CN201380033Y - Spraying type tower for flue gas desulfurization and absorption by magnesium - Google Patents
Spraying type tower for flue gas desulfurization and absorption by magnesium Download PDFInfo
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- CN201380033Y CN201380033Y CN200920004086U CN200920004086U CN201380033Y CN 201380033 Y CN201380033 Y CN 201380033Y CN 200920004086 U CN200920004086 U CN 200920004086U CN 200920004086 U CN200920004086 U CN 200920004086U CN 201380033 Y CN201380033 Y CN 201380033Y
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- flue gas
- demister
- slurries
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Abstract
The utility model relates to a spraying type tower for flue gas desulfurization and absorption by magnesium, mainly comprising a flue gas outlet, a demister, demister flushing water pipes, spraying layers, a liquid redistributor, a gas distribution plate, a flue gas inlet, an oxidizing tank and a tower body from top to bottom. The spraying absorbing tower is characterized in that the oxidizing tank consists of a stirrer, an oxidizing aerating pipe, a circulating absorbing slurry outlet, a fresh absorbing slurry supplementing opening and a slurry drainage opening; the liquid redistributor is an annular downwards-inclined plate which is fixed on the wall of the tower body and is connected to same in a sealing way; the gas distribution plate is a porous plate; two flue gas inlets of the tower body are symmetrically distributed on two sides of the tower body and are tangentially connected with the tower body in a downwards-inclined direction; the slurry drainage opening is arranged on the conical bottom of the tower body; the demister is arranged between the demister flushing water pipes; and the liquid redistributor is arranged between the two spraying layers. The utility model improves the absorbing slurry utilization ratio and the flue gas desulfurization efficiency.
Description
Technical field:
The utility model relates to the flue gas desulfurization technique field.Particularly relate to a kind of magnesium method flue gas desulphurization spray absorber.
Background technology:
In existing flue gas desulfurization technique field, mainly divide into two kinds of calcium method flue gas desulfurization technique and magnesium method flue gas desulphurization technologies by the difference of desulfurizing agent, compare with calcium method flue gas desulfurization technique, the operation of magnesium method flue gas desulphurization technology need be than the less absorbent consumption of calcium method flue gas desulfurization technique operation, the dissolubility of magnesium base absorbant and reactivity all are better than calcium-base absorbing agent, it is simple that magnesium method flue gas desulphurization technology has equipment, small investment, advantages such as floor space is less relatively and being widely used, in magnesium method flue gas desulphurization technology, flue gas desulfurization sprinkle absorbing tower is the device of most critical.This device mainly contains tower body, smoke inlet, exhanst gas outlet, spraying layer, demister; Oxidation pond, flushing water pipeline, slurries efflux compositions such as mouth, and its operation principle is: flue gas enters spray absorber and absorb SO under the effect of spray absorption liquid
2After drop to that to carry out oxidation processes in the oxidation pond of absorption tower be sulfate or sulfuric acid to transform sulphite or sulfurous acid, in the spray absorption process, key is to keep gas-liquid flow field distribution uniformly and absorption liquid sprinkle density in the tower, to improve the validity of gas-liquid contact, guarantee the necessary condition of absorption reaction matter; But because single smoke inlet causes the asymmetry of gas flowfield, make that the Flow Field Distribution of gas in the absorption tower is inhomogeneous, its inhomogeneities is particularly evident at Bian Bichu, and absorption liquid is pasting the tower wall and flows in the absorption tower, cause wall stream, reduced the utilization rate and the desulfuration efficiency of absorption liquid.
Summary of the invention:
The purpose of this utility model provides a kind of utilization rate and high magnesium method flue gas desulphurization spray absorber of smoke desulfurization efficiency of absorption liquid.
The technical scheme that the invention for solving the technical problem adopted is: a kind of magnesium method flue gas desulphurization spray absorber is provided, mainly by arrange from top to bottom, exhanst gas outlet, demister, demister flushing water pipeline, spraying layer, liquid re-distributor, gas distribution grid, smoke inlet, oxidation pond, tower body are formed, and feature is: oxidation pond is effluxed mouth and is formed by agitator, oxidation aeration tube, the absorption slurries outlet that circulates, additional mouthful of fresh absorption slurries, slurries; Liquid re-distributor is the ring-type hang plate that is fixed on the tower body wall, and hang plate and Ta Bichu are tightly connected, and plate is downward-sloping; Gas distribution grid is a porous plate; Two smoke inlets of tower body are symmetrically distributed in the both sides of tower body, and smoke inlet is with tangential and be tilted to following direction connection tower body; Slurries efflux mouth and are positioned at tower body awl bottom; Its feature also is: described demister is arranged between the demister flushing water pipeline; Described liquid re-distributor be arranged in spraying layer two-layer between.
The beneficial effects of the utility model are: owing to adopt two smoke inlet symmetric arrangement modes to make flue gas go into flow field symmetry behind the tower, behind the porous gas distribution grid, gas flowfield is more evenly distributed, adopt liquid re-distributor, spraying layer, demister, gas distribution grid, oxidation pond, agitator, oxidation aeration tube structure, improved the absorption liquid utilization rate and the smoke desulfurization efficiency of desulfuration absorbing tower.
Description of drawings:
Fig. 1 is the structural representation of a kind of magnesium method flue gas desulphurization spray absorber of the utility model embodiment.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is the vertical view of sequence number 3 gas distribution grids.
In the accompanying drawing: 1. smoke inlet; 2. smoke inlet; 3. gas distribution grid; 4. spraying layer; 5. spraying layer; 6. spraying layer; 7. liquid re-distributor; 8. demister; 9. demister; 10. demister flushing water pipeline; 11. exhanst gas outlet; 12. oxidation pond; 13. agitator; 14. oxidation aeration tube; 15. circulation absorbs the slurries outlet; 16. fresh absorption slurries replenish mouth; 17. slurries efflux mouth.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model embodiment is described in further detail: a kind of magnesium method flue gas desulphurization spray absorber as shown in Figure 1, mainly by smoke inlet 1,2, gas distribution grid 3, spraying layer 4,5,6, liquid re-distributor 7, demister 8,9, demister flushing water pipeline 10, exhanst gas outlet 11, oxidation pond 12, agitator 13, oxidation aeration tube 14, the absorption slurries outlet 15 that circulates, fresh absorption slurries replenish mouth 16, slurries efflux mouth 17, tower body 18 compositions.Spraying layer is three layers, demister flushing water pipeline 10 is three layers, demister 8,9 is arranged between the demister flushing water pipeline 10, spraying layer 4,5,6 is arranged in the top of gas distribution grid 3, liquid re-distributor 7 is for being fixed on the ring-type hang plate on the tower wall, hang plate and Ta Bichu are tightly connected, plate is downward-sloping to be arranged between 5,6 layers of the spraying layers, is provided with in oxidation pond 12 that agitator 13, oxidation aeration tube 14, circulation absorb that slurries outlet 15, fresh absorption slurries replenish mouthfuls 16, slurries efflux mouthfuls 17.The absorption tower is furnished with exhanst gas outlet 11 from top to bottom successively, demister 9,8, demister flushing water system 10, spray absorbed layer 6,5,4, liquid re-distributor 7, gas distribution grid 3, smoke inlet 1,2, the agitator 13 of oxidation pond 12, oxidation pond inside, oxidation aeration tube 14, the absorption slurries outlet 15 that circulates, fresh absorption slurries replenish mouth 16, slurries efflux mouth 17.Smoke inlet 1,2 as shown in Figure 2 is that the spray absorber bilateral tangentially distributes symmetrically and evenly, and smoke inlet is with tangential and be tilted to following direction connection tower body; Gas distribution grid 3 as shown in Figure 3 is the porous type structure; The operation principle of magnesium method flue gas desulphurization spray absorber is: the flue gas of need handling enters the absorption tower from smoke inlet 1,2, and flue gas upwards operation is uniform through gas distribution grid 3, and absorption liquid is reverse contacts SO in the flue gas at spraying layer 4,5,6 and spray
2By spray absorption liquid absorbing and removing, remove SO
2Flue gas after the moisture that carries is removed at demister 8,9 places, discharge from exhanst gas outlet 11.Demister flushing water pipeline 10 provides fresh water (FW) flushing demister.Absorbed SO
2Absorption liquid flow under the influence of gravity into oxidation pond 12 at the bottom of the tower, under the stirring action of agitator 13, to be come from the air oxidation in the oxidation aeration tube 14 be sulfate to sulphite in the absorption liquid, the slurries that absorb slurries outlet 15 outflows through circulating pump into spraying layer becomes the spray absorption liquid, the SO of slurries in the oxidation pond
2Absorbability relies on fresh absorption slurries to replenish mouthfuls 16 and mends a magnesium hydroxide slurry of going into and keep, and the slurries of part slurries self-absorption tower awl bottom efflux mouthfuls 17 and efflux and supply subsequent treatment on the absorption tower in.
Claims (3)
1, a kind of magnesium method flue gas desulphurization spray absorber, mainly by arrange from top to bottom, exhanst gas outlet (11), demister (8,9), demister flushing water pipeline (10), spraying layer (4,5,6), liquid re-distributor (7), gas distribution grid (3), smoke inlet (1,2), oxidation pond (12), tower body (18) are formed, and feature is: oxidation pond (12) is effluxed mouthful (17) and is formed by agitator (13), oxidation aeration tube (14), circulation absorption slurries outlets (15), fresh absorption slurries additional mouthful (16), slurries; Liquid re-distributor (7) is for being fixed on the ring-type hang plate on tower body (18) wall, and hang plate and Ta Bichu are tightly connected, and plate is downward-sloping; Gas distribution grid (3) is a porous plate; Two smoke inlets (1,2) of tower body (18) are symmetrically distributed in the both sides of tower body, and smoke inlet (1,2) is with tangential and be tilted to following direction connection tower body (18); Slurries efflux mouthful (17) and are positioned at tower body (18) awl bottom.
2, a kind of magnesium method flue gas desulphurization spray absorber as claimed in claim 1, feature is: described demister (8,9) is arranged between the demister flushing water pipeline (10).
3, a kind of magnesium method flue gas desulphurization spray absorber as claimed in claim 1, feature is: described liquid re-distributor (7) is arranged between spraying layer (5, the 6) layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920004086U CN201380033Y (en) | 2009-02-01 | 2009-02-01 | Spraying type tower for flue gas desulfurization and absorption by magnesium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920004086U CN201380033Y (en) | 2009-02-01 | 2009-02-01 | Spraying type tower for flue gas desulfurization and absorption by magnesium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201380033Y true CN201380033Y (en) | 2010-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920004086U Expired - Lifetime CN201380033Y (en) | 2009-02-01 | 2009-02-01 | Spraying type tower for flue gas desulfurization and absorption by magnesium |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101874973A (en) * | 2010-06-25 | 2010-11-03 | 北京紫光威肯环保工程技术有限公司 | Boiler flue gas desulfurization device with conical tower bottom |
| CN102172465A (en) * | 2011-02-23 | 2011-09-07 | 天津大学 | Tangential distribution-type large-diameter multi-inlet gas distributor and application thereof in carbon dioxide adsorption tower |
| CN102179138A (en) * | 2011-03-16 | 2011-09-14 | 中钢集团天澄环保科技股份有限公司 | Liquid phase redistributor for spray towers |
| CN102228780A (en) * | 2011-07-18 | 2011-11-02 | 杨培灿 | Pneumatic flow dividing, spraying and desulfurizing equipment |
| CN103007666A (en) * | 2012-12-06 | 2013-04-03 | 广东天富电气集团有限公司 | Desulfurizing tower |
| CN103551099A (en) * | 2013-10-30 | 2014-02-05 | 江苏泰丰化工有限公司 | Spray absorber type carbonization reaction device for alkali balance in indigo production |
| CN104107628A (en) * | 2014-07-10 | 2014-10-22 | 中国神华能源股份有限公司 | Flue gas desulfurization equipment and method thereof |
| CN104177861A (en) * | 2013-11-06 | 2014-12-03 | 江苏泰丰化工有限公司 | Sodium-potassium ratio adjusting device of device for recovering mixed alkali from indigo products |
| CN104707446A (en) * | 2015-03-17 | 2015-06-17 | 安徽师范大学 | Device for treating industrial waste gas by spraying method |
| CN105311948A (en) * | 2014-07-30 | 2016-02-10 | 山西易通环保技术有限公司 | Multi-effect flue gas purification absorption tower |
| CN105396451A (en) * | 2015-12-03 | 2016-03-16 | 华北电力大学 | Process for cleaning alkali liquor in spray scrubber tower to effectively remove sulfur trioxide (SO3) |
| CN106659970A (en) * | 2015-03-16 | 2017-05-10 | 富士电机株式会社 | Exhaust gas treatment apparatus |
| CN106731620A (en) * | 2017-03-24 | 2017-05-31 | 合肥天翔环境工程有限公司 | A kind of spray desulfurizing tower |
-
2009
- 2009-02-01 CN CN200920004086U patent/CN201380033Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101874973A (en) * | 2010-06-25 | 2010-11-03 | 北京紫光威肯环保工程技术有限公司 | Boiler flue gas desulfurization device with conical tower bottom |
| CN102172465A (en) * | 2011-02-23 | 2011-09-07 | 天津大学 | Tangential distribution-type large-diameter multi-inlet gas distributor and application thereof in carbon dioxide adsorption tower |
| CN102179138A (en) * | 2011-03-16 | 2011-09-14 | 中钢集团天澄环保科技股份有限公司 | Liquid phase redistributor for spray towers |
| CN102228780A (en) * | 2011-07-18 | 2011-11-02 | 杨培灿 | Pneumatic flow dividing, spraying and desulfurizing equipment |
| CN102228780B (en) * | 2011-07-18 | 2013-05-29 | 湖南佳宇环保设备有限公司 | Pneumatic flow dividing, spraying and desulfurizing equipment |
| CN103007666A (en) * | 2012-12-06 | 2013-04-03 | 广东天富电气集团有限公司 | Desulfurizing tower |
| CN103551099A (en) * | 2013-10-30 | 2014-02-05 | 江苏泰丰化工有限公司 | Spray absorber type carbonization reaction device for alkali balance in indigo production |
| CN104177861A (en) * | 2013-11-06 | 2014-12-03 | 江苏泰丰化工有限公司 | Sodium-potassium ratio adjusting device of device for recovering mixed alkali from indigo products |
| CN104107628A (en) * | 2014-07-10 | 2014-10-22 | 中国神华能源股份有限公司 | Flue gas desulfurization equipment and method thereof |
| CN104107628B (en) * | 2014-07-10 | 2016-03-09 | 中国神华能源股份有限公司 | A kind of flue gas desulfurization device and method thereof |
| CN105311948A (en) * | 2014-07-30 | 2016-02-10 | 山西易通环保技术有限公司 | Multi-effect flue gas purification absorption tower |
| CN106659970A (en) * | 2015-03-16 | 2017-05-10 | 富士电机株式会社 | Exhaust gas treatment apparatus |
| CN106659970B (en) * | 2015-03-16 | 2018-05-08 | 富士电机株式会社 | Emission-control equipment |
| CN104707446A (en) * | 2015-03-17 | 2015-06-17 | 安徽师范大学 | Device for treating industrial waste gas by spraying method |
| CN104707446B (en) * | 2015-03-17 | 2017-05-31 | 安徽师范大学 | A kind of spray process abatement equipment of industrial waste gas |
| CN105396451A (en) * | 2015-12-03 | 2016-03-16 | 华北电力大学 | Process for cleaning alkali liquor in spray scrubber tower to effectively remove sulfur trioxide (SO3) |
| CN105396451B (en) * | 2015-12-03 | 2017-07-07 | 华北电力大学 | Caustic dip efficient removal SO in a kind of spray desulfurizing tower3Technique |
| CN106731620A (en) * | 2017-03-24 | 2017-05-31 | 合肥天翔环境工程有限公司 | A kind of spray desulfurizing tower |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING CHINA METALLURGICAL EQUIPMENT RESEARCH + D Free format text: FORMER NAME: BEIJING RESEARCH AND DESIGN GENERAL INST. OF METALLURGICAL EQUIPMENT, CHINA META |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Beijing City, Chaoyang District Anwai Gu Road P.O. Box 9821 Beijing Institute of metallurgical equipment, zip code: 100029 Patentee after: Beijing Metallurgical Equipment Research and Design Institute Co., Ltd. Address before: Beijing City, Chaoyang District Anwai Gu Road P.O. Box 9821 Beijing Institute of metallurgical equipment, zip code: 100029 Patentee before: Beijing Research Institute of Metallurgical Equipment, China Metallurgical Const |
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| CX01 | Expiry of patent term |
Granted publication date: 20100113 |
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| CX01 | Expiry of patent term |