CN105413442A - Vertical desulfurization tower - Google Patents
Vertical desulfurization tower Download PDFInfo
- Publication number
- CN105413442A CN105413442A CN201510928037.5A CN201510928037A CN105413442A CN 105413442 A CN105413442 A CN 105413442A CN 201510928037 A CN201510928037 A CN 201510928037A CN 105413442 A CN105413442 A CN 105413442A
- Authority
- CN
- China
- Prior art keywords
- tower body
- tower
- vertical
- vertical desulfurizing
- desulfurizing tower
- Prior art date
- 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.)
- Pending
Links
- 238000006477 desulfuration reaction Methods 0.000 title abstract description 8
- 230000023556 desulfurization Effects 0.000 title abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 239000002002 slurry Substances 0.000 claims abstract description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 21
- 239000003546 flue gas Substances 0.000 claims description 21
- 230000003009 desulfurizing effect Effects 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 6
- 239000012716 precipitator Substances 0.000 claims description 5
- 230000002195 synergetic effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000012719 wet electrostatic precipitator Substances 0.000 abstract 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- 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
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/02—Enhancing the particle separation by electrostatic or magnetic effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/10—Means for removing the washing fluid dispersed in the gas or vapours
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/126—Semi-solid reactants, e.g. slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/40—Different types of filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a vertical desulfurization tower. The vertical desulfurization tower comprises a first tower body provided with a slurry tank, a second tower body provided with a reaction device, a third tower body provided with a wet electrostatic precipitator as well as a chimney, wherein the first tower body, the second tower body, the third tower body and the chimney are vertically connected in a sealed manner from bottom to top to form the tower body with a variable-diameter structure. The vertical desulfurization tower has the advantages of simple structure, small occupied area, low investment cost, high pollutant removal efficiency and good removal effect.
Description
Technical field
The invention belongs to filed of flue gas purification, especially relate to a kind of vertical desulfurizing tower.
Background technology
At present, Wet Flue Gas Desulfurization Technology because of desulfuration efficiency high, stable performance, be widely used in various gas cleaning engineering, but along with people are to the increase day by day of the Air Pollutant Emission attention rates such as PM2.5, originally the absorption tower of removing sulfur dioxide or nature draught cooling tower is only provided cannot to have met the requirement of minimum discharge, existing design is usually by desulfuration absorbing tower, wet electrical dust precipitator, chimney is separated and arranges, other flue gas processing device so additional then faces and needs land occupation, the drawbacks such as adding cost, the a lot of old power plant of Give and old smoke gas treatment project reconstruction bring very large restriction and difficulty.Existing integral type tower body is generally the identical or housing structure that diminishes gradually of diameter from bottom to top of upper and lower diameter, and this designs the reaction characteristics do not fully not taken into account in tower body different parts, affects the reaction efficiency of whole technological process.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides the vertical desulfurizing tower that a kind of floor space is little, contaminant removal efficiency is high, removal effect is good.
The technical solution adopted for the present invention to solve the technical problems is: a kind of vertical desulfurizing tower, comprise the first tower body being provided with slurry pool, the second tower body being provided with reaction unit, be provided with the 3rd tower body and chimney of wet electrical dust precipitator, described first tower body, the second tower body, the 3rd tower body and chimney are vertically tightly connected the tower body being formed and have variable-diameter structure from bottom to top.The demand of tower body to soil of vertical structure is less, and then reduces financial cost.
Further, the second tower body is provided with the passage entered for flue gas, and this passage is horizontal by the angle of 7-15 °.Promote flue gas toward with the tower body of passage right opposite in flow, make flue gas more uniformly flow to reaction unit.
Further, be connected by cone section between the second tower body and the 3rd tower body, the angle of this cone section outer wall and horizontal plane is α, 45 ° of < α < 90 °.
Further, the diameter of the second tower body is D
2, 4m < D
2< 16m.
Further, the diameter of the 3rd tower body is D
3, 8m < D
3< 24m.Between different functional units, change the flow velocity of flue gas by cone section, enable the flue gas flow rate that flue gas fully adapts to required for different units different phase, reduce the running resistance of whole system, reduce energy consumption.
Further, described 1≤D
2: D
3≤ 2.Ensure the stability of tower body.
Further, the height of tower body is 45-80m.
Further, reaction unit comprises 1-3 demister layer, a 1-6 spraying layer and 1-2 synergistic device layer.Both ensure that desulfuration efficiency, control cost simultaneously.
Further, spraying layer has the back pressure of 6-8mH.
Further, the support for supporting tower body is arranged with outside tower body.
The invention has the beneficial effects as follows that Stability Analysis of Structures simplifies system architecture, and eliminate the Flue duct design that routine arranges middle complexity, floor space is little, and then reduces cost, and the removal efficiency of pollutant is high, and removal effect is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Better the present invention program is understood in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
With reference to shown in Fig. 1, in figure, the direction of arrow is flow of flue gas direction, a kind of vertical desulfurizing tower, the whole height of tower body is 45-80m, comprise the first tower body 1 being provided with slurry pool, the second tower body 2 being provided with reaction unit, the 3rd tower body 3 being provided with wet electrical dust precipitator 31 and chimney 4, second tower body 2 is sealedly connected on the top of the first tower body 1 by the first cone section 51,3rd tower body 3 is sealedly connected on the top of the second tower body 2 by cone section 32, chimney is sealedly connected on the top of the 3rd tower body 3 by the second cone section 52, and the diameter of the second tower body 2 is D
2, D
2for 4-16m is arranged, the diameter of the 3rd tower body 3 is D
3, D
3for 8-24m is arranged, and D
2with D
3ratio be that 1-2 is arranged, be connected by the little cone section 32 of the large lower section in cross section, top between the second tower body 2 with the 3rd tower body 3, the sidewall of this cone section 32 is horizontal by the setting of α angle, and 45 ° of < α < 90 °.The sidewall of the second tower body 2 is provided with the passage 21 entered for flue gas, and this passage 21 is arranged horizontal by the angle of 7-15 °.Reaction unit comprises the demister layer 22 arranged from top to bottom, and its quantity is 1-3, spraying layer 23, and its quantity is 1-6, synergistic device layer 24, and its quantity is 1-2, and in order to improve reaction effect, spraying layer 23 has the back pressure of 6-8mH.The base portion of chimney is provided with reinforcement, and its exit is provided with brokenly solar or lunar halo.In order to improve the stability of tower body, the support for supporting tower body can also be set in tower body periphery.
Operation principle of the present invention is, it is inner that pending flue gas enters the second tower body 2 with the speed of 3.5-4m/s from passage 21, slurries in the first tower body 1 slurry pool of bottom squeeze into spraying layer 23 by pump, slurry spraying is also sprayed to flue gas by spraying layer 23 with 6-8mH back pressure under gravity, synergistic device layer 24 forms turbulent perturbation when flue gas passes through, it is made to collide with slurries equably, ensure that the collision dynamics between flue gas and drop and the time of staying, flue gas and slurries are fully reacted, enter bulky grain and drop that demister layer 22 removes entrained with in flue gas again, then flue gas flows to the wet electrical dust precipitator 31 in the 3rd tower body 3 with the speed of 2.2-2.7m/s, remove the fine dust in flue gas, flue gas after final purification is entered in air by chimney 4.
Above-mentioned detailed description of the invention is used for explaining and the present invention is described, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment make the present invention and change, all fall into protection scope of the present invention.
Claims (10)
1. a vertical desulfurizing tower, comprise the first tower body (1) being provided with slurry pool, the second tower body (2) being provided with reaction unit, the 3rd tower body (3) being provided with wet electrical dust precipitator (31) and chimney (4), it is characterized in that: described first tower body (1), the second tower body (2), the 3rd tower body (3) and chimney (4) are vertically tightly connected from bottom to top to be formed and have the tower body of variable-diameter structure.
2. vertical desulfurizing tower according to claim 1, is characterized in that: described second tower body (2) is provided with the passage (21) entered for flue gas, and this passage (21) is horizontal by the angle of 7-15 °.
3. vertical desulfurizing tower according to claim 1, it is characterized in that: be connected by cone section (32) between described second tower body (2) and the 3rd tower body (3), the angle of this cone section (32) outer wall and horizontal plane is α, 45 ° of < α < 90 °.
4. vertical desulfurizing tower according to claim 1, is characterized in that: the diameter of described second tower body (2) is D
2, 4m < D
2< 16m.
5. vertical desulfurizing tower according to claim 1, is characterized in that: the diameter of described 3rd tower body (3) is D
3, 8m < D
3< 24m.
6. the vertical desulfurizing tower according to claim 4 or 5, is characterized in that: described 1≤D
2: D
3≤ 2.
7. vertical desulfurizing tower according to claim 1, is characterized in that: the height of described tower body is 45-80m.
8. vertical desulfurizing tower according to claim 1, is characterized in that: described reaction unit comprises 1-3 demister layer (22), a 1-6 spraying layer (23) and 1-2 synergistic device layer (24).
9. vertical desulfurizing tower according to claim 8, is characterized in that: described spraying layer (23) has the back pressure of 6-8mH.
10. vertical desulfurizing tower according to claim 1, is characterized in that: be arranged with the support for supporting tower body outside described tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510928037.5A CN105413442A (en) | 2015-12-15 | 2015-12-15 | Vertical desulfurization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510928037.5A CN105413442A (en) | 2015-12-15 | 2015-12-15 | Vertical desulfurization tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105413442A true CN105413442A (en) | 2016-03-23 |
Family
ID=55492248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510928037.5A Pending CN105413442A (en) | 2015-12-15 | 2015-12-15 | Vertical desulfurization tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105413442A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105935548A (en) * | 2016-06-03 | 2016-09-14 | 北京中航泰达环保科技股份有限公司 | High efficiency desulfurization and dust removal integrated device |
| CN110465175A (en) * | 2018-05-10 | 2019-11-19 | 中国石油化工股份有限公司 | Flue-gas dust-removing and desulfurization tower and flue gas ash removal, desulfurization and wastewater treatment method |
| CN110465176A (en) * | 2018-05-10 | 2019-11-19 | 中国石油化工股份有限公司 | Flue-gas dust-removing and desulfurization tower and flue gas desulfurization and wastewater treatment method |
| CN110559817A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas dedusting, desulfurizing and wastewater treatment process |
| CN110559816A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas dedusting, desulfurization and wastewater treatment process |
| CN110559837A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas desulfurization and wastewater treatment process |
| CN114788995A (en) * | 2022-04-28 | 2022-07-26 | 中国华电科工集团有限公司 | Low-resistance energy-saving slurry spraying system for wet desulphurization and desulfurizing tower |
| CN114797409A (en) * | 2022-04-28 | 2022-07-29 | 中国华电科工集团有限公司 | Slurry spraying system for wet desulphurization and integrative tower of wet desulphurization and chimney |
| CN114849436A (en) * | 2022-04-28 | 2022-08-05 | 中国华电科工集团有限公司 | Low-resistance energy-saving wet desulphurization slurry spraying system and desulphurization, dehumidification and integration tower |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105935548A (en) * | 2016-06-03 | 2016-09-14 | 北京中航泰达环保科技股份有限公司 | High efficiency desulfurization and dust removal integrated device |
| CN110465176B (en) * | 2018-05-10 | 2021-10-08 | 中国石油化工股份有限公司 | Flue gas dust removal desulfurization tower and flue gas desulfurization and wastewater treatment method |
| CN110465175A (en) * | 2018-05-10 | 2019-11-19 | 中国石油化工股份有限公司 | Flue-gas dust-removing and desulfurization tower and flue gas ash removal, desulfurization and wastewater treatment method |
| CN110465176A (en) * | 2018-05-10 | 2019-11-19 | 中国石油化工股份有限公司 | Flue-gas dust-removing and desulfurization tower and flue gas desulfurization and wastewater treatment method |
| CN110465175B (en) * | 2018-05-10 | 2021-10-08 | 中国石油化工股份有限公司 | Flue gas dust removal desulfurization tower and flue gas dust removal, desulfurization and wastewater treatment method |
| CN110559817A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas dedusting, desulfurizing and wastewater treatment process |
| CN110559837B (en) * | 2018-06-05 | 2021-10-08 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas desulfurization and wastewater treatment process |
| CN110559816B (en) * | 2018-06-05 | 2021-10-08 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas dedusting, desulfurization and wastewater treatment process |
| CN110559817B (en) * | 2018-06-05 | 2021-10-08 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas dedusting, desulfurizing and wastewater treatment process |
| CN110559837A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas desulfurization and wastewater treatment process |
| CN110559816A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas dedusting, desulfurization and wastewater treatment process |
| CN114788995A (en) * | 2022-04-28 | 2022-07-26 | 中国华电科工集团有限公司 | Low-resistance energy-saving slurry spraying system for wet desulphurization and desulfurizing tower |
| CN114797409A (en) * | 2022-04-28 | 2022-07-29 | 中国华电科工集团有限公司 | Slurry spraying system for wet desulphurization and integrative tower of wet desulphurization and chimney |
| CN114849436A (en) * | 2022-04-28 | 2022-08-05 | 中国华电科工集团有限公司 | Low-resistance energy-saving wet desulphurization slurry spraying system and desulphurization, dehumidification and integration tower |
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Inventor after: Liu Maosheng Inventor after: Yang Xuefeng Inventor after: Liu Xiaoyan Inventor after: Sun Zhenlong Inventor after: Sun Qiming Inventor before: Zhou Junhu Inventor before: Liu Maosheng Inventor before: Yang Xuefeng Inventor before: Liu Xiaoyan Inventor before: Sun Zhenlong Inventor before: Sun Qiming |
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Application publication date: 20160323 |