53results about How to "Efficient reuse" patented technology

The invention discloses a waste crystalline silicon photovoltaic module recovery method based on pyrolysis and dense medium separation, which effectively removes organic matters such as ethylene-vinyl acetate (EVA), backboards and the like in a photovoltaic module through pyrolysis, and utilizes the density difference of silicon wafers, glass and solder strips in the pyrolyzed waste photovoltaic module to accurately blend different dense media to recover the photovoltaic module. The suspension liquid with different density gradients is formed, and efficient separation of the silicon wafer, the glass and the welding strip is achieved. And heavy medium residues on the surface of the material are further removed through a wet sieve, and finally the pure recycled material is obtained. According to the method, the recovery efficiency of the silicon wafers, the glass and the welding strips is ensured to exceed 99%, and the utilization efficiency and the resource recovery level of valuable materials are remarkably improved. According to the technical scheme, the technological process is simple and efficient in design, the recovery treatment cost is greatly reduced, and environment friendliness is achieved.

The invention relates to the technical field of waste sodium-ion battery recovery, and discloses a water-based solution-based waste sodium-ion battery hard carbon material recovery and regeneration method and application of the water-based solution-based waste sodium-ion battery hard carbon material recovery and regeneration method. Comprising the following steps: disassembling and separating the waste sodium-ion battery to obtain a hard carbon negative pole piece; stripping the hard carbon active material from the surface of the current collector, and collecting hard carbon negative electrode powder in the waste battery; removing side reaction products on the surface of the hard carbon negative electrode powder by adopting a water-based solution treatment method, and carrying out solid-liquid separation, washing and drying to obtain a primary regenerated hard carbon material; according to the specific failure mechanism and failure degree of the hard carbon material in the battery, the primary regenerated hard carbon is further subjected to annealing treatment, and the high-performance value-added recycled hard carbon material is obtained. The method adopts a water-based solution recovery technology, and has the advantages of safety, environmental protection and low cost; and meanwhile, the recovery process is simple, convenient and feasible, and has higher economic benefits. The performance of the regenerated hard carbon material is remarkably recovered, and the regenerated hard carbon material can be reused for manufacturing the sodium-ion battery.

The invention discloses a method for preparing functional artificial aggregate from lake and reservoir deposits, and belongs to the technical field of preparation of artificial aggregate. The functional artificial aggregate with excellent mechanical properties is prepared by taking the reservoir deposits, the mineral powder and the fly ash as main raw materials, adjusting the ratio of the reservoir deposits to the mineral powder to the fly ash, combining layered sodium disilicate, nano CaO and silicon powder as an alkali activator and an additive, and doping fibers and phase change microcapsules at the same time. The problems that in the prior art, reservoir deposits are difficult to recycle and low in utilization rate, and a traditional alkali excitation system cannot control the early strength are solved.

The utility model discloses an air compressor waste heat recovery device, including crankcase, the crankcase front end is provided with the drive motor, the upper end of crankcase is connected with the compression box, the upper end right side communication of compression box has the air inlet pipe, the upper end of air inlet pipe is connected with the air filter cartridge, the upper end left side communication of compression box has the air outlet pipe, the outside of compression box is connected with a plurality of water cooling fin, a plurality of water cooling fin outside sleeve joint has the air cooling cover, a plurality of water cooling fin left and right two ends all communicate with the distribution pipe, the utility model discloses through the synergies of water cooling fin and air cooling cover, carries out water cooling and air cooling heat exchange in compression box outside simultaneously, utilizes the high heat capacity characteristic of water cooling system to absorb most compression heat again through the air cooling system intensification heat dissipation efficiency, realizes the double recovery of waste heat, and the waste heat recovery efficiency is high. Cold water is heated after entering secondary heat exchange stage through water cooling fin, and the air of air cooling system heating can be directly used for workshop heating, forms energy cascade utilization.

The utility model discloses a recycling various waste batteries recycling equipment system, its characterized in that, including conveying device, disassembling device, shredding device, drying device, air guide device, sorting device and flotation device, conveying device includes conveyer, and the battery box and battery cover of battery are set up to split out battery cover mechanism for conveying machine, and the collection mouth of disassembling device is poured into after electrolyte collection in battery box material, and disassembling device includes disassembling machine, and the below of disassembling machine sets up brine pool, and brine pool sets up meshing conveying mechanism and conveys material to shredding device, and shredding device includes shredder, and the below outlet of shredder sets up fire lye pool, and fire lye pool iron class heavy metal class plastic class material is conveyed to sorting device through meshing conveying mechanism, and the black powder class material of deposition is sent to dehydration equipment dehydration through pipeline screw conveying mechanism, and then, using pipeline screw conveying mechanism, the material is sent into drying device. The utility model can make all resources of waste batteries, and process safety, reliable.

The present invention relates to the technical field of slope support. The purpose of the present invention is to provide a prefabricated vertical support retaining wall based on recycled concrete and a construction method thereof, comprising a plurality of H-shaped steels and a concrete base; the H-shaped steels are arranged at intervals, and their openings are arranged oppositely, an excavation area is formed between the relative openings of two H-shaped steels, a plurality of prefabricated sandwich columns are inserted in the excavation area, the transverse cross-section of the prefabricated sandwich columns is T-shaped, and comprises a front stopper, a rear stopper and a sandwich part connected between the front stopper and the rear stopper, and a steel cage is also pre-embedded in the prefabricated sandwich column; each front stopper forms a retaining wall, and the steel cages at both ends of the excavation area are welded with lateral force-transmitting steel plates; a plurality of horizontal force-transmitting steel bars are fixed on the steel cage, a fixing groove is provided on the top of the concrete base, and steel slide plates are provided at both ends of the concrete base, the structure has strong integrity, high construction efficiency, has excellent economic benefits, and solves the problem of practical application of recycled concrete.

The utility model relates to bean sprout cultivation technical field, specifically is a bean sprout production environment room, include: shell, fixed plate is fixedly connected with the both sides inner wall of shell close to end, two chutes, two the chute is respectively set up in one side end of shell, two sliding blocks, two the sliding block is respectively slidingly connected in the chute, through the combination of water pump, water flow groove, water pipe and shower nozzle, water flow can be evenly distributed to each planting drawer, and each shower nozzle output end has multiple tiny holes, can scatter water flow into tiny water flow, ensure that moisture evenly sprays on bean sprout, promotes its healthy growth, this design avoids the problem that partial area is too wet or too dry, improves the consistency and growth quality of bean sprout, and water circulation mechanism realizes effective recovery and reuse to redundant moisture through the combination of water pump, water flow groove, water pipe and shower nozzle, this not only reduces the waste of water resources, also reduces operating cost.

The invention belongs to the technical field of co-crystallization molecular sieves, and discloses a Fe-Mn-ZSM5 / 11 barium slag based co-crystallization molecular sieve and a preparation method thereof.The preparation method comprises the steps that S1, a barium slag acidification separation solution A containing ferric ions, aluminum ions and divalent manganese ions is prepared; s2, preparing a reaction solution B by using the silicon-containing barium slag; s3, preparing a low-sodium Fe-Mn-ZSM5 / 11 barium slag based co-crystallization molecular sieve; and S4, preparing the high iron and high manganese Fe-Mn-ZSM5 / 11 barium slag based co-crystallization molecular sieve. The high-iron high-manganese Fe-Mn-ZSM5 / 11 barium slag-based co-crystallization molecular sieve is prepared by taking the barium slag as a raw material and adopting a hydrothermal method, the recovery efficiency of barium is high, no additional pollution product is generated, the pollution of the barium slag to the environment is solved, and the resource waste is also reduced.

The application relates to the technical field of textile recycling, in particular to a rewoven process method based on shredded fabric recycling, which comprises the following steps: S1: classifying and screening the shredded fabric, and selecting fabric segments with a length not less than 10 cm; S2: cutting and processing the fabric segments to form cloth strips with a width of 1 cm-1.5 cm; S3: adopting a cross-knot tying method to tie and connect the cloth strips to form continuous cloth strip wires; and S4: reserving free ends with a length of 3 cm-5 cm at each connecting knot and keeping the free ends outside the woven structure to form a feather-like or tassel-like three-dimensional decoration effect. In the application, the shredded fabric is efficiently recycled, resource waste is reduced, and the green environmental protection requirement is met; the cross-knot tying is firm and not easy to loosen, the continuity and structural strength of the wire are ensured; the free ends are reserved to form a unique three-dimensional decoration, and the design performance and product added value are improved.

The utility model relates to the field of ship coating equipment, in particular to an over-spray paint mist recovery device suitable for ship coating. The device comprises a supporting frame, a recycling cover and a recycling box, the recycling cover is composed of a mounting part, a vacuum adsorption part and a first recycling pipe, the mounting part is connected with a spray gun head, and the vacuum adsorption part is provided with a vacuumizing hole and communicated with the mounting part through the first recycling pipe; and the recycling box is communicated with the first recycling pipe through a second recycling pipe, and is provided with a stirring mechanism for mixing the paint mist flocculating agent with the recycled paint mist. According to the device, by optimizing the structural design, the paint mist recycling efficiency is effectively improved, environmental pollution is reduced, and meanwhile the spraying quality is guaranteed.

The application belongs to the technical field of catalyst preparation, and relates to a preparation method and application of a CoCuNiPtRu high-entropy alloy nanoparticle catalyst. A one-pot wet chemical method is used to uniformly mix 4-amino pyridine solvent and metal precursors, and then ascorbic acid is quickly added for reduction in an oil bath at 95 DEG C. After reaction, washing and drying, the catalyst is obtained. The method has the advantages of simple process and convenient operation. The obtained catalyst has high activity and selectivity in catalytic degradation of polylactic acid waste plastics under alkaline conditions, can efficiently upgrade and convert the polylactic acid waste plastics into acetic acid, provides a new way for resource utilization of waste plastics, and has good environmental protection and resource recycling prospects.

The invention discloses an electronic carrier tape injection molding machining waste treatment device, and belongs to the field of polymer waste treatment. Comprising a cylinder; a shell is arranged outside the machine barrel; the driving mechanism is arranged in the machine barrel; the temperature control mechanism is arranged outside the machine barrel; the forming mechanism is arranged in the machine barrel; the controller is arranged on the shell and used for receiving a signal sent by the temperature control mechanism and completing regulation and control of the controller according to the received signal; and a man-machine interface is arranged on the top surface of the controller. The temperature control device has the beneficial effects that the liquid cooling plate of the temperature control mechanism is matched with the lifting rod, the temperature sensor monitors the temperature of different temperature control areas in the machine barrel, temperature information is transmitted to the controller, and the controller controls the distance between the liquid cooling plate and the machine barrel through the information transmitted by the temperature sensor; accurate control over the temperature of different temperature control areas is achieved, and different requirements of different machining stages for the temperature are met.

The present application belongs to the technical field of energy recovery and utilization, and relates to an energy recovery and utilization system and a control method for a semi-active flapping wing power generation device. The system comprises a movement module and two hydraulic energy storage and conversion assemblies symmetrically arranged on both sides of the movement module. Each hydraulic energy storage and conversion assembly is provided with a piezoelectric assembly on the side close to the movement module. When the driving device touches the piezoelectric assembly, the hydraulic energy storage and conversion assembly recovers and stores the kinetic energy in the flapping wing sinking and floating movement in the form of hydraulic pressure. When the flapping wing moves to the limit position, the hydraulic energy storage and conversion assembly releases the stored energy to drive the flapping wing to realize the sinking and floating pitch coupling movement. Compared with the prior art, the present application introduces the hydraulic energy storage and conversion assembly in the sinking and floating process of the flapping wing, optimizes the sinking and pitch coordination of the flapping wing, effectively improves the energy collection efficiency, reduces the external energy input, and improves the system efficiency, economy and operation stability.

The utility model discloses a kind of plastic spraying solidification furnace waste gas waste heat recycling devices, including device ontology, the device ontology is equipped with plastic spraying solidification furnace, waste gas pipe, tubular heat exchanger, mounting bracket, connecting pipe, processing box, processing pipe, air inlet pipe, heating pipe, hot air machine, controller, support frame, temperature sensor, filter screen, access panel one, access panel two, mounting plate, handle, installation slot, strong magnet, the plastic spraying solidification furnace is connected with tubular heat exchanger by waste gas pipe, the tubular heat exchanger is arranged on mounting bracket, the tubular heat exchanger is connected with processing box by connecting pipe, processing pipe and air inlet pipe are provided on the processing box, heating pipe and hot air machine are provided on the processing pipe, the heat in the high-temperature waste gas generated by plastic spraying solidification furnace can be effectively recycled, recycled heat can be used for heating air etc., the efficient reuse of waste gas waste heat is realized, energy consumption is reduced, and the production cost of enterprise is reduced.

The invention discloses a high-durability recycled concrete material and a preparation process thereof, and relates to the technical field of building materials, the high-durability recycled concrete material comprises recycled aggregates including recycled coarse aggregates and recycled fine aggregates; the cement, the recycled coarse aggregate, the recycled fine aggregate, the water, the admixture and the additive are mixed according to the mixing ratio of (25%-35%): (35%-45%): (20%-30%): (10%-15%): (3%-8%): (0.5%-2%), and the cement, the recycled coarse aggregate, the recycled fine aggregate, the water, the admixture and the additive are mixed according to the mixing ratio of (25%-35%): (35%-45%): (20%-30%): (10%-15%): (3%-8%): (0.5%-2%). The invention overcomes the challenges of complexity, economy and insufficient comprehensive durability in an extreme environment when the recycled material is used for preparing the high-durability concrete in the prior art.

The utility model relates to water tank cleaning technical field, specifically disclose a kind of cleaning mechanism for water tank of water grinding machine, comprising: water tank main body, the upper surface of water tank main body is fixedly connected and is installed motor, the drive end of motor is fixedly connected with stirring rod, one end of stirring rod is fixedly connected with telescopic link, one end of telescopic link is fixedly connected with brush, the side of water tank main body is fixedly connected with first water pipe, the bottom of first water pipe is fixedly connected with water pump, one side of water pump is fixedly connected with second water pipe, one side of second water pipe is fixedly connected with water storage tank, by let water circulation use, can make cleaning water in water tank get recycling, can substantially reduce the consumption of water, reduce the demand of frequently replacing water source, for some industrial processes that need continuous water, this device helps reduce water waste, and the frequency of water tank cleaning and water source replacement reduces.

The utility model discloses an anode baking furnace top heat preservation device with heat recovery function, including baking furnace body and the heat preservation device body of being located baking furnace body top, still include heat recovery device, heat recovery device installs heat preservation device body's top, heat recovery device includes heat collection board subassembly, heat collection board subassembly adopts high -efficient heat -conducting metal material to make, its shape is arc structure to adapt the top piece of heat preservation device top top, is equipped with a plurality of microchannels in the inside, lower surface coats high absorption rate black coating, and microchannel fills heat conducting medium. The utility model discloses through heat recovery device, realizes the efficient collection and reuse of baking furnace top heat loss, effectively promotes energy utilization, and reduces production cost.

The invention discloses an erosive wear device suitable for a servo valve and a test method, which are used for solving the problems that a plunger pump is not resistant to pollution, a gear pump is difficult to supply high pressure, and the multi-factor synergistic effect cannot be investigated in the existing test. The device comprises a polluted oil source, a clean oil source, a pressurization system and a tested piece system. Wherein the polluted oil source adopts a gear pump to supply oil, and is provided with a stirrer, a heater and a pollution degree detector; the pressurization system comprises a double-acting pressurization cylinder, a servo valve and an energy accumulator and can output high-pressure stable oil liquid. The clean oil source is used for driving pressurization and adjusting the pollution degree of the main oil way. During testing, a high-pressure mode and a low-pressure mode are switched through the three-way ball valve, and temperature and pollution degree adjustment is integrated. According to the invention, high-pressure and high-pollution-degree test oil liquid can be provided, and collaborative research of multiple factors such as pressure, temperature and pollution degree is supported, so that the test period is remarkably shortened.

This utility model provides a self-regenerative oxygen-enriched burner, belonging to the technical field of combustion equipment. The self-regenerative oxygen-enriched burner includes a combustion chamber; side plates, which are bolted to the left and right ends of the combustion chamber; L-shaped tubes, which are fixedly connected to the left and right ends of the side plates; a heat storage body, which is fixedly connected inside the two L-shaped tubes; and a support, which is fixedly connected to the lower end of the combustion chamber. A reversing valve is connected to the support, and a connecting pipe connects the reversing valve to the L-shaped tubes. In this design, the heat storage body receives and stores heat transferred from high-temperature flue gas during combustion, and then uses this heat to subsequently heat the cold air or gas entering the combustion chamber, achieving efficient heat recovery and reuse, reducing energy waste, and improving combustion energy utilization efficiency.

This invention relates to the field of excavator technology and its control method, specifically a pump-motor-based excavator stick energy recovery system. The system includes a hydraulic cylinder, a reversible hydraulic pump motor, an integrated electric generator, a three-position four-way solenoid valve with a first inlet, a first outlet, a second outlet, and a first return port, a first hydraulic pump connected to a hydraulic tank, a first check valve connecting the hydraulic pump outlet and the first inlet, an electric motor, a third check valve connecting the first return port and a second pipeline interface of the reversible hydraulic pump motor, and a first two-position two-way solenoid valve connecting the pipeline between the third check valve and the second pipeline interface to the first inlet. Specifically, the first pipeline interface of the reversible hydraulic pump motor is connected to the hydraulic tank via a fourth check valve and the third two-position two-way solenoid valve, and is connected to the first return port via a pipeline connected to the second two-position two-way solenoid valve. The first outlet pipeline is connected to the rodless chamber of the hydraulic cylinder, and the second outlet is connected to the rod chamber via a pipeline.

The invention relates to the technical field of waste engine oil regeneration, in particular to a waste engine oil regeneration process which comprises the following steps: step 1, flocculation; the method comprises the following steps: adding a demetallization agent and a flocculating agent into waste engine oil at normal temperature to obtain a mixed solution, heating the mixed solution to a reaction temperature, and settling the mixed solution after the reaction is finished to obtain flocculated waste engine oil; step 2, dehydration and dehydrogenation; carrying out vacuum filtration on the flocculated waste engine oil to obtain dehydrated and dehydrogenated waste engine oil; step 3, membrane filtration; the method comprises the following steps: permeating dehydrated and dehydrogenated waste engine oil to obtain base oil and a concentrated solution, wherein the concentrated solution is used as an asphalt additive product; 4, refining and decolorizing; and decolorizing the base oil by using silica gel sand to obtain the regenerated base oil. The demetalization agent disclosed by the invention has a good corrosion inhibition effect, can improve the treatment efficiency, is high in flocculation speed, large in floc and good in settling performance, and can effectively remove suspended mechanical impurities, carbon residues, ash and water in a waste engine oil regeneration process.

This application relates to iron filings processing equipment in the field of machining, and more particularly to an automatic iron filings collection and sorting device. The device includes a collection unit for collecting and transporting iron filings after machining; an oil circulation unit for storing, supplying, and recovering oil; a screening unit including a screening box with a horizontally arranged separating mechanism; a connecting unit for connecting the oil circulation unit, the collection unit, and the screening box; a stirring unit for stirring the liquid within the screening box; a discharge pipe for discharging the mixture of iron filings and oil from the screening box; and the screening unit for separating the iron filings and oil. This application achieves the goal of efficiently collecting, sorting, and processing iron filings, significantly improving production efficiency and environmental performance.

The invention provides a novel energy storage integrated converter for wind power generation in a micro-grid environment, relates to the technical field of wind power generation equipment, and solves the problems of converter damage, energy waste and complex maintenance caused by voltage fluctuation in the micro-grid environment. The converter comprises: an electrical system for performing boost grid connection after performing AC-DC-AC conversion on electric energy generated by a generator; the water cooling system is used for providing water cooling heat dissipation in the operation process; the fire fighting system is used for monitoring the fire behavior at the position of each system and implementing automatic fire extinguishing operation; the energy storage system is connected to a power module of the electrical system, and the main control system is connected between the energy storage system and the power module; the energy storage system is used for storing the discharged electric energy and providing the stored electric energy for the main control system in case of sudden abnormal conditions; the energy storage control system controls the power module to be connected and disconnected with an electric energy loop between the energy storage system and the main control system; energy waste is avoided, and the utilization rate of electric energy is effectively improved.

The utility model discloses a furnace temperature recycling device for a variety iron blast furnace, which relates to the technical field of furnace temperature recycling of blast furnaces and comprises a chimney, a plurality of fixing frames and a furnace temperature recycling mechanism arranged on the fixing frames and the chimney. The cleaning mechanism is arranged on the chimney and the furnace temperature recovery mechanism, and the cleaning mechanism comprises a mounting plate arranged on the chimney; the cleaning scraper is arranged on the mounting plate; the cleaning plate is arranged on the mounting plate; the supporting frame is arranged on the chimney; the discharging groove is formed in the supporting frame; and the air cylinder is arranged between the supporting frame and the mounting plate. Through the arrangement of the cleaning mechanism, after the device recycles the temperature of the high-temperature furnace, a heat conducting plate used for heat recovery in the furnace temperature recovery mechanism can be automatically cleaned, cleanliness of the heat conducting plate is guaranteed, the heat conducting plate effectively recovers heat, and the utilization rate of resources is guaranteed.

The present invention provides a detachable closed precipitation well cover, which is provided with a circular upper well cover and an annular lower well cover, the lower well cover is fixed directly below the upper well cover by a connecting mechanism and the outer diameters of the two are equal; the upper well cover is composed of two semicircular upper semicircular covers, the centers of the two upper semicircular covers are provided with concave semicircular grooves, the two upper semicircular covers are connected together by ingot nuts and bolts and a circular hole is formed in the middle, the circular hole is provided with a rubber sealing plug, and the rubber sealing plug is provided with a water outlet / air exhaust hole; the lower well cover is composed of two semicircular lower semicircular ring covers, the two lower semicircular ring covers are connected together by limiting screw holes; the inner walls of the lower surfaces of the upper well cover and the lower well cover are provided with rubber water stop rings; a water outlet / air exhaust pipe is vertically inserted in the circular through hole in the center of the upper well cover. The present invention has the advantages of simple equipment, easy operation, saving manpower, etc., and has good sealing effect, high pressure resistance, and can be effectively reused.

This invention discloses a wet classification and water resource recycling method and system for water-atomized metal powder, belonging to the field of metal powder preparation technology. The core of the method lies in using wet hydraulic classification to treat the water-atomized slurry, which is carried out entirely in a liquid medium, distinguishing it from dry classification. Specifically, it includes: wet sedimentation and concentration of the slurry, wet hydraulic classification, wet precision filtration, and purified water reuse. This invention, through a wet classification technology route, is naturally adapted to the slurry morphology produced by water atomization. While efficiently separating powders of different particle sizes, it directly addresses subsequent water resource purification and recycling, achieving a unified approach of full powder recovery and closed-loop water resource recycling. This solves industry problems such as high energy consumption during dry-wet conversion, difficulty in collecting fine powders, and water waste.

The utility model relates to the technical field of papermaking waste pulp recovery, and discloses a corrugated carton papermaking waste residue circulating treatment device which comprises a carton body, a motor is fixedly installed on the back face of the carton body, two crushing wheels are fixedly installed at one end of the motor, a driving wheel is fixedly installed at one end of one crushing wheel, and a driving wheel is fixedly installed at the other end of the other crushing wheel. And crushing rods are fixedly mounted on the outer surfaces of the two crushing wheels. Compared with a traditional device, the waste residue crushing device has the advantages that the crushing wheels are matched with the crushing rods, so that the waste residue can be conveniently crushed, the waste residue can be quickly crushed into fine particles, the treatment efficiency is remarkably improved, the treatment time is shortened, and the whole treatment process is smoother and more efficient; and different components in the waste residues can be better mixed and dispersed through the uniform crushing effect, a solid foundation is laid for subsequent separation, recovery and other steps, and the utilization rate of waste residue recycling is increased.

The invention relates to a pebble coal sorting, recycling and conveying system which is used for solving the technical problems that manual sorting efficiency is low, material particles are not uniform in size, and pipelines are prone to being blocked. The pebble coal sorting and recycling conveying system comprises an iron removal device arranged at an outlet of a coal mill and used for removing iron-containing impurities in pebble coal, a first sorting device used for screening the pebble coal into impurities and pebble coal particles, a crushing device used for receiving the pebble coal particles and crushing the pebble coal particles into crushed particles, and a conveying pipeline used for conveying the crushed pebble coal particles to the coal mill. The conveying pipeline is connected between an outlet of the crushing device and an inlet of the coal mill and used for receiving and conveying crushed particles, the second sorting device is arranged on the conveying pipeline and used for screening the crushed particles into raw coal particles, dust and pebbles and discharging the pebbles out of the conveying pipeline, and the dust removal device is arranged on the conveying pipeline and used for removing dust from the conveying pipeline. And the dust removal device is arranged at the downstream of the second sorting device in the material flowing direction and is used for receiving the raw coal particles and dust and filtering out the dust.

The invention provides a device system and method for coupling CO2 capture of flue gas difficult to treat with green chemical synthesis. The device system comprises a first CO2 capture device, a first electrolytic cell, a second CO2 capture device, a heat exchange device, a second electrolytic cell and a green chemical synthesis device which are arranged in series, and the heat exchange device is circularly connected with the first CO2 trapping device through a heat exchange pipeline. The device system provided by the invention is provided with two sets of CO2 trapping devices and the electrolytic bath in series connection, so that efficient recycling of the trapped CO2 is realized while carbon trapping of various flue gases difficult to treat is achieved, and the device system is suitable for large-scale popularization and application.

The utility model relates to the technical field of part machining, in particular to a brake part machining clamping mechanism which comprises a polishing box, baffles are fixedly connected to the two sides of the inner wall of the polishing box, a leak plate is fixedly connected to the interior of the polishing box, and a fixing plate is fixedly connected to the top of the leak plate. The top of the leak hole plate is provided with a clamping mechanism used for clamping brake parts, the clamping mechanism comprises three sliding rods, the three sliding rods are fixedly connected to the top of the fixing plate, a fixing disc is fixedly connected between the top ends of the three sliding rods, and a threaded rod is rotationally connected between the opposite faces of the fixing disc and the fixing plate. Compared with the prior art, the three faces of the part can be stably clamped, the stability of the part is effectively improved, the problem that the part slides due to uneven stress in a traditional clamping mode is solved, and the clamping reliability and the machining precision are improved.