21results about How to "Guaranteed emission standards" patented technology

The utility model discloses a VOCs (Volatile Organic Compounds) treatment system for UV (Ultraviolet) coating spraying waste gas, and relates to the technical field of waste gas treatment. Wherein the VOCs treatment system comprises a filtering and concentrating system and a heat utilization module which are connected in sequence. The filtration and concentration system comprises a wet pretreatment unit, a dry pretreatment unit and a zeolite rotating wheel adsorption and concentration unit which are connected in sequence; the heat utilization module comprises a catalytic combustion unit, and the zeolite runner adsorption and concentration unit is connected with the catalytic combustion unit. The waste gas treatment system disclosed by the utility model can be used for effectively treating acrylic ester, reducing energy consumption and enabling purified gas to reach the standard.

The utility model relates to the technical field of fuel blending, in particular to a fire coal blending device which is characterized in that a first raw coal bunker is communicated with a coal inlet of a coal feeder through a channel; the partition plate divides the channel into a first channel and a second channel; a first valve is arranged between the first channel and the first raw coal bunker, and a second valve is arranged between the second channel and the first raw coal bunker; the second raw coal bunker is communicated with a first coal blending opening formed in the first channel; the second valve is opened, the first valve is closed, the fire coal conveyed by the second raw coal bunker impacts the partition plate through the first coal blending port, the horizontal velocity component of the fire coal is eliminated, and then the fire coal conveyed by the second raw coal bunker is mixed with the fire coal conveyed by the second channel at the coal inlet to obtain design fire coal meeting the requirement; according to combustion characteristics, environment-friendly characteristics and economic characteristics of fire coal of different types and qualities in the first raw coal bunker and the second raw coal bunker, rapid and reasonable mixing is carried out in proportion, the safety and economy of combustion are met to the maximum extent, and standard emission is guaranteed.

The utility model discloses treatment equipment suitable for aged leachate. The treatment equipment comprises a pretreatment system, a DTRO (Disk Tubular Reverse Osmosis) system, an immersion combustion evaporation system, an ammonia separation membrane system and a contact oxidation system which are connected in sequence, the inlet end of the pretreatment system is connected with a lifting pump, and the aged leachate is guided into the pretreatment system through the lifting pump; the pretreatment system consists of a high-density sedimentation tank, a lime dosing device, a flocculant dosing device and an acid-base regulation dosing device; the high-density sedimentation tank is communicated with the clarification water tank; the lime dosing device, the flocculant dosing device and the acid-base adjusting dosing device are mounted on the edge of the high-density sedimentation tank; the system disclosed by the utility model has the advantages that the problems that the total nitrogen exceeds the standard, the residual concentrated solution is difficult to treat and the like in the traditional treatment of the aged leachate are solved, high-concentration ammonia energy in the aged leachate can be recycled, the treatment cost of the whole system is reduced, and an effective way is provided for the treatment of the aged leachate.

The utility model discloses a filtering and disinfecting tank, belongs to the field of sewage treatment, and solves the problem that the existing sewage treatment plant occupies a large area. The device comprises a filter tank, an ultraviolet disinfection tank and a chlorine supplementing tank which are sequentially communicated, the front end of the filter tank is communicated with a water inlet channel, the water inlet channel is connected with a water inlet pipe, the filter tank is communicated with the ultraviolet disinfection tank through a middle channel, and the rear end of the chlorine supplementing tank is connected with a water outlet pipe. According to the utility model, the channel is reasonably designed, and the filter tank and the ultraviolet disinfection tank are designed into a whole, so that the occupied area is effectively reduced, and land resources are favorably saved. And through combined design and construction, repeated construction and maintenance work among facilities are reduced, the operation efficiency and the management effect are improved, and the investment and operation and maintenance cost are reduced. Original pipeline connection is improved into channel connection, less underground space is occupied, and later expansion and transformation and other engineering implementation are facilitated.

The utility model relates to the field of chemical production, and provides a biochemical treatment system for high-concentration chemical wastewater. Comprising a biochemical reaction tank, the bottom of the biochemical reaction tank is connected with a heat exchange circulating pump and an output pump through pipelines, the heat exchange circulating pump is connected with a heat exchange channel of a heat exchanger through a pipeline, a heat exchange medium channel of the heat exchanger is connected with a condensate water circulating pipeline and a steam circulating pipeline, and the output end of the output pump is connected with an ultrafiltration membrane filter. The output end of the ultrafiltration membrane filter is connected with a circulating pump, and the output end of the circulating pump is connected with a filter assembly through a pipeline. Wastewater is treated in a biochemical treatment mode, sewage subjected to biochemical treatment is filtered through cooperation of the ultrafiltration membrane filter and the rotary brush type filters which are arranged in a two-stage series connection mode, the filtering effect is good, and wastewater which does not meet the discharge requirement continues to be circularly treated through arrangement of multiple sampling branches. Finally, qualified wastewater clear liquid is discharged after being adsorbed by activated carbon, and it is ensured that the treated wastewater meets the discharge standard.

The invention discloses a metal manganese wet smelting production process which comprises the following steps: crushing manganese carbonate raw ore, grinding into manganese mineral powder, feeding into a slurrying barrel, blending into slurry, conveying into a chemical combination barrel, preparing a crude manganese sulfate leaching solution in the chemical combination barrel, performing three-stage filter pressing and purification impurity removal, feeding the obtained electrolyte into an electrolytic bath for electrolysis, the filter residues, lime and a heavy metal chelating agent are mixed and fed into a low-temperature rotary kiln, produced ammonia-containing high-humidity flue gas is subjected to sedimentation dust removal and cooling by a heat exchanger to obtain low-concentration ammonia water for reuse, and the rest tail gas enters a spray washing device to be desulfurized and then discharged; and feeding the deaminated manganese slag into a medium-temperature roasting kiln for roasting modification to obtain a gelling fine powder product. According to the method, through collaborative optimization of all the steps, the purposes of high efficiency, high quality, low cost and environmental protection of metal manganese hydrometallurgy are achieved, and the practicability and the industrial popularization value of the process are greatly improved.

An aeration tank and a sewage treatment system are characterized in that an anoxic regulation and control mechanism and an aerobic regulation and control mechanism are arranged in an aeration tank body, the anoxic regulation and control mechanism can create an anoxic environment around the anoxic regulation and control mechanism so that the area becomes an anoxic section, and the aerobic regulation and control mechanism creates an aerobic environment around the aerobic regulation and control mechanism so that the area forms an aerobic section; in the process that sewage flows along the channel, the sewage sequentially passes through the anoxic zone and the aerobic zone, in the anoxic zone, most nitrate radicals and nitrite radicals in the sewage are reduced into nitrogen by denitrifying bacteria in activated sludge, and nitrogen elements in the sewage are removed; in the aerobic section, most ammonium nitrogen in the sewage is converted into nitrate and nitrite by nitrifying bacteria in the activated sludge, and nitrogen in the sewage is further converted and removed; the denitrification effect of the anoxic section and the nitrification effect of the aerobic section are synergistically carried out, so that nitrogen elements in sewage can be more effectively removed, the denitrification efficiency is greatly improved, up-to-standard discharge of the sewage is ensured, and eutrophication pollution to a water body is reduced.

This utility model relates to the field of chemical production and processing technology, specifically an automatic dispersant dosing device. It includes a dispersant dosing unit, a reaction unit, and a washing unit. The dispersant dosing unit includes a dispersant hopper, with a dispersant tipping machine connected to the bottom of the hopper, and a dispersant screw conveyor connected to the bottom of the tipping machine. The reaction unit includes a sodium sulfide solution preparation tank and a dispersant solution preparation tank, with the upper part of the sodium sulfide solution preparation tank connected to the sodium sulfide solution tank via a pipeline. In this automatic dispersant dosing device, the dispersant hopper, dispersant tipping machine, and dispersant screw conveyor, in conjunction with a level gauge and a PLC automatic control system, achieve automatic and precise dispensing of the dispersant. The tipping machine shaft and rake teeth of the dispersant tipping machine effectively prevent material blockage, while the screw conveyor shaft and blades of the dispersant screw conveyor ensure stable material transport, avoiding errors and delays associated with manual dosing.

The utility model relates to the technical field of environmental protection, in particular to a workshop dust and organic waste gas efficient treatment system which comprises a waste gas pretreatment part structure, and a waste gas output end of the waste gas pretreatment part structure is connected with a waste gas aftertreatment part structure; the waste gas input end of the waste gas pretreatment part structure is connected with a waste gas collection part structure; the waste gas pretreatment part structurally comprises a water washing tower, an alkaline washing tower and a medicine washing tower; the output end of the water washing tower is connected with the input end of the alkaline washing tower, and the output end of the alkaline washing tower is connected with the input end of the medicine washing tower; the input end of the water washing tower is the waste gas input end, and the output end of the medicine washing tower is the waste gas output end. The waste gas treatment device has the characteristics that the structural design is simpler and more reasonable, the waste gas at each waste gas generation point can be better collected, and the waste gas can be better treated in a centralized manner to reach the emission standard.

The invention discloses a method for preparing battery-grade lithium carbonate by recycling aluminum electrolysis waste residues, and belongs to the technical field of electrolytic aluminum waste residue treatment.The method comprises the following steps that a lithium-containing intermediate material is pulpified and ball-milled, wet dissolution is facilitated, a reactant alpha is obtained, the reactant alpha is conveyed into a hot acid reaction device, lithium is leached out through sulfuric acid, and lithium carbonate is obtained; lithium is leached into the solution, and lithium-containing leaching liquid is obtained through filtering; according to the method, the lithium-containing intermediate material can be treated through fine control steps, lithium is efficiently extracted, impurities are removed, the purity and quality of the product are ensured, meanwhile, the environmental protection property is considered, the reaction activity of the material is improved through roasting, the lithium leaching rate is increased, the pH value is adjusted through a chemical reagent, and the lithium sulfate solution is purified; on the other hand, slurry and reaction materials are efficiently mixed through a hot acid reaction device and a multi-layer mixing technology, the lithium leaching rate and the recovery efficiency are improved, and energy utilization is optimized through an external hot blast stove and a waste heat recovery system.

The utility model relates to the technical field of environmental protection, in particular to a drawer horizontal type washing tower for treating sulfur-containing and nitrogen-containing organic pollutants in a sewage station, which comprises a washing tower body, a gas inlet is arranged at the lower end of one side of the washing tower body, and a gas outlet is arranged at the upper end of the other side of the washing tower body and is connected with a waste gas post-treatment part structure; a plurality of mounting openings penetrating through the wall thickness are vertically formed in the washing tower body at intervals, material storage drawers are arranged in the mounting openings in a one-to-one correspondence mode, the material storage drawers are used for tiling and storing filler, and a plurality of through holes are formed in the inner bottom surfaces of the material storage drawers; bearing and supporting structures are arranged in the washing tower body and respectively correspond to the material storage drawers; spraying pipes and nozzles are arranged in the washing tower and correspond to the positions above the material storage drawers, and the spraying pipes are connected with a water supply pipe. The waste gas treatment device has the characteristics that the structural design is simpler and more reasonable, the equipment use cost can be reduced, and the waste gas treatment reliability can be improved.

The utility model relates to the technical field of waste gas treatment equipment, in particular to a noise-reduction exhausted waste gas treatment device for a laboratory, which comprises a box body, a gas inlet pipe is arranged at the top of the box body, and the gas inlet pipe is communicated with the inside of the box body; a noise reduction cavity, a pretreatment cavity, an adsorption cavity and an exhaust cavity are sequentially formed in the box body from left to right, the noise reduction cavity, the pretreatment cavity, the adsorption cavity and the exhaust cavity are separated through partition plates, and opening structures are arranged on the partition plates; multiple sets of noise reduction plates are arranged in the noise reduction cavity, the multiple sets of inclined noise reduction plates are arranged in the noise reduction cavity, the adjacent noise reduction plates form a Z-shaped waste gas channel, in combination with sound absorption holes in the surfaces of the noise reduction plates and noise reduction cotton on the side walls, waste gas is reflected many times in the channel, noise is effectively absorbed, and compared with a traditional noise reduction structure, the design is simplified; the noise reduction effect is greatly improved while the cost is reduced, and the interference of waste gas emission noise on a laboratory and the surrounding environment is reduced.

The utility model discloses a kind of waste gas treatment devices for plastic product production, including first processing box, for realizing to waste gas preliminary spray purification treatment spray mechanism, and spray mechanism is arranged inside the first processing box, second processing box, install at the top of first processing box, for realizing to waste gas adsorption purification treatment adsorption mechanism, and adsorption mechanism is arranged inside the second processing box, the utility model is set by spray mechanism and adsorption mechanism, the spray mechanism in first processing box can waste gas preliminary spray purification treatment, can effectively remove particulate matter, water-soluble harmful component etc. in waste gas, reduce the concentration of pollutant in waste gas, reduce burden for subsequent adsorption treatment, cooperate with the adsorption mechanism in second processing box then waste gas after spray treatment can be further adsorbed and purified, remove volatile organic compounds, odor gas and other hardly soluble harmful components in water, both synergic cooperation, can ensure that waste gas is discharged up to standard.

The present invention provides a small-scale household garbage clean heat treatment system and a dynamic heat recovery method thereof, wherein the second-fuel flue gas discharged from the second-fuel reactor chamber is used to heat the first-fuel mixed combustion air entering the first-fuel reactor and the second-fuel mixed combustion air entering the second-fuel reactor through a heat regenerator, and the process parameters such as the temperature and flow rate of the first-fuel mixed combustion air and the second-fuel mixed combustion air are dynamically adjusted to optimize the reaction process in the first-fuel reactor and the second-fuel reactor. The small-scale household garbage clean heat treatment system and the dynamic heat recovery method thereof described in the present invention improve the adaptability range of the treatment system to the calorific value of garbage, optimize the reaction process of garbage in the first-fuel reactor and improve the quality of the first-fuel flue gas, and also optimize the reaction process of the first-fuel flue gas in the second-fuel reactor and improve the combustion efficiency and stability, reduce the comprehensive emission level of pollutants in the garbage heat treatment process and save flue gas costs, shorten the shutdown time, and better achieve the unity of economy and environmental protection.

The invention relates to an ammonia desulfurization device and method for high-sulfur flue gas, and relates to the field of flue gas desulfurization, the ammonia desulfurization device comprises a flue gas cooling and humidifying section, a first desulfurization device and a second desulfurization device which are connected in sequence; the first desulfurization equipment is provided with an absorption liquid tank; the second desulfurization equipment is provided with an oxidation liquid tank and a washing liquid tank; the first desulfurization equipment comprises a first concentration section, a first spraying section, a first gas rising cap section, a first absorption section, a first at least three-stage spraying section and a first demisting section which are sequentially arranged from bottom to top; the second desulfurization equipment comprises a second absorption section, a second at least three-stage spraying section, a second gas rising cap section, a third absorption section, a second spraying section, a second demisting section, a third gas rising cap section, a fourth absorption section, a filler section, a third spraying section and a third demisting section which are arranged in sequence from bottom to top. According to the device provided by the invention, the temperature of the flue gas entering the tower is reduced and the humidity is controlled by virtue of the cooling and humidifying section, and the flue gas desulfurization effect is improved by adopting multi-stage desulfurization equipment.

The invention relates to a preparation system applied to a triethyl phosphate material, which comprises a reaction mechanism, and the reaction mechanism comprises a plurality of adsorption parts arranged in a spray tower and used for absorbing waste gas; the transfer mechanism is arranged in the spray tower and is used for being matched with the adsorption part to promote the waste gas absorption efficiency; the auxiliary mechanism is arranged in the spray tower and is used for primarily absorbing the waste gas; by arranging the reaction mechanism and the transfer mechanism, the technical problems that residues adsorbed on the surface of filler are increased and the absorption efficiency of the spray tower to volatile gas is gradually reduced under a long-time working state, so that waste gas emission does not reach the standard during triethyl phosphate production are solved.

The utility model discloses an energy-saving ton cylinder tunnel kiln structure for waste gas purification treatment, and particularly relates to the technical field of ceramic firing equipment, which comprises an air inlet pipe and a fuel pipe, a sealing disc, a sealing ring and a rotating roller with an oxygen content sensor at one end, an external handle and an angle scale are arranged in the air inlet pipe, and an operator rotates the handle according to oxygen content feedback. A fuel pipe of the fuel assembly communicates with an air inlet pipe through a communicating window, a baffle disc in the pipe is provided with a feeding window, a bottom driving piece is connected with a spiral plate, the spiral plate and an assembly ring form a spiral channel, and a stirring plate is matched, so that fuel is fully premixed with air before entering a combustion chamber; the premixed combustible mixed gas is fully combusted, flame and temperature are controllable, a stable high-temperature area can be accurately formed in the kiln, heat is concentrated to heat ton cylinders, heat loss is avoided, unit energy consumption is reduced, nitrogen oxide generation is reduced through premixed combustion, waste gas purification burden is relieved, and it is guaranteed that waste gas reaches the standard to be discharged.

The invention discloses a municipal sludge deodorization and collection device, and relates to the technical field of municipal sludge purification treatment equipment, and the technical scheme is as follows: the municipal sludge deodorization and collection device comprises a sludge-water separation mechanism, a drying and collection mechanism with a feeding end connected with a discharging end of the sludge-water separation mechanism, and an odor treatment mechanism communicated with the sludge-water separation mechanism and an exhaust end of the drying and collection mechanism. The sludge treatment device has the beneficial effects that after filter residues are filtered out, sludge subjected to sludge-water separation flows to the inner rotating barrel and is rotationally thrown out to the sludge attachment plate of the outer rotating barrel, the outer rotating barrel rotates after heating and drying, and the sludge is thrown down from the sludge attachment plate under the action of centrifugal force, so that the sludge is more conveniently collected, and the sludge treatment efficiency is improved. According to the device, harmful gas emitted during preliminary filtration and harmful gas emitted during sludge drying are pumped into the high-energy ion treatment device to be treated; the steps of filtering, drying and odor treatment are closely linked, so that the treatment process is simplified, convenience and rapidness are achieved, up-to-standard discharge of sludge is guaranteed, and environmental protection and safety are achieved.

The utility model relates to the technical field of waste gas treatment, concretely to high -efficient automatic acid -removing water washing system. System includes primary water washing tower, secondary water washing tower, spray pump and pipeline etc., and the top of primary water washing tower is connected with secondary water washing tower through the pipeline, and the primary water washing tower is connected with acid -containing tail gas inlet pipeline, and the bottom of primary water washing tower is connected with primary water washing tower spray pump through the pipeline, and primary water washing tower spray pump is connected with the top of primary water washing tower through the pipeline. The primary water washing tower is equipped with primary water washing tower liquid level detector and primary water washing tower concentration analysis instrument, and the primary water washing tower liquid level detector is connected with PLC control system, and the secondary water washing tower is equipped with secondary water washing tower liquid level detector and secondary water washing tower concentration analysis instrument, and the liquid level detector is connected with PLC control system. The system linkage through PLC control system and each liquid level detector, concentration analysis instrument, cut -off valve and pump body has realized the automatic control of hydrogen fluoride acid -containing tail gas treatment whole process.

The utility model discloses a dichloroethane adsorption recovery device, which relates to the technical field of waste gas adsorption devices and comprises an adsorption kettle, a resin layer is filled in the adsorption kettle, the top of the adsorption kettle is respectively connected with a nitrogen inlet pipe, a steam inlet pipe and a waste gas outlet pipe, and the bottom of the adsorption kettle is respectively connected with a waste gas inlet pipe, a steam outlet pipe and a nitrogen outlet pipe. The waste gas outlet pipe is connected with a fan, the tail end of the waste gas outlet pipe is connected with an exhaust funnel, the tail end of the steam outlet pipe is connected with a condenser, the condenser is connected with a separator through a pipeline, the separator is connected with a recovery pipe and a sewage pipe, and a secondary adsorption pipe is connected between the condenser and the waste gas inlet pipe. According to the device, the dichloroethane is recycled, the content of the dichloroethane in the waste gas is reduced, and the standard emission of the tail gas is kept.

The present invention provides a thermal plasma torch solid waste incineration power generation system, comprising: a thermal plasma torch incinerator, a flue gas incineration chamber, a folding plate dust collector, a flue gas waste heat utilization unit and a flue gas post-treatment unit connected in sequence; the thermal plasma torch incinerator is composed of a plurality of furnace bodies in cascade, and the adjacent furnace bodies are internally connected; a plurality of thermal plasma torches are arranged in the furnace body, and a stirring assembly is arranged at the bottom of the furnace body; a plurality of flue thermal plasma torches are arranged in the flue gas incineration chamber to incinerate and remove tar and organic matter in the flue gas; the incinerator thermal plasma torch and the flue thermal plasma torch are both high-frequency and high-voltage AC thermal plasma torches. The thermal plasma torch solid waste incineration power generation application system of the present invention not only realizes the incineration treatment of solid waste without adding auxiliary fossil fuels, saves costs, operates stably, and achieves environmentally friendly emission standards, but also can realize the power generation utilization of waste heat resources.