CN204034551U - A kind of flue gas desulfurization device - Google Patents
A kind of flue gas desulfurization device Download PDFInfo
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- CN204034551U CN204034551U CN201420423443.7U CN201420423443U CN204034551U CN 204034551 U CN204034551 U CN 204034551U CN 201420423443 U CN201420423443 U CN 201420423443U CN 204034551 U CN204034551 U CN 204034551U
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- absorption tower
- shower
- flue gas
- pump housing
- exhaust gases
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Abstract
The utility model discloses a kind of flue gas desulfurization device, comprise absorption tower, shower, demister and serum pot, shower is installed in absorption tower, demister is installed on above shower, serum pot is connected with shower by woven hose, woven hose is provided with first pump housing, shower is provided with some atomizers, top, absorption tower has exhaust outlet, inlet channel is had bottom absorption tower, exhaust gases passes and the first air duct is provided with in inlet channel, the second air duct is connected with in exhaust gases passes, be connected with shower by return duct bottom absorption tower, return duct is provided with the 3rd pump housing.The flue gas entered in the utility model exhaust gases passes can fully and air mix, make the sulfur dioxide in flue gas and the calcium carbonate in serum pot and the air that blasts from tower bottom carry out oxidation reaction and generate calcium sulfate, absorption tower inner absorbent slurries are by the 3rd pump housing iterative cycles and smoke contacts, and absorbent utilization rate is very high.
Description
[technical field]
The utility model relates to industrial technical field, particularly a kind of technical field of flue gas desulfurization device.
[background technology]
Sulfur dioxide affects larger gaseous contaminant in atmosphere pollution, has high risks to human body, environment and the ecosystem.Along with the increasingly stringent of environmental requirement, the problem of S02 discharge more and more receives publicity.Sulfur dioxide mainly stems from the combustion process of the fossil fuel such as coal, oil, and the roasting of ore, the fume emission of smelting process.Wherein various burning boiler particularly power plant boiler smoke evacuation there is the features such as concentration is low, exhaust gas volumn is large, floating dust is many and be difficult to administer.Gypsum method flue gas desulfurization technique is most widely used a kind of desulfur technology, this technique of flue gas desulfur device about 90% employing of the thermal power plant employing of numerous country.Technique is after constantly Improvement and perfection, Technical comparing is ripe, and there is desulfuration efficiency high (90% ~ 98%), the advantages such as operating cost is lower, but the flue gas desulfurization device flue gas of existing employing gypsum can not fully mix with air, cause desulfurized effect undesirable, and can not recycle slurries, process costs is higher.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, a kind of flue gas desulfurization device is proposed, agstone can be added water and make slurries and pump into absorption tower as absorbent and fully contact mixing with flue gas, the flue gas entered in exhaust gases passes can fully and air mix, make the sulfur dioxide in flue gas and the calcium carbonate in serum pot and the air that blasts from tower bottom carry out oxidation reaction and generate calcium sulfate, after calcium sulfate reaches certain saturation degree, crystallization forms dihydrate gypsum, the gypsum slurries of discharging through absorption tower is through concentrated, dehydration, its water content is made to be less than 10%, be convenient to recycle, absorption tower inner absorbent slurries are by the 3rd pump housing iterative cycles and smoke contacts, absorbent utilization rate is very high, calcium sulfur ratio is lower, flue gas desulfurization device desulfuration efficiency can be greater than 95%.
For achieving the above object, the utility model proposes a kind of flue gas desulfurization device, comprise absorption tower, shower, demister and serum pot, described shower is installed in absorption tower, demister is installed on above shower, serum pot is connected with shower by woven hose, woven hose is provided with first pump housing, described shower is provided with some atomizers, top, described absorption tower has exhaust outlet, inlet channel is had bottom absorption tower, exhaust gases passes and the first air duct is provided with in described inlet channel, the second air duct is connected with in described exhaust gases passes, first air duct and the second air duct are all connected with air blast, exhaust gases passes has some smoke ventilators, hydrocyclone is connected with by second pump housing bottom absorption tower, hydrocyclone front end is connected with belt dewaterer, be connected with shower by return duct bottom described absorption tower, return duct is provided with the 3rd pump housing.
As preferably, be provided with stirring vane in described serum pot, stirring vane is connected with motor by connecting rod.
As preferably, be provided with the dividing plate of some vertical placements in described demister, the middle part of every block dividing plate is raised structures.
As preferably, described smoke ventilator is S type through hole, and the front end of inlet channel is provided with filtering screen.
The beneficial effects of the utility model: agstone can add water and make in slurry storage and serum pot as absorbent by the utility model, slurries pump into absorption tower by the pump housing and fully contact mixing with flue gas, the flue gas entered in exhaust gases passes can fully and air mix, make the sulfur dioxide in flue gas and the calcium carbonate in serum pot and the air that blasts from tower bottom carry out oxidation reaction and generate calcium sulfate, after calcium sulfate reaches certain saturation degree, crystallization forms dihydrate gypsum, the gypsum slurries of discharging through absorption tower is through concentrated, dehydration, its water content is made to be less than 10%, be convenient to recycle, absorption tower inner absorbent slurries are by the 3rd pump housing iterative cycles and smoke contacts, absorbent utilization rate is very high, calcium sulfur ratio is lower, flue gas desulfurization device desulfuration efficiency can be greater than 95%.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the main TV structure figure of a kind of flue gas desulfurization device of the utility model;
Fig. 2 is the main TV structure figure of the utility model inlet channel;
Fig. 3 is the main TV structure figure of the utility model demister.
[detailed description of the invention]
Consult Fig. 1, Fig. 2 and Fig. 3, a kind of flue gas desulfurization device of the utility model, comprise absorption tower 1, shower 2, demister 3 and serum pot 4, described shower 2 is installed in absorption tower 1, demister 3 is installed on above shower 2, serum pot 4 is connected with shower 2 by woven hose 51, woven hose 51 is provided with first pump housing 61, described shower 2 is provided with some atomizers 21, top, described absorption tower 1 has exhaust outlet 11, inlet channel 7 is had bottom absorption tower 1, exhaust gases passes 71 and the first air duct 72 is provided with in described inlet channel 7, the second air duct 73 is connected with in described exhaust gases passes 71, first air duct 72 and the second air duct 73 are all connected with air blast 74, exhaust gases passes 71 has some smoke ventilators 75, hydrocyclone 8 is connected with by second pump housing 62 bottom absorption tower 1, hydrocyclone 8 front end is connected with belt dewaterer 9, be connected with shower 2 by return duct 52 bottom described absorption tower 1, return duct 52 is provided with the 3rd pump housing 63.
In described serum pot 4, stirring vane 41 is installed, stirring vane 41 is connected with motor 43 by connecting rod 42, the dividing plate 31 of some vertical placements is installed in described demister 3, the middle part of every block dividing plate 31 is raised structures, described smoke ventilator 75 is S type through hole, and the front end of inlet channel 7 is provided with filtering screen 76.
Utility model works process:
A kind of flue gas desulfurization device of the utility model in the course of the work, agstone can be added water by stirring vane 41 and motor 43 and make slurries as absorbent by serum pot 4, slurries pump into absorption tower 1 by first pump housing 61 and fully contact mixing with flue gas, the flue gas entered in exhaust gases passes 7 can fully and air fully mix, the air making the calcium carbonate in the sulfur dioxide in flue gas and serum pot 4 and blast from tower bottom carries out oxidation reaction and generates calcium sulfate, after calcium sulfate reaches certain saturation degree, crystallization forms dihydrate gypsum, the gypsum slurries of discharging through absorption tower is through concentrated, dehydration, its water content is made to be less than 10%, be convenient to recycle, absorption tower 1 inner absorbent slurries are by the 3rd pump housing 63 iterative cycles and smoke contacts, absorbent utilization rate is very high, calcium sulfur ratio is lower, flue gas desulfurization device desulfuration efficiency can be greater than 95%.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.
Claims (4)
1. a flue gas desulfurization device, it is characterized in that: comprise absorption tower (1), shower (2), demister (3) and serum pot (4), described shower (2) is installed in absorption tower (1), demister (3) is installed on shower (2) top, serum pot (4) is connected with shower (2) by woven hose (51), woven hose (51) is provided with first pump housing (61), described shower (2) is provided with some atomizers (21), described absorption tower (1) top has exhaust outlet (11), bottom, absorption tower (1) has inlet channel (7), exhaust gases passes (71) and the first air duct (72) is provided with in described inlet channel (7), the second air duct (73) is connected with in described exhaust gases passes (71), first air duct (72) and the second air duct (73) are all connected with air blast (74), exhaust gases passes (71) has some smoke ventilators (75), bottom, absorption tower (1) is connected with hydrocyclone (8) by second pump housing (62), hydrocyclone (8) front end is connected with belt dewaterer (9), bottom, described absorption tower (1) is connected with shower (2) by return duct (52), return duct (52) is provided with the 3rd pump housing (63).
2. a kind of flue gas desulfurization device as claimed in claim 1, it is characterized in that: be provided with stirring vane (41) in described serum pot (4), stirring vane (41) is connected with motor (43) by connecting rod (42).
3. a kind of flue gas desulfurization device as claimed in claim 1, is characterized in that: the dividing plate (31) being provided with some vertical placements in described demister (3), and the middle part of every block dividing plate (31) is raised structures.
4. a kind of flue gas desulfurization device as claimed in claim 1, is characterized in that: described smoke ventilator (75) is S type through hole, and the front end of inlet channel (7) is provided with filtering screen (76).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423443.7U CN204034551U (en) | 2014-07-30 | 2014-07-30 | A kind of flue gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423443.7U CN204034551U (en) | 2014-07-30 | 2014-07-30 | A kind of flue gas desulfurization device |
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| Publication Number | Publication Date |
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| CN204034551U true CN204034551U (en) | 2014-12-24 |
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| CN201420423443.7U Active CN204034551U (en) | 2014-07-30 | 2014-07-30 | A kind of flue gas desulfurization device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930374A (en) * | 2017-11-28 | 2018-04-20 | 江苏民生重工有限公司 | A kind of efficient oxidation wet desulfurization system |
| CN107998863A (en) * | 2017-11-28 | 2018-05-08 | 江苏民生重工有限公司 | A kind of efficient oxidation wet desulphurization device |
-
2014
- 2014-07-30 CN CN201420423443.7U patent/CN204034551U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930374A (en) * | 2017-11-28 | 2018-04-20 | 江苏民生重工有限公司 | A kind of efficient oxidation wet desulfurization system |
| CN107998863A (en) * | 2017-11-28 | 2018-05-08 | 江苏民生重工有限公司 | A kind of efficient oxidation wet desulphurization device |
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| GR01 | Patent grant |