CN208032306U - A kind of turn-back flow high-efficiency desulfation dust-extraction device - Google Patents
A kind of turn-back flow high-efficiency desulfation dust-extraction device Download PDFInfo
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- CN208032306U CN208032306U CN201720517692.6U CN201720517692U CN208032306U CN 208032306 U CN208032306 U CN 208032306U CN 201720517692 U CN201720517692 U CN 201720517692U CN 208032306 U CN208032306 U CN 208032306U
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- Prior art keywords
- tower body
- baffler
- spray equipment
- gas
- efficiency
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Abstract
The utility model discloses a kind of turn-back flow high-efficiency desulfation dust-extraction devices, including tower body；The tower body lower part is provided with gas inlet, and exhanst gas outlet is provided at the top of tower body；It is provided with baffler in the tower body, spray equipment is both provided with above and below baffler, distribution device in gas-fluid is provided between baffler and the spray equipment being disposed below；The bottom of the tower body is serous cavity, and the liquid feeding end of spray equipment is connected with circulation pipe, and the other end of circulation pipe is connected by circulating pump with serous cavity.The utility model reduces liquid-gas ratio compared with original absorption tower, to reduce energy consumption, increase contact area and the time of contact of flue gas and slurries by the way that baffler is arranged, the construction height that tower body can be reduced on the basis of ensureing treatment effect, has saved cost, and increase desulfuration efficiency.
Description
Technical field
The utility model is related to environmental technology field, specifically a kind of turn-back flow high-efficiency desulfation dust-extraction device.
Background technology
In recent years, atmosphere polluting problem is on the rise, and air quality is worsening, and environmental problem is directly related to people's
Health and Living is horizontal, and old friends are unprecedentedly strong to the hope of environmental improvement, and environmental consciousness is gradually rooted in the hearts of the people.Every profession and trade ring
It is gradually perfect to protect facility, but technique effect need to be improved.Government department has put into effect a series of atmosphere pollution in recent years
Discharge standard, standard limited value is gradually stringent, therefore grassroot project has to reach the newest standards of country, at flue gas not up to standard
Reason facility orders its rectification to reach the standard of discharge.So many advanced fume treatment technologies are also come into being.
It is general at present to be handled as desulfurizing tower using spray void tower for sulfur-containing smoke gas, in existing spray void tower
Smoke distribution is uneven, short with the slurry liquid contacts time, and then causes desulfuration efficiency not high, and the spray hollow-spraying-tower number of plies is various but locates
It is not notable to manage effect, in addition sprays void tower and has a single function, efficiency of dust collection is low.With the increasing of environmental protection policy dynamics, original spray
The structure of void tower gradually cannot be satisfied increasingly strict environmental requirement.
Utility model content
The purpose of this utility model is to provide a kind of turn-back flow high-efficiency desulfation dust-extraction devices, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions：
A kind of turn-back flow high-efficiency desulfation dust-extraction device, including tower body；The tower body lower part is provided with gas inlet, tower body top
Portion is provided with exhanst gas outlet；It is provided with baffler in the tower body, spray equipment, baffling are both provided with above and below baffler
It is provided with distribution device in gas-fluid between device and the spray equipment being disposed below；The bottom of the tower body is serous cavity, spray dress
The liquid feeding end set is connected with circulation pipe, and the other end of circulation pipe is connected by circulating pump with serous cavity.
As further program of the utility model：There are one spray equipment, bafflers for the lower section setting of the baffler
Top setting there are one spray equipment.
As the utility model further scheme：Demister is additionally provided in the tower body, demister is arranged in tower
Body top, and the top of the spray equipment above baffler.
As the utility model further scheme：Further include slurry supply pump, the input end of the slurry supply pump is connected to slurry
Liquid storage tank, outlet end are connected with serous cavity.
Compared with prior art, the utility model has the beneficial effects that：
The utility model reduces liquid-gas ratio compared with original absorption tower, to reduce energy consumption, by the way that baffling is arranged
Device increases contact area and the time of contact of flue gas and slurries, and the construction of tower body can be reduced on the basis of ensureing treatment effect
Highly, cost has been saved, and has increased desulfuration efficiency；The utility model is also equipped with dedusting function by the way that baffler is arranged, and rolls over
Stream device will not block under the washing away of slurries, simple in structure, stable, and desulfuration efficiency is high, highly practical.
Description of the drawings
Fig. 1 is the structural schematic diagram of turn-back flow high-efficiency desulfation dust-extraction device.
In figure：1- gas inlets, 2- exhanst gas outlets, 3- slurry supply pumps, 4- circulating pumps, 5- serous cavities, 6- spray equipments, 7- gas
Body distribution apparatus, 8- bafflers, 9- demisters, 10- tower bodies.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the utility model embodiment, a kind of turn-back flow high-efficiency desulfation dust-extraction device, including tower body 10；Institute
It states 10 lower part of tower body and is provided with gas inlet 1,10 top of tower body is provided with exhanst gas outlet 2, and flue gas caused by boiler is from tower body
The gas inlet 1 of 10 lower parts enters in tower body 10；It is provided with baffler 8 in the tower body 10, is all provided with above and below baffler 8
It is equipped with spray equipment 6, distribution device in gas-fluid 7 is provided between baffler 8 and the spray equipment 6 being disposed below, into tower body
Flue gas in 10 is wet after the spray equipment 6 of 8 lower section of baffler sprays, and the flue gas of moistening is equal by distribution device in gas-fluid 7
Even distribution, so that flue gas uniformly enters baffler 8, by entering back into distribution device in gas-fluid 7, the cigarette of moistening after moistening flue gas
Gas is not easy to make 7 fouling and clogging of distribution device in gas-fluid, and the slurries that the spray equipment 6 above baffler 8 is sprayed flow through baffling
Device 8, in the process, the flue gas risen along baffler 8 are contacted with the slurries to flow down along baffler 8, pass through liquid phase pair
Movement increases the haptoreaction time of gas-liquid, improves desulfuration efficiency, in addition, the slurries and baffler 8 that flow down along baffler 8
Siding collision, to form one layer of liquid film on the siding of baffler 8, dust meeting during baffling is upper in flue gas
It is adsorbed by the liquid film on siding, and folding is flowed through by gravity fall to achieve the purpose that dedusting in the case where the spray of slurries is washed away
The flue gas after device 8 is flowed in uphill process, carries out contacting again with the slurries that the spray equipment 6 of 8 top of baffler is sprayed anti-
Answer, further function as the effect of sulphur removal dedusting, to which the flue gas that makes that treated reaches minimum discharge standard, 8 top of baffler and
The quantity of the spray equipment 6 of lower section is without restriction, in the present embodiment, it is preferred that there are one sprays for the lower section setting of the baffler 8
Shower device 6, there are one spray equipments 6 for the top setting of baffler 8；The bottom of the tower body 10 is serous cavity 5, spray equipment 6
Liquid feeding end be connected with circulation pipe, the other end of circulation pipe is connected by circulating pump 4 with serous cavity 5,6 institute of spray equipment
The slurries of ejection are converged under the effect of gravity in the serous cavity 5 of 10 bottom of tower body, and are extracted out from serous cavity 5 by circulating pump 4, are led to
It crosses circulation pipe to be sent into each spray equipment 6, completes serum recycle；Demister 9, demister 9 are additionally provided in the tower body 10
It is arranged on 10 top of tower body, and the top of the spray equipment 6 positioned at 8 top of baffler, reaches the neat stress of discharge standard through removing
After 9 demisting of day with fog, it is discharged from the exhanst gas outlet 2 at 10 top of tower body；The turn-back flow high-efficiency desulfation dust-extraction device further includes for slurry
Pump 3, the input end of the slurry supply pump 3 is connected to serum storage tank, and outlet end is connected with serous cavity 5, and slurry supply pump 3 is used in tower body
In 10 serous cavity 5 slurries are supplemented when slurries deficiency.
The operation principle of the utility model is：The turn-back flow high-efficiency desulfation dust-extraction device, flue gas caused by boiler from
The gas inlet 1 of 10 lower part of tower body enters in tower body 10, into the flue gas in tower body 10 by the spray equipment of 8 lower section of baffler
It is wet after 6 sprays, the flue gas of moistening is uniformly distributed by distribution device in gas-fluid 7, so that flue gas uniformly enters baffler 8, is led to
It crosses after moistening flue gas and enters back into distribution device in gas-fluid 7, the flue gas of moistening is not easy to make 7 fouling and clogging of distribution device in gas-fluid, is located at
The slurries that the spray equipment 6 of 8 top of baffler is sprayed flow through baffler 8, in the process, the flue gas risen along baffler 8
It is contacted with the slurries to flow down along baffler 8, the haptoreaction time of gas-liquid is increased by gas-liquid relative motion, is improved
Desulfuration efficiency, in addition, the siding collision of the slurries and baffler 8 to flow down along baffler 8, to the shape on the siding of baffler 8
At one layer of liquid film, the dust in flue gas can be adsorbed during baffling is upper by the liquid film on siding, and in the spray of slurries
It drenches under washing away and flows through the flue gas after baffler 8 in uphill process by gravity fall to achieve the purpose that dedusting, with baffling
The slurries that the spray equipment 6 of 8 top of device is sprayed carry out haptoreaction again, further function as the effect of sulphur removal dedusting, to
Making treated, flue gas reaches minimum discharge standard.Reach the neat stress of discharge standard after 9 demisting of demister, is pushed up from tower body 10
The exhanst gas outlet 2 in portion is discharged.The slurries that spray equipment 6 is sprayed converge in the serous cavity 5 of 10 bottom of tower body under the effect of gravity
It is interior, and extracted out from serous cavity 5 by circulating pump 4, it is sent into each spray equipment 6 by circulation pipe, completes serum recycle.Work as tower body
Slurries in 10 after a period of use, can be replaced, and when replacement, after the slurries discharge after using, pass through slurry supply pump 3
Slurries are supplemented to tower body 10.
The utility model reduces liquid-gas ratio compared with original absorption tower, to reduce energy consumption, by the way that baffling is arranged
Device increases contact area and the time of contact of flue gas and slurries, and the construction of tower body can be reduced on the basis of ensureing treatment effect
Highly, cost has been saved, and has increased desulfuration efficiency；The utility model is also equipped with dedusting function by the way that baffler is arranged, and rolls over
Stream device will not block under the washing away of slurries, simple in structure, stable, and desulfuration efficiency is high, highly practical.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (4)
1. a kind of turn-back flow high-efficiency desulfation dust-extraction device, which is characterized in that including tower body（10）；The tower body（10）Lower part is arranged
There is gas inlet（1）, tower body（10）Top is provided with exhanst gas outlet（2）；The tower body（10）Inside it is provided with baffler（8）, folding
Flow device（8）Above and below be both provided with spray equipment（6）, baffler（8）With the spray equipment being disposed below（6）Between set
It is equipped with distribution device in gas-fluid（7）；The tower body（10）Bottom be serous cavity（5）, spray equipment（6）Liquid feeding end with cycle
Pipe is connected, and the other end of circulation pipe passes through circulating pump（4）With serous cavity（5）It is connected.
2. turn-back flow high-efficiency desulfation dust-extraction device according to claim 1, which is characterized in that the baffler（8）Under
There are one spray equipments for side's setting（6）, baffler（8）Top setting there are one spray equipment（6）.
3. turn-back flow high-efficiency desulfation dust-extraction device according to claim 1 or 2, which is characterized in that the tower body（10）It is interior
It is additionally provided with demister（9）, demister（9）It is arranged in tower body（10）Top, and it is located at baffler（8）The spray equipment of top
（6）Top.
4. turn-back flow high-efficiency desulfation dust-extraction device according to claim 3, which is characterized in that further include slurry supply pump（3）, institute
State slurry supply pump（3）Input end be connected to serum storage tank, outlet end and serous cavity（5）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720517692.6U CN208032306U (en) | 2017-05-11 | 2017-05-11 | A kind of turn-back flow high-efficiency desulfation dust-extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720517692.6U CN208032306U (en) | 2017-05-11 | 2017-05-11 | A kind of turn-back flow high-efficiency desulfation dust-extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208032306U true CN208032306U (en) | 2018-11-02 |
Family
ID=63957597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720517692.6U Expired - Fee Related CN208032306U (en) | 2017-05-11 | 2017-05-11 | A kind of turn-back flow high-efficiency desulfation dust-extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208032306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975582A (en) * | 2020-03-03 | 2020-04-10 | 山东中航天业科技有限公司 | Flue gas desulfurization, denitrification and dust removal system of biomass circulating fluidized bed boiler |
-
2017
- 2017-05-11 CN CN201720517692.6U patent/CN208032306U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975582A (en) * | 2020-03-03 | 2020-04-10 | 山东中航天业科技有限公司 | Flue gas desulfurization, denitrification and dust removal system of biomass circulating fluidized bed boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20210511 |