CN204865519U - Dual alkali scrubbing FGD process dust collector - Google Patents
Dual alkali scrubbing FGD process dust collector Download PDFInfo
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- CN204865519U CN204865519U CN201520455451.4U CN201520455451U CN204865519U CN 204865519 U CN204865519 U CN 204865519U CN 201520455451 U CN201520455451 U CN 201520455451U CN 204865519 U CN204865519 U CN 204865519U
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- desulfurizing tower
- soda
- pipeline
- process dust
- dust arrester
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Abstract
The utility model discloses a dual alkali scrubbing FGD process dust collector, include and correspond the sack cleaner of being connected with the flue gas containing sulphur import, the air inlet of sack cleaner through pipeline and desulfurizing tower corresponds and communicates with each other, the gas outlet of desulfurizing tower corresponds with the chimney to be connected, the desulfurizing tower corresponds the intercommunication with soda thick liquid jar, the waste liquid of desulfurizing tower exports to correspond with the pond of regenerating and communicates with each other. The utility model discloses at first remove dust flue gas containing sulphur through the sack cleaner, clear away the big particulate matter among the flue gas containing sulphur, and then absorb through the sulphide of soda thick liquid in to flue gas containing sulphur in the desulfurizing tower to regenerate reuse in sending the desulfurization result into the regeneration pond.
Description
Technical field
The utility model relates to flue gas desulfurization and dedusting apparatus field, particularly relates to a kind of dual alkali scrubbing FGD process dust arrester.
Background technology
Dual alkali scrubbing FGD process technology utilizes sodium hydroxide solution as startup desulfurizing agent, and the sodium hydroxide solution prepared directly is squeezed into desulfurizing tower washing and removed SO in flue gas
2reach the object of flue gas desulfurization, then desulfurization product is reduced into NaOH and returns the use of desulfurizing tower Inner eycle again through desulfurizer regeneration pond.Sulfur removal technology mainly comprises 5 parts: (1) absorbent preparation is with supplementary; (2) absorbent slurry spray; (3) in tower, droplet mixes with smoke contacts; (4) regenerated reactor slurries reduction sodium base alkali; (5) gypsum dehydration process.
Dual alkali adopts sodium base desulfurizer to carry out desulfurization in tower, and because sodium base desulfurizer alkalescence is strong, after sulfur dioxide absorption, product solubility is large, can not cause supersaturation crystallization, cause fouling and clogging problem.On the other hand desulfurization product is discharged into the interior calcium hydroxide of regenerated reactor and carries out reducing/regenerating, then the sodium base desulfurizer born is returned desulfurizing tower again and recycled.Double alkali method desulfurizing technology reduces investment and operating cost, compares and is applicable to medium small boiler and carries out desulfurizing fly ash.
Utility model content
In order to overcome defect of the prior art, provide a kind of dual alkali scrubbing FGD process dust arrester.
The utility model is realized by following proposal:
A kind of dual alkali scrubbing FGD process dust arrester, comprise the sack cleaner that connect corresponding to sulfur-containing smoke gas import, described sack cleaner communicates by pipeline is corresponding with the air inlet of desulfurizing tower, the gas outlet of described desulfurizing tower is corresponding with chimney to be connected, described desulfurizing tower is corresponding with soda serum pot to be communicated with, and the waste liquid outlet of described desulfurizing tower is corresponding with regenerated reactor to communicate.
Pipeline between described sack cleaner and desulfurizing tower is also serially connected with blower fan.
Described soda serum pot communicates by pipeline is corresponding with clean solution tank, and is serially connected with soda slush pump between, and described clean solution tank communicates by pipeline is corresponding with the liquid distributor in desulfurizing tower, between described clean solution tank and desulfurizing tower, be also provided with main circulation pump.
Described regenerated reactor is communicated with by pipeline is corresponding with lime pulping tank, lime white liquid pump is serially connected with between described regenerated reactor and lime pulping tank, the bottom of described regenerated reactor is corresponding with sedimentation basin to be communicated with, described sedimentation basin is communicated with by pipeline is corresponding with filter press, between described sedimentation basin and filter press, be provided with dehydration pump.
Also be provided with demister in described desulfurizing tower inside, described demister is positioned at the top of liquid distributor.
Described demister comprises be arranged in parallel up and down multiple, and between every two demisters, be provided with mist eliminator flushing shower nozzle, described mist eliminator flushing shower nozzle is communicated with by pipeline is corresponding with pond, is provided with mist eliminator flushing water pump between mist eliminator flushing shower nozzle and pond.
Described pond also respectively with soda serum pot, clean solution tank, lime pulping tank is corresponding is communicated with, in described soda serum pot, clean solution tank, lime pulping tank, be equipped with agitator.
The beneficial effects of the utility model are:
1. first a kind of dual alkali scrubbing FGD process dust arrester of the utility model carries out dedusting sulfur-containing smoke gas by sack cleaner, large particulate matter in sulfur-containing smoke gas is removed, and then by soda slurries, the sulfide in sulfur-containing smoke gas is absorbed in desulfurizing tower, and desulfurization product is sent in regenerated reactor and regenerates, recycling;
2. the pipeline of a kind of dual alkali scrubbing FGD process dust arrester of the utility model between sack cleaner and desulfurizing tower is also serially connected with blower fan, initial velocity can be provided to sulfur-containing smoke gas, make sulfur-containing smoke gas can overcome resistance in desulfurizing tower and fully contact with soda slurries;
3. a kind of dual alkali scrubbing FGD process dust arrester of the utility model is provided with soda serum pot and lime pulping tank, and when device starts, soda slurries and calcium hydroxide slurry all can configure at the scene, improve the operational efficiency of device, easily are automated control;
4. the bottom of the regenerated reactor of a kind of dual alkali scrubbing FGD process of the utility model dust arrester is corresponding with sedimentation basin is communicated with, sedimentation basin is connected with filter press by pipeline, sedimentation basin is entered after the microsolubility species precipitate such as the calcium sulfate produced in regenerated reactor and calcium sulfite, then the process through filter press obtains the lower solid product of water content, is convenient to the treatment and disposal of these tailings;
5. the desulfurizing tower inside of a kind of dual alkali scrubbing FGD process dust arrester of the utility model is also provided with demister, demister is positioned at the top of liquid distributor, demister can be removed the smog produced in sulfur-containing smoke gas and soda slurry liquid contacts and foam, prevent these liquids to be discharged in chimney, improve the treatment effect to sulfur-containing smoke gas;
6. a kind of dual alkali scrubbing FGD process dust arrester of the utility model is provided with mist eliminator flushing shower nozzle between every two demisters, regularly can be removed the attachment on demister, prevent from impacting the use of demister by mist eliminator flushing shower nozzle;
7. the pond of a kind of dual alkali scrubbing FGD process of the utility model dust arrester also respectively with soda serum pot, clean solution tank, lime pulping tank is corresponding is communicated with, agitator is equipped with in soda serum pot, clean solution tank, lime pulping tank, added water in soda serum pot, clean solution tank, lime pulping tank by pond, conveniently make up a prescription and clean, in soda serum pot, clean solution tank, lime pulping tank, be equipped with agitator, improve the service efficiency of these equipment.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of dual alkali scrubbing FGD process dust arrester of the utility model.
Fig. 2 is the local detail enlarged diagram in A portion in Fig. 1.
In figure: 1 is sack cleaner, 2 is desulfurizing tower, and 21 is liquid distributor, and 22 is demister, 23 is mist eliminator flushing shower nozzle, and 3 is soda serum pot, and 4 is regenerated reactor, 5 is chimney, and 6 is blower fan, and 7 is clean solution tank, 8 is soda slush pump, and 9 is main circulation pump, and 10 is sedimentation basin, 11 is dehydration pump, and 12 is filter press, and 13 is lime pulping tank, 14 is lime white liquid pump, and 15 is pond, and 16 is mist eliminator flushing water pump.
Detailed description of the invention
Below in conjunction with Fig. 1 and Fig. 2, the utility model preferred embodiment is further illustrated:
A kind of dual alkali scrubbing FGD process dust arrester, comprise the sack cleaner 1 that connect corresponding to sulfur-containing smoke gas import, described sack cleaner 1 communicates by pipeline is corresponding with the air inlet of desulfurizing tower 2, the gas outlet of described desulfurizing tower 2 is corresponding with chimney 5 to be connected, described desulfurizing tower 2 is corresponding with soda serum pot 3 to be communicated with, and the waste liquid outlet of described desulfurizing tower 2 is corresponding with regenerated reactor 4 to communicate.First sulfur-containing smoke gas is carried out dedusting by sack cleaner, large particulate matter in sulfur-containing smoke gas is removed, and then by soda slurries, the sulfide in sulfur-containing smoke gas is absorbed in desulfurizing tower, and desulfurization product is sent in regenerated reactor regenerate, recycling.
Pipeline between described sack cleaner 1 and desulfurizing tower 2 is also serially connected with blower fan 6.Blower fan can provide initial velocity to sulfur-containing smoke gas, makes sulfur-containing smoke gas can overcome resistance in desulfurizing tower and fully contacts with soda slurries.
Described soda serum pot 3 communicates by pipeline is corresponding with clean solution tank 7, and be serially connected with soda slush pump 8 between, described clean solution tank 7 communicates by pipeline is corresponding with the liquid distributor 21 in desulfurizing tower 2, between described clean solution tank 7 and desulfurizing tower 2, be also provided with main circulation pump 9.Described regenerated reactor 4 is communicated with by pipeline is corresponding with lime pulping tank 13, lime white liquid pump 14 is serially connected with between described regenerated reactor 4 and lime pulping tank 13, the bottom of described regenerated reactor 4 is corresponding with sedimentation basin 10 to be communicated with, described sedimentation basin 10 is communicated with by pipeline is corresponding with filter press 12, between described sedimentation basin 10 and filter press 12, be provided with dehydration pump 11.When device starts, soda slurries and calcium hydroxide slurry all can configure at the scene, improve the operational efficiency of device, easily are automated control.Sedimentation basin is connected with filter press by pipeline, sedimentation basin is entered after the microsolubility species precipitate such as the calcium sulfate produced in regenerated reactor and calcium sulfite, then the process through filter press obtains the lower solid product of water content, is convenient to the treatment and disposal of these tailings.
Also be provided with demister 22 in described desulfurizing tower 2 inside, described demister 22 is positioned at the top of liquid distributor 21.Described demister 22 comprises be arranged in parallel up and down multiple, mist eliminator flushing shower nozzle 23 is provided with between every two demisters 22, described mist eliminator flushing shower nozzle 23 is communicated with by pipeline is corresponding with pond 15, is provided with mist eliminator flushing water pump 16 between mist eliminator flushing shower nozzle 23 and pond 15.Demister can be removed the smog produced in sulfur-containing smoke gas and soda slurry liquid contacts and foam, prevents these liquids to be discharged in chimney, improves the treatment effect to sulfur-containing smoke gas.Be provided with mist eliminator flushing shower nozzle between every two demisters, can be regularly removed the attachment on demister by mist eliminator flushing shower nozzle, prevent from impacting the use of demister.
Described pond 15 also respectively with soda serum pot 3, clean solution tank 7, lime pulping tank 13 is corresponding is communicated with, in described soda serum pot 3, clean solution tank 7, lime pulping tank 13, be equipped with agitator.Added water in soda serum pot, clean solution tank, lime pulping tank by pond, conveniently make up a prescription and clean, in soda serum pot, clean solution tank, lime pulping tank, be equipped with agitator, improve the service efficiency of these equipment.
Although done comparatively detailed elaboration to the technical solution of the utility model and enumerated; be to be understood that; to those skilled in the art; amendment is made to above-described embodiment or adopts equivalent replacement scheme; this is apparent to those skilled in the art; these modifications or improvements on the basis of not departing from the utility model spirit, all belong to the scope that the utility model is claimed.
Claims (7)
1. a dual alkali scrubbing FGD process dust arrester, comprise the sack cleaner (1) that connect corresponding to sulfur-containing smoke gas import, it is characterized in that: described sack cleaner (1) communicates by pipeline is corresponding with the air inlet of desulfurizing tower (2), the gas outlet of described desulfurizing tower (2) is corresponding with chimney (5) to be connected, described desulfurizing tower (2) is corresponding with soda serum pot (3) to be communicated with, and the waste liquid outlet of described desulfurizing tower (2) is corresponding with regenerated reactor (4) to communicate.
2. a kind of dual alkali scrubbing FGD process dust arrester according to claim 1, is characterized in that: the pipeline between described sack cleaner (1) and desulfurizing tower (2) is also serially connected with blower fan (6).
3. a kind of dual alkali scrubbing FGD process dust arrester according to claim 1, it is characterized in that: described soda serum pot (3) communicates by pipeline is corresponding with clean solution tank (7), and be serially connected with soda slush pump (8) between, described clean solution tank (7) communicates by pipeline is corresponding with the liquid distributor (21) in desulfurizing tower (2), is also provided with main circulation pump (9) between described clean solution tank (7) and desulfurizing tower (2).
4. a kind of dual alkali scrubbing FGD process dust arrester according to claim 1, it is characterized in that: described regenerated reactor (4) is communicated with by pipeline is corresponding with lime pulping tank (13), lime white liquid pump (14) is serially connected with between described regenerated reactor (4) and lime pulping tank (13), the bottom of described regenerated reactor (4) is corresponding with sedimentation basin (10) to be communicated with, described sedimentation basin (10) is communicated with by pipeline is corresponding with filter press (12), is provided with dehydration pump (11) between described sedimentation basin (10) and filter press (12).
5. a kind of dual alkali scrubbing FGD process dust arrester according to claim 1, it is characterized in that: be also provided with demister (22) in described desulfurizing tower (2) inside, described demister (22) is positioned at the top of liquid distributor (21).
6. a kind of dual alkali scrubbing FGD process dust arrester according to claim 5, it is characterized in that: described demister (22) comprises be arranged in parallel up and down multiple, mist eliminator flushing shower nozzle (23) is provided with between every two demisters (22), described mist eliminator flushing shower nozzle (23) is communicated with by pipeline is corresponding with pond (15), is provided with mist eliminator flushing water pump (16) between mist eliminator flushing shower nozzle (23) and pond (15).
7. a kind of dual alkali scrubbing FGD process dust arrester according to claim 6, it is characterized in that: described pond (15) also respectively with soda serum pot (3), clean solution tank (7), lime pulping tank (13) is corresponding is communicated with, and is equipped with agitator at described soda serum pot (3), clean solution tank (7), lime pulping tank in (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455451.4U CN204865519U (en) | 2015-06-30 | 2015-06-30 | Dual alkali scrubbing FGD process dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455451.4U CN204865519U (en) | 2015-06-30 | 2015-06-30 | Dual alkali scrubbing FGD process dust collector |
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| CN204865519U true CN204865519U (en) | 2015-12-16 |
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| CN201520455451.4U Expired - Fee Related CN204865519U (en) | 2015-06-30 | 2015-06-30 | Dual alkali scrubbing FGD process dust collector |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964144A (en) * | 2016-06-02 | 2016-09-28 | 江苏三井环保股份有限公司 | Three waste incineration comprehensive treatment system and method |
| CN108043204A (en) * | 2017-12-20 | 2018-05-18 | 上海电力学院 | A kind of high-calcium powder flue-gas desulphurization system and its application |
| CN108176215A (en) * | 2017-12-20 | 2018-06-19 | 张家港燎原环保科技有限公司 | Alkali desulphurization system |
| CN108362610A (en) * | 2018-03-25 | 2018-08-03 | 华电电力科学研究院有限公司 | A kind of density that can be self-cleaning and pH value accurate measuring systems and measurement method |
| CN111644061A (en) * | 2020-06-15 | 2020-09-11 | 碧水蓝天环境工程有限公司 | Wet-type dual-alkali desulfurization dust collector |
| CN112275123A (en) * | 2020-11-06 | 2021-01-29 | 安徽昊天生物科技有限公司 | Flue gas desulfurization device for sintering by sodium-calcium double-alkali method |
-
2015
- 2015-06-30 CN CN201520455451.4U patent/CN204865519U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964144A (en) * | 2016-06-02 | 2016-09-28 | 江苏三井环保股份有限公司 | Three waste incineration comprehensive treatment system and method |
| CN108043204A (en) * | 2017-12-20 | 2018-05-18 | 上海电力学院 | A kind of high-calcium powder flue-gas desulphurization system and its application |
| CN108176215A (en) * | 2017-12-20 | 2018-06-19 | 张家港燎原环保科技有限公司 | Alkali desulphurization system |
| CN108043204B (en) * | 2017-12-20 | 2024-01-26 | 上海电力学院 | High-calcium pulverized coal flue gas desulfurization system and application thereof |
| CN108362610A (en) * | 2018-03-25 | 2018-08-03 | 华电电力科学研究院有限公司 | A kind of density that can be self-cleaning and pH value accurate measuring systems and measurement method |
| CN111644061A (en) * | 2020-06-15 | 2020-09-11 | 碧水蓝天环境工程有限公司 | Wet-type dual-alkali desulfurization dust collector |
| CN112275123A (en) * | 2020-11-06 | 2021-01-29 | 安徽昊天生物科技有限公司 | Flue gas desulfurization device for sintering by sodium-calcium double-alkali method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160630 |