CN107185378A - A kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant - Google Patents
A kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant Download PDFInfo
- Publication number
- CN107185378A CN107185378A CN201710437956.1A CN201710437956A CN107185378A CN 107185378 A CN107185378 A CN 107185378A CN 201710437956 A CN201710437956 A CN 201710437956A CN 107185378 A CN107185378 A CN 107185378A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- tower body
- purifying column
- column tower
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B01D53/48—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
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- 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
Abstract
The invention discloses a kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant, including：Purifying column tower body, purifying column tower body uses cylindrical structure form, in purifying column tower body lower end, connection is provided with water tank, it is provided with flue gas mouthful on purifying column tower body sidewall, mouth spray is provided with purifying column tower body upper end, mouth spray is connected to water tank by pipeline, the liquid of water tank is entering shower by pipeline, sprayed in mouth spray, realize the circulation of shower water, a kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant of the invention, structure design is compact, pass through double base extraction sulfur dioxide so that the sulfur dioxide reaction in flue gas is complete, improves environmental quality.
Description
Technical field
The present invention relates to technical field of environment protection equipment, more particularly to a kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant.
Background technology
With China's expanding economy and the progress of society, environmental issue is increasingly serious, and present acid rain problem is that country is anti-
The major issue controlled, the main component of acid rain is sulfur dioxide, and in order to reduce the discharge of sulfur dioxide, country has promulgated desulfurization
Hard and fast rule, in the discharge of sulfur dioxide, smeltery and power plant are the discharge rich anies influential family of sulfur dioxide, in order to reduce dioxy
Change the discharge of sulphur, presently mainly based on Limestone-gypsum Wet Flue Gas Desulfurization Process technique, substantial amounts of lime stone is added in absorption tower
Carry out calcium sulfite, the calcium sulfate generated after sulfur dioxide absorption, sulfur dioxide absorption, reach the purpose for removing sulfur dioxide, adopt
Use Ca（OH）2, in operation, easy fouling so that the spray nozzle clogging of processing, and alkali charge is high, the sludge quantity of generation
Greatly, and sulfur dioxide treatment not exclusively, therefore, the invention provides a kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant, using acid-base neutralization,
Through fully chemical reaction, so as to be separated off acid ingredient, handling process rationally, is capable of the sulfur dioxide of efficient process power plant,
Sulfur trioxide, does not pollute surrounding environment.
The content of the invention
The present invention solves the technical problem of a kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant is provided, power plant can be effectively removed
Sulfur dioxide, sulfur trioxide, and and surrounding environment will not be polluted, operating efficiency is high, easy for installation.
A kind of described Introduction For Flue Gas Desulfarization System Of Electric Power Plant, including：Purifying column tower body, purifying column tower body uses cylindrical structure shape
Formula, in purifying column tower body lower end, connection is provided with water tank, and water tank is rectangular parallelepiped structure form, and in water tank lower end, connection is provided with bottom
Seat, purifying column tower body uses double-layer structure form, and internal layer uses polypropylene material, and outer layer uses metal framework supporting layer.
It is provided with flue gas mouthful on purifying column tower body sidewall, enters flue gas mouthful and power-plant flue gas discharge is connected to by pipeline
Mouthful.
Mouth spray is provided with purifying column tower body upper end, mouth spray is connected to water tank by pipeline, and the liquid of water tank is logical
Piping enters shower, is sprayed in mouth spray, realizes the circulation of shower water.
Connection is provided with pumping motor between mouth spray and the pipeline of water tank, and water extraction is sprayed to realize by pumping motor
For circulation power.
Dosing tank is connected to by circulating line on water tank, dosing tank is rectangular parallelepiped structure form, is set on dosing tank
NAOH alkali liquor inlets have been put, have passed through mouth spray so that the sulfur dioxide in flue gas is contacted with water, sulfurous acid, SO2+H2O- is generated>
To generate sulfurous acid solution progress acid-base neutralization anti-with to be alkaline matter with sulfur dioxide be dissolved in water for H2SO3, NAOH desulphurization stage reason
Should, NA2SO3 and H2SO3 further reacts generation NAHSO3, NAHSO3 and accelerates generation sodium sulfite with NAOH reactions again；Generation
Sodium sulfite recycled as absorbent, it is untapped after peroxidating, discharged as harmless aqueous sodium persulfate solution,
NA2SO3+H2SO3=NAHSO3, NAHSO3+NAOH=2NA2SO3+2H2O, NA2SO3+1/2O2=NA2SO4.
In water tank bottom there is provided sewage draining exit, by sewage draining exit so that reacted sewage discharge, a kind of optimization technique side
Case, sewage draining exit connection is provided with electromagnetic valve, is easy to control the discharge of sludge by electromagnetic valve.
In order that alkali lye and flue gas are fully contacted, packing layer is provided with purifying column tower body, filler uses Pall ring
Or Raschig ring structure, filler uses polypropylene material, increases the contact area of shower water and waste gas, improve clean-up effect, be
Facilitate the addition and exclusion of filler, a kind of optimal technical scheme on described purifying column tower body is also provided with filler import
With filler outlet.
Waste gas outlet is provided with purifying column tower body top, the waste gas handled by packing layer is entered by waste gas outlet
Alkali lye pond, alkali lye pond uses rectangular parallelepiped structure form, calcium hydroxide is provided with alkali lye pond, by calcium hydroxide so that dioxy
Change the further purified treatment of sulphur.
Air outlet slit is provided with alkali lye pond, air outlet slit is connected to chimney by pipeline, is handled by alkali lye pond
Air is discharged by chimney, and is provided with air exhauster in chimney lower end, and power is provided for air discharge by air exhauster.
A kind of optimal technical scheme, in order to ensure air quality, air quality detector is provided with chimney device top
With rain cap structure, air quality detector is easy to detection discharge air quality.
The beneficial effects of the invention are as follows：A kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant of the present invention, structure design is compact, passes through double alkali
Liquid handles sulfur dioxide so that the sulfur dioxide reaction in flue gas is complete, is adapted to the waste discharge gas disposal of industry-by-industry enterprise of China,
Atmospheric environment is protected after treatment, improves environmental quality.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Introduction For Flue Gas Desulfarization System Of Electric Power Plant of the invention；
The mark of each part is as follows in accompanying drawing：
1 is mouth spray, and 2 be purifying column tower body, 3 packing layers, and 4 be water tank, and 5 be pumping motor, and 6 be sewage draining exit, and 7 be dosing tank, 8
It is chimney for air exhauster, 9,10 be alkali lye pond, and 11 be into flue gas mouthful.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention includes：
A kind of described Introduction For Flue Gas Desulfarization System Of Electric Power Plant, including：Purifying column tower body, purifying column tower body uses cylindrical structure form,
In purifying column tower body lower end, connection is provided with water tank, and water tank is rectangular parallelepiped structure form, and in water tank lower end, connection is provided with base,
Purifying column tower body uses double-layer structure form, and internal layer uses polypropylene material, and outer layer uses metal framework supporting layer.
It is provided with flue gas mouthful on purifying column tower body sidewall, enters flue gas mouthful and power-plant flue gas discharge is connected to by pipeline
Mouthful.
Mouth spray is provided with purifying column tower body upper end, mouth spray is connected to water tank by pipeline, and the liquid of water tank is logical
Piping enters shower, is sprayed in mouth spray, realizes the circulation of shower water.
Connection is provided with pumping motor between mouth spray and the pipeline of water tank, and water extraction is sprayed to realize by pumping motor
For circulation power.
Dosing tank is connected to by circulating line on water tank, dosing tank is rectangular parallelepiped structure form, is set on dosing tank
NAOH alkali liquor inlets have been put, have passed through mouth spray so that the sulfur dioxide in flue gas is contacted with water, sulfurous acid, SO2+H2O- is generated>
To generate sulfurous acid solution progress acid-base neutralization anti-with to be alkaline matter with sulfur dioxide be dissolved in water for H2SO3, NAOH desulphurization stage reason
Should, NA2SO3 and H2SO3 further reacts generation NAHSO3, NAHSO3 and accelerates generation sodium sulfite with NAOH reactions again；Generation
Sodium sulfite recycled as absorbent, it is untapped after peroxidating, discharged as harmless aqueous sodium persulfate solution,
NA2SO3+H2SO3=NAHSO3, NAHSO3+NAOH=2NA2SO3+2H2O, NA2SO3+1/2O2=NA2SO4.
In water tank bottom there is provided sewage draining exit, by sewage draining exit so that reacted sewage discharge, a kind of optimization technique side
Case, sewage draining exit connection is provided with electromagnetic valve, is easy to control the discharge of sludge by electromagnetic valve.
In order that alkali lye and flue gas are fully contacted, packing layer is provided with purifying column tower body, filler uses Pall ring
Or Raschig ring structure, filler uses polypropylene material, increases the contact area of shower water and waste gas, improve clean-up effect, be
Facilitate the addition and exclusion of filler, a kind of optimal technical scheme on described purifying column tower body is also provided with filler import
With filler outlet.
Waste gas outlet is provided with purifying column tower body top, the waste gas handled by packing layer is entered by waste gas outlet
Alkali lye pond, alkali lye pond uses rectangular parallelepiped structure form, calcium hydroxide is provided with alkali lye pond, by calcium hydroxide so that dioxy
Change the further purified treatment of sulphur.
Air outlet slit is provided with alkali lye pond, air outlet slit is connected to chimney by pipeline, is handled by alkali lye pond
Air is discharged by chimney, and is provided with air exhauster in chimney lower end, and power is provided for air discharge by air exhauster.
A kind of optimal technical scheme, in order to ensure air quality, air quality detector is provided with chimney device top
With rain cap structure, air quality detector is easy to detection discharge air quality.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (4)
1. a kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant, it is characterised in that including：Purifying column tower body, purifying column tower body uses cylinder knot
Configuration formula, in purifying column tower body lower end, connection is provided with water tank, and water tank is rectangular parallelepiped structure form, connects and sets in water tank lower end
Base, purifying column tower body uses double-layer structure form, and internal layer uses polypropylene material, and outer layer uses metal framework supporting layer,
It is provided with flue gas mouthful on purifying column tower body sidewall, enters flue gas mouthful and power-plant flue gas outlet is connected to by pipeline, in purification
Tower tower body upper end is provided with mouth spray, and mouth spray is connected to water tank by pipeline, and the liquid of water tank is entering spray by pipeline
Pipe, sprays in mouth spray, and connection is provided with pumping motor between mouth spray and the pipeline of water tank, is to realize by pumping motor
Shower water provides circulation power, and dosing tank is connected to by circulating line on water tank, and dosing tank is rectangular parallelepiped structure form,
NAOH alkali liquor inlets are provided with dosing tank, pass through mouth spray so that the sulfur dioxide in flue gas is contacted with water, sulfurous is generated
Acid, SO2+H2O->H2SO3, NAOH desulphurization stage reason with to be alkaline matter with sulfur dioxide be dissolved in water generates sulfurous acid solution and enter
Row acid-base neutralization reaction, NA2SO3 and H2SO3 further reacts generation NAHSO3, NAHSO3 and accelerates generation sub- with NAOH reactions again
Sodium sulphate；The sodium sulfite of generation is recycled as absorbent, untapped after peroxidating, is used as harmless sodium sulphate water
Solution discharge, NA2SO3+H2SO3=NAHSO3, NAHSO3+NAOH=2NA2SO3+2H2O, NA2SO3+1/2O2=NA2SO4,
Water tank bottom is provided with sewage draining exit, by sewage draining exit so that reacted sewage discharge, in order that alkali lye and flue gas fully connect
Touch, packing layer is provided with purifying column tower body, filler uses Pall ring or Raschig ring structure, and filler uses polypropylene material
Material, is provided with waste gas outlet, the waste gas handled by packing layer enters alkali lye by waste gas outlet on purifying column tower body top
Pond, alkali lye pond uses rectangular parallelepiped structure form, and calcium hydroxide is provided with alkali lye pond, and air is provided with alkali lye pond and is gone out
Mouthful, air outlet slit is connected to chimney by pipeline, and the air handled by alkali lye pond is discharged by chimney, and in chimney lower end
There is provided air exhauster, power is provided by air exhauster for air discharge.
2. a kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant according to claim 1, it is characterised in that sewage draining exit connection is provided with electromagnetism
Valve, is easy to control the discharge of sludge by electromagnetic valve.
3. a kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant according to claim 1, it is characterised in that also set up on purifying column tower body
Filler import and filler outlet.
4. a kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant according to claim 1, it is characterised in that be provided with chimney device top
Air quality detector and rain cap structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437956.1A CN107185378A (en) | 2017-06-12 | 2017-06-12 | A kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437956.1A CN107185378A (en) | 2017-06-12 | 2017-06-12 | A kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant |
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| Publication Number | Publication Date |
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| CN107185378A true CN107185378A (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710437956.1A Pending CN107185378A (en) | 2017-06-12 | 2017-06-12 | A kind of Introduction For Flue Gas Desulfarization System Of Electric Power Plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670438A (en) * | 2017-10-26 | 2018-02-09 | 深圳市贝优通新能源技术开发有限公司 | A kind of intelligent exhaust treatment system for preform production equipment |
| CN109224819A (en) * | 2018-11-02 | 2019-01-18 | 辽宁新瑞碳材料科技有限公司 | A kind of purification method of high temperature furnace sulfur-containing tail gas |
| CN109224799A (en) * | 2018-11-02 | 2019-01-18 | 辽宁新瑞碳材料科技有限公司 | A kind of purification system of high temperature furnace sulfur-containing tail gas |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363334A (en) * | 2015-11-20 | 2016-03-02 | 太仓市振锋化工设备有限公司 | Polypropylene exhaust gas packing spray tower |
| CN105642100A (en) * | 2016-03-24 | 2016-06-08 | 太仓运权化工防腐设备有限公司 | Polypropylene acid mist and waste gas purification tower |
| CN206027399U (en) * | 2016-08-21 | 2017-03-22 | 华电电力科学研究院 | Novel flue gas desulfurization of thermal power plant device |
-
2017
- 2017-06-12 CN CN201710437956.1A patent/CN107185378A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363334A (en) * | 2015-11-20 | 2016-03-02 | 太仓市振锋化工设备有限公司 | Polypropylene exhaust gas packing spray tower |
| CN105642100A (en) * | 2016-03-24 | 2016-06-08 | 太仓运权化工防腐设备有限公司 | Polypropylene acid mist and waste gas purification tower |
| CN206027399U (en) * | 2016-08-21 | 2017-03-22 | 华电电力科学研究院 | Novel flue gas desulfurization of thermal power plant device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670438A (en) * | 2017-10-26 | 2018-02-09 | 深圳市贝优通新能源技术开发有限公司 | A kind of intelligent exhaust treatment system for preform production equipment |
| CN109224819A (en) * | 2018-11-02 | 2019-01-18 | 辽宁新瑞碳材料科技有限公司 | A kind of purification method of high temperature furnace sulfur-containing tail gas |
| CN109224799A (en) * | 2018-11-02 | 2019-01-18 | 辽宁新瑞碳材料科技有限公司 | A kind of purification system of high temperature furnace sulfur-containing tail gas |
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| PB01 | Publication | ||
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Application publication date: 20170922 |