CN103961999A - Biological flue gas desulfurization treatment system - Google Patents
Biological flue gas desulfurization treatment system Download PDFInfo
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- CN103961999A CN103961999A CN201310609036.5A CN201310609036A CN103961999A CN 103961999 A CN103961999 A CN 103961999A CN 201310609036 A CN201310609036 A CN 201310609036A CN 103961999 A CN103961999 A CN 103961999A
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- flue gas
- scrubbing tower
- biological desulphurization
- gas biological
- desulfurization
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a biological flue gas desulfurization treatment system, and solves the problems of higher operating cost and secondary pollution in the conventional flue gas desulfurization technology. According to the disclosed technology, higher pH and alkalinity of aerobic secondary sedimentation outlet water of a sewage treatment plant is skillfully utilized, and the system performs spraying and washing on flue gas, is high in desulfurization efficiency and has certain desulfurization and dust removal effects. The system is simple in technology operation, low in operating cost, stable and guaranteed in efficiency and very suitable for desulfurization, denitrification and dust removal of flue gas.
Description
Technical field
The present invention relates to a kind of flue gas biological desulphurization novel process, relate in particular to a kind of flue gas biological desulphurization scrubbing tower.
Background technology
Flue gas desulfurization of the prior art adopts following methods more:
Desulfurization by dry method: the method for using solid absorbent to remove flue gas, conventional dry flue gas desulphurization technology has active carbon adsorption, electron beam irradiation method, charged dry sorbent injection method, metal oxide doctor treatment.
The method advantage is that engineering investment cost is low.Shortcoming is that operating cost is high, causes secondary pollution, and sulfur dioxide removal efficiency is low, and absorbent utilization rate is also low.
Wet Flue Gas Desulfurization Technique: use the method for liquid-absorbant to flue gas washing, mainly can be divided into limestone/lime washing method, two alkaline process, ammonia process and sea water desulfuration, metal oxide absorption process etc. by the kind of desulfurizing agent.Cheap due to desulfurizing agent limestone/lime, limestone/lime washing method is the Wet Flue Gas Desulfurization Technique of current main flow at present.
This kind for the treatment of process advantage is that desulfuration efficiency is high, can reach more than 95%; Shortcoming is that investment and operating cost are all very high, complex process, and produce a large amount of solid waste, cause secondary pollution.
Existing flue gas desulfurization technique all exists operating cost higher, produces the shortcoming of secondary pollution.
Summary of the invention
The invention discloses a kind of flue gas biological desulphurization novel process, in order to solve in existing desulfur technology, exist operating cost higher, produce the shortcoming of secondary pollution.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
A flue gas biological desulphurization system, is characterized in that, comprises, and a flue gas biological desulphurization scrubbing tower, wherein flue gas is connected with the air inlet of flue gas biological desulphurization scrubbing tower by booster fan, GGH heat exchanger; The gas outlet of flue gas biological desulphurization scrubbing tower is connected with chimney by GGH heat exchanger; One aerobic system second pond water outlet, is connected with flue gas biological desulphurization scrubbing tower by spray pump, and spray liquid and the two tank drain pipe that settles out is connected; Described flue gas biological desulphurization system specifically comprises: a flue gas biological desulphurization scrubbing tower, and in order to carry out filler to increase gas-liquid contact area.
A flue gas biological desulphurization system, is characterized in that, comprising: a scrubbing tower, and described wash tower bottoms is provided with an air inlet, in order to receive flue gas; In described scrubbing tower, be provided with successively from top to bottom an one-level packing layer, an one-level spraying layer, a secondary packing layer, a secondary spraying layer; One demister.
Flue gas biological desulphurization scrubbing tower as above, is characterized in that, described secondary spraying layer and described one-level spraying layer are all connected with one or two waterpipes that settle out.
Flue gas biological desulphurization scrubbing tower as above, is characterized in that, described one-level packing layer and described secondary packing layer are made by polypropylene material.
Flue gas biological desulphurization scrubbing tower as above, is characterized in that, described scrubbing tower utilizes two basicity that settle out water to carry out spray washing, the sulfate radical in removal flue gas, inferior sulfate radical etc.
In sum, owing to having adopted technique scheme, the operating cost that flue gas biological desulphurization system of the present invention has solved existing flue gas desulfurization technique existence is higher, produce the problem of secondary pollution, technology disclosed by the invention is utilized the sewage treatment plant aerobic two abundant basicity resource of water that settles out dexterously, operation is flexible, and usefulness is stablized secure, is very suitable for flue gas desulfurization.
Accompanying drawing explanation
Fig. 1 is the process route view of flue gas biological desulphurization system of the present invention.
The specific embodiment
According to claim of the present invention and the disclosed content of summary of the invention, described in technical scheme of the present invention is specific as follows:
Fig. 1 is the process route view of flue gas biological desulphurization system of the present invention, refers to Fig. 1, and wherein flue gas is connected with the air inlet of flue gas biological desulphurization scrubbing tower 10 by booster fan, GGH heat exchanger; The gas outlet of flue gas biological desulphurization scrubbing tower is connected with chimney 30 by GGH heat exchanger; One aerobic system second pond 20 water outlets, are connected with flue gas biological desulphurization scrubbing tower by spray pump, and the spray liquid after washing and the two tank drain pipe that settles out is connected; Described flue gas biological desulphurization system specifically comprises: a flue gas biological desulphurization scrubbing tower, and in order to carry out filler to increase gas-liquid contact area.A kind of flue gas biological desulphurization scrubbing tower (the biological scrubbing tower of Bio-Scrubber), is characterized in that, comprising: a scrubbing tower, and described wash tower bottoms is provided with an air inlet, in order to receive organic pollution waste gas; In described scrubbing tower, be provided with successively from top to bottom an one-level packing layer 101, an one-level spraying layer 102, a secondary packing layer 103, a secondary spraying layer 104.One demister 105.
Described secondary spraying layer 104 of the present invention and described one-level spraying layer 102 are all connected with one or two water pipes that settle out.
Described one-level packing layer 101 of the present invention is made by polypropylene material with described secondary packing layer 103.
In one embodiment of the invention, operation principle of the present invention can be:
Flue gas enters from biological desulphurization wash tower bottoms, through one-level filler, stand one-level spray, and then through secondary filler, stand secondary spray, settle out Shuifu County containing basicity due to two, overwhelming majority sulfate radical/inferior sulfate radical is all washed in water body, gas from bottom to top, by demister, is provided with and utilizes a small amount of clear water spray demist at this, and the flue gas that then passes through desulfurization enters chimney by GGH and carries out high altitude discharge.
The cleaning solution of whole biological desulphurization scrubbing tower adopts second pond water outlet, and pH and basicity are higher, sulfate radical/inferior sulfate radical is removed to ability strong, through professional spout, prevents from stopping up, again uniform spraying effectively.Simultaneously special hydraulic structure, makes full use of washing away of spray waterpower, prevents fouling obstruction, good by type.
Flue gas biological desulphurization system desulfurization degree can reach more than 98%, simultaneously to NO
xalso have certain removal effect, denitration efficiency can reach more than 50%, and dust removing effects reaches more than 98% simultaneously.
In sum, owing to having adopted technique scheme, the operating cost that flue gas biological desulphurization system of the present invention has solved existing flue gas desulfurization technique existence is higher, produces the problem of secondary pollution.Technology disclosed by the invention has been utilized two the settle out higher pH of water and basicity resources, and flue gas is carried out to spray washing, and desulfuration efficiency is high, and has certain denitration effect.These technical operation are simple to operate, and operating cost is cheap, and usefulness is stablized secure, are very suitable for flue gas desulfurization denitration dust-removing.
Above preferred embodiment of the present invention is described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and the equipment of wherein not describing in detail to the greatest extent and structure are construed as with the common mode in this area to be implemented; Any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible changes and modification to technical solution of the present invention, or being revised as the equivalent embodiment of equivalent variations, this does not affect flesh and blood of the present invention.Therefore, every content that does not depart from technical solution of the present invention,, all still belongs in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (5)
1. a flue gas biological desulphurization system treatment system, flue gas is connected with the air inlet of flue gas biological desulphurization scrubbing tower 10 by booster fan, GGH heat exchanger; The gas outlet of flue gas biological desulphurization scrubbing tower is connected with chimney 30 by GGH heat exchanger; One aerobic system second pond 20 water outlets, are connected with flue gas biological desulphurization scrubbing tower by spray pump, and the spray liquid after washing and the two tank drain pipe that settles out is connected.
2. a flue gas biological desulphurization system treatment process, this technology utilization aerobic system two water that settles out contains higher pH and basicity, and the sulfate radical/inferior sulfate radical in spray washing flue gas also has good effect to denitration, dedusting simultaneously.
3. a flue gas biological desulphurization scrubbing tower, is characterized in that, comprising: a scrubbing tower, and described wash tower bottoms is provided with an air inlet, in order to receive flue gas; In described scrubbing tower, be provided with successively from top to bottom an one-level packing layer, an one-level spraying layer, a secondary packing layer, a secondary spraying layer; One demister.
4. flue gas biological desulphurization denitration dust collecting scrubbing tower according to claim 1, is characterized in that, described one-level packing layer and described secondary packing layer are made by polypropylene material.
5. flue gas biological desulphurization scrubbing tower according to claim 1, is characterized in that, described secondary spraying layer and described one-level spraying layer are all connected with one or two waterpipes that settle out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310609036.5A CN103961999A (en) | 2013-11-25 | 2013-11-25 | Biological flue gas desulfurization treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310609036.5A CN103961999A (en) | 2013-11-25 | 2013-11-25 | Biological flue gas desulfurization treatment system |
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| Publication Number | Publication Date |
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| CN103961999A true CN103961999A (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310609036.5A Pending CN103961999A (en) | 2013-11-25 | 2013-11-25 | Biological flue gas desulfurization treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853262A (en) * | 2022-04-14 | 2022-08-05 | 陕西善清环境科技有限公司 | Multi-energy cooperative heating sewage integrated treatment system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201850261U (en) * | 2010-11-09 | 2011-06-01 | 浙江大学 | Integral biological methane desulfurizer |
| CN102923905A (en) * | 2012-10-19 | 2013-02-13 | 佛山市新泰隆环保设备制造有限公司 | Method and devices for treating rare-earth-smelting wastewater |
-
2013
- 2013-11-25 CN CN201310609036.5A patent/CN103961999A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201850261U (en) * | 2010-11-09 | 2011-06-01 | 浙江大学 | Integral biological methane desulfurizer |
| CN102923905A (en) * | 2012-10-19 | 2013-02-13 | 佛山市新泰隆环保设备制造有限公司 | Method and devices for treating rare-earth-smelting wastewater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114853262A (en) * | 2022-04-14 | 2022-08-05 | 陕西善清环境科技有限公司 | Multi-energy cooperative heating sewage integrated treatment system |
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Application publication date: 20140806 |