CN106731422A - A kind of desulfurizing tower dust is grown up and merges dedusting demisting integrated apparatus - Google Patents
A kind of desulfurizing tower dust is grown up and merges dedusting demisting integrated apparatus Download PDFInfo
- Publication number
- CN106731422A CN106731422A CN201710100240.2A CN201710100240A CN106731422A CN 106731422 A CN106731422 A CN 106731422A CN 201710100240 A CN201710100240 A CN 201710100240A CN 106731422 A CN106731422 A CN 106731422A
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- Prior art keywords
- desulfurizing tower
- water
- layer
- ridge type
- gas cap
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- 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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- 230000003009 desulfurizing effect Effects 0.000 title claims abstract 16
- 239000000428 dust Substances 0.000 title claims abstract 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 30
- 239000007921 spray Substances 0.000 claims abstract 13
- 239000007789 gas Substances 0.000 claims abstract 11
- 125000004122 cyclic group Chemical group 0.000 claims abstract 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000003546 flue gas Substances 0.000 claims abstract 3
- 239000002245 particle Substances 0.000 claims abstract 2
- 230000002411 adverse Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 229910052602 gypsum Inorganic materials 0.000 abstract 3
- 239000010440 gypsum Substances 0.000 abstract 3
- 239000007787 solid Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- 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
-
- 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
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of desulfurizing tower dust is grown up and merges dedusting demisting integrated apparatus, belongs to flue gas ash removal demisting technical field, and the present invention easily triggers the problem of chimney gypsum rain phenomenon to solve to carry fine solid particle and gypsum droplet in traditional desulfurizing tower exiting flue gas.First order ridge type demister is arranged on the top in desulfurizing tower, and first order ridge type demister is sequentially arranged above with a liter gas cap backwater layer, Venturi washer, Water spray layer, second level ridge type demister and third level ridge type demister；The outside of desulfurizing tower is provided with cyclic water tank, rises gas cap backwater layer and is connected with cyclic water tank by water return pipeline, rises gas cap backwater layer and is made up of multiple gas caps that rise；Cyclic water tank is connected by circulating water line with Water spray layer, and Water spray layer is made up of pipeline and multiple atomizers.A kind of desulfurizing tower dust of the invention grow up merging dedusting demisting integrated apparatus can improve desulfurizing tower collaboration dust collection capacity, thoroughly eliminate chimney gypsum rain phenomenon.
Description
Technical field
The present invention relates to a kind of dedusting demisting integrated apparatus, and in particular to a kind of desulfurizing tower dust grow up merging dedusting remove
Mist integrated apparatus, belong to flue gas ash removal demisting technical field.
Background technology
At present, China's Desulphurization for Coal-fired Power Plant technique more than 90% uses Limestone-gypsum Wet Flue Gas Desulfurization Process technique, in desulfurizing tower
Top is installed demister and comes demisting and dedusting, with the continuous propulsion of coal-fired plant flue gas pollutant minimum discharge, how to be realized
High-effective dust-removing has turned into study hotspot and difficult point at this stage.At present, Treatment process route is cooperateed with to realize flue dust using flue gas
5mg/Nm3Minimum discharge increasingly become main flow, the technology path realizes that the successful key of flue dust minimum discharge is exactly to improve
The collaboration dust collection capacity of wet desulfuration tower, it is ensured that desulfurizing tower outlet flue dust meets minimum discharge requirement；Current desulfurizing tower dedusting master
To rely on the centrifugation of the cleaning function and mechanical demister of sprayed slurry；Conventional mechanical demister, is based on used
Property collision theory is removed to dust and droplet, and its cut diameter is about 20 μm, to more than 20 μm of dust and gypsum of particle diameter
Droplet removal efficiency is more than 99%, and relatively low to the dust and gypsum droplet removal efficiency below 20 μm of particle diameter so that desulfurizing tower
A large amount of fine solid particles and gypsum droplet are unavoidably carried in exiting flue gas, easily triggers chimney gypsum rain phenomenon.Accordingly, it would be desirable to
Develop the novel dust removing demisting of a kind of fine solid particle that can effectively reduce in desulfurizing tower exiting flue gas and gypsum droplet content
Device.
The content of the invention
Being grown up it is an object of the invention to provide a kind of desulfurizing tower dust, it is de- to improve to merge dedusting demisting integrated apparatus
Sulphur tower cooperates with dust collection capacity, is difficult to remove the thin of (especially PM2.5) below 20 μm of particle diameter to solve conventional mechanical formula demister
The problem of micro mist dirt and gypsum droplet.
A kind of desulfurizing tower dust merging dedusting demisting integrated apparatus of growing up include that desulfurizing tower, first order ridge type are removed
Day with fog, Venturi washer, second level ridge type demister, third level ridge type demister and the Water spray circulatory system,
The Water spray circulatory system includes rising gas cap backwater layer, Water spray layer, cyclic water tank and water circulating pump；
First order ridge type demister is arranged on the top in desulfurizing tower, and first order ridge type demister top is installed successively
There are a liter gas cap backwater layer, Venturi washer, Water spray layer, second level ridge type demister and third level ridge type demisting
Device；The outside of desulfurizing tower is provided with cyclic water tank, rises gas cap backwater layer and is connected with cyclic water tank by water return pipeline, rises gas cap backwater
Layer rises gas cap and constitutes by multiple；Cyclic water tank is connected by circulating water line with Water spray layer, and Water spray layer is by pipeline and multiple
Atomizer is constituted, and water circulating pump is arranged on circulating water line.
Preferably：Venturi washer is made up of the tube bank of diameter identical, and tube bank is equidistantly arranged in desulfurizing tower.
Preferably：The atomizer of Water spray layer is arranged in Venturi washer top, position and new text
Washer is corresponding in mound, and nozzle spray direction downwards, is contacted with flue gas adverse current, and spray angle is 90 °~120 °, the water of spray
Drop particle diameter is 100 μm~300 μm.
Preferably：The underface that gas cap backwater layer is located at Venturi washer is risen, the lower plane of gas cap backwater layer is risen
With angle of inclination.
Preferably：Cyclic water tank is provided with jacking stirrer, the top and bottom of cyclic water tank be also respectively communicated with into
Water lines and recirculated water discharge pipe line, recirculated water discharge pipe line are provided with recirculated water excavationg pump.
The present invention has the following effects that compared with existing product：Simple and reliable, investment operating cost is low, can effectively improve
Desulfurizing tower cooperates with dust collection capacity, and the gypsum carrying amount in desulfurizing tower exiting flue gas can be greatly reduced, so as to thoroughly eliminate
Chimney gypsum rain phenomenon.
Brief description of the drawings
Fig. 1 be a kind of desulfurizing tower dust of the present invention grow up merge dedusting demisting integrated apparatus structural representation
Figure；
Fig. 2 is the A sectional views of A mono- of Fig. 1；
Fig. 3 is the B sectional views of B mono- of Fig. 1.
In figure：1- desulfurizing towers, 2- first order ridge types demister, 3- rise gas cap backwater layer, 4- Venturis washer,
5- Water sprays layer, 6- second level ridge type demister, 7- third level ridge types demister, 8- cyclic water tanks, 9- water circulating pumps,
10- recirculated water excavationg pumps.
Specific embodiment
The preferred embodiment of the present invention is elaborated below according to accompanying drawing.
As shown in Figure 1 to Figure 3, a kind of desulfurizing tower dust of the present invention is grown up and merges dedusting demisting integrated apparatus bag
Include desulfurizing tower 1, first order ridge type demister 2, Venturi washer 4, second level ridge type demister 6, third level room
Ridge formula demister 7 and the Water spray circulatory system,
The Water spray circulatory system includes rising gas cap backwater layer 3, Water spray layer 5, cyclic water tank 8 and water circulating pump 9；
The first order ridge type demister 2 is arranged on the top in desulfurizing tower 1, the top of first order ridge type demister 2
It is sequentially installed with liter gas cap backwater layer 3, Venturi washer 4, Water spray layer 5, second level ridge type demister 6 and the 3rd
Level ridge type demister 7；The outside of desulfurizing tower 1 is provided with cyclic water tank 8, rises gas cap backwater layer 3 and passes through water return pipeline and recirculated water
Case 8 is connected, and is risen gas cap backwater layer 3 and is made up of multiple liter gas cap；Cyclic water tank 8 is connected by circulating water line with Water spray layer 5,
Water spray layer 5 is made up of pipeline and multiple atomizers, and water circulating pump 9 is arranged on circulating water line；Venturi is washed
Device 4 is made up of the tube bank of diameter identical, and tube bank is equidistantly arranged in desulfurizing tower 1, and flue gas flow velocity after Venturi scrubber is carried
Up to 10m/s~40m/s；The atomizer of Water spray layer 5 is arranged in the top of Venturi washer 4, position with it is new
Type Venturi scrubber 4 is corresponding, and nozzle spray direction downwards, is contacted with flue gas adverse current, and spray angle is 90 °~120 °, spray
The drop particle diameter of pouring is 100 μm~300 μm, and the water that Water spray layer is produced drains into cyclic water tank by a liter gas cap osculum, and circulation makes
With；The underface that gas cap backwater layer 3 is located at Venturi washer 4 is risen, the lower plane for rising gas cap backwater layer 3 has inclination angle
Degree, prevents dust-laden liquid deposition, and passes back into cyclic water tank by circulation line after current are collected into collection, recycles；
Cyclic water tank 8 is provided with jacking stirrer, and the top and bottom of cyclic water tank 8 have also been respectively communicated with inlet pipeline and recirculated water
Discharge pipe line, recirculated water discharge pipe line is provided with recirculated water excavationg pump 10.
A kind of desulfurizing tower dust of the present invention is grown up and merges dedusting demisting integrated apparatus, and the device is arranged on desulfurization
On tower top layer absorbent slurry spraying layer, the first ridge type demister is first passed through by the wet flue gas of absorbent slurry spraying layer
After 2, particle diameter can be removed more than more than 50 μm dust and gypsum droplet；Subsequent flue gas enters promoting the circulation of qi by rising gas cap backwater layer 3
Liquid is separated, and Venturi washer 4 and Water spray layer 5 is again passed through by the flue gas of liter gas cap, using high-head single fluid
Nozzle carries out Water spray, and up to 100~300 μm or so, water smoke drips by Venturi washer 4 the water mist droplet particle size of formation
The smaller droplet of particle diameter can be atomized into afterwards, in wet flue gas dust and gypsum droplet in the presence of Venturi washer 4, with
Big droplet of the coalescence into particle diameter more than 20 μm after water droplets collision, last flue gas is successively removed by second level ridge type
Day with fog 6 and third level ridge type demister 7, being divided the merging of having grown up carried in flue gas containing dust and gypsum droplet
Level efficiently removal.
Present embodiment is the exemplary illustration to this patent, does not limit its protection domain, people in the art
Member can also be changed to its part, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.
Claims (5)
1. a kind of desulfurizing tower dust is grown up and merges dedusting demisting integrated apparatus, it is characterised in that：Including desulfurizing tower (1), first
Level ridge type demister (2), Venturi washer (4), second level ridge type demister (6), third level ridge type demisting
Device (7) and the Water spray circulatory system,
The Water spray circulatory system includes rising gas cap backwater layer (3), Water spray layer (5), cyclic water tank (8) and water circulating pump (9)；
Top of the first order ridge type demister (2) in desulfurizing tower (1), on first order ridge type demister (2)
Side is sequentially installed with liter gas cap backwater layer (3), Venturi washer (4), Water spray layer (5), second level ridge type demisting
Device (6) and third level ridge type demister (7)；The outside of desulfurizing tower (1) is provided with cyclic water tank (8), rises gas cap backwater layer (3) and leads to
Cross water return pipeline to be connected with cyclic water tank (8), rise gas cap backwater layer (3) and be made up of multiple liter gas cap；Cyclic water tank (8) is by following
Ring water lines are connected with Water spray layer (5), and Water spray layer (5) is made up of pipeline and multiple atomizers, and water circulating pump (9) is installed
On circulating water line.
2. a kind of desulfurizing tower dust according to claim 1 is grown up and merges dedusting demisting integrated apparatus, it is characterised in that：
Venturi washer (4) is made up of the tube bank of diameter identical, and tube bank is equidistantly arranged in desulfurizing tower (1).
3. a kind of desulfurizing tower dust according to claim 1 and 2 is grown up and merges dedusting demisting integrated apparatus, and its feature exists
In：The atomizer of Water spray layer (5) is arranged in Venturi washer (4) top, and position is washed with Venturi
Wash device (4) corresponding, nozzle spray direction downwards, is contacted with flue gas adverse current, spray angle is 90 °~120 °, the water droplet of spray
Particle diameter is 100 μm~300 μm.
4. a kind of desulfurizing tower dust according to claim 3 is grown up and merges dedusting demisting integrated apparatus, it is characterised in that：
Gas cap backwater layer (3) is risen positioned at the underface of Venturi washer (4), the lower plane of gas cap backwater layer (3) is risen and is had and incline
Rake angle.
5. a kind of desulfurizing tower dust according to claim 4 is grown up and merges dedusting demisting integrated apparatus, it is characterised in that：
Cyclic water tank (8) is provided with jacking stirrer, and the top and bottom of cyclic water tank (8) have also been respectively communicated with inlet pipeline and have followed
Ring water discharge pipe line, recirculated water discharge pipe line is provided with recirculated water excavationg pump (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100240.2A CN106731422A (en) | 2017-02-23 | 2017-02-23 | A kind of desulfurizing tower dust is grown up and merges dedusting demisting integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100240.2A CN106731422A (en) | 2017-02-23 | 2017-02-23 | A kind of desulfurizing tower dust is grown up and merges dedusting demisting integrated apparatus |
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| Publication Number | Publication Date |
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| CN106731422A true CN106731422A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710100240.2A Pending CN106731422A (en) | 2017-02-23 | 2017-02-23 | A kind of desulfurizing tower dust is grown up and merges dedusting demisting integrated apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469609A (en) * | 2017-09-06 | 2017-12-15 | 杭州小橙工业设计有限公司 | A kind of full-automatic desulphurization system |
| CN107998873A (en) * | 2018-01-04 | 2018-05-08 | 北京实力伟业环保科技有限公司 | The device of Biochemical method viscose rayon industry sulphur-containing exhaust gas |
| CN108905553A (en) * | 2018-08-27 | 2018-11-30 | 四川君和环保股份有限公司 | One kind being used for the ultralow arranging device of steel industry fume treatment |
| CN108905580A (en) * | 2018-08-13 | 2018-11-30 | 中国华电集团科学技术研究总院有限公司 | A kind of wet desulfuration tower configuring ridge type pallet |
| CN109181785A (en) * | 2018-09-30 | 2019-01-11 | 胡自然 | A kind of coke oven gas desulfurization tower |
| CN111420470A (en) * | 2020-05-12 | 2020-07-17 | 广州松和环保科技有限公司 | A dedusting and demisting device based on wet desulfurization |
| CN112999816A (en) * | 2021-03-23 | 2021-06-22 | 攀钢集团西昌钢钒有限公司 | Wet flue gas desulfurization dust removal defogging device |
| CN118751057A (en) * | 2024-07-25 | 2024-10-11 | 中化环境大气治理股份有限公司 | A device for controlling ultra-low emission of particulate matter in catalytic cracking flue gas |
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| CN201873654U (en) * | 2010-12-06 | 2011-06-22 | 贵州兴化化工股份有限公司 | Dust removing and cooling device for semi-water gas |
| CN202538627U (en) * | 2011-12-27 | 2012-11-21 | 合肥宁垣工程技术有限责任公司 | Device for removing desulfurization and denitration aerosol |
| CN203725021U (en) * | 2014-02-27 | 2014-07-23 | 青岛华拓科技股份有限公司 | Efficient integrated desulfurizing, dedusting and demisting device |
| CN206473972U (en) * | 2017-02-23 | 2017-09-08 | 哈尔滨锅炉厂环保工程技术有限公司 | A kind of desulfurizing tower dust, which is grown up, merges dedusting demisting integrated apparatus |
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Patent Citations (4)
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|---|---|---|---|---|
| CN201873654U (en) * | 2010-12-06 | 2011-06-22 | 贵州兴化化工股份有限公司 | Dust removing and cooling device for semi-water gas |
| CN202538627U (en) * | 2011-12-27 | 2012-11-21 | 合肥宁垣工程技术有限责任公司 | Device for removing desulfurization and denitration aerosol |
| CN203725021U (en) * | 2014-02-27 | 2014-07-23 | 青岛华拓科技股份有限公司 | Efficient integrated desulfurizing, dedusting and demisting device |
| CN206473972U (en) * | 2017-02-23 | 2017-09-08 | 哈尔滨锅炉厂环保工程技术有限公司 | A kind of desulfurizing tower dust, which is grown up, merges dedusting demisting integrated apparatus |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469609A (en) * | 2017-09-06 | 2017-12-15 | 杭州小橙工业设计有限公司 | A kind of full-automatic desulphurization system |
| CN107998873A (en) * | 2018-01-04 | 2018-05-08 | 北京实力伟业环保科技有限公司 | The device of Biochemical method viscose rayon industry sulphur-containing exhaust gas |
| CN108905580A (en) * | 2018-08-13 | 2018-11-30 | 中国华电集团科学技术研究总院有限公司 | A kind of wet desulfuration tower configuring ridge type pallet |
| CN108905580B (en) * | 2018-08-13 | 2024-03-19 | 中国华电集团科学技术研究总院有限公司 | Wet desulfurization tower provided with ridge type tray |
| CN108905553A (en) * | 2018-08-27 | 2018-11-30 | 四川君和环保股份有限公司 | One kind being used for the ultralow arranging device of steel industry fume treatment |
| CN109181785A (en) * | 2018-09-30 | 2019-01-11 | 胡自然 | A kind of coke oven gas desulfurization tower |
| CN109181785B (en) * | 2018-09-30 | 2020-08-18 | 迁安市宏奥工贸有限公司 | Coke oven gas desulfurizing tower |
| CN111420470A (en) * | 2020-05-12 | 2020-07-17 | 广州松和环保科技有限公司 | A dedusting and demisting device based on wet desulfurization |
| CN111420470B (en) * | 2020-05-12 | 2025-01-28 | 广州松和环保科技股份有限公司 | A dust removal and demisting device based on wet desulfurization |
| CN112999816A (en) * | 2021-03-23 | 2021-06-22 | 攀钢集团西昌钢钒有限公司 | Wet flue gas desulfurization dust removal defogging device |
| CN118751057A (en) * | 2024-07-25 | 2024-10-11 | 中化环境大气治理股份有限公司 | A device for controlling ultra-low emission of particulate matter in catalytic cracking flue gas |
| CN118751057B (en) * | 2024-07-25 | 2025-01-21 | 中化环境大气治理股份有限公司 | A device for controlling ultra-low emission of particulate matter in catalytic cracking flue gas |
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Application publication date: 20170531 |