashing operation shell. Through the matched design of the screen rotating assembly and the scrapers, the motor drives the cylindrical screen to rotate at a low speed through transmission of the chain wheel and the chain while driving the crushing operation, the scrapers tightly attached to the inner wall of the screen continuously scrape, powdery materials adsorbed or adhered to the surface of the screen due to static electricity can be removed in time, and the problem of screen blockage is effectively solved through the design; and the screen is always kept in a good transparent state.

1. Name of the product in this design: Crusher. 2. Purpose of this design: Processing equipment for crushing materials. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the technical field of waste heat exchange, and discloses a metallurgical dust and mud rotary kiln slag waste heat exchange device which comprises a bottom column, and a supporting mechanism is fixedly installed above the bottom column. A pulverizer shell is fixedly installed above the supporting mechanism, two rolling wheels are rotationally installed on one side of the pulverizer shell, and one end of each rolling wheel extends into the pulverizer shell. The first motor is started through the controller to drive the rolling wheels to rotate, the other rolling wheel is driven to rotate through belt transmission, the two rolling wheels rotate to drive the two crushing wheels to rotate, then kiln slag is added into the crusher shell, and the kiln slag enters the feeding pipe after being extruded and crushed through the crushing wheels and the inner wall of the crusher shell and finally enters the heat exchange cylinder. Compared with a traditional device, the device has the advantages that the kiln slag is crushed and then exchanges heat with water, so that the heat exchange efficiency can be improved, and the working efficiency of the device is improved.

The utility model discloses a feed processing pulverizer which comprises an outer box, the top of the outer box is provided with a feeding hopper, the outer box is internally provided with a pulverizing assembly, and the pulverizing assembly comprises a mounting plate, a feeding pipe, a discharging pipe, a movable pulverizing disc, a movable pulverizing face, a rotating shaft, a static pulverizing disc, a static pulverizing face, an inner box and a main motor. The number of the mounting plates is two, the two mounting plates are symmetrically arranged front and back, an inner box is fixedly connected between the two mounting plates, and a feeding pipe is fixedly connected to the top of the inner box. The outer box, the feeding hopper and the crushing assembly are arranged, the space between the outer box and the inner box is filled with foam particles, generated vibration and noise can be absorbed in the crushing process, and therefore noise pollution is reduced, meanwhile, the crushing assembly is provided with a plurality of movable crushing discs and static crushing discs which are horizontally arranged, fine feed particles can be fully crushed, and the crushing efficiency is improved. And due to the arrangement of the upper layer and the lower layer, the crushing is finer.

The application discloses a biomass charcoal-based water grass mud particle production system and method, relates to the field of waste resource utilization and water grass mud production and preparation, and produces waste biomass and shield mud into biomass charcoal-based water grass mud particles through a pulverizer, a storage hopper, a mixing and granulating system, a drying system, a pyrolysis system, a combustion system, a waste heat utilization system, a cooling and discharging system, a screening and packaging system, a tail gas treatment system and an electrical automatic control system. The product is black particles, has the characteristics of long-term soaking, not easy to powder, not muddy, rich in nutrition, pollution reduction and carbon sequestration, can replace the water grass mud prepared by taking black soil as raw material for fish tank landscaping, has wide application prospect and market value, realizes high-value reuse of waste biomass and shield mud, and opens up a new road.

The application relates to a waste recycling equipment in concrete production and belongs to the technical field of waste recycling equipment. The waste recycling equipment comprises a rack, a crushing mechanism and a cleaning mechanism. The cleaning mechanism comprises a temporary storage part for temporarily storing materials, a cleaning cylinder for cleaning the materials, a cleaning driving part for driving the cleaning liquid and the materials in the cleaning cylinder to rotate, and a discharging assembly for discharging the cleaned materials in the cleaning cylinder. The application carries out multi-stage crushing treatment on the waste concrete through the crushing mechanism, temporarily stores the crushed materials through the temporary storage part, discharges the crushed materials into the cleaning cylinder, drives the cleaning liquid and the materials in the cleaning cylinder to clean and grind through the cleaning driving part, discharges the impurities and the cleaning liquid through the discharging assembly, removes the loose particles and the weak layer on the surface of the crushed materials, adjusts the particle size and shape of the materials, and finally improves the quality of the waste concrete crushing recycling products.

The utility model relates to the technical field of material production and processing, and discloses a feeding device and a material pulverizer. The first section of the feeding pipe is communicated with the pulverizer body, the second section of the feeding pipe is filled with materials, the first section of the gas path pipeline is communicated with the feeding pipe, and an outlet of the first section of the gas path pipeline and an outlet of the first end of the feeding pipe are located on the same axis, so that compressed gas flowing out of the gas path pipeline is horizontally blown to the outlet of the first end of the feeding pipe; and materials in the feeding pipe are fed into the crusher body to be crushed. According to the feeding device, the use of non-magnetic materials is reduced, so that the introduction of non-metal foreign matters caused by abrasion is avoided, the product quality is ensured, in addition, the arrangement of a spiral device is reduced, the accumulation of materials at dead angles of the structure is avoided, the blockage of the materials is avoided, the feeding efficiency is ensured, and the production efficiency is improved.