2069 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 discloses mobile water and fertilizer integrated equipment, and relates to the technical field of agricultural planting, the mobile water and fertilizer integrated equipment comprises a flat trolley, a fertilization tank and a crushing mechanism arranged on the fertilization tank, the crushing mechanism comprises a grinding assembly, the grinding assembly comprises a pipe body arranged above the fertilization tank, and an upper grinding disc and a conical lower grinding disc arranged in the pipe body; through the designed crushing mechanism, three-stage bulges are arranged on a conical lower grinding disc, a progressive crushing channel is formed in cooperation with a circular groove of an upper grinding disc, granular fertilizer needs to sequentially pass through gaps among the three-stage bulges, the crushing time of the granular fertilizer is prolonged, the granular fertilizer which is not completely crushed is crushed again in cooperation with the upper grinding disc and a net ring, and the crushing efficiency is improved. A conical plate and a conical seat in the discharging assembly can be synchronous with the rotating speed of a stirring frame and an upper grinding disc by adjusting the size of an opening, so that the concentration of water containing fertilizer liquid discharged from a water discharging pipe is consistent.

The utility model discloses a superfine powder jet mill which comprises a base, a crushing tank, a crushing component and a feeding component, and the crushing tank is mounted above the base. The crushing assembly is arranged, under the arrangement of a blocking net, materials are prevented from falling to the position close to a supersonic nozzle, crushing of the supersonic nozzle is affected, or the supersonic nozzle is blocked, the height of a cleaning brush and the height of an air nozzle can be adjusted through an electric push rod, and under the arrangement of the cleaning brush and the air nozzle, a grading rotor can be cleaned; under the arrangement of an air compressor and a supersonic nozzle, the materials entering the crushing tank are accelerated to impact and collide with crushing teeth repeatedly, superfine crushing of the materials is achieved, a first motor is used for driving a worm to rotate, the worm rotates to drive a worm gear to rotate, the worm gear rotates to drive a vertical rod to rotate, and the vertical rod rotates to drive the grading rotor to rotate; and the vertical rod rotates to drive the crushing wheel to rotate, and under the cooperation of crushing teeth, the materials are efficiently and fully crushed, so that the overall processing efficiency is improved.

The invention relates to a device for preparing rubber powder by adopting a high-pressure water jet composite method, which comprises a high-pressure water generating system, a multi-nozzle cutting head, a rotary crushing cylinder assembly, a rotary filtering cylinder assembly, a liquid collecting cylinder, a fixed seat and a base, the fixed seat comprises an upper mounting plate, a lower mounting plate and a stand column connected between the upper mounting plate and the lower mounting plate, the multi-nozzle cutting head and the rotary crushing cylinder assembly are mounted on the upper mounting plate, the rotary filtering cylinder assembly is mounted on the lower mounting plate, the liquid collecting cylinder is mounted on the stand column, and the high-pressure water generating system is communicated with the multi-nozzle cutting head. And the rotary crushing cylinder assembly comprises a crushing cylinder and a crushing rotating device. High-pressure water jet and mechanical smashing are efficiently combined, a double smashing mechanism of non-contact cutting and mechanical shearing is achieved, the production requirement of fine rubber powder is met, layered multi-nozzle covering cutting of the multi-nozzle cutting head is achieved, and energy consumption is remarkably reduced.

The utility model relates to the technical field of ore crushing, and discloses a crusher for mineral separation, which comprises a base, a crushing barrel, a blanking barrel, a shearing crushing assembly, an extruding crushing assembly, a grinding assembly and a rotary driving assembly, the crushing barrel is arranged to perform princess installation on the shearing crushing assembly, the extrusion crushing assembly and the grinding assembly, so that ores are sequentially subjected to shearing crushing, extrusion crushing and grinding, the whole process is integrally performed, repeated operation is not needed, the processing efficiency of the equipment is improved, and smoke dust is effectively reduced.

The invention relates to the technical field of jet milling, in particular to a jet milling control method for a fluidized bed jet mill. The method comprises the following steps: acquiring the scattered particle weight increment of large particles and the fine weight increment of fine particles between adjacent sampling moments; dividing into an initial increasing stage and a uniform increasing stage according to the numerical value change of the weight increment of the scattered particles at the maximum value position; in the initial increasing stage, the retention degree is determined according to the trend change of the small weight increment; the drag force degree is determined according to the numerical comparison of the fine weight increment and the granular weight increment in the initial increasing stage and the uniform increasing stage; and determining an adjustment coefficient of the jet milling pressure by combining the retention degree and the drag force degree at the current moment, and regulating and controlling the jet milling pressure at the current moment according to the adjustment coefficient. The airflow crushing pressure can be adjusted and controlled more objectively and reasonably, and the airflow crushing efficiency is effectively improved.

The invention discloses a biomass blending combustion coal-fired power generation system and method based on low-temperature aerobic upgrading. The system comprises a biomass bin, and a crushing unit is arranged at a discharge port of the biomass bin; the discharging end of the crushing unit is sequentially connected with a low-temperature aerobic upgrading device, a coal bunker unit and a coal mill through a conveying mechanism; the coal mill is connected with a coal-fired boiler, and the coal-fired boiler is provided with an SCR reactor; a heat source inlet of the low-temperature aerobic upgrading device is connected to a tail flue behind the SCR reactor, and tail flue gas of the SCR reactor is used for heating; tail gas of the low-temperature aerobic upgrading device is conveyed to the coal-fired boiler through the centrifugal fan to be combusted and purified, and the system achieves real-time monitoring and control through the central control system and the monitoring unit. According to the invention, high-efficiency and low-cost treatment can be carried out on the biomass, the problems of moisture content, high volatile components, grindability and the like of the biomass are effectively improved while the high energy recovery rate is reserved, and large-scale stable blending combustion of the biomass in a large coal-fired boiler is realized.

The utility model discloses a hammer head of a crusher, which can solve the technical problem of improving the crushing efficiency. The crusher hammerhead comprises a base part and a working part, the base part is provided with a hammerhead mounting structure, the hammerhead mounting structure is used for mounting the hammerhead on a hammerhead driving mechanism, and the working part is arranged on the base part and used for hammering materials. The working part is internally provided with a material separating and guiding flow channel which is arranged in a front-and-back penetrating mode in the hammering direction, and hammering areas which are distributed on the periphery of an inlet of the material separating and guiding flow channel at intervals are formed on the hammering face of the front end of the working part. And the grinding efficiency of the ultrafine grinder can be obviously improved.

The invention discloses a coal slipping hole with a multi-stage buffering function, and relates to the technical field of coal mine transportation, the coal slipping hole comprises a feeding port and a communicating pipe arranged at the bottom end of the feeding port, and the communicating pipe can be communicated with a discharging port of a raw coal pulverizer through the feeding port; further, the crushed raw coal can enter an inner cavity of the communicating pipe; the dust removal buffering mechanism is used for removing dust in the crushed raw coal, by arranging the dust removal buffering mechanism, the raw coal fragments discharged from the communicating pipe can be buffered, meanwhile, dust and dust in the raw coal can be absorbed and collected, and dust and dust removal work is achieved along with raw coal accumulation; and the anti-blocking mechanism is used for preventing raw coal from blocking in the dust removal buffering mechanism, and the wrapping box is arranged on the outer surface of the anti-blocking mechanism, so that the effect of multi-stage buffering of the raw coal during raw coal transportation is achieved.

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 discloses an automatic combustion control method and system for a slag pulverizer hot blast stove. The method comprises the following steps: acquiring operation parameters of a hot-blast stove and a slag pulverizer; selecting one of a furnace temperature control mode and a flow control mode for execution according to the production stage; the total target gas flow is calculated in the selected mode, wherein the flow control mode is subjected to prospective adjustment according to a linkage rule base of mill operation parameters; the air-fuel ratio is corrected based on double feedback of coal gas components and flue gas residual oxygen; and finally, distributing the target flow to a plurality of burners and executing combustion. Through dual-mode switching and intelligent linkage with the mill, conversion from reaction type control to predictive type control is achieved, thermal lag is effectively overcome, combustion efficiency is ensured through dynamic air-fuel ratio correction, and the energy utilization rate, operation stability and automation level of the system are remarkably improved.

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 vertical ultrafine grinder, aiming at solving the technical problems that the productivity of the vertical ultrafine grinder can be improved and the marginal decreasing effect of unit energy consumption can be effectively overcome. 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. The diameter of the smashing disc ranges from 1950 mm to 2050 mm, the edge linear speed ranges from 160 m / s to 170 m / s when the smashing disc works, and the rated power of the smashing disc rotation driving mechanism ranges from 230 kW to 270 kW. And the unit energy consumption rebound trend is successfully improved while the productivity is remarkably improved.

The invention relates to the field of asphalt production, and particularly discloses a preparation method of warm-mixed modified asphalt based on coal liquefaction oil residues, which comprises the following steps: S1, raw material pretreatment: pre-crushing the coal liquefaction oil residues until the particle size is less than or equal to 5mm, then refining the coal liquefaction oil residues to 200 meshes through an airflow mill, and then drying and dehydrating the coal liquefaction oil residues; the preparation method comprises the following steps: freezing SBS in a liquid nitrogen environment of-30 DEG C, and crushing the frozen SBS into 0.5-1mm particles by a hammer crusher; s2, pre-mixing the composite modifier by stages: in the first stage, adding the coal liquefaction oil residue, the aromatic oil and the rubber powder into a high-speed stirrer at 80 DEG C, and stirring; according to the preparation method of the warm-mixed modified asphalt based on the coal liquefaction oil residues, through the coal liquefaction oil residue superfine activation and SBS cryogenic grinding technology, the interfacial activity of the raw materials is improved, solid waste resource utilization is achieved, the modification cost is reduced, and meanwhile, by combining staged temperature control mixing and dissolving with the ultrasonic-assisted dispersion technology, the warm-mixed modified asphalt is prepared. The high-temperature rutting resistance and the water stability of the composite modified asphalt are improved.

The conveying device for grain processing and production relates to the technical field of grain processing and comprises a grain feeding head, a blocking rod is fixedly arranged at the edge position of the inner side of the grain feeding head, a butt joint is fixedly arranged at the end, away from the grain feeding head, of the blocking rod, and a limiting fixing groove is fixedly formed in the outer side of the end, away from the blocking rod, of the butt joint. The outer side of the limiting fixing groove is slidably sleeved with a grain discharging barrel, and an impurity opening and a rotating sleeve are rotationally arranged on the side, symmetrical to the grain drying machine, of the middle of the grain discharging barrel. According to the conveying device for grain processing and production, by arranging the electromagnetic ring, the electromagnetic controller and other parts and electrifying the electromagnet, impurities such as iron nails and iron wires in flowing grains in the pipeline are captured and prevented from entering precise equipment such as a crusher and a pulverizer, equipment abrasion is avoided, the service life of the equipment is prolonged, and the cost is reduced; iron impurities are prevented from being mixed into the grains, and the quality of the grains is guaranteed.

The invention belongs to the technical field of coatings, and discloses a preparation method and application of a low-temperature fast-curing coiled material powder coating, and the preparation method comprises the following steps: S1, adding raw materials of the low-temperature fast-curing coiled material powder coating into a high-speed mixer, and mixing for 5-8 minutes at the rotating speed of 1200-1600r / min to ensure that the components are uniformly dispersed; s2, adding the mixture into a double-screw extruder for melt extrusion, wherein the temperature of the double-screw extruder is 80-90 DEG C in a first area, 100-110 DEG C in a second area, 120-130 DEG C in a third area and 110-120 DEG C in a fourth area, and the rotating speed is 200-250 r / min; s3, tabletting and cooling to 40 DEG C or below, after coarse crushing, adopting an ACM pulverizer and a grading screen of 80-120 meshes to obtain the low-temperature fast-curing coiled material powder coating, low-temperature curing and fast film forming are achieved through component cooperation, the process adaptability is high, meanwhile, functional filler modified sericite and modified nanometer aluminum oxide are added, and the low-temperature fast-curing coiled material powder coating is prepared. The two synergistically enhance the corrosion resistance, mechanical strength and environmental adaptability of the powder coating paint film.

The invention provides a fan blade multi-stage crushing device which comprises a first-stage belt conveyor, a first-stage shredding machine, a second-stage belt conveyor, a second-stage shredding machine, a third-stage belt conveyor and a crusher which are sequentially arranged, and the first-stage belt conveyor, the second-stage belt conveyor and the third-stage belt conveyor are all obliquely arranged; the shredding machine comprises a feeding hopper, a shredding bin and a discharging hopper, two cutting rollers meshed with each other are connected into the shredding bin, the discharging granularity of the second-stage shredding machine is smaller than that of the first-stage shredding machine, and the smashing machine is arranged below the discharging end of the third-stage belt conveyor. By arranging the multi-stage belt conveyors and the shredding machine, the fineness of particles crushed by the fan blades can be improved, the subsequent separation operation of light materials and heavy materials is facilitated, the working efficiency is improved, and the crusher cannot be damaged.

The invention provides a red mud resource reutilization method which comprises the following steps: weighing raw materials according to the proportion of the raw materials, and grinding the raw materials into powder to obtain mixed powder; the raw materials comprise 70%-95% of matrix ceramic, 0.1%-30% of auxiliary ceramic and 0.1%-30% of red mud. Putting the mixed powder into a planetary ball mill, taking out after wet milling, and drying in a vacuum drying oven; crushing the dried powder by using a crusher, and screening by using a screen; the sieved powder is loaded into a graphite mold to be pre-pressed; and sintering the graphite mold filled with the green body in a discharge plasma sintering furnace. And cooling along with the furnace to obtain the red mud doped alumina-based composite ceramic material. According to the method for recycling the red mud, efficient utilization of the red mud is achieved, the red mud is combined with aluminum oxide and auxiliary ceramic, the red mud-doped aluminum oxide-based composite ceramic material is prepared through the processes of high-energy ball milling, spark plasma sintering and the like, and the prepared material has the advantages of being high in toughness, hardness and strength and the like.

The utility model relates to the technical field of flour mills, in particular to an efficient flour mill which comprises a flour mill main body used for grinding cement raw materials, a feed port and a discharge device, one end of the cylindrical flour mill main body is communicated with the feed port, and the other end of the cylindrical flour mill main body is communicated with the discharge device. The other end of the pulverizer main body is communicated with a discharging device composed of a supporting seat and a discharging port, a coarse grinding bin and a fine grinding bin are formed in the pulverizer main body, a first lining plate is arranged on the inner wall of the coarse grinding bin formed in the pulverizer main body, a second lining plate is arranged on the inner wall of the fine grinding bin formed in the pulverizer main body, and the second lining plate is arranged on the inner wall of the fine grinding bin. The outer side of a supporting seat of the discharging device is fixedly connected with a support, one side of the support is fixedly connected with a transverse rod, and the bottom of the transverse rod is fixedly connected with an electric telescopic rod. And maintenance or replacement after disassembly is facilitated.

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 invention discloses a compression device for metal scrap processing, and relates to the technical field of metal scrap processing, the compression device comprises a compression bin, a discharging mechanism, a slitting mechanism and a compression mechanism, the discharging mechanism is arranged on one side of the top of the compression bin, a smashing mechanism is installed on the top of the discharging mechanism, and the smashing mechanism is used for smashing metal scraps; under the driving of a fifth hydraulic cylinder, the metal crushed materials are pre-compressed, and air among the metal crushed materials is discharged, so that the structure is more compact; then, a fifth hydraulic cylinder contracts, so that a sliding block and a supporting plate are reset, a hole groove in the bottom of a feeding groove is opened, and the pre-compressed metal waste falls into a compression bin; in the compression bin, the compression mechanism further compresses the metal scraps; the whole feeding mechanism not only completes conveying of the crushed materials, but also achieves pre-compression of the metal crushed materials, effectively reduces the rebound phenomenon inside the compressed waste materials, and improves the compression efficiency and the compression quality.

The invention discloses a monitoring method and system for a multi-stage crushing station, and belongs to the technical field of crushing machinery control. The method comprises the steps that firstly, static discharging characteristics are analyzed according to a first image of target ore, if all the static discharging characteristics exceed a standard particle size interval, the static discharging characteristics in a material overload interval of crushing equipment are updated, and a discharging characteristic sequence is generated; calculating dynamic discharging characteristics according to the discharging characteristic sequence, further calculating the comprehensive working condition similarity between the working condition fluctuation sequence of each crushing device and the discharging characteristic sequence when the dynamic discharging characteristics exceed a particle size fluctuation threshold value, identifying a target crushing device according to the comprehensive working condition similarity, and extracting a lubricating oil sample of the target crushing device; and the second image is collected, the abrasive particle characteristics are extracted through the second image, the abrasion type is predicted according to the abrasive particle characteristics, and intelligent monitoring and accurate diagnosis of the operation state and the abrasion fault of the multistage crushing equipment are achieved.

The utility model discloses a system for extracting a biodiesel raw material from kitchen waste. The system comprises a pulping pulverizer, a mixing distributor, a heat exchanger and a three-phase separation tank, wherein the pulping pulverizer and the mixing distributor are connected through a slurry circulating pipe, and a forced circulating pump is arranged on the slurry circulating pipe; the heat exchanger is connected to the top of the mixing distributor, the three-phase separation tank is connected to the top of the heat exchanger, a horn-shaped filter cover is arranged in the middle of the interior of the three-phase separation tank, the top end of the horn-shaped filter cover is connected with a solid-liquid mixture circulating pipe, and the solid-liquid mixture circulating pipe is connected with the pulping pulverizer; the pulping pulverizer at the top end of the three-phase separation tank is connected with the secondary steam circulating pipe; the pulping pulverizer, the mixing distributor, the heat exchanger and the three-phase separation tank are all of a closed structure. The system disclosed by the utility model has the characteristics of high oil phase extraction rate, good oil-water separation effect and low energy consumption, and provides important technical support for promoting resource utilization of the kitchen waste.

The invention discloses raw material grinding equipment for preparing dry powder fracturing fluid in the technical field of dry powder fracturing fluid processing, which comprises a pre-crusher and a gas mill, the lower end of the pre-crusher is connected with a spiral feeding pipe, the spiral feeding pipe can guide pre-crushed materials into the gas mill, a separator is arranged between the pre-crusher and the gas mill, and the separator is connected with the pre-crusher. A flow guide assembly is arranged among the pre-crusher, the air mill and the separator and comprises an air flow adjusting pipe, and the air flow adjusting pipe is located between the air mill and the separator; the heat dissipation pipe group penetrates through the pre-crushing machine, and gas in the separator can enter the pre-crushing machine through the heat dissipation pipe group; according to the dust removal device for the gas mill, low-temperature gas guided out of the gas mill is guided into the pre-crushing machine for heat dissipation in a speed reduction mode, cold energy waste caused by direct discharge of the low-temperature gas is avoided, dust in materials entering the gas mill is prevented from being brought away, and therefore the possibility of dust explosion of the gas mill is reduced.

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 invention discloses an energy-saving crusher for ganoderma lucidum production, and relates to the technical field of crushing. Comprising a shell, the shell is sequentially provided with an air inlet, a feeding port and a discharging port from bottom to top, the shell is provided with a first motor, an output shaft of the first motor is fixedly connected with a connecting shaft, and the connecting shaft is fixedly connected with a grading wheel; the conical cover is arranged in the shell, the conical cover is fixedly connected with a drainage piece, the drainage piece is fixedly connected with a mounting cylinder, and the mounting cylinder is fixedly connected with impact strips which are distributed at equal intervals in the circumferential direction. Large-particle materials are driven by a centrifugal force field formed by rotation of the grading wheel to slide along the inner side face of the mounting barrel and collide with the collision strips, secondary dispersion opportunities are provided for agglomerated materials in the large particles, the discharging efficiency is improved, the invalid secondary crushing process is reduced, and the crushing efficiency is improved. The crushing efficiency of the ganoderma lucidum is improved, the energy consumption is reduced, and meanwhile, the damage to heat-sensitive functional components of the ganoderma lucidum is reduced.

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 utility model discloses a crushing device for organic fertilizer preparation, which relates to the technical field of fertilizer processing and comprises a crushing shell, a feed port is fixedly mounted at the top of the crushing shell, a discharge port is fixedly mounted at the bottom of the crushing shell, and a movable door is movably mounted on the front side of the crushing shell. A motor is fixedly installed on one side of the smashing machine shell, and smashing paddles are fixedly installed at the driving end of the motor. Through mutual cooperation of the motor, the convex block, the stress block, the transmission wheel, a belt pulley, a belt, a rotating wheel, an auxiliary transmission wheel, a spring column and a sleeving block, the organic fertilizer crushing device solves the problems that in the organic fertilizer crushing process of an existing device, particles with large sizes are not crushed sufficiently and cannot be effectively screened; the device solves the problem that the crushing quality of the device is affected due to the fact that a large amount of time is consumed when particles are selected out and crushed again, achieves the function of vibration screening, effectively and fully crushes and screens organic fertilizer, and improves the crushing quality of the device.

The invention discloses an ultrafine pulverizer for producing high-added-value carbon black, and relates to the technical field of carbon black processing equipment, the ultrafine pulverizer comprises a machine body and a feed pipe connected to the side surface of the machine body in a penetrating manner, and a pulverizing mechanism for grinding the carbon black is arranged at the lower part in the machine body; an adjusting mechanism for adjusting and controlling the crushing mesh number is arranged on the outer side of the crushing mechanism, and the crushing mechanism is in extrusion contact with the adjusting mechanism; a filtering mechanism for screening carbon black dust is arranged at the upper part in the machine body; a material guiding mechanism is arranged on the side face of the machine body. The crushing mechanism is matched with the operation of the adjusting mechanism, so that carbon black with different mesh numbers can be processed according to requirements, and meanwhile, the filtering mechanism operates synchronously, and synchronous adjustment and screening are carried out according to the mesh number of carbon black dust. The ultrafine pulverizer for producing the high-added-value carbon black has the effects of multiple functions and high efficiency.

The invention discloses a pulverizer for veterinary drug production and processing, and belongs to the technical field of crushing equipment, the pulverizer comprises a machine body and a motor, the output end of the motor is connected with a crushing roller, the crushing roller is provided with a first crushing section and a second crushing section, the machine body is internally sleeved with a crushing cylinder, and the crushing cylinder is internally sleeved with a slip ring. When the machine body conducts smashing work, the smashing barrel can generate periodic displacement in the smashing work through cooperation between the smashing barrel and the first gear ring, the distance between the smashing barrel and the first smashing section is changed, the distribution and circulation state of materials can be improved, local material blockage is avoided, and dynamic smashing is achieved; and when the crushing cylinder moves, the sliding ring and the blades on the top of the sliding ring can synchronously retract, the adhesive force to the materials is changed, the liquidity of the materials is further improved, material jamming is reduced, it can be guaranteed that the first crushing section makes contact with the materials and crushes the materials, and the quality and efficiency of the whole crushing work are remarkably improved.