CN201394416Y - Absorbing tower realizing desulfurization by using wet flue gas method - Google Patents
Absorbing tower realizing desulfurization by using wet flue gas method Download PDFInfo
- Publication number
- CN201394416Y CN201394416Y CN2008201006306U CN200820100630U CN201394416Y CN 201394416 Y CN201394416 Y CN 201394416Y CN 2008201006306 U CN2008201006306 U CN 2008201006306U CN 200820100630 U CN200820100630 U CN 200820100630U CN 201394416 Y CN201394416 Y CN 201394416Y
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- CN
- China
- Prior art keywords
- flue gas
- absorption tower
- wet method
- method flue
- desulfurizing absorption
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Abstract
The utility model provides an absorbing tower realizing desulfurization by using a wet flue gas method; flue gas in the tower is distributed evenly and the tower has good gas-liquid transfer effect and relatively high desulfurization efficiency; the absorbing tower realizing desulfurization by using the wet flue gas method comprises an absorbing tower body, wherein the lower part of the absorbingtower is provided with a stuff chest, the middle part thereof is provided with a flue gas inlet and the upper part thereof is provided with a flue gas outlet; in the absorbing tower body, from the flue inlet to the flue outlet, a grout spraying system and a defogging system are arranged in sequence; a rectifying device is arranged between the flue inlet and the grout spraying system; compared withthe prior art, the absorbing tower has the following advantages: the rectifying device is arranged, which causes the flue gas in the tower to be distributed evenly and ensure good gas-liquid transfereffect; the absorbing tower can be lowered in height, reduce the number of spraying layers and spraying quantity, lower the power consumption of a grout circulating pump and realize relatively high desulfurization efficiency on the basis of reducing power consumption.
Description
Technical field
The utility model relates to the environment-friendly engineering technical field, is specifically related to a kind of wet method flue gas-desulfurizing absorption tower.
Background technology
At present, the influence that air pollution causes is very serious, particularly in institute's discharged flue gas such as Industrial Boiler, Industrial Stoves and coal-burning power plant, contain a large amount of sulfur dioxide, and sulfur dioxide is the main cause that forms acid rain, simultaneously sulfur dioxide also has serious injury to human body, can cause the upper respiratory tract impaired, destroy immunity of organism.Therefore need carry out desulfurization for above-mentioned industrial enterprise discharged flue gas and handle, the sulfur removal technology that the limestone-gypsum wet fuel gas desulfurizing technology is most widely used accounts for about 90% of the market share.Problems such as the nucleus equipment of this technology is the absorption tower, and there is smoke distribution lack of homogeneity in the tower in existing absorption tower, the gas-liquid mass transfer effect is undesirable, system energy consumption is high, desulfuration efficiency is not high.
The utility model content
In view of this, in order to address the above problem, the utility model provides a kind of wet method flue gas-desulfurizing absorption tower, and smoke distribution is even in the tower, gas-liquid mass transfer is effective, has higher desulfuration efficiency.
The purpose of this utility model is achieved in that wet method flue gas-desulfurizing absorption tower, comprise the absorption tower tower body, tower body bottom, described absorption tower is provided with stock tank, the middle part is provided with smoke inlet, top is provided with exhanst gas outlet, be disposed with slurry spraying system and demister system from smoke inlet toward exhanst gas outlet in the tower body of absorption tower, also be provided with fairing between described smoke inlet and the slurry spraying system.
Further, described fairing is a metallic grid;
Further, described metallic grid is formed by the grizzly bar quadrature arrangement, the thick 3～5mm of described grizzly bar, and wide 30～50mm, parallel and adjacent interval of grid strip are 50～1000mm;
Further, described fairing is a metal perforated plate;
Further, described metal perforated plate thickness 2～5mm, percent opening 30～60%;
Further, described demister system is provided with two-stage, and slurry spraying system is provided with 4 layers;
Further, be provided with agitating device in the described stock tank;
Further, described wet method flue gas-desulfurizing absorption tower also comprises the oxidation air system, and described oxidation air system comprises oxidation fan and oxidation air pipe, and described oxidation air pipe is arranged in the stock tank and with oxidation fan and links to each other;
Further, described oxidation fan is the Roots type oxidation fan;
Further, also comprise the recycle slurry liquid pump, the inlet of described recycle slurry liquid pump is arranged in the stock tank, and outlet is connected with slurry spraying system.
Of the present utility model with respect to prior art, has following advantage: be provided with fairing, make that smoke distribution is even in the tower, gas-liquid mass transfer is effective, can reduce the absorption tower height, reduce spraying layer quantity and slurries spray flux, reduce the slurry circulating pump power consumption, can on the basis that cuts down the consumption of energy, realize higher desulfuration efficiency.
Other advantages of the present utility model, target, to set forth in the following description to a certain extent with feature, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can be passed through following specification, claims, and the specifically noted structure realizes and obtains in the accompanying drawing.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 shows the structural representation of wet method flue gas-desulfurizing absorption tower;
Fig. 2 shows a kind of structural representation of fairing.
The specific embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.
Referring to Fig. 1, the wet method flue gas-desulfurizing absorption tower of present embodiment comprises absorption tower tower body 11, and tower body 11 bottoms, described absorption tower are provided with stock tank 12, are provided with agitating device 4 in the stock tank 12; Tower body 11 middle parts in absorption tower are provided with smoke inlet 1, top is provided with exhanst gas outlet 2, be disposed with slurry spraying system 8 and demister system 9 from smoke inlet 1 toward exhanst gas outlet 2 in the absorption tower tower body 11, described demister system 9 is provided with two-stage, be provided with between the two-stage demister system 9 towards water spray system 10, slurry spraying system is provided with 4 layers, described wet method flue gas-desulfurizing absorption tower also comprises recycle slurry liquid pump 6, the inlet of described recycle slurry liquid pump 6 is arranged in the stock tank 12, and outlet is connected with slurry spraying system 8; Described wet method flue gas-desulfurizing absorption tower also comprises the oxidation air system, described oxidation air system comprises oxidation fan 3 and oxidation air pipe 5, described oxidation air pipe 5 is arranged in the stock tank 12 and with oxidation fan 3 and links to each other, best, oxidation fan 3 is selected the Roots type oxidation fan for use; In use, the CaSO in the stock tank
3Under the effect of strong oxidation that adds air and agitating device 4, can change into CaSO efficiently
42H
2O (gypsum).
Also be provided with fairing 7 between described smoke inlet 1 and the slurry spraying system 8, referring to Fig. 2, described fairing is a metallic grid, described metallic grid is formed by the grizzly bar quadrature arrangement, thick 3～the 5mm of described grizzly bar, wide 30～50mm, parallel and adjacent interval of grid strip are 50～1000mm; Fairing also can be metal perforated plate, described metal perforated plate thickness 2～5mm, percent opening 30～60%.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. wet method flue gas-desulfurizing absorption tower, comprise the absorption tower tower body, tower body bottom, described absorption tower is provided with stock tank, the middle part is provided with smoke inlet, top is provided with exhanst gas outlet, be disposed with slurry spraying system and demister system from smoke inlet toward exhanst gas outlet in the tower body of absorption tower, it is characterized in that: also be provided with fairing between described smoke inlet and the slurry spraying system.
2. wet method flue gas-desulfurizing absorption tower according to claim 1 is characterized in that: described fairing is a metallic grid.
3. wet method flue gas-desulfurizing absorption tower according to claim 2 is characterized in that: described metallic grid is formed by the grizzly bar quadrature arrangement, the thick 3～5mm of described grizzly bar, and wide 30～50mm, parallel and adjacent interval of grid strip are 50～1000mm.
4. wet method flue gas-desulfurizing absorption tower according to claim 1 is characterized in that: described fairing is a metal perforated plate.
5. wet method flue gas-desulfurizing absorption tower according to claim 4 is characterized in that: described metal perforated plate thickness 2～5mm, percent opening 30～60%.
6. according to each described wet method flue gas-desulfurizing absorption tower in the claim 1 to 5, it is characterized in that: described demister system is provided with two-stage, and slurry spraying system is provided with 4 layers.
7. wet method flue gas-desulfurizing absorption tower according to claim 1 is characterized in that: be provided with agitating device in the described stock tank.
8. according to claim 1 or 7 described wet method flue gas-desulfurizing absorption towers, it is characterized in that: described wet method flue gas-desulfurizing absorption tower also comprises the oxidation air system, described oxidation air system comprises oxidation fan and oxidation air pipe, and described oxidation air pipe is arranged in the stock tank and with oxidation fan and links to each other.
9. wet method flue gas-desulfurizing absorption tower according to claim 8 is characterized in that: described oxidation fan is the Roots type oxidation fan.
10. wet method flue gas-desulfurizing absorption tower according to claim 1 is characterized in that: also comprise the recycle slurry liquid pump, the inlet of described recycle slurry liquid pump is arranged in the stock tank, and outlet is connected with slurry spraying system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201006306U CN201394416Y (en) | 2008-11-20 | 2008-11-20 | Absorbing tower realizing desulfurization by using wet flue gas method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201006306U CN201394416Y (en) | 2008-11-20 | 2008-11-20 | Absorbing tower realizing desulfurization by using wet flue gas method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201394416Y true CN201394416Y (en) | 2010-02-03 |
Family
ID=41616905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008201006306U Expired - Lifetime CN201394416Y (en) | 2008-11-20 | 2008-11-20 | Absorbing tower realizing desulfurization by using wet flue gas method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201394416Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007666A (en) * | 2012-12-06 | 2013-04-03 | 广东天富电气集团有限公司 | Desulfurizing tower |
| CN107115778A (en) * | 2017-03-30 | 2017-09-01 | 成都申川节能环保工程有限公司 | A kind of desulfurizing tower for coal-fired flue gas desulfurization |
| CN107297134A (en) * | 2017-05-31 | 2017-10-27 | 泉州科维嘉电力有限公司 | A kind of smoke eliminator of high desulfurization efficiency |
-
2008
- 2008-11-20 CN CN2008201006306U patent/CN201394416Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007666A (en) * | 2012-12-06 | 2013-04-03 | 广东天富电气集团有限公司 | Desulfurizing tower |
| CN107115778A (en) * | 2017-03-30 | 2017-09-01 | 成都申川节能环保工程有限公司 | A kind of desulfurizing tower for coal-fired flue gas desulfurization |
| CN107297134A (en) * | 2017-05-31 | 2017-10-27 | 泉州科维嘉电力有限公司 | A kind of smoke eliminator of high desulfurization efficiency |
| CN107297134B (en) * | 2017-05-31 | 2019-07-30 | 河北用邦环保设备科技有限公司 | A kind of flue gas purification device of high desulfurization efficiency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |