CN105498475A - Liquid-state electrode denitration device - Google Patents
Liquid-state electrode denitration device Download PDFInfo
- Publication number
- CN105498475A CN105498475A CN201510868708.3A CN201510868708A CN105498475A CN 105498475 A CN105498475 A CN 105498475A CN 201510868708 A CN201510868708 A CN 201510868708A CN 105498475 A CN105498475 A CN 105498475A
- Authority
- CN
- China
- Prior art keywords
- treatment fluid
- liquid electrode
- denitration unit
- liquid
- ozone denitration
- 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.)
- Pending
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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
- B01D53/75—Multi-step processes
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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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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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
- B01D53/76—Gas phase processes, e.g. by using aerosols
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/104—Ozone
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- 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
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/10—Gas phase, e.g. by using aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/124—Liquid reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
Abstract
the invention discloses a liquid-state electrode denitration device, belongs to the field of flue gas purification, and aims to provide a liquid-state electrode denitration device which is simple in structure and process, small in size, low in manufacture cost, good in denitration effect and particularly suitable for denitration and purification of flue gas in a coal-fired power plant. The liquid-state electrode denitration device comprises a flue gas inlet, a booster fan, a treating liquid circulating pump and a treating liquid storing tank, wherein the outlet of the booster fan is connected with one end of a primary liquid-state electrode ozone denitration unit through a flue gas passage; the other end of the primary liquid-state electrode ozone denitration unit is connected with one end of a secondary liquid-state electrode ozone denitration unit through an S-shaped flue gas passage; a purified flue gas outlet is formed in the other end of the secondary liquid-state electrode ozone denitration unit. The liquid-state electrode ozone denitration device is suitable for denitration of the flue gas in the coal-fired power plant.
Description
Technical field
The present invention relates to filed of flue gas purification, particularly relate to a kind of liquid electrode denitrification apparatus.
Background technology
Coal is the main energy sources of China, and the nitrogen oxide of coal fire discharged generation is the one of the main reasons causing atmosphere pollution, particularly China's power generation structure is based on thermal power generation, and the discharged nitrous oxides of thermal power generation is in first, although existing coal-burning power plant of China has also built equipment for denitrifying flue gas gradually, but the denitrating technique of prior art also exists system complex, floor space is large, equipment investment high, become the principal element of restriction development to a great extent, such as: the investment construction of coal-fired power plant, desulfurization, denitration just accounts for about 12.% of gross investment, therefore development technology is simple, invest little, the desulfurizing and denitrifying process method of dependable performance is significant.
Summary of the invention
In order to overcome deficiency of the prior art, the invention provides the liquid electrode denitrification apparatus that a kind of technique is simple, volume is little, small investment, energy consumption are low.
Liquid electrode denitrification apparatus of the present invention, comprise smoke inlet, booster fan, treatment fluid circulating pump, treatment fluid storage tank, described booster fan outlet is connected by exhaust gases passes one end with one-level liquid electrode ozone denitration unit, the other end of one-level liquid electrode ozone denitration unit is connected by S shape exhaust gases passes one end with secondary liquid electrode ozone denitration unit, and the other end of secondary liquid electrode ozone denitration unit is provided with the rear exhanst gas outlet of purification.
Described treatment fluid pump entry is connected with treatment fluid storage tank by treatment fluid feedwater piping, and treatment fluid circulating-pump outlet is connected with secondary liquid electrode ozone denitration unit with one-level liquid electrode ozone denitration unit with treatment fluid feedwater piping respectively by treatment fluid flow control valve.
Described treatment fluid storage tank upper end is provided with additive and adds entrance, and centre is provided with make-up water entrance, and lower end is provided with discharging of waste liquid outlet.
Described treatment fluid storage tank is connected with secondary liquid electrode ozone denitration unit with one-level liquid electrode ozone denitration unit respectively by treatment fluid water return pipeline.
Described liquid electrode ozone denitration unit can multistagely be arranged.
The invention has the beneficial effects as follows: technique is simple, volume is little, cost is low, denitration effect is good, be particularly suitable for coal-fired plant flue gas denitration purification.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present invention.
In figure: after smoke inlet 1, booster fan 2, one-level liquid electrode ozone denitration unit 3, S shape exhaust gases passes 4, secondary liquid electrode ozone denitration unit 5, purification, exhanst gas outlet 6, treatment fluid feedwater piping 7, treatment fluid flow control valve 8, treatment fluid circulating pump 9, treatment fluid storage tank 10, discharging of waste liquid outlet 11, make-up water entrance 12, additive add entrance 13, treatment fluid water return pipeline 14, exhaust gases passes 15.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
In the drawings, described booster fan 2 is exported and is connected by exhaust gases passes 15 one end with one-level liquid electrode ozone denitration unit 3, the other end of one-level liquid electrode ozone denitration unit 3 is connected by S shape exhaust gases passes 4 one end with secondary liquid electrode ozone denitration unit 5, and the other end of secondary liquid electrode ozone denitration unit 5 is provided with the rear exhanst gas outlet 6 of purification.Usual one-level liquid electrode ozone denitration unit 3 adopts S shape exhaust gases passes 4 to be connected with between secondary liquid electrode ozone denitration unit 5, greatly can improve denitration effect, also improve carbonated drink separating power.
Described treatment fluid circulating pump 9 entrance is connected with treatment fluid storage tank 10 by treatment fluid feedwater piping 7, and treatment fluid circulating pump 9 is exported and is connected with secondary liquid electrode ozone denitration unit 5 with one-level liquid electrode ozone denitration unit 3 respectively with treatment fluid feedwater piping 7 by treatment fluid flow control valve 8.Usually by regulating treatment fluid flow control valve 8 to carry out treatment fluid flow-control, it is made to reach best denitration effect.
Described treatment fluid storage tank 10 upper end is provided with additive and adds entrance 13, and centre is provided with make-up water entrance 12, and lower end is provided with discharging of waste liquid outlet 11.Usual additive can be industrial soda also can be other denitration preparation, when after plant running to certain hour, treatment fluid needs 11 to be discharged by discharging of waste liquid outlet, and by make-up water entrance 12 supply clear water with add entrance 13 by additive and add new additive.
Described treatment fluid storage tank 10 is connected with secondary liquid electrode ozone denitration unit 5 with one-level liquid electrode ozone denitration unit 3 respectively by treatment fluid water return pipeline 14, realizes the continual circulation for the treatment of fluid between liquid electrode ozone denitration unit and treatment fluid storage tank 10.
Described liquid electrode ozone denitration unit can multistagely be arranged.The progression of liquid electrode ozone denitration unit is set according to the size for the treatment of capacity usually.
Claims (5)
1. a liquid electrode denitrification apparatus, comprise smoke inlet (1), booster fan (2), treatment fluid circulating pump (9), treatment fluid storage tank (10), it is characterized in that: described booster fan (2) outlet is connected by exhaust gases passes (15) one end with one-level liquid electrode ozone denitration unit (3), the other end of one-level liquid electrode ozone denitration unit (3) is connected by S shape exhaust gases passes (4) one end with secondary liquid electrode ozone denitration unit (5), the other end of secondary liquid electrode ozone denitration unit (5) is provided with the rear exhanst gas outlet (6) of purification.
2. liquid electrode denitrification apparatus according to claim 1, it is characterized in that: described treatment fluid circulating pump (9) entrance is connected with treatment fluid storage tank (10) by treatment fluid feedwater piping (7), treatment fluid circulating pump (9) outlet is connected with secondary liquid electrode ozone denitration unit (5) with one-level liquid electrode ozone denitration unit (3) with treatment fluid feedwater piping (7) respectively by treatment fluid flow control valve (8).
3. liquid electrode denitrification apparatus according to claim 1, it is characterized in that: described treatment fluid storage tank (10) upper end is provided with additive and adds entrance (13), centre is provided with make-up water entrance (12), and lower end is provided with discharging of waste liquid outlet (11).
4. liquid electrode denitrification apparatus according to claim 1, is characterized in that: described treatment fluid storage tank (10) is connected with secondary liquid electrode ozone denitration unit (5) with one-level liquid electrode ozone denitration unit (3) respectively by treatment fluid water return pipeline (14).
5. liquid electrode denitrification apparatus according to claim 1, is characterized in that: described liquid electrode ozone denitration unit can multistagely be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868708.3A CN105498475A (en) | 2015-12-03 | 2015-12-03 | Liquid-state electrode denitration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868708.3A CN105498475A (en) | 2015-12-03 | 2015-12-03 | Liquid-state electrode denitration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105498475A true CN105498475A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510868708.3A Pending CN105498475A (en) | 2015-12-03 | 2015-12-03 | Liquid-state electrode denitration device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105498475A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102274680A (en) * | 2011-07-22 | 2011-12-14 | 广东佳德环保科技有限公司 | Steamer discharge ammonia flue gas desulfurization, denitration and demisting integrated method |
| CN102600709A (en) * | 2012-03-27 | 2012-07-25 | 佛山市三水佳利达纺织染有限公司 | Method and device for flue gas desulfurization and denitration by combination of ozone and alkali wastewater |
| CN102949921A (en) * | 2012-11-19 | 2013-03-06 | 厦门城力机电设备有限公司 | High-pressure electrostatic dust collection electric field device of coal-fired unit for generating ozone and simultaneously desulfurizing and denitrating |
-
2015
- 2015-12-03 CN CN201510868708.3A patent/CN105498475A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102274680A (en) * | 2011-07-22 | 2011-12-14 | 广东佳德环保科技有限公司 | Steamer discharge ammonia flue gas desulfurization, denitration and demisting integrated method |
| CN102600709A (en) * | 2012-03-27 | 2012-07-25 | 佛山市三水佳利达纺织染有限公司 | Method and device for flue gas desulfurization and denitration by combination of ozone and alkali wastewater |
| CN102949921A (en) * | 2012-11-19 | 2013-03-06 | 厦门城力机电设备有限公司 | High-pressure electrostatic dust collection electric field device of coal-fired unit for generating ozone and simultaneously desulfurizing and denitrating |
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| C06 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: E Panyu District District Hualong Town of Jinhu Tan Shan Cun, Guangzhou City Industrial Zone of Guangdong province in 511450 by 1 Applicant after: Guangdong beauty Control Electronic Technology Co., Ltd. Address before: E Panyu District District Hualong Town of Jinhu Tan Shan Cun, Guangzhou City Industrial Zone of Guangdong province in 511450 by 1 Applicant before: GUANGZHOU MEIKONG ELECTRONIC TECHNOLOGY CO., LTD. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160420 |