1079 results about "Silo" patented technology

The invention discloses a prefabricated conical shell steel supporting structure capable of being hoisted for squat silo construction. The prefabricated conical shell steel supporting structure comprises a conical shell wall plate assembly, a ring beam assembly, a radial beam, a lifting lug assembly, an adjustable supporting assembly, an anti-swing assembly, a connecting assembly, an auxiliary positioning assembly and a sling connecting assembly. Core components such as the conical shell wall plate and the supporting framework are all prefabricated in a factory, the quality is controllable, splicing and hoisting are only needed on site, high-altitude erecting operation is greatly reduced, the high formwork erecting risk and the hidden danger of falling objects from high altitudes are reduced, hoisting stability is high, safety is improved, hoisting stress is dispersed through the lifting lug stiffening plates, and the hoisting efficiency is improved. The anti-swing assembly and the cable wind rope cooperatively control swing, it is ensured that the overall hoisting process is stable, structural collision and stress overload are avoided, the splicing precision is high, the adaptability is high, adjustability during installation is achieved through the adjustable supporting assembly arranged on the squat silo top, and it is ensured that the hoisted steel supporting structure can accurately fall on the preset position of the squat silo top.

The invention relates to a large silo coal blending analysis system, and belongs to the technical field of coking. The system comprises a silo coal resource access statistics module, a switching analysis module, a coal blending ratio difference analysis module, a coal blending and coke quality prediction module and an information display module. Firstly, the silo coal seam distribution condition is established, then the coal seam resource switching condition is analyzed and judged according to the discharging weight, the accumulated coal blending execution deviation rate is calculated, and the coal blending amount and the switching condition of the next period are estimated; the blended coal and coke quality prediction module predicts the quality and analyzes the change condition according to the actual coal blending ratio and the like; and the information display module stores and visually displays the result. The system has strong analysis and prediction capabilities, and can comprehensively and deeply analyze yesterday coal blending conditions, scientifically predict coke quality, intelligently plan today coal blending by means of accumulated coal blending execution deviation rates, simply, conveniently and quickly grasp dynamics and trends, guide coal blending and quality control, improve product quality, reduce cost and enhance competitiveness.

The invention discloses a material level intelligent sensing and early warning system in the silo unloading process, and relates to the technical field of silo material level intelligent sensing. The method comprises the following steps: a data acquisition module used for acquiring a multi-modal data stream; the model construction module is used for constructing a normal unloading model based on the multi-modal data flow and a preset physical mechanism constraint; the state judgment module is used for extracting a current feature vector from the multi-modal data stream; comparing the current feature vector with a feature distribution range in a multi-dimensional feature space determined by a normal unloading model, and judging a current material flow state; according to the invention, material flow abnormal symptoms can be captured in time, early warning of the blocking risk is realized, the production rhythm is prevented from being disturbed by material flow interruption, the potential safety hazard caused by manual entering into the silo for troubleshooting is reduced, the grain loss and equipment damage risks caused by long-term retention and mildew of materials are reduced, and the storage safety and the operation stability of a grain storage system are guaranteed.

An Archimedes ocean energy harvesting device, comprising a floating body (1) and a thin-plate contact-separation TENG (2). The floating body (1) is mounted below a water surface and is capable of moving with wave fluctuations, thereby driving the thin-plate contact-separation TENG (2) loaded inside the floating body (1) to generate electricity. The floating body (1) comprises a silo (11), a buoy (12), and an elastic annular waterproof belt (13) connecting the silo (11) and the buoy (12). The silo (11) is inserted upwards into the buoy (12), and the waterproof belt (13) connects the buoy (12) and the silo (11) to form a closed cylindrical chamber. The thin-plate contact-separation TENG (2) is mounted in the cylindrical chamber, and comprises a fixing mechanism (24), a connecting rod (23), a plurality of circular friction discs (21) and a plurality of electrode discs (22), wherein the friction discs (21) and the electrode discs (22) are alternately arranged in parallel along the axial direction of the cylindrical chamber, and the friction discs (21) and the electrode discs (22) are respectively fixed on the buoy (12) and the silo (11).

The invention relates to the technical field of material layer automatic control, and discloses a silo intelligent storage control system, which comprises a data acquisition module for acquiring and preprocessing silo data through multiple types of sensors; the data analysis module is used for calculating to obtain a state evaluation parameter set; the intelligent decision-making module determines an early warning level through a double-threshold early warning mechanism, and obtains a control decision-making parameter set based on the state evaluation parameter set and the early warning level; and the execution control module is used for executing the control decision parameter set. According to the method, the silo space is discretized into the three-dimensional voxel grid, accurate three-dimensional description of the material distribution state is achieved, the shear stress of each voxel is calculated on the basis of fused data such as the material level height and the pressure difference, the flow state of each voxel is accurately judged by comparing the shear stress with the yield threshold value, and the flow state of each voxel is accurately judged. Scientific basis is provided for making a discharging strategy, blind operation is avoided, quantitative evaluation of the silo operation risk is achieved, and scientific basis is provided for preventive maintenance.

The invention discloses a silo internal state monitoring method and an adjustable experiment device, and relates to the technical field of vertical silos, the silo internal state monitoring device comprises a silo body and a silo bottom, the silo body and the silo bottom are connected through a flange plate, a tray is arranged in the silo body, a weight is arranged above the tray, and the lower portion of the tray is in contact with bulk materials placed in the silo body. And circular grooves are formed in the wall surfaces of the bin body and the bin bottom. The detection method comprises the steps that S1, the bottom opening of the conical bin bottom is closed, materials enter the bin body through the upper opening of the bin body to be stacked, and the tray is placed on the top faces of the materials; s2, after the materials are stacked, an acoustic emission acquisition device and a pressure acquisition device are turned on to prepare to start to acquire signals; s3, a bottom opening of the conical bin bottom is opened, and sound signals and pressure signals are collected till discharging is completed; and S4, after discharging is completed, collection of the sound signals and the pressure signals is stopped. According to the invention, the fluctuation difference between the sound signal and the pressure signal is collected, and the signal characteristics are analyzed to characterize the material flow state in the adjustable silo.

The utility model discloses a mine paste filling powder batching device and method. The mine paste filling powder batching device comprises a silo, a silo top cover is arranged at the top of the silo, a dust remover and a safety valve are arranged on the silo top cover, a feeding port is formed in the upper portion of the silo and connected with a feeding pipe, and the bottom end of the silo is connected with an upper port of a silo cone. A lower port of the bin cone is connected with one end of a feeding pipe through a pneumatic butterfly valve A and a tubular flexible connector A, the other end of the feeding pipe is connected with a hopper top cover of a hopper barrel, the bottom end of the hopper barrel is connected with an upper port of a hopper cone, and a lower port of the hopper cone is connected with a feeding port of a spiral conveyor through a pneumatic butterfly valve B and a tubular flexible connector B; one end of the breathing pipe is connected with the side face of the feeding pipe, and the other end of the breathing pipe is connected with the hole opening of the hopper top cover; and a plurality of flow aiding devices are arranged on the cone wall of the bin cone and / or the cone wall of the hopper cone.

The utility model discloses a coal mill powder outlet pipe external bypass powder bin peak regulation system which is installed on a powder outlet pipe at an outlet of a coal mill and comprises a bypass powder bin, a bypass air powder pipe, a powder storage control valve, a powder feeder and an exhaust pipe. A bypass connector, a powder feeding port and an air return port are formed in the side wall of the powder outlet pipe. An air-powder separator is arranged at the top in the bypass powder bin, and an air-powder inlet and an exhaust gas outlet are formed in the air-powder separator; one end of the bypass pulverized coal pipe is communicated with the bypass interface, and the other end is tangentially connected into the pulverized coal inlet; the powder storage control valve is arranged on the bypass interface; a powder feeding inlet and a powder feeding outlet are formed in the powder feeder, the powder feeding inlet is communicated with the bottom of the bypass powder bin, and the powder feeding outlet is communicated with the powder feeding opening; and the other end of the exhaust pipe is communicated with the air return port. The device realizes rapid and accurate dynamic matching of a fuel system and a combustion system, is safe and environment-friendly, has an ingenious, simple and practical structure, and is easy to transform and popularize.

The invention discloses an intelligent loading control system for a silo, and relates to the technical field of loading control, and the system comprises a data collection module which is used for collecting a sensor data flow; the disturbance compensation module is used for carrying out vibration coupling grade division on the basis of the sensor data flow and the vehicle vibration amplitude obtained through prediction of the vehicle vibration short-term prediction model, and formulating a corresponding coupling disturbance compensation instruction on the basis of the vibration coupling grade; the valve opening degree module is used for calculating the opening degree of a basic gate based on the set target loading weight and the collected real-time loading weight; based on the vibration coupling grade and the coupling disturbance compensation instruction, the basic gate opening degree is adjusted, and the initial adjustment opening degree is obtained; correcting the initial adjustment opening degree in combination with environment wind speed data collected in real time to obtain a corrected gate opening degree; the completion judgment module is used for closing the gate to complete loading when the real-time loading weight reaches the target value; material scattering and loss in the loading process can be reduced, and efficiency and stability are improved.

The invention relates to a large silo coke quality prediction method, and belongs to the technical field of coking quality monitoring. According to the method, the specific calculation process of the coal blending execution deviation rate, the accumulated coal blending execution deviation rate and the estimated actual coal blending ratio of a single silo is displayed, the silo bottom coal distribution and the corresponding mass and weight are determined according to silo coal seam tracking, and the coal quality is comprehensively estimated. And performing blended coal quality prediction and coke quality prediction by combining the pre-estimated coal blending amount, the pre-estimated coal blending ratio and the pre-judged quality of the silo. According to the method, the concepts of the coal blending execution deviation rate and the accumulated coal blending execution deviation rate are introduced, the silo coal seam tracking technology is combined, the discharging amount of each silo in a certain time period is predicted, and then the predicted coal blending ratio is calculated. By predicting the coal blending ratio and the corresponding blanking quality of the silo, the accurate prediction of the blended coal quality and the coke quality is realized.

The invention relates to the technical field of mechanical measurement and sensing, in particular to a silo eccentric unloading monitoring and deviation rectifying method and system.The method comprises the steps that force sensors are installed below all supporting legs of a silo, original load signals are collected, noise is removed through band-pass filtering, and the real-time loads of the supporting legs are obtained; based on the supporting legs, the silo is divided into sectors, material level data of the sectors are obtained, the weight of the sector of the longitudinal gradient is constructed, and the weighted load is calculated; and constructing an eccentric vector based on the weighted load sequence, and mapping the weighted load into a two-dimensional eccentric vector component by using the angle coordinate of each supporting leg. According to the silo eccentric discharging monitoring and deviation rectifying method provided by the invention, the weighted load is mapped into the two-dimensional eccentric vector component based on the angle coordinates of the supporting legs, linear fusion is carried out by combining the two-dimensional eccentric vector component with the material level vector component, the combined eccentric coefficient is obtained, and the coefficient can quantify the eccentric degree and output the eccentric direction angle; and a clear physical basis is provided for subsequent correction decision.

The utility model discloses an integrated drying storage bin, and belongs to the field of agricultural product drying storage. A conveying system of the storage bin is connected with a feeding port of the silo main body through an upper articulated chute, so that the conveying system is connected with the silo main body; cone separation systems are further arranged at the bottoms of the inner bin wall and the outer bin wall; a sub-cone of the sub-cone system is mounted on a cross-shaped cross beam of a cone hopper and a ring beam of the cone hopper; the reversing ventilation system is arranged in the silo main body; a first ventilation pipe combination and a second ventilation pipe combination are arranged at the bottom of a ventilation cage combination of the reversing ventilation system, ventilation pipes of the first ventilation pipe combination and the second ventilation pipe combination are communicated through an air distribution chamber, and a reversing ventilation device is communicated with the air distribution chamber through a pipeline. The conical discharging system solves the problems of uneven discharging and discharging stagnation of the inner layer and the outer layer of a bin when grains are fed and discharged in a circulating mode in an existing device, and the arranged ground ventilation system and ventilation pipe combination can achieve ventilation and can also play a role in supporting and fixing the ventilation cage.

The utility model discloses a storage device for improving the stability of carbon black, which comprises a stock bin, a stirring mechanism and a ventilation mechanism are arranged in the stock bin, the stirring mechanism comprises a stirring shaft arranged in the stock bin and stirring blades arranged on the stirring shaft, the stirring blades are arranged in a multi-layer and multi-angle mode, the stock bin is communicated with a nitrogen storage tank, and the nitrogen storage tank is communicated with the ventilation mechanism. A first electric valve is arranged on a connecting pipeline of the stock bin and the nitrogen storage tank, an oxygen concentration sensor and a humidity sensor are arranged in the stock bin, and the oxygen concentration sensor is interlocked with the first electric valve; the ventilation mechanism comprises an annular ventilation pipeline arranged on the lower portion of the stock bin, a plurality of ventilation holes facing the stirring shaft are formed in the annular ventilation pipeline, and the annular ventilation pipeline communicates with an air blower. The humidity sensor is interlocked with the blower; an air outlet is formed in the top of the stock bin and sequentially communicated with the cyclone separator, the bag-type dust collector and the induced draft fan. The device can effectively prevent the carbon black from absorbing moisture, oxidizing and caking, so that the storage stability of the carbon black is improved, and the dust raising phenomenon can be effectively avoided.

The utility model relates to the technical field of temperature measurement cables, and provides a core-replaceable temperature, humidity and water integrated detection cable which is used for being installed in a silo to detect temperature, humidity and moisture data, and an outer sheath is provided with outer air holes; the inner core tube is detachably arranged in the outer sheath, the inner core tube is provided with an inner vent hole, the inner vent hole is communicated with the outer vent hole, and the inner core tube is configured to axially slide relative to the outer sheath so as to be inserted into or separated from the outer sheath; and the detection chip is arranged in the inner core tube and is used for detecting temperature and humidity data of gas in the silo and transmitting the temperature and humidity data to the data acquisition device. According to the technical scheme, the technical problem that only the outer sheath and the chip can be integrally replaced when the detection cable is replaced in the prior art is solved.

The invention relates to the technical field of silo temperature and humidity monitoring, in particular to an intelligent monitoring, regulating and controlling method and system for the temperature and humidity in a silo, and the method comprises the steps: constructing a space coordinate system, and determining the position coordinates of each temperature and humidity sensor in a three-dimensional space; taking each temperature and humidity sensor as a node, and constructing a three-dimensional dynamic topological graph based on spatial correlation parameters of adjacent nodes; constructing a space-time joint feature set to form a comprehensive feature vector; and inputting the comprehensive feature vector into an abnormal heat source prediction model, and outputting a heat source abnormality judgment result of the center node. According to the invention, by constructing the three-dimensional space coordinate system of the temperature and humidity in the silo and combining the dynamic data processing and intelligent anomaly identification mechanism of the multi-point distributed temperature and humidity sensor, the problems of large temperature sampling spacing and delayed local thermal anomaly response in the prior art are solved; and early recognition and targeted regulation and control of the local latent heat source in the silo are realized.

A hygienic rotary valve is designed to meet the hygiene application requirements of handling powdered and granular materials in the food industry. The hygienic rotary valve is a material conveying device installed beneath a powdered and granular material silo, and enhances operational capabilities of the rotary valve by improving the flow rate of powdered and granular materials; providing viewing windows to view the internal state; simplifying the disassembly and assembly procedures (Easy Access) to reduce cleaning process time; implementing Clean-In-Place (CIP) and Steam-In-Place (SIP) processes. The hygienic rotary valve includes a valve body, guide rails, a gear motor, a side cover, a transmission shaft, an end cover, a rotor, a front door, and a device for blowing off adhered powdered and granular materials. In a dust-filled working environment, air purge protection is provided to prevent powdered and granular materials from invading the power transmission area.

The invention provides a method and a system for processing blockage of a discharge port of a limestone powder bin of a thermal power plant, which are used for monitoring the running state in real time through a pressure, humidity and flow sensor array arranged at the discharge port and intelligently judging the normal, pre-blockage risk or complete blockage state according to a preset threshold value. Aiming at different states, stage treatment is automatically started: when the risk of pre-blocking exists, a propeller type stirrer in the bin is started, and dry compressed air is introduced, so that the flowability of powder is improved to prevent blocking; and when complete blockage occurs, a composite dredging mechanism is formed by linkage of high-frequency impact of the pulse air hammer, overall vibration of the vibration motor and purging of high-pressure air. The whole process automatic control system performs centralized control, and is provided with a human-computer interaction interface for monitoring and intervention. The system realizes the conversion from passive dredging to active prevention, has the advantages of accurate blockage early warning, efficient and thorough treatment, high automation degree, high reliability and the like, and effectively ensures the continuous and stable operation of the desulfurization system of the thermal power plant.

A centrifugal separator system separates particulate matter from an air stream produced by an industrial shredding machine. The system includes a housing having a cylindrical conical shape defining an interior chamber. An inlet positioned tangentially near the top of the housing introduces an air and particle mixture to create a vortex flow that centrifugally displaces heavier particles where they slide downward to discharge aperture. Clean air reverses direction and exits upward through a central top outlet connected to a HEPA filter for removing residual dust. A first silo directs is used to decelerate separated particles which are directed through a rotary valve providing an airlock to maintain pressures for optimizing centrifugal separation of particles. A second silo receives a bag holder for ease of securing a collection bag. The system provides efficient separation of particles with minimal maintenance and allows continuous operation.

The invention discloses a soil or groundwater remediation agent in-situ precise injection and transmission effect evaluation test system, and belongs to the technical field of stratum pollution remediation. The device comprises a stratum simulation assembly, a stratum pressurization assembly and a parameter detection assembly, wherein the stratum simulation assembly comprises an experimental silo for storing a simulated stratum sample; the stratum pressurization assembly is arranged opposite to the experiment silo and can simulate pressure of different stratum depths; the parameter detection assembly comprises a plurality of pressure detection units which are vertically arranged at intervals along the experimental silo, each pressure detection unit comprises a capillary pressure measuring pipe and a plurality of pressure sensors, the capillary pressure measuring pipes are arranged in the radial direction of the experimental silo, and one end of each capillary pressure measuring pipe is communicated with the simulated stratum sample through the experimental silo; and the plurality of pressure sensors are arranged at intervals along the capillary piezometric tube so as to test the osmotic pressure of different positions of the capillary piezometric tube. Laboratory simulation can be carried out on the process of repairing the polluted stratum by the repairing liquid.

The utility model discloses a multi-rod type blanking unblocking machine at the bottom of a cement silo, which comprises a crushing chamber, a crushing device and a poking rod, the upper part of the crushing chamber is communicated with a blanking channel at the bottom of the cement silo, and the crushing chamber is connected with a discharge pipe; the crushing device is rotatably arranged in the crushing chamber and comprises two crushing shafts which are transversely arranged side by side, and staggered crushing cutters are arranged on the crushing shafts; at least two material poking rods penetrate through the crushing device, the upper ends of the material poking rods can stretch into the discharging channel, the material poking rods are evenly distributed in the crushing chamber, the upper portions of the material poking rods are movably arranged in the crushing chamber, the crushing device is connected with a first driving device, and the material poking rods are connected with a second driving device. The multiple poking rods which are evenly distributed and can stretch into the discharging channel are arranged in the crushing chamber, multi-point poking and crushing can be carried out at the same time, crushed cement blocks are effectively prevented from being accumulated and blocked again, discharging is smoother, continuous discharging operation of the cement silo can be achieved, and the cement silo can be prevented from being blocked. And the device is particularly suitable for unblocking and crushing operation of a large-section or large-span blanking channel.

The application provides a multifunctional bin, belonging to the technical field of machinery. It solves the problem that the existing workpiece bin can only be used for manual feeding. The multifunctional bin comprises a bin body, the front side of the bin body is provided with a recessed working position, support portions for supporting trays are arranged on the upper part of the bin body and located on the two sides of the working position, the upper side of the support portion on one side of the working position is provided with a protruding side limiting portion, the upper side of the front part or the upper side of the rear part of at least one support portion is provided with a protruding end limiting portion, and the multifunctional bin further comprises a correction structure for pushing the tray on the support portion to move towards the side limiting portion and the end limiting portion. The multifunctional bin has the advantage of high automation degree.

The invention discloses a self-adaptive concrete cracking monitoring device which comprises two wheel type vacuum adsorption wall-climbing vehicles, the two wheel type vacuum adsorption wall-climbing vehicles are arranged side by side, the bottom of each wheel type vacuum adsorption wall-climbing vehicle is fixedly connected with two sponge gaskets, and the ends, away from the wheel type vacuum adsorption wall-climbing vehicles, of the four sponge gaskets are fixedly connected with conducting strips. Conducting pieces at the bottoms of the two wheel type vacuum adsorption wall-climbing vehicles are jointly connected with a concrete intelligent self-monitoring system, a mechanical fixing and connecting assembly is connected between the two wheel type vacuum adsorption wall-climbing vehicles, and the concrete intelligent self-monitoring system is wirelessly connected with a storage medium. The invention further discloses a self-adaptive concrete cracking monitoring method. According to the self-adaptive concrete crack monitoring device and method, the problems that in the prior art, concrete cracks of the silo wall are manually monitored, the cost is high, the risk is large, the period is long, and tiny cracks are difficult to recognize are solved.

This invention discloses a method for dephosphorizing in a vacuum induction furnace by recycling dephosphorized slag. The steps are as follows: (1) Add steel material into the furnace and add dephosphorizing agent into the silo; the dephosphorizing agent is a mixture of pre-mixed dephosphorizing agent and reduced slag; (2) Install the slag scraper onto the tamping rod, then cover the furnace and start heating until the steel material melts completely; (3) After the steel material has completely melted, add the dephosphorizing agent in two batches and keep the temperature of the molten steel at 1450-1480℃, and then carry out a dephosphorization reaction for 30-35 minutes. Then, use the slag scraper to scrape the slag into the slag hopper in the furnace. (4) Take out the slag, cool and crush it, and then mix the slag with coke and heat it to reduce it. The reduced slag can be reused. This invention can control the phosphorus content in the molten steel to below 0.015%. Since it uses reduced slag, it has the advantages of low cost, fast slag formation in the early stage, simple operation, and the slag is pollution-free and reusable.

This utility model relates to the field of ironmaking technology, specifically to a fluidization device for the conveying pipeline of a flue gas desulfurization silo in a hot blast stove. This device addresses the problem of poor fluidity and easy adhesion of the desulfurizing agent, preventing it from fully reacting with the waste gas and resulting in inadequate waste gas treatment. The device includes a first and second ball valve on both sides of the silo bottom, a first and second fluidizing pipe running inside the branch pipes, and a fifth and sixth ball valve outside the two branch pipes. When blockage occurs, the first and second ball valves are opened to introduce nitrogen into the bottom of the silo for the first fluidization. Then, the first and second fluidizing pipes are opened, and nitrogen is introduced for the second fluidization. The fifth and sixth ball valves are further opened to introduce nitrogen for the third fluidization. Finally, the loss-in-weight feeder is activated to feed material into the flue gas desulfurization silo through mechanical stirring, reducing material accumulation, lowering the probability of blockage, and effectively solving the problems of material buildup, blockage, and poor material flow at the silo bottom.

The utility model relates to the technical field of steel smelting plant dust removal equipment, especially a dust collection dustproof bin ventilation exhaust device, technical scheme: a dust collection dustproof bin ventilation exhaust device, including exhaust device installation chassis, power component, air deflector, air volume control valve, cyclone separator, ash removal component and collection component, the surface of exhaust device installation chassis is provided with power component, the top surface of power component is provided with air deflector, the outside of air deflector is provided with air volume control valve, the utility model discloses a spiral flow guide structure can strengthen the separation efficiency of the air volume into the device inside, set up auxiliary flow guide structure simultaneously, dust in the air in the bin is separated efficiently, and when dust and air separate, the separated dust can be further filtered and collected through the bag dust removal box, and the maintenance frequency of the device is reduced.

This utility model discloses a feeding device for PVC pipe production, comprising: an extruder body; a storage silo connected to the feed inlet of the extruder body; a feeding silo located on one side of the extruder body; a negative pressure pipe connecting the feeding silo and the storage silo, wherein a negative pressure fan is connected to the negative pressure pipe; and a weighing component located on the feeding silo for weighing materials. The advantages of this utility model are that it allows for the sequential weighing of different materials using the weighing component, resulting in accurate weighing data, avoiding uneven material proportions that could affect product quality, filtering materials to prevent clumping and impurities from entering, thus improving production quality, facilitating impurity removal, and increasing work efficiency.

The invention discloses a flash mill with a medium recovery structure. The flash mill comprises a tank body, a driving main body, a stirring rod and the recovery structure arranged at the bottom of the tank body. The recycling structure is composed of a bin cover, an electromagnetic valve, a material guiding frame, a cleaning and discharging assembly and a discharging assembly. The device is characterized in that abrasion medium balls collected from the bottom of a tank body are efficiently cleaned and subjected to anti-blocking discharging through opposite rotating brush rollers which are driven by a motor and can move in a reciprocating mode in a cleaning and discharging assembly; the cleaned medium balls enter a silo of the discharging assembly and are conveyed by an auger, and qualified media and defective media are automatically separated and collected according to the particle size through a plurality of classification ball pipes arranged at the bottom of the auger. According to the invention, automatic recovery, cleaning and accurate classification of the grinding medium in the equipment are realized, recyclable qualified medium balls are effectively put into circulation again, the medium loss and the purchase cost are greatly reduced, and meanwhile, the continuous operation capability and the production efficiency of the equipment are remarkably improved.

The pet sand basin with the detachable sand bin comprises the sand bin, the sand bin comprises a main shell and at least one inner side plate, the main shell is provided with a sand groove which is open outwards and used for containing sand, and the inner side plates are arranged in the sand groove and detachably connected with the main shell. At least one inner side plate is detachably connected with the main shell through a hand screwing piece, and a containing hole for containing the hand screwing piece is formed in the outer wall of the main shell. According to the scheme, all the inner side plates are designed to be detachable relative to the main shell, so that the whole sand silo which is large in size and heavy does not need to be cleaned, all the inner side plates can be detached and independently cleaned, the cleaning mode is more labor-saving and easier to clean, the efficiency of cleaning the sand silo by a user is improved, and then the use experience of the user is improved. In addition, according to the scheme, at least one inner side plate is detachable relative to the main shell through a hand screwing piece, so that connection or detachment between the inner side plate and the main shell is more efficient, and the efficiency and experience of cleaning the sand silo by a user are further optimized.

This application discloses a desalination system and method for kitchen waste. The system includes a filter press chamber, a feeding chamber, a washing chamber, an oil-water buffer tank, and a solid material silo connected in sequence. The filter press chamber is equipped with a cross-shaped rotating filter plate and a filter press pusher cylinder to achieve preliminary desalination of kitchen waste through filter pressing. The feeding chamber transports the solid material after filter pressing to the washing chamber through a feeding mechanism. The spray pipes and circulating pump in the washing chamber form a hot water circulating spray system. The oil-water mixture at the bottom of the washing chamber enters the oil-water buffer tank through an overflow hole, and the oil and water are automatically separated by a capacitive oil level sensor and an electrically controlled valve. The receiving screen sends the desalinated solid material into the solid material silo. By adopting the above solution, this invention can solve the technical problems of low salt removal efficiency and waste of resources, difficulty in separating oil and water layers that easily leads to secondary pollution, low degree of process automation resulting in cumbersome and unstable operation, low equipment integration and poor compatibility with existing production lines of livestock and poultry manure treatment enterprises in the current pretreatment of kitchen waste.