284 results about "Hydrocyclone" patented technology

The invention discloses an intelligent self-adaptive silt filtering system and method for a pumped storage power station, and belongs to the technical field of pumped storage power stations. The system comprises a multi-parameter water quality monitoring module, an intelligent self-adaptive filtering module, a hydraulic cyclone enhanced separation module, a self-cleaning and backwashing module and a central control and data processing module. According to the method, river sediment characteristics are monitored in real time, filtering parameters are dynamically adjusted through an artificial intelligence algorithm, efficient sediment interception is achieved by combining hydraulic cyclone separation and multi-stage filtering, the problem of filtering medium blockage is solved through a self-cleaning mechanism, and meanwhile the self-adaptive learning capacity is achieved so as to optimize system performance. The system can significantly improve the filtering efficiency, reduce energy consumption and operation and maintenance cost, adapt to complex water quality working conditions, and guarantee safe and stable operation of key equipment of the pumped storage power station.

The utility model relates to a hydrocyclone sand setting nozzle measuring device which comprises a main body shell and a lead screw, the lead screw is transversely and rotatably arranged in the main body shell through rotating shafts at the two ends, the lead screw is connected with a moving plate through a ball nut, and the outer edge of the moving plate is attached to the inner wall of the main body shell. The movable plate is vertically and symmetrically connected with a plurality of guide columns parallel to the lead screw, the other ends of the guide columns slidably penetrate through the main body shell and then are connected to a guide plate, and a first probe is installed on the outer side of the guide plate; a driving device and a dustproof shell are arranged on the end, away from the guide plate, of the body shell, the output end of the driving device is connected to the lead screw, and a second probe is installed on the outer side of the dustproof shell. According to the measuring device, the two probes are attached to the inner wall of the sand setting nozzle to measure the inner diameter of the sand setting nozzle in a high-precision mode, meanwhile, the sliding groove marked with vernier scales and the sliding rod are combined to further verify the measuring results of the two probes, the measuring accuracy is improved, the abrasion condition of the sand setting nozzle can be accurately and effectively evaluated, and guidance is provided for maintenance or replacement of the sand setting nozzle.

The utility model discloses an oily wastewater hydrocyclone separation integrated recovery device, which relates to the technical field of resource recovery, and comprises a base, the outer wall of the base is fixedly connected with a controller, and the outer wall of the top of the base is fixedly connected with a wastewater tank. When a threaded rod rotates, a U-shaped plate is driven to slide on a guide rod, then when the U-shaped plate moves, the U-shaped plate is inserted into a square groove to fix a filter plate, when the U-shaped plate moves, a sliding rod is pushed to move, then when the sliding rod moves, an extension spring is stretched, and when the sliding rod moves, the sliding rod is inserted into a circular groove to fix the filter plate. According to the oil waste water filtering device, rapid installation is achieved, tedious installation operation is not needed when the filtering plate is installed, the installation and fixing mode is more convenient, the working time is effectively shortened, then the filtering plate can be rapidly disassembled when replaced, and meanwhile impurities and scrap iron in oil waste water can be separated through the filtering plate.

The present invention relates to the improvement applied to the discharge chamber of static machine elements used in the devices known as hydrocyclones, integrated into the stage of verification of the quality of the size of the ore after the stage of fragmentation, and its method of assembly, coupling and separation in relation to the body of the hydrocyclone, represented by the evolution solution in the industrial and commercial sector of the equipment for the classification / separation of particles of the ore that has undergone the program of concentration, desliming, solid recovery and closed grinding circuit, applied in particular in the equipment known as hydrocyclone (Eq), where, to solve the problem of premature wear and complex maintenance of the discharge chamber of static machine elements, the present invention is implemented with an improvement in the design of its structure, making it consist of three parts: lower part (10), male quick coupling part (20) and fixed base (30). A design of quick coupling / separation of the lower part (10) is presented, operable for the verification of the integrity of the cutting diameter (H), which differs in that it is sufficient to perform the quick separation / coupling of the assembly comprising the lower part (10) and the male quick assembly coupling part (20).

The application discloses a production module of a floating production storage and offloading device and belongs to the technical field of FPSO, which comprises a production water treatment module, wherein the production water treatment module comprises a hydrocyclone separator, a compact air floatation unit, a pressure reduction pipeline and a degassing tank; production water in a sewage tank of the FPSO enters the hydrocyclone separator; the hydrocyclone separator is used for separating oil and water by utilizing the density difference between the oil and the water; the production water after the cyclone separation flows into the compact air floatation unit through the pipeline; and the compact air floatation unit is used for rapidly floating oil droplets in the production water by utilizing bubbles. The FPSO production module of the application carries out oil removal treatment on the production water separated in the crude oil treatment process, so that the oil content of the production water is reduced to within 15 ppm, and therefore, in a long-term oil exploitation process, the discharged production water does not cause pollution to seawater. The gas treatment module in the application is additionally provided with a liquid level regulating device, the liquid level in a glycol tower is controlled to ensure that there is always liquid in the glycol tower, and high-pressure gas in the glycol tower is prevented from leaking into a flash regeneration tower, so that the flash regeneration tower is prevented from causing fire and explosion.

The invention relates to a method and device for designing a spatial streamline inlet of a rotational flow separator, and the method comprises the steps: determining an inlet angle alpha, a wrap angle beta, an incident angle gamma and an overturning angle theta of the inlet of the rotational flow separator according to the performance requirements of the rotational flow separator; the method comprises the following steps: selecting a control point at a rotational flow separator, generating a basic shape of a characteristic bus of the spatial streamline inlet through a spline curve equation, then selecting a type value point to carry out iterative optimization on the bus shape, and determining a final curve shape of the spatial streamline inlet through an entrance angle, a wrap angle, an incident angle and a flip angle; based on the inlet shape of the rotating flow separator, the section shape of a space streamline inlet is designed through a Bezier curve equation; and according to the final curve shape and the section shape of the spatial streamline inlet, the spatial streamline inlet structure of the rotating flow separator is determined. Compared with the prior art, pre-separation of particles / liquid drops is achieved through fluid inertia accelerated rotation, and the separation efficiency of the hydrocyclone is improved.

The application discloses a kind of valuable components of waste circuit board pyrolysis product high-efficiency directional separation methods, comprising the following steps: waste circuit board pyrolysis-alkali liquor spray separation oil gas mixture-pyrolysis residue crushing and hydrocyclone classification-pyrolysis residue coarse / fine particle mixture sorting-metal enrichment body fine grinding-sulfuration-flotation.The application plays a promoting role for the high-value recycling of waste circuit board, and is a high recycling rate, small environmental pollution, high-efficiency separation technology, with wide application prospect.

The invention relates to the technical field of oil-water separation, and discloses a hydraulic cyclone oil-water separation system and an air flotation device. The system comprises a multi-stage series hydraulic cyclone tank, a first-stage water chamber outlet is connected with a second-stage water inlet, and a second-stage water chamber outlet is connected with a buffer tank; the buffer tank reflux inlet is connected with the first-stage water inlet; the liquid level control module detects and controls the liquid level and the oil layer thickness of each stage of rotational flow tank. The system operation stability and the oil-water separation efficiency are improved.

The utility model relates to the technical field of particle separation, in particular to a cyclone fine particle separation device capable of adjusting granularity, which comprises a stirrer and a cyclone, the top of the cyclone is fixedly connected with an end table, the upper end face of the end table is provided with a through groove in a penetrating manner, the inner side of a rotary drum is rotatably connected with an overflow pipe, and the overflow pipe is provided with a through hole. And a spiral groove is formed in the outer wall of the rotary drum in a penetrating manner. When the rotary knob is rotated, the rotary drum is driven to rotate, the rotary drum rotates to drive the spiral groove in the outer wall of the rotary drum to rotate, and the limiting block fixed to the outer wall of the overflow pipe extends into the spiral groove, so that when the spiral groove rotates, the limiting block moves along the track of the spiral groove, the limiting block is limited through the clamping groove, and the limiting block can only move in the vertical direction; therefore, when the rotary drum is rotated, the overflow pipe is driven to move up and down, so that the insertion depth of the overflow pipe can be adjusted according to needs, medium particle size composition changes and the requirements for grading indexes are better met, and the grading particle size is adjusted on line.

A sand separation system includes a first hydrocyclone and a second hydrocyclone. The first hydrocyclone includes a first adjustable apex via which underflow of the first hydrocyclone is conveyed. The second hydrocyclone includes a second adjustable apex via which underflow of the second hydrocyclone is conveyed. A first apex aperture diameter of the first adjustable apex is greater than a second apex aperture diameter of the second adjustable apex.

The utility model relates to the technical field of silt separation, provide a kind of tunnel silt separation's hydraulic cyclone, comprising: hollow cylinder, the inner wall of the upper end in the hollow cylinder is fixedly installed with helical blade, the outer surface of the upper end of the hollow cylinder is fixed feed pipe, further comprising: baffle, fixedly installed in the outer surface of the helical blade upper end;Silt-containing liquid enters the inside of hollow cylinder by feed pipe, the upper end in the inside of hollow cylinder is provided with helical blade, helical blade is fixedly installed on the inner wall of hollow cylinder, liquid can improve the intensity of rotational motion by helical blade, improve centrifugal force, so that silt in liquid is thrown to the inner wall of hollow cylinder, along the inner wall and move to the inside of cylinder, discharge by conical discharge pipe, the upper end of helical blade is fixedly installed with baffle, prevent liquid rotational motion when affecting the entry of silt liquid in feed pipe interior, improve the rotational intensity of silt liquid.

This utility model discloses a novel hydrocyclone tube, relating to the field of hydrocyclone oil-water separation technology. It includes a hydrocyclone, an inlet connector, and an outlet pipe. The end of the outlet pipe is connected to an outlet passage, and the outlet pipe and outlet passage are interlocked with a first sealing element between them. A first convex ring is provided on the outlet pipe, and a second convex ring is provided on the outlet passage. The first and second convex rings are connected by a sealing connector, forming a sealed chamber. A second sealing element is provided between the first convex ring and the sealing connector, and a third sealing element is provided between the second convex ring and the sealing connector. This utility model achieves a stable sealed connection between the outlet pipe and the outlet passage, ensuring uniform liquid inflow and preventing inlet blockage. Several hydrocyclone plates are evenly arranged on the surface of the hydrocyclone, optimizing the hydrocyclone effect and achieving efficient oil-water separation. Furthermore, the hydrocyclone is connected to the inlet connector via a snap-fit ​​structure, facilitating disassembly and cleaning of the hydrocyclone.

The invention relates to the technical field of mud-water separation, in particular to a mud-water separation device which comprises a first cyclone, a first vibrating screen and a first water tank, the first cyclone comprises an underflow opening, and the underflow opening of the first cyclone is connected with the feeding end of the first vibrating screen; a notch of the first water tank is connected with the discharging end of the first vibrating screen in a bearing mode, and a pipeline of the first water tank is connected with the feeding end of the first cyclone. A first vibrating screen is connected below an underflow port of a first cyclone, and underflow slurry discharged from the underflow port of the first cyclone is dehydrated and filtered by the first vibrating screen; the first vibrating screen and the second vibrating screen are arranged, so that coarse-particle mud and sand are obtained on the screen surface of the first vibrating screen, fine-particle mud and sand discharged from the underflow port by mistake enter the first water tank along with water and are mixed with to-be-treated slurry, then the slurry in the first water tank is pumped into the first cyclone by the slurry pump to be screened, and waste of overflow slurry is reduced.

The utility model relates to a multi-metal low-grade flotation tailing metal recovery system which comprises a stirring barrel, a discharging port of the stirring barrel is connected to a feeding port of a hydrocyclone through a sand pump, a sand settling port of the hydrocyclone is connected to a feeding port of a ball mill, and a discharging port of the ball mill is connected to a feeding port of a sand pump pool. An overflow opening of the hydrocyclone is connected to a feeding opening of the roughing flotation machine, a concentrate discharging opening of the roughing flotation machine is sequentially connected to the first flotation classificator, the second flotation classificator and the third flotation classificator, and a concentrate discharging opening of the third flotation classificator is connected to the first cyaniding carbon pulp system. According to the recovery system, concentrate and tailings of raw ore are subjected to roughing separation, then the roughing concentrate and the roughing tailings are subjected to three-stage concentration and two-stage scavenging, valuable metal is enriched in the concentrate as far as possible, the concentrate grade is improved, the scavenged tailings are further enriched and recovered through two-stage magnetic separation, and the recovery efficiency is improved. And finally, valuable metals in the concentrate are efficiently recovered by combining a cyaniding carbon slurry system.

The utility model relates to the technical field of hydraulic cyclone separation, and discloses a hydraulic cyclone separation device which comprises a cyclone cylinder, a connecting sleeve arranged on the outer side of the cyclone cylinder, a water inlet pipe arranged on the side edge of the cyclone cylinder and a water outlet pipe arranged on the top of the cyclone cylinder, when the deslagging pipe enters the connecting sleeve, the boss at the upper part extrudes the clamping block, and the clamping block drives the moving rod to move outwards in the connecting sleeve, so that the deslagging pipe can smoothly enter the connecting sleeve until the bottom of the boss at the upper part is out of contact with the clamping block, the clamping block loses pressure at the moment, and the spring resets to drive the clamping block to reset; when the slag discharging pipe is detached, the slag discharging pipe is pulled downwards, the clamping block enables the boss on the lower portion to move upwards till the two bosses are combined together, at the moment, along with continuous downward movement of the slag discharging pipe, the clamping block is separated from the connecting position of the two bosses, and therefore the slag discharging pipe is detached from the connecting sleeve.

The utility model discloses a hydrocyclone with a water replenishing structure, and relates to the technical field of hydrocyclones, the hydrocyclone comprises a hydrocyclone main body, the outer wall of the hydrocyclone main body is fixedly connected with a water replenishing pipe, the outer wall of the bottom of the hydrocyclone main body is provided with a discharge port, and the water replenishing pipe is fixedly connected with the discharge port. The outer wall of the discharging port is fixedly connected with a discharging pipe, the outer wall of the discharging port is provided with a control mechanism, the control mechanism comprises a limiting ring, the outer wall of the limiting ring is fixedly connected with the inner wall of the water supplementing pipe, and when equipment needs to be used, an external water pipe is injected into the hydrocyclone body through the water supplementing pipe for water supplementing; the separation efficiency of ore and other objects in the hydrocyclone body can be improved, when the flow speed of water needs to be controlled, the worm is rotated to drive the worm gear to rotate, the limiting shaft on the innermost side rotates, a user can conveniently inject external water into the hydrocyclone body, and the device can freely control the flow speed of the water.

A system (100) for processing sand product includes a process tank (104) having a first compartment (104a), a second compartment (104b) in fluid communication with the first compartment (104a), and a third compartment (104c) isolated from the other compartments. The system (100) also includes a first hydrocyclone (116) that receives a sand mixture comprising the sand product and water from the first compartment (104a), and separate the sand mixture into wet sand and a clay mixture. The second compartment (104b) receives the wet sand and clay mixture from the first hydrocyclone (116). A second hydrocyclone (120) receives the wet sand and the clay mixture from the second compartment (104b), and further separates the wet sand from the clay mixture to produce a clay product that includes a fully hydrated clay material. The third compartment (104c) receives the clay product from the second hydrocyclone (120)

This disclosure relates to the field of waste resource utilization technology, and in particular to a method and apparatus for preparing coal gangue blasting abrasive, as well as the coal gangue blasting abrasive itself. The method includes: feeding coal gangue tailings to a hydrocyclone for coal slime removal to obtain coarse-grained coal gangue; centrifuging the coarse-grained coal gangue to obtain dehydrated coal gangue; and feeding the dehydrated coal gangue into a hot air drying system for drying to obtain dried coal gangue blasting abrasive. Through targeted coal slime removal, the amount of dust generated during the blasting process of the coal gangue blasting abrasive can be reduced, improving the environment; processing coal gangue tailings into coal gangue blasting abrasive results in extremely low raw material costs, and the entire process allows for wastewater recycling without secondary pollution.

The invention relates to a hydrocyclone device (1) for centrifugal separation of solids from a suspension, comprising at least one first hydrocyclone (2.1), at least one second hydrocyclone (2.2) and a common feed chamber (10) with a feed opening (10a) for introducing a suspension feed stream into the common feed chamber (10) and a plurality of flow outlets (11.1, 11.2, 11.3, 11.4) corresponding to the first and second hydrocyclones (2.1, 2.2) for leading respective shares of the suspension out of the common feed chamber (10) into first and second inlets (4.1, 4.2) of the first and second hydrocyclones (2.1, 2.2), wherein the common feed chamber (10) is designed as an annular chamber to which the feed opening (10a) is connected in order to form a circulation.

The invention relates to a combined separation and recovery process for low-grade associated tantalum-niobium-tin ores. The combined separation and recovery process comprises the following steps: feeding raw ores into a linear sieve for sieving; oversize products are fed into a first-section ball mill, and ore is discharged into a spiral classifier for classification; graded returned sand is returned to the second-stage ball mill for regrinding, graded overflow is fed into a weak magnetic roller, iron-removed non-magnetic ore pulp is fed into a high-frequency coarse screen, oversize products are fed into the second-stage ball mill for fine grinding, undersize products are fed into a hydrocyclone, and underflow of the hydrocyclone is fed into a first-stage distribution chute; second-section rough concentrate and first-section rough concentrate produced by second-section distribution are combined and fed into a high-frequency fine screen, oversize products are fed into a ball mill to be ground again, and undersize products are fed into a first-section high-gradient magnetic separator; feeding the non-magnetic product into a second-stage high-gradient magnetic separator, and reselecting the non-magnetic product generated by the second-stage high-gradient magnetic separator to obtain a tin concentrate product; and the first-section magnetic separation product and the second-section magnetic separation product are combined for reselection to obtain a tantalum-niobium concentrate product. According to the method, tantalum, niobium and tin in the extremely-low-grade tantalum-niobium-tin ore can be efficiently and comprehensively recycled.

This disclosure addresses the problem of preventing sediment laden water (“sediment slurry”) resulting from hydraulic collection of nodules from the seabed from entering the riser and lift system that carries the nodules to the surface as a slurry. An example includes collecting nodules from the seabed by hydraulic suction, separating the nodules utilizing an inverse hydrocyclone.

This invention discloses a mineral processing method that combines flash flotation and spiral sluice to improve copper recovery, comprising the following steps: A. Strong stirring and slurry conditioning; B. Hydrocyclone classification; C. Flotation roughing; D. Flotation scavenging I; E. Flotation scavenging II; F. Flotation scavenging III; G. Flotation column cleaning I; H. Flotation column cleaning II. For copper rough concentrate, this invention employs a "flash flotation-spiral sluice scavenging" process to separate fine copper particles, ensuring the recovery rate of the copper concentrate. Simultaneously, the flotation column cleaning ensures the grade of the copper concentrate, thereby improving the copper recovery rate and solving the problem of inefficient copper recovery in conventional flotation processes. This method combines flash flotation and spiral sluice, achieving efficient copper resource recovery. It is a green, environmentally friendly, and energy-efficient mineral processing method suitable for widespread application.

This invention relates to a process for extracting high-white feldspar from lithium-containing kaolin ore, comprising: Step S1, grinding and classifying the lithium-containing kaolin ore, using a high-frequency screen for inspection and screening, merging the undersize material with the overflow from a hydrocyclone, and then feeding it into a weak magnetic separator for iron removal, while the oversize material continues to be ground in a ball mill; Step S2, subjecting the material obtained after iron removal in Step S1 to a first-stage high-gradient magnetic separation; Step S3, controlling the non-magnetic material obtained in Step S2 to enter a second-stage high-gradient magnetic separation; Step S4, subjecting the non-magnetic material obtained in Step S3 to desliming in a hydrocyclone and then entering the flotation stage; Step S5, proceeding to the roughing operation; Step S6, feeding the roughing tailings from Step S5 into the scavenging operation; Step S7, feeding the scavenging tailings from Step S6 into the scavenging operation, obtaining high-white feldspar as the scavenging tailings. This invention achieves high-white feldspar with low iron content and improves the recovery rate of lepidolite.

This application provides a method for finely grinding self-produced coke fines, comprising the following steps: Step S1, coke produced from the coking process is screened at least twice to obtain coke fines; Step S2, the coke fines are finely ground using a ball mill to obtain coke fines slurry; Step S3, the coke fines slurry is fed into a hydrocyclone for classification, and the overflow of the hydrocyclone is a fine-grained slurry; Step S4, the fine-grained slurry is concentrated and filtered to produce fine coke fines. This method can develop a high-quality pulverized coal resource for blast furnace injection systems and can be applied to industrial production, solving the problem of imbalance between the production and consumption of self-produced coke fines in steel companies.

This disclosure relates to an adaptive flow rate component for injection and production wells in the same well and a hydrocyclone using the same component. The hydrocyclone includes: an underflow flow rate adaptive module, an overflow flow rate adaptive module, and a hydrocyclone separation module. The underflow flow rate adaptive module and the overflow flow rate adaptive module are used to keep the flow rates of the liquid at the underflow port and the liquid at the overflow port constant, ensuring that the split ratio fluctuates stably within a certain range. The underflow port of the hydrocyclone is connected to the underflow flow rate adaptive module, and the overflow port of the hydrocyclone is connected to the overflow flow rate adaptive module. The relative rotation angle between the bridge-type diversion channel and the piston, blade, and stop blade of the flow stabilizer is automatically adjusted according to the flow rate. The cyclone separation module adapts to flow rates; it separates oil and water phases through cyclone separation and discharges them from the overflow port and underflow port respectively; the oil pipe, coupling, and cyclone fixing device in the cyclone separation module connect and fix the entire device, respectively connecting to the underflow flow adaptive module, the cyclone flow and the overflow flow adaptive module; the embodiments given in this disclosure can realize automatic adjustment of the underflow port and overflow port flow rates, stabilize the liquid output of the underflow port and overflow port, reduce the impact of flow instability on the overall separation performance of the device, and enhance the applicability of the cyclone separation equipment to unstable outlet flow conditions, ensuring stable separation efficiency.

The utility model relates to a cyclone hydraulic separator for separating multiphase flow, which belongs to the technical field of solid-liquid separation, and comprises a separator body, a filter box and a partition plate component, the separator body is provided with a liquid material discharge end and a solid material discharge end, a filter screen plate is arranged in the filter box, and the partition plate component is arranged in the filter box. The filter box is divided into a first chamber and a second chamber which are horizontally distributed by a filter screen plate, the top of the first chamber is communicated with the liquid material discharge end through a feed pipe, the bottom of the first chamber is communicated with the solid material discharge end through a discharge pipe, and the second chamber is communicated with a liquid discharge pipe; the partition plate assembly is horizontally and rotationally arranged in the first cavity and used for changing the opening and closing state between the feeding pipe and the liquid discharging pipe. According to the cyclone hydraulic separator for separating the multiphase flow, the separated liquid is further filtered, and the phenomenon that solid particle disintegrating slag is discharged along with the separated liquid is reduced, so that normal operation of equipment is facilitated.

A cleaner system for removing solid debris and contaminants from a feed slurry includes a cleaner operable to separate the feed slurry into an accepted slurry and a reject slurry, the reject slurry including the solid debris and contaminants. The cleaner system further includes a dilution device fluidly coupled to a reject outlet of the cleaner. The dilution device includes a dilution water hydrocyclone having a dilution water inlet, a cyclone section, an underflow outlet at a downstream end of the cyclone section, and a reject slurry inlet in a top portion of the dilution water hydrocyclone. The dilution water hydrocyclone further includes a flow guide disposed between the dilution water inlet and the reject slurry inlet and operable to direct dilution water to flow from the dilution water inlet at least in an axial direction toward the cyclone section.

The invention discloses a hydraulic separator and a hydraulic separation system, and relates to the technical field of sewage treatment, the hydraulic separator comprises a shell, the inner wall of the shell is a revolution surface, the shell is provided with a sludge inlet, the sludge inlet is arranged along the tangential direction of the side wall of the shell, the upper end of the shell is provided with an upper discharge port, and the lower end of the shell is provided with a lower discharge port; a plurality of laminates are arranged in the shell, the laminates are located below the sludge inlet and the upper discharge port and are located above the lower discharge port, a gap is formed between every two adjacent laminates, and liquid entering the shell can flow through the gaps from top to bottom. When flowing through the intervals of the laminates, liquid flow is in a stable laminar flow state in the narrow intervals, interference of water flow turbulence on particle sedimentation can be reduced, sedimentation of inorganic matter particles is promoted, and the separation effect is improved.

The invention relates to the technical field of ore extraction, and discloses an intelligent fluorite ore grinding system. Comprising a grinding machine, a feeding pipeline, a cyclone set, a barrel, a transmission unit, a grinding unit and a monitoring unit, the grinding unit drives ore to move to a high position, a stone crushing plate opposite to the ore moving direction is used for impacting the ore, the impact force on the ore is increased, and a grinding plate and a re-grinding plate are used for grinding and refining the ore with the small particle size, so that the ore grinding efficiency is improved. According to the ore grinding device, ore with different particle sizes is subjected to partition treatment, the ore grinding efficiency of the mill is improved, the noise decibel in the barrel is gradually reduced along with gradual refining of the ore, the monitoring unit is used for monitoring and alarming the noise in the barrel, and the refining degree of the ore is conveniently judged.