CN105413443A - Device for enhancing flue gas desulfurization effect - Google Patents
Device for enhancing flue gas desulfurization effect Download PDFInfo
- Publication number
- CN105413443A CN105413443A CN201510943433.5A CN201510943433A CN105413443A CN 105413443 A CN105413443 A CN 105413443A CN 201510943433 A CN201510943433 A CN 201510943433A CN 105413443 A CN105413443 A CN 105413443A
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- flue gas
- flue
- spray district
- wind
- absorption tower
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- 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
- 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
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a device for enhancing a flue gas desulfurization effect. The device comprises an absorption tower and a flue gas inlet pipe, wherein a spraying zone flue is further arranged between the absorption tower and the flue gas inlet pipe; a windward slurry spraying pipe and a leeward slurry spraying pipe are arranged in sequence in the spraying zone flue from the side of the absorption tower; a first nozzle pipeline is mounted on the windward slurry spraying pipe; first nozzles are mounted on the first nozzle pipeline; a second nozzle pipeline is mounted on the leeward slurry spraying pipe; second nozzles are mounted on the second nozzle pipeline. Since the spraying zone flue is arranged between the absorption tower and the flue gas inlet pipe, the pre-spraying treatment of flue gas with unstable temperature or flow is realized, the temperature of flue gas entering the absorption tower is reduced, damage of flue gas to internal elements such as a non-metal lining and a defogger in the absorption tower is reduced and in addition, the sulphur content of the flue gas entering the absorption tower is reduced, thereby achieving the effect of increasing the desulfurization rate.
Description
Technical field
The present invention relates to a kind of device strengthening flue gas desulfurization effect, particularly relate to a kind of flue gas desulfur device be used on desulfuration absorbing tower.
Background technology
In recent years, along with the appearance of national environmental protection policy, environmental emission standard requires also more and more higher.On the one hand, the time availability of desulphurization system need be improved, adopt none-disk terminal Flue duct design theory, flue gas only can lead to desulfuration absorbing tower, when boiler smoke temperature is high or circulating pump termination of pumping time, reduce desulfuration efficiency with the high-temperature flue gas absorbing slurry liquid contacts, and damage is caused to elements such as the non-metallic liner in absorption tower, demisters.On the other hand, traditional flue gas desulfur device can not meet existing application, need to increase demand by transformation boiler or newly constructed boiler, and original desulfurizer can not meet the desulfurization requirement of transforming rear or newly constructed boiler, this just needs to realize high desulfuration efficiency by increasing spraying layer or strengthening serum recycle amount, not only require very high to operating environment, also adds additional production cost.
Summary of the invention
Can not state environmental emissioning standard be met to overcome existing flue gas desulfur device, the invention provides a kind of device strengthening flue gas desulfurization effect.
For achieving the above object, the technical solution used in the present invention is: a kind of device strengthening flue gas desulfurization effect, comprise absorption tower and flue gas inlet tube, also be provided with between described absorption tower and described flue gas inlet tube and spray district's flue, in described spray district flue, self-absorption tower side starts to be provided with slurries shower and with the wind slurries shower against the wind successively, described contrary wind slurries shower is provided with first jet pipeline, described first jet pipeline is provided with first jet; The described shower of slurries is with the wind provided with second nozzle pipeline, and described second nozzle pipeline is provided with second nozzle, and the injection direction of described second nozzle is identical with flue gas flow direction, and the injection direction of described first jet is contrary with flue gas flow direction.
In such scheme, described first jet pipeline has one at least; Described second nozzle pipeline has one at least.
In such scheme, the angle between described contrary wind slurries shower and described first jet pipeline is 60 ° ~ 90 °, and the angle between the described shower of slurries with the wind and described second nozzle pipeline is 90 ° ~ 120 °.
In such scheme, be threaded connection between described first jet pipeline and described first jet, be threaded connection between described second nozzle pipeline and described second nozzle.
In such scheme, described spray district flue is also provided with flange, described spray district flue is divided into two sections by described flange, the spray district flue section at described contrary wind slurries shower, the described shower of slurries with the wind place in being in tilted layout, be connected with flue gas inlet tube spray district flue section be horizontally disposed.
In such scheme, be also provided with plate windward in the spray district flue section be in tilted layout, described plate is windward near described flange side.
In such scheme, described plate windward adopts the Plate Welding of Q235 on the inwall of described spray district flue, and and angle between the central axis in the spray district flue section be in tilted layout be 45 °.
In such scheme, described spray district stack base is provided with discharge outlet, and described discharge outlet is positioned at described in the spray district flue section be in tilted layout.
In such scheme, the distance of described contrary wind spray equipment and described absorbing tower wall is 300 ~ 600mm.
In such scheme, be provided with expansion joint between described spray district flue and described flue gas inlet tube, described flue gas inlet tube is also provided with chimney intake baffle door.
The present invention has positive effect: (1), by setting up spray district flue between desulfuration absorbing tower and flue gas inlet tube, not only can reach the effect of flue gas cool-down, alleviate the damage of flue gas to elements such as absorption tower inwall non-metallic liner and demisters; The substitute of the spraying layer can also set up as the boiler smoke tolerance increased or higher desulfuration efficiency carries out pretreatment to flue gas, when not doing larger transformation to the whole device of desulfurization, achieves the effect of desulfurizer high desulfurization rate; (2) on spray district flue, be provided with plate windward, block sprayed slurry and be back to flue gas inlet tube, thus realize sprayed slurry and be back in absorption tower, so that the recycling of slurries.(3) design of this spray district flue, not only reduce the temperature that flue gas enters absorption tower, extend the service life of absorption tower and inner member, and reduce production cost, device structure is simple, easy to operate.
Accompanying drawing explanation
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation.
Fig. 1 is flue gas desulfurization enhancing device schematic diagram of the present invention.
In figure: 1. absorption tower; 2. chimney intake baffle door; 3. expansion joint; 4. spray district's flue; 5. plate windward; 6. slurries shower with the wind; 7. second nozzle; 8. contrary wind slurries shower; 9. first jet; 10. discharge outlet; 11. flanges; 12. flue gas inlet tubes.
Detailed description of the invention
As shown in Figure 1, the device of enhancing flue gas desulfurization effect of the present invention, comprise absorption tower 1 and flue gas inlet tube 12, be provided with between absorption tower 1 and described flue gas inlet tube 12 and spray district's flue 4, in spray district flue 4, self-absorption tower 1 side starts to be provided with slurries shower 8 and with the wind slurries shower 6 against the wind successively, spray equipment 8 is 300 ~ 600mm with the distance of absorption tower 1 tower wall against the wind, effectively can shorten the distance of flue, reduce its cost.Described contrary wind slurries shower 8 is provided with first jet pipeline, and described first jet pipeline has been threaded first jet 9; The described shower of slurries with the wind 6 is provided with second nozzle pipeline, and described second nozzle pipeline has been threaded second nozzle 7.The injection direction of described second nozzle 7 is identical with flue gas flow direction, and the injection direction of described first jet 9 is contrary with flue gas flow direction.
Preferably, angle against the wind between slurries shower 8 and described first jet pipeline is 60 ° ~ 90 °, angle with the wind between slurries shower 6 and described second nozzle pipeline is 90 ° ~ 120 °, two these special arrangements of nozzle pipe, in conjunction with the set-up mode of first jet 9 and second nozzle, the abundant mixing of gas-liquid can be realized, thus reach best desulfurized effect.Preferably, first jet 9 and second nozzle 7 are all selected and are sprayed spiral nozzle with the wind, not only avoid clogging, also a saving cost.Be provided with discharge outlet 10 bottom spray district flue 4, the hydrops had in spray district flue 4 can be discharged in time.Preferably, between spray district flue 4 and flue gas inlet tube 12, be provided with expansion joint 3, ensure that the sealing between flue gas inlet tube and spray district flue 4, flue gas inlet tube 12 is also provided with chimney intake baffle door 2.Preferably, described spray district flue 4 is also provided with flange 11, described spray district flue 4 is divided into two sections by described flange 11, described contrary wind slurries shower 8, the spray district flue section at the described shower 6 of slurries with the wind place is in being in tilted layout, be connected with flue gas inlet tube 12 spray district flue section be horizontally disposed, plate (5) windward is also provided with in the spray district flue section be in tilted layout, described plate windward (5) is near described flange (11) side, plate (5) adopts the Plate Welding of Q235 on the inwall of described spray district flue (4) windward, and and angle between the central axis in the spray district flue section be in tilted layout be 45 °, on the one hand, when plate 5 windward existing a large amount of fouling or first jet 9 or second nozzle 7 and breaking down, can by flange 11 be dismantled, directly examine and replace process is carried out to the parts broken down.On the other hand, because the spray district flue section at contrary wind slurries shower 8, the described shower of slurries with the wind 6 and plate 5 place is windward in being in tilted layout, and plate 5 is 45 ° with the angle of spray district flue 4 central axis windward, be in the uptake of the shower of slurries with the wind 6 in the spray district flue that is in tilted layout, slurries can not only be made to be back to absorption tower 1 recycle, the adverse current of sprayed slurry can also be prevented most effectively.
The course of work of the present invention is: when the flue gas containing sulfur dioxide passes through spray district's flue 4 from flue gas inlet tube 12, first jet 9 and second nozzle 7 sprayed slurry, slurries and flue gas fully mix and carry out mass transfer and absorb part sulfur dioxide in flue gas, to reach the pre-spray process of temperature or instability of flow flue gas, thus to significantly reduce the cigarette temperature of flue gas and the damage to absorption tower 1 inner member.And plate 5 is windward provided with on spray district flue 4, block sprayed slurry and be back to flue, thus realize sprayed slurry and be back in absorption tower 1, so that the recycling of slurries.Preferably, the nozzle on spray piping selects spiral nozzle, not only avoid clogging, also a saving cost.The present invention sprays district's flue 4 by being provided with between absorption tower 1 and described flue gas inlet tube 12, achieve the pre-spray process of temperature or instability of flow flue gas, reduce the temperature that flue gas enters absorption tower, alleviate the damage of flue gas to absorption tower inner member, and also reduce flue gas and enter sulfur content in absorption tower, and then reach the effect improving desulfurization degree.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to this practicality; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. one kind strengthens the device of flue gas desulfurization effect, comprise absorption tower (1) and flue gas inlet tube (12), it is characterized in that, also be provided with between described absorption tower (1) and described flue gas inlet tube (12) and spray district's flue (4), described spray district flue (4) interior self-absorption tower (1) side starts to be provided with slurries shower (8) and with the wind slurries shower (6) against the wind successively, described contrary wind slurries shower (8) is provided with first jet pipeline, described first jet pipeline is provided with first jet (9); The described shower of slurries with the wind (6) is provided with second nozzle pipeline, described second nozzle pipeline is provided with second nozzle (7), the injection direction of described second nozzle (7) is identical with flue gas flow direction, and the injection direction of described first jet (9) is contrary with flue gas flow direction.
2. a kind of device strengthening flue gas desulfurization effect according to claim 1, is characterized in that, described first jet pipeline has one at least; Described second nozzle pipeline has one at least.
3. a kind of device strengthening flue gas desulfurization effect according to claim 2, it is characterized in that, angle between described contrary wind slurries shower (8) and any described first jet pipeline is 60 ° ~ 90 °, and the angle between the described shower of slurries with the wind (6) and any described second nozzle pipeline is 90 ° ~ 120 °.
4. a kind of device strengthening flue gas desulfurization effect according to claim 2, it is characterized in that, be threaded connection between described first jet pipeline and described first jet (9), be threaded connection between described second nozzle pipeline and described second nozzle (7).
5. a kind of device strengthening flue gas desulfurization effect according to claim 1, it is characterized in that, described spray district flue (4) is also provided with flange (11), described spray district flue (4) is divided into two sections by described flange (11), the spray district flue section at described contrary wind slurries shower (8), the described shower of slurries with the wind (6) place in being in tilted layout, be connected with flue gas inlet tube (12) spray district flue section be horizontally disposed.
6. a kind of device strengthening flue gas desulfurization effect according to claim 5, is characterized in that, is also provided with plate (5) windward in the spray district flue section be in tilted layout, and described plate windward (5) is near described flange (11) side.
7. a kind of device strengthening flue gas desulfurization effect according to claim 6, it is characterized in that, described plate windward (5) adopts the Plate Welding of Q235 on the inwall of described spray district flue (4), and and angle between the central axis in the spray district flue section be in tilted layout be 45 °.
8. a kind of device strengthening flue gas desulfurization effect according to claim 5, is characterized in that, described spray district flue (4) bottom is provided with discharge outlet (10), and described discharge outlet (10) is positioned at described in the spray district flue section be in tilted layout.
9. a kind of device strengthening flue gas desulfurization effect according to claim 1, is characterized in that, described contrary wind spray equipment (8) is 300 ~ 600mm with the distance of described absorption tower (1) tower wall.
10. a kind of device strengthening flue gas desulfurization effect according to claim 1, it is characterized in that, be provided with expansion joint (3) between described spray district flue (4) and described flue gas inlet tube (12), described flue gas inlet tube (12) be also provided with chimney intake baffle door (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510943433.5A CN105413443B (en) | 2015-12-17 | 2015-12-17 | A kind of device for strengthening flue gas desulfurization effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510943433.5A CN105413443B (en) | 2015-12-17 | 2015-12-17 | A kind of device for strengthening flue gas desulfurization effect |
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| Publication Number | Publication Date |
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| CN105413443A true CN105413443A (en) | 2016-03-23 |
| CN105413443B CN105413443B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510943433.5A Active CN105413443B (en) | 2015-12-17 | 2015-12-17 | A kind of device for strengthening flue gas desulfurization effect |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413443B (en) * | 2015-12-17 | 2018-05-08 | 江苏鲲鹏环保工程技术有限公司 | A kind of device for strengthening flue gas desulfurization effect |
| CN108543407A (en) * | 2018-04-16 | 2018-09-18 | 哈尔滨理工大学 | Boiler flue gas purification desulfurizer |
| CN113797718A (en) * | 2021-09-08 | 2021-12-17 | 华能南京金陵发电有限公司 | Vapour electricity double-drive draught fan flue arranges stabilizing mean |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104015A (en) * | 1993-04-09 | 1995-06-21 | 巴布科克-日立公司 | Wet type flue gas desulfurizer |
| JP2011255370A (en) * | 2010-05-13 | 2011-12-22 | Toda Kogyo Corp | Wet type flue gas desulfurization apparatus using three-way spray nozzle |
| CN203379781U (en) * | 2013-06-27 | 2014-01-08 | 攀枝花攀钢集团设计研究院有限公司 | Flue gas desulfurization tower |
| CN105013313A (en) * | 2015-08-03 | 2015-11-04 | 中石化南京工程有限公司 | Flue gas desulfurization device based on ammonia-ammonium sulfate method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413443B (en) * | 2015-12-17 | 2018-05-08 | 江苏鲲鹏环保工程技术有限公司 | A kind of device for strengthening flue gas desulfurization effect |
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2015
- 2015-12-17 CN CN201510943433.5A patent/CN105413443B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104015A (en) * | 1993-04-09 | 1995-06-21 | 巴布科克-日立公司 | Wet type flue gas desulfurizer |
| JP2011255370A (en) * | 2010-05-13 | 2011-12-22 | Toda Kogyo Corp | Wet type flue gas desulfurization apparatus using three-way spray nozzle |
| CN203379781U (en) * | 2013-06-27 | 2014-01-08 | 攀枝花攀钢集团设计研究院有限公司 | Flue gas desulfurization tower |
| CN105013313A (en) * | 2015-08-03 | 2015-11-04 | 中石化南京工程有限公司 | Flue gas desulfurization device based on ammonia-ammonium sulfate method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413443B (en) * | 2015-12-17 | 2018-05-08 | 江苏鲲鹏环保工程技术有限公司 | A kind of device for strengthening flue gas desulfurization effect |
| CN108543407A (en) * | 2018-04-16 | 2018-09-18 | 哈尔滨理工大学 | Boiler flue gas purification desulfurizer |
| CN113797718A (en) * | 2021-09-08 | 2021-12-17 | 华能南京金陵发电有限公司 | Vapour electricity double-drive draught fan flue arranges stabilizing mean |
| CN113797718B (en) * | 2021-09-08 | 2024-02-02 | 华能南京金陵发电有限公司 | Steam-electricity double-drive induced draft fan flue arrangement stabilizing mechanism |
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| CN105413443B (en) | 2018-05-08 |
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