44results about How to "Ensure complete removal" patented technology

The invention discloses an electrocatalyst material for in-situ production of hydrogen peroxide through oxygen reduction as well as a preparation method and application of the electrocatalyst material, and belongs to the field of organic wastewater treatment. MoS2 / Fe porous conductive particles and a high-molecular polymer are adopted as main components, and ethanedioate and polyacrylamide are combined as a dispersion auxiliary solvent and a pore-forming agent to form a three-dimensional composite conductive catalyst material; through ultralow-temperature freeze drying and microwave radiation technologies, the material structure is optimized, the catalytic reaction active sites are improved, and efficient electrocatalytic oxygen reduction for in-situ production of hydrogen peroxide is realized; the MoS2 / Fe porous conductive particles not only optimize the performance of the catalyst, but also realize high-valued utilization of solid wastes; the electrocatalyst material has excellent conductivity, catalytic activity and organic wastewater degradation capability, is stable in removal effect before and after use, can be repeatedly used for multiple times, reduces the use cost, and provides a wide application prospect for the fields of environmental protection, energy and the like.

The invention discloses an advanced treatment agent for textile printing and dyeing wastewater and a treatment method. The advanced treatment agent comprises a component A and a component B, the component A comprises modified graphene oxide and an enzyme treatment agent; the component B comprises magnesium aluminum silicate, hydroxyapatite, hydroxypropyl methyl cellulose and chitosan, and the hydroxyapatite is coated with the magnesium aluminum silicate to form a core-shell structure. By adopting a modified graphene oxide immobilized enzyme structure, harmful components in water can be effectively adsorbed, so that the effect of greatly improving sewage purification is achieved, and meanwhile, the adsorption effect of the harmful components can be further improved by matching with aluminum-magnesium silicate coated hydroxyapatite, hydroxypropyl methyl cellulose and chitosan; meanwhile, bonding with the modified graphene oxide is beneficial to agglomeration and flocculation of substances, so that the flocculation capacity is improved, and floc separation is facilitated.

The invention relates to a method for improving particles generated between an epitaxial cavity and an exchange cavity, and the method is characterized in that the method comprises the following stages: S100, in the first stage, removing oxides, raising the temperature in the epitaxial cavity to a preset temperature, and introducing hydrogen to remove the oxides on the surface of silicon; s200, second-stage impurity dissolution: introducing hydrogen chloride gas into the epitaxial cavity to dissolve metal impurities and part of impurities in the cavity; s300, performing third-stage cleaning, filling hydrogen into the epitaxial cavity, performing air exhaust treatment on the epitaxial cavity through a tail gas treatment device, removing reactants and impurities in the cavity, monitoring the pressure in the epitaxial cavity in real time, adjusting the air exhaust rate by using an air pump, ensuring that the pressure in the epitaxial cavity reaches 1.2 times of the pressure of an exchange cavity, preventing particles from migrating, and performing third-stage cleaning; and a gradual heating mode is adopted, so that oxides on the surface of the silicon wafer are completely removed, thermal stress is controlled within a preset range, and particle generation caused by temperature difference is avoided.

The invention relates to the technical field of combustion testing, in particular to a testing device for studying the combustion characteristic of nanofluid fuel. The device comprises an operation table, wherein a convenient combustion adjusting mechanism and a waste gas treatment assembly are mounted on the upper surface of the operation table; the convenient combustion adjusting mechanism comprises a storage tank and a combustion chamber, a pump body is arranged between the storage tank and the combustion chamber, a connecting pipeline is connected between the storage tank and the pump body, a pressure adjusting assembly is arranged between the pump body and the combustion chamber, and an outlet of the combustion chamber is connected with a waste gas treatment assembly; a combustion component and an igniter are arranged on the top of the inner side of the combustion chamber. According to the pressure adjusting assembly, fuel flowing and gas supply can be effectively controlled, the combustion process is stable, accurate test conditions are achieved, the reliability of test results is improved, and fuel performance can be deeply analyzed conveniently.

The invention relates to the technical field of centrifugal pumps, in particular to a multi-seal centrifugal pump which comprises a pump body, a water inlet pipe, a water outlet pipe, a movable rod and the like. The pump machine body communicates with a water inlet pipe; the pump body communicates with a water outlet pipe; the water inlet pipe is provided with an observation window; a sealing sleeve penetrates through the water inlet pipe; a movable rod slides in the sealing sleeve in a penetrating manner; the movable rod is divided into a fixed part and a rotating part which are rotationally connected, the fixed part slides in the sealing sleeve, and the rotating part of the movable rod is located in the water inlet pipe. The pulling movable rod is manually driven, the stirring rod is driven to move to temporarily separate and clean aquatic plants wound on the surface of the filter screen or aquatic plant tissue aquatic plants, the blocking phenomenon is eliminated, and the pump machine body can recover most of the water conveying capacity within a short time without shutdown.

The invention relates to the technical field of quartz crucible production, in particular to a quartz crucible cleaning method which comprises the following steps: S1, washing: washing a quartz crucible by using ultrapure water according to a first preset water pressure; s2, alkali cleaning: soaking the quartz crucible in an alkaline cleaning solution at a first preset temperature; s3, pickling: at a second preset temperature, carrying out chemical reaction on an acidic cleaning solution and the quartz crucible; s4, high-pressure water washing: washing the quartz crucible by using ultrapure water according to a second preset water pressure; s5, drying: drying the quartz crucible according to a third preset temperature; wherein the second preset temperature is 20-45 DEG C, and the acidic cleaning solution is formed by mixing HF with the concentration of 10%-30% and H2SO4 or HNO3 with the concentration of 1%-10%, so that the etching speed is adjusted by adjusting the temperature and the HF concentration in the pickling step, impurities on the inner surface of the quartz crucible are removed within reasonable time, and the smoothness of the inner surface of the quartz crucible meets the standard.

The invention discloses a device and method for rapid wax melting, cleaning and drying of a quartz product, the device comprises a seventh shaft assembly, a lifting device is arranged on the seventh shaft assembly, the lifting device is used for lifting the quartz product and a tool, a lifting platform for placing the quartz product and the tool is arranged on the lifting device, and the lifting platform is used for lifting the quartz product and the tool. And a hot water heating pool, an ultrasonic cleaning pool, a pure water cleaning pool and a drying box are sequentially arranged on one side of the seventh shaft assembly. The quartz product wax melting, cleaning and drying all-in-one machine realizes the integrated treatment of quartz products from wax melting, cleaning and drying, not only improves the treatment efficiency, but also reduces the time and labor intensity of manual operation, and obviously improves the processing quality.

The invention discloses a copper rod surface treatment management and control method, system and device and a medium. The method comprises the following steps that a first monitoring video of a target copper rod conveyed to a first monitoring area based on a preset conveying mode is obtained; the preset conveying mode is that the target copper rod rotates while being linearly moved and conveyed; decomposing the first monitoring video frame by frame to obtain a plurality of first surface images of the target copper rod; according to the multiple first surface images, the oxide skin area of the surface of the target copper rod is obtained; whether the oxide skin area is larger than a preset first threshold value or not is judged, if yes, a pickling control program is obtained, and if not, a polishing control program is obtained; judging whether a preset condition is met or not, if not, returning to obtain a first monitoring video of the target copper rod conveyed to the first monitoring area based on the preset conveying mode, and if yes, ending; wherein the preset condition is that the oxide skin area is 0, and the method has the advantage that the better surface treatment mode can be flexibly selected according to the size of the oxide skin area.

The utility model discloses an automatic smoke purifying and collecting device for metal processing and welding, which comprises a machine body, and a decomposition bin, an adsorption bin and a filtering bin which are uniformly arranged in the machine body through partition plates, and further comprises a smoke collecting component, the smoke collecting assembly comprises an L-shaped pipeline installed on the top of the machine body through a connecting base and a smoke sucking cover arranged at the bottom of one end of the L-shaped pipeline through a telescopic corrugated pipe. The filter box is arranged in the filter bin and below the exhaust hood; the adsorption box is arranged in the adsorption bin below the filtering bin; and the catalysis box is arranged in the decomposition bin below the adsorption bin. Through the arrangement of the L-shaped pipeline and the smoke sucking cover in the smoke collecting assembly, smoke generated in the welding process can be effectively sucked in, and diffusion of the smoke in the working environment is avoided. The servo motor drives the L-shaped pipeline to rotate, and flexible adjustment of the smoke suction hood is achieved through meshing of the driving gear and the gear ring.

The utility model discloses a combustion furnace waste gas filtering device which comprises a filtering kettle and a cover plate, the cover plate movably covers the top end of the filtering kettle, a supporting mechanism for conveniently supporting the filtering kettle is arranged on the outer side of the filtering kettle, a spiral pipe is fixedly arranged in the filtering kettle in an embedded mode, and the spiral pipe is connected with the filtering kettle. An exhaust pipe is fixedly embedded in the top end of the cover plate, and an electromagnetic valve is fixedly embedded in the lower end of the filtering kettle. Waste gas is injected into the filtering kettle through the injection mechanism, then the waste gas is washed by a water source in the filtering kettle, heat is absorbed by the water source, then the waste gas is filtered through the filter screen and discharged through the exhaust pipe, and a cooling water source is injected from one side of the spiral pipe and discharged from the other side of the spiral pipe. Heat is absorbed and taken out by a cooling water source and then is recycled, so that heat recycling work is facilitated, heat waste is prevented, meanwhile, the quantity of impurities in waste gas is reduced through water washing, and the impurities in the waste gas are removed through filtering of a filter screen.

The utility model provides a casting burr trimming device, which belongs to the technical field of processing devices, and comprises a base and a clamping assembly, the base comprises a base and an upper shell part, the clamping assembly comprises a sliding block, a clamping block and a telescopic connecting piece, the clamping block can stably clamp a casting positioned in a processing space from the side surface, and the clamping block is connected with the telescopic connecting piece. By means of the characteristic, the fixing device can meet the fixing requirements of castings of various sizes, small precise parts or large complex structures can be firmly positioned at the needed positions, the sliding blocks drive the castings to rotate so that operators can make contact with all corners of the castings more conveniently, and the operation efficiency is improved. And all burrs and sharp edges are removed, so that the quality of a final product is ensured, and the design not only improves the working efficiency, but also reduces the labor intensity of workers.

The invention belongs to the field of beef processing, and discloses a western-style steak raw material meat oil film removing device which comprises a bottom frame. A pair of symmetrically arranged mounting strips are fixed on the bottom frame, and the mounting strips are horizontally arranged; the sides, away from each other, of the two mounting strips are each fixedly provided with a storage box with the upper end being open. A horizontal conveying mechanism is arranged between the two mounting strips and is used for conveying blocky raw meat, and the conveying direction of the conveying mechanism to the raw meat is the same as the axis direction of the mounting strips; a pressing and cutting mechanism is arranged above the conveying mechanism, the pressing and cutting mechanism comprises a pair of vertically-arranged supporting strips, the two supporting strips are fixed to the two storage boxes respectively, and a horizontally-arranged connecting strip is fixed between the two supporting strips; the oil film layer on the raw material meat block is cut off from the middle section through the first cutter, and then the oil film layer and the meat layer are automatically cut and separated from each other from the middle to the two ends through the two second cutters, so that the cutting and separating efficiency of the oil film layer and the meat layer is improved.

The invention relates to a method and a system for removing a bed image of a CT (Computed Tomography) image and application, and the method sequentially comprises the following steps: obtaining a continuous CT image sequence of a patient, and constructing three-dimensional body data; carrying out projection analysis on the three-dimensional body data along the z-axis direction, and respectively calculating to obtain a maximum value projection image and a minimum value projection image; performing first threshold segmentation based on the minimum projection image to generate a first mask; performing second threshold segmentation based on the maximum projection image to generate a second mask; and based on the first mask and the second mask, generating an accurate bed area mask which does not contain human tissues. According to the method, the maximum projection (reflecting the upper limit of the tissue) and the minimum projection (reflecting the characteristics of the bed) are fused, so that the segmentation ambiguity of a single threshold value method in an overlapped CT value interval is overcome, and the accurate separation of the bed and the human tissue is realized.

This invention relates to the field of coal gas purification technology, and more particularly to a method for controlling the resistance of a negative pressure coal gas system. This invention involves systematic technical analysis and research based on theory and production practice, avoiding the need for post-processing cleaning of the primary cooler, electrostatic precipitator, and gas pipelines. It breaks through the methods and approaches for controlling and handling the resistance of negative pressure coal gas systems involved in the field of coal gas purification, employing daily monitoring and operational control of process parameters for the negative pressure coal gas system, daily resistance prediction and process cleaning of the negative pressure coal gas system, and emergency response plans and procedures for the negative pressure coal gas system. This system, applied to negative pressure coal gas systems in coal gas purification, can maintain the long-term stability of the negative pressure coal gas system's resistance, safeguarding production. This invention integrates daily control, resistance prediction, advance cleaning operations, and online cleaning operations, maintaining the long-term stable operation of the negative pressure coal gas system's resistance.

The invention relates to the technical field of pigment production, and particularly discloses an efficient waste gas treatment device for pigment production, which comprises a treatment chamber, an air inlet conical seat is arranged below the treatment chamber, a movable frame seat sliding up and down in the treatment chamber is arranged on the upper side of the air inlet conical seat, and a coil air duct is formed in the air inlet conical seat. A plurality of adsorption seats are arranged in the air inlet conical seat, a plurality of slots corresponding to the adsorption seats are formed in the air inlet conical seat, a solvent chamber is arranged at the upper part of one side of the treatment chamber, an inlet pipe is rotationally connected to the lower side of the solvent chamber, and one end of the inlet pipe is positioned in the treatment chamber. Two waste gas treatment technologies of an adsorption method and an absorption method are combined, harmful substances in waste gas can be effectively removed, efficient purification capacity is achieved, equipment design is reasonable, energy efficiency is high, energy consumption is reduced, the manual intervention requirement is lowered, maintenance is easy and convenient due to the replacement design of the filter element and the adsorption base, and the stability of the system is improved.

The invention discloses a method for preparing a fertilizer from amino acid in high-purity tryptophan fermentation waste liquid, and relates to the technical field of fertilizer preparation, and the method comprises the steps of pretreatment of the tryptophan fermentation waste liquid, amino acid enrichment, nutrition blending and post-treatment operation. The method has the advantages that the high-purity tryptophan fermentation waste liquid is used as a raw material to prepare the fertilizer, various nutritional ingredients in the waste liquid are fully utilized, wastes which originally possibly cause environmental pollution are converted into valuable resources, the problem of treatment of the fermentation waste liquid is solved, environmental pollution is reduced, and the method is suitable for industrial production. Meanwhile, effective recycling of resources is achieved, cross-flow filtration is conducted on the tryptophan fermentation waste liquid through a specially-treated polymer film under the mild condition, macromolecular impurities can be effectively intercepted, amino acid is prevented from being damaged due to high temperature, high pressure or chemical action in the separation process, and the separation efficiency is improved. The composite ion exchange resin column is strictly transformed and flushed, and then is subjected to ion exchange at a proper temperature.

The utility model discloses a circulating energy storage device for waste gas environmental protection management, which relates to the technical field of waste gas treatment, and comprises a combustion furnace and a waste gas supply pipeline, a heat conduction inner furnace is fixedly arranged in the combustion furnace, and a heat exchange pipe I is sleeved on the outer side of the heat conduction inner furnace; a second heat exchange pipe is fixedly connected between the first heat exchange pipe and the waste gas supply pipeline, a second flared pipe is fixedly installed at the top of an inner cavity of the heat conduction inner furnace, a waste gas treatment structure is arranged at the bottom of the second flared pipe, and a circulating energy storage structure is installed on the outer side of the combustion furnace. High-temperature gas exchanges heat with water in the outer energy storage space and waste gas in the waste gas supply pipeline, it is guaranteed that heat energy is efficiently collected, meanwhile, the waste gas is preheated, the combustion speed of the waste gas is guaranteed, the temperature of exhaust smoke is controlled, and heat pollution is reduced.

The invention discloses a nylon 66 melt impurity removal process which comprises the steps of raw material pretreatment, solvent extraction, airflow impurity removal, catalyst impurity removal, vacuum degassing, centrifugal separation, physical filtration, removal of tiny solid impurities in a melt through a filter screen, cooling and quality detection. Impurities in the nylon 66 melt are comprehensively removed in a physical mode, a chemical mode and other modes, low-molecular-weight impurities, oxides, unreacted monomers and catalyst residues in the nylon 66 melt can be remarkably removed, and the purity of the melt is improved.

The invention relates to a composite groundwater remediation system and method for treating petroleum hydrocarbon pollution, and the system comprises a groundwater extraction well and a groundwater recharge well which are arranged in a groundwater petroleum hydrocarbon polluted area, and the groundwater extraction well is surrounded by a permeable reactive barrier; a pressurizing water suction pump, a gas-liquid separator, a mixed reaction tank and an adjusting tank which are sequentially communicated through pipelines are arranged on the ground of the area where underground water is polluted by petroleum hydrocarbon, a chemical adding tank used for adding treatment chemicals into the mixed reaction tank is arranged near the mixed reaction tank, and the pressurizing water suction pump pumps water in the underground water extraction well and pumps the water to the gas-liquid separator. And the water treated by the gas-liquid separator is sequentially treated in the mixed reaction tank and the regulating tank and then is conveyed back to the underground water recharge well. The method has the advantages of large treatment capacity and high efficiency, ensures removal of petroleum hydrocarbon pollutants in underground water, and also can reduce secondary pollution of chemical reaction byproducts to the environment at the same time.

The invention provides a method for extracting suspicious sources based on ultrasound-filtration, and relates to the technical field of suspicious source extraction.The method comprises the steps that firstly, hydrogen peroxide is used for dissolving a sample, then filtration is conducted under the ultrasonic condition, and finally diluted hydrochloric acid is added, so that efficient extraction of suspicious sources can be achieved; the ultrasonic effect can be utilized to promote a sample to be in full contact with hydrogen peroxide, so that the sample is fully dispersed, and the sample is filtered under the ultrasonic effect, so that the filtering efficiency is effectively improved, ineffective components (clay particles, silt and the like) are ensured to be fully removed, the enrichment of the effective components is realized to a certain extent, and the time required by the extraction process is shortened; the use amount of hydrochloric acid in the subsequent extraction process is greatly reduced, the use of heavy liquid in the traditional extraction mode is avoided, and the cost required by the extraction process is reduced. Through the mode, the suspicious source extraction method which is high in extraction rate, simple to operate, simple in process and green is provided.

This invention discloses an integrated cobalt salt filtration and washing device, relating to the field of cobalt salt production. It includes a reaction tank, with a filter press component fixedly installed at the lower outer end of the reaction tank. The filter press component includes a fixed outer shell, a filter cartridge fixedly installed inside the fixed outer shell, and an outer filter cylinder slidably installed inside the fixed outer shell. A bottom straight cylinder is fixedly installed at the lower end of the filter cartridge, and an inclined cylinder is fixedly installed at the bottom end of the outer filter cylinder. The outer filter cylinder and the fixed outer shell are sealed together, and the inclined cylinder and the bottom straight cylinder are slidably sealed. By incorporating the filter press component, this device can automatically perform filter pressing during unloading without transferring the slurry. It utilizes the pressure generated by the reaction vessel to simultaneously unload and filter the slurry, improving production efficiency and filter quality, reducing energy consumption and pollution risks during material transfer, and increasing utilization.

The utility model discloses a clothes dryer which comprises a shell, a storage barrel, a first air duct piece, a fan assembly, a second air duct piece, a cooling and heating assembly, an activated carbon plate and a filter. The storage barrel is installed in the shell, an air inlet and an air outlet are formed in the two opposite end faces of the storage barrel respectively, and a throwing opening for throwing clothes is formed in the end face provided with the air outlet; an air supply channel is formed in the first air duct piece, and one end of the air supply channel communicates with the air inlet; a fan cavity is formed in the fan assembly, and one end of the fan cavity communicates with the other end of the air supply channel; an air return channel is formed in the second air duct piece; the filter, the activated carbon plate and the cooling and heating assembly are sequentially arranged in the air return channel. In the air duct system for internal air circulation, the activated carbon plate capable of removing peculiar smell is additionally arranged, the peculiar smell in the air can be adsorbed, and it is guaranteed that dried clothes are fresh and free of peculiar smell.

The application discloses a grinding device, a method for adjusting grinding pressure and a plate loading and unloading mechanism, relates to the technical field of semiconductors, and is used for eliminating the influence of hard particles on the back surface of a wafer on a photoetch process, thereby improving the quality of semiconductor devices. The grinding device comprises a rotating part and a grinding part arranged on one side of the rotating part; the rotating part is used for fixing the relative position of the wafer and the grinding part and for driving the wafer to rotate; the grinding part has a grinding area for grinding the back surface of the wafer; and the shortest vertical distance from the rotating shaft of the rotating part to the edge of the grinding area is smaller than the radius of the wafer. The grinding device is applied to a polishing device.

The utility model discloses a conveying and cleaning device for quilt cover production relates to quilt cover production technical field, including sewage tank and conveyer belt, the top both ends of sewage tank are fixed with support, and the right side upper portion of support is installed with positioning assembly, the positioning assembly includes servo motor, screw rod, screw nut and connecting block, and the output of servo motor is connected with screw rod, the outside of screw rod is connected with screw nut, and the bottom of screw nut is provided with connecting block, the inside both sides of support are connected with backboard, and the surface of backboard is installed with electric telescopic handle, the outer end of electric telescopic handle is connected with cleaning brush. This conveying and cleaning device for quilt cover production works through two electric telescopic handles of backboard support, and pushes and moves cleaning brush before and after to brush and wash quilt cover, can ensure that the stubborn stain is removed, and the water supply of water inlet pipe of external water source is to water outlet pipe, realizes the spray head to spray on the surface of quilt cover, effectively removes the impurity on the surface of quilt cover.

The application discloses high-purity copper sulfide prepared from acid wastewater and a method thereof, and belongs to the technical field of metallurgy, and particularly relates to a method for recovering high-purity copper sulfide from molybdenum metallurgical wastewater. In the method, first, sodium hydroxide is used to adjust PH, so that heavy metals such as copper and iron are precipitated, and molybdenum exists in the form of molybdate in the solution, and separation of molybdenum is realized. After the separation, the precipitate is subjected to ammonia reverse dissolution, sodium hydrosulfide precipitation, water washing, acid washing and water washing, and finally high-purity copper sulfide with qualified quality is obtained. The application takes "alkaline complexation-selective sulfidation precipitation-purification and refining" as the core, and successfully recovers high-purity copper sulfide (purity greater than or equal to 99.5%) from copper-iron-containing heavy metal wastewater.

The utility model provides a baffling pool biological membrane composite sewage treatment device, and belongs to the technical field of sewage treatment. The device provided by the utility model solves the problems of incomplete grease removal, poor operation efficiency and the like in the sewage treatment process of the current high-speed service area. The baffling pool biological membrane composite sewage treatment device disclosed by the utility model is designed into a baffling pool form, and six reaction areas are arranged in the baffling pool, so that the retention period of pollutants is prolonged, the reaction time is prolonged, and the treatment effect is improved; and a biological membrane device and an aeration device are arranged in the baffling tank, so that sufficient oxygen is provided for microorganisms, an aerobic-anaerobic-anoxic environment is ensured, and the decomposition of pollutants is facilitated. The device can perform automatic monitoring, feedback and regulation, and can realize efficient degradation of grease while ensuring removal of ammonia nitrogen, CODcr and BOD5. All components of the device are convenient to disassemble and assemble, and the device is low in cost, high in operation efficiency, convenient to popularize and use and beneficial to operation of large and small factories.

The invention discloses a die casting trimming device, and belongs to the technical field of die casting trimming, the die casting trimming device comprises a punching unit and a polishing unit, the punching unit comprises a positioning assembly for positioning a die casting and a punching assembly for cutting off waste; the polishing unit comprises a polishing plate making contact with the outer edge of the die casting and a driving assembly driving the polishing plate to do reciprocating motion in the longitudinal direction, the inner side of the polishing plate is provided with a polishing face, the polishing plate is matched with the die casting in shape, and the polishing plate conducts detail trimming on residual burrs after punching. According to the device, the die casting can be primarily punched to remove waste, then the polishing plate is used for trimming the remaining burrs, and therefore the machining precision is greatly improved, the polishing plate is designed to be matched with the shape of the die casting, it is ensured that the burrs are comprehensively removed, and the machining efficiency is improved.

The invention discloses an integrated heat dissipation module of a computer case, and relates to the technical field of heat dissipation of computer cases. The device specifically comprises a mounting plate fixed to an inner cavity of a case, a swing mechanism is arranged at the top of the mounting plate, an adsorption assembly is clamped to the end of the swing mechanism, a heat dissipation assembly is arranged at the top of the swing mechanism, a heat conduction coil pipe is wound around the inside and the outside of the heat dissipation assembly, and fixing screws are arranged at the four corners of the top of the mounting plate. The heat dissipation assembly comprises fixing frames, heat insulation plates, side frames, W-shaped copper pipes, a top frame and inserting grooves, the two fixing frames are connected to the inner wall of the case through bolts, the inserting grooves are formed in the four corners of the opposite sides of the two fixing frames, the W-shaped copper pipes are inserted into the inserting grooves, and the side frames are sequentially welded to the outer surfaces of the W-shaped copper pipes at equal intervals. The problem that the heat dissipation effect becomes poor due to the fact that the heat dissipation space of a heat dissipation module in a traditional case is compressed is solved, the heat conduction area is increased, the heat dissipation efficiency is improved, and the problem that the local temperature is high due to heat gathering is solved.

The utility model belongs to the technical field of raw wool detection, and particularly discloses a magnetic force multidirectional vibration type wool washing machine for raw wool detection, which comprises a cleaning container and a vibration reduction base, a magnetic force vibrator is arranged outside the cleaning container, and the magnetic force vibrator can drive the cleaning container to vibrate in multiple directions. Through the mode of combining magnetic non-contact driving and multi-directional vibration, cleaning liquid in the cleaning container can be driven to turn over in multiple directions, on one hand, the cleaning liquid turning over in multiple directions can beat raw wool so as to clean the raw wool in a beating mode, and on the other hand, the cleaning liquid can fully permeate into each corner of raw wool fiber so as to clean the raw wool. The multi-direction vibration type raw wool cleaning device has the advantages that impurities and grease are thoroughly removed, cleaning efficiency and cleaning uniformity are remarkably improved, in addition, a water film on the surface of raw wool fiber can be damaged in a multi-direction vibration mode, water can be more easily discharged from fiber gaps, and dewatering of raw wool after cleaning is completed is facilitated.

The invention provides a full-automatic fruit cleaning and sorting device. The full-automatic fruit cleaning and sorting device comprises a transmission structure, a cleaning structure and a sorting structure. The brush and the central conveying shaft are driven through the transmission structure, efficient fruit cleaning is achieved, and it can be guaranteed that dirt on the surfaces of fruits is thoroughly removed through the combined action of cleaning water and the brush. And secondly, the sorting structure sorts the fruits according to the weight of the fruits by utilizing a screening disc, a control mechanism of a fruit baffle and a spring is combined, large fruits and small fruits can be accurately distinguished, and the sorting accuracy and efficiency are guaranteed. The soft rubber layer of the central conveying shaft protects the fruits from being damaged, meanwhile, the spiral conical grain design of the central conveying shaft can effectively push the fruits to move in the spiral direction, and it is guaranteed that the fruits are not stacked or blocked. In addition, the automation degree of the equipment is high, manual intervention is reduced, the production efficiency is improved, and the operation difficulty is reduced. In general, the device is reasonable in design, high in cleaning and sorting efficiency, capable of effectively avoiding fruit damage and suitable for a modern fruit processing assembly line.