CN203155085U - Device for purifying and desulfurizing boiler flue gas - Google Patents
Device for purifying and desulfurizing boiler flue gas Download PDFInfo
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- CN203155085U CN203155085U CN 201320181773 CN201320181773U CN203155085U CN 203155085 U CN203155085 U CN 203155085U CN 201320181773 CN201320181773 CN 201320181773 CN 201320181773 U CN201320181773 U CN 201320181773U CN 203155085 U CN203155085 U CN 203155085U
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- desulfurizing
- flue gas
- desulfurizing agent
- desulfurizer
- purifying
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Abstract
The utility model relates to the technical field of flue gas treatment devices, and in particular relates to a device for purifying and desulfurizing boiler flue gas. According to the device for purifying and desulfurizing boiler flue gas, a lime slurry pool is connected with a slurry tank; the slurry tank is connected with a desulfurizing device; a defogging device is arranged at the top end of the desulfurizing device; a smoke exhaust valve is arranged at the top end of the defogging device; a desulfurizing agent circulating device is connected to the bottom of the desulfurizing device; a circulating pump is arranged in the desulfurizing agent circulating device; a valve is also connected to the bottom of the desulfurizing device; the desulfurizing agent circulating device is connected with an air compressor; a discharge pump is arranged at the bottom of the desulfurizing agent circulating device and is connected with a slag treatment device; and the slag treatment device is connected with a clear solution tank. The device for purifying and desulfurizing boiler flue gas is convenient to use, high in desulfurizing efficiency, high in working reliability, simple in flow, small in floor area and low in investment, and byproducts can be comprehensively used.
Description
Technical field
The utility model relates to the flue gas processing device technical field, refers in particular to a kind of boiler flue gas purification desulfurizer.
Background technology
Industrial Boiler, station boiler and metallurgy, chemical industry papermaking, cement, papermaking, industry stoves such as food can produce a large amount of flue gases, also has a large amount of carbon monoxide in the flue gas, the increase of carbon monoxide and the minimizing of oxygen having the greatest impact to human body, except CO, also containing harmful components in the flue gas outside the CO2 is that cyanogen is that material and chlorine are material, they have ill effect to human body, its extent of injury is also very serious, particulate in the flue gas, though be not the pernicious gas composition, but human body is still had harm, very important, cause the breathing problem that respiratory tract infection causes easily, also have tuberculosis, slight words can cause allergic reaction, the rhinorrhea of yawning, also contain a large amount of sulfide in addition in the flue gas, if flue gas is not handled with regard to discharging meeting serious environment pollution, the health of harm humans, existing gas cleaning treating apparatus mechanism complexity, the flue gas treatment effect is not ideal enough.
Therefore, for the deficiency that overcomes above-mentioned technology design a easy to use, desulfuration efficiency height, functional reliability height, a kind of boiler flue gas purification desulfurizer that flow process is simple, take up an area of less, investment is low and byproduct can fully utilize, the problem that faces of inventor just.
The utility model content
At the deficiencies in the prior art, the purpose of this utility model provides a kind of boiler flue gas purification desulfurizer, it is simple in structure, easy to use, the desulfuration efficiency height, the functional reliability height, flow process is simple, take up an area of less, investment is low and byproduct can fully utilize, and extraordinary practical and popularizing value is arranged.
For achieving the above object, the utility model adopts following technical scheme:
A kind of boiler flue gas purification desulfurizer, comprise the lime stock tank, serum pot, circulating pump, the desulfurizing agent EGR, desulfurizer, demister, exhaust smoke valve, valve, air compressor machine, the slag treating apparatus, the clear liquid jar, excavationg pump, it is characterized in that: described lime stock tank is connected with serum pot, serum pot is connected with desulfurizer, the desulfurizer top is provided with demister, the demister top is provided with exhaust smoke valve, the desulfurizer bottom is connected with the desulfurizing agent EGR, be provided with circulating pump in the desulfurizing agent EGR, described desulfurizer bottom also is connected with valve, the desulfurizing agent EGR is connected with air compressor machine, desulfurizing agent EGR bottom is provided with excavationg pump, excavationg pump is connected with the slag treating apparatus, and the slag treating apparatus is connected with the clear liquid jar.
The utility model is compared in prior art has tangible advantage and beneficial effect, and particularly, the beneficial effects of the utility model are as shown from the above technical solution:
1, the utility model adopt the lime/gypsum method with lime slurry as desulfurizing agent, in the absorption tower, flue gas is carried out spray washing, make the sulfur in smoke reaction generate calcium sulfite, simultaneously in the slurries on absorption tower, blast air, impel calcium sulfite to be converted into calcium sulfate, byproduct is gypsum, this method desulfuration efficiency height, functional reliability height.
2, the recirculating fluidized bed method is based on the recirculating fluidized bed principle, make absorbent repeatedly recirculation in reactor, prolonged the time of contact of absorbent and flue gas, thereby improved the utilization rate of desulfuration efficiency and absorbent greatly, it not only has many advantages of general dry desulfurizing process, simple as flow process, take up an area of less, investment is low and byproduct can fully utilize etc., and can be issued to the desulfuration efficiency suitable with wet desulfurizing process in the lower situation of calcium sulfur ratio.
3, the flue gas desulfurization by sodium-calcium dual-alkali scrubbing method technology is to utilize sodium hydroxide solution as starting desulfurizing agent, prepared sodium hydroxide solution is directly squeezed into desulfurizing tower washing remove the purpose that SO2 in the flue gas reaches flue gas desulfurization, desulfurization product is reduced into NaOH through the desulfurizing agent regenerated reactor and returns in the desulfurizing tower and recycle then.
Description of drawings
Fig. 1 is the utility model structural representation.
Description of drawings: 1-lime stock tank; The 2-serum pot; The 3-circulating pump; 4-desulfurizing agent EGR; The 5-desulfurizer; The 6-demister; The 7-exhaust smoke valve; The 8-valve; The 9-air compressor machine; 10-slag treating apparatus; 11-clear liquid jar; The 12-excavationg pump.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model, should be understood that these embodiment only are used for explanation the utility model and are not used in restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values drop on application appended claims institute restricted portion equally.
Be illustrated in figure 1 as a kind of boiler flue gas purification desulfurizer of the utility model structural representation, comprise lime stock tank 1, serum pot 2, circulating pump 3, desulfurizing agent EGR 4, desulfurizer 5, demister 6, exhaust smoke valve 7, valve 8, air compressor machine 9, slag treating apparatus 10, clear liquid jar 11, excavationg pump 12, described lime stock tank 1 is connected with serum pot 2, serum pot 2 is connected with desulfurizer 5, desulfurizer 5 tops are provided with demister 6, demister 6 tops are provided with exhaust smoke valve 7, desulfurizer 5 bottoms are connected with desulfurizing agent EGR 4, be provided with circulating pump 3 in the desulfurizing agent EGR 4, described desulfurizer 5 bottoms also are connected with valve 8, desulfurizing agent EGR 4 is connected with air compressor machine 9, desulfurizing agent EGR 4 bottoms are provided with excavationg pump 12, excavationg pump 12 is connected with slag treating apparatus 10, and slag treating apparatus 10 is connected with clear liquid jar 11.
The utility model adopt the lime/gypsum method with lime slurry as desulfurizing agent, in the absorption tower, flue gas is carried out spray washing, make the sulfur in smoke reaction generate calcium sulfite, simultaneously in the slurries on absorption tower, blast air, impel calcium sulfite to be converted into calcium sulfate, byproduct is gypsum, this method desulfuration efficiency height, functional reliability height; The recirculating fluidized bed method is based on the recirculating fluidized bed principle, make absorbent repeatedly recirculation in reactor, prolonged the time of contact of absorbent and flue gas, thereby improved the utilization rate of desulfuration efficiency and absorbent greatly, it not only has many advantages of general dry desulfurizing process, simple as flow process, take up an area of less, investment is low and byproduct can fully utilize etc., and can be issued to the desulfuration efficiency suitable with wet desulfurizing process in the lower situation of calcium sulfur ratio; The flue gas desulfurization by sodium-calcium dual-alkali scrubbing method technology is to utilize sodium hydroxide solution as starting desulfurizing agent, prepared sodium hydroxide solution is directly squeezed into desulfurizing tower washing remove the purpose that SO2 in the flue gas reaches flue gas desulfurization, desulfurization product is reduced into NaOH through the desulfurizing agent regenerated reactor and returns in the desulfurizing tower and recycle then.
Claims (1)
1. boiler flue gas purification desulfurizer, comprise the lime stock tank, serum pot, circulating pump, the desulfurizing agent EGR, desulfurizer, demister, exhaust smoke valve, valve, air compressor machine, the slag treating apparatus, the clear liquid jar, excavationg pump, it is characterized in that: described lime stock tank is connected with serum pot, serum pot is connected with desulfurizer, the desulfurizer top is provided with demister, the demister top is provided with exhaust smoke valve, the desulfurizer bottom is connected with the desulfurizing agent EGR, be provided with circulating pump in the desulfurizing agent EGR, described desulfurizer bottom also is connected with valve, the desulfurizing agent EGR is connected with air compressor machine, desulfurizing agent EGR bottom is provided with excavationg pump, excavationg pump is connected with the slag treating apparatus, and the slag treating apparatus is connected with the clear liquid jar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181773 CN203155085U (en) | 2013-04-12 | 2013-04-12 | Device for purifying and desulfurizing boiler flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320181773 CN203155085U (en) | 2013-04-12 | 2013-04-12 | Device for purifying and desulfurizing boiler flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203155085U true CN203155085U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320181773 Expired - Fee Related CN203155085U (en) | 2013-04-12 | 2013-04-12 | Device for purifying and desulfurizing boiler flue gas |
Country Status (1)
| Country | Link |
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| CN (1) | CN203155085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534542A (en) * | 2018-11-30 | 2019-03-29 | 攀钢集团攀枝花钢铁研究院有限公司 | The method of fume desulfurizing agent purified treatment |
-
2013
- 2013-04-12 CN CN 201320181773 patent/CN203155085U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534542A (en) * | 2018-11-30 | 2019-03-29 | 攀钢集团攀枝花钢铁研究院有限公司 | The method of fume desulfurizing agent purified treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140412 |