CN107519733A - Coal-fired flue gas desulfurization recycling and zero discharge device - Google Patents
Coal-fired flue gas desulfurization recycling and zero discharge device Download PDFInfo
- Publication number
- CN107519733A CN107519733A CN201610442499.0A CN201610442499A CN107519733A CN 107519733 A CN107519733 A CN 107519733A CN 201610442499 A CN201610442499 A CN 201610442499A CN 107519733 A CN107519733 A CN 107519733A
- Authority
- CN
- China
- Prior art keywords
- equipment
- sulfur dioxide
- coal
- zero discharge
- flue gas
- 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
-
- 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
- B01D53/14—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 absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8637—Simultaneously removing sulfur oxides and nitrogen oxides
Abstract
The processing of sulfur dioxide is carried out by the way of water activation, this is mode the most economic, the light electrolysis activated water and desulfurizing assistant agent that the present invention starts, can effectively remove floating dust (HC) and sulfur dioxide (SO2), it is not necessary to bag filter, so as to reduced investment, operation power charge substantially reduces, then additional palladium rhodium catalysis net will further remove denitrification (NOX), make fume emission three major source of pollution integrated treatment, so as to effectively realize recycling and zero discharge.
Description
Technical field：
This technology carries out the processing of sulfur dioxide by the way of water activation, and this is mode the most economic, of the invention
The light electrolysis activated water and desulfurizing assistant agent started, it can effectively remove floating dust (HC) and sulfur dioxide (SO2), then additional palladium rhodium catalysis
Net will further remove denitrification (NOx), make fume emission three major source of pollution integrated treatment, so as to effectively realize recycling
Zero-emission.It can be widely used for the desulfurization of the six big highly energy-consuming trade such as electric power, steel, coloured, building materials, PETROLEUM PROCESSING, chemical industry.This is de-
Sulphur equipment biggest advantage：Equipment is costly low with running, and desulfurizing byproduct is converted into combustion adjuvant recycling, without solid Secondary pollution, this is a revolutionary advancement of flue gas desulfurization.
Background technology：
Sulfur dioxide is colourless gas, there is intense irritation smell, is one of Air Pollutant Discharge.In many industrial mistakes
Cheng Zhonghui produces sulfur dioxide.Because coal and oil generally all contain sulphur compound, therefore sulfur dioxide can be generated during burning.
SO2Further oxidation, generally in the presence of catalyst such as nitrogen dioxide, will generate sulfuric acid --- one of composition of acid rain.
During here it is to using these fuel as the energy, generation environment is polluted the reason for needing to administer.
It is known that sulfur dioxide (SO can be produced by combusting coal2), nitrogen oxides (NOx), floating dust (HC).Sulfur dioxide
Discharge can produce acid rain, harm be produced to our living environment, so State Bureau of Environmental Protection has formulated the discharge mark of sulfur dioxide
Standard, while meeting that industrial production is developed the economy, meet ecological environment requirement.The discharge standard of current sulfur dioxide at home
For 200mg/m3, sulfur dioxide caused by enterprise's fire coal is generally in 1500~3000mg/m at present3, so to these titanium dioxides
Amounts of sulphur contaminants needs strictly to be handled.
Generally sulfur dioxide is handled by the way of lime and sodium hydroxide.The former handles generation secondary solid
Pollution, and the latter is low with naoh concentration, treatment effect is undesirable, concentration is high can make nozzle Crystallization Plugging, and equipment
Put into huge, enterprise operation is costly, and enterprise is caused greatly to bear.Some are not because sulfur dioxide is up to standard, because of environmental requirement
Enterprise can only be made to stop production, great economic loss is caused to enterprise.
This product is a kind of highly enriched fluent material.Its principle is that sulfur dioxide is slightly soluble in active water, is passed through
Desulfurizing agent is completely dissolved in active water, so as to effectively remove influence of the sulfur dioxide to environment in smoke evacuation.Sulphur in smoke evacuation is one
The valuable material of kind, but row can produce pollution in atmosphere, and after being enriched with by active water, not only smoke evacuation sulfur dioxide is had
Effect removes, and a clearance can do multiple circular treatment up to more than 85%, and according to environment protection emission requirement, reach industrial waste gas zero
Discharge.So that enterprise need not often go transformation environmental protection to propose the renewal of the equipment after mark, make Sustainable Development of Enterprises.
The content of the invention：
For main mesh of the invention by the way of a kind of active water washing gas, main contents are as follows：
1st, the flue gas containing flue dust and oxysulfide enters cylinder by inlet flue duct, and the absorbing liquid containing desulfurizing agent passes through EM
Electrolyzer sprays from desulfurating dust-removing equipment upper, middle and lower portion by spiral nozzle respectively, is formed with flue gas into reverse multiple rows of high speed atomisation
Water curtain, adds the collision probability of flue dust oxysulfide and water, and makes full use of the speed of atomized drop to cause very high gas
Liquid relative velocity, to ensure the dedusting of deduster and desulfurized effect.
2nd, the treated desulfurizing agent of this external application EM electrolyzers absorbs the peculiar smell that liquid energy removes waste gas.Purified gas, lead to
Cross cylinder top to discharge after demister demisting, so as to reach dust-removal and desulfurizing purpose.
3rd, water sealed tank is provided with cylinder body bottom to prevent flue gas from bottom leakage.Desulfurization wastewater can be recycled.
Brief description of the drawings：
Fig. 1 is process chart
Explanation：This schematic diagram is drawn according to actual fabrication for the ease of the debugging and displaying spy of coal-combustion fume purifier.
Particular content is as follows：
1. coal-burning boiler
2. exhaust duct
3. air-introduced machine
4. sink (chimney bottom)
5. chimney (chimney top)
6. three ring waste gas wash spray heads
7. detail drawing Modulated Reference (is matched somebody with somebody) in exhaust-gas treatment pond
8. touch-screen remote central controller
Fig. 2 is coal-fired flue-gas processing block diagram
Concrete operations mode：
1st, activation water electrolysis cycle device is opened；
2nd, used after desulfurizing agent stoste being diluted into 30 times with urban river water；
3rd, activation pond per ton need to add 2% dilution doctor solution consumption, i.e. 1 ton of water carries out that 20 public affairs need to be added during electrolysis, activation
The dilution desulfurizing agent of jin；
4th, according to the concentration of smoke evacuation sulfur dioxide and the actual conditions of air quantity are handled, by online sulfur dioxide alarm and
When switch desulfurization pond；
5th, the treated desulfurization pond of saturation, it can be handled by the auxiliary agent addition of service enterprise, turn into enterprise's boiler
The combustion adjuvant of burning.So, whole processing procedure does not just have residue and secondary pollution.
Claims (1)
1. its feature is made up of following sections：
(1), the sulfur dioxide among fire coal is removed by this equipment by way of liquid, has changed conventional solid or half admittedly
Precursor reactant mode.It is big to solve the investment of solid removing method, operating cost height, solid secondary pollution is big, handles not thorough etc. all
More shortcomings；
(2), the liquid adjuvants of this equipment and gas produce reaction, can be by floating dust (HC) sulfur dioxide (SO in waste gas2) go
Remove, be reconfigured at catalytic unit, it is possible to remove denitrification (NOX) denitration is carried out, realize " Trinity " ideal synthesis
Handle effect；
(3), this device operating system employs the mode of human-computer dialogue and touch-screen remote control, so that desulfurization process is more
Reliably；
(4), the liquid adjuvants of this equipment are concentrate, and flash-point is more than 61 degree, belongs to non-dangerous article；
(5), the liquid adjuvants reusable edible of this equipment, desulfuration efficiency is high, and loss is few, so as to reduce operating cost；
(6), the waste water that this equipment is handled can carry out resource reutilization, turn into combustion adjuvant, can be that enterprise creates economic benefit,
So that technique is easy to promote, favourable city haze is administered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610442499.0A CN107519733A (en) | 2016-06-20 | 2016-06-20 | Coal-fired flue gas desulfurization recycling and zero discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610442499.0A CN107519733A (en) | 2016-06-20 | 2016-06-20 | Coal-fired flue gas desulfurization recycling and zero discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107519733A true CN107519733A (en) | 2017-12-29 |
Family
ID=60734496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610442499.0A Pending CN107519733A (en) | 2016-06-20 | 2016-06-20 | Coal-fired flue gas desulfurization recycling and zero discharge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107519733A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343203A (en) * | 2010-07-30 | 2012-02-08 | 辽宁省锅炉技术研究所 | Method for purifying harmful substances in smoke produced by combustion of boiler |
| CN103349903A (en) * | 2013-06-09 | 2013-10-16 | 天津大学 | Flue gas semidry desulfurization method and device |
| CN105251352A (en) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | Smoke purification technology |
| CN105435632A (en) * | 2015-11-13 | 2016-03-30 | 无锡桥阳机械制造有限公司 | Flue gas purification process |
| EP3012010A1 (en) * | 2014-10-20 | 2016-04-27 | Lab Sa | Method and plant for purifying the exhaust gases of an engine of a marine vessel |
| EP2907563A4 (en) * | 2012-10-11 | 2016-05-25 | Mitsubishi Heavy Ind Ltd | Exhaust gas treatment system and method |
-
2016
- 2016-06-20 CN CN201610442499.0A patent/CN107519733A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343203A (en) * | 2010-07-30 | 2012-02-08 | 辽宁省锅炉技术研究所 | Method for purifying harmful substances in smoke produced by combustion of boiler |
| EP2907563A4 (en) * | 2012-10-11 | 2016-05-25 | Mitsubishi Heavy Ind Ltd | Exhaust gas treatment system and method |
| CN103349903A (en) * | 2013-06-09 | 2013-10-16 | 天津大学 | Flue gas semidry desulfurization method and device |
| EP3012010A1 (en) * | 2014-10-20 | 2016-04-27 | Lab Sa | Method and plant for purifying the exhaust gases of an engine of a marine vessel |
| CN105251352A (en) * | 2015-11-13 | 2016-01-20 | 无锡桥阳机械制造有限公司 | Smoke purification technology |
| CN105435632A (en) * | 2015-11-13 | 2016-03-30 | 无锡桥阳机械制造有限公司 | Flue gas purification process |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171229 |