CN105561741A - Multifunctional flue gas emission device of efficient absorption tower - Google Patents
Multifunctional flue gas emission device of efficient absorption tower Download PDFInfo
- Publication number
- CN105561741A CN105561741A CN201610086294.3A CN201610086294A CN105561741A CN 105561741 A CN105561741 A CN 105561741A CN 201610086294 A CN201610086294 A CN 201610086294A CN 105561741 A CN105561741 A CN 105561741A
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- flue gas
- reducer
- smoke
- efficient absorption
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention relates to a multifunctional flue gas emission device of an efficient absorption tower. The multifunctional flue gas emission device of the efficient absorption tower comprises an absorption tower body, a slurry tank located inside the absorption tower body and located under a flue gas inlet, a spraying portion arranged inside the absorption tower body and located above the flue gas inlet, a dust and mist remover arranged inside the absorption tower body and located above the spraying portion, a contraction reducing section C located above the dust and mist remover and a temporary chimney located above the contraction reducing section C, wherein the flue gas inlet is formed in the middle-lower portion of one side of the absorption tower body, and an opening formed in one side of the temporary chimney is connected with a clean flue duct. In a technical improvement project of desulphurization and under the condition that a clean flue duct and chimney transformation and corrosion prevention construction period is long and smoke discharge cannot be performed in time, the multifunctional flue gas emission device of the efficient absorption tower can ensure immediate production after completion of a flue gas desulphurization ultra-low technical improvement project.
Description
Technical field
The present invention relates to a kind of efficient absorption tower Multifunctional smoke tapping equipment, belong to flue gas desulfurization technique field.
Background technology
Along with China's economic development, electricity needs continues to increase, and haze long lasting effect, control PM2.5 refer to agenda.Local government, electric power enterprise propose one after another " minimum discharge ", " near-zero release ", " reaching combustion engine discharge standard " construction or transformation requirement." minimum discharge " technology, scientific guidance Thermal Power Generation Industry sustainable development ultra-clean is discharged.
Air Pollutant Emission of keeping under strict control that State Development and Reform Commission prints and distributes " coal electricity energy-saving and emission-reduction upgrading and transformation action plan (2014-2020) ".Newly-built Thermal generation unit (being contained in the unit built and included national construction of fire and electricity planning with project in) answers the advanced high-efficiency desulfurization of synchronized construction, denitration and dust removal installation, must not arrange gas bypass passage.The eastern region newly-built Thermal generation unit Air Pollutant Emission concentration such as (Liaoning, Beijing, Tianjin, Hebei, Shandong, Shanghai, Jiangsu, Zhejiang, Fujian, Guangdong, Hainan 11 provinces and cities) reaches gas turbine group emission limit (namely under benchmark oxygen content 6% condition, flue dust, sulfur dioxide, discharged nitrous oxides concentration is not respectively higher than 10,35,50 milligrams/cubic metre) substantially.The middle part new-built unit such as (Heilungkiang, Jilin, Shanxi, Anhui, Hubei, Hunan, Henan, Jiangxi 8 provinces) in principle close to or reach gas turbine group emission limit, encourage west area new-built unit close to or reach gas turbine group emission limit.Support that synchronously carrying out atmosphere pollution combination and cooperation removes, and reduces the pollutant emissions such as sulfur trioxide, mercury, arsenic.
Existing desulfurization tapping equipment is at desulfurization entrance SO
2concentration 3600mg//Nm
3time, desulfurization outlet SO
2concentration is 150mg/Nm
3, desulfuration efficiency is 95.8%, and desulfurizer exiting flue gas amount is 1550707Nm
3/ h.In flue gas desulfurization minimum discharge technology innovation project, the absorption tower original clean flue of outlet and chimney need to carry out anticorrosion maintenance process, because clean flue and chimney are transformed anticorrosion long in time limit, need again to go into operation immediately after desulfurization minimum discharge technological transformation, chimney transformation is anticorrosion also not to be completed, cause without meeting Production requirement, the minimum discharge of desulfurization simultaneously can not put into operation as scheduled, also just cannot meet minimum discharge sulfur dioxide (SO2) < 30mg/Nm
3emission request.In this case, be badly in need of a kind of effective tapping equipment and meet Production requirement.
Summary of the invention
For solving the problem, the object of invention is to provide a kind of efficient absorption tower Multifunctional smoke tapping equipment, to solve the demand of going into operation immediately after flue gas desulfurization minimum discharge technology innovation project completes.
The object of the invention is to be achieved through the following technical solutions:
A kind of efficient absorption tower Multifunctional smoke tapping equipment, comprising:
Absorption tower body, the middle and lower part of its side is provided with smoke inlet;
Slurry pool, it is positioned at the inside of described absorption tower body, and is positioned at the below of described smoke inlet;
Spray portion, it is arranged at the inside of described absorption tower body, and is positioned at the top of described smoke inlet, and described spray portion comprises four spraying layers, each spraying layer is equipped with multiple nozzle, and is provided with gas-liquid spoiler in described spray portion or between described spray portion and described smoke inlet;
Dedusting demister, it is arranged at the inside of described absorption tower body, and is positioned at the top in described spray portion;
Shrink reducer C, it is positioned at the top of described dedusting demister;
Temporary chimney, it is positioned at the top of described contraction reducer C, and a side opening of described temporary chimney is connected with clean flue, and the smoke outlet of described temporary chimney is provided with and shrinks reducer D; The smoke outlet of described temporary chimney and clean flue is equipped with dismountable blank flange.
Further, the inclined-plane of described contraction reducer C and horizontal direction angulation a are 30 °.
Further, the inclined-plane of described contraction reducer D and horizontal direction angulation b are 63 °.
Further, the height h of described temporary chimney
1be 11.68 meters, its diameter R
1it is 6.328 meters.
Further, the height h of described contraction reducer C
2it is 2.25 meters.
Further, the height h of described contraction reducer D
3be 1.67 meters, its base diameter R
2it is 5.02 meters.
Further, the diameter R of described clean flue
3it is 6.302 meters.
Beneficial effect of the present invention is:
Efficient absorption tower Multifunctional smoke tapping equipment of the present invention, in desulfurization technological transformation project, clean flue and chimney transformation anticorrosion long in time limit when can not lead to cigarette in time, can ensure after flue gas desulfurization minimum discharge technology innovation project terminates, go into operation immediately, desulfurization neat stress is discharged by the temporary chimney of smoke discharging device of the present invention, ensures at desulfurization entrance SO
2concentration is 3600mg//Nm
3time, desulfuration efficiency is not less than 99.17% and desulfurization outlet SO
2concentration is not more than 30mg/Nm
3stable operation.Efficient absorption tower Multifunctional smoke tapping equipment flue gas flow field of the present invention is evenly distributed, without bias current, resistance is little, little to the wearing and tearing of outlet downstream equipment, ensure that the stable operation of power plant's main frame, desulphurization system stable operation, extend service life, optimal design, to reduce costs, serve energy saving and cost lowering synergistic effect, there is great economic implications.
Accompanying drawing explanation
Fig. 1 is the structural representation of efficient absorption tower Multifunctional smoke tapping equipment of the present invention;
Wherein, 1-dedusting demister, 2-spray portion, 3-slurry pool, 4-smoke inlet, 5-temporary chimney, the clean flue of 6-, 7-shrinks reducer C, and 8-shrinks reducer D, 9-absorption tower body.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
A kind of efficient absorption tower Multifunctional smoke tapping equipment, comprising:
Absorption tower body 9, the middle and lower part of its side is provided with smoke inlet 4;
Slurry pool 3, it is positioned at the inside of described absorption tower body 9, and is positioned at the below of described smoke inlet 4;
Spray portion 2, it is arranged at the inside of described absorption tower body 9, and be positioned at the top of described smoke inlet 4, described spray portion 2 comprises four spraying layers, each spraying layer is equipped with multiple nozzle, and described spray portion 2 is interior or be provided with gas-liquid spoiler between described spray portion 2 and described smoke inlet 4;
Dedusting demister 1, it is arranged at the inside of described absorption tower body 9, and is positioned at the top in described spray portion 2;
Shrink reducer C7, it is positioned at the top of described dedusting demister 1, and flue gas is by shrinking reducer C7 uniform discharge to temporary chimney 5;
Temporary chimney 5, it is positioned at the top of described contraction reducer C7, and a side opening of described temporary chimney 5 is connected with clean flue 6, and the smoke outlet of described temporary chimney 5 is provided with and shrinks reducer D8; The smoke outlet of described temporary chimney 5 and clean flue 6 is equipped with dismountable blank flange.
Inclined-plane and the horizontal direction angulation a of described contraction reducer C7 are 30 °.
Inclined-plane and the horizontal direction angulation b of described contraction reducer D8 are 63 °.
The height h of described temporary chimney 5
1be 11.68 meters, its diameter R
1it is 6.328 meters.
The height h of described contraction reducer C7
2it is 2.25 meters.
The height h of described contraction reducer D8
3be 1.67 meters, its base diameter R
2it is 5.02 meters.
The diameter R of described clean flue 6
3it is 6.302 meters.
Efficient absorption tower Multifunctional smoke tapping equipment of the present invention, in desulfurization technological transformation project, clean flue and chimney transformation anticorrosion long in time limit when can not lead to cigarette in time, can ensure after flue gas desulfurization minimum discharge technology innovation project terminates, go into operation immediately, desulfurization neat stress is discharged by the temporary chimney of smoke discharging device of the present invention, ensures at desulfurization entrance SO
2concentration is 3600mg//Nm
3time, desulfuration efficiency is not less than 99.17% and desulfurization outlet SO
2concentration is not more than 30mg/Nm
3stable operation.Efficient absorption tower Multifunctional smoke tapping equipment flue gas flow field of the present invention is evenly distributed, without bias current, resistance is little, little to the wearing and tearing of outlet downstream equipment, ensure that the stable operation of power plant's main frame, desulphurization system stable operation, extend service life, optimal design, to reduce costs, serve energy saving and cost lowering synergistic effect, there is great economic implications.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. an efficient absorption tower Multifunctional smoke tapping equipment, is characterized in that, comprising:
Absorption tower body (9), the middle and lower part of its side is provided with smoke inlet (4);
Slurry pool (3), it is positioned at the inside on described absorption tower body (9), and is positioned at the below of described smoke inlet (4);
Spray portion (2), it is arranged at the inside on described absorption tower body (9), and be positioned at the top of described smoke inlet (4), described spray portion (2) comprises four spraying layers, each spraying layer is equipped with multiple nozzle, and described spray portion (2) is interior or be provided with gas-liquid spoiler between described spray portion (2) and described smoke inlet (4);
Dedusting demister (1), it is arranged at the inside on described absorption tower body (9), and is positioned at the top of described spray portion (2);
Shrink reducer C (7), it is positioned at the top of described dedusting demister (1);
Temporary chimney (5), it is positioned at the top of described contraction reducer C (7), one side opening of described temporary chimney (5) is connected with clean flue (6), and the smoke outlet of described temporary chimney (5) is provided with and shrinks reducer D (8); The smoke outlet of described temporary chimney (5) and clean flue (6) is equipped with dismountable blank flange.
2. efficient absorption tower Multifunctional smoke tapping equipment according to claim 1, is characterized in that, inclined-plane and the horizontal direction angulation a of described contraction reducer C (7) are 30 °.
3. efficient absorption tower Multifunctional smoke tapping equipment according to claim 1, is characterized in that, inclined-plane and the horizontal direction angulation b of described contraction reducer D (8) are 63 °.
4. efficient absorption tower Multifunctional smoke tapping equipment according to claim 1, is characterized in that, the height h of described temporary chimney (5)
1be 11.68 meters, its diameter R
1it is 6.328 meters.
5. efficient absorption tower Multifunctional smoke tapping equipment according to claim 1, is characterized in that, the height h of described contraction reducer C (7)
2it is 2.25 meters.
6. efficient absorption tower Multifunctional smoke tapping equipment according to claim 1, is characterized in that, the height h of described contraction reducer D (8)
3be 1.67 meters, its base diameter R
2it is 5.02 meters.
7. efficient absorption tower Multifunctional smoke tapping equipment according to claim 1, is characterized in that, the diameter R of described clean flue (6)
3it is 6.302 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610086294.3A CN105561741A (en) | 2016-02-15 | 2016-02-15 | Multifunctional flue gas emission device of efficient absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610086294.3A CN105561741A (en) | 2016-02-15 | 2016-02-15 | Multifunctional flue gas emission device of efficient absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105561741A true CN105561741A (en) | 2016-05-11 |
Family
ID=55872703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610086294.3A Pending CN105561741A (en) | 2016-02-15 | 2016-02-15 | Multifunctional flue gas emission device of efficient absorption tower |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5945081A (en) * | 1994-05-11 | 1999-08-31 | Babcock-Hitachi Kabushiki Kaisha | Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent |
| CN2711669Y (en) * | 2004-08-06 | 2005-07-20 | 鞍山绿冶热能工程技术有限公司 | Fin pipe type waste heat boiler for recovering waste heat of sintering cooling-machine |
| CN101219335A (en) * | 2007-09-29 | 2008-07-16 | 北京朗新明环保科技有限公司 | Continuous operation method for desulfurization absorption column and temporary bleeder for flue gas |
| CN203955026U (en) * | 2014-07-22 | 2014-11-26 | 福建爱美环保科技有限公司 | The high-efficiency desulfurization Static Electric Water demister that gathers dust |
| CN205340500U (en) * | 2016-02-15 | 2016-06-29 | 大唐环境产业集团股份有限公司 | High -efficient multi -functional flue gas discharging equipment in absorption tower |
-
2016
- 2016-02-15 CN CN201610086294.3A patent/CN105561741A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5945081A (en) * | 1994-05-11 | 1999-08-31 | Babcock-Hitachi Kabushiki Kaisha | Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent |
| CN2711669Y (en) * | 2004-08-06 | 2005-07-20 | 鞍山绿冶热能工程技术有限公司 | Fin pipe type waste heat boiler for recovering waste heat of sintering cooling-machine |
| CN101219335A (en) * | 2007-09-29 | 2008-07-16 | 北京朗新明环保科技有限公司 | Continuous operation method for desulfurization absorption column and temporary bleeder for flue gas |
| CN203955026U (en) * | 2014-07-22 | 2014-11-26 | 福建爱美环保科技有限公司 | The high-efficiency desulfurization Static Electric Water demister that gathers dust |
| CN205340500U (en) * | 2016-02-15 | 2016-06-29 | 大唐环境产业集团股份有限公司 | High -efficient multi -functional flue gas discharging equipment in absorption tower |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Yuxin Inventor after: Liu Chang Inventor after: Jiang Chengyu Inventor after: Li Chunyu Inventor after: Xia Shuang Inventor after: Li Yehong Inventor before: Liu Yuxin Inventor before: Liu Chang Inventor before: Lu Shengkuan |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160511 |