CN205235450U - Wet flue gas desulfurization defogging device and wet flue gas desulfurization device - Google Patents
Wet flue gas desulfurization defogging device and wet flue gas desulfurization device Download PDFInfo
- Publication number
- CN205235450U CN205235450U CN201521087199.2U CN201521087199U CN205235450U CN 205235450 U CN205235450 U CN 205235450U CN 201521087199 U CN201521087199 U CN 201521087199U CN 205235450 U CN205235450 U CN 205235450U
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- CN
- China
- Prior art keywords
- flue gas
- wet desulphurization
- layer
- demister
- pipe row
- 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.)
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Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 24
- 230000023556 desulfurization Effects 0.000 title claims abstract description 17
- 239000003546 flue gas Substances 0.000 title abstract description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title abstract description 22
- 210000005239 tubule Anatomy 0.000 claims abstract description 26
- 239000002826 coolant Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000003009 desulfurizing effect Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 239000010419 fine particle Substances 0.000 abstract description 7
- 229910052602 gypsum Inorganic materials 0.000 abstract description 6
- 239000010440 gypsum Substances 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 206010061876 Obstruction Diseases 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 4
- 238000010257 thawing Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a wet flue gas desulfurization defogging device and wet flue gas desulfurization device belongs to wet flue gas desulfurization technical field. The utility model provides a wet flue gas desulfurization defogging device includes the bank of tubes of at least two -layer parallel, staggers between the adjacent two -layer bank of tubes and arranges, every layer of bank of tubes all includes the many cavity tubules that are parallel to each other, still includes the coolant source, at least partial cavity tubule and coolant source intercommunication, and the coolant source is used for providing coolant for the cavity tubule. The utility model discloses in, the inside intercommunication coolant of the bank of tubes is in order to cool off the flue gas, and the vapor in the flue gas can use fine particles and liquid drop to carry out the condensation as the core, and the quality of fine particles and liquid drop can increase like this, and inertia increases, has improved the entrapment ability of defroster to fine particles and liquid drop, has avoided the production of " gypsum rain ", has promoted fog effects. The utility model provides a wet flue gas desulfurization device is owing to be provided with above -mentioned wet flue gas desulfurization defogging device, and it is difficult for, and the scale deposit is blockked up, fog effects is good.
Description
Technical field
The utility model relates to Wet Flue Gas Desulfurization Technique field, relates in particular to a kind of wet desulphurization demister and establishesBe equipped with the wet desulphurization device of this wet desulphurization demister.
Background technology
At present, coal-burning boiler wet desulfurization system easily produces the droplet that is mingled with gypsum in running, needsTrap by demister, wet desulphurization generally adopts ridge type demister and tubular demister, its principleBe effect of inertia and the Action of Gravity Field that relies on slurry drops in flue gas, force flue gas to continuously change in motion processDirection, makes smoke gas flow realize gas-liquid separation under the effect of inertia force and centrifugal force, reaches the object of demist.The demister of application is lower to the trapping ability of fine drop and solid particulate matter at present, during simultaneously with operationBetween prolongation, also may there is fouling, stopping state, cause demist decrease in efficiency.
Utility model content
An object of the present utility model is to propose a kind of less scaling, obstruction, the wet method that demist efficiency is highDesulfurization demister;
Another object of the present utility model is to propose a kind of less scaling, obstruction, and what demist efficiency was high wetsMethod desulfurizer.
For reaching this object, on the one hand, the utility model proposes following technical scheme:
A kind of wet desulphurization demister, comprises at least two-layer parallel pipe row, and described pipe row's two ends respectivelyBe supported on support member, between adjacent two-layer described pipe row, be staggeredly arranged, every layer of described pipe row includes manyThe hollow tubule that root is parallel to each other, also comprises cooling medium source, at least part of described hollow tubule and described coldBut medium source is communicated with, and described cooling medium source is used to described hollow tubule that cooling medium is provided.
Further, described cooling medium is cooling water.
Further, described pipe row is made up of fluorine-containing plastic material.
Further, the spacing between two the adjacent described hollow tubules in same layer pipe row is instituteState hollow tubule diameter 2-3 doubly.
The 1-1.5 of the diameter that further, the spacing between adjacent two-layer pipe row is described hollow tubuleDoubly.
Further, described pipe row's the number of plies is 5-15 layer.
Further, the cross section of described hollow tubule is circle or water-drop-shaped.
Further, described pipe row's axis and horizontal angle are 0 °-25 °.
Further, described mist separator of desulfurization also comprises water flushing device, and described water flushing device is for rightDescribed pipe row's outer surface rinses.
On the other hand, the utility model proposes following technical scheme:
Comprise a wet desulphurization device for above-mentioned arbitrary described wet desulphurization demister, comprise that wet method is de-Sulphur tower, described wet desulphurization demister is arranged at the spraying layer top of described wet desulfuration tower.
The beneficial effects of the utility model are:
The wet desulphurization demister that the utility model provides, after pipe row internal communication cooling medium, Guan PainengEnough flue gases to wet saturation state carry out cooling, and the steam in flue gas can be taking fine particle and drop as coreCarry out condensation, the quality of fine particle and drop can increase like this, and inertia increases, and has improved demister to carefullyThe trapping ability of particle and drop, has avoided the generation of " gypsum rain ", has promoted except fog effect.
The wet desulphurization device that the utility model provides is owing to being provided with above-mentioned wet desulphurization demister, and it is notEasily fouling obstruction, demist are effective.
Brief description of the drawings
Fig. 1 is the front view of the desulfurization demister that provides of embodiment mono-of the present utility model;
Fig. 2 is the side view of the desulfurization demister that provides of embodiment mono-of the present utility model;
Fig. 3 is the structural representation of the wet desulphurization device that provides of embodiment bis-of the present utility model.
In figure, 1, pipe row; 11, hollow tubule; 2, support member; 3, wet desulfuration tower; 4, spraying layer;5, slurry pool; 6, desulfurizing tower entrance; 7, desulfurizing tower outlet.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by detailed description of the invention.
Embodiment mono-:
The present embodiment provides a kind of wet desulphurization demister, and as depicted in figs. 1 and 2, it comprises at leastTwo-layer parallel pipe row 1, pipe row 1 two ends are supported in respectively on support member 2, adjacent two-layer pipe row 1 itBetween be staggeredly arranged, every layer of pipe row 1 includes the many hollow tubules that are parallel to each other 11, also comprises cooling mediumSource (not shown), hollow tubule 11 is communicated with cooling medium source at least partly, and cooling medium source is used toHollow tubule 11 provides cooling medium with cooling hollow tubule 11. Cooling medium in cooling medium source is preferablyCooling water, nontoxic, cost is low, good cooling results, but cooling medium is not limited to water, can be also itHe some there is the nontoxic medium of cooling effect. The planform of support member is not specifically limited, and can playStay pipe row's effect, for example support member is gripper shoe. In addition, in the present embodiment, many fingers at leastTwo.
In the present embodiment: after heat exchanger tube row internal communication cooling medium, a large amount of gypsum slurries and pipe rowMechanical impact occurs, and pipe row can carry out the flue gas of wet saturation state cooling, and the steam in flue gas can be withFine particle and drop are that core is carried out condensation, and the quality of fine particle and drop can increase like this, and inertia increasesAdd, improved the trapping ability of demister to fine particle and drop, after the processing of demister, flue gasIn droplet concentration obviously decline, even drop to and be less than 20mg/Nm3, avoid the generation of " gypsum rain ",Promote except fog effect.
As preferred embodiment, pipe row be made up of fluorine-containing plastic material. Because flue-gas temperature is positioned atBelow water dew point, thus the necessary sulfuric-resisting corrosion of flue gas ash removal demister, and fluorine plastic tube has the resistance to of excellenceSulfuric acid corrosion performance and high temperature resistant.
Further, the spacing between two the adjacent hollow tubules 11 in same layer pipe row is hollowThe 2-3 of the diameter of tubule 11 doubly; Spacing between adjacent two-layer pipe row is the diameter of hollow tubule 111-1.5 doubly. In present embodiment, the set-up mode of pipe row comparatively dense, can increase gypsum slurries and send out with tube bankThe chance of raw mechanical impact, thus the trapping effect to calcium plaster drop promoted, strengthen except fog effect. In addition,In the present embodiment, pipe row's quantity is preferably 10 layers, but is not limited to 10 layers, for example 3 layers, 5 layers,7 layers, 15 layers, can meet the required fog effect that removes.
Further, pipe row's axis and horizontal angle can be 0 °, and pipe row along continuous straight runs is establishedPut and vertical with the direction of smoke gas flow, pipe row also can be inclined to set with horizontal direction in addition, for example, and pipeRow is 25 ° with horizontal angle, further to reduce obstruction risk.
More specifically, the cross section of hollow tubule 11 is circular; The cross section of hollow tubule 11 can be also water dropletShape, to improve the area of interception droplet.
Further, mist separator of desulfurization also comprises water flushing device, and water flushing device is for outside arranging pipeSurface is rinsed.
In addition, the present embodiment wet desulphurization demister can also arrange flat Defrosting structure and room simultaneouslyOne in ridge formula Defrosting structure, and make flat Defrosting structure and ridge type Defrosting structure be placed in pipe row top,In conjunction with the demister of at least two kinds of structures, can promote except fog effect.
Embodiment bis-:
The present embodiment provides the wet desulphurization dress of the wet desulphurization demister described in a kind of embodiment of comprisingPut, as shown in Figure 3, it comprises wet desulfuration tower 3, and wet desulphurization demister is placed in the spray of wet desulfuration towerDrench layer 4 top.
More specifically, the bottom of this wet desulfuration tower is provided with slurry pool 5, on the sidewall of desulfurizing tower 3, is provided withDesulfurizing tower entrance 6, desulfurizing tower 3 tops are provided with desulfurizing tower outlet 7, and desulfurizing tower 3 inside are provided with above-mentioned sprayDrench layer 4, wet desulphurization demister is placed in spraying layer 4 tops of wet desulfuration tower. Flue gas is first by desulfurizationTower entrance enters desulfurizing tower, then passes through spraying layer, and the flue gas desulfurization that is cooled, then enters mist separator of desulfurization,The a large amount of calcium plaster drops and the particle that in flue gas, carry are captured, and the clean flue gas after demist is by desulfurizationTower outlet enters into back-end ductwork, and finally enters atmosphere by chimney.
The wet desulphurization device that the present embodiment provides is owing to being provided with above-mentioned wet desulphurization demister, and it is difficult forFouling, obstruction, demist are effective.
Know-why of the present utility model has below been described in conjunction with specific embodiments. These are described just for understandingRelease principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate this realityBy other novel detailed description of the invention, within these modes all will fall into protection domain of the present utility model.
Claims (10)
1. a wet desulphurization demister, is characterized in that, comprises at least two-layer parallel pipe row (1),It is upper that described pipe row's (1) two ends are supported in respectively support member (2), adjacent two-layer described pipe row (1) itBetween be staggeredly arranged, every layer of described pipe row (1) includes the many hollow tubules that are parallel to each other (11), also bagDraw together cooling medium source, at least part of described hollow tubule (11) is communicated with described cooling medium source, described coldBut medium source is used to described hollow tubule (11) that cooling medium is provided.
2. wet desulphurization demister according to claim 1, is characterized in that, described cooling mediumFor cooling water.
3. wet desulphurization demister according to claim 1, is characterized in that, described pipe row (1)Made by fluorine-containing plastic material.
4. according to the arbitrary described wet desulphurization demister of claims 1 to 3, it is characterized in that, inSpacing between adjacent two described hollow tubules (11) of same layer pipe row (1) is described hollow tubule(11) 2-3 of diameter doubly.
5. according to the arbitrary described wet desulphurization demister of claims 1 to 3, it is characterized in that, adjacentTwo-layer pipe row between spacing be described hollow tubule (11) diameter 1-1.5 doubly.
6. according to the arbitrary described wet desulphurization demister of claims 1 to 3, it is characterized in that, described inPipe row's the number of plies is 5-15 layer.
7. according to the arbitrary described wet desulphurization demister of claims 1 to 3, it is characterized in that, described inThe cross section of hollow tubule (11) is circle or water-drop-shaped.
8. according to the arbitrary described wet desulphurization demister of claims 1 to 3, it is characterized in that, described inPipe row's axis and horizontal angle are 0 °-25 °.
9. according to the arbitrary described wet desulphurization demister of claims 1 to 3, it is characterized in that, described inMist separator of desulfurization also comprises water flushing device, and described water flushing device is for carrying out described pipe row's outer surfaceRinse.
10. one kind comprises the wet desulphurization dress of the arbitrary described wet desulphurization demister of claim 1 to 9Put, it is characterized in that, comprise wet desulfuration tower (3), described wet desulphurization demister is arranged at described wetSpraying layer (4) top of method desulfurizing tower (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087199.2U CN205235450U (en) | 2015-12-23 | 2015-12-23 | Wet flue gas desulfurization defogging device and wet flue gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087199.2U CN205235450U (en) | 2015-12-23 | 2015-12-23 | Wet flue gas desulfurization defogging device and wet flue gas desulfurization device |
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| Publication Number | Publication Date |
|---|---|
| CN205235450U true CN205235450U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521087199.2U Active CN205235450U (en) | 2015-12-23 | 2015-12-23 | Wet flue gas desulfurization defogging device and wet flue gas desulfurization device |
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| Country | Link |
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| CN (1) | CN205235450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477896A (en) * | 2015-12-23 | 2016-04-13 | 烟台龙源电力技术股份有限公司 | Wet process desulphurization demisting device and wet process desulphurization device |
| CN109012033A (en) * | 2018-07-11 | 2018-12-18 | 中国华电科工集团有限公司 | A kind of purification method and its purification device of coal-fired flue-gas |
-
2015
- 2015-12-23 CN CN201521087199.2U patent/CN205235450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477896A (en) * | 2015-12-23 | 2016-04-13 | 烟台龙源电力技术股份有限公司 | Wet process desulphurization demisting device and wet process desulphurization device |
| CN109012033A (en) * | 2018-07-11 | 2018-12-18 | 中国华电科工集团有限公司 | A kind of purification method and its purification device of coal-fired flue-gas |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |