37results about How to "Reduce recycling" patented technology

The invention provides a preparation method of a lithium-supplemented negative plate, the lithium-supplemented negative plate, a lithium ion battery and an electric device. According to the preparation method, rolling compounding is carried out by controlling the linear speed of a compression roller close to a lithium foil in a roller pair to be always greater than the linear speed of a compression roller close to the negative plate. The linear speed of the compression roller affects the actual tape running speed of the lithium foil and the negative pole piece, so that the lithium foil and the negative pole piece generate speed difference in a roller gap, at the moment, opposite tangential force is provided for the surface of the lithium foil by the roller pair, and the lithium foil can be thinned under the action of the tangential force, so that the lithium foil and the negative pole piece can be compounded, and the lithium foil and the negative pole piece can be thinned. And the lithium foil with the target lithium supplementing thickness can be obtained. According to the preparation method, the limitation on the thickness of the supplied material of the lithium foil is reduced, the lithium supplement of the lithium foil with the thickness of 0.1-5 microns in the lithium supplement negative plate can be realized through one-time processing and forming, the accuracy of the pre-lithium amount is improved, and the method does not need to be protected by a base material, so that the adhesion phenomenon is avoided, the technological process is saved, and the production cost is effectively reduced.

The utility model relates to a cleaning system and a cleaning harrow for polymers in a formaldehyde tank, and the cleaning system for polymers in the formaldehyde tank comprises a formaldehyde tank, a cleaning harrow and a cleaning harrow, the formaldehyde tank comprises a top manhole, a bottom manhole and a bottom discharge port; the axial flow fan is mounted at the top manhole and is used for enabling the formaldehyde tank to be in a negative pressure state; the discharge pipeline is connected with the bottom discharge port; the recycling bin is connected with the discharge pipeline and is used for recycling the polymer; the cleaning rake extends into the formaldehyde tank from the bottom manhole and is used for cleaning polymers; the cleaning rake comprises a telescopic rod and a cleaning component installed at the end of the telescopic rod. When the cleaning system is used for cleaning polymers in the formaldehyde tank, personnel do not need to enter the formaldehyde tank, so that the polymers in the formaldehyde tank can be thoroughly cleaned, and the safety of operators can be ensured.

The invention discloses a recycling method of fluorine-containing and indium-containing waste liquid, and belongs to the technical field of resource recycling, the method comprises the following steps: adjusting the pH value of the fluorine-containing and indium-containing waste liquid to 3-5, effectively precipitating indium, reducing the precipitation of other ions, calcining the precipitate, promoting the decomposition of indium oxide, and carrying out reduction calcination to obtain high-purity crude indium; the pH value of the supernatant is adjusted to 1-2, impurity metal elements are effectively removed, the activity of the additive is improved, side reactions are reduced, finally, step-by-step flocculation is conducted, filtrate and waste residues containing chromium and fluorine are obtained, metal elements and fluorine elements in the filtrate are effectively removed, the waste residues containing chromium and fluorine can serve as by-products to be directly sold, and the cost is reduced. And the economic benefit is effectively improved.

A ventilation cap of a gearbox relates to the technical field of gearboxes and comprises a plug body and a filter screen, an air inlet hole, a first condensation oil cavity, a second condensation oil cavity and an exhaust hole are formed in the plug body, and the air inlet hole, the first condensation oil cavity, the second condensation oil cavity and the exhaust hole are communicated in sequence; the filter screen is installed in the air inlet hole and used for filtering oil liquid in the oil-gas mixture entering the first condensation oil cavity from the air inlet hole. The oil-gas separation effect can be improved while the size is reduced, the oil recovery amount is increased, the operation cost is reduced, and disassembly and assembly in a limited space environment are facilitated.

The invention provides a method for preparing phosphonitrilic chloride trimer through reaction in an organic phase, and relates to the field of phosphonitrilic chloride trimer. The method for preparing hexachlorocyclotriphosphazene through reaction in the organic phase comprises the following steps: preparing pyridine hydrochloride, preparing a choline chloride / glycerol deep eutectic solvent, synthesizing hexachlorocyclotriphosphazene, and carrying out post-treatment. The method for preparing phosphonitrilic chloride trimer through reaction in the organic phase can effectively solve the problems that the reaction process is not easy to control, the reaction time is long, the reaction efficiency is low, and side reaction is easy to generate to generate a large number of by-products in the existing preparation method of phosphonitrilic chloride trimer, the post-treatment is simplified, and the yield is improved. The yield and the purity of the prepared phosphonitrilic chloride trimer are improved, and the generation of three wastes in the preparation process is reduced.

The invention belongs to the field of compound preparation, and particularly relates to a preparation method of 2-nitro-4-methylsulfonylbenzoic acid. The method comprises the following steps: by taking 2-nitro-4-methylsulfonyltoluene as a raw material, carrying out high-temperature pressurized reaction in a nitric acid and sulfuric acid system, producing water at the same time, and after the reaction is finished, filtering, layering and drying to obtain the 2-nitro-4-methylsulfonylbenzoic acid. The invention provides a method for preparing 2-nitro-4-methylsulfonylbenzoic acid on the basis of nitric acid oxidation without adding a metal catalyst. According to the method, toxic vanadium pentoxide is not used as a catalyst, the recovery treatment of the catalyst is reduced, the use amount of sulfuric acid can be reduced to 25% of the original use amount, and the extracted water is used for tail gas absorption treatment and nitric acid recovery, so that the reaction safety is improved to a great extent, the use amount of raw materials is reduced, the environmental influence is reduced, and the method is suitable for industrial production.

The invention relates to a method for recovering at least one distillate substance from vapor during the alcohol reduction of a beverage, and to a distillate substance recovery device for carrying out the method, in which method an alcoholic beverage to be reduced in alcohol content is fed to a degasser of the distillate substance recovery device, wherein the vapor is removed from the degasser and the alcoholic beverage passed through the degasser is fed to a device for alcohol reduction, wherein the vapor is fed to a plurality of distillate condensation stages following one another in series, and wherein at least one distillate substance is separated from the vapor under pressure and / or temperature, and wherein the distillate substances separated in the respective distillate condensation stages are collected in a collecting container or fed to a filling station, via which the separated distillate substances are metered into the alcohol-reduced beverage.

The utility model relates to the technical field of technological equipment, in particular to a tool clamp for machining a gearbox, which comprises a bottom plate guide rail and a scrap removing device, a first clamp is mounted on the surface of the bottom plate guide rail, a second clamp is mounted on one side, close to the first clamp, of the bottom plate guide rail, and the scrap removing device is arranged on one side of the bottom plate guide rail and comprises a supporting column. The supporting column is fixedly connected with the bottom plate guide rail, the surface of the supporting column is fixedly connected with a magnetic attraction block, the surface of the magnetic attraction block is slidably connected with a sliding block, a threaded hole is formed in the surface of the sliding block, the inner wall of the threaded hole in the surface of the sliding block is in threaded connection with a threaded rod, and one side of the sliding block is fixedly connected with a scraping piece. Scrap iron accumulated on the guide rail can be conveniently adsorbed, the situation that the scrap iron affects sliding of the clamp is reduced, the safety of the device is improved, the clamp can smoothly move conveniently, the stability of the device is improved, and the operation difficulty of the device is reduced.

The utility model provides a still kettle for producing autoclaved aerated concrete slabs, which comprises a still kettle body, a supporting bottom plate is mounted at the lower end of the still kettle body through bolts, track supports are mounted on the front side and the rear side of the upper end of the supporting bottom plate in a sliding manner, and a supporting assembly is mounted in the still kettle body in a sliding manner. According to the utility model, the arc-shaped pipe, the connecting pipe and the heat exchange pipe are mutually communicated through the sleeve to form an integrated structure, steam enters the connecting pipe through the arc-shaped pipe, cold water enters the connecting pipe from the heat exchange pipe, when the steam and the cold water are contacted, heat exchange reaction is carried out, the steam is condensed into water, and the water falls into the water collecting tank along the collecting pipe to be stored and cooled; and meanwhile, water flow heated in one heat exchange pipe enters an external high-temperature evaporator from the other heat exchange pipe, heat is recycled and serves as supplementary water flow of high-temperature steam, the temperature can be increased rapidly, fuel consumption can be reduced, and energy conservation and environment protection are achieved.

The present invention belongs to the field of controlled nuclear fusion technology, and specifically relates to a fuel replenishment device for a magnetic confinement fusion device, including a vacuum chamber A, a vacuum chamber B, a truncated cone-shaped gas diverter, an air jet valve, a magnetic field shield, a gas pipeline, a fusion fuel gas source and a control system; the present invention overcomes the shortcomings of the existing magnetic confinement fusion device fuel replenishment gas supply technology, that is, the low feeding efficiency caused by the diffusion characteristics of the gas during the gas supply and feeding process, and the fuel gas is adsorbed by the vessel wall in large quantities, affecting the recycling of the vessel wall. The device of the present invention strips off the fuel gas particles with low directional speed during the fuel gas replenishment process and those that have not yet reached the fusion device plasma and hit the vessel wall, and discharges them in time, thereby improving the feeding efficiency of the existing magnetic confinement fusion device and effectively reducing the impact of the feeding process on the recycling of the vessel wall of the magnetic confinement fusion device.

The invention provides a method for preparing a sodium-ion battery hard carbon negative electrode with a high cross-linked structure based on cooperative cross-linking of hydroxyl enriched lignin and oxidized asphalt, and belongs to the technical field of preparation of sodium-ion battery negative electrode materials. The high-performance hard carbon negative electrode can be prepared without a solvent and an additional additive by optimizing a lignin pretreatment process and an asphalt pre-oxidation process and improving an asphalt-lignin cross-linking mode; by adopting the biomass derivative and petroleum asphalt composite carbon source, the method has the advantages of low cost, environmental protection and accessible raw materials; the sodium ion battery with the obtained hard carbon negative electrode has excellent electrochemical performance and is suitable for large-scale production of the sodium ion battery; and the practicability is high.

The invention discloses a superfine fiber water-based polyurethane foamed synthetic leather, comprising a base fabric and a foamed water-based polyurethane layer; the base fabric is a double-layer structure with a surface layer and an inner layer, the surface layer is a nap layer, and the inner layer is a lattice layer; the base fabric comprises a surface weft, an inner weft, a surface warp and an inner warp; the surface weft, the inner weft, the surface warp and the inner warp are all superfine fiber yarns; the surface weft and the surface warp are interwoven into the surface layer of the base fabric using a surface tissue, and the inner weft and the inner warp are interwoven into the inner layer of the base fabric using an inner tissue; the surface tissue is a satin texture with five three-fly wefts, and the inner tissue is a plain weave; the surface layer and the inner layer are connected by nodes formed by interweaving the surface warp and the inner weft, and nodes formed by interweaving the inner warp and the surface weft; the lattice layer of the base fabric has pores for water-based polyurethane to enter the base fabric, and the foamed water-based polyurethane layer is filled between the surface layer and the inner layer of the base fabric. The superfine fiber water-based polyurethane foamed synthetic leather has a good sense of thickness, a soft and delicate hand feel, a good surface smoothness and a good air permeability and water absorption.

The invention discloses a sulfur dioxide purification treatment device with an automatic monitoring function. The sulfur dioxide purification treatment device comprises a rack, and a first box body and a second box body are welded to the top end of the rack. Through the lifting mechanism, to-be-purified gas rapidly rises and is matched with the air blower, the to-be-purified gas is blown to the right side of the interior of the second box body, the concentration of sulfur dioxide in the to-be-purified gas is monitored through the monitor, a sodium hydroxide solution is sprayed out through the purification mechanism in a stirring state, and sulfur dioxide in the to-be-purified gas is treated; small-particle smoke dust can cover the top end of a second filter plate in the purification process, through cooperative use of an opening and closing mechanism and a cleaning mechanism, the top end of the second filter plate can be cleaned in time, cleaned impurities can fall on the inclined surface part of a mounting part to be collected, and a sodium hydroxide solution can be collected in a first box body; therefore, part of impurities are separated from the sodium hydroxide solution, and the subsequent recovery treatment process of the sodium hydroxide solution can be shortened to a certain extent.

The application belongs to the field of cellulose ethers, and embodiments provide a sodium carboxymethyl cellulose and a preparation method and a dust suppressant thereof. The method comprises the following steps: mixing cellulose, a solid base and a solid etherifying agent to obtain a first mixture; adjusting the humidity of the first mixture by using a humidity adjusting medium to obtain a flowable wet powder body; mechanically activating the wet powder body to obtain a second mixture; performing a heating treatment on the second mixture to cause the second mixture to undergo an alkalization reaction and an etherification reaction; performing a neutralization treatment on the obtained heating treatment product to obtain a neutral mixture; and sequentially performing a dissolution treatment and a purification treatment on the neutral mixture to obtain the sodium carboxymethyl cellulose. The method of the embodiments of the application does not require a large amount of organic solvents such as isopropyl alcohol, thereby reducing the generation of waste liquid and significantly reducing the environmental disposal cost and production safety risk.

The utility model relates to a plastering assembly and plastering device.The plastering assembly comprises a plastering mechanism, a displacement mechanism and a recycling box, the plastering mechanism comprises a plastering plate and a protection plate which are connected, and a mortar passing opening is formed between the plastering plate and the protection plate; the displacement mechanism comprises a bearing platform and a side baffle, the troweling plate is connected with the bearing platform at an angle, a mortar channel is formed between the side baffle and the protection plate, and the mortar passing opening is communicated with the mortar channel; the recycling box communicates with the end, away from the mortar passing opening, of the mortar channel. According to the plastering device, the lime slurry passing opening allowing the lime slurry to pass through is formed in one side of the plastering plate, direct recycling of the lime slurry is achieved, the plastering effect cannot be affected, the procedures of cleaning and recycling redundant lime slurry can be directly reduced, and the plastering construction efficiency is effectively improved. The problems that excessive lime slurry escapes from the two sides of the troweling plate, the troweling quality is affected, and the cleaning and recycling procedures are increased are effectively solved.

The utility model relates to the field of graphite recovery, and particularly discloses a graphite dust recovery device which comprises a dust collection box body, a filter screen, a motor, a rotating shaft, a transmission belt and a transverse plate, smoke generated by processing is introduced into the dust collection box body, the filter screen is used for intercepting graphite dust in the smoke, and the motor drives the rotating shaft, the transmission belt and the transverse plate to move. And the brush on the transverse plate is used for cleaning the filter screen. The filter screen can intercept most graphite powder, reduce air pollution and recover part of raw materials. After the device is used for a long time, the transverse plate drives the brush to move on the surface of the filter screen, the graphite powder embedded into the meshes is swept off, and the filtering effect of the filter screen is restored. When the self-cleaning device is used for self-cleaning, due to the fact that the rotating shaft only rotates automatically, the small-size transverse plate only moves up and down, the movement amplitude of the corresponding movable part is small, generated noise and equipment vibration are small, and the self-cleaning process is stable; in actual use, the motor only needs to be started at intervals, and the transverse plate does not need to work continuously.

The utility model belongs to the technical field of material conveying, and particularly relates to a device for preventing material leakage of a belt, which comprises a hopper, a conveying belt arranged below a discharge port of the hopper, and a material leakage prevention component connected onto the hopper, so that no material is scattered on the ground in the conveying process of the conveying belt. The anti-leakage component comprises a plurality of rubber pads symmetrically connected to the outer wall of the hopper, the outer sides of the rubber pads are connected with fixing steel plates through positioning bolts, the bottoms of the rubber pads make close contact with the conveying belt, the fixing steel plates are matched with locking nuts through the positioning bolts and connected to the outer sides of the rubber pads, and the rubber pads are fixed to the outer wall of the hopper. The bottom of the rubber mat makes close contact with the conveying belt, it is guaranteed that no material is scattered on the ground from the side of the conveying belt in the conveying process of the conveying belt, the workload of material recycling and cleaning of workers can be reduced, and the operation labor intensity of the workers is relieved.

The invention relates to the technical field of separation and purification of fine chemicals, and discloses a continuous evaporation desublimation purification process of ODA, which comprises the following steps: step 1, melting; step 2, primary sublimation crystallization: conveying the molten ODA into a primary sublimator for light component removal treatment, enabling a gas-phase component to enter a primary desublimation device for crystallization, and enabling a liquid-phase component to enter a secondary sublimator; step 3, secondary sublimation crystallization: heating and evaporating the light component removed ODA in a secondary sublimator, enabling a gas-phase component to enter a product desublimation device for crystallization, enabling a small amount of undesublimated ODA and impurities in the product desublimation device to enter a tail gas desublimation device, and enabling residual liquid to enter a tertiary sublimator; and 4, third-stage sublimation crystallization: heating and evaporating the ODA residual liquid subjected to the second-stage sublimation treatment in a third-stage sublimator, crystallizing a gas-phase component in the third-stage sublimator, collecting crystals, returning to a melting stage for recycling, and discharging heavy-component residual liquid. The problems of solvent residue, low yield, low efficiency and high labor intensity in the prior art are solved.

The utility model discloses an inorganic fireproof expansion sealing element which comprises an expansion body carrier and an expansion body material layer, the expansion body material layer is arranged on the outer surface of the expansion body carrier or arranged on the periphery of the expansion body carrier, and the expansion body carrier is an inorganic plate. The inorganic fireproof expansion sealing element adopting the structure is high in strength and free of corrosion and volatilization, the cost of a traditional organic flexible solvent is reduced on the basis of ensuring the fireproof expansion performance, the recovery treatment of waste materials of a traditional flexible fireproof expansion sealing element is reduced, and the production cost is reduced. The process of fixing and combining the flexible fireproof expansion sealing piece and the inorganic filler is omitted, and the fireproof performance is improved.

The invention relates to the technical field of medicine treatment, and discloses an expired article collecting and treating device for nurses, which comprises a support frame, the top of the support frame is provided with a shell used for sealing the whole device, and the top of the shell is provided with a feed inlet; the treatment mechanism is located at the top of the supporting frame and used for treating the expired articles, the treatment mechanism comprises a conveying assembly, a crushing assembly and a disinfection assembly, the conveying assembly is located in an inner cavity of the shell and used for conveying the expired articles, and the crushing assembly is located in an inner cavity of the supporting frame and used for crushing the expired articles; the disinfection assembly is located in the inner cavity of the shell. According to the medicine crushing device, by introducing the design of the hydraulic telescopic rod and the extrusion plate, the crushed expired medicine is further extruded; by means of the improvement, the problem that internal medicine cannot be completely damaged due to protection of an aluminum-plastic plate on the outer side of the medicine is effectively solved, and it is guaranteed that the expired medicine is completely treated in the crushing process.

The present invention relates to the field of chemical production technology, and in particular to a production process and system for polyketone resin. The present invention further improves the mass transfer and heat transfer effects by coordinating the temperature control, stirring and external circulation heat exchange in the reaction kettle during the reaction process, so that the temperature of the slurry material in the reaction kettle is maintained within an appropriate range, thereby avoiding the degradation of the quality of the polyketone resin caused by heat transfer problems; by setting a slurry washing process, the catalyst precious metals wrapped on the surface and inside of the polyketone resin are fully washed into the washing medium, which greatly reduces the residual amount of the catalyst precious metals in the obtained polyketone resin, and can fully recover the precious metals, the system runs stably, is easy to operate, and has good economic benefits.

The invention discloses a method, a device, equipment and a medium for realizing operator cold number recovery and reuse. The method comprises the following steps: firstly, obtaining a to-be-recovered and reused number in an operator cold number recovery and reuse order; then, using Selenium to simulate browser operation to execute recovery operation on the to-be-recovered and reused number, and obtaining a recovery result of the to-be-recovered and reused number; then simulating browser operation through Selenium to execute allocation operation to obtain an allocation result of the number to be recycled and reused; then state checking operation is carried out on the to-be-recycled and reused number to obtain the to-be-recycled and reused number which is successfully allocated; and finally, outputting the successfully allocated to-be-recycled and reused number, so that a shop assistant opens an account for the successfully allocated to-be-recycled and reused number, thereby completing the recycling and reuse of the operator cold number based on Selenium. According to the method, the cold number recovery and reuse of the operator are realized based on Selenium, and the efficiency and accuracy of the operator in the cold number recovery and reuse process can be remarkably improved.

The embodiment of the utility model discloses an automobile intelligent sensor practical training platform which comprises a practical training platform box body, the lower end of the practical training platform box body is provided with a table board, the two ends of the table board are installed on longitudinal plates, the practical training platform box body comprises a surrounding plate, the front end of the surrounding plate is provided with an installation panel, and the front end of the installation panel is provided with a circuit panel. A first universal support is installed on the top of the surrounding plate, a laser radar is installed on the first universal support, a second universal support is installed on the table plate, a global navigation satellite system is installed on the second universal support, a switch, an industrial personal computer, a CAN bus analyzer, an ultrasonic radar assembly and a binocular camera are further installed on the installation panel, and a displayer is installed at the upper end of the installation panel. According to the utility model, a simulation environment is provided for the installation and adjustment of the sensor, the deployment operation of the intelligent sensor at the vehicle end can be simulated, the assembly practical training and debugging practical training operation can be carried out besides the electrical performance test, and the utilization rate of the intelligent sensor of the vehicle is enriched.

The invention provides an assembled steel sheet pile supporting structure and a construction method, and the supporting structure comprises standard section steel sheet piles and steel sheet pile universal connectors for connecting two adjacent standard section steel sheet piles; the left end and the right end of the steel sheet pile universal connecting body are each provided with a clamping groove capable of being matched with the end of a standard section steel sheet pile in a clamped mode, detachable positioning blocks are arranged at the positions, corresponding to the clamping grooves, of the steel sheet pile universal connecting body, and at least two positioning blocks are arranged in the length direction of the clamping grooves at intervals. A positioning groove capable of being matched with the positioning block in an inserted mode is formed in the end, stretching into the clamping groove, of the standard section steel sheet pile. The invention discloses an assembled steel sheet pile supporting structure and a construction method. The assembled steel sheet pile supporting structure is mainly composed of standard section steel sheet piles, positioning blocks and steel sheet pile universal connectors. The arrangement positions of the standard section steel sheet piles are restrained by taking the steel sheet pile general connectors as the guide beams, so that the construction procedures are reduced.

The utility model discloses a water -saving photovoltaic module intelligence cleaning device, including the cleaning machine case, the inside of cleaning machine case is provided with water tank and cabin respectively, the inside of cabin is installed with first water pump and second water pump respectively, the water injection opening of second water pump is connected with water injection rod through pipeline, the water outlet of water injection rod is installed with the cleaning disc, the surface of water injection rod is fixed with the connecting assembly, the utility model discloses the recovery box, the water collecting plate, the connecting assembly and first water pump through the design, through the water washing cleaning of the wastewater that the photovoltaic module surface that is in the inclination installation generates along the inclination surface and flows, in the process of flowing, through the water collecting plate and concentrate collection, concentrate the wastewater and flow into the recovery box, first water pump work will be in the wastewater in the recovery box and send to the water cabin, realize water circulation use, reach water -saving effect.

The invention discloses a sequence data processing method, storage equipment and a storage system. The processing method is applied to the storage device, the storage device or the storage system carries out data processing operation in the form of a sequence data stream, the method comprises the steps that the storage device carries out data processing operation in the form of the sequence data stream, and the method comprises the steps that the storage device receives sequence data sent by a host end; the storage device stores the sequence data in the form of a sequence data stream, and sets a corresponding sequence data index; and the storage device receives a data operation instruction sent by the host end for the sequence data, and performs corresponding processing on the corresponding sequence data based on the sequence data index. Through the mode, a software stack of the host end can be greatly simplified at the host end, and the occupation of storage access of the host end on a processor and a memory of the host end is reduced.

The present invention is applicable to the technical field of solid-state hard disk data management, and provides a solid-state hard disk data management method and system, which determines a target source block in a target solid-state hard disk that contains both valid files and invalid files, and sets the valid files in the target source block as designated valid files; identifies designated valid files, determines the number of reads and modifications of the designated valid files within a first preset time period, and calculates a first evaluation parameter. By comprehensively analyzing the historical operation data of the file and the dynamic update of the associated files, the future estimated modification probability of the designated valid file can be scientifically and objectively evaluated. Specifically, the first evaluation parameter is based on the number of modifications and reads of the file within a preset time period, reflecting the activeness of the file's use; the second evaluation parameter captures the data modification trend related to the designated valid file by analyzing the update frequency of the associated files.

The utility model belongs to the technical field of waste gas treatment, and particularly relates to a denitration catalyst production waste gas treatment device. Comprising an electrostatic dust collector, a condenser, an acid-base absorption tower, an oxidation absorption tower, an activated carbon adsorption device and a chimney which are sequentially connected, and a waste gas condensate water outlet and a circulating cooling water outlet of the condenser are connected with a condensate water recovery pool through pipelines respectively; the device further comprises a mixing mill and roller bed type calcining equipment, and air outlets of the mixing mill and the roller bed type calcining equipment are respectively connected with the electrostatic dust collector through pipelines. By integrating multiple purification technologies, the waste gas treatment quality is remarkably improved, it is ensured that waste gas emission reaches the standard, and pollution to the environment is effectively relieved. Condensate and circulating cooling water are recycled to serve as cleaning water in the waste gas treatment process, and the resource utilization rate is increased while the equipment cleaning requirement is met through real-time adjustment of pH.

The application discloses a kind of surface hydrophobicity coated heavy medium flotation equipment and process, belong to mineral processing technical field.The flotation equipment includes flotation tank (7) and concentrate port (7), the inner bottom surface of flotation tank (7) is inclined surface, and inclines to concentrate port (10) place.Process includes: S1, grinding obtains raw ore pulp;S2, surface coated rubber's heavy medium (11) and raw ore pulp are given to flotation equipment according to proportion;S3, strong stirring and in addition kerosene, 2# oil is stirred again, aerofloat obtains concentrate and tailings;S4, weak magnetic separation, separates heavy medium particle.This process is simple and easy to operate, equipment is simple, moving parts are few, work is stable, energy consumption is low, the existing flotation machine is simply transformed to creatively combine heavy medium beneficiation and flotation together, realizes that the specific gravity is higher, and the heavy suspension liquid that internal heavy medium distribution is more uniform;And heavy quality is recovered well, loss is very little in beneficiation process, with development application prospect.

The utility model discloses an automatic stamping device for a precise electronic component die, relates to the technical field of stamping equipment, and aims to provide the automatic stamping device for the precise electronic component die, which can cut off waste offcut and is convenient to recycle and store. A progressive die is arranged between the working table and the stamping equipment, a finished product sliding groove corresponding to the progressive die is formed in the working table, and the finished product sliding groove corresponds to a finished product station of the progressive die. The reciprocating lead screw drives the driving plate connected with the reciprocating lead screw to move, the driving plate is driven by the reciprocating lead screw to move up and down in a reciprocating mode and drives the cutter to move at the same time, the cutter cuts leftover waste materials on the material bearing frame into ends, the waste materials can form uniform sections, and recycling and storing work is facilitated.