CN214209943U - Cyclone type gypsum rain removing device - Google Patents
Cyclone type gypsum rain removing device Download PDFInfo
- Publication number
- CN214209943U CN214209943U CN202023254907.0U CN202023254907U CN214209943U CN 214209943 U CN214209943 U CN 214209943U CN 202023254907 U CN202023254907 U CN 202023254907U CN 214209943 U CN214209943 U CN 214209943U
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- CN
- China
- Prior art keywords
- chimney
- flue gas
- gypsum rain
- draft tube
- surge drum
- 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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- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 34
- 239000010440 gypsum Substances 0.000 title claims abstract description 34
- 239000003546 flue gas Substances 0.000 claims abstract description 40
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 39
- 230000037250 Clearance Effects 0.000 claims abstract description 6
- 230000035512 clearance Effects 0.000 claims abstract description 6
- 210000003660 Reticulum Anatomy 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000008187 granular material Substances 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 description 7
- 238000006477 desulfuration reaction Methods 0.000 description 6
- 230000003009 desulfurizing Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model discloses a whirlwind formula gypsum rain remove device, include from bottom to top and set gradually in inside flue gas whirl device (2) and the surge drum (3) of chimney (1) export, form annular drainage clearance (31) between the outer wall of surge drum (3) and the inner wall of chimney (1), the top of surge drum (3) is equipped with draft tube ring (4), be equipped with honeycomb duct (41) a plurality of and drainage clearance (31) intercommunication on draft tube ring (4), one side of draft tube ring (4) is equipped with drain pipe (42) that are located chimney (1) outside and downwardly extending and exhaust branch (43) of upwards extending. The utility model discloses can effectively collect gypsum rain granule and comdenstion water, have that overall reliability is strong, long service life, characteristics with low costs.
Description
Technical Field
The utility model relates to a gypsum rain removing device, in particular to a whirlwind type gypsum rain removing device.
Background
China is a high energy consumption country, and the energy structure is mainly coal. In the working process of a thermal power plant, wet desulphurization is mainly adopted for treatment. The outlet of wet desulphurization is saturated or nearly saturated wet flue gas, the temperature of the flue gas is about 50 ℃, the wet flue gas is discharged to the atmosphere through a chimney and then contacts with low-temperature air to generate condensation, a large amount of condensed water drops refract and scatter light, so that white or light gray smoke plume is presented, visual pollution is realized, a photochemical reaction environment is created, and the smoke plume is one of possible inducements of haze. The temperature of the clean flue gas discharged from the desulfurization absorption tower is below 55 ℃, the temperature of the clean flue gas is reduced by 3-5 ℃ through the clean flue and the chimney, therefore, a large amount of moisture in the clean flue gas is separated out to form condensate, the flue gas is impacted under the action of high-flow-rate flue gas, dust and microparticle gypsum slurry adhered to the flue are brought into the clean flue gas, the flue gas is discharged into the atmosphere through the chimney, and the gypsum rain phenomenon is formed under the action of gravity of the flue gas.
In the existing limestone-gypsum wet flue gas desulfurization system, a flue gas-flue gas reheater device is mainly adopted by a device for preventing and treating desulfurization gypsum rain, and the heat energy of flue gas in front of a desulfurization tower is absorbed to heat the flue gas discharged by the desulfurization tower, so that the purpose of heat exchange is achieved, the temperature of the heated clean flue gas is higher, and the clean flue gas can be effectively lifted after being discharged from a chimney, thereby preventing the generation of desulfurization gypsum rain. However, when the GGH device is used, the equipment investment is large, the direct equipment cost for installing the GGH reaches about 10 million yuan, the energy consumption is large, the GGH device is easy to block, frequent maintenance is needed, the maintenance cost is high, the reliability is poor, and the service life is short. Therefore, the existing device for preventing and treating the desulfurized gypsum rain has the problems of poor reliability, short service life and high cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a whirlwind formula gypsum rain desorption device. The utility model discloses can effectively collect gypsum rain granule and comdenstion water, have that overall reliability is strong, long service life, characteristics with low costs.
The technical scheme of the utility model: the utility model provides a whirlwind formula gypsum rain removing device, includes from bottom to top sets gradually at inside flue gas whirl device of chimney exit and a collecting vessel, forms annular drainage clearance between the outer wall of collecting vessel and the inner wall of chimney, and the top of collecting vessel is equipped with the draft tube ring, is equipped with a plurality of honeycomb ducts that communicate with the drainage clearance on the draft tube ring, and one side of draft tube ring is equipped with the drain pipe that is located the chimney outside and downwardly extending and the exhaust branch pipe of upwards extending.
In the cyclone gypsum rain removal device, the collecting cylinder, the guide pipe ring and the chimney are connected by welding.
In the cyclone gypsum rain removing device, the flue gas cyclone device comprises an annular plate, a plurality of fan-shaped inclined plates are arranged in the annular plate along the circumferential direction, a flue gas cyclone channel is formed between every two adjacent fan-shaped inclined plates, and a sealing plate is arranged at the center formed by the fan-shaped inclined plates.
In the cyclone gypsum rain removing device, the bottom of the annular plate is provided with a plurality of brackets, and the flue gas cyclone device is arranged in the chimney through the brackets.
In the cyclone gypsum rain removing device, the width of the drainage gap is 40mm-100mm, the collecting cylinder is communicated up and down, and a 45-degree chamfer is formed between the side part and the bottom part of the collecting cylinder.
Compared with the prior art, the utility model is arranged at the outlet of the chimney, most of gypsum rain particles escaping from the absorption tower fall back to the absorption tower in the chimney, and finally the gypsum rain particles reaching the outlet of the chimney are collected by the device, thereby greatly reducing the working strength of the device;
in the process that the smoke rises in the chimney, due to the long route, the smoke can be cooled by 3-5 ℃, condensed water is formed, and the condensed water is carried with gypsum rain and is also collected by the device, so that the white smoke phenomenon of the clean smoke is further reduced;
the device has simple structure, is designed into a large channel, is maintenance-free, is not easy to block, does not have any rotating equipment and valve, does not need an external power supply, does not need to be operated or maintained by people, greatly reduces the equipment failure rate, does not have large consumables, and greatly reduces the maintenance, operation cost and investment cost; the whole reliability is strong, and the service life is long.
Therefore, the utility model discloses can effectively collect gypsum rain granule and comdenstion water, have that overall reliability is strong, long service life, characteristics with low costs.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the structure in the direction A-A of FIG. 1;
fig. 3 is a schematic view of the structure in the direction B-B in fig. 1.
The labels in the figures are: 1. a chimney; 2. a flue gas cyclone device; 21. an annular plate; 22. a sector sloping plate; 23. a sealing plate; 3. a collection canister; 31. a drainage gap; 32. chamfering; 4. a nozzle ring; 41. a flow guide pipe; 42. a drain pipe; 43. an exhaust branch pipe; 5. a bracket.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples
As shown in fig. 1-3, a cyclone gypsum rain removing device comprises a flue gas cyclone device 2 and a collecting cylinder 3 which are sequentially arranged inside an outlet of a chimney 1 from bottom to top, an annular drainage gap 31 is formed between the outer wall of the collecting cylinder 3 and the inner wall of the chimney 1, a guide pipe ring 4 is arranged above the collecting cylinder 3, a plurality of guide pipes 41 communicated with the drainage gap 31 are arranged on the guide pipe ring 4, and a drain pipe 42 which is positioned outside the chimney 1 and extends downwards and an exhaust branch pipe 43 which extends upwards are arranged on one side of the guide pipe ring 4.
The collecting cylinder 3, the guide pipe ring 4 and the chimney 1 are connected by welding.
The flue gas cyclone device 2 comprises an annular plate 21, a plurality of fan-shaped inclined plates 22 are arranged in the annular plate 21 along the circumferential direction, a flue gas cyclone channel is formed between every two adjacent fan-shaped inclined plates 22, and a sealing plate 23 is arranged at the center of each fan-shaped inclined plate 22.
The bottom of the annular plate 21 is provided with a plurality of brackets 5, and the flue gas cyclone device 2 is arranged inside the chimney 1 through the brackets 5. There may be a small gap between the bracket 5 and the inner wall of the chimney 1 to allow smoke and gypsum rain to escape up through the gap and eventually enter the duct ring 4 as well. The material of the flue gas cyclone device 2 and the bracket 5 is SS2205 or SS316L, and the flue gas resistance of the flue gas cyclone device 2 is less than or equal to 50 Pa.
The width of the drainage gap 31 is 40mm-100mm, and a chamfer 32 of 45 degrees is formed between the side part and the bottom part of the collecting cylinder 3. Preventing the gypsum rain from escaping.
The collecting cylinder 3, the guide pipe ring 4 and the drain pipe 42 are made of SS2205 or SS 316L.
The working process is as follows:
the flue gas with water purification enters the flue gas cyclone device 2 from the chimney 1, is thrown to the wall of the chimney 1 by the centrifugal force through the flue gas cyclone channel and is captured by the wall of the chimney, a water film is formed on the wall of the chimney 1, gypsum rain particles in the flue gas flow upwards along the wall of the chimney 1 under the action of air flow enter the guide pipe 41 from the drainage gap 31, then enter the guide pipe ring 4 under the action of the air flow, and finally are drained to a ground sump by the drain pipe 42 under the action of gravity, so that the collection work of the gypsum rain is completed. A small amount of clean flue gas entering the nozzle ring 4 can be discharged through the exhaust branch 43. Other flue gas without gypsum rain is discharged into the atmosphere from the middle of the collecting cylinder 3.
The part of the utility model not detailed is prior art.
Claims (5)
1. A whirlwind formula gypsum rain remove device which characterized in that: including setting gradually at inside flue gas swirl device (2) and the surge drum (3) of chimney (1) export from bottom to top, form annular drainage clearance (31) between the outer wall of surge drum (3) and the inner wall of chimney (1), the top of surge drum (3) is equipped with draft tube ring (4), be equipped with honeycomb duct (41) a plurality of and drainage clearance (31) intercommunication on draft tube ring (4), one side of draft tube ring (4) is equipped with drain pipe (42) that are located chimney (1) outside and downwardly extending and exhaust branch (43) of upwards extending.
2. A cyclonic gypsum rain removal device as claimed in claim 1, wherein: the collecting cylinder (3), the guide pipe ring (4) and the chimney (1) are connected in a welding mode.
3. A cyclonic gypsum rain removal device as claimed in claim 1, wherein: the flue gas cyclone device (2) comprises an annular plate (21), a plurality of fan-shaped inclined plates (22) are arranged in the annular plate (21) along the circumferential direction, a flue gas cyclone channel is formed between every two adjacent fan-shaped inclined plates (22), and a sealing plate (23) is arranged at the center of each fan-shaped inclined plate (22).
4. A cyclonic gypsum rain removal device as claimed in claim 3, wherein: the bottom of the annular plate (21) is provided with a plurality of brackets (5), and the flue gas cyclone device (2) is arranged in the chimney (1) through the brackets (5).
5. A cyclonic gypsum rain removal device as claimed in claim 1, wherein: the width of the drainage gap (31) is 40mm-100mm, the collecting cylinder (3) is communicated up and down, and a chamfer (32) with an angle of 45 degrees is formed between the side part and the bottom part of the collecting cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023254907.0U CN214209943U (en) | 2020-12-29 | 2020-12-29 | Cyclone type gypsum rain removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023254907.0U CN214209943U (en) | 2020-12-29 | 2020-12-29 | Cyclone type gypsum rain removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214209943U true CN214209943U (en) | 2021-09-17 |
Family
ID=77706768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023254907.0U Active CN214209943U (en) | 2020-12-29 | 2020-12-29 | Cyclone type gypsum rain removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214209943U (en) |
-
2020
- 2020-12-29 CN CN202023254907.0U patent/CN214209943U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A cyclone type gypsum rain removal device Effective date of registration: 20221211 Granted publication date: 20210917 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: ZHEJIANG BEIGAOFENG ENVIRONMENTAL ENGINEERING CO.,LTD. Registration number: Y2022330003648 |