CN109529586A - A kind of off-gas cleaning equipment - Google Patents
A kind of off-gas cleaning equipment Download PDFInfo
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- CN109529586A CN109529586A CN201910023057.6A CN201910023057A CN109529586A CN 109529586 A CN109529586 A CN 109529586A CN 201910023057 A CN201910023057 A CN 201910023057A CN 109529586 A CN109529586 A CN 109529586A
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- gas
- gas cleaning
- cleaning equipment
- pressure stage
- earthing pole
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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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/64—Heavy metals or compounds thereof, e.g. mercury
-
- 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
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
-
- 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
-
- 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
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- 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
Abstract
The present invention provides a kind of off-gas cleaning equipments, including the air inlet, reaction zone and gas outlet set gradually；The reaction zone is provided with high-pressure stage, earthing pole and akaline liquid spray equipment；The high-pressure stage is spaced along the direction vertical with gas flow with earthing pole；The high-pressure stage is connected with earthing pole with plasma power supply.Compared with prior art, off-gas cleaning equipment provided by the invention forms low-temperature plasma field by high-pressure stage and earthing pole, make the exhaust gas lower generation variation of valence of excitation state high activity particle effect inside, chemical reaction macroscopically is formed, by organic matter existing in exhaust gas, NOx、SOx, the pollutants such as heavy metal simple substance innocuously transformation occurs because of the variation of valence state, or it is transformed into easily absorption, the high-valence state state easily shifted, to make exhaust gas be purified, while argon-arc plasma field is spatially overlapped with liquid phase scrubbing field, can be absorbed the pollutant after conversion and be shifted.
Description
Technical field
The invention belongs to environmental protection technical field more particularly to a kind of off-gas cleaning equipments.
Background technique
The desulphurization and denitration of industrial waste gas, dedusting, volatile organic matter, heavy metal purification techniques have professional monomer at present
It is ready for purifying, causes to need mating multiple pollutant cleaning equipment to carry out in the environment containing the above pollutant at the same time
Exhaust-gas treatment, investment is big, and occupied area is more, and management service is complicated, and required professional troop is huge.As long as having in numerous equipment
One ring goes wrong, and other all devices all can be by influence on system operation.The harmony of equipment room, the efficiency of single devices, not
It is ultimate attainment that design can be performed to, there are a large amount of production capacity redundancies, the problems such as high energy consumption.
Summary of the invention
In view of this, the waste gas purification is set the technical problem to be solved in the present invention is that providing a kind of off-gas cleaning equipment
The standby solid granulates and other pernicious gases that can be removed simultaneously in exhaust gas.
The present invention provides a kind of off-gas cleaning equipments, including the air inlet, reaction zone and gas outlet set gradually；It is described
Reaction zone is provided with high-pressure stage, earthing pole and akaline liquid spray equipment；The high-pressure stage and earthing pole hang down along with gas flow
Straight direction is spaced；The high-pressure stage is connected with earthing pole with plasma power supply.
Preferably, the distance between the high-pressure stage and earthing pole are 200~300mm.
Preferably, the high pressure extremely high voltage polar line；The ground connection extremely earthing pole plate.
Preferably, the number of high voltage polar line is 1~3 between two ground connection pole plates.
Preferably, the width of the ground connection pole plate is less than or equal to 600mm.
It preferably, further include gas flow equalization plate；The gas flow equalization plate is arranged between the air inlet and reaction zone.
It preferably, further include akaline liquid preparation system；The akaline liquid preparation system and the akaline liquid spray
Device is connected.
It preferably, further include circulation；The reaction zone is provided with liquid outlet；The liquid outlet and alkalies
Body spray equipment is connected by the circulatory system.
Preferably, the akaline liquid spray equipment is solid cone shaped high pressure nozzle.
Preferably, the air inlet is air horn；The air horn is big close to the side diameter of reaction zone；Institute
Stating gas outlet is outlet horn mouth；The outlet horn mouth is big close to the side diameter of reaction zone.
The present invention provides a kind of off-gas cleaning equipments, including the air inlet, reaction zone and gas outlet set gradually；It is described
Reaction zone is provided with high-pressure stage, earthing pole and akaline liquid spray equipment；The high-pressure stage and earthing pole hang down along with gas flow
Straight direction is spaced；The high-pressure stage is connected with earthing pole with plasma power supply.Compared with prior art, the present invention mentions
The off-gas cleaning equipment of confession forms low-temperature plasma field by high-pressure stage and earthing pole, makes exhaust gas excitation state high activity grain inside
Son effect is lower to occur variation of valence, chemical reaction macroscopically is formed, by organic matter existing in exhaust gas, NOx、SOx, heavy metal
The pollutants such as simple substance are because innocuously transformation occurs for the variation of valence state, or are transformed into easily absorption, the high-valence state state easily shifted, thus
It is purified exhaust gas, while argon-arc plasma field is spatially overlapped with liquid phase scrubbing field, the pollutant after conversion can be absorbed and be turned
It moves；And containing largely with polar charged particle, the solid granulates such as polarity charged particle and inorganic dust in argon-arc plasma field
Object collision combines, and keeps its charged, on the electrode and collects.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of off-gas cleaning equipment provided by the invention；
Fig. 2 is the structural schematic diagram of off-gas cleaning equipment provided by the invention；
Fig. 3 is the structural schematic diagram of off-gas cleaning equipment provided by the invention.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
The present invention provides a kind of off-gas cleaning equipments, including the air inlet, reaction zone and gas outlet set gradually；It is described
Reaction zone is provided with high-pressure stage, earthing pole and akaline liquid spray equipment；The high-pressure stage and earthing pole hang down along with gas flow
Straight direction is spaced；The high-pressure stage is connected with earthing pole with plasma power supply.
Referring to FIG. 1 to FIG. 3, FIG. 1 to FIG. 3 is the structural schematic diagram of off-gas cleaning equipment provided by the invention；Wherein 1 for into
Port, 2 be airflow uniform distribution plate, and 3 be reaction zone, and 4 be uptake zone, and 5 be plasma power supply, and 6 be high-pressure stage, and 7 be earthing pole, and 8 are
Gas outlet, 9 be akaline liquid spray equipment.
Off-gas cleaning equipment provided by the invention includes air inlet, and exhaust gas enters in reaction zone through air inlet, to improve
The uniformity of exhaust gas in the reaction region, the air inlet are preferably air horn；The air horn is close to reaction zone
Side diameter is big.
The air inlet is connected with reaction zone；For into adjustment off-gas flows reaction zone distribution, the air inlet with
Airflow uniform distribution plate is provided between reaction zone.
The reaction zone is provided with high-pressure stage and earthing pole；The high-pressure stage is with earthing pole along the side vertical with gas flow
To spaced；The distance between the high-pressure stage and earthing pole (vertical range) they are preferably 200~300mm, and more preferably 250
~300mm；High pressure high-pressure stage extremely well known to those skilled in the art, has no special limitation, excellent in the present invention
It is selected as high voltage polar line；The ground connection earthing pole extremely well known to those skilled in the art, has no special limitation, the present invention
In preferably earth plate；The both ends of the reaction zone are preferably earthing pole in the present invention, i.e., the described high-pressure stage is located at two and connects
Between earth polar；High-pressure stage number between two earthing poles is theoretically limited without quantity, but by reactor design power and electricity
The influence of source input power, high pressure number of poles should not be excessive, and excessive high-pressure stage will lead to pulse energy dispersion, are insufficient to allow field
Between particle generate sufficiently large transition energy.Low temperature plasma waste gas cleaning equipment in the present invention, the purification upper limit is NOx, i.e.,
The most stable of substance that can be purified is nitrogen oxides, maximum transition energy ≯ 13.6eV.Under there is a requirement that, general two ground connection pole plate
Between high-pressure stage number be no more than 3, i.e., the number of high voltage polar line is preferably 1~3 between every two earthing pole, more preferably 2
~3；Single earthing pole width is that the length along off-gas flows flow direction is preferably more than 600mm；Of the ground connection pole plate
Number preferably 2~6, more preferably 3~6, be further preferably 4~5.
The invention is characterized in that the design of printed line form can obtain strongest argon-arc plasma field in reaction zone, even if space point
The degree of ionization of the particles such as son, atom reaches highest, can make the chemical reactions such as desulphurization and denitration, dedusting, organic matter purification
Efficiency is improved.The polar curve form of high-pressure stage, structure edge and outer surface possess lesser radius of curvature (relatively more sharp),
When the load of additional positive high voltage is on the polar curve, a large amount of energy can be gathered in the smaller range of curvature radius, be supplied in pulse
Under electric form, the strong electric field that transient pulse effect generates, so that bulk gas, drop and molecular solids, atom in space
It is ionized, is changed into excitation state from ground state, to form low-temperature plasma field.Argon-arc plasma field is connect in space by high-pressure stage-
Electric field force effect between earth polar can move rapidly (charge is acted on by electric field force and being moved) to respectively opposite electric polarity one end,
It needs mobile particle to be remained evenly distributed in argon-arc plasma field space as far as possible at this time, enters argon-arc plasma field region to increase
NO in flue gasx、SO2, dust, the bombardment of the particles by the ion for being in excitation state such as volatile organic matter molecule, to send out
Raw oxidation reaction generates the substances such as harmless or collectable acid, salt or gaseous oxygen compound, absorbs or directly convenient for being absorbed region
Discharge.
The high-pressure stage is connected with earthing pole with plasma power supply；The plasma power supply is that those skilled in the art are ripe
The plasma power supply known has no special limitation.There are two types of approach, transient pulse electric field and high pressures for the formation of argon-arc plasma field
Continuous electric field.Transient pulse field refers to that under the effect of transient pulse high pressure, Space Particle ionizes, and ground state electron is sent out in molecule
Raw transition, forms low-temperature plasma；The continuous field of high pressure refers to that in the high voltage electric field of continuous-stable, Space Particle ionizes,
Form low-temperature plasma field.Under conditions of can form single particle highest energy level more than or equal to 13.6eV, two kinds of forming features
It all can be used for off-gas cleaning equipment provided by the invention, therefore heretofore described plasma power supply can be that can form transient pulse
The power supply of electric field can also be the power supply that can form high pressure continuous electric field.
The present invention more preferably uses pulse plasma power supply, more preferably the base laminated adding type pulse power；Described pulse etc.
The apparent energy of ion power supply is preferably 40~80kVA, more preferably 60kVA；The base pressure preferably 30 of the plasma power supply
~60kV, more preferably 40~60kV are further preferably 50kV；The pulse voltage of the plasma power supply is preferably 70~90kV,
More preferably 80kV；Pulse frequency is preferably 800~1500Hz, more preferably 800~1200Hz, is further preferably 1000Hz；It is single
Pulse width is preferably 200~500ns, more preferably 300~400ns.The present invention utilizes transient pulse electric field, between particle field
It is excited, makes the stable particle object for being in ground state in space originally, as air molecule, hydrone are less than 13.6eV with bond energy
Outer-shell electron transition occurs for gaseous state, solid-state and liquid molecule, to form transient state low-temperature plasma field, and passes through argon-arc plasma field sky
Between the base piezoelectric field that preloads, driving is guided to activated state plasma, the uniformly distributed argon-arc plasma field of directionality is formed, thus right
NO during flowing throughx、SO2, dust, the substances such as volatile organic matter molecule carry out purified treatment.
Smoke space is made with the instantaneous high pressure electric field of fixed cycle between high-pressure stage and earthing pole by plasma power supply
Low-temperature plasma field is formed, is contained in argon-arc plasma field largely with polar charged particle, polarity charged particle and nonpolarity dust
Etc. particulate solids collision combine, keep the particulate solids such as dust charged, in the argon-arc plasma field with tropism, electrically charged particle is with electricity
An end motion of the field direction to corresponding opposite polarity, such as: the particle of charge positive charge is to negative high voltage polar motion, the particle of bear charge
To positive high voltage polar motion, finally gathers and collect on the electrode.
Off-gas cleaning equipment reaction zone provided by the invention is also equipped with akaline liquid spray equipment, makes reaction zone equally
For uptake zone, thus realize argon-arc plasma field with liquid phase scrubbing field being overlapped spatially, in the effect to pollutant removing, etc.
Ion field mainly provides the energy of pollutant conversion, and liquid phase scrubbing field mainly provides pollutant conversion interface and pollutant turns
Absorption transfer after change.Pollutant after argon-arc plasma field conversion, organic matter are converted into carbon dioxide and water, realize directly harmless
Change；NO is converted into NO2, SO2It is converted into SO3, Hg is converted into HgO, with argon-arc plasma field jointly existing liquid phase scrubbing field in,
NO2、SO3, HgO liquid phase scrubbing field absorb, with the SO of liquid phase4 2-、NO3-、Hg-Plasmoid is transferred in liquid phase.The alkalinity
Liquid spraying device is akaline liquid spray equipment well known to those skilled in the art, has no special limitation, the present invention
In preferably solid cone shaped high pressure nozzle；The present invention is not particularly limited the number of the akaline liquid spray equipment,
The uniformly distributed of space liquid phase scrubbing field may be implemented, even if akaline liquid can uniformly be sprayed in reaction zone, in this hair
In bright, the akaline liquid spray equipment be can be set at the top of uptake zone, also can be set on the side wall of uptake zone；Institute
The liquid-phase particle degree for stating akaline liquid spray equipment spray is preferably 50~1000 μm, to guarantee each position in reaction zone space
The synchronization of absorption efficiency；The akaline liquid of the akaline liquid spray equipment spray is alkalies well known to those skilled in the art
Body has no special limitation, is preferably alkaline aqueous solution in the present invention, more preferably mass concentration is 5%~32%
Alkaline aqueous solution；The alkaline aqueous solution is preferably sodium hydrate aqueous solution.
According to the present invention, it is also preferable to include akaline liquid preparation systems；The akaline liquid preparation system and akaline liquid
Spray equipment is connected；The akaline liquid preparation system preferably includes the medicine system being connected and water charging system；It is described to add
Medicine system is connected with akaline liquid spray equipment.
Akaline liquid in the akaline liquid spray system can be recycled under conditions of quality rationally controls,
Therefore it is also preferable to include the circulatory systems by the present invention；The reaction zone is provided with liquid outlet；The liquid outlet passes through cyclic system
System is connected with akaline liquid spray equipment；The circulatory system preferably includes cyclic water tank and water circulating pump；The recirculated water
It is preferably provided with sensor in case, by liquid level, pH value, the detection containing sensors such as solid concentration, controls the concentration of akaline liquid
That is the quality of absorbent.
In the present invention, it is preferred to further include discharge casing；The discharge casing, medicine system and water charging system respectively with recirculated water
Case is connected, and alkaline matter concentration is too low in the akaline liquid used in the circulation or akaline liquid quality is due to recycling
Decline, can carry out supplement akaline liquid by medicine system, and exclude the waste liquid of equivalent, to keep system circulation to balance.
Exhaust gas from the air horn of off-gas cleaning equipment enter, by airflow uniform distribution plate adjust air flow method after, with
Relatively uniform flow velocity enters system response area and uptake zone on section.High pressure plasma power supply loads on load by high-pressure stage
On the reaction zone and uptake zone of earthing pole composition, formed containing there are many excited state particle (O2-、H1+Deng) low-temperature plasma
?.When exhaust gas flows through the low-temperature plasma field, the dust, NO in flue gasx、SO2, heavy metal simple substance, the substances such as volatile organic matter
It is cleaned processing or innocuously transformation after a series of complex reacts and shifts, neat stress is discharged from equipment export horn mouth.?
In argon-arc plasma field, argon-arc plasma field is carried out by akaline liquid preparation system supply liquid spraying device to continue spray cleaning, is absorbed
Reaction product.When the akaline liquid inner absorbent concentration of recycling is too low or absorbing liquid quality declines because of recycling, add
Medicine system carries out supplement absorbent, and the equivalent waste liquid being discharged, to keep system circulation to balance.
Off-gas cleaning equipment provided by the invention forms low-temperature plasma field by high-pressure stage and earthing pole, keeps exhaust gas on the scene
Interior excitation state high activity particle effect is lower to occur variation of valence (mainly aoxidizing), chemical reaction macroscopically is formed, by exhaust gas
Interior existing organic matter, NOx、SOx, the pollutants such as heavy metal simple substance occur innocuously transformation because of the variation of valence state, or are transformed into easily
The high-valence state state absorb, easily shifted, to make exhaust gas be purified, while argon-arc plasma field is spatially weighed with liquid phase scrubbing field
It closes, the pollutant after conversion can be absorbed and be shifted；And containing largely with polar charged particle in argon-arc plasma field, polarity is charged
Particle is combined with particulate solids collisions such as inorganic dusts, is kept its charged, on the electrode and is collected.
In order to further illustrate the present invention, with reference to embodiments to a kind of off-gas cleaning equipment progress provided by the invention
Detailed description.
Reagent used in following embodiment is commercially available.
Embodiment 1
Using off-gas cleaning equipment shown in Fig. 3；The width for being wherein grounded pole plate is 600mm, and the number for being grounded pole plate is 4
Part；The number of high voltage polar line is 3 between two ground connection pole plates；High voltage polar line is 250mm at a distance from ground connection pole plate.
Certain industry coal-boiler generates exhausted air quantity 20000m3/ h, 50 DEG C of flue-gas temperature, in equipment importation actual measurement flue gas
NOxConcentration≤100mg/m3, SO2Concentration≤150mg/m3, dust≤30mg/m3；Selection design flue gas flow rate 1.01m/s, pulse
Plasma power supply apparent energy 60kVA, is the base laminated adding type pulse power, and base presses 50kV, pulse voltage 80kV；Pulse frequency
1000Hz, single pulse width 300ns.Akaline liquid in akaline liquid spray equipment is dilute using the mixed process water of 32%NaOH solution
It releases.After the processing of low temperature plasma waste gas cleaning equipment, NO in flue gasxConcentration≤50mg/m3, SO2Concentration≤30mg/m3, dust
≤5mg/m3。
Embodiment 2
Certain industry coal-boiler generates exhausted air quantity 15000m3/ h, surveys cigarette in equipment importation by 40~60 DEG C of flue-gas temperature
SO in gas2Concentration≤300mg/m3, dust≤20mg/m3；Selection design flue gas flow rate 1.1m/s, pulse plasma power supply view exist
Power 60kVA, is the base laminated adding type pulse power, and base presses 50kV, pulse voltage 80kV；Pulse frequency 800Hz, single pulse width
400ns.The width for being wherein grounded pole plate is 600mm, and the number for being grounded pole plate is 5；High voltage polar line between two ground connection pole plates
Number is 2；High voltage polar line is 300mm at a distance from ground connection pole plate.Akaline liquid in akaline liquid spray equipment uses
32%NaOH solution mixes process water dilution.After the processing of low temperature plasma waste gas cleaning equipment, SO in flue gas2Concentration≤30mg/m3
(specially 17.5mg/m3), dust≤5mg/m3(specially 2.23mg/m3)。
Claims (10)
1. a kind of off-gas cleaning equipment, which is characterized in that including the air inlet, reaction zone and gas outlet set gradually；It is described anti-
Area is answered to be provided with high-pressure stage, earthing pole and akaline liquid spray equipment；The high-pressure stage is with earthing pole along vertical with gas flow
Direction it is spaced；The high-pressure stage is connected with earthing pole with plasma power supply.
2. off-gas cleaning equipment according to claim 1, which is characterized in that the distance between the high-pressure stage and earthing pole
For 200~300mm.
3. off-gas cleaning equipment according to claim 1, which is characterized in that the high pressure extremely high voltage polar line；It is described to connect
Ground extremely earthing pole plate.
4. off-gas cleaning equipment according to claim 3, which is characterized in that of high voltage polar line between two ground connection pole plates
Number is 1~3.
5. off-gas cleaning equipment according to claim 3, which is characterized in that the width of the ground connection pole plate is less than or equal to
600mm。
6. off-gas cleaning equipment according to claim 1, which is characterized in that further include gas flow equalization plate；The gas is equal
Flowing plate is arranged between the air inlet and reaction zone.
7. off-gas cleaning equipment according to claim 1, which is characterized in that further include akaline liquid preparation system；It is described
Akaline liquid preparation system is connected with the akaline liquid spray equipment.
8. off-gas cleaning equipment according to claim 1, which is characterized in that further include circulation；The reaction zone
It is provided with liquid outlet；The liquid outlet is connected with akaline liquid spray equipment by the circulatory system.
9. off-gas cleaning equipment according to claim 1, which is characterized in that the akaline liquid spray equipment is solid-cone
Shape high pressure nozzle.
10. off-gas cleaning equipment according to claim 1, which is characterized in that the air inlet is air horn；It is described
Air horn is big close to the side diameter of reaction zone；The gas outlet is outlet horn mouth；The outlet horn mouth is close to anti-
Answer the side diameter in area big.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910023057.6A CN109529586A (en) | 2019-01-10 | 2019-01-10 | A kind of off-gas cleaning equipment |
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| CN201910023057.6A CN109529586A (en) | 2019-01-10 | 2019-01-10 | A kind of off-gas cleaning equipment |
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| CN109529586A true CN109529586A (en) | 2019-03-29 |
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| CN111715060A (en) * | 2020-06-24 | 2020-09-29 | 沈锋良 | Industrial harmful waste gas treatment and recovery equipment based on atmospheric pollution control |
| CN113318862A (en) * | 2021-05-25 | 2021-08-31 | 湖北裕久隆环保电气设备有限公司 | Wet-type electric dust remover for boiler flue gas |
| CN114259868A (en) * | 2021-12-20 | 2022-04-01 | 广东美的制冷设备有限公司 | Piezoelectric purification device and electrical equipment |
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| CN113318862A (en) * | 2021-05-25 | 2021-08-31 | 湖北裕久隆环保电气设备有限公司 | Wet-type electric dust remover for boiler flue gas |
| CN113318862B (en) * | 2021-05-25 | 2024-01-19 | 湖北裕久隆环保电气设备有限公司 | Wet-type electric dust remover for boiler flue gas |
| CN114259868A (en) * | 2021-12-20 | 2022-04-01 | 广东美的制冷设备有限公司 | Piezoelectric purification device and electrical equipment |
| CN114259868B (en) * | 2021-12-20 | 2022-09-16 | 广东美的制冷设备有限公司 | Piezoelectric purification device and electrical equipment |
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