CN112516769A - High-efficient plasma discharge desulfurization equipment - Google Patents

High-efficient plasma discharge desulfurization equipment Download PDF

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CN112516769A
CN112516769A CN202011284535.8A CN202011284535A CN112516769A CN 112516769 A CN112516769 A CN 112516769A CN 202011284535 A CN202011284535 A CN 202011284535A CN 112516769 A CN112516769 A CN 112516769A
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tank body
box
discharge
wall
tank
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张优
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
    • B01D53/323—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/41—Ionising-electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/45—Collecting-electrodes
    • B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/66—Applications of electricity supply techniques
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses high-efficiency plasma discharge desulfurization equipment which comprises symmetrical tank bodies, wherein the two tank bodies are fixedly connected through two symmetrical connecting pipes, a smoke inlet pipe is fixedly penetrated and welded at the bottom of one end of the tank body positioned below the tank bodies, an electronic emitter is fixedly connected on the inner wall of the tank body positioned right above the smoke inlet pipe, positive electric plates are embedded at two ends of the tank body, a plurality of heat exchange pipes penetrate through the flow guide plate, the tank body positioned below the tank body is fixedly welded with a tank body through a folded pipe, ammonia water and a reaction product ammonium sulfite are arranged at the bottom of the tank body, an atomizing spray head is fixedly welded on the inner wall of the top of the tank body, and a circulating part for recycling a desulfurization product is fixedly welded on the top of the tank body positioned below the tank body. Has the advantages that: this equipment can lower the temperature to the flue gas and remove sulphur back intensification emission again, and plasma removes sulphur and makes the ammonium fertilizer, improves the absorption effect to sulfur dioxide, removes dust to the flue gas simultaneously, and the ammonium fertilizer is made to the resultant.

Description

High-efficient plasma discharge desulfurization equipment
Technical Field
The invention relates to the technical field of desulfurization equipment, in particular to high-efficiency plasma discharge desulfurization equipment.
Background
China is a big coal-fired country, and the coal-fired accounts for 75 percent of the primary energy composition. Coal produces a large amount of dust during combustion, which is a great threat to both the ecological environment and the human body. Coal also contains a number of pollutants in the flue gas produced by the combustion process, among which sulfur dioxide (SO2) and nitrogen oxides (NOx) are the major ones. SO2, NOx and acid rain, sulfate aerosol, photochemical smog and the like formed by the SO2 and the NOx can seriously threaten human health, harm plant growth, corrode metal and destroy the ecological environment.
The plasma contains a large amount of high-energy electrons, ions and excited-state ions, the active particles collide with oxygen and water molecules to generate a large amount of free radicals such as OH, HO2 and O, the free radicals oxidize sulfur dioxide and nitrogen oxides into high-valence states, corresponding ammonium sulfate and ammonium nitrate can be generated through reaction design in the desulfurization process, and the positive salts can be prepared into corresponding ammonium fertilizers. Therefore, it is necessary to design a device with three functions of desulfurization, dust removal and ammonium fertilizer production for treating coal-fired flue gas, so as to reduce equipment investment and obtain relatively pure flue gas.
Therefore, a high-efficiency plasma discharge desulfurization device is provided.
Disclosure of Invention
The invention aims to solve the problems that the desulfurization operation effect is single and the desulfurization products are not effectively utilized in the prior art, and provides high-efficiency plasma discharge desulfurization equipment.
In order to achieve the purpose, the invention adopts the following technical scheme: a high-efficiency plasma discharge desulfurization device comprises tank bodies with symmetrical upper and lower positions, wherein the two tank bodies are fixedly connected through two symmetrical connecting pipes, a smoke inlet pipe is fixedly penetrated through the bottom of one end of the tank body below the tank bodies, an electron emitter is fixedly connected on the inner wall of the tank body right above the smoke inlet pipe, positive electric plates are embedded on the inner walls of the two ends of the tank body, guide assembly plates are symmetrically and uniformly distributed on the inner wall of the tank body, a plurality of heat exchange pipes are penetrated in the guide assembly plates, the two ends of the plurality of heat exchange pipes are respectively and fixedly communicated with corresponding gas collecting hoods, the two gas collecting hoods with symmetrical upper and lower positions are respectively and fixedly communicated with a corresponding connecting pipe, the tank body below the tank body is fixedly welded with a tank body through a folding pipe, ammonia water and a reaction product ammonium sulfite are arranged at the bottom of the tank body, and an atomization spray nozzle, the utility model discloses a desulfurization device, including box, tank body, tank inner wall, tank body top welded fastening have a desulfurization product to carry out the recycle part that utilizes once more, the lateral wall of box lower part runs through welded fastening and has the drain pipe, the drain pipe passes through the fixed intercommunication of circulating pump and atomizer, box inner wall welded fastening has a plurality of filter screen frames, is located the below tank body top welded fastening has the recycle part that carries out reuse.
In foretell high-efficient plasma desulfurization equipment that discharges, the circulation part includes discharge chamber and the stoving case of welded fastening at jar body top, the incasement that discharges is equipped with the plasma discharger, the diapire of stoving case is inlayed and is equipped with electrical coil, stoving case, discharge chamber and box diapire run through the intercommunication in proper order and have the pipe.
In the above high-efficiency plasma discharge desulfurization device, the plasma discharger comprises a metal plate, a plurality of metal rods are vertically arranged on the metal plate, a plurality of groups of discharge needles are annularly arranged on the metal rods, and the metal plate is connected with a high-voltage pulse power supply through a wire.
In the high-efficiency plasma discharge desulfurization equipment, the top of the tank body positioned above is fixedly provided with a smoke exhaust pipe in a penetrating and welding manner, the pipe walls of the two connecting pipes are fixedly provided with temperature adjusting covers, and heating resistance wires and refrigerant are respectively arranged in the two temperature adjusting covers.
Compared with the prior art, the invention has the advantages that:
1. through setting up electron emitter, positive electroplax and advancing tobacco pipe isotructure, follow a large amount of flue gases that enter in into in advancing the tobacco pipe under electron emitter's effect for the dust in the flue gas takes on the negative charge, and thus the dust of taking on the negative charge is adsorbed by the positive electroplax that jar body both ends diapire inlayed and establish, removes dust to the dust in the flue gas.
2. Through setting up the circulating pump, atomizer, heat exchange tube and a plurality of jar body isotructure, the flue gas often has a large amount of heats, under the effect of the internal guide plate of jar in lieing in the below, cold gas in with the heat exchange tube that corresponds carries out the heat transfer, make the flue gas obtain the cooling, the flue gas after the cooling enters into in the box through rolling over the pipe, the circulating pump drags atomizer department with the aqueous ammonia of bottom half and sprays, make sulfur dioxide and aqueous ammonia react, generate liquid ammonium sulfite, because liquid ammonium sulfite density is bigger than the aqueous ammonia, both produce obvious layering phenomenon at the bottom half, the ammonium sulfite that lies in the lower floor flows to the discharge chamber, and lie in the upper ammonia and continue to be pumped atomizer department by the circulating pump and spray, carry out the reciprocal use that circulates to the aqueous ammonia.
3. By arranging the structures of the discharge box, the drying box, the plasma discharger, the electrified coil and the like, after the flue gas enters the discharge box from the box body, the plasma discharger in the discharge box discharges under the action of a high-voltage pulse power supply to generate a large amount of high-energy electrons and ions, the high-energy electrons and ions collide with oxygen and water molecules to generate a large amount of free radicals of OH, HO2, O and the like, NOx and SO2 escaping from the flue gas are oxidized into high-valence sulfur oxides and nitrogen oxides, simultaneously, the ammonium sulfite is oxidized into high valence state liquid ammonium sulfate which flows into the drying box, at the moment, the sub-salt is oxidized into normal salt, meanwhile, the absorption of sulfur dioxide is strengthened, liquid ammonium sulfate is in the drying box, an electrifying coil embedded at the bottom of the drying box is electrified outside, because the vortex effect for stoving bottom wall temperature rises fast, accelerates the stoving speed to ammonium sulfate, makes ammonium sulfate production liquid dehydration dry and becomes the ammonium fertilizer that is fit for agricultural.
Drawings
FIG. 1 is a schematic structural diagram of a high-efficiency plasma discharge desulfurization apparatus according to the present invention;
FIG. 2 is a schematic diagram of the principle of sulfur dioxide absorption by ammonia process of the high-efficiency plasma discharge desulfurization equipment provided by the invention.
In the figure: 1 tank body, 2 smoke inlet pipes, 3 heat exchange pipes, 4 flow guide group plates, 5 electron emitters, 6 positive electrode plates, 7 gas collecting hoods, 8 connecting pipes, 9 box bodies, 10 filter screen frames, 11 circulating pumps, 12 ammonia water, 13 ammonium sulfite, 14 discharge boxes, 15 plasma dischargers, 16 drying boxes, 17 electrified coils, 18 atomizing nozzles, 19 smoke exhaust pipes and 20 temperature adjusting hoods.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-2, a high-efficiency plasma discharge desulfurization device comprises a tank body 1 with symmetrical upper and lower positions, two tank bodies 1 are fixedly connected through two symmetrical connecting pipes 8, a smoke inlet pipe 2 is fixedly penetrated through the bottom of one end of the tank body 1 positioned below the tank body 1 in a penetrating and welding manner, an electron emitter 5 is fixedly connected on the inner wall of the tank body 1 positioned right above the smoke inlet pipe 2, positive electric plates 6 are embedded on the inner walls of the two ends of the tank body 1, flow guide group plates 4 are symmetrically and uniformly distributed on the inner wall of the tank body 1, a plurality of heat exchange tubes 3 are penetrated through the flow guide group plates 4, the two ends of the plurality of heat exchange tubes 3 are respectively and fixedly communicated with corresponding gas collecting hoods 7, the two gas collecting hoods 7 with symmetrical upper and lower positions are respectively and fixedly communicated with a corresponding connecting pipe 8, a tank body 9 is fixedly welded on the tank body 1 positioned below the tank body through a folding pipe, ammonia 12, the lateral wall of the lower part of the box body 9 is fixedly provided with a liquid outlet pipe in a penetrating and welding way, the liquid outlet pipe is fixedly communicated with the atomizing spray head 18 through a circulating pump 11, the inner wall of the box body 9 is fixedly provided with a plurality of filter screen frames 10 in a welding way, and the top of the tank body 1 positioned below is fixedly provided with a circulating part for recycling a desulfurization product.
The circulating component comprises a discharge box 14 and a drying box 16 which are welded and fixed on the top of the tank body 1, a plasma discharger 15 is arranged in the discharge box 14, an electrified coil 17 is embedded in the bottom wall of the drying box 16, the discharge box 14 and the bottom wall of the tank body 9 are sequentially communicated with a circular tube in a penetrating mode, the plasma discharger 15 carries out discharge reaction on sulfur dioxide and ammonium sulfite 13 entering the discharge box 14, NOx and SO2 in flue gas are oxidized into high-valence-state sulfur oxide and nitrogen oxide, and meanwhile, the ammonium sulfite 13 is oxidized into ammonium sulfate.
The plasma discharger 15 comprises a metal plate, a plurality of metal rods are vertically arranged on the metal plate, a plurality of groups of discharge needles are annularly arranged on the metal rods, the metal plate is connected with a high-voltage pulse power supply through a conducting wire, the plasma discharger 15 discharges under the action of the high-voltage pulse power supply to generate a large number of high-energy electrons and ions, the high-energy electrons and ions collide with oxygen and water molecules to generate a large number of free radicals such as OH, HO2 and O, NOx and SO2 escaping from flue gas are oxidized into high-valence sulfur oxides and nitrogen oxides, meanwhile, ammonium sulfite 13 is oxidized into high-valence liquid ammonium sulfate and flows into the drying box 16, and meanwhile, sub-salts are oxidized into positive salts to enhance absorption of sulfur dioxide.
The top of the tank body 1 positioned above is fixedly provided with a smoke exhaust pipe 19 in a penetrating and welding mode, the pipe walls of the two connecting pipes 8 are fixedly provided with temperature adjusting covers 20, heating resistance wires and refrigerant agents are arranged in the two temperature adjusting covers respectively, the heating resistance wires and the refrigerant agents in the temperature adjusting covers 20 respectively heat or cool gas in the pipes to a small extent, heat loss of the gas flowing in the pipes is compensated, a large amount of heating or cooling is avoided, and production cost is reduced.
In the invention, a large amount of flue gas entering from the flue gas inlet pipe 2 is under the action of the electron emitter 5, so that dust in the flue gas is negatively charged, and the dust with the negative charge is adsorbed by the positive electric plates 6 embedded on the bottom walls of the two ends of the tank body 1, and the dust in the flue gas is subjected to primary dust removal.
The flue gas often has a large amount of heats, under the effect of the guide plate 4 in the jar body 1 that is located the below, carry out the heat transfer with the cold gas in the heat exchange tube 3 that corresponds, make the flue gas obtain the cooling, the flue gas after the cooling enters into in the box 9 through the broken pipe, circulating pump 11 draws the aqueous ammonia 12 of box 9 bottom to atomizer 18 department and sprays, make sulfur dioxide and aqueous ammonia react, generate liquid ammonium sulfite 13, because liquid ammonium sulfite 13 density is greater than aqueous ammonia 12, both produce obvious layering phenomenon in the box 9 bottom, the ammonium sulfite 13 that is located the lower floor flows in discharge chamber 14, and it continues to be taken out atomizer 18 department by circulating pump 11 and sprays to be located the upper ammonia, carry out the reciprocal use of circulation to the aqueous ammonia.
After the flue gas enters the discharge box 14 from the box 9, the plasma discharger 15 in the discharge box 14 discharges under the action of the high-voltage pulse power supply to generate a large amount of high-energy electrons and ions, the high-energy electrons and ions collide with oxygen and water molecules to generate a large amount of free radicals of OH, HO2, O and the like, NOx and SO2 escaping from the flue gas are oxidized into high-valence sulfur oxides and nitrogen oxides, meanwhile, the ammonium sulfite 13 is oxidized into high-valence liquid ammonium sulfate and flows into the drying box 16, and at the moment, the sub-salt is oxidized into the positive salt, and the absorption of sulfur dioxide is strengthened.
Liquid ammonium sulfate is in stoving case 16, 16 bottom of stoving case inlays the circular telegram coil 17 of establishing and after the external circular telegram, because eddy current effect for 16 diapire temperature of stoving case rise fast, accelerate the stoving speed to the ammonium sulfate, make ammonium sulfate production liquid dehydration dry become suitable agricultural ammonium fertilizer.
The flue gas after plasma discharge flows to the jar body 1 that is located the top from discharge chamber 14 in, the tail gas after the purification is behind the gas heat transfer in the heat exchange tube 3 that is located the jar body 1 of top, discharge after rising the temperature, thereby reduce the discharge of sulphide and nitride once more, make intraductal gas temperature rise through a large amount of thermal flue gas in the heat exchange tube 3 that is located the below, thereby circulate and to have a large amount of thermal heat exchange tube 3 in the top again and make the flue gas after the purification rise the temperature and discharge, heating resistor silk and refrigerant in the cap 20 that adjusts the temperature carry out heating or cooling of small margin to intraductal gas respectively simultaneously, compensate the heat loss of gas circulation in the pipeline, avoid a large amount of heating or cooling, reduce manufacturing cost.
Although the terms of the tank 1, the smoke inlet pipe 2, the heat exchange pipe 3, the flow guide plate 4, the electron emitter 5, the positive electrode plate 6, the gas collecting hood 7, the connecting pipe 8, the box body 9, the filter frame 10, the circulating pump 11, the ammonia water 12, the ammonium sulfite 13, the discharge box 14, the plasma discharger 15, the drying box 16, the electrified coil 17, the atomizer 18, the smoke exhaust pipe 19, the temperature adjusting hood 20, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (4)

1. A high-efficiency plasma discharge desulfurization device comprises tank bodies (1) which are symmetrical in upper and lower positions, and is characterized in that the two tank bodies (1) are fixedly connected through two symmetrical connecting pipes (8), a smoke inlet pipe (2) is fixedly arranged at the bottom of one end of the lower tank body (1) in a penetrating and welding mode, an electronic emitter (5) is fixedly connected to the inner wall of the tank body (1) right above the smoke inlet pipe (2), positive electric plates (6) are embedded in the inner walls of the two ends of the tank body (1), flow guide group plates (4) are symmetrically and uniformly distributed on the inner wall of the tank body (1), a plurality of heat exchange tubes (3) are arranged in the flow guide group plates (4) in a penetrating mode, the two ends of the plurality of heat exchange tubes (3) are respectively and fixedly communicated with corresponding gas collecting hoods (7), and the two gas collecting hoods (7) which are symmetrical in upper and lower positions are both fixedly communicated with the, the below is located tank body (1) has box (9) through rolling over a tub welded fastening, aqueous ammonia (12) and reaction product ammonium sulfite (13) are equipped with to box (9) bottom, box (9) top inner wall welded fastening has atomizer (18), box (9) lower part lateral wall runs through welded fastening has the drain pipe, the drain pipe passes through circulating pump (11) and atomizer (18) fixed intercommunication, box (9) inner wall welded fastening has a plurality of filter screen frames (10), is located the below tank body (1) top welded fastening has the cyclic component who carries out reuse to the desulfurization product.
2. The high-efficiency plasma discharge desulfurization equipment according to claim 1, characterized in that the circulating component comprises a discharge box (14) and a drying box (16) welded and fixed on the top of the tank body (1), a plasma discharger (15) is arranged in the discharge box (14), an electrified coil (17) is embedded in the bottom wall of the drying box (16), and circular tubes are sequentially communicated with the bottom walls of the drying box (16), the discharge box (14) and the box body (9) in a penetrating manner.
3. The high-efficiency plasma discharge desulfurization equipment according to claim 2, characterized in that the plasma discharger (15) comprises a metal plate, a plurality of metal rods are vertically arranged on the metal plate, a plurality of groups of discharge needles are annularly arranged on the metal rods, and the metal plate is connected with a high-voltage pulse power supply through a lead.
4. The high-efficiency plasma discharge desulfurization equipment according to claim 1, characterized in that a smoke discharge pipe (19) is fixedly welded at the top of the tank body (1) above, temperature adjusting covers (20) are fixedly installed on the pipe walls of the two connecting pipes (8), and heating resistance wires and refrigerant are respectively arranged in the two temperature adjusting covers.
CN202011284535.8A 2020-11-17 2020-11-17 High-efficient plasma discharge desulfurization equipment Pending CN112516769A (en)

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Citations (6)

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CN101053747A (en) * 2007-04-30 2007-10-17 武汉凯迪电力环保有限公司 Simultaneously desulfurization and denitration wet ammonia flue gas cleaning technology and system thereof
CN102059050A (en) * 2010-11-30 2011-05-18 浙江大学 Low-temperature plasma smoke compound pollutant control method
CN205909716U (en) * 2016-07-26 2017-01-25 天津市睿智天成科技发展有限公司 High -efficient shell and tube heat exchanger
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