131results about How to "Realize recycling" patented technology

The invention provides a supercritical CO2 fracturing, displacement and storage integrated experimental device and method, belongs to the technical field of natural gas development, and is used for solving the problem that a real-time and multidirectional monitoring and evaluation experimental device for simulating a deep unconventional natural gas exploitation process is lacked. The supercritical CO2 fracturing, displacement and sealing integrated experimental device comprises an accommodating cavity, a ground stress simulation system, a gas source supply system, a fracturing fluid preparation system, a temperature control system, a tail gas recovery system, a multi-parameter monitoring system and a displacement effect evaluation system, and can systematically simulate true triaxial ground stress and ground temperature conditions; fracturing, displacement and sequestration experiments of supercritical carbon dioxide on a rock sample are carried out, multi-azimuth and multi-parameter real-time monitoring and quantitative characterization evaluation are carried out on experimental results in the experimental process, and important theoretical research and actual production guiding significance is achieved for development of deep unconventional natural gas and geological sequestration of carbon dioxide.

The invention discloses a method for hydrodechlorination and desiliconization of waste plastic oil, which comprises the following steps: removing Cl and Si elements from the waste plastic oil by using a slurry reactor under the action of a hydrogenation catalyst and hydrogen to finally obtain Cllt; 0.2 [mu] g / g, Silt; 1 [mu] g / g of a waste plastic oil product; the hydrogenation catalyst is a compound catalyst formed by an oil-soluble catalyst and a powder catalyst subjected to alkali treatment, and after recycling, the inactivated catalyst is subjected to roasting, primary alkali treatment, secondary alkali treatment and grinding and then regenerated to obtain the powder catalyst; therefore, the problems that in the removal process of Si and Cl elements in the waste plastic oil, catalytic materials, devices and equipment and product properties are affected, and hydrodechlorination and desiliconization catalysts are difficult to regenerate are solved.

The invention relates to a semi-conductive shielding material based on dynamic vulcanization and a preparation method thereof, and belongs to the technical field of cable materials. The semi-conductive shielding material comprises a continuous phase, a dispersed phase, a cross-linking agent, a functional additive and a conductive filler, the dispersed phase is ethylene propylene diene monomer and is dispersed in the continuous phase; the conductive filler is limited to be dispersed in the continuous phase and is lapped to form a conductive network; the continuous phase is polyethylene. According to the scheme provided by the invention, selective dispersion of the conductive filler can be realized, the electrical performance and mechanical performance of the semi-conductive shielding material can be improved while the use amount of the conductive filler is reduced, and the semi-conductive shielding material has the advantage of being recyclable.

The utility model discloses a cleaning device and a pressure vessel top cover C-ring groove cleaning device thereof, the pressure vessel top cover C-ring groove cleaning device comprises a cleaning fluid collecting box, a cleaning fluid collecting box, a cleaning fluid collecting box, a cleaning fluid collecting box cover, a cleaning fluid collecting box cover, a cleaning fluid collecting box cover, a cleaning fluid collecting box cover and a cleaning fluid collecting box cover, and the cleaning fluid collecting box is internally provided with a guide rail and a tooth row; the tooth row extends in the length direction of the cleaning liquid collecting box, and the tooth row and the guide rail are arranged at intervals. The cleaning assembly comprises a mounting frame, a cavity for storing cleaning liquid is formed in the mounting frame, and a plurality of nozzles are arranged on the cavity; the mounting frame is mounted on the guide rail, a first driving part is arranged on the mounting frame, a gear is arranged at the driving end of the first driving part, and the gear is meshed with the tooth row. By applying the cleaning equipment and the pressure vessel top cover C ring groove cleaning device thereof, the working intensity and the exposure dose of field operators can be reduced. And the cleaning liquid collecting box can collect used cleaning liquid, so that splashing of the cleaning liquid in the cleaning process can be prevented, and recycling of the cleaning liquid can be achieved.

The invention relates to the technical field of regenerated polyethylene materials, and particularly discloses a high-flame-retardant regenerated polyethylene plastic and a preparation process thereof. Comprising the following steps: S1, taking maleic anhydride polyamidoamine, adding water and ethanol, uniformly stirring, adding 1-octene, a vinyl silane coupling agent and benzoyl peroxide, stirring for reaction, and removing a solvent to obtain a modifier; s2, adding carbon black into water and ethanol, uniformly stirring, heating, adding a modifier, and performing reflux reaction to obtain modified carbon black; s3, adding double-bond phosphate and sulfydryl modified benzene diboron into tetrahydrofuran, uniformly stirring, adding high-density polyethylene and a photoinitiator, mixing, carrying out ultraviolet irradiation, filtering, taking a solid, and drying, so as to obtain modified polyethylene; s4, taking regenerated high-density polyethylene, polypropylene, modified polyethylene, calcium stearate, modified carbon black, an antioxidant, a diisocyanate cross-linking agent, dicumyl peroxide and toner, uniformly stirring, and performing melt extrusion to obtain the high-flame-retardant regenerated polyethylene plastic.

The invention belongs to the technical field of waste battery recovery, and particularly relates to a method for preparing battery-grade iron phosphate and lithium carbonate from a waste positive electrode material. The method disclosed by the invention comprises the following steps: (1) acid leaching; (2) extracting to remove copper; (3) removing aluminum with ammonium sulfate; (4) adjusting the iron-phosphorus ratio, oxidizing and synthesizing iron phosphate; (5) aging, washing with phosphoric acid and washing with pure water; (6) drying and calcining the iron phosphate to prepare battery-grade iron phosphate; (7) lime impurity removal and deamination; (8) evaporating and concentrating to extract lithium, precipitating lithium with sodium carbonate, and washing; and (9) carbonizing, removing calcium and magnesium from the resin, pyrolyzing and drying to prepare the battery-grade lithium carbonate. The method can realize comprehensive recovery of iron, phosphorus, lithium, aluminum, copper and other valuable elements in the waste lithium iron phosphate positive electrode material, can realize cyclic utilization of ammonia water, and can realize zero discharge of wastewater through evaporation concentration and solution cyclic recovery. The method is high in valuable metal recovery rate, and the comprehensive recovery rates of lithium and iron are both greater than 95%.

The invention relates to the technical field of hydraulic transmission and control, in particular to a motor pump set capable of recovering energy, which comprises a motor and a plunger pump, the motor and the plunger pump are connected through a valve body and transmit driving liquid, and a motor rotating shaft drives a cylinder body of the plunger pump to synchronously rotate; the valve body is provided with a low-pressure oil suction port and conveys driving liquid to the plunger pump in a one-way mode through the first low-pressure flow distribution port, and the plunger pump conveys the driving liquid to the high-pressure oil port in a one-way mode through the first high-pressure flow distribution port. A low-pressure oil return opening is further formed in the valve body and communicated with the low-pressure oil suction opening. The motor is matched with the plunger pump, the plunger pump can be used for conveying driving liquid to achieve the performance of the pump, gravitational potential energy of external equipment is converted into hydraulic pressure of the driving liquid, the plunger pump is driven to rotate reversely, so that the motor generates electricity, the working performance of the motor is achieved, energy recycling treatment is achieved, and the energy utilization rate can be effectively increased; and the energy waste is reduced.

The invention belongs to the field of stainless steel pickling, and particularly relates to an austenitic stainless steel whole-hydrochloric-acid-based stepped pickling method. At present, stainless steel pickling is mainly based on a mixed acid pickling (nitric acid and hydrofluoric acid) system, the problem of three-waste discharge exists in the pickling process, the pickling process is only suitable for removing ferritic stainless steel with weak binding force between an oxide layer and a metal matrix through pickling, and the oxide layers on the surfaces of ferritic cold plate stainless steel and austenitic stainless steel are difficult to remove. In order to solve the problems, hydrochloric acid is used for providing an acid environment, a pre-pickling and grading final pickling cooperative treatment method is adopted, a compact oxide layer on the surface of the austenitic stainless steel can be effectively removed, surface polishing and surface passivation can be achieved through the anodic polarization effect, and the stainless steel surface after pickling is free of pitting corrosion and intergranular corrosion phenomena; and the pickled stainless steel surface has high smoothness, the leveling and polishing quality of the BA plate can be remarkably improved, meanwhile, the production cost is low, and pickling waste liquid can be regenerated and recycled.

The invention discloses a thermal power plant slurry treatment device and a slurry treatment method, and belongs to the technical field of waste gas treatment. A thermal power plant slurry treatment device comprises a recovery mechanism arranged at the bottom of an absorption tower, a spraying mechanism is arranged in a tower body of the absorption tower and comprises an upper spraying structure and a lower spraying structure, the recovery mechanism is connected with the upper spraying structure, and filler is arranged between the upper spraying structure and the lower spraying structure. A stirring structure for stirring flue gas is arranged between the filler and the lower spraying structure, and a power structure for driving the stirring structure and the lower spraying structure to rotate is arranged outside the tower body. By adopting the thermal power plant slurry treatment device and the slurry treatment method, the slurry can be recycled, and the waste gas absorption and desulfurization effect of the slurry is improved.

The present invention provides a multi-cycle internal vortex aerobic granular sludge screening and regeneration system, which relates to the technical field of sewage biological treatment. A multi-cycle internal vortex aerobic granular sludge screening and regeneration system is provided, which is used in the technical field of sewage biological treatment. This system is mainly used at the rear end of an aerobic granular sludge reactor. When the granular sludge and flocculent sludge mixed in the reactor are discharged with water and enter the circulation pool, they are driven by the circulation drive member to pass through the vortex cylinder and then through the filter element to return to the bottom of the circulation pool to complete the circulation. At the same time, the filter element can effectively filter and separate the granular sludge, which can be returned to the front reactor through the output component for subsequent recycling and use, completing the use cycle of the granular sludge. In addition, the mixing circulation component can also send the excess mixed liquid accumulated on the upper part of the filter element back to the circulation pool to realize multi-stage circulation, and finally realize the recycling and regeneration of the granular sludge and the output of the clean water flow after treatment.

The utility model discloses a filtering device for an RTO (regenerative thermal oxidizer), which comprises a tank body and a tank cover, an air inlet pipe and a discharge pipe are arranged on the tank body, a water inlet pipe is arranged on the tank cover, the filtering device further comprises a spraying assembly and a filtering assembly, and the spraying assembly is detachably mounted on the tank cover and communicated with the water inlet pipe; the filtering assembly comprises a scraping plate and a filtering net plate, the scraping plate is detachably mounted in the tank body, and the filtering net plate is rotatably mounted in the tank body through the driving assembly. According to the utility model, particulate matters in waste gas can be filtered through the filter screen plate, so that the particulate matters are prevented from entering the RTO heat accumulating type oxidizing furnace to cause blockage of a heat accumulator, the probability of damage failure of the RTO heat accumulating type oxidizing furnace is reduced, frequent maintenance by workers is not needed, and the waste gas treatment efficiency is improved; and the filter screen plate can be automatically cleaned through the scraping plate and the spraying assembly, the labor intensity of workers is relieved, the cleaning efficiency of the filter screen plate is improved, and the filtering effect of the filter screen plate is guaranteed.

The invention relates to the technical field of anode mold surface treatment, in particular to an anode mold dry powder electrostatic spraying device which comprises a bearing frame, a screw feeder is arranged on the bearing frame, and a drum screening machine is arranged on one side of the screw feeder. The spiral feeding machine is responsible for feeding, the roller screening machine screens materials and then feeds the materials into the spraying mechanism, the spraying mechanism treats the materials and conveys the treated materials to the spraying gun mechanism for spraying, the material recycling mechanism can recycle barium sulfate dry powder accumulated at the bottom of a spraying tank, material recycling is achieved, cost is reduced, and the energy-saving and environment-friendly effects are achieved. The air supply dehumidification device provides dry air for the spraying process, the situation that the dry powder electrostatic spraying effect is affected due to the air humidity problem is avoided, the dry powder is prevented from being affected with damp, and the adhesiveness of the dry powder is affected is prevented, the spray gun mechanism evenly sprays the processed dry powder material on the surface of the anode mold in an electrostatic spraying mode, and then the dry powder electrostatic spraying operation of the anode mold is completed. Therefore, the surface treatment quality of the anode mold is improved.

The present invention provides a closed resistance furnace for producing negative electrode materials, comprising a furnace body, a furnace cover, a heating component, an exhaust gas control mechanism, a discharging mechanism and a cooling mechanism, wherein the negative electrode material can be placed inside the furnace body, the negative electrode material in the closed resistance furnace is heated by the heating component, and the exhaust gas control mechanism recovers the exhaust gas generated during the heating process, and the exhaust gas recovery and treatment can be achieved while ensuring that the temperature and pressure in the furnace are normal; at the same time, the cooling mechanism is conducive to heat insulation, which plays a significant role in the service life of the furnace body; the discharging mechanism is conducive to discharging, and automatic discharging can be completed without separating the furnace cover from the furnace body, thereby saving time, improving working efficiency, and ensuring the quality and strength of the negative electrode material.

The invention relates to a preparation method of a sulfur removal adsorbent, in particular to a preparation method of a reproducible low-temperature gas adsorbent for removing hydrogen sulfide, which comprises the following steps: loading a molded molecular sieve and an oxide precursor salt; according to the loading method, the operation process is simple, the active component can be efficiently loaded on the carrier, the loading capacity can be regulated and controlled, the impregnation liquid and the washing liquid can be recycled and efficiently utilized, and the preparation cost of the adsorbent is reduced. The invention also relates to a method for adsorbing hydrogen sulfide by the adsorbent and a method for regenerating the adsorbent after adsorbing hydrogen sulfide. The adsorbent carrier is a molded molecular sieve, and the active component is a transition metal oxide. The hydrogen sulfide adsorbent provided by the invention has high sulfur capacity and good deep desulfurization effect, can be regenerated for multiple times, is mild in operation in the regeneration process, and is used for removing hydrogen sulfide from gases such as blast furnace gas, coke oven gas or fuel gas.

The invention discloses a car lamp remanufacturing recycling device with a magnetic attraction separation function in the technical field of car lamp remanufacturing, and the car lamp remanufacturing recycling device comprises a feeding treatment mechanism, a material distributing assembly, a magnetic attraction treatment box and a magnetic attraction treatment mechanism, the magnetic attraction treatment mechanism comprises a plurality of magnetic attraction grooves, and the magnetic attraction grooves are provided with material bearing plates, magnetic attraction plates, limiting rotating structures and elastic rotating structures; according to the automobile lamp part crushing device, automobile lamp parts are crushed through the feeding treatment mechanism, and materials are separated into a plurality of magnetic suction grooves through the material separation assembly; through cooperation of the rotating assembly, the limiting rotating structure and the elastic rotating structure, the magnetic suction grooves can rotate and switch the upper position and the lower position, so that the two magnetic suction plates in the same magnetic suction groove work in turn, adsorption treatment on the upper side and the lower side and power-off discharging are carried out at the same time, and materials are directly separated from the magnetic suction plates for discharging in a power-off mode; and falling and collection of materials are more convenient.

The utility model relates to the technical field of papermaking, and discloses a high-bursting-strength regenerated craft paper which comprises a surface layer, a tearing-resistant assembly is arranged at the bottom of the surface layer, a core layer is fixedly connected to the bottom of the tearing-resistant assembly, a plurality of longitudinal supporting strips are fixedly connected to the bottom of the core layer, and the longitudinal supporting strips are fixedly connected to the bottom of the surface layer. The tearing-resistant assembly comprises a plurality of longitudinal supporting strips, a plurality of transverse wave strips are fixedly connected to the bottoms of the longitudinal supporting strips, a bottom layer is fixedly connected to the bottoms of the transverse wave strips, an outer sealing layer is fixedly connected to the outer portion of the surface layer, the tearing-resistant assembly comprises a plurality of longitudinal wave strips, and a plurality of transverse supporting strips are fixedly connected to the bottoms of the longitudinal wave strips. The bottoms of the transverse supporting strips are fixedly connected to the top of the core layer. According to the regenerated craft paper, the paper texture is lighter, meanwhile, it can be guaranteed that the paper is not prone to being damaged and is more stable, the tearing resistance is improved, and then the service life of the regenerated craft paper can be greatly prolonged.

The invention relates to the technical field of plastic high-pressure oil tank recycling, in particular to a waste high-pressure oil tank classification recycling device which comprises a smashing assembly, a processing assembly and a classification assembly. The crushing assembly comprises an arranged crushing shell and two groups of crushing rollers rotationally arranged in the crushing shell, the two groups of crushing rollers are relatively rotationally arranged, a gap for chippings to pass through is reserved between the two groups of crushing rollers, a feeding hole is formed in the top end of the crushing shell, and a discharging hole is formed in the bottom end of the crushing shell; the crushing shell is further provided with a blocking piece for movably blocking the discharging opening. And the treatment assembly comprises a treatment shell communicating with the discharging opening, a heating piece arranged in the treatment shell and a separation piece arranged in the treatment shell, a first classification opening and a second classification opening are formed in the treatment shell, and the second classification opening is used for molten plastic to flow out. The high-pressure oil tank recovery system has the effects that the adaptability of the recovery system to the high-pressure oil tank recovery types is improved, the recovery cost is saved, and meanwhile resource waste is reduced.

The invention belongs to the technical field of synthesis of organic compounds, and provides a catalyst for synthesizing photosensitive diamine compounds. The catalyst is prepared by taking zirconium oxychloride, palladium chloride, potassium hydroxide and metal sodium as raw materials through continuous reaction, has excellent catalytic activity and small pollution, and can be recycled after the reaction is finished, so that the production cost is greatly saved.

The invention belongs to the technical field of fine chemical engineering, and particularly relates to a process for preparing nano calcium carbonate by a wet method. A process for preparing nano calcium carbonate by a wet method comprises the following steps: polymerizing N-isopropylacrylamide and vinyl imidazole to generate a copolymer, then adding the copolymer into a calcium hydroxide suspension to form a crystal nucleus, dispersing the crystal nucleus, introducing carbon dioxide gas to carry out carbonization reaction, introducing nitrogen after the reaction is completed, and carrying out vacuum drying to obtain the nano calcium carbonate. Recovering the copolymer to be neutral and desorbing from the crystal surface; and finally, carrying out centrifugal separation, collecting a solid product, and carrying out vacuum drying to obtain the nano calcium carbonate. The nano calcium carbonate prepared by the process is uniform in particle size and good in dispersity. No toxic or harmful auxiliary agent needs to be introduced in the nano calcium carbonate production process, and the production purity is high.

The utility model discloses a spinning cotton carding carding mechanism which comprises a carding shell, a processing assembly used for spinning roll cotton carding is installed in the carding shell, the processing assembly comprises a carding assembly and a motor assembly installed on the upper side of the carding shell and used for roll surface carding, and the carding assembly comprises a motor assembly arranged at the rear end of the outer side of the carding shell. A cotton carding roller and a cotton roller which are driven by a motor assembly are respectively connected in the carding shell in a rotating mode, a feeding groove is formed in the side face of the carding shell, and a discharging groove is formed in the position, corresponding to the upper end of the cotton carding roller, of the top of the carding shell. According to the spinning, cotton carding and carding mechanism, when cotton is wound into the device, a cotton roll needing to be carded is guided out through the feeding groove, the guide grooves in the two adjacent and attached guide frames and the discharging groove, so that the two guide frames are separated from the cotton roll, the cotton roll makes contact with the surfaces of the cotton carding roller and the cotton roller, and the air cylinder assembly drives the carding plate to move towards the cotton carding roller and be attached to the cotton roll.

The present application belongs to the technical field of lithium resource extraction. The present application provides a gel-state lithium ion adsorbent and a preparation method and a delithiation method thereof. The preparation method comprises mixing lithium ion sieve material, alginate, galloyl glucose compound and calcium chloride to gel, and then drying to obtain dry gel, thereby obtaining the gel-state lithium ion adsorbent. The preparation method uses alginate and galloyl glucose compound to mix and crosslink, thereby improving the crosslinking strength and the compression resistance of the gel, and making the pore size distribution of the gel more uniform and dense, which is beneficial to improving the lithium extraction capacity. The obtained dry gel has a larger particle size than the powder, and has better hydrophilicity, which can increase the flowability during lithium extraction and reduce the loss, thereby improving the cycle efficiency.

The present application belongs to the technical field of lithium nitrate solution aluminum-lithium separation, and specifically relates to a method for self-adsorption separation and recycling of aluminum nitrate solution containing trace lithium, which comprises the following steps: S1: treating lithium ore or nitric acid leaching solution containing lithium waste by using a nanofiltration membrane to obtain monovalent ion solution mainly containing lithium nitrate and non-mono-valent ion solution mainly containing aluminum nitrate; S2: using the monovalent ion solution obtained in S1 to prepare battery-grade lithium carbonate after purification and impurity removal; S3: adding magnesium oxide or magnesium carbonate to the non-mono-valent ion solution obtained in S1 to adjust the pH to 2-3.4, and the reaction temperature is 40-100 DEG C; S4: washing the Al(OH)3 precipitate obtained in S3 with water to obtain a mixture containing Li + solution and crude Al(OH)3; and subsequent treatment. The present application has the advantages of simple process, low processing cost, high lithium metal recovery rate, green and environmentally-friendly process, good economic benefits, and easy industrialization application.

The invention discloses a wind-resistant device and method for a building construction platform, and the device comprises a U-shaped hanging rod piece which penetrates through an edge hanging net and is arranged on a frame body of the construction platform; the moving mechanism is movably arranged on the first direction rod body of the U-shaped suspension rod piece; the hydraulic oil cylinder is connected to the moving mechanism; the horizontal plate is horizontally connected to the lower end of the hydraulic oil cylinder; the electric guide rail is arranged on the horizontal plate; the rotating mechanism comprises a rotating motor and a controller connected with the rotating motor, the rotating motor is arranged on the electric guide rail in a sliding mode, the rotating motor is connected with a rotating rod, the rotating rod is connected with a supporting plate through an adapting piece, and the supporting plate is connected with an inserting piece on the edge hanging net in a pluggable mode; and the anemorumbometer is connected with a controller of the rotating mechanism. The form of two adjacent edge hanging nets at the corners of the construction platform can be converted from a right angle to a lead angle to change the windward structure of the adjacent edge hanging nets, the wind speed influence is reduced, and the structural safety of the construction platform is guaranteed.

The utility model relates to the technical field of new energy, in particular to a hydrogen production reaction device taking a nano material as fuel, which comprises a lower shell component, a reaction barrel, an upper shell component, nano fuel, an exhaust one-way valve, a pressure sensor, a safety valve and a liquid level sensor. The nanometer fuel is filled in the reaction cylinder body; and the exhaust one-way valve, the pressure sensor and the safety valve are arranged at the top of the upper shell assembly. The nanometer fuel and water are subjected to hydrogen production reaction, the supplied water amount is controlled, and the hydrogen production reaction amount of the nanometer fuel and the water is controlled. The reacted wet hydrogen is subjected to gas-liquid-solid three-phase separation through a gas-liquid separation net of the upper shell assembly, and the separated hydrogen is supplied to the outside through an exhaust one-way valve. According to the technology, the technical problems in hydrogen preparation, storage and transportation in hydrogen energy are effectively solved, and the technology has great promotion significance for human beings to utilize hydrogen energy in the future.

The invention discloses a soilless bamboo fungus cultivation method which comprises the following steps: step 1, cutting phyllostachys pubescens into sections of about 45cm, splitting and removing knots; 2, forming holes in the bottom of a 50 * 30 * 15 plastic basin to form a sieve shape; thirdly, a part of the bamboo chips are smashed through a smashing machine; 4, rice hulls of 3-5 cm are placed at the bottom in the plastic basin; fifthly, the bamboo chips are vertically stacked by one layer, and gaps are filled with smashed bamboo scraps; step 6, removing the fungus bags, and uniformly spreading a layer of fungus bags; and 7, vertically stacking a layer of bamboo chips, filling the bamboo chips with the crushed bamboo chips, and flatly paving and covering the bamboo chips to finish boxing. Step 8, placing the boxed fruits in a multi-layer room with a spraying and temperature control system, and after one month, enabling hyphae to fully grow in the whole box, fruiting and picking; the problems of difficulty, quality, production cycle and the like of a traditional planting method are solved, the production efficiency and quality of the dictyophora indusiata are greatly improved, and remarkable promotion force is brought to development of the dictyophora indusiata industry.

The utility model belongs to the technical field of activated carbon pickling, and discloses an activated carbon pickling device which comprises a processing table, a pickling mechanism is installed on the surface of the processing table, a waste water filtering assembly is installed on the surface of the processing table and comprises filtering plates, and the filtering plates are symmetrically installed on the bottom face of the processing table. The surface of the filter plate is provided with an inclined surface filter groove, the surface of the inclined surface filter groove is provided with an inclined scraping plate, the surface of the inclined scraping plate is provided with an adjusting plate, the surface of the filter plate is provided with a sliding groove matched with the adjusting plate, and the adjusting plate and the filter plate are in sliding connection through the sliding groove; the surface of the adjusting plate is provided with a sleeve rod, the inside of the sleeve rod is slidably connected with a supporting rod, and the device has the advantages that fine activated carbon impurities in waste water can be filtered, and the situation that the fine activated carbon impurities are discharged along with the waste water, and consequently the waste of activated carbon raw materials is caused is avoided.

The application discloses a waste heat recovery device for sludge pyrolysis, and relates to the technical field of sludge treatment equipment. The waste heat recovery device for sludge pyrolysis comprises, which are sequentially connected in cooperation, a pyrolysis furnace, a preheating furnace, a cooling furnace, a cyclone dust collector, a conveying motor and connecting bolts. The pyrolysis furnace is internally provided with a pyrolysis tube cavity, a ventilation bin and a combustion bin. The preheating furnace is internally provided with heat absorption fins and baffles for heat exchange intensification. The cooling furnace is internally provided with two groups of independent heat dissipation channels formed by double spiral plates. The cyclone dust collector realizes flue gas dust removal and purification. The flue gas and water vapor generated by pyrolysis are preheated after dust removal. Non-condensable gas is recycled as combustion supplementary fuel. Residual heat of sludge residue is used to heat air for combustion oxygen supply and sludge drying. Condensed water vapor is collected and treated through a condensate tank. The device realizes waste heat cascade recycling, has compact and stable structure, high heat exchange efficiency, can significantly reduce energy consumption and reduce secondary pollution, and is suitable for sludge pyrolysis treatment scenes.

This invention discloses a rapid drying device for strontium carbonate, comprising a heater, a feeder, a flash evaporator, a cyclone separator, a coarse bag filter, a water cooling mechanism, a fine bag filter, and a heat exchanger. The air inlet of the heater is connected to the heat exchanger via a return air pipe, and the air outlet of the heater is connected to the flash evaporator. The feeder is connected to the flash evaporator and adds strontium carbonate to be dried into the flash evaporator through the feeder. The outlet of the flash evaporator is connected to the cyclone separator, and the air outlet of the cyclone separator is connected to the coarse bag filter. The outlets of both the cyclone separator and the coarse bag filter are connected to the inlet of the water cooling mechanism. The air outlet of the coarse bag filter is connected to the heat exchanger, and the outlet of the water cooling mechanism is connected to the fine bag filter. This device improves thermal efficiency, enabling continuous production.

The invention discloses a drying device for plastic particle processing, and belongs to the technical field of plastic particle drying. A drying device for plastic particle processing comprises a fixing base, a control table is arranged on the outer wall of the rear portion of the fixing base, an air heater, a supporting foot base and a dehumidification assembly are arranged at the top of the fixing base, the tail ends of a plurality of supporting connecting rods are connected with a hollow pipe, and the circumferential outer wall of the hollow pipe is fixedly sleeved with a material distributing plate and further rotationally sleeved with a stirring assembly. The situation that the drying effect is affected due to the fact that particles are hard to make full contact with hot air due to accumulation is remarkably reduced, the possibility that the plastic particles are hardened and gathered on the inner wall of the drying chamber is further reduced, moisture can be evenly discharged, gas obtained after preliminary dehumidification is used for driving the silica gel drying circular plate to be recycled, and the composite dehumidification design is adopted. The trouble that the silica gel drying circular plate needs to be frequently replaced due to adsorption saturation is effectively reduced, the maintenance cost and the operation energy consumption of equipment are reduced, and the dehumidification efficiency of the equipment is improved.

The utility model discloses a fountain device which comprises a base, a water storage basin installed on the base, an installation base, a water pump, a spray head installed on the installation base and a power supply assembly installed outside the water storage basin, the installation base and the water pump are installed in the water storage basin, and the water outlet end of the water pump is communicated with a water inlet of the spray head. The driving end of the water pump is electrically connected with the power output end of the power supply assembly so that power can be supplied to the water pump through the power supply assembly. Compared with the prior art, the water storage basin is installed on the base, the base can be installed at any position, installation is easy and convenient, due to the fact that the spray head adopts water in the water storage basin, and the effect of a fountain is achieved through the water pump, the fountain is simple to construct, water sprayed by the spray head can flow back into the water storage basin again, and the water storage basin is convenient to use. And meanwhile, the spray head fountain is simple and attractive in shape, and has higher ornamental value when being used for spraying the spray head fountain.