CN204201922U - Flue gas processing device after a kind of coal boiler - Google Patents
Flue gas processing device after a kind of coal boiler Download PDFInfo
- Publication number
- CN204201922U CN204201922U CN201420687776.0U CN201420687776U CN204201922U CN 204201922 U CN204201922 U CN 204201922U CN 201420687776 U CN201420687776 U CN 201420687776U CN 204201922 U CN204201922 U CN 204201922U
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- CN
- China
- Prior art keywords
- dust precipitator
- electrical dust
- wet electrical
- flue gas
- absorbing tower
- Prior art date
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000003546 flue gas Substances 0.000 title claims abstract description 34
- 239000003245 coal Substances 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 66
- 239000012716 precipitator Substances 0.000 claims abstract description 64
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000001997 corrosion-resisting alloy Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
Flue gas processing device after a kind of coal boiler, it comprises the desulfuration absorbing tower be connected with coal-burning boiler, the wet electrical dust precipitator be connected with described desulfuration absorbing tower, described wet electrical dust precipitator is arranged on directly over described desulfuration absorbing tower, and described wet electrical dust precipitator is vertical wet electrical dust precipitator.Flue gas processing device after a kind of coal boiler provided by the utility model, can reduce engineering land used, significantly reduce construction costs, reduce air and gas system resistance, reduce blower fan power consumption, improve Boiler Economical Operation, arrange after simplifying Boiler Furnace, the aesthetic measure of general layout and facade after raising stove.
Description
Technical field
The utility model relates to flue gas processing device after a kind of coal boiler.
Background technology
After existing coal boiler in fume treatment scheme, the general flue gas that adopts, after air-introduced machine boosting, enters desulfuration absorbing tower, wet electrical dust precipitator successively, enters the mode of air finally by chimney.Wherein, desulfuration absorbing tower, wet electrical dust precipitator, chimney be order tiled arrangements all on the ground, there is the shortcomings such as floor space is large, flue gas system has some setbacks, construction investment is high, air-introduced machine operation power consumption is high and system layout complicated, crowded.
Utility model content
The technical problems to be solved in the utility model is to provide flue gas processing device after a kind of coal boiler, to reduce or to avoid problem noted earlier.
For solving the problems of the technologies described above, the utility model proposes flue gas processing device after a kind of coal boiler, it comprises the desulfuration absorbing tower be connected with coal-burning boiler, the wet electrical dust precipitator be connected with described desulfuration absorbing tower, described wet electrical dust precipitator is arranged on directly over described desulfuration absorbing tower, and described wet electrical dust precipitator is vertical wet electrical dust precipitator.
Preferably, above described wet electrical dust precipitator, chimney is installed.
Preferably, above described wet electrical dust precipitator, Smoke-heating device is installed.
Preferably, between described desulfuration absorbing tower and described wet electrical dust precipitator, mechanical type demister is installed.
Flue gas processing device after a kind of coal boiler provided by the utility model, it adopts desulfuration absorbing tower, wet electrical dust precipitator and chimney integrated arrangement scheme.Namely install wet electrical dust precipitator on desulfuration absorbing tower top, and utilize the part of channel height as chimney for desulfuration absorbing tower and wet electrical dust precipitator, continue on wet electrical dust precipitator top construction chimney, and flue gas is entered air.Under the condition meeting environmental impact assessment requirement, also special chimney can not be set, directly by wet electrical dust precipitator, flue gas be entered air.This arrangement can reduce engineering land used, significantly reduces construction costs, reduces air and gas system resistance, reduces blower fan power consumption, improves Boiler Economical Operation, arranges after simplifying Boiler Furnace, the aesthetic measure of general layout and facade after raising stove.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein,
Fig. 1 is the structural representation of flue gas processing device after a kind of coal boiler according to a specific embodiment of the present utility model.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.Wherein, identical parts adopt identical label.
Fig. 1 is the structural representation of flue gas processing device after a kind of coal boiler according to a specific embodiment of the present utility model, shown in Figure 1, the utility model provides flue gas processing device after a kind of coal boiler, it comprises the desulfuration absorbing tower 1 be connected with coal-burning boiler (not shown), the wet electrical dust precipitator 2 be connected with described desulfuration absorbing tower 1, described wet electrical dust precipitator 2 is arranged on directly over described desulfuration absorbing tower 1, and described wet electrical dust precipitator 2 is vertical wet electrical dust precipitator.
After boosting from the flue gas of coal-burning boiler generation via air-introduced machine (not shown), enter described desulfuration absorbing tower 1, because described wet electrical dust precipitator 2 is arranged on directly over described desulfuration absorbing tower 1, that is to say that described wet electrical dust precipitator 2 and described desulfuration absorbing tower 1 are with tower construction, therefore, flue gas can enter described wet electrical dust precipitator 2 from described desulfuration absorbing tower 1 very smoothly, the passage of described desulfuration absorbing tower 1 and described wet electrical dust precipitator 2 is after superposition, the effect of lifting smoke height can be played, that is the passage of described desulfuration absorbing tower 1 and described wet electrical dust precipitator 2 can play the effect of chimney after superposition, therefore, under flue gas after treatment meets the condition that environmental impact assessment requires, special chimney can not be set, and directly by described wet electrical dust precipitator 2, flue gas is entered air.
Described desulfuration absorbing tower 1 can select the structure such as spray column, liquid column tower.Described wet electrical dust precipitator 2 is vertical wet electrical dust precipitator, and flue gas enters described wet electrical dust precipitator 2 after described desulfuration absorbing tower 1, carries out electrostatic precipitation process in described wet electrical dust precipitator 2 inside; Wet flue gas condenses and forms uniform water film after the anode of described wet electrical dust precipitator 2, and simultaneously described wet electrical dust precipitator 2 can be provided with rinse spray system and carrys out antianode system and effectively clean.Wet flue gas condensate water and flushing waste water (being referred to as wet electrical dust precipitator waste water) directly enter described desulfuration absorbing tower 1, because the anode of described wet electrical dust precipitator 2 and cathod system all can adopt essential anti-corrosion material (such as carbon fiber glass fiber reinforced plastic, titanium alloy etc.) to make, therefore do not need continuous continual rinsing to protect anode system, so the total amount of described wet electrical dust precipitator waste water is less, the desulphurization system water balance of described desulfuration absorbing tower 1 can not be affected; Meanwhile, described wet electrical dust precipitator waste water contains the customary impurities such as dust, gypsum, also can not affect the material balance of desulphurization system.
Described wet electrical dust precipitator 2 is arranged in described desulfuration absorbing tower 1 top, syndeton can adopt membranous wall bearing structure (namely being supported described wet electrical dust precipitator 2 by described desulfuration absorbing tower 1), also can adopt self-support steelframe bearing structure (i.e. the independent steelframe arranged for supporting described wet electrical dust precipitator 2).The supporting way of the internal anode module of described wet electrical dust precipitator 2 can be girder frame structure, and anode module adopts electroconductive frp anode tube; Cathod system adopts top suspended structure, and cathode line and framework adopt the anticorrosion alloy steel such as titanium alloy; Power-supply system is connected with cathode frame by high-voltage connection, and adopt insulated porcelain sleeve to insulate with the external world, insulated porcelain sleeve place can be provided with electric heating system and enclosed air system, thus can ensure wet electrical dust precipitator system insulation grade.
Due to described desulfuration absorbing tower 1 and described wet electrical dust precipitator 2, to design flue gas flow rate generally different, the design flue gas flow rate of usual described desulfuration absorbing tower 1, slightly larger than the design flue gas flow rate of described wet electrical dust precipitator 2, therefore can adopt reducing to connect and ensure that flue gas circulation is smooth and easy between described desulfuration absorbing tower 1 and described wet electrical dust precipitator 2.
In a preferred embodiment, above described wet electrical dust precipitator 2, chimney 3 is installed.Described chimney 3 is as fume emission mouth, and Main Function is lifting smoke height, reduces coal-burning boiler peripheral region pollutant flooring concentration, and it cuts little ice to the minimizing of flue gas pollutant total amount.Present stage, coal-burning boiler generally adopts environmental protection technique transformation, adopt high-efficiency desulfurization denitration and wet electrical dust precipitator technology, can strive that realizing pollutant emission reaches gas fired-boiler level, compared to the emission request that " fossil-fuel power plant atmospheric pollutant emission standard " (GB-13223-2011) specifies, nitrogen oxide, sulfur dioxide, soot emissions total amount all can reduce about 50% and even reach near-zero release, that is, under same pollutant flooring concentration condition, chimney height can be made to reduce by adopting high-efficiency desulfurization denitration and wet electrical dust precipitator technology, also the height of described chimney 3 can just greatly be reduced.Described chimney 3 can adopt the corrosion-resisting alloy steels such as titanium alloy, and cross section can adopt square or circular configuration.When described chimney 3 adopts circular cross-section, be conducive to ensureing chimney intensity, described chimney 3 and wet electrical dust precipitator can adopt membranous wall bearing structure to connect.
In a preferred embodiment, above described wet electrical dust precipitator 2, Smoke-heating device (not shown) is installed.By arranging Smoke-heating device, effectively can improve atmosphere hoist height, minimizing " Mao Baiyan " phenomenon, described Smoke-heating device can be GGH.
Gather at a preferred embodiment, between described desulfuration absorbing tower 1 and described wet electrical dust precipitator 2, mechanical type demister 4 is installed.Effectively can reduce droplet and the carrying amount such as dust of the outlet of described desulfuration absorbing tower 1 like this.
Flue gas processing device after a kind of coal boiler provided by the utility model, it adopts desulfuration absorbing tower, wet electrical dust precipitator and chimney integrated arrangement scheme.Namely install wet electrical dust precipitator on desulfuration absorbing tower top, and utilize the part of channel height as chimney for desulfuration absorbing tower and wet electrical dust precipitator, continue on wet electrical dust precipitator top construction chimney, and flue gas is entered air.Under the condition meeting environmental impact assessment requirement, also special chimney can not be set, directly by wet electrical dust precipitator, flue gas be entered air.This arrangement can reduce engineering land used, significantly reduces construction costs, and reduction air and gas system resistance, reduces blower fan power consumption, improve Boiler Economical Operation, simplifies boiler rear portion and arranges, the aesthetic measure of general layout and facade after raising stove.
Although it will be appreciated by those skilled in the art that the utility model is described according to the mode of multiple embodiment, not each embodiment only comprises an independently technical scheme.So describe in description be only used to clear for the purpose of; description should integrally be understood by those skilled in the art, and regards technical scheme involved in each embodiment as the mode that mutually can be combined into different embodiment to understand protection domain of the present utility model.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present utility model and principle, amendment and combination, all should belong to the scope of the utility model protection.
Claims (4)
1. flue gas processing device after a coal boiler, it comprises the desulfuration absorbing tower be connected with coal-burning boiler, the wet electrical dust precipitator be connected with described desulfuration absorbing tower, it is characterized in that, described wet electrical dust precipitator is arranged on directly over described desulfuration absorbing tower, and described wet electrical dust precipitator is vertical wet electrical dust precipitator.
2. flue gas processing device after coal boiler according to claim 1, is characterized in that, is provided with chimney above described wet electrical dust precipitator.
3. flue gas processing device after coal boiler according to claim 1, is characterized in that, is provided with Smoke-heating device above described wet electrical dust precipitator.
4. flue gas processing device after coal boiler according to claim 1, is characterized in that, is provided with mechanical type demister between described desulfuration absorbing tower and described wet electrical dust precipitator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420687776.0U CN204201922U (en) | 2014-11-17 | 2014-11-17 | Flue gas processing device after a kind of coal boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420687776.0U CN204201922U (en) | 2014-11-17 | 2014-11-17 | Flue gas processing device after a kind of coal boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204201922U true CN204201922U (en) | 2015-03-11 |
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ID=52659878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420687776.0U Active CN204201922U (en) | 2014-11-17 | 2014-11-17 | Flue gas processing device after a kind of coal boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204201922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525485A (en) * | 2018-06-14 | 2018-09-14 | 山东焦化技术咨询服务有限公司 | A kind of cock-oven gas purifying system and method for dust minimum discharge |
-
2014
- 2014-11-17 CN CN201420687776.0U patent/CN204201922U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525485A (en) * | 2018-06-14 | 2018-09-14 | 山东焦化技术咨询服务有限公司 | A kind of cock-oven gas purifying system and method for dust minimum discharge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200409 Address after: Room 307, 3 / F, building 3, No.8 yard, Haiying Road, Science City, Fengtai District, Beijing 100070 Patentee after: BEIJING XING SHENG TECHNOLOGY Co.,Ltd. Address before: 100097 Beijing city Haidian District landianchang road fine snow Park No. 7 Building 1 unit 10A Patentee before: Li Aiyun |