CN105413443B - A kind of device for strengthening flue gas desulfurization effect - Google Patents
A kind of device for strengthening flue gas desulfurization effect Download PDFInfo
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- CN105413443B CN105413443B CN201510943433.5A CN201510943433A CN105413443B CN 105413443 B CN105413443 B CN 105413443B CN 201510943433 A CN201510943433 A CN 201510943433A CN 105413443 B CN105413443 B CN 105413443B
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- flue gas
- flue
- spraying zone
- wind
- jet
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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 present invention relates to a kind of device for strengthening flue gas desulfurization effect, including absorption tower and flue gas inlet tube, spraying zone flue is additionally provided between the absorption tower and the flue gas inlet tube, self-absorption tower side starts to be equipped with contrary wind slurries spray tube and with the wind slurries spray tube successively in the spraying zone flue, first jet pipeline is installed on the contrary wind slurries spray tube, first jet is installed on the first jet pipeline；Second nozzle pipeline is installed on the spray tube of slurries with the wind, second nozzle is installed on the second nozzle pipeline.The present invention between absorption tower and the flue gas inlet tube by being equipped with spraying zone flue, realize temperature or the pre- spray process of instability of flow flue gas, reduce the temperature that flue gas enters absorption tower, alleviate damage of the flue gas to the absorption built-in component such as inner wall of tower non-metallic liner and demister, and also reduce flue gas into the sulfur content in absorption tower, and then improve the effect of desulfurization degree.
Description
Technical field
The present invention relates to a kind of device for strengthening flue gas desulfurization effect, more particularly to a kind of cigarette with desulfuration absorbing tower
Desulfurization device.
Background technology
In recent years, as the appearance of national environmental protection policy, environmental emission standard require also higher and higher.On the one hand, need to carry
The time availability of high desulphurization system, using none-disk terminal Flue duct design theory, flue gas is only capable of leading to desulfuration absorbing tower, works as boiler smoke
When temperature degree height or circulating pump termination of pumping, the high-temperature flue gas with absorbing slurry liquid contacts reduces desulfuration efficiency, and in absorption tower
The elements such as non-metallic liner, demister cause to damage.On the other hand, traditional flue gas desulfurization device has been unable to meet existing answer
With, it is necessary to increase demand by transforming boiler or newly constructed boiler, and original desulfurizer cannot meet after transformation or newly-built pot
The desulfurization requirement of stove, this just needs to realize high desulfuration efficiency by increasing spraying layer or increasing serum recycle amount, not only right
Operating environment requirement is very high, also adds additional production cost.
The content of the invention
In order to overcome existing flue gas desulfurization device to meet state environmental emissioning standard, the present invention provides a kind of enhancing cigarette
The device of desulfurization effect.
For achieving the above object, the technical solution adopted by the present invention is：A kind of device for strengthening flue gas desulfurization effect,
Including absorption tower and flue gas inlet tube, spraying zone flue, the spray are additionally provided between the absorption tower and the flue gas inlet tube
Self-absorption tower side starts to be equipped with contrary wind slurries spray tube and with the wind slurries spray tube successively in leaching area's flue, the contrary wind slurries spray
First jet pipeline is installed in shower pipe, first jet is installed on the first jet pipeline；The slurries spray tube with the wind
On second nozzle pipeline is installed, second nozzle, the injection direction of the second nozzle are installed on the second nozzle pipeline
Identical with flue gas flow direction, the injection direction of the first jet is opposite with flue gas flow direction.
In such scheme, at least one, the first jet pipeline；At least one, the second nozzle pipeline.
In such scheme, the angle between the contrary wind slurries spray tube and the first jet pipeline is 60 ° ~ 90 °, institute
It is 90 ° ~ 120 ° to state the angle between slurries spray tube with the wind and the second nozzle pipeline.
In such scheme, it is connected through a screw thread between the first jet pipeline and the first jet, second spray
It is connected through a screw thread between mouth pipeline and the second nozzle.
In such scheme, flange is also equipped with the spraying zone flue, the spraying zone flue is divided into by the flange
Two sections, the inclined arrangement of spraying zone flue section where the contrary wind slurries spray tube, the spray tube of slurries with the wind, with flue gas
The spraying zone flue section that inlet tube is connected is in horizontally disposed.
In such scheme, plate windward is additionally provided with the spraying zone flue section that is in tilted layout, the plate windward is close to the method
Blue side.
In such scheme, the plate windward is welded on the inner wall of the spraying zone flue using the steel plate of Q235, and with
Angle between the central axis of the spraying zone flue section of inclined arrangement is 45 °.
In such scheme, the spraying zone stack base is equipped with discharge outlet, and the discharge outlet is located at the inclined arrangement
Spraying zone flue section on.
In such scheme, the contrary wind spray equipment and the distance of the absorption tower tower wall are 300 ~ 600mm.
In such scheme, expansion joint, the gas inlet are equipped between the spraying zone flue and the flue gas inlet tube
Chimney intake baffle door is additionally provided with pipe.
The present invention has positive effect：（1）By adding spraying zone cigarette between desulfuration absorbing tower and flue gas inlet tube
Road, can not only reach the effect of flue gas cool-down, alleviate flue gas to absorbing the element such as inner wall of tower non-metallic liner and demister
Damage；Be also used as increase boiler smoke tolerance or higher desulfuration efficiency and the substitute of spraying layer added to flue gas
Pre-processed, in the case where not doing larger transformation to desulfurization whole device, realize the effect of desulfurizer high desulfurization rate；
（2）Plate windward is equipped with spraying zone flue, sprayed slurry is blocked and is back to flue gas inlet tube, returned so as to fulfill sprayed slurry
It is back in absorption tower, so as to the recycling of slurries.（3）The design method of this spraying zone flue, not only reduces flue gas entrance
The temperature on absorption tower, extends the service life of absorption tower and built-in component, and reduces production cost, and device structure is simple,
It is easy to operate.
Brief description of the drawings
In order that the present invention can be more clearly and readily understood, it is right below according to specific embodiment and with reference to attached drawing
The present invention is described in further detail.
Fig. 1 is the 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. spraying zone flue；5. plate windward；6. with the wind
Slurries spray tube；7. second nozzle；8. contrary wind slurries spray tube；9. first jet；10. discharge outlet；11. flange；12. flue gas
Inlet tube.
Embodiment
As shown in Figure 1, the device of the enhancing flue gas desulfurization effect of the present invention, including absorption tower 1 and flue gas inlet tube 12, inhale
Receive and be equipped with spraying zone flue 4 between tower 1 and the flue gas inlet tube 12,1 side of self-absorption tower starts to set successively in spraying zone flue 4
Have a contrary wind slurries spray tube 8 and with the wind slurries spray tube 6, the distance of contrary wind spray equipment 8 and 1 tower wall of absorption tower for 300 ~
600mm, can effectively shorten the distance of flue, reduce its cost.First jet pipe is installed on the contrary wind slurries spray tube 8
Road, is threaded with first jet 9 on the first jet pipeline；Second nozzle is installed on the spray tube of slurries with the wind 6
Pipeline, is threaded with second nozzle 7 on the second nozzle pipeline.The injection direction and flue gas flow direction of the second nozzle 7
Identical, the injection direction of the first jet 9 is opposite with flue gas flow direction.
Preferably, the angle between contrary wind slurries spray tube 8 and the first jet pipeline is 60 ° ~ 90 °, with the wind slurries
Angle between spray tube 6 and the second nozzle pipeline is 90 ° ~ 120 °, two nozzle pipe this special arrangements,
With reference to first jet 9 and the set-up mode of second nozzle, being sufficiently mixed for gas-liquid can be realized, so as to reach optimal desulfurization effect
Fruit.Preferably, first jet 9 and second nozzle 7 are selected and spray spiral nozzle with the wind, not only avoid clogging, also save
About cost.4 bottom of spraying zone flue is equipped with discharge outlet 10, can discharge the hydrops having in spraying zone flue 4 in time.It is preferred that
, expansion joint 3 is equipped between spraying zone flue 4 and flue gas inlet tube 12, ensure that flue gas inlet tube and spraying zone flue 4 it
Between sealing, be additionally provided with chimney intake baffle door 2 on flue gas inlet tube 12.Preferably, it is also equipped with the spraying zone flue 4
The spraying zone flue 4 is divided into two sections by flange 11, the flange 11, the contrary wind slurries spray tube 8, the slurries with the wind spray
The inclined arrangement of spraying zone flue section where shower pipe 6, the spraying zone flue section being connected with flue gas inlet tube 12 is in horizontal cloth
Put, plate windward is additionally provided with the spraying zone flue section being in tilted layout（5）, the plate windward（5）Close to the flange（11）Side, meets
Aerofoil（5）The spraying zone flue is welded on using the steel plate of Q235（4）Inner wall on, and with the spraying zone cigarette of inclined arrangement
Angle between the central axis of road section is 45 °, on the one hand, when there are a large amount of foulings or first jet 9 or the second on plate 5 windward
When nozzle 7 breaks down, directly the parts of failure can be carried out at maintenance replacement by the way that flange 11 is dismantled
Reason.On the other hand, due to contrary wind slurries spray tube 8, the spray tube of slurries with the wind 6 and the spraying zone flue where plate 5 windward
The inclined arrangement of section, and plate 5 and the angle of 4 central axis of spraying zone flue are in 45 ° windward, are in inclined arrangement spraying zone cigarette
The uptake of the spray tube of slurries with the wind 6 in road, can not only make slurries be back to absorption tower 1 and recycle, additionally it is possible to is most effective
Ground prevents the adverse current of sprayed slurry.
The present invention the course of work be：When the flue gas containing sulfur dioxide passes through spraying zone flue 4 from flue gas inlet tube 12
When, 7 sprayed slurry of first jet 9 and second nozzle, slurries are sufficiently mixed the part two carried out in mass transfer absorption flue gas with flue gas
Sulfur oxide, to reach the pre- spray process of temperature or instability of flow flue gas so that significantly reduce flue gas smoke temperature and
Damage to 1 built-in component of absorption tower.And plate 5 windward are equipped with spraying zone flue 4, block sprayed slurry and be back to cigarette
Road, is back in absorption tower 1 so as to fulfill sprayed slurry, so as to the recycling of slurries.Preferably, the nozzle on spray piping
Spiral nozzle is selected, clogging is not only avoid, also a saving cost.The present invention by absorption tower 1 and the flue gas into
Be equipped with spraying zone flue 4 between mouthful pipe 12, realize temperature or the pre- spray process of instability of flow flue gas, reduce flue gas into
Enter the temperature on absorption tower, alleviate damage of the flue gas to absorption tower built-in component, and also reduce flue gas and enter in absorption tower
Sulfur content, and then improve the effect of desulfurization degree.
Particular embodiments described above, has carried out the purpose of the present invention, technical solution and beneficial effect further in detail
Describe in detail it is bright, it should be understood that the foregoing is merely the present invention specific embodiment, be not limited to this practicality, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done, should be included in the guarantor of the present invention
Within the scope of shield.
Claims (7)
1. a kind of device for strengthening flue gas desulfurization effect, including absorption tower（1）With flue gas inlet tube（12）, it is characterised in that institute
State absorption tower（1）With the flue gas inlet tube（12）Between be additionally provided with spraying zone flue（4）, the spraying zone flue（4）It is interior from
Absorption tower（1）Side starts to be equipped with contrary wind slurries spray tube successively（8）Slurries spray tube with the wind（6）, the contrary wind slurries spray
Pipe（8）On first jet pipeline is installed, first jet is installed on the first jet pipeline（9）；The spray of slurries with the wind
Shower pipe（6）On second nozzle pipeline is installed, second nozzle is installed on the second nozzle pipeline（7）, the second nozzle
（7）Injection direction it is identical with flue gas flow direction, the first jet（9）Injection direction it is opposite with flue gas flow direction；The spray
Area's flue（4）On be also equipped with flange（11）, the flange（11）By the spraying zone flue（4）It is divided into two sections, the contrary wind
Slurries spray tube（8）, the slurries spray tube with the wind（6）The inclined arrangement of spraying zone flue section at place, with flue gas inlet tube
（12）Connected spraying zone flue section is in horizontally disposed；Plate windward is additionally provided with the spraying zone flue section being in tilted layout（5）, institute
State plate windward（5）Close to the flange（11）Side, the plate windward（5）Positioned at slurries spray tube with the wind（6）Uptake；It is described
Spraying zone flue（4）Bottom is equipped with discharge outlet（10）, the discharge outlet（10）Positioned at the spraying zone flue of the inclined arrangement
Duan Shang.
A kind of 2. device for strengthening flue gas desulfurization effect according to claim 1, it is characterised in that the first jet pipe
At least one, road；At least one, the second nozzle pipeline.
A kind of 3. device for strengthening flue gas desulfurization effect according to claim 2, it is characterised in that the contrary wind slurries spray
Shower pipe（8）Angle between any one first jet pipeline is 60 ° ~ 90 °, the slurries spray tube with the wind（6）With
Angle between any one second nozzle pipeline is 90 ° ~ 120 °.
A kind of 4. device for strengthening flue gas desulfurization effect according to claim 2, it is characterised in that the first jet pipe
Road and the first jet（9）Between be connected through a screw thread, the second nozzle pipeline and the second nozzle（7）Between pass through
It is threadedly coupled.
A kind of 5. device for strengthening flue gas desulfurization effect according to claim 1, it is characterised in that the plate windward（5）
The spraying zone flue is welded on using the steel plate of Q235（4）Inner wall on, and with the spraying zone flue section of inclined arrangement
Angle between central axis is 45 °.
A kind of 6. device for strengthening flue gas desulfurization effect according to claim 1, it is characterised in that the contrary wind slurries spray
Shower pipe（8）With the absorption tower（1）The distance of tower wall is 300 ~ 600mm.
A kind of 7. device for strengthening flue gas desulfurization effect according to claim 1, it is characterised in that the spraying zone flue
（4）With the flue gas inlet tube（12）Between be equipped with expansion joint（3）, the flue gas inlet tube（12）On be additionally provided with chimney intake gear
Plate 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105413443A CN105413443A (en) | 2016-03-23 |
| CN105413443B true CN105413443B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CN (1) | CN105413443B (en) |
Families Citing this family (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 |
| 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 |
Citations (5)
| 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 |
| CN105413443A (en) * | 2015-12-17 | 2016-03-23 | 江苏鲲鹏环保工程技术有限公司 | Device for enhancing flue gas desulfurization effect |
-
2015
- 2015-12-17 CN CN201510943433.5A patent/CN105413443B/en active Active
Patent Citations (5)
| 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 |
| CN105413443A (en) * | 2015-12-17 | 2016-03-23 | 江苏鲲鹏环保工程技术有限公司 | Device for enhancing flue gas desulfurization effect |
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| CN105413443A (en) | 2016-03-23 |
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