28 results about "Wet scrubber" patented technology

The invention discloses a treatment system and method for waste incineration fly ash washing liquid cooperating with flue gas purification, and the system comprises a semi-dry desulfurization tower, a dust remover, an ash silo, a washing tank, a buffer tank, a water supply preheater and a wet washing tower which are connected with a main flue of an incineration plant, the method comprises the following steps: transferring waste incineration fly ash collected in the system into the water washing tank, and adding water for washing to obtain water washing liquid and desalted fly ash; the method comprises the following steps: spraying fly ash water washing liquid by using a wet washing tower, recovering tail flue gas waste heat, deeply removing residual acid gas in flue gas, concentrating and reducing the water washing liquid, and controlling the spraying amount to adjust the concentration ratio so as to realize the separation and solid-liquid separation of chlorine salt; introducing the concentrated water washing liquid into a semi-dry desulfurization tower, atomizing the water washing liquid into fine liquid drops by using a rotary atomizer, contacting the fine liquid drops with hot flue gas, evaporating the fine liquid drops to dryness, and absorbing acid gas in the flue gas at the same time, thereby realizing zero emission of the water washing liquid and cooperating with flue gas purification. According to the invention, the problem of high energy consumption of fly ash washing liquid treatment is solved, and the resource utilization rate of the washing liquid is improved.

Device (1), preferably in the form of a wet scrubber, for cleaning a gas stream of gaseous, liquid and solid impurities, which has a gas inlet (3), at least one first washing section (6) for cleaning the gas stream with a washing liquid, a gas outlet (5) and gas supply lines (24), characterized in that the device (1) further has several gas inlets (3) for different gas streams, wherein the supply lines (24) connected to the gas inlets (3) have a continuous gradient towards the device (1) and preferably a liquid trap (14) upstream of the gas inlets (3), and the device (1) has a pre-wash chamber (16) with at least one spray nozzle (10) and, between a first washing section (6) and a second washing section (7) in the connecting line or after the washing section (6), at least one packing (9) with a specific surface area of ​​at least 400 m² / m³, preferably in the form of a textile packing.and has a spray nozzle (10) above the packing (9), whereby the washing liquid for the packing (9) and the gas flowing through the packing (9) flow in the same direction, and wherein the gas flow is directed from the upper end of the first washing section (6) via the preferably textile packing (9) downwards in the connecting line to the lower end of the second washing section (7) or to the gas outlet (5).

The application discloses a kind of waste incineration fly ash water washing liquid collaborative flue gas purification processing system and method, the system includes with incineration plant main flue connection's semi-dry desulfurization tower, dust collector, ash storehouse, water washing tank, buffer tank, water preheater, wet scrubber, method is the garbage incineration fly ash collected in system is transported to water washing tank and is washed with dosing water, obtains water washing liquid and desalted fly ash;Utilize wet scrubber to spray fly ash water washing liquid, recycle tail flue gas waste heat and deeply remove remaining acid gas in flue gas, concentrate water washing liquid to reduce amount, control spray amount to adjust concentration ratio to realize the precipitation and solid-liquid separation of chlorides;The water washing liquid after concentration is introduced into semi-dry desulfurization tower, and the water washing liquid is atomized into fine droplets by rotary atomizer, and is contacted with hot flue gas to be steamed dry while absorbing acid gas in flue gas, realize water washing liquid zero discharge and collaborative flue gas purification.The application solves the high energy consumption problem of fly ash water washing liquid processing, and improves the resource utilization rate of water washing liquid.

The present invention provides a wet scrubber for gas abatement, comprising a scrubbing vessel defining a chamber, a gas inlet for supplying a gas to be scrubbed, and a gas outlet for allowing the egress of a scrubbed gas; the inlet and outlet being in fluid communication with one another; one or more scrubbing fluid supply ports; the wet scrubber comprising at least one distribution element connected to a scrubbing fluid supply port for distributing a scrubbing fluid inside the chamber; wherein at least one said distribution element is a distribution plate comprising a cavity and a plurality of apertures arranged to allow scrubbing fluid to flow from the cavity

The utility model relates to the technical field of flue gas treatment equipment, in particular to a wet tower dehumidification liquid energy-saving and consumption-reducing system, which consists of four groups of purification structures, each group of purification structure comprises a wet washing tower, a dehumidification liquid discharge end of the wet washing tower is communicated with a dehumidification water tank through a dehumidification liquid discharge pipeline, and the dehumidification liquid discharge pipeline is communicated with a dehumidification water tank. The liquid discharging end of the dehumidification water tank communicates with a dehumidification liquid circulating pump through a pipeline, the liquid conveying end of the dehumidification liquid circulating pump communicates with a dehumidification liquid main pipe through a dehumidification liquid conveying pipeline, and the dehumidification liquid main pipe communicates with the dehumidification liquid conveying pipelines of the other three purification structures. When the dehumidification liquid circulation system is in operation, the dehumidification liquid of the four sets of purification devices can be used in a backflow mode only through one set of dehumidification liquid circulation pumps, and therefore the other three sets of dehumidification liquid circulation pumps do not need to be operated. Therefore, the number of the dehumidifying liquid circulating pumps can be reduced, and the purposes of energy conservation and emission reduction can be achieved.

The present invention relates to the field of waste gas treatment technology, and specifically to a wet scrubbing tower, comprising a tower body; at least one support platform provided in the tower body for carrying a filler, the bottom end of the support platform being hollowed out to allow waste gas to penetrate the support platform and contact the filler; and a first spray system provided in the tower body. The present invention adds a second spray system to the original first spray system, so that the first nozzle of the first spray system sprays an absorption liquid onto the filler from a first direction, thereby spraying from the outside to the inside, while the second nozzle of the second spray system sprays the absorption liquid from the inside of the filler outwardly along a second direction onto the filler layer, thereby spraying from the inside to the outside, thereby allowing two absorption liquids with different flows to meet in the filler layer, effectively improving the wetting efficiency of the filler layer.

The utility model provides a kind of cleaning device and wet scrubber, belong to the technical field of semiconductor manufacturing. Including: installation part, inside is provided with cylindrical containing space, is provided with N spiral grooves on the inner wall of installation part;Scrape head, edge and the inner wall sliding connection of installation part;Rod, first end and the first end surface of scrape head fixed connection;Driving element, with the second end of rod connection;Cleaning element, including connecting portion and N cleaning parts, the first end of connecting portion inserts the second end surface of scrape head and with scrape head rotary connection, the second end of connecting portion is respectively with the first end fixed connection of N cleaning parts, the second end of cleaning part extends into corresponding spiral groove.The utility model's technical scheme can realize the automatic cleaning of scraper, effectively improve cleaning efficiency.

The present invention provides a harmful gas processing apparatus installed in a semiconductor manufacturing apparatus for processing harmful components contained in a gas, the semiconductor manufacturing apparatus comprising: a semiconductor process chamber; a foreline exhaust pipe extending from the semiconductor process chamber; the vacuum pump is used for exhausting the gas of the semiconductor process chamber through the preceding-stage pipeline exhaust pipe; and a pump exhaust pipe through which the gas discharged from the vacuum pump flows, the harmful gas processing apparatus including: a vacuum plasma reactor installed on the foreline exhaust pipe and performing plasma processing on the gas discharged from the semiconductor process chamber by generating a plasma reaction on the gas; the power supply device is used for supplying power to the vacuum plasma reactor; and a wet scrubber which is connected to the pump exhaust pipe and treats all the gas discharged from the vacuum pump in a wet manner.

The utility model discloses a mercury removal device based on a self-excitation oscillation pulse jet flow principle, and relates to the field of self-excitation oscillation pulse jet flow atomization, a cyclone separator is communicated with a wet washing tower, a fan, an adsorption tank, a pump absorption device, a gas buffer device, a sucking pump, a mercury tail filtering device and a waste gas discharging device through a waste gas conveying pipeline. According to the utility model, the self-agitation pulse jet nozzle device is adopted, so that the treatment efficiency of mercury waste gas is improved, and compared with the existing device, the mercury removal efficiency, the mercury removal capability and the energy consumption are improved.

The invention relates to the technical field of tobacco production, and provides a wet dust collector which comprises a dust collection cylinder, a smoke inlet formed in the lower portion of the dust collection cylinder and a spraying component installed in the smoke inlet and used for spraying washing liquid into smoke, a draught fan is installed at the top of the dust collection cylinder, and a smoke exhaust port is formed in the draught fan; a micro-seepage membrane assembly is arranged on the upper side of the interior of the dust removal cylinder and connected with an inner cavity water supply assembly mounted on the upper side of the inner wall of the dust removal cylinder; the micro seepage membrane assembly comprises a cylindrical sleeve arranged on the upper side in the dust removal cylinder and a sealing ring used for connecting the cylindrical sleeve with the inner cavity water supply assembly. When the device is used, by matching variable-pitch spiral agglomeration and micro-seepage film capture, ultrafine smoke dust agglomeration and weight increment are actively promoted, the micro-seepage film provides a stable and reliable final capture surface, and the combination of the variable-pitch spiral agglomeration and the micro-seepage film ensures that the concentration of smoke dust at an outlet is stable and meets the increasingly strict ultralow emission requirement of the tobacco industry.

The present invention provides a caustic soda utilization optimization device for a wet scrubber used for treating waste incineration flue gas, comprising: a wet scrubber for scrubbing incoming incineration flue gas; a caustic soda storage tank for storing a caustic soda solution used to remove acidic substances from the incineration flue gas; a caustic soda delivery mechanism electrically connected to the caustic soda storage tank and the wet scrubber, respectively, for delivering the caustic soda solution from the caustic soda storage tank to the wet scrubber; a cooling mechanism mounted externally to the caustic soda delivery mechanism for cooling the caustic soda solution delivered by the caustic soda delivery mechanism; and a cleaning mechanism electrically connected to the caustic soda delivery mechanism for cleaning the pipeline after the caustic soda delivery mechanism is shut down. The present invention can improve the utilization efficiency of caustic soda in the wet scrubber, reduce pipeline blockage and crystallization, and selectively adjust the cooling efficiency based on the temperature of the acidic gas and the dehumidifying liquid, thereby meeting different requirements and improving flue gas treatment efficiency.

The utility model discloses a waste mineral oil pyrolysis device and relates to the technical field of petroleum, coal gas and coking industries. The waste mineral oil pyrolysis device comprises a pyrolysis reaction kettle, and a protective cover is fixedly mounted on the outer surface of the pyrolysis reaction kettle; the pyrolysis reaction kettle is provided with a gas filtering structure, the gas filtering structure comprises a Venturi wet washer, an exhaust fan, a connecting pipe, a communicating pipe and a filtering box, the exhaust fan is fixedly mounted on the outer surface of the protective cover, and through cooperation of the connecting pipe, the exhaust fan, the Venturi wet washer, the filtering box, the communicating pipe and an activated carbon filtering plate, the gas can be filtered out through the gas filtering structure. The venturi wet scrubber can filter and purify harmful gas, the filtered gas is discharged into the filter box through the communicating pipe, the activated carbon filter plate can adsorb residual peculiar smell in the gas, and the situation that the gas directly and seriously affects the atmosphere quality and the ecological environment is avoided; and the environmental protection property of pyrolysis of the waste mineral oil is further improved.

The invention discloses a flue gas treatment device for production of a supercapacitor electrode material. The flue gas treatment device comprises a cyclone dust collector, a Venturi wet washing tower; a photocatalytic oxidation reactor; an activated carbon adsorption box and an induced draft fan. A Venturi tube section is arranged in the Venturi wet washing tower; a spraying layer; the demisting layer and the circulating liquid tank are used for efficiently removing particulate matters and acid gas; ultraviolet lamp tubes and metal foam nets loaded with nano TiO are alternately arranged in the photocatalytic oxidation reactor to decompose organic pollutants; the activated carbon adsorption box performs deep adsorption. According to the device, a multi-stage combined treatment process is adopted, and dust generated in the electrode material production process is removed; the acid gas and organic waste gas purification efficiency is high, operation is stable and reliable, adaptability is high, and the environment-friendly emission requirement is met.

This application relates to a water-saving and emission-reducing wet scrubber, which includes a frame with an air inlet and an air inlet pipe on the side wall and an exhaust port on the top. Inside the frame are a water tank and a gas-liquid mixing mechanism, which includes a baffle box, a demister, and a liquid level control component. It also includes guide plates, baffle plates, wire mesh, and other structures. The air box has a special design, and the frame has an inspection port, a filter box, and a receiving box. This application employs a three-stage treatment process: "large particle pre-interception → medium and fine particle water mist capture → fine dust demisting and deep purification." It specifically captures dust of different particle sizes, significantly improving the overall dust removal efficiency. It is suitable for various types of dust. The entire process is wet, eliminating the risk of explosion and reducing airflow temperature. The liquid level control component precisely maintains the water level to avoid water waste. There is no risk of secondary dust generation from the captured dust, meeting environmental emission requirements. It also achieves final purification of exhaust gas and water recycling.

The present invention provides a harmful gas treatment apparatus, which is an apparatus installed in a semiconductor manufacturing facility and configured to treat harmful components contained in a gas, wherein the semiconductor manufacturing facility comprises: a semiconductor process chamber; a foreline exhaust pipe extending from the semiconductor process chamber; a vacuum pump for discharging gas from the semiconductor process chamber through the foreline exhaust pipe; and a pump exhaust pipe through which the gas discharged from the vacuum pump flows, and the harmful gas treatment apparatus comprises: a vacuum plasma reactor installed on the foreline exhaust pipe and generating a plasma reaction with respect to the gas discharged from the semiconductor process chamber, to perform plasma treatment on the gas; a power supply device for supplying power to the vacuum plasma reactor; and a wet scrubber connected to the pump exhaust pipe and treating, in a wet manner, the entire gas discharged from the vacuum pump.

The present invention relates to a system (100) and a process for steam / hot water generation by utilizing thermal energy from flue gases generated by waste incineration. The system (100) includes a muffle furnace (105), a waste heat recovery unit (WHRU) (110), a wet scrubber (115 a), an absorber system (115 b), a chimney (120), a venturi (125) and an ash chamber (130). The muffle furnace (105) includes an incinerator chamber for pharmaceutical waste combustion (105 a), biomass briquette combustion chamber (105 b) and a four-pass holding chamber (105 c) having four passes (105 cl), (105 c2), (105 c3) and (105 c4). The system enables saving fuel and utilizes high calorific pharmaceutical waste.

The utility model relates to the technical field of waste gas treatment, and discloses a plastic extruder waste gas treatment system which comprises a processing table, supporting plates are fixedly connected to the left side, close to the edge, of the top end of the processing table, wet scrubbers are fixedly connected to the left sides of the top ends of the supporting plates, and the left sides of the wet scrubbers are communicated with second L-shaped pipes; the right sides of the second L-shaped pipes communicate with first L-shaped pipes correspondingly, the bottom ends of the first L-shaped pipes communicate with a filter cotton tank, the right side of the filter cotton tank communicates with a second long pipe, and the right end of the second long pipe communicates with an electrostatic oil removal tank. According to the waste gas treatment device, the second L-shaped pipe, the wet washer, the first L-shaped pipe, the filter cotton tank, the Z-shaped pipe, the centrifugal oil removal tank, the third L-shaped pipe, the electric dust remover and the oil mist purifier are matched with one another, so that waste gas is treated through multiple devices, the harm of the waste gas can be effectively reduced, and meanwhile certain harm to operators is avoided.

A waste incineration facility (1) is provided with: an exhaust gas flow path (4) through which exhaust gas discharged from an incinerator (3) flows; a wet scrubbing tower (43) provided in the exhaust gas flow path (4); a recirculating exhaust gas line (6) which is connected to an extraction position (P1) on the downstream side of the exhaust gas flow path (4) than the wet-type smoke washing tower (43), extracts a part of the exhaust gas flowing through the exhaust gas flow path (4) as recirculating exhaust gas, and supplies the recirculating exhaust gas into the incinerator (3); an oxygen mixing unit (66) that mixes high-concentration oxygen with the recirculation exhaust gas flowing through the recirculation exhaust gas line (6); and a methanation device (51) that generates a methane-containing gas by reacting the exhaust gas, which passes through the extraction position (P1) and flows through the exhaust gas flow path (4), with hydrogen gas. The recirculated exhaust gas supplied into the incinerator (3) is the main gas of the combustion gas used for incinerating waste in the incinerator (3).

A wet scrubber can be used to capture dust particulates from a bulk powder conveyed into a mixing system. The mixing system can be used to form a treatment fluid for use in an oil and gas operation, such as a cement slurry. The wet scrubber includes a first section having two sets of baffles that create a first and second stage. Air and the dust particulates flow into and through the baffles of the first stage and turbulently mixed with water in the wet scrubber to capture the dust particulates. The air and any remaining dust particulates then flow into and through the baffles of the second stage and turbulently mixed with the water. One or two additional sections, each having baffles, can be included to accommodate varying air flows into the scrubber. The baffles in the various sections can be lower in the water than other sections.

The invention relates to the technical field of wastewater recycling, in particular to a wastewater recycling device for a vortex wet dust collector, which comprises a water circulation treater and a filter box fixed at the top of the water circulation treater, a filter part and a filter assembly are arranged in the filter box, the filter part is composed of a group of flexible filter plates, and the flexible filter plates are arranged in the filter box. A spring group is fixed at the bottom of the flexible filter plate, the spring group is fixed in the filter box, and the flexible filter plate which is obliquely arranged is convenient for centrally collecting filtered impurities at the center of the bottom of the flexible filter plate; the vibrating flexible filter plate and the salient points of the long rod are adopted for extruding and dewatering, so that the flexible filter plate continuously vibrates up and down, impurities are accelerated to slide to the deslagging surface along the inclined surface, the impurity attachment probability is reduced, the long rod actively jacks up to form local salient points when the flexible filter plate deforms, and lateral mechanical extrusion is applied to the accumulated impurities, so that the impurity removal efficiency is improved. And wastewater wrapped in gaps of solid particles is separated out, so that the residence time of impurities on the filter screen is shortened, and the filtering capacity is improved.

This document describes an apparatus for treating waste that includes an ionizer, a furnace chamber, a heat exchanger, a pollution control system, and a chimney. The ionizer converts atmospheric air into ionized gas, and the furnace chamber thermally decays the waste by combining the waste with the products of the interaction of the ionized gas and the heat generated by the furnace chamber. The heat exchanger cools the excess gas. A wet scrubber system removes heavy metals and / or acid gases from the cooled excess gas to produce scrubbed excess gas, and a fixed bed coke system detoxifies the scrubbed excess gas by converting carbon monoxide, water, and steam in the scrubbed excess gas into carbon dioxide and hydrogen, and removing remaining acid gases, remaining heavy metals, and / or remaining dioxins from the scrubbed excess gas. The chimney transfers the remaining scrubbed excess gas out of the apparatus.

A circulating fluidized bed fly ash heating furnace coupled with a fly ash melting device and method belongs to the field of harmless and resource-based treatment of fly ash from waste incineration. The flue gas outlet of the circulating fluidized bed combustion chamber is connected to a high-efficiency cyclone separator 1, the discharge port of which is connected to a return valve. The outlet on one side of the return valve is connected to the combustion chamber, while the outlet on the other side of the return valve is connected to a high-temperature melting furnace. The flue gas outlet of the high-efficiency cyclone separator 1 is connected to the second combustion chamber and the first waste heat boiler. The flue gas outlet of the high-temperature melting furnace is connected to the second waste heat boiler, which is connected to the second waste heat boiler. The flue gas outlet of the first waste heat boiler and the second waste heat boiler is connected to the second high-efficiency cyclone separator. The flue gas outlets of the first waste heat boiler and the second high-efficiency cyclone separator are connected to a quenching tower. The quenching tower flue gas outlet is connected to a bag filter, the flue gas cooling side of a flue gas-flue gas heater, a wet scrubber, the flue gas heating side of a flue gas-flue gas heater, a steam-flue gas heater, an SCR denitrification device, and the flue gas inlet of an economizer. The present invention is used for high-temperature melting of fly ash.

A large two stroke uniflow-scavenged turbocharged internal combustion engine having an ammonia mode and a heavy oil mode is disclosed.SOLUTION: The cylinder has a cylinder liner 1, a reciprocating piston 10, and a cylinder cover 22, and forms a combustion chamber. The ammonia fuel system 30 supplies pressurized ammonia to the ammonia fuel valve 50, and the heavy oil fuel system 31 supplies pressurized heavy oil to the heavy oil fuel valve 51. The turbocharging system has a compressor 7 and a turbine 6. A wet scrubber 40 on the downstream side of a turbine functions as an ammonia scrubber using a first cleaning liquid in an ammonia mode, and functions as a sulfur oxide scrubber using a second cleaning liquid in a heavy oil mode, so that the scrubber can be applied to a large-sized internal combustion engine switching two kinds of fuels, and reliability and robustness can be improved for SCR or the like.SELECTED DRAWING: Figure 3

The invention relates to the technical field of waste gas treatment, in particular to a wet washing tower which comprises a tower body. The at least one supporting table is arranged in the tower body and is used for bearing the filler; the bottom end of the supporting table is hollowed out, so that waste gas penetrates through the supporting table and is in contact with the filler; and the first spraying system is arranged in the tower body. On the basis of the original first spraying system, the second spraying system is additionally arranged, so that the first spraying head of the first spraying system sprays the absorption liquid to the filler from the first direction to realize spraying from outside to inside, and the second spraying head of the second spraying system can outwards spray the absorption liquid to the filler layer from the interior of the filler in the second direction to realize spraying from outside to inside. Spraying from inside to outside is achieved, so that two strands of absorption liquid in different flowing directions meet in the filler layer, and the wetting efficiency of the filler layer is effectively improved.

To provide a waste treatment device and waste treatment system capable of processing liquid waste. [Solution] The waste treatment system 10 comprises a waste treatment device 20 having a treatment chamber S1 for heating and decomposing waste, and a wet scrubber 40 for purifying exhaust gas discharged from the waste treatment device, the waste treatment device 20 having a solid waste input section 24 into which solid waste is introduced, and a detachable liquid waste input section 26 into which liquid waste is introduced.

Provided is a treatment method with which a fluorine-containing organic compound having a low molecular weight can be continuously and efficiently removed over a long period of time from a gas containing the fluorine-containing organic compound. In this method for treating a gas containing a fluorine-containing organic compound, a gas containing a fluorine-containing organic compound having a molecular weight of 1000 or less is introduced into a wet scrubber, and thereafter is introduced into a hydrophobic filter.

The present disclosure provides a large two-stroke, uniflow scavenged turbocharged internal combustion engine in ammonia mode and fuel mode. The engine comprises at least one cylinder forming a combustion chamber, said at least one cylinder having a cylinder liner (1), a reciprocating piston (10) and a cylinder head (22). The ammonia fuel system (30) supplies pressurized ammonia to an ammonia fuel valve (50) in the cylinder head (22) during an ammonia mode, and the fuel fuel system (31) supplies pressurized fuel to a fuel fuel valve (51) in the cylinder head (22) during a fuel mode. The turbocharging system comprises at least one compressor (7) and a turbine (6). A wet scrubber (40) located downstream of the turbine (6) scrubs the exhaust gas with a scrubber fluid. In ammonia mode, the wet scrubber (40) uses a first scrubber fluid as an ammonia scrubber. In the fuel mode, the wet scrubber (40) uses a second scrubber fluid as a sulfur oxide scrubber.

A device for processing waste is described herein that comprises an ion generator, a furnace chamber, a heat exchanger, a pollution control system, and a chimney. The ion generator converts atmospheric air into an ionized gas and the furnace chamber thermally decays the waste by combining the waste with a product of an interaction of the ionized gas and heat generated by the furnace chamber. The heat exchanger cools the excess gas. A wet scrubber system removes heavy metals and / or acid gases from the cooled excess gas to generate scrubbed excess gas, and a fixed bed coke system detoxifies the scrubbed excess gas by converting carbon monoxide, water, and steam in the scrubbed excess gas to carbon dioxide and hydrogen, and removing remaining acid gas, a remaining heavy metal, and / or a remaining dioxin from the scrubbed excess gas. The chimney transfers remaining scrubbed excess gas out of the device.