CN109954386A - A kind of flue-gas dust-removing and desulfurization denitrification system with detection function - Google Patents

A kind of flue-gas dust-removing and desulfurization denitrification system with detection function Download PDF

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CN109954386A
CN109954386A CN201711334100.8A CN201711334100A CN109954386A CN 109954386 A CN109954386 A CN 109954386A CN 201711334100 A CN201711334100 A CN 201711334100A CN 109954386 A CN109954386 A CN 109954386A
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gas
spray
chamber
detector
air inlet
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雒晓瑜
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Xi'an Xingui System Information Technology Co Ltd
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Xi'an Xingui System Information Technology Co Ltd
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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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • 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
    • B01D53/30—Controlling by gas-analysis apparatus
    • 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
    • B01D53/54—Nitrogen compounds
    • B01D53/56—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
    • B01D53/60—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
    • B01D53/75—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
    • B01D53/34—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
    • B01D53/96—Regeneration, reactivation or recycling of reactants
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/102—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/406—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
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    • B01D2257/7027—Aromatic hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
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    • B01D2257/708—Volatile organic compounds V.O.C.'s
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
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Abstract

Present invention relates particularly to a kind of flue-gas dust-removing and desulfurization denitrification system with detection function, including the smoke inlet being sequentially communicated, electrostatic dust removal mechanism, first nitrogen oxides detector, first sulfur dioxide detector, uniform gas chamber and, spray chamber, second nitrogen oxides detector and the second sulfur dioxide detector, uniform gas chamber is equipped with the second air inlet for being passed through oxygen, an agitating paddle is equipped in uniform gas chamber, agitating paddle includes agitating shaft and agitator arm, the bottom of agitator arm is equipped with the air inlet guide shell being connected to the second air inlet, spray assemblies and circulation liquid case are equipped in spray chamber, spray assemblies are located at the top of circulation liquid case, spray assemblies include the gas distribution supporting plate being successively arranged from bottom to up, wrong gas medium layer and spray system, circulation liquid case is connected to spray system.The flue-gas dust-removing and desulfurization denitrification system, desulfurization removing nitric effect is good, high-efficient, and can detect to the content of nitrogen oxides and sulfur dioxide in gas before and after treatment.

Description

A kind of flue-gas dust-removing and desulfurization denitrification system with detection function
Technical field
The invention belongs to environment protection fields, and in particular to a kind of flue-gas dust-removing and desulfurization denitrification system with detection function.
Background technique
In recent years, becoming increasingly conspicuous with environmental problem, industry release exhaust gas caused by air pollution closed extensively Note.The desulfurization technology of current existing exploitation has hundreds of, wherein practical feasible technical solution only raw coal washing, fluidized bed In combustion technology, furnace spray absorbent/humidification activation sulfur removal technology, wet type lime/lime stone sulfur removal technology, seawater desulfurizing process, Simplified wet FGD technique, spray dry desulfurization technique, absorbent regeneration sulfur removal technology, flue spray absorbent sulfur removal technology, electricity More than 10 technology such as beamlet irradiation method.
At present in terms of administering sulfur-bearing, nitrogen-containing oxide flue gas, main method to be used is two methods of dry type or wet type. Most of desulfurization removing nitric equipment are continuous working method not intermittently, and require desulfurization de- in some special production processes Nitrogen equipment service intermittent will cause the waste of energy according to retrospective installation.This requires one kind can automatically detect flue gas Middle sulfur content, the desulfurization of nitrogen-containing oxide amount, denitrification equipment.It is determined according to whether sulfide, nitrogen oxides is contained in flue gas Whether desulfurization removing nitric equipment is started, to realize the service intermittent of desulfurization removing nitric equipment, to reach energy-efficient purpose.But at present General desulfurization removing nitric equipment is extremely difficult to this requirement in the market.
Chinese invention patent 201620180273.3 discloses a kind of flue-gas dust-removing and desulfurization denitrification system, including flue gas air intake, Electrostatic precipitator, valve, active carbon filtering device, check-valves, equipment of desulfuration and denitrogenation, ammonium sulfide filter device；System benefit With electrostatic precipitation method dedusting, while utilizing high-energy radiation chemical method pick-ups and deliveries；The system is specifically using anti- It answers in device and generates high-strength electron beam irradiation flue gas with electron accelerator, the excitation of the molecules such as vapor, oxygen is made to generate energetic free radical, These free radicals make the SO in flue gas2It is aoxidized quickly with NO, generates sulfuric acid and nitric acid, then react to form ammonium sulfate and nitre with ammonia Sour ammonium fertilizer realizes desulfurization and denitrogenation simultaneously.But structure is complicated for the flue-gas dust-removing and desulfurization denitrification system, and cannot be to processing before It is detected with nitrogen oxides in treated gas and sulfur dioxide.
Therefore, there is an urgent need to the systems of sulfide, nitrogen oxides in a kind of purification mixed gas at present.
Summary of the invention
It is poor and cannot be to gas before and after treatment in order to solve desulfurization removing nitric effect existing in the prior art The problem of middle nitrogen oxides and sulfur dioxide are detected, the present invention provides a kind of flue-gas dust-removing and desulfurizations with detection function Denitrification system, desulfurization removing nitric effect is good, and structure is simple, at low cost, and can be to nitrogen oxidation in gas before and after treatment Object and sulfur dioxide are detected.The technical problem to be solved in the present invention is achieved through the following technical solutions:
A kind of flue-gas dust-removing and desulfurization denitrification system with detection function, including smoke inlet and electrostatic dust removal mechanism, it is described quiet The air inlet of electric precipitation mechanism is connected to smoke inlet, further includes uniform gas chamber, spray chamber, the first nitrogen oxides detector, One sulfur dioxide detector, the second nitrogen oxides detector and the second sulfur dioxide detector；
The gas exhaust piping of the electrostatic dust removal mechanism is divided into two-way, connects the first nitrogen oxides detector, another way connection all the way First sulfur dioxide detector；
The outlet of the first nitrogen oxides detector and the first sulfur dioxide detector is collected by pipeline, and with it is described uniformly The air inlet of gas chamber is connected to, and the gas outlet of the uniform gas chamber is connected to the air inlet of fluid reservoir by pipeline；
The uniform gas chamber is additionally provided with the second air inlet for being passed through oxygen；
An agitating paddle is provided in the uniform gas chamber, the agitating paddle includes agitating shaft and agitator arm；
The agitating shaft is hollow design, and the upper end of the agitating shaft is connected to the air inlet of uniform gas chamber；
It is set as cavity at the center of the agitator arm, and offers venthole at the center of agitator arm, the paddle Wheel is connected to the lower end of agitating shaft；
The bottom of the agitator arm is provided with air inlet guide shell, and air inlet guide shell bottom and the second air inlet pass through pipeline Connection；
Spray assemblies and circulation liquid case are provided in the spray chamber, the spray assemblies are located at the top of circulation liquid case；
The spray assemblies include gas distribution supporting plate, wrong gas medium layer and spray system, and the spray system is located at wrong gas medium The top of layer, the mistake gas medium layer are located at the top of gas distribution supporting plate；
The circulation liquid case is connected to spray system；
The gas exhaust piping of the spray chamber is divided into two-way, connects the second nitrogen oxides detector, another way connection the two or two all the way Sulfur oxide detector.
Further, above-mentioned spray assemblies are that structure is 1 ~ 3 identical, and spray assemblies uniformly divide along the longitudinal of spray chamber Cloth.
Further, electrostatic device is provided in above-mentioned electrostatic dust removal mechanism, the electrostatic device is connect with external power supply.
Further, above-mentioned electrostatic dust removal mechanism bottom is provided with ash bucket.
Further, activated carbon filter structure is provided between above-mentioned uniform gas chamber and electrostatic dust removal mechanism.
Beneficial effects of the present invention:
1. flue-gas dust-removing and desulfurization denitrification system of the invention, desulfurization removing nitric effect is good, and structure is simple, at low cost, answers conducive to popularization With；
2. flue-gas dust-removing and desulfurization denitrification system of the invention to before fume treatment nitrogen oxides and sulfur dioxide examine It surveys, and nitrogen oxides in treated gas and sulfur dioxide can be detected；
3. uniform gas chamber of the invention comes into full contact with flue gas and oxygen, be conducive to the NO in flue gas being oxidized to NO2, Desulfurization removing nitric efficiency is improved, and the indoor gas mixing of uniform gas is uniform；
4. spray chamber of the invention is using multistage setting, lye absorbs sulfur-containing compound and nitrogenous compound effect is good, desulfurization and Nitric efficiency is high, and lye can be recycled, and saves raw material, reduces cost.
The present invention is described in further details below with reference to accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment flue-gas dust-removing and desulfurization denitrification system.
In figure: 1, smoke inlet；2, electrostatic dust removal mechanism；3, uniform gas chamber；4, spray chamber；41, gas distribution supporting plate；42, Wrong gas medium layer；43, spray system；44, liquid case is recycled；5, the second air inlet；6, agitating paddle；61, agitating shaft；62, paddle Wheel；63, air inlet guide shell；7, the first nitrogen oxides detector；8, the first sulfur dioxide detector；9, the second nitrogen oxides detects Device；10, the second sulfur dioxide detector.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the present invention is further explained, below in conjunction with attached drawing and reality Example is applied to a specific embodiment of the invention, structure feature and its effect, detailed description are as follows.
It is poor and cannot be to gas before and after treatment in order to solve desulfurization removing nitric effect existing in the prior art The problem of middle nitrogen oxides and sulfur dioxide are detected, the present invention provides a kind of flue-gas dust-removing and desulfurizations with detection function Denitrification system, desulfurization removing nitric effect is good, and structure is simple, at low cost, and can be to nitrogen oxidation in gas before and after treatment Object and sulfur dioxide are detected.
Referring to Fig.1, the flue-gas dust-removing and desulfurization denitrification system with detection function, including smoke inlet 1 and electrostatic precipitation The air inlet of mechanism 2, electrostatic dust removal mechanism 2 is connected to smoke inlet 1, is removed to the dust in flue gas.The flue gas ash removal Desulfurization removing nitric system further include uniform gas chamber 3, spray chamber 4, the first nitrogen oxides detector 7, the first sulfur dioxide detector 8, Second nitrogen oxides detector 9 and the second sulfur dioxide detector 10.
The gas exhaust piping of the electrostatic dust removal mechanism 2 of the present embodiment is divided into two-way, connects the first nitrogen oxides detector all the way 7, another way connects the first sulfur dioxide detector 8.First nitrogen oxides detector 7 and the first sulfur dioxide detector 8 go out Mouth is collected by pipeline, and is connected to the air inlet of uniform gas chamber 3, and the gas outlet of uniform gas chamber 3 and the air inlet of fluid reservoir 4 are logical Piping connection.The content of nitrogen oxides in effluent and sulfur dioxide before processing can be detected.
An agitating paddle 6 is provided in the uniform gas chamber 3 of the present embodiment, agitating paddle 6 includes agitating shaft 61 and agitator arm 62, Agitating shaft 61 is hollow design, and the upper end of agitating shaft 61 is connected to the air inlet of uniform gas chamber 3, sets at the center of agitator arm 62 It is set to cavity, and offers venthole at the center of agitator arm 62, agitator arm 62 is connected to the lower end of agitating shaft 61, stirring The bottom of impeller 62 is provided with air inlet guide shell 63.Uniform gas chamber 3 is additionally provided with the second air inlet 5 for being passed through oxygen, and air inlet is led 63 bottom of flow cartridge is connected to the second air inlet 5 by pipeline.The uniform gas chamber comes into full contact with flue gas and oxygen, is conducive to NO in flue gas is oxidized to NO2, desulfurization removing nitric efficiency is improved, and the indoor gas mixing of uniform gas is uniform.
Spray assemblies and circulation liquid case 44 are provided in the present embodiment spray chamber 4, spray assemblies are located at circulation liquid case 44 Top.Spray assemblies include that gas distribution supporting plate 41, wrong gas medium layer 42 and spray system 43, spray system 43 are located at wrong gas medium The top of layer 42, wrong gas medium layer 42 are located at the top of gas distribution supporting plate 41.Circulation liquid case 44 is connected to spray system 43.Circulation Lye is stored in liquid case 44, it can be with NO2、SO2It is reacted, generates nitrate and sulfate.
Spray assemblies are that structure is 1 ~ 3 identical, and spray assemblies are uniformly distributed along the longitudinal direction of spray chamber, lye and gas MULTI CONTACT, absorbs sulfur-containing compound and nitrogenous compound effect is good, and desulfurization and nitric efficiency are high.
The gas exhaust piping of spray chamber 4 is divided into two-way, connects the second nitrogen oxides detector 9, another way connection second all the way Sulfur dioxide detector 10 detects the content of nitrogen oxides and sulfur dioxide in treated gas.
Electrostatic device is provided in electrostatic dust removal mechanism 2, electrostatic device is connect with external power supply, using electrostatic precipitation mode, is removed Dirt effect is good.2 bottom of electrostatic dust removal mechanism is provided with ash bucket, can be collected to dust.Uniform gas chamber 3 and electrostatic cleaner Activated carbon filter structure is provided between structure 2, can to gas harmful gas (formaldehyde, benzene homologues, ammonia, radon, TVOC, etc. nocuousness Object) it is removed.
Working principle:
The flue gas that boiler generates passes through the first nitrogen oxides detector and the first sulfur dioxide after electrostatic dust removal mechanism dedusting Detector detects the content of nitrogen oxides and sulfur dioxide in flue gas, leads to subsequently into uniform gas chamber, then into uniform gas chamber Enter oxygen, the NO in flue gas is oxidized to N02, subsequently into spray chamber, exhaust gas and spray containing sulfur dioxide and nitrogen dioxide The lye of leaching is contacted, and lye absorbs most sulfur-containing compound and nitrogenous compound, realizes the purpose of desulfurization and denitrogenation, Pass through containing for nitrogen oxides in the second nitrogen oxides detector and the second sulfur dioxide detector detection gas and sulfur dioxide Amount.It is specific that the reaction mechanism is as follows:
The oxidation reaction of NO:
2NO+O2→2NO2；
Nitrogen oxides after oxidation reacts in spray chamber with alkali:
2NO2+H2O→HNO3+HNO2；
2HNO3+Na(OH)2→Na(NO3)+2H2O；
2HNO2+Na(OH)2→Na(NO2)2+2H2O；
2NaOH+SO2→Na2SO3+H2O；
Na2SO3+SO2+H2O→2NaHSO3；
Na2SO3+1/2O2→Na2SO4 。
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention Protection scope.

Claims (5)

1. a kind of flue-gas dust-removing and desulfurization denitrification system with detection function, including smoke inlet (1) and electrostatic dust removal mechanism (2), the air inlet of the electrostatic dust removal mechanism (2) is connected to smoke inlet (1), it is characterised in that: further includes uniform gas chamber (3), spray chamber (4), the first nitrogen oxides detector (7), the first sulfur dioxide detector (8), the second nitrogen oxides detector (9) and the second sulfur dioxide detector (10)；
The gas exhaust piping of the electrostatic dust removal mechanism (2) is divided into two-way, connects the first nitrogen oxides detector (7) all the way, another Road connects the first sulfur dioxide detector (8)；
The outlet of the first nitrogen oxides detector (7) and the first sulfur dioxide detector (8) is collected by pipeline, and with institute The air inlet connection of uniform gas chamber (3) is stated, the gas outlet of the uniform gas chamber (3) and the air inlet of fluid reservoir (4) pass through pipeline Connection；
The uniform gas chamber (3) is additionally provided with the second air inlet (5) for being passed through oxygen；
It is provided with an agitating paddle (6) in the uniform gas chamber (3), the agitating paddle (6) includes agitating shaft (61) and agitator arm (62)；
The agitating shaft (61) is hollow design, and the upper end of the agitating shaft (61) is connected to the air inlet of uniform gas chamber (3)；
It is set as cavity at the center of the agitator arm (62), and offers outlet at the center of the agitator arm (62) Hole, the agitator arm (62) are connected to the lower end of agitating shaft (61)；
The bottom of the agitator arm (62) is provided with air inlet guide shell (63), air inlet guide shell (63) bottom with second into Port (5) is connected to by pipeline；
Spray assemblies and circulation liquid case (44) are provided in the spray chamber (4), the spray assemblies are located at circulation liquid case (44) Top；
The spray assemblies include gas distribution supporting plate (41), wrong gas medium layer (42) and spray system (43), the spray system (43) it is located at the top of wrong gas medium layer (42), the mistake gas medium layer (42) is located at the top of gas distribution supporting plate (41)；
The circulation liquid case (44) is connected to spray system (43)；
The gas exhaust piping of the spray chamber (4) is divided into two-way, connects the second nitrogen oxides detector (9), another way connection all the way Second sulfur dioxide detector (10).
2. flue-gas dust-removing and desulfurization denitrification system as described in claim 1, which is characterized in that the spray assemblies are that structure is identical 1 ~ 3, and spray assemblies are uniformly distributed along the longitudinal direction of spray chamber.
3. flue-gas dust-removing and desulfurization denitrification system as claimed in claim 1 or 2, which is characterized in that the electrostatic dust removal mechanism (2) In be provided with electrostatic device, the electrostatic device is connect with external power supply.
4. flue-gas dust-removing and desulfurization denitrification system as claimed in claim 3, which is characterized in that electrostatic dust removal mechanism (2) bottom Portion is provided with ash bucket.
5. flue-gas dust-removing and desulfurization denitrification system as claimed in claim 4, which is characterized in that the uniform gas chamber (3) and electrostatic Dedusting mechanism is provided with activated carbon filter structure between (2).
CN201711334100.8A 2017-12-14 2017-12-14 A kind of flue-gas dust-removing and desulfurization denitrification system with detection function Withdrawn CN109954386A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111579437A (en) * 2020-05-27 2020-08-25 丹晟实业（上海）有限公司 Extraction testing arrangement of sulphur and nitrogen element content in haydite

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111579437A (en) * 2020-05-27 2020-08-25 丹晟实业（上海）有限公司 Extraction testing arrangement of sulphur and nitrogen element content in haydite
CN111579437B (en) * 2020-05-27 2023-04-07 丹晟实业（上海）有限公司 Extraction testing arrangement of sulphur and nitrogen element content in haydite

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Application publication date: 20190702