184results about How to "Environmental protection" patented technology

The invention relates to the technical field of dirt cleaning, in particular to a cable self-cleaning assembly for a ship winch, which is mounted on a rack of the ship winch and comprises two mounting frames, a connecting rod is fixed between the two mounting frames and penetrates through a moving seat, a lead screw is screwed on the surface of the moving seat, and two ends of the lead screw are rotatably connected to the two mounting frames respectively. Two supporting plates are fixed to the top face of the movable base, a connecting plate is fixed between the top faces of the two supporting plates, two fixing plates are inserted into the surface of the connecting plate, and a wire guide roller is rotationally connected between the fixing plates and the movable base; the ship stranded wire correcting device has the beneficial effects that the position of the movable seat can be conveniently adjusted by rotating the screw rod, so that the distance between the wire guide rollers is adjusted, and ship stranded wires are corrected. And meanwhile, the cable can be automatically cleaned in the winding process through the design of the protective sleeve and the steel wire brush, the cable can be automatically oiled through the combination of the oil storage tank and the sponge core, manual intervention is not needed in the whole process, and the working efficiency is greatly improved.

The present invention relates to the technical field of photovoltaic power equipment, and discloses a photovoltaic grid-connected cabinet, including a cabinet support and an outer shell, wherein a plurality of breathing plates are fixedly installed inside the cabinet support, and the plurality of breathing plates divide the inner cavity of the cabinet support into different installation chambers, and the breathing plate includes a base plate and a plurality of heat-conducting blocks, wherein the plurality of heat-conducting blocks are embedded in the inner surface of the base plate, and a flow guide pipe is embedded inside the base plate, and the flow guide pipe passes through the heat-conducting block and is fixedly connected, and a plurality of heat-conducting blocks are connected in series, and a breathing cavity is opened inside the heat-conducting block. The photovoltaic grid-connected cabinet adopts a breathing plate as a cabinet partition, and the opening and closing of the breathing cavity can be adjusted by controlling the expansion and contraction of a telescopic ball, so that the grid-connected cabinet not only has the function of blocking external dust and high temperature, but also has the function of one-way ventilation and heat dissipation. Since a monitoring component is arranged inside the breathing plate, the grid-connected cabinet has the function of discharging internal hot air nearby, reducing heat dissipation energy consumption, and being more environmentally friendly.

The invention discloses a carbon fiber composite pultrusion plate pyrolysis tail gas incineration treatment system, belongs to the technical field of tail gas treatment, and provides the following scheme that the carbon fiber composite pultrusion plate pyrolysis tail gas incineration treatment system comprises a secondary combustion chamber, a semi-dry quenching device, a pulse bag-type dust collector, a flue gas reheater, an alkali liquor spraying and washing tower and a chimney, a gas inlet pipe is arranged on one side of the bottom end of the alkali liquor spraying and washing tower, and a gas outlet pipe is arranged on the other side of the bottom end of the chimney; an exhaust pipe is arranged at the upper end of the alkali liquor spray washing tower; the function that the driving shaft can drive the multiple atomization nozzles to rotate is achieved, and the atomization nozzles are further allowed to move in the horizontal direction. The dual movement mechanism greatly enlarges the spraying range covered by the atomizing nozzle, and ensures that the alkaline solution can be more comprehensively and fully mixed with the flue gas, so that the flue gas purification efficiency and quality are powerfully guaranteed; the incineration treatment system for the pyrolysis tail gas of the carbon fiber composite pultrusion plate shows more excellent practicability and efficiency when being used for treating the flue gas.

The utility model discloses a road marking removing assembly which comprises a bottom plate, a connecting disc is arranged at one end of the bottom plate, a protective frame is arranged at the top of the connecting disc, a motor is arranged at the top of the protective frame, a rotating rod is connected to one end of the motor, a polishing disc is connected to one end of the rotating rod, a water tank is arranged at the top of the bottom plate, and a mounting groove is formed in an inner cavity of the protective frame. An inner cavity of the mounting groove is provided with an atomizer, the bottom of the atomizer is connected with a plurality of drainage pipes, and one end of each drainage pipe is connected with a nozzle. Through cooperative use of an atomizer, a drainage pipe, a spray head and a water conveying pipe, water is conveyed into an inner cavity of the atomizer through the water conveying pipe, and water mist is conveyed into the drainage pipe and sprayed out through the spray head after being atomized by the atomizer, so that the grinding disc is cooled, the grinding disc is prevented from being damaged due to too high temperature, and the practicability of the device is improved.

The double-channel switching system for the sewage treatment plant comprises a water inlet box culvert, and the water inlet box culvert is communicated with a dry season treatment system and a rainy season treatment system; the dry season treatment system comprises a coarse and fine combined grid, and the coarse and fine combined grid is sequentially connected with a grit chamber, a membrane grid device, an AAO combined tank, an MER reaction tank and a first ultraviolet disinfection channel according to a process sequence; the rainy season treatment system comprises a self-cleaning grating, and the self-cleaning grating is sequentially connected with a flow regulating valve, a combined system regulation and storage tank, a magnetic precipitation system, a fiber turntable filter tank and a second ultraviolet disinfection channel according to a process sequence; the water inlet box culvert is provided with a liquid level sensor, a sludge concentration sensor and a flow velocity sensor, a switching valve is arranged at the process front end of the self-cleaning grating, and the liquid level sensor, the sludge concentration sensor and the flow velocity sensor are electrically connected with the control unit. The sewage treatment path can be automatically adjusted according to seasons and water quantity changes, and the sewage treatment requirements in dry seasons and rainy seasons are effectively met.

The utility model discloses shearing equipment for mesh belt processing, and relates to the technical field of shearing equipment. Comprising a workbench, a first portal frame is fixedly installed at the position, close to the right side, of the upper surface of the workbench, a linear module is installed on the upper surface of the first portal frame, a laser cutting head is installed on the lower surface of the linear module, and a first rectangular opening is formed in the workbench corresponding to the laser cutting head; a dust collecting box is fixedly installed on the lower surface of the workbench corresponding to the first rectangular opening, a pressing mechanism is arranged on the lower side wall of the dust collecting box and corresponds to the first rectangular opening, and an air draft mechanism is installed on the left side face of the dust collecting box. According to the mesh belt shearing machine, the mesh belt can be automatically conveyed, the sealing function of the first rectangular opening is added, conveying of the mesh belt is facilitated, the function of pressing the mesh belt is added, the mesh belt cannot deviate in the shearing process, the shearing position is accurate, the shearing quality is improved, the function of collecting smoke dust in the shearing process is added, and the mesh belt shearing machine is more environmentally friendly to use.

The utility model discloses a dust treatment device for sealant production, which belongs to the technical field of sealant production and comprises a containing box, and a mounting bin is arranged at the inner bottom of the containing box. The fixing ring is arranged at the inner top of the containing box, the exhaust port and the air inlet groove are formed in the inner side of the fixing ring, meanwhile, the filter plate is installed in the air inlet groove, and in addition, fan blades at the output end of the stirring motor in the installation bin are matched for use, so that in the sealant production process, the sealing effect is good, and the sealing effect is good. According to the device, dust can be shielded through an air curtain formed by exhaust, the dust can be sucked through negative pressure and then filtered through a filter plate, in addition, in the rotating process of a stirring rod, a scraper is driven to clean the dust accumulated on the surface of the filter plate, raw materials entering the containing box are effectively prevented from drifting away, the practicability is higher, and the device is worthy of popularization. Meanwhile, stirring of sealant raw materials, cleaning of the filter plates and dust prevention are controlled in a transmission mode, and more energy is saved in use.

The utility model discloses an environment-friendly inductor capable of preventing short circuit, which comprises an upper-layer nickel core magnetic seat and a lower-layer nickel core magnetic seat, and a winding post used for winding a coil is arranged between the upper-layer nickel core magnetic seat and the lower-layer nickel core magnetic seat. Detachable mounting structures for dismounting and positioning are arranged between the wrapping post and the upper-layer nickel core magnetic seat as well as between the wrapping post and the lower-layer nickel core magnetic seat; and grooves for clamping and limiting are symmetrically formed in the upper end surface of the upper-layer nickel core magnetic seat. According to the environment-friendly inductor capable of preventing the short circuit, the iron terminal is used as an electrode of a power type inductor, meanwhile, the production process is compressed, a butterfly-shaped iron terminal structure which is approximately equal to one third of the area of a traditional electrode is used for replacing two original electrode faces, and the silver plating, nickel plating and tin plating processes of the end face of the magnetic base are removed. And 60% of the production process is compressed, 85% of metal and chemical auxiliary materials are saved, the use is more environment-friendly, disassembly and assembly are convenient, maintenance and replacement are easy, and the cost is saved.

The invention belongs to the technical field of plastic processing, and discloses a processing method for reducing extrusion forming metal peeling, which comprises the following steps: plugging one end of a to-be-formed area of a pipe, performing shot blasting treatment on the to-be-formed area of the pipe, spraying a water-based colloidal graphite lubricant on the to-be-formed area of the pipe, and performing extrusion forming on the to-be-formed area of the pipe; and the pipe end sprayed with the water-based colloidal graphite lubricant is dried, a graphite dry film is formed outside a to-be-formed area, the pipe end of the to-be-formed area of the pipe is extruded into a high-temperature forming mold, in the pipe shrinking process, pits formed through shot blasting are gradually deformed, the graphite dry film is gradually discharged out of the pits, and supplement of the lubricant is formed. According to the method, the pipe end lubricating form is improved, the improved lubricating performance is improved, the metal stripping condition in the extrusion forming process is basically eliminated, and the product percent of pass is increased. In the implementation process, all the steps are simple and practical technological methods, implementation is easy through automatic and integrated means, efficiency can be improved for mass production, and cost can be reduced.

The invention relates to the technical field of fruit industry, and particularly discloses a regulation and control method for promoting and strengthening flowers of citrus and application. The regulation and control method comprises the following steps: spraying a blossom-promoting regulatory factor A at an aging stage of citrus autumn shoots; and spraying a blossom-promoting regulatory factor B from one week before budding of the citrus in the next year to the flower bud stage. The flower-promoting regulation factor A comprises the following components in spraying concentration: 15 to 50 [mu] g / ml of S-abscisic acid, 25 to 100 [mu] g / ml of prohexadione calcium, 0.05 to 1 [mu] g / ml of chlorin iron, and the balance of an agriculturally acceptable auxiliary agent; and the flower-promoting regulatory factor B comprises the following components in spraying concentration: S-abscisic acid of 1-35 [mu] g / ml, benzylaminopurine of 10-70 [mu] g / ml, chlorin of 0.1-2 [mu] g / ml and the balance of agriculturally acceptable auxiliaries. The method can regulate tree axillary bud flowering hormone balance, effectively improve the next-year citrus flowering amount, improve the flower bud quality and flowering uniformity, reduce the proportion of deformed flowers, reduce the fruit retention difficulty, improve the citrus yield and improve the citrus quality.

The present invention relates to the technical field of chloride ion water softeners, specifically a controllable chloride ion water softener, comprising a placement seat, a resin tank, a multi-way valve controller, a pressure gauge, a chloride ion detector and a brine mixing box, wherein a resin tank is fixedly installed on the left side of the top of the placement seat, a multi-way valve controller is fixedly installed on the top of the resin tank, and a first water inlet pipe is fixedly installed on the top of the multi-way valve controller, a pressure gauge is fixedly installed on the outer wall of the first water inlet pipe, and a sewage pipe is fixedly installed on the left outer wall of the multi-way valve controller. The present invention is provided with a chloride ion detector and uses a water softener developed by us, which is easy to install, does not increase the difficulty of installation, effectively controls the problem of excessive chloride ions in the water outlet of the water softener, solves the phenomenon of corrosion of boilers, equipment and pipelines caused by chloride ions, greatly prolongs the service life of various water-using equipment and pipelines, and reduces a series of safety risks caused by pipeline corrosion.

The invention discloses a method and a device for treating supersaturated wastewater containing chlorobenzene organic matters, and belongs to the technical field of high-concentration organic wastewater treatment. According to the technical scheme, the method for treating the supersaturated wastewater containing the chlorobenzene organic matters comprises the following steps: 1) separating and dissolving undissolved chlorobenzene; 2) oxidizing chlorobenzene and regenerating filler; 3) thoroughly oxidizing chlorobenzene and intermediate products thereof; (4) flocculating settling; the device comprises a first-stage reaction tower, a second-stage reaction kettle and a flocculation sedimentation tank which are sequentially connected through pipelines, the first-stage reaction tower is provided with a wastewater inlet pipeline and a first-stage reaction tower water outlet pipeline, and the first-stage reaction tower water outlet pipeline is provided with an acid liquor feeding pipeline, an oxidizing agent I or catalyst feeding pipeline and a first-stage UV reactor; and a second-stage UV reactor is arranged on a pipeline between the first-stage reaction tower and the second-stage reaction kettle. The method is suitable for treatment processes of high-concentration / supersaturated chlorobenzene-containing organic matter wastewater and high-concentration / supersaturated chlorobenzene-containing organic matter wastewater.

The graphite rod turning machine with the dustproof structure comprises a machine shell, the inner wall of one side of the machine shell is connected with a clamping assembly through a bearing, a graphite rod body is fixed in the clamping assembly, a dust removal box is fixed in the machine shell, an inlet pipe is connected to the outer wall of one side of the dust removal box in an inserted mode, and a collecting hopper is fixed to the top end of the inlet pipe. The collecting hopper is located at the bottom of the graphite rod body, a centrifugal fan is fixed to the outer wall of one side of the machine shell, a filtering assembly matched with the centrifugal fan is fixed into the dust removal box, and one end of the inlet pipe extends into the dust removal box and is fixedly provided with a check block. According to the graphite rod turning machine, through the arrangement of the centrifugal fan, the filtering assembly and the dust removal box, when the graphite rod body is turned, dust is sucked into the dust removal box through the centrifugal fan, the dust is filtered through the filtering assembly, the dustproof effect can be achieved when the graphite rod is turned, and then the graphite rod turning machine is more environmentally friendly when used; and the interior of the machine tool can be kept in a clean state.

The utility model relates to the technical field of foot margins, in particular to a pre-embedded foot margins convenient to install, which comprises a pre-embedded box body, a light-transmitting installation opening, a light-transmitting cover plate, a light-transmitting cover plate, a light-transmitting cover plate and a light-transmitting cover plate, one end of the elastic sheet structure is fixedly connected to the interior of the embedded box body, and the other end of the elastic sheet structure is obliquely arranged; the bending installation piece comprises a light-transmitting part and an abutting part, a lamp body module used for emitting light is installed on the side, away from the abutting part, of the light-transmitting part, a light-transmitting hole is formed in the position, corresponding to the light-emitting position of the lamp body module, of the light-transmitting part, and a refraction light-emitting channel is formed between the light-transmitting hole and the light-transmitting installation opening; when the bent mounting piece obliquely enters the pre-embedded box body through the light-transmitting mounting opening, the elastic piece structure is used for abutting against the abutting part and driving the light-transmitting part and the abutting part to jointly abut against and be fixed to the inner side wall of the pre-embedded box body. The ground foot lamp has the effects of convenient and efficient installation, simple maintenance and environmental protection, and the ground foot lamp can be inserted and fixed instantly.

The utility model relates to the technical field of electric sanitation vehicles, and discloses a sweeping device for an electric sanitation vehicle, which comprises a mounting frame, a rectangular groove is formed in the top of the mounting frame, a fixing plate is fixedly mounted in the middle of the inner surface of the rectangular groove, and a reciprocating motor is mounted at the top of the fixing plate. The bottom output end of the reciprocating motor penetrates through the bottom of the fixing plate and is connected with a transmission gear, movable frames are arranged at the two ends of the fixing plate correspondingly, and rack plates are fixedly installed on one sides of the bottoms of the two movable frames correspondingly. A reciprocating motor is used for driving a transmission gear to rotate, two rack plates are matched to drive two movable frames to move towards the inner side under the meshing effect, accordingly, the bottoms of the movable frames drive a sweeping disc to do horizontal reciprocating motion, the sweeping range of the sweeping disc is further expanded, and the device can conveniently and comprehensively sweep the passing road surface; the cleaning efficiency is improved, and the use is more convenient.

The present invention relates to the technical field of spinning auxiliaries, and discloses a polyester spinning oil containing cyclic carbonate and a preparation method thereof. The spinning oil comprises the following components by mass: 40-60 parts of a smoothing agent, 15-30 parts of an emulsifier, 5-10 parts of an antistatic agent, 1-2 parts of an additive, and 8-12 parts of water, and the smoothing agent comprises a cyclic carbonate. The main component of the smoothing agent in the spinning oil is a cyclic carbonate, and the raw materials of the cyclic carbonate are carbon dioxide and an epoxy compound, which is more environmentally friendly when used as a smoothing agent; the side chain groups R1 and R2 of the cyclic carbonate are adjusted and combined, which can significantly improve the smoothness, permeability and stability of the spinning oil, can be more suitable for the spinning process, and can significantly reduce the occurrence of problems such as hairy yarns and broken ends during spinning.

The self-deslagging filter comprises a linear screen and a screen plate, two positioning columns are fixedly mounted on the inner side of the linear screen, a mounting plate is slidably arranged on the outer sides of the two positioning columns, an extrusion box is fixedly mounted on the right side of the top end of the mounting plate, and a piston plate is slidably connected to the inner side of the extrusion box; a force storage mechanism is arranged at the bottom end of the piston plate and used for rapidly and upwards extruding the piston plate to move once at set intervals, and translation mechanisms are arranged at the front end and the rear end of the mounting plate and used for driving the mounting plate to move by a certain distance along the bottom end of the sieve plate whenever the force storage mechanism drives the piston plate to move; the problem that a sieve plate of an existing self-deslagging filter for mineral separation does not have a self-dredging function in the operation process is solved.

The utility model relates to the technical field of concrete aggregate processing equipment, in particular to recycled concrete aggregate crushing equipment which comprises a base box body, a control keyboard is fixedly connected to the upper portion of the right end of the base box body, a material collecting box is inserted into the base box body, and a through hole is formed in the front portion of the upper end of the base box body. The base box body is fixedly connected with a dust suction device through a through hole, the middle of the upper end of the base box body is fixedly connected with a smashing box, the upper portion of the outer surface of the smashing box is fixedly connected with a feeding hopper, the feeding hopper communicates with the interior of the smashing box, and the feeding hopper is located on the rear side of the dust suction device; and the right end of the crushing box is fixedly connected with a screening device. According to the recycled concrete aggregate crushing equipment disclosed by the utility model, the screening device and the crushing assembly are arranged, so that waste concrete blocks can be more efficiently and uniformly crushed, and the manufacturing quality of recycled concrete is improved.

The combined incinerator comprises an incinerator body, a chassis, a gas circulation mechanism, a multi-stage purification mechanism and an automatic stirring mechanism, the gas circulation mechanism comprises a fan, a gas inlet pipe, an incinerator cover and an exhaust pipe, and the multi-stage purification mechanism comprises a wet dust collector, a collection drawer, a secondary filter box and a filter bag. The automatic stirring mechanism comprises a sealing box, a rotating paddle, a connecting shaft, a driving gear, a driven gear and a stirring frame, under the mutual cooperation of the mechanisms, the device can enable materials to be combusted more sufficiently, gas pressure can be transmitted to other mechanisms, gas purification is more thorough, use is more environmentally friendly, and the device is suitable for popularization and application. And meanwhile, the contact area between material combustion and air is increased, so that combustion is more sufficient.

The invention relates to a preparation method and application of a supported cobaltosic oxide catalyst, and the preparation method comprises the following steps: 1) dissolving a cobalt source and a carrier precursor in ethanol and water, adding 2-methylimidazole, stirring, standing, aging, and drying to obtain ZIF-67-based precipitate; and 2) carrying out primary roasting on the ZIF-67-based precipitate in a reducing atmosphere and carrying out secondary roasting in an oxidizing atmosphere in sequence to obtain the supported cobaltosic oxide catalyst, and applying the supported cobaltosic oxide catalyst to the reaction of catalyzing propane to generate carbon dioxide and water. Compared with the prior art, the method for preparing the supported cobaltosic oxide catalyst based on the ZIF-67 not only simplifies the preparation process and reduces the cost, but also remarkably improves the performance of the catalyst, and has important practical significance for improving the efficiency and economical efficiency of a VOCs catalytic oxidation technology; the preparation method provides a new and efficient solution for the development of a VOCs catalytic oxidation technology, and is expected to realize more environment-friendly and more economical VOCs treatment in industrial application.

This invention relates to the field of surfactants, and discloses a surfactant composition and a nanoemulsion, as well as their preparation method and application. The composition comprises an amphoteric surfactant and a high-flash-point alcohol ether auxiliary, wherein the weight ratio of the amphoteric surfactant to the alcohol ether is 100:30-100. This nanoemulsion exhibits good kinetic stability and low viscosity, and can be used to enhance oil recovery in low-permeability reservoirs, ensuring that the nanoemulsion product is more convenient, safe, and environmentally friendly to use.

The invention provides a high-rise building outer wall anti-permeability performance field detection device and method, and relates to the technical field of outer wall anti-permeability performance detection. The on-site detection equipment for the impermeability of the outer wall of the high-rise building comprises a storage box, a water injection pipe is fixedly arranged at a water injection opening of the storage box, the upper end of the water injection pipe is sleeved with a sealing threaded plug in a threaded mode, a booster pump is fixedly arranged on one side of the storage box, and a clamping rod frame is fixedly arranged on the other side of the storage box; a data display touch screen is fixedly arranged at the center of the side, away from the storage box, of the clamping rod frame, a fixing base is fixedly arranged on the side, close to the lower end, of the top face of the storage box, a water pump is fixedly arranged at the lower end of the fixing base, and a three-way pipe penetrates through the storage box and is fixedly arranged at a water outlet of the water pump. According to the on-site detection equipment and method for the anti-permeability performance of the outer wall of the high-rise building, the on-site detection equipment for the anti-permeability performance of the outer wall of the high-rise building is safer during detection, the operation is simple, and the use is convenient.

The novel eye-protection ceiling lamp comprises an installation base and a lamp body rotationally buckled on the installation base, a light source plate is fixed in the lamp body, an arc-surface eye-protection lampshade is arranged on the bottom face of the light source plate, a blue-bottom-free lining is arranged in the arc-surface eye-protection lampshade, and the blue-bottom-free lining is arranged in the arc-surface eye-protection lampshade. An abutting ring is fixed to the edge of the bottom face of the lamp body through a screw. The edge of the arc-surface eye-protection lampshade is clamped and pressed between the pressing ring and the lamp body for limiting; light refraction protruding points are evenly arranged on the arc face eye protection lampshade. The LED lamp is reasonable in structural arrangement, the arc face eye protection lampshade is arranged to be matched with the abutting ring, dismounting and mounting convenience can be improved, dismounting, mounting and maintenance operation is facilitated, the arc face eye protection lampshade is used to be matched with the blue-bottom-free lining, good light transmission is achieved, the diffuse reflection effect and the blue-light-free effect are achieved, and the service life of the LED lamp is prolonged. The aim of low glare value of the national standard can be achieved, light rays can be split, direct radiation is avoided, the eyesight protection effect is achieved, and applicability and practicability are high.

The utility model relates to a double-layer backlight source device for a liquid crystal display screen. The double-layer backlight source device is characterized by comprising a first backlight source assembly and a second backlight source assembly, the first backlight source assembly comprises a first light guide plate, a first light source and a light-permeable first reflective bottom layer, the first light source is arranged on the periphery of the side edge of the first light guide plate, and the first reflective bottom layer is arranged on the rear side face of the first light guide plate; the second backlight source assembly is arranged on the rear side of the first backlight source assembly, and the light-emitting area of the second backlight source assembly is located in the light-emitting area of the first backlight source assembly. The double-layer backlight source device can be conveniently switched into local illumination or full-screen illumination so as to meet different display requirements of the liquid crystal display screen, energy consumption is effectively reduced, and the double-layer backlight source device is more energy-saving and environment-friendly in use.

The utility model relates to the technical field of waste gas treatment, and discloses an environment-friendly tail gas treatment device for asphalt mixture production, which comprises a dust removal box, an adsorption box is fixedly connected to the side surface of the dust removal box, a filter screen plate is fixedly connected to the inner wall of the dust removal box, and a water storage box is fixedly connected to the back surface of the dust removal box. A water suction pump is fixedly installed on the upper surface of the water storage tank, the input end of the water suction pump is fixedly connected with a water suction pipe, the water suction pipe extends into the water storage tank and communicates with the interior of the water storage tank, the output end of the water suction pump is fixedly connected with a three-way pipe, and the two output ends of the three-way pipe are both fixedly connected with water outlet pipes; and the output end of the water outlet pipe extends into the dust removal box, the output end of the water outlet pipe is fixedly connected with a spray head, and the output end of the spray head corresponds to the surface of the filter screen plate. And dust removal treatment on the tail gas is achieved, so that the filter screen plate is kept clean, and use by workers is facilitated.

The present invention belongs to the technical field of lithium-sulfur batteries, and specifically discloses a method for preparing a positive electrode sheet of a lithium-sulfur battery with a sulfur gradient distribution, wherein carbon material and sulfur powder are uniformly mixed to obtain sulfur-carbon powder; the sulfur-carbon powder is heated to obtain a sulfur-carbon composite material; the sulfur-carbon composite material is mixed with a conductive agent, a binder, and a solvent to obtain a slurry; the slurry is coated on a current collector, and a positive electrode sheet is formed after heating; the positive electrode sheet obtained in step S3 is placed in a heating device with the current collector on top and the coated slurry on the bottom for heating, so as to obtain a positive electrode sheet of a lithium-sulfur battery with a sulfur gradient distribution. The present invention constructs a lithium-sulfur positive electrode sheet with a sulfur gradient distribution only by controlling the heating method of the positive electrode sheet of the lithium-sulfur battery. The method is simple, efficient, and environmentally friendly in the processing process, and is suitable for large-scale industrial production. The present invention further discloses the application of the positive electrode sheet prepared by the above preparation method in a lithium-sulfur battery.

The utility model discloses an auxiliary feeding mechanism for a blast furnace, which belongs to the technical field of steel manufacturing and comprises a supporting seat, a conveying groove is fixedly mounted on one side above the supporting seat, a cross frame is fixedly mounted on the other side above the supporting seat, and a feeding mechanism capable of feeding materials to blast furnaces with different heights is arranged on the conveying groove. The number of the feeding mechanisms and the number of the discharging grooves are four, the four discharging grooves are arranged at equal intervals, feeding work can be conducted on blast furnaces of four heights, using is more flexible, in the feeding process, a brush plate continuously sweeps the inner wall of a conveying groove, waste caused by the fact that materials adhere to the inner wall of the conveying groove is avoided, in the feeding process, a dust collector works, and the feeding efficiency is improved. Dust floating at the inlet of the blast furnace is sucked away through the dust suction head, materials are filtered through the filtering holes in the surface of the dust suction head, large materials falling out of the discharging groove are prevented from being sucked away, and using is more environmentally friendly.

The utility model discloses a waste gas treatment mechanism for a combustion unit, and relates to the technical field of waste gas treatment. Comprising a tank body, two partition plates are fixedly installed at the positions, close to the middle, of the inner wall of the tank body, the partition plates divide the tank body into a liquid storage chamber, an air distribution chamber and a filtering chamber in sequence from top to bottom, and an air inlet pipe is arranged on the left side wall, corresponding to the liquid storage chamber, of the tank body; a cleaning mechanism is mounted on the inner wall of the upper side of the air distribution chamber corresponding to the guide pipe, a round hole is formed in the partition plate on the lower side corresponding to the cleaning mechanism, the cleaning mechanism is movably inserted into the filter chamber, and filter mechanisms are arranged on the upper and lower side walls of the filter chamber corresponding to the cleaning mechanism; the waste gas treatment device has triple filtering and purifying functions, so that the waste gas filtering and purifying effects are better, the waste gas treatment requirements can be met, the emission is more environment-friendly, the cleaning function on the filter element sleeve is added, the service life is greatly prolonged, the use cost is reduced, the filtering effect is ensured, and the use is facilitated.

This invention discloses a flame-retardant sealant for battery cell lead terminals and its preparation method, relating to the field of adhesive technology. The flame-retardant sealant for battery cell lead terminals, by weight, comprises the following raw material components: 30-50 parts base adhesive, 20-40 parts composite flame retardant, 5-15 parts curing agent, 1-3 parts silane coupling agent, 3-8 parts toughening agent, and 1-5 parts thixotropic agent; the composite flame retardant is a mixture of aluminum hydroxide and an organophosphorus flame retardant, with a weight ratio of 0.2:1.5. This sealant synergistically improves flame retardancy and environmental friendliness. Through the precise formulation of the inorganic-organic composite flame retardant, it avoids the problems of traditional single flame retardants requiring large amounts or easily decomposing and producing toxins at high temperatures, ensuring both high flame retardancy and environmental friendliness.

The utility model discloses an electrochemical water treatment device utilizing floating bed plant ecology assistance, which comprises a floating bed plant treatment area and an electrochemical treatment area, the lower part of the floating bed plant treatment area comprises a floating bed plant treatment pond, and the upper part of the floating bed plant treatment area is provided with a floating bed plant substrate layer; the upper portion of the floating bed plant substrate layer is formed by alternating solar power generation panel areas and aquatic plant planting areas, aquatic plants are planted in the aquatic plant planting areas, a second water outlet pipe is arranged on the pool wall of one side of the floating bed plant treatment pool, and the electrochemical treatment area is composed of an electrochemical treatment pool, an anode area and a cathode area. A filter membrane is arranged between the anode region and the cathode region, and a lower end fixing plate and an upper end fixing plate are arranged on the filter membrane. Compared with the prior art, the utility model has the advantage that the utility model can be used.