122results about How to "Achieve purification effect" patented technology

The invention provides a water quality purification device for a black carp ecological culture pond, and belongs to the technical field of black carp culture, the water quality purification device comprises a culture pond, a supporting plate is arranged above the culture pond, first toothed plates are arranged on the two sides of the culture pond, a second toothed plate is fixedly connected in the culture pond, and a motor and a gear disc are arranged at the two ends of the supporting plate; a circulating assembly and a bearing assembly are arranged above the supporting plate, and the cleaning assembly is used for cleaning impurities at the bottom of the culture pond; the sterilizing assembly is used for sterilizing by utilizing the rising height of the liquid level; the filtering and oxygen increasing assembly can filter impurities in the culture pond and increase the oxygen content in the culture pond; the black carp culture pond has the advantages that substances such as fish manure and impurities in a water body in the culture pond are filtered and purified, meanwhile, the oxygen content in the culture pond is increased, and the survival rate of black carps can be increased; and the sterilization treatment on the culture pond can be automatically completed, the water quality safety is ensured, and the healthy growth of fishes is promoted.

The green printing device with the efficient drying function comprises a conveying rack, two supporting leg frames are fixedly connected to the bottom face of the conveying rack, a printing unit is fixedly connected to the upper surface of the conveying rack, a drying box is fixedly connected to the upper surface of the conveying rack, and two sets of drying lamps are fixedly connected to the inner wall of the drying box. The upper surface of the drying box is fixedly connected with an exhaust fan and a purification box. According to the device, through the arrangement of the drying box, the drying lamp, the exhaust fan, the exhaust pipe, the exhaust pipe, the purification box and an activated carbon adsorption material, air in the drying box can be heated through the drying lamp, printed matter is dried, air suction and purification are achieved, and through the arrangement of a backflow air pipe, a T-shaped air pipe and a drying air nozzle, through cooperation with the exhaust fan and the purification box, the drying effect is improved. Drying gas can be extracted and purified and flows back to the drying box, secondary utilization of heat in the drying gas is achieved, loss of heat resources is effectively reduced, and printed matter can be effectively dried conveniently.

The invention relates to the field of electroplating wastewater treatment, and discloses an electroplating wastewater treatment system and method.The electroplating wastewater treatment system comprises a plurality of pretreatment systems used for pretreating different types of electroplating wastewater; the at least three deep treatment systems are used for purifying the pretreated electroplating wastewater; wherein each advanced treatment system comprises a three-stage RO (Reverse Osmosis) system for primarily purifying the electroplating wastewater; the high-pressure RO system is used for concentrating the electroplating wastewater subjected to primary purification; the electrodialysis system is used for separating concentrated water generated by the high-pressure RO system; the common EDI system is used for improving the purity of the electroplating wastewater primarily purified by the three-stage RO system; meanwhile, concentrated water generated by the high-pressure RO system and the electrodialysis system enters an evaporator MVR to be subjected to evaporation treatment, and distilled water and concentrated residual liquid are obtained. According to the invention, high-efficiency water treatment, resource recycling and high-efficiency microorganism removal are realized, and the utilization rate of water resources and the quality of recycled water are remarkably improved.

The utility model discloses a ventilation cabinet with an air purification structure, which comprises a bottom box, a side plate is fixedly mounted at the top of the bottom box, a top box is fixedly mounted at the top of the side plate, a ventilation component is arranged at the top of the top box, clamping plates are fixedly mounted on two sides of a partition plate, and the clamping plates are fixedly mounted at two ends of the partition plate. The inner side end of the activated carbon filter plate and the inner side end of the dust collection filter plate are inserted into the inner side of the clamping plate, and an air inlet groove is formed in the bottom of the top box. According to the ventilation cabinet with the air purification structure, air enters the top box through an air inlet groove, the air entering the top box firstly passes through a dust collection filter plate, the dust collection filter plate absorbs large-particle dust in the air, and the absorbed air passes through an activated carbon filter plate again; small particles and harmful gas in the gas can be absorbed through the activated carbon filter plate, so that the purification effect on the discharged gas is realized, and the pollution to the environment is reduced.

The invention relates to the technical field of water-ink, and in particular to a method for preparing a polyurethane water-ink. The method comprises the following raw materials in parts by weight: 70-80 parts of acrylic resin liquid, 30-40 parts of deionized water, 8-10 parts of water-based pigment, 8-10 parts of ethanol, 8-12 parts of functional additives, 5-8 parts of connecting materials, 5-8 parts of wetting agents, 4-6 parts of defoaming agents, 1.2-1.8 parts of activators and 0.3-0.6 parts of drying agents. The invention prepares the functional additives as the main additive of the polyurethane water-ink by mixing modified ethoxylated polyurethane with water-based polyurethane adhesive. The modified ethoxylated polyurethane can form a stable structure in the water-ink, condense inside the polymer to form a three-dimensional network cross-linked structure, improve the cross-linking density of the water-ink structure, improve the density of the surface of the ink layer, and at the same time, produce an adsorption effect on the coating surface through the combination of its groups, so as to effectively improve the adhesion of the water-ink.

The present invention relates to the field of air dust reduction equipment, and in particular to an environmentally friendly dust reduction device for green and environmentally friendly building construction, including an air dust reducer, the air dust reducer includes a top bin, an air inlet is opened on one side of the top of the top bin, an exhaust fan is installed inside the top bin, a connecting tube is fixedly connected to the bottom of the top bin, a filter bin is fixedly connected to the bottom of the connecting tube, a guide bin is installed in the upper part of the filter bin, a filter screen is arranged in the upper part of the guide bin, a uniformly distributed connecting pipe is fixedly connected to the outer side of the bottom of the guide bin, a ring bin 2 is fixedly connected to the bottom of the filter bin, a ring bin 1 is arranged on the top of the ring bin 2, a water inlet is installed at the rear part of the outer periphery of the filter bin, the water inlet is used to connect a water source, and a uniformly distributed water inlet is arranged on the inner side of the ring bin 2. The present invention can utilize direct water washing of the air to achieve filtering and purification of the air in an indoor construction site, which is beneficial to the health of workers on the construction site.

The invention belongs to the field of gas technical purification, and particularly relates to a honeycomb-shaped high-concentration NO2 adsorption trapping material as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) preparing adsorbent slurry by taking high-silicon molecular sieve raw powder as a raw material; (2) putting a honeycomb carrier into the adsorbent slurry for dipping and coating; and (3) naturally airing, drying and roasting the impregnated carrier to obtain the integral honeycomb-shaped high-concentration NO2 adsorbing and trapping material. On the basis of the honeycomb-shaped high-concentration NO2 adsorption trapping material (the molecular sieve silica-alumina ratio is 1000-5000), NO2 is efficiently trapped through a pressure swing adsorption technology, meanwhile, the adsorbent subjected to adsorption saturation is reversibly regenerated, high-concentration NO2 desorbed gas is obtained, NO2 recycling is achieved, NOx tail gas of a nuclear industry post-treatment plant is recycled, and the purpose of recycling the NOx tail gas of the nuclear industry post-treatment plant is achieved. A stable NO2 gas source is provided for a spent fuel post-treatment main process, the dual requirements of NO2 raw material preparation and tail gas denitration of a post-treatment plant are met, and purification and recycling of NO2 are achieved.

The present invention discloses an indoor air purification system capable of achieving temperature difference complementation, and relates to the technical field of air purification. The present invention comprises a purification box, wherein a middle vertical plate is fixedly installed in the purification box, wherein two ventilation components are installed in the purification box, and the two ventilation components are symmetrically arranged, wherein the ventilation component comprises a middle horizontal plate fixedly installed between the middle vertical plate and the purification box, and two air intake pipes and two side plates are fixedly installed between the middle horizontal plate and the purification box, and each air intake pipe is installed with a de-impurity mechanism. The advantages are: the present invention can automatically realize the intercommunication of indoor and outdoor air according to the changes in indoor and outdoor temperatures, automatically realize the replacement purification of air and the complementation of temperature according to the temperature, and can better remove impurities in the air, and can also regularly process the removed impurities to avoid accumulation and blockage, and avoid affecting the purification efficiency, with a high degree of automation and a good purification effect.

The utility model relates to the technical field of support equipment of a reciprocating compressor unit, and particularly discloses a fuel gas system of a wellhead gas reciprocating compressor unit, which comprises a gas taking port, a first cooler, a coalescence type filter and an engine, a pressure reducing valve is arranged between the first cooler and the coalescence type filter, the engine is connected with the coalescence type filter, a compressor and a second cooling device are arranged between the gas taking port and the first cooler, one end of the compressor is communicated with the gas taking port, and the other end of the compressor is communicated with the second cooler. Compared with the prior art, according to the technical scheme, well head gas can reach the ideal state of fuel gas of an engine in the aspects of pressure, temperature and purity, and the use requirement of the engine for the fuel gas is met.

The present invention provides a simulation device and method for purifying mine water by underground reservoir rock mass, the simulation device comprises a purification module group, which comprises at least one purification unit connected in series, the purification unit comprises a plurality of purification modules assembled and connected in a modular manner, each of the purification modules is filled with underground reservoir rock mass with a preset particle size distribution; and a water storage component, which is connected to the inlet of the purification module group to supply the mine water to be purified. By using the simulation device, the test purification path can be effectively increased, the test cycle can be shortened, and the modular assembly is adopted, which is easy to install and operate, and effectively saves installation time.

The utility model discloses a kind of lubricating devices for half self-grinding machine gear, including base and half self-grinding machine installed above it, including first shell, injection device, second shell, bull gear, pinion, oil receiving box, oil guide pipe, driving assembly and filter assembly;Bull gear is installed in one end of half self-grinding machine;Driving assembly is connected with pinion;Bull gear and pinion are engaged;First shell and second shell are respectively sleeved in the outside of bull gear and pinion;Injection device is installed at the junction of first shell and second shell;Oil receiving box is installed in the inside of base;The upper end of oil guide pipe is connected with first shell, and lower end is connected with oil receiving box;Filter assembly is connected with oil receiving box.The utility model's injection device is installed above bull gear and pinion engagement point, so that lubricating oil is injected to bull gear immediately after engaging and lubricating with pinion, waste oil is collected into oil receiving box by combining first shell, is filtered in filter assembly, is recycled, and reduce lubricating oil waste.

The utility model discloses a steel structure workshop welding fume collecting and purifying device which comprises a fume purifying box, a spraying assembly, a fume collecting assembly and an angle adjusting assembly, one end of the fume collecting assembly is used for collecting fume, and the other end of the fume collecting assembly is communicated with the fume purifying box. The spraying assembly is communicated with the smoke dust purifying box, and the angle adjusting assembly is connected with the smoke dust collecting assembly and used for adjusting the collecting angle of the smoke dust collecting assembly. The smoke dust collecting angle of the smoke dust collecting assembly can be adjusted through the angle adjusting assembly, so that the collecting range of the smoke dust collecting assembly is expanded, then the smoke dust purifying effect is achieved through the smoke dust purifying box and the spraying assembly, and therefore the treatment efficiency of the device on the welding smoke dust in the steel structure workshop is improved.

This application discloses a method for preparing ultra-high purity citric acid monohydrate based on supercritical CO2, belonging to the field of citric acid preparation technology. The method includes the following steps: dissolving citric acid monohydrate in an organic solvent to prepare a citric acid solution; spraying the citric acid solution into a supercritical CO2 environment to crystallize the citric acid using the supercritical anti-solvent effect; performing dynamic washing with pure supercritical CO2; and obtaining ultra-high purity citric acid monohydrate crystals after depressurization and drying. The citric acid monohydrate product prepared by this method has high purity, high light transmittance, low total metal ion content, controllable crystal habit, and low organic solvent residue, meeting the stringent requirements of high-end applications such as electronic and pharmaceutical grades.

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

This utility model relates to the field of disinfection equipment technology, providing a disinfection device including: a housing, a xenon lamp module, and a pulse drive module. The housing contains a disinfection chamber. The xenon lamp module is disposed within the disinfection chamber and includes a transparent lamp tube and electrodes, with the electrodes located inside the transparent lamp tube. The transparent lamp tube is at least sealed and filled with xenon gas. The transparent lamp tube includes an alumina lamp tube and a quartz tube coated with an alumina layer. The pulse drive module is connected to the xenon lamp module and is used to apply a high-voltage pulse to the disinfection chamber, generating a high-energy ionization effect and a photon effect. This utility model uses a pulsed electric field to act on the air in the gas flow path, generating a highly efficient ionization, decomposition, and purification effect, thereby achieving comprehensive disinfection and purification of suspended microorganisms, organic pollutants, and odor molecules in the air. The device has a simple structure, can process a large volume of air in a short time, is highly safe, low-cost, and adaptable to different scenarios.

The utility model belongs to fertilizer technical field especially a kind of fertilizer nitrogen content monitoring device, including frame and the synthetic tower placed on the frame, the outside of the synthetic tower is provided with mixing mechanism, the mixing mechanism includes blade, the blade is generated vortex and shearing action by guiding airflow to realize the turbulent mixing of nitrogen and hydrogen, by setting monitoring mechanism, the quantitative analysis of nitrogen content in gas is realized, sampling probe extracts gas sample from air inlet pipe, the outlet of sampling probe is fixedly communicated with filter tank by electric heat tracing pipeline, ensure that gas keeps constant temperature in transmission process, prevent condensation, the inside wall of filter tank is installed with coarse filter layer, fine filter layer, dehumidification layer and oil removal layer from bottom to top in order, realize multistage filtration and purification to gas.

The utility model discloses an online purification and regeneration device for fan gear oil. The online purification and regeneration device comprises a gear oil tank, an oil inlet pipeline assembly, a filtering module, a coalescence dehydration module, a first oil pump, an oil return pipeline assembly, a gear oil regeneration module and a regeneration pipeline assembly, the gear oil tank is sequentially connected with an oil inlet pipeline assembly, a filtering module, a coalescence dehydration module and a first oil pump, one end of the first oil pump is connected with two paths, and one path is connected with the gear oil tank through an oil return pipeline assembly to form a loop; and the other path is connected with a gear oil regeneration module and a regeneration pipeline assembly, and the regeneration pipeline assembly is connected with the gear oil tank to form a loop. The device has the beneficial effects that particulate matters and water in oil are removed at the same time, the gear oil regeneration module is additionally arranged, so that the preliminary regeneration of aged oil products can be realized, the problem of aging of the fan gear oil can be effectively relieved, and the oil change cost is reduced. The device is connected to the outer side of the gear oil tank in parallel, an oil regeneration loop is connected with a normal oil return pipeline in parallel, online purification and regeneration can be achieved, use is flexible, and operation is easy.

The invention relates to high-temperature solid anaerobic fermentation equipment matched with gas pulse stirring, which comprises a closed box body, the interior of the closed box body is vertically divided into a fermentation space and a heating space by a transmission device, and the top of the fermentation space is provided with a feed pipe and an exhaust port which are provided with valves; the top of the feeding pipe is located outside, the bottom of the feeding pipe is located above the material level of the fermentation space, a plurality of gas pulse devices used for stirring materials in an air-blowing mode are communicated with the position, above the transmission device, in the fermentation space, and a discharging device for discharging solid materials is further arranged on one side of the bottom of the fermentation space; the heating space is used for receiving biogas slurry discharged from the fermentation space, a heating device is arranged in the heating space, and the heating space is communicated with the fermentation space through a pump set. According to the equipment, a high-temperature environment of solid anaerobic fermentation can be maintained on the basis of greatly reducing energy consumption, meanwhile, slag and liquid are convenient to separate, the loss of microbial colonies is small, dynamic and stable operation of anaerobic fermentation is ensured, and the proportion of methane in obtained biogas is increased.

The invention discloses application of an intelligent welding robot and a walking device in the cantilever crane welding field, the intelligent welding robot comprises a platform and a plurality of cantilever crane main chord members arranged below the platform, and further comprises two welding machines, the two welding machines are arranged on the upper end face of the platform, and the two sides of the lower end of the platform are each provided with a welding robot mechanism; a walking mechanism is arranged below the platform, a dust collection mechanism is arranged on the lower end face of the platform, by arranging the welding machine, the welding robot mechanism, the walking mechanism, a roller assembly and a gear assembly, automatic welding can be conducted on the crawler crane jib frame, the welding efficiency is improved, the labor intensity is reduced, and the welding quality is improved; influences on the industry caused by shortage of labor force of welders are relieved effectively, and the device is practical.

The utility model discloses a filtering structure of a closed fish tank, which comprises a tank body, a filtering assembly and a water pump assembly, specifically, the filtering assembly comprises a filtering support and a bacterium cultivation box, the filtering support can be installed on the tank body, a filtering groove is formed in the filtering support, a plurality of filtering holes are formed in the bottom wall of the filtering groove, the bacterium cultivation box is provided with bacterium cultivation materials, and the bacterium cultivation box can be arranged at the bottom end of the filtering support and located below the filtering groove. The plurality of filtering holes are used for guiding water flow into the bacterium cultivation box; the water pump assembly comprises a water pump and a conducting pipe, the water pump can be installed on the cylinder body, then one end of the conducting pipe is communicated with the water pump, and the other end of the conducting pipe guides water to the filtering groove. According to the filtering structure of the closed type fish tank, water in the fish tank is filtered through the filtering groove, the filtered water passes through the bacteria cultivation box, then passes through the water baffle and is finally guided into the fish tank so that filtering and full degradation of circulating water can be achieved, and the water quality can be improved.

This invention relates to the field of rainwater harvesting technology for sponge campuses, and discloses a rainwater harvesting device and its usage method for sponge campuses. The device includes a buried pipe, a connecting pipe, and a collection box connected in sequence. The top of the buried pipe has an arc-shaped, elastic, permeable shell that extends above the ground. Inside the shell is a pneumatic self-cleaning structure composed of a sliding groove, piston shaft, sliding plate, spring, and air holes. The bottom of the inner shell has a pressurized flushing component. The connecting pipe has a worm gear driven crushing component. The collection box is divided into an interception chamber and a sedimentation chamber by an inclined filter screen. This invention removes surface debris by pressing down the permeable shell, combined with pneumatic pipe unblocking, in-situ impurity crushing, and rainwater sedimentation and grading treatment, ensuring rainwater harvesting efficiency, reducing operation and maintenance difficulty and costs, realizing rainwater resource utilization, and meeting the needs of sponge campus construction. It solves the problems of existing flat-grid rainwater inlets in campuses being easily blocked by fallen leaves and other debris, large impurities causing pipe siltation, and high daily maintenance costs.

The utility model belongs to the technical field of juice production equipment, and particularly relates to a juice cleaning control system which comprises a mixing tank, a filter box is arranged at the bottom of the mixing tank, a same drain hole is formed between the mixing tank and the filter box, an electromagnetic valve is arranged in the drain hole, and two mounting seats are fixedly mounted on the inner wall of the left side of the filter box. Two through holes are formed in the right side of the filter box, a filter mechanism is arranged between one mounting seat and the corresponding through hole, and a purification mechanism is arranged between the other mounting seat and the corresponding through hole. According to the present invention, the design is reasonable, the sewage can be completely purified through the filtration mechanism and the purification mechanism, the water resource waste can be avoided through the arrangement of the water pumping mechanism so as to achieve the purposes of energy saving and emission reduction, the filtration plate and the laminate can be conveniently disassembled through the arrangement of the bidirectional mechanism, and the practicability is high. And the purpose of conveniently cleaning the filter screen and the purification layer can be achieved.

The utility model discloses a purification device for waste incineration waste gas, which relates to the technical field of waste gas purification and comprises a purification box, a partition plate is mounted in the purification box, an inner cavity of the purification box is divided into a liquid purification chamber and a filter purification chamber through the partition plate, and a filter plate is mounted in the filter purification chamber. Purification liquid is injected into the liquid purification chamber, and a gas inlet pipe and a gas outlet pipe which are used for allowing waste gas to enter and be discharged are arranged on the side wall of the purification box. The waste gas purification device solves the problems that waste gas is directly injected into water, so that the waste gas quickly rises in a bubble form, the contact time of the waste gas and purified water is short, and the purification effect is poor.

The invention belongs to the technical field of spinning, particularly relates to a high-strength polyethylene gel spinning system white oil deep purification and cyclic utilization process, and aims to solve the problems of incomplete purification, low cyclic utilization rate, unstable reuse quality, large adsorbent loss and high energy consumption in the prior art, and provides the following scheme: the method comprises the following steps: S1, collecting and pretreating crude white oil; the method comprises the following steps: collecting crude white oil generated in a high-strength polyethylene gel spinning extraction section, centrifugal deoiling and dry tail gas condensation, collecting the crude white oil into a crude white oil storage tank, adding a pretreatment aid into the crude white oil, and realizing deep purification and efficient circulation of the high-strength polyethylene gel spinning waste white oil through cooperation of a five-stage closed-loop process and five sets of customized formulas in a nitrogen protection atmosphere. The adsorption efficiency is improved by more than 35%, the index is close to that of fresh white oil, the cyclic utilization rate of the white oil is more than or equal to 95%, the consumption of each ton of fibers is reduced to below 1kg from 20kg, the hazardous waste output can be greatly reduced by more than 85% by the process, and VOC (volatile organic compounds) can be discharged after reaching the standard.

The application relates to a storage room system and method suitable for island material storage and seawater desalination, and belongs to the island life health field. In view of the problems of food perishability and freshwater shortage on islands, the application provides a storage room system suitable for island material storage and seawater desalination, which mainly comprises a refrigeration system, a plasma system and a seawater desalination system. The application realizes refrigeration and cooling of the storage space and provides a relatively suitable working temperature for the coupled plasma generating device by extracting low-temperature seawater to cool the refrigerant and arranging the evaporation pipeline around the storage room. Fresh water is prepared by utilizing the high humidity of island air, the air is heated through the convection effect of the compressor, the filtered air is humidified to the saturated state through the spraying device, and the fresh water is prepared through condensation. The application fully adapts to local conditions, utilizes the climate advantages and unique renewable energy of the South China Sea islands, and practically solves the actual needs of life.

The utility model relates to the field of environmental protection, and discloses a sludge low-temperature drying device which comprises a box body, a control panel is arranged in the center of the front end face of the box body, four supporting legs are arranged on the lower end face of the box body in a rectangular mode, and a stirring module is arranged on the upper portion of the center in the box body. A screening module is arranged in the box body at the upper end of the stirring module, a heating module is arranged on the upper portion of the center of the rear end face of the box body, a waste gas purification module is arranged on one side of the center of the upper end face of the box body, and a transmission detection module is arranged on the rear portion of one side of the upper end face of the box body and on the upper portion of the center of the rear inner wall of the box body; four discharging plates are arranged on the lower portion of the center of the interior of the box body in a rectangular mode. According to the sludge drying device, through the design of the stirring module, the motor, the stirring rod and the stirring blades are used for fully stirring and mixing sludge, so that the evaporation and drying process of water in the sludge is promoted, the drying efficiency is improved, and the energy consumption is reduced.

The utility model relates to air purification equipment technical field discloses a kind of fresh air machines. The fresh air machine includes casing, air purification module and air filter module. Shell is equipped with return air opening and air supply opening on the casing;First flow channel, second flow channel and third flow channel are formed in the casing;Air purification module is used to purify air;Second flow channel and third flow channel are all provided with air purification module;Air filter module is used to filter air;Third flow channel is also provided with air filter module. Indoor air enters first flow channel, second flow channel and third flow channel from return air opening, and then backflows to indoor from air supply opening. In the utility model, by the design of first flow channel, second flow channel and third flow channel, the fresh air machine can support multiple air treatment paths, and users can select different flow channels according to needs, significantly improving the types of internal circulation mode, solving the problem of single type of internal circulation mode in the prior art fresh air machine.

The utility model relates to the technical field of flue gas treatment, and discloses a flue gas purifier for a waste incineration power generation device, which comprises a purification tank, the inner top wall of the purification tank is rotatably connected with a driving pipe, the bottom end of the driving pipe is fixedly connected with a linkage plate, the surface of the linkage plate is fixedly connected with a movable ring, and the movable ring is fixedly connected with a movable shaft. And the lower surface of the movable ring is fixedly connected with an arc-shaped filtering net cover, the lower surface of the linkage plate is fixedly connected with a spraying head, and the output end of the bottom of the driving pipe is fixedly connected with the input end of the spraying head. According to the utility model, the arc-shaped filter screen cover is arranged in the purification tank, so that when flue gas exhausted by the garbage incinerator is purified, the flue gas is firstly input into the purification tank, then is filtered by the filter screen cover and is purified by the spray head, and the flue gas is purified by the spray head; and particles and impurities adsorbed on the surface of the filter screen cover drop to the bottom of the purification tank under the spraying action, so that the flue gas is filtered and purified.

The application discloses an algae biological rotating disc system and a method for treating aquaculture tail water and collecting microalgae by using the system. The algae biological rotating disc system comprises a reaction tank body, a rotating disc assembly and a collecting device, the rotating disc assembly is arranged in the reaction tank body, the rotating disc assembly comprises a rotatable rotating shaft and a rotating disc fixed on the rotating shaft, the rotating shaft is arranged through the reaction tank body, so that the rotating disc assembly rotates relative to the reaction tank body, the rotating disc comprises a disc piece and a carrier layer, the disc piece is provided with a supporting surface, the carrier layer is detachably fixed on the supporting surface, and the surface water contact angle of the carrier layer is greater than 90 degrees; and the collecting device comprises a scraper or a scraper knife and a collecting container for collecting algal sludge. The application can collect algal sludge with a water content of 70% to 85% and a microalgae purity of greater than or equal to 80% by using aquaculture tail water as a culture medium to produce microalgae biomass, and can be used for protein feed, bait or biodiesel raw material, and can simultaneously realize sewage purification.

The application discloses a kind of microbial complex bacterial population, microbial inoculum and application thereof, and is related to microorganism and application technical field.The microbial complex bacterial population includes Acinetobacter sichuanensis LHH12, Pseudomonas songnenensis SJ2-76, Diaphorobacter nitroreducens SYY4 and Thauera aminoaromatica SJ2-12.The microorganism for constructing complex bacterial population is obtained from semi-coke wastewater, and has good phenol tolerance and chemical oxygen demand (COD) degradation capacity, and can be used for purifying high-phenol wastewater, biological denitrification and phosphorus removal and degrading COD.The microbial complex bacterial population of the application can effectively improve the COD degradation rate in phenol ammonia wastewater and effectively reduce the treatment cost of high-phenol ammonia wastewater such as semi-coke without changing the original microbial community composition of wastewater through the synergistic effect between strains, which has great potential for promoting low-carbon green and sustainable development of coal chemical industry.