CN207042235U - A kind of flue-gas dust-removing and desulfurization device - Google Patents
A kind of flue-gas dust-removing and desulfurization device Download PDFInfo
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- CN207042235U CN207042235U CN201720973366.6U CN201720973366U CN207042235U CN 207042235 U CN207042235 U CN 207042235U CN 201720973366 U CN201720973366 U CN 201720973366U CN 207042235 U CN207042235 U CN 207042235U
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Abstract
The utility model discloses a kind of flue-gas dust-removing and desulfurization device, and it includes exocoel cylinder, is provided with the first air inlet in the side wall tangential direction of its end face, top is provided with first jet；And inner cavity barrel, it is sheathed on the inside of exocoel cylinder, its bottom place separated by a distance is provided with several the second air inlets in the outer wall tangential direction of inner cavity barrel, the inwall higher slice of inner cavity barrel is provided with several second nozzles, gas outlet is provided with the top of inner cavity barrel, demister is provided with below gas outlet, from the flue gas that air-introduced machine is discharged after the first air inlet enters exocoel cylinder, dedusting is carried out by being contacted with the water that first jet sprays out, then inner cavity barrel is entered from the second air inlet, and the limestone/lime slurry liquid contacts sprayed with second nozzle carry out desulfurization, most it is discharged into afterwards after demister removes drop from gas outlet in air.The device can extend the time of contact of flue gas and limestone/lime slurries while dedusting, improve desulfuration efficiency.
Description
Technical field
The utility model belongs to environmental protection and pollutant catabolic gene field, is filled more particularly to a kind of flue-gas dust-removing and desulfurization
Put.
Background technology
Based on thermal power generation, thermal power plant is generated electricity the power generation in China using coal as main fuel, and coal directly fires
Burning discharges a large amount of SO2.At present applied to power plant flue gas desulfurization technique route in, it is prevailing be limestone/lime-
Gypsum wet sulfur removal technology.
Based Wet Process Flue Gas is gas liquid reaction, and during using wet process of FGD, sweetening process is carried out in the solution, is inhaled
Attached dose and desulfurization resultant are hygrometric state.Flue-gas dust-removing and desulfurization device generally comprises demister, slurries spray-up, slurries neutralization pond
Deng having that gas liquid interfacial area is small, gas residence time is short, desulfuration efficiency is low in tower asks during design and use at present
Topic.
Utility model content
It is an object of the invention to provide a kind of flue-gas dust-removing and desulfurization device, and it can extend flue gas while dedusting
With the time of contact of limestone/lime slurries, so as to improve desulfuration efficiency.
To include up to this purpose, a kind of flue-gas dust-removing and desulfurization device provided by the utility model：Exocoel cylinder, its end face
The first air inlet is provided with side wall tangential direction, top is provided with first jet；And inner cavity barrel, it is sheathed on the exocoel
The inside of cylinder, be provided with its bottom place separated by a distance in the outer wall tangential direction of the inner cavity barrel several second
Air inlet, the inwall higher slice of the inner cavity barrel are provided with several second nozzles, are provided with the top of the inner cavity barrel
Gas outlet, demister is provided with below the gas outlet, wherein, enter from the flue gas of air-introduced machine discharge from first air inlet
After entering the exocoel cylinder, contacted by the water sprayed out with the first jet and carry out dedusting, then from second air inlet
Mouth enters the inner cavity barrel, and the limestone/lime slurry liquid contacts sprayed with the second nozzle carry out desulfurization, most afterwards through institute
State after demister removes drop and be discharged into from the gas outlet in air.
Further, it is higher than on the outer wall of the inner cavity barrel with its bottom place separated by a distance in the exocoel cylinder
Liquid water level.
Further, guiding is installed between layers where the second nozzle on the inwall of the inner cavity barrel
Dividing plate.
Further, the dust-removing desulfurating apparatus also includes retracting device, and the retracting device is arranged at the gas outlet
Gas exhaust piping and the air-introduced machine between, for reclaim through the flue-gas dust-removing and desulfurization device handle partial fume pumping again
Secondary progress dedusting, desulfurization process.
The utility model by setting the first of flue gas respectively in the side wall tangential direction of exocoel cylinder and inner cavity barrel
Air inlet and the second air inlet and flue gas is fully contacted with shower water, limestone/lime slurries, so as in dedusting
While extend times of contact of flue gas and limestone/lime slurries, improve desulfuration efficiency.
Brief description of the drawings
Fig. 1 is a kind of structural representation for flue-gas dust-removing and desulfurization device that the utility model embodiment provides.
Wherein, the content that each reference refers to is as follows：
10- exocoel cylinders；20- inner cavity barrels；The air inlets of 11- first；12- first jets；The air inlets of 21- second；22-
Two nozzles；23- gas outlets；24- demisters；25- kicker baffles；30- retracting devices；40- water treatment systems；50- gypsum dehydrations
System.
Embodiment
It is further described, should manages below in conjunction with the accompanying drawings and by specific embodiment to the technical solution of the utility model
Solution, content described herein are merely to illustrate and explained the utility model, are not used to limit the utility model.
As shown in figure 1, the flue-gas dust-removing and desulfurization device that the utility model embodiment provides includes exocoel cylinder 10 and inner chamber
Cylinder 20.
The first air inlet 11 is provided with the side wall tangential direction of the end face of exocoel cylinder 10, top is provided with first jet
12。
Inner cavity barrel 20 is sheathed on the inside of exocoel cylinder 10, in the outer wall tangential direction of inner cavity barrel 20 with its bottom phase
Place is provided with the location of several the second air inlets 21, i.e. the second air inlet 21 higher than in exocoel cylinder 10 at a certain distance
Liquid water level S, as shown in Figure 1.The inwall higher slice of inner cavity barrel 20 is provided with several second nozzles 22, inner cavity barrel 20
Top be provided with gas outlet 23, the lower section of gas outlet 23 is provided with demister 24.
After from the flue gas A of air-introduced machine discharge from the first air inlet 11 into exocoel cylinder 10, by exocoel cylinder 10
The constraint of the outer wall of wall and inner cavity barrel 20 and vortex flow is formed in cylinder, by being sprayed from top to down with first jet 12
The water contact gone out carries out dedusting, and vortex flow path of the flue gas in exocoel cylinder 10 can increase between shower water and flue gas
Contact area, so as to improve efficiency of dust collection.
Flue gas after dedusting enters inner cavity barrel 20 from the second air inlet 21, by the inwall of inner cavity barrel 20 constraint and
Form vortex flow again in cylinder, and the limestone/lime slurry liquid contacts sprayed from top to down with second nozzle 22 are carried out
Desulfurization, vortex flow path of the flue gas in inner cavity barrel 20 can increase the contact area between sprayed slurry and flue gas, from
And desulfuration efficiency is improved, the flue gas after desulfurization is discharged into air after demister 24 removes drop from gas outlet 23 into chimney.
Further, kicker baffle is installed between layers where the second nozzle 22 on the inwall of inner cavity barrel 20
25.Kicker baffle 25 can increase the disturbance of flue gas and limestone/lime slurries in inner cavity barrel 20, reduce resistance to mass tranfer, carry
High mass transfer rate, increase collision frequency, so as to further improve desulfuration efficiency.
Further, dust-removing desulfurating apparatus also includes retracting device 30, and retracting device 30 is arranged at the exhaust of gas outlet 23
Between pipeline and air-introduced machine, for reclaim through flue-gas dust-removing and desulfurization device 100 handle partial fume pumping again carry out dedusting,
Desulfurization process, further to improve desulfuration efficiency, remaining flue gas is discharged into air into chimney.
Dust-laden waste water in exocoel cylinder 10 is expelled to water treatment system 40, sulfur-bearing lime stone/stone in inner cavity barrel 20
Grey slurries are expelled to gypsum dehydration system 50.
The utility model by setting flue gas respectively in the side wall tangential direction of exocoel cylinder 10 and inner cavity barrel 20
First air inlet 11 and the second air inlet 21 and flue gas is fully contacted with shower water, limestone/lime slurries, so as to
Enough times of contact for extending flue gas and limestone/lime slurries while dedusting, improve desulfuration efficiency.
Pay attention to, above are only preferred embodiment of the present utility model and the technical principle used.Those skilled in the art
It will be appreciated that the utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various
Significantly change, readjust and substitute without departing from the scope of protection of the utility model.Therefore, although implementing more than
Example is described in further detail to the utility model, but the utility model is not limited only to above example, is not taking off
In the case of conceiving from the utility model, other more equivalent embodiments can also be included, and the scope of the utility model is by institute
Attached right determines.
Claims (4)
- A kind of 1. flue-gas dust-removing and desulfurization device, it is characterised in that including：Exocoel cylinder (10), the first air inlet (11) is provided with the side wall tangential direction of its end face, top is provided with the first spray Mouth (12)；WithInner cavity barrel (20), it is sheathed on the inside of the exocoel cylinder (10), the outer wall tangent line side of the inner cavity barrel (20) Several second air inlets (21) are provided with its bottom place separated by a distance upwards, on the inwall of the inner cavity barrel (20) Layering is provided with several second nozzles (22), and gas outlet (23), the outlet are provided with the top of the inner cavity barrel (10) Demister (24) is provided with below mouth (23),Wherein, from air-introduced machine discharge flue gas from first air inlet (11) enter the exocoel cylinder after, by with it is described The water contact that first jet (12) sprays out carries out dedusting, then enters the inner cavity barrel from second air inlet (21) (20) the limestone/lime slurry liquid contacts, and with the second nozzle (22) sprayed carry out desulfurization, most afterwards through the demister (24) it is discharged into after removing drop from the gas outlet (23) in air.
- 2. flue-gas dust-removing and desulfurization device according to claim 1, it is characterised in that on the outer wall of the inner cavity barrel (20) With its bottom place separated by a distance higher than the liquid water level in the exocoel cylinder (10).
- 3. flue-gas dust-removing and desulfurization device according to claim 1, it is characterised in that on the inwall of the inner cavity barrel (20) The second nozzle (22) where kicker baffle (25) is installed between layers.
- 4. flue-gas dust-removing and desulfurization device according to claim 1, it is characterised in that described also including retracting device (30) Retracting device (30) is arranged between gas exhaust piping and the air-introduced machine of the gas outlet (23), for reclaiming through the flue gas The partial fume pumping of dust-removing desulfurating apparatus processing carries out dedusting, desulfurization process again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973366.6U CN207042235U (en) | 2017-08-04 | 2017-08-04 | A kind of flue-gas dust-removing and desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973366.6U CN207042235U (en) | 2017-08-04 | 2017-08-04 | A kind of flue-gas dust-removing and desulfurization device |
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| Publication Number | Publication Date |
|---|---|
| CN207042235U true CN207042235U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720973366.6U Active CN207042235U (en) | 2017-08-04 | 2017-08-04 | A kind of flue-gas dust-removing and desulfurization device |
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|---|---|
| CN (1) | CN207042235U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113041831A (en) * | 2021-03-19 | 2021-06-29 | 江苏峰业科技环保集团股份有限公司 | Rotatory spray drying sweetener of SDA |
| CN113318580A (en) * | 2021-04-28 | 2021-08-31 | 汪兴杰 | Spraying and spraying desulfurization reaction tower |
-
2017
- 2017-08-04 CN CN201720973366.6U patent/CN207042235U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113041831A (en) * | 2021-03-19 | 2021-06-29 | 江苏峰业科技环保集团股份有限公司 | Rotatory spray drying sweetener of SDA |
| CN113318580A (en) * | 2021-04-28 | 2021-08-31 | 汪兴杰 | Spraying and spraying desulfurization reaction tower |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191022 Address after: 100022 Beijing Chaoyang District East Third Ring Road No. 9 2603-01 Patentee after: China Mining Union Innovative Energy Group Co., Ltd. Address before: Ji Yang Village 102422 Beijing city Fangshan District Shilou town meeting West 210 meters Patentee before: Zhongneng Xinchuang (Beijing) Electricity Sales Co., Ltd. |
|
| TR01 | Transfer of patent right |