CN108201787A - A kind of Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device - Google Patents
A kind of Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device Download PDFInfo
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- CN108201787A CN108201787A CN201810169194.6A CN201810169194A CN108201787A CN 108201787 A CN108201787 A CN 108201787A CN 201810169194 A CN201810169194 A CN 201810169194A CN 108201787 A CN108201787 A CN 108201787A
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- turbulent flow
- turbulator
- absorption tower
- minimum discharge
- way cycle
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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
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
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- 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
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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
- B01D53/48—Sulfur compounds
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- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
The present invention relates to a kind of wet method sulphur removing and dust removing technology devices, specifically a kind of Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device, the first absorption tower and second absorption tower including concatenation, it is characterized in that, first Multi-layer sprinkling device and the first turbulator are set from top to bottom in the first absorption tower, and first turbulator is arranged on above the first gas inlet；Set gradually board-like demister, tubular demister, the second Multi-layer sprinkling device and the second turbulator from top to bottom in second absorption tower, second turbulator is located above the second gas inlet.System and subsidiary engine investment can be greatly reduced in the present invention, and easily operated, steady production is with good economic efficiency, environmental benefit and social benefit.
Description
Present application for patent is advocated application No. is " 201710964635.7 ", entitled " a kind of Two-way Cycle turbulent flow desulfurization removes
The priority of dirt minimum discharge device ", the applying date for the Chinese invention patent application of " 2017.10.17 ".
Technical field
The present invention relates to a kind of wet method sulphur removing and dust removing technology device, specifically a kind of Two-way Cycle turbulent flow desulfation dust-extraction device.
Background technology
In the 1970s, wet flue gas desulfurizer is born, but there is the problems such as easily blocking, and comprehensive effect in device in itself
Rate is low.Until in the 1980s, increasingly stringent discharge standard has promoted the further development of desulfurization technology and has promoted.Wet method
The major processes of flue gas desulfurization are limestone/gypsum methods, and the technology is further changed with its unique advantage at this stage
Kind and raising, and have been more and more widely used.
The desulfurization and dedusting minimum discharge technology of mainstream mainly has following several in the market：Single column Two-way Cycle or double tower Two-way Cycle
Technology, double bracket disk technology, single column two-region (3rd areas) technology, rotation remittance coupling technique etc., especially spray system in desulfurizing tower core component
On system, using enhanced spray system design (such as increase spraying layer, improve coverage rate, raising liquid-gas ratio).Wherein, single column
The main flow of Two-way Cycle or double tower Two-way Cycle technology is as follows：It is (double using single column that flue gas enters desulphurization system after air-introduced machine
Cycle or double tower Two-way Cycle), the then qualified discharge after wet electrical dust precipitator.This kind of scheme desulphurization system is increases liquid-gas ratio
Setting circulating pump quantity is more, and electric load is very big, and dust pelletizing system uses wet electrical dust precipitator, and investment cost is larger.
Authorization Notice No. is that the Chinese patent of CN205517232U discloses a kind of energy-saving desulfuration dedusting minimum discharge one
Makeup is put, and including desulfurizing tower, calcium plaster liquid pool and lime white liquid pool, the top of desulfurizing tower is equipped with flue outlet, under flue outlet
Side is equipped with demister, and wet type boundling cyclone dust is equipped with below demister, three layers of rotation are equipped in wet type boundling cyclone dust
Flowing plate, several bundle pipes and card, bundle pipes are distributed on three layers of spiral board, and the side of desulfurizing tower is equipped with flue entrance, flue
Upper curved plate and lower curved plate are equipped in entrance, upper curved plate and lower curved plate form " S " type aditus laryngis in flue entrance, and desulfurization tower bottom is set
There is digester, internal circulation system is equipped in desulfurizing tower, internal circulation system includes three layers of spray equipment and desulfuration recycle pump.This practicality
The novel one kind that provides is simple in structure, easy to use, and can greatly improve the effect of dust-removal and desulfurizing, reduces desulfurization liquefaction ratio,
Soot emissions is made to reach the energy-saving desulfuration dedusting minimum discharge integrated apparatus of minimum discharge standard.
Authorization Notice No. is that the Chinese patent of CN203355600U discloses a kind of wet desulphurization turbulator device, including
One turbulator, which is characterized in that the turbulator is built-in with multiple turbulent flow, is closely connected by welding between turbulent flow
It connects, the turbulator bottom is fixed by the supporting beam that two " ten " shape are distributed, and holds entire turbulator structure；The rapids
Stream is made of outer barrel, inner cylinder, blade and inner cylinder upside blind plate；The outer barrel of turbulent flow is polygon cylinder, interior
Cylinder is cylinder, is connected between inner cylinder and outer barrel by multiple equally distributed blades；The blade is skewed
It is uniformly distributed, blade plane is 10 ° -30 ° with inner cylinder bottom surface angle α；The turbulator is made of anticorrosion material.This
Utility model is simple in structure, arrangement it is compacter, overcome round turbulator structure existing for Dead Core Problems, further increase
Gas-liquid mass transfer effect in tower, and with characteristics such as acid/alkali-corrosion-resistants, be suitably applied in wet desulfurization system.
Authorization Notice No. discloses a kind of turbulent flow for wet flue gas desulfurization for the Chinese patent of CN201361520Y and takes off
Sulphur tower, by tower body, smoke inlet, spraying layer, demister, exhanst gas outlet composition, it is characterized in that, smoke inlet and spraying layer it
Between turbulent flow generator is installed, be installed with spraying layer and desulfurization slurry nozzle above turbulent flow generator, be demister above spraying layer,
Sprinkler head is equipped with above demister, tower body top is exhanst gas outlet.Turbulent flow generator as described above, by bearing pipe support and turbulent flow
Tube layer is formed, and the turbulent pipe of turbulent flow tube layer is in ellipsoid, and the ratio of cross circular section arc radius R and straight line segment length H is 1~3, composition
Turbulent flow generator percent opening be 20%~50%.Advantage is, using turbulent flow generator, to greatly improve the effect of gas-liquid mass transfer
Fruit improves the effect of desulfurization in the case where loss certain pressure, other conditions are constant.It without filler, is not easy to plug, structure
Compact, efficient, operating flexibility is big, adaptable.Suitable for the turbulence desulfurization tower of wet flue gas desulfurization.
Authorization Notice No. is that the Chinese patent of CN203379797U discloses a kind of desulfurizer with turbulator, including tower
Body is provided with exhanst gas outlet (5), demister (6), spraying layer (7), smoke inlet (9), slurry pool in tower body from top to bottom
(10), it is characterised in that the turbulator layer (8) being uniformly made of several turbulators, the turbulator layer (8) are also set up in tower body
Below the spraying layer (7), above smoke inlet (9).The utility model can not only be effectively increased the flue gas in tower
Turbulence effects increase contact area and the time of contact of flue gas and absorbing liquid, enhance desulfurization effect；Meanwhile in the turbulator
The phenomenon that blade of distorted shape can prevent the blade of turbulator from generating high vibration under impact of the flue gas with absorbing slurries, increases
Add the stability of turbulent systems, reduce flue gas resistance, the stability of entire desulphurization system is promoted to run.Meanwhile the device uses
Novel high-strength, resistant material make, can long-term stable operation.
Above-mentioned patent is cited in full text as the application background technology in this.
Invention content
The present invention provides a kind of Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device, and system can be greatly reduced and subsidiary engine is thrown
Money, easily operated, steady production is with good economic efficiency, environmental benefit and social benefit.
It is of the invention specific the technical solution adopted is that：
A kind of Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device, the first absorption tower and second absorption tower including concatenation,
It is characterized in that set from top to bottom in the first absorption tower the first exhanst gas outlet, the first Multi-layer sprinkling device, the first turbulator and
First smoke inlet；Set gradually the second exhanst gas outlet, demister, the second Multi-layer sprinkling dress from top to bottom in second absorption tower
It puts, the second turbulator and the second exhanst gas outlet, the first exhanst gas outlet are connect with the second smoke inlet.
Wherein, spray liquid is alkaline slurry in the first Multi-layer sprinkling device, and spray liquid is water in the second Multi-layer sprinkling device
Or alkaline slurry；Preferably, the alkaline slurry is saturated limewater.
In the present invention, air-introduced machine is further included, air-introduced machine connects the first smoke inlet by gas phase pipeline.
Preferably, the demister includes tube bank demister and/or flat defogger.
Further, first turbulator and the second turbulator include support plate and multiple turbulent flow blades, described
Support plate is discrete to set multiple air ducts, and turbulent flow blade is respectively provided in the air duct.
The brief course of work of the present invention is：Sulfur-bearing ash-laden gas enters the first absorption tower from air-introduced machine, successively by the
The first turbulator, the first Multi-layer sprinkling device in one absorption tower enter second absorption tower；Into second absorption tower flue gas according to
It is up to standard after secondary the second turbulator by second absorption tower, the second Multi-layer sprinkling device, tube bank demister and flat defogger
Discharge.
Compared with prior art, the advantage of the invention is that：
1st, circulation fluid turbulent flow technology is used in inventive desulfurization absorption tower, reduces and absorbs tower height degree, it is molten to reduce desulfurization
Agent internal circulating load, drastically reduces power load, and desulfuration efficiency increases substantially；
2nd, dust pelletizing system uses bundled tube demister and flat defogger, using neutral solution circular flow, system structure
Simply, neutral solution tower does not block, and dust cleaning performance is good, and well below Shandong Province's minimum discharge standard, operating cost reduces；
3rd, the technique is big to the flue gas concentration of dust accommodation elasticity after electric precipitation, and dust is less than 65mg/m3It can be into
Excess of imports low discharging system；
4th, it is dusted using neutral solution, without upper traditional boiler chimney titanium steel inner cylinder anticorrosion equipment, chimney investment is big
Width reduces.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Specific embodiment
As shown in Figure 1, sulfur-bearing ash-laden gas enters the first absorption tower 2, in the first absorption tower 2, cigarette by air-introduced machine 1
Gas enters the through the first turbulator 4, the first Multi-layer sprinkling device (be divided into three layers, be 5-1,5-2,5-3) by exhanst gas outlet 6
Two absorption towers 7, first turbulator 4 is located above the first smoke inlet 3 in the first absorption tower 2.
Flue gas enters the second turbulator 9, the second Multi-layer sprinkling passed sequentially through in second absorption tower after second absorption tower 7 and fills
It puts and (is divided into two layers, be 13-1,13-2), after tube bank demister 10 and flat defogger 11, it is up to standard by the second exhanst gas outlet 12
Discharge, wherein, the second turbulator 9 is located at 8 top of the second smoke inlet.
Claims (6)
1. a kind of Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device, the first absorption tower and second absorption tower including concatenation,
It is characterized in, the first exhanst gas outlet, the first Multi-layer sprinkling device, the first turbulator and is set from top to bottom in the first absorption tower
One smoke inlet；Set gradually the second exhanst gas outlet, demister, the second Multi-layer sprinkling dress from top to bottom in second absorption tower
It puts, the second turbulator and the second exhanst gas outlet, the first exhanst gas outlet are connect with the second smoke inlet.
2. Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device according to claim 1, it is characterized in that, the first Multi-layer sprinkling
Spray liquid is alkaline slurry in device, and spray liquid is water or alkaline slurry in the second Multi-layer sprinkling device.
3. Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device according to claim 2, it is characterized in that, the alkaline slurry
For saturated limewater.
4. Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device according to claim 1, it is characterized in that, further include air inducing
Machine, air-introduced machine connect the first smoke inlet by gas phase pipeline.
5. Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device according to claim 1, it is characterized in that, the demister packet
Include tube bank demister and/or flat defogger.
6. Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device according to claim 1, it is characterized in that, first turbulent flow
Device and the second turbulator include support plate and multiple turbulent flow blades, the discrete multiple air ducts of setting of support plate, the air duct
Inside it is respectively provided with turbulent flow blade.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710964635 | 2017-10-17 | ||
| CN2017109646357 | 2017-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108201787A true CN108201787A (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810169194.6A Pending CN108201787A (en) | 2017-10-17 | 2018-02-28 | A kind of Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device |
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| CN (1) | CN108201787A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109925877A (en) * | 2019-04-03 | 2019-06-25 | 四川大学 | A kind of ceramic kiln flue gas multiple pollutant collaboration governing system |
| CN110102163A (en) * | 2019-06-17 | 2019-08-09 | 辽宁宏达环保科技有限公司 | A kind of desulfation dust-extraction device and desulfurization and dust-removal method of industrial waste gas |
| CN110368792A (en) * | 2019-08-19 | 2019-10-25 | 北京首钢国际工程技术有限公司 | A kind of double tower Two-way Cycle wet desulphurization device for wearing series-parallel flue |
Citations (4)
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|---|---|---|---|---|
| CN201361520Y (en) * | 2008-10-31 | 2009-12-16 | 六合天融（北京）环保科技有限公司 | Turbulence desulfurization tower for wet flue gas desulfurization |
| CN104474878A (en) * | 2014-12-21 | 2015-04-01 | 赵民 | Double-tower double-medium energy-saving high-efficiency flue gas desulfurization dust-removal combined device |
| KR20150091842A (en) * | 2014-02-04 | 2015-08-12 | 한국남부발전 주식회사 | Flue gas desulfurizer for thermoelectric power plant |
| CN206454476U (en) * | 2016-12-29 | 2017-09-01 | 江西金世纪新材料股份有限公司 | A kind of tail gas desulfurization dust arrester of use Rare Earth Production neodymia |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201361520Y (en) * | 2008-10-31 | 2009-12-16 | 六合天融（北京）环保科技有限公司 | Turbulence desulfurization tower for wet flue gas desulfurization |
| KR20150091842A (en) * | 2014-02-04 | 2015-08-12 | 한국남부발전 주식회사 | Flue gas desulfurizer for thermoelectric power plant |
| CN104474878A (en) * | 2014-12-21 | 2015-04-01 | 赵民 | Double-tower double-medium energy-saving high-efficiency flue gas desulfurization dust-removal combined device |
| CN206454476U (en) * | 2016-12-29 | 2017-09-01 | 江西金世纪新材料股份有限公司 | A kind of tail gas desulfurization dust arrester of use Rare Earth Production neodymia |
Non-Patent Citations (2)
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| 张伟等: "脱硫超低排放技术改造及经济性分析", 《东北电力技术》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109925877A (en) * | 2019-04-03 | 2019-06-25 | 四川大学 | A kind of ceramic kiln flue gas multiple pollutant collaboration governing system |
| CN110102163A (en) * | 2019-06-17 | 2019-08-09 | 辽宁宏达环保科技有限公司 | A kind of desulfation dust-extraction device and desulfurization and dust-removal method of industrial waste gas |
| CN110368792A (en) * | 2019-08-19 | 2019-10-25 | 北京首钢国际工程技术有限公司 | A kind of double tower Two-way Cycle wet desulphurization device for wearing series-parallel flue |
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Application publication date: 20180626 |
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