CN201454391U - Desulphation and absorption tower for flue gas by using wet process - Google Patents
Desulphation and absorption tower for flue gas by using wet process Download PDFInfo
- Publication number
- CN201454391U CN201454391U CN2008202385386U CN200820238538U CN201454391U CN 201454391 U CN201454391 U CN 201454391U CN 2008202385386 U CN2008202385386 U CN 2008202385386U CN 200820238538 U CN200820238538 U CN 200820238538U CN 201454391 U CN201454391 U CN 201454391U
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- absorption tower
- flue gas
- wet method
- method flue
- tower body
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Abstract
The utility model provides a desulphation and absorption tower for flue gas by using a wet process. Glue gas is evenly distributed, the gas-liquid mass transfer effect is good in the absorption tower, and the absorption tower has higher desulphation efficiency. The desulphation and absorption tower for flue gas by using the wet process comprises an absorption tower body, wherein the lower part of the absorption tower body is provided with a stock trough; a stirring device is arranged in the stock trough; the middle of the absorption tower body is provided with a flue gas inlet, and the upper part is provided with a flue gas outlet; a slurry spraying system and a defogging system are sequentially arranged from the flue gas inlet to the flue gas outlet in the absorption tower body; two stages of defogging systems are arranged; a water flushing and spraying system is arranged between the two stages of defogging systems; and metal grilles are also arranged between the flue gas inlet and the slurry spraying system.
Description
Technical field
The utility model relates to the environment-friendly engineering technical field, is specifically related to a kind of desulfuration absorbing 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 this absorbs, and smoke distribution is even in the Tata, 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, be provided with agitating device in the described stock tank, tower body middle part, described absorption tower 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, described demister system is provided with two-stage, be provided with towards water spray system between the described two-stage demister system, also be provided with metallic grid between described smoke inlet and the slurry spraying system.
Further, described metallic grid is formed by the grizzly bar quadrature arrangement, the thick 4～5mm of described grizzly bar, and wide 40～50mm, parallel and adjacent interval of grid strip are 50～1000mm;
Further, slurry spraying system is provided with 4 layers;
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.
The utility model is with respect to prior art, has following advantage: be provided with metallic grid, described metallic grid makes 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 the practice of 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 schematic diagram of wet method flue gas-desulfurizing absorption tower;
Fig. 2 shows the structural representation of metallic grid.
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 is outside equipped with 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 metallic grid 7 between described smoke inlet 1 and the slurry spraying system 8, referring to Fig. 2, described metallic grid 7 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.
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 (5)
1. wet method flue gas-desulfurizing absorption tower, it is characterized in that: comprise the absorption tower tower body, tower body bottom, described absorption tower is provided with stock tank, be provided with agitating device in the described stock tank, tower body middle part, described absorption tower 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, described demister system is provided with two-stage, be provided with towards water spray system between the described two-stage demister system, also be provided with metallic grid 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 metallic grid is formed by the grizzly bar quadrature arrangement, the thick 4～5mm of described grizzly bar, and wide 40～50mm, parallel and adjacent interval of grid strip are 50～1000mm.
3. according to claim 1 or described wet method flue gas-desulfurizing absorption tower, it is characterized in that: slurry spraying system is provided with 4 layers.
4. wet method flue gas-desulfurizing absorption tower according to claim 1, 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.
5. wet method flue gas-desulfurizing absorption tower according to claim 4 is characterized in that: described oxidation fan is the Roots type oxidation fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202385386U CN201454391U (en) | 2008-12-30 | 2008-12-30 | Desulphation and absorption tower for flue gas by using wet process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202385386U CN201454391U (en) | 2008-12-30 | 2008-12-30 | Desulphation and absorption tower for flue gas by using wet process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201454391U true CN201454391U (en) | 2010-05-12 |
Family
ID=42381735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008202385386U Expired - Lifetime CN201454391U (en) | 2008-12-30 | 2008-12-30 | Desulphation and absorption tower for flue gas by using wet process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201454391U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103908855A (en) * | 2014-03-14 | 2014-07-09 | 中国石油大学(北京) | Venturi rod layer with non-uniform rod distances |
| CN104906943A (en) * | 2015-06-26 | 2015-09-16 | 上海龙净环保科技工程有限公司 | Desulfurization and dust collection cooperative super clean tower |
| CN105268315A (en) * | 2015-10-09 | 2016-01-27 | 浙江浩普环保工程有限公司 | Flue gas pollutant ultra-low emission system |
-
2008
- 2008-12-30 CN CN2008202385386U patent/CN201454391U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103908855A (en) * | 2014-03-14 | 2014-07-09 | 中国石油大学(北京) | Venturi rod layer with non-uniform rod distances |
| CN103908855B (en) * | 2014-03-14 | 2017-05-31 | 中国石油大学(北京) | A kind of non-homogeneous rod away from Venturi rod layer |
| CN104906943A (en) * | 2015-06-26 | 2015-09-16 | 上海龙净环保科技工程有限公司 | Desulfurization and dust collection cooperative super clean tower |
| CN105268315A (en) * | 2015-10-09 | 2016-01-27 | 浙江浩普环保工程有限公司 | Flue gas pollutant ultra-low emission system |
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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 |
Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term |