CN212757299U - Boiler flue gas waste heat recovery of thermal power factory disappears white device - Google Patents
Boiler flue gas waste heat recovery of thermal power factory disappears white device Download PDFInfo
- Publication number
- CN212757299U CN212757299U CN202021427470.3U CN202021427470U CN212757299U CN 212757299 U CN212757299 U CN 212757299U CN 202021427470 U CN202021427470 U CN 202021427470U CN 212757299 U CN212757299 U CN 212757299U
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- Prior art keywords
- tower body
- spiral plate
- hollow
- pipe
- flue gas
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000003546 flue gas Substances 0.000 title claims abstract description 41
- 238000011084 recovery Methods 0.000 title claims abstract description 14
- 239000002918 waste heat Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 3
- 230000002087 whitening effect Effects 0.000 claims description 8
- 239000003595 mist Substances 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 description 17
- 238000009833 condensation Methods 0.000 description 13
- 230000005494 condensation Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 238000006477 desulfuration reaction Methods 0.000 description 5
- 230000023556 desulfurization Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chimneys And Flues (AREA)
Abstract
The utility model aims to provide a thermal power factory boiler flue gas waste heat recovery white device that disappears, including the tower body, vertical flue has in the tower body, and the top of tower body is provided with the gas vent that communicates with the flue, and the lateral wall bottom of tower body is provided with the air inlet that communicates with the flue, still includes hollow tube and hollow spiral plate, hollow tube leads to ground support fixed mounting in the tower body, hollow spiral plate spirals to be set up on the outer wall of hollow tube, the outward flange of hollow spiral plate is laminated with the tower body inner wall, hollow spiral plate flue separates into the heliciform, be equipped with the spiral plate inlet tube and the spiral plate outlet pipe that communicate with its inner chamber on the hollow spiral plate respectively, the mouth of pipe of spiral plate inlet tube and spiral plate outlet pipe extends outside the tower body, the bottom of tower body is installed the drain pipe, the lateral wall of tower body has annular water, the tower body is provided with a jacket water inlet pipe and a jacket water outlet pipe which are communicated with the water jacket.
Description
Technical Field
The utility model relates to a large-scale thermal power factory desulfurization unit boiler afterbody flue gas emission field specifically is a thermal power factory boiler flue gas waste heat recovery white device that disappears.
Background
The 'white smoke plume' can be generated by directly discharging wet flue gas generated after wet desulphurization of boiler flue gas of a desulphurization unit of a thermal power plant, because in the desulphurization process, desulphurization slurry is in direct contact with high-temperature flue gas, and heat and mass transfer occurs. On one hand, the moisture is evaporated, and the moisture content of the smoke is increased; on the other hand, the temperature of the flue gas is reduced, and the capacity of the flue gas to carry water vapor is reduced. After the flue gas reaches a saturated state, part of small liquid drops can be carried. After most of liquid drops of the saturated wet flue gas carrying the small liquid drops are removed by the demister, if the saturated wet flue gas is directly discharged into the atmosphere through a chimney, moisture in the saturated wet flue gas can be condensed into small liquid drops to form white smoke plume due to the fact that the environment temperature is lower than the flue gas temperature.
In the prior art, the utility model with the patent number of 201820425196.2 discloses a white smoke eliminating system for boosting and cooling smoke of a thermal power plant, which is arranged between a desulfurization absorption tower and a chimney of a boiler tail smoke discharge system of a desulfurization unit of the thermal power plant, the white smoke eliminating system comprises a smoke boosting condensation chamber, a demister, an air injection supercharging device and a condensation pipe, wherein the inlet of the smoke boosting condensation chamber is connected with the exhaust port of the desulfurization absorption tower through a pipeline, the outlet of the smoke boosting condensation chamber is connected with the air inlet of the chimney through a pipeline, the bottom of the smoke boosting condensation chamber is provided with a lower water chamber, the demister and the air injection supercharging device are arranged at the inlet of the smoke boosting condensation chamber, the condensation pipe is arranged at the outlet of the smoke boosting condensation chamber, the left side of the smoke boosting condensation chamber is in a right-angle ladder shape, and the right side of the smoke boosting condensation chamber is in a rectangular shape, the lower water chamber is a U-shaped groove body, and condensed water flowing downwards along the inner wall of the smoke boosting condensation chamber flows into the lower water chamber to be recovered.
The white smoke elimination system for boosting, cooling and recovering the flue gas of the thermal power plant has the defect that the contact area of the flue gas and the condensing pipe is small, so that the condensing effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a white device that disappears of boiler flue gas waste heat recovery of thermal power factory to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a white device that disappears of thermal power factory boiler flue gas waste heat recovery, includes the tower body, vertical flue has in the tower body, the top of tower body be provided with the gas vent of flue intercommunication, the lateral wall bottom of tower body be provided with the air inlet of flue intercommunication, still include hollow tube and hollow spiral plate, the hollow tube leads to ground support fixed mounting in the tower body, hollow spiral plate spirals and sets up on the outer wall of hollow tube, the outward flange and the laminating of tower body inner wall of hollow spiral plate, the heliciform is separated into to hollow spiral plate flue, be equipped with spiral plate inlet tube and spiral plate outlet pipe rather than the inner chamber intercommunication on the hollow spiral plate respectively, the mouth of pipe of spiral plate inlet tube and spiral plate outlet pipe extends outside the tower body, the drain pipe is installed to the bottom of.
As a further aspect of the present invention: the side wall of the tower body is provided with an annular water jacket, and the tower body is provided with a jacket water inlet pipe and a jacket water outlet pipe which are communicated with the water jacket.
As a further aspect of the present invention: at least two mist traps are fixedly arranged below the hollow pipe in the tower body.
As a further aspect of the present invention: the top of hollow tube is installed the hollow tube inlet tube, the hollow tube inlet tube extends to outside the tower body, the hoop is provided with a plurality of shower nozzles on the lateral wall of hollow tube, the shower nozzle is located the top of spiral plate.
As a further aspect of the present invention: and a valve is assembled on the water discharge pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses simple structure, high durability and convenient use, through be provided with the hollow tube in the tower body, the hollow tube hanging wall is revolved and is provided with hollow spiral plate, the heliciform is separated into to hollow spiral plate flue, hollow spiral plate inner loop flow comdenstion water, thereby make the high temperature flue gas spiral and go up through spiral helicine flue, prolong flue gas channel's route, with the detention time of promotion flue gas in the tower body, hollow spiral plate interval is little, it is few to hold the tolerance between the adjacent hollow spiral plate, flue gas cooling rate is fast, steam is appeared efficiently, and then reach good whitening effect.
Drawings
FIG. 1 is a schematic structural diagram of a boiler flue gas waste heat recovery and white elimination device of a thermal power plant;
FIG. 2 is a partial enlarged view of a boiler flue gas waste heat recovery and whitening device of a thermal power plant;
in the figure: the device comprises a tower body 1, an air inlet 2, a water discharge pipe 3, a valve 4, a mist catcher 5, a jacket water inlet pipe 6, a spiral plate water outlet pipe 7, a water jacket 8, a hollow spiral plate 9, a spiral plate water inlet pipe 10, a hollow pipe water inlet pipe 11, a support 12, a hollow pipe 13, a jacket water outlet pipe 14, an air outlet 15 and a spray head 16.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, in the embodiment, a boiler flue gas waste heat recovery and whitening device for a thermal power plant comprises a tower body 1, wherein a vertical flue is arranged in the tower body 1, an exhaust port 15 communicated with the flue is arranged at the top of the tower body 1, an air inlet 2 communicated with the flue is arranged at the bottom of the side wall of the tower body 1, the air inlet 2 is connected with a desulfurization tower, high-temperature flue gas desulfurized by a wet method enters the flue of the tower body 1 through the air inlet 2 and is exhausted from the exhaust port 15 at the top, the device further comprises a hollow pipe 13 and a hollow spiral plate 9, the hollow pipe 13 is fixedly arranged in the tower body 1 through a ground support 12, the hollow spiral plate 9 is spirally arranged on the outer wall of the hollow pipe 13, the outer edge of the hollow spiral plate 9 is attached to the inner wall of the tower body 1, the flue of the hollow spiral plate 9 is, the route of extension flue gas passageway to promote the detention time of flue gas in tower body 1, be equipped with spiral plate inlet tube 10 and spiral plate outlet pipe 7 rather than the inner chamber intercommunication on hollow spiral plate 9 respectively, the mouth of pipe of spiral plate inlet tube 10 and spiral plate outlet pipe 7 extends outside tower body 1, drain pipe 3 is installed to the bottom of tower body 1, be equipped with valve 4 on the drain pipe 3, spiral plate inlet tube 10 and spiral plate outlet pipe 7 are connected with external cooling water equipment, and in cooling water equipment passed through the comdenstion water to hollow spiral plate 9, the temperature of comdenstion water was less than the temperature of high temperature flue gas, and then when the high temperature flue gas meets cold back, the steam in the flue gas condenses in the outside of hollow spiral plate 9 and converges downwards to discharge by drain pipe 3, hollow spiral plate 9 interval is little, and the tolerance is few between the adjacent hollow spiral plate 9, and flue gas cooling rate is fast, the water vapor precipitation efficiency is high, and a good whitening effect is achieved.
In this embodiment, preferably, the side wall of the tower body 1 has an annular water jacket 8, the tower body 1 is equipped with a jacket water inlet pipe 6 and a jacket water outlet pipe 14 which are communicated with the water jacket 8, and condensed water flows in the water jacket 8 in a circulating manner, so that the tower body 1 forms an external cooling barrier, the cooling contact area of high-temperature flue gas is increased, and the condensation speed is further increased.
In this embodiment, preferably, at least two mist traps 5 are fixedly installed below the hollow pipe 13 in the tower body 1, and the arrangement of the mist traps 5 enables the high-temperature flue gas to be subjected to primary filtration before condensation, so that most of water vapor in the high-temperature flue gas is blocked, and the purpose of primary screening is achieved.
Referring to fig. 2, in this embodiment, preferably, a hollow pipe water inlet pipe 11 is installed at the top of the hollow pipe 13, the hollow pipe water inlet pipe 11 extends out of the tower body 1, a plurality of nozzles 16 are annularly arranged on a side wall of the hollow pipe 13, the nozzles 16 are located above the spiral plates, after the tower body 1 is used for a long time, a large amount of dirt is deposited on the hollow spiral plates 9, water is injected into the hollow pipe 13 through the hollow pipe water inlet pipe 11, and then the water is sprayed out towards the hollow spiral plates 9 through the nozzles 16, so that the hollow spiral plates 9 can be cleaned.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.
Although the embodiments have been described, once the basic inventive concept is known, other changes and modifications can be made to the embodiments by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all the modifications of the equivalent structure or equivalent flow path using the contents of the specification and the drawings of the present invention, or directly or indirectly using other related technical fields are also included in the scope of the present invention.
Claims (5)
1. The utility model provides a white device that disappears of boiler flue gas waste heat recovery of thermal power factory, includes the tower body, vertical flue has in the tower body, the top of tower body be provided with the gas vent of flue intercommunication, the lateral wall bottom of tower body be provided with the air inlet of flue intercommunication, its characterized in that: still include hollow tube and hollow spiral plate, the hollow tube leads to ground support fixed mounting in the tower body, hollow spiral plate spirals to set up on the outer wall of hollow tube, the outward flange and the laminating of tower body inner wall of hollow spiral plate, the heliciform is separated into to the hollow spiral plate flue, be equipped with spiral plate inlet tube and spiral plate outlet pipe rather than the inner chamber intercommunication on the hollow spiral plate respectively, the mouth of pipe of spiral plate inlet tube and spiral plate outlet pipe extends outside the tower body, the drain pipe is installed to the bottom of tower body.
2. The thermal power plant boiler flue gas waste heat recovery and whitening device of claim 1, characterized in that: the side wall of the tower body is provided with an annular water jacket, and the tower body is provided with a jacket water inlet pipe and a jacket water outlet pipe which are communicated with the water jacket.
3. The thermal power plant boiler flue gas waste heat recovery and whitening device of claim 1, characterized in that: at least two mist traps are fixedly arranged below the hollow pipe in the tower body.
4. The thermal power plant boiler flue gas waste heat recovery and whitening device of claim 1, characterized in that: the top of hollow tube is installed the hollow tube inlet tube, the hollow tube inlet tube extends to outside the tower body, the hoop is provided with a plurality of shower nozzles on the lateral wall of hollow tube, the shower nozzle is located the top of spiral plate.
5. The thermal power plant boiler flue gas waste heat recovery and whitening device of claim 1, characterized in that: and a valve is assembled on the water discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021427470.3U CN212757299U (en) | 2020-07-20 | 2020-07-20 | Boiler flue gas waste heat recovery of thermal power factory disappears white device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021427470.3U CN212757299U (en) | 2020-07-20 | 2020-07-20 | Boiler flue gas waste heat recovery of thermal power factory disappears white device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212757299U true CN212757299U (en) | 2021-03-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021427470.3U Expired - Fee Related CN212757299U (en) | 2020-07-20 | 2020-07-20 | Boiler flue gas waste heat recovery of thermal power factory disappears white device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212757299U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813733A (en) * | 2021-09-30 | 2021-12-21 | 江苏超敏科技有限公司 | Radioactive gas filtering device |
| CN114278919A (en) * | 2021-12-31 | 2022-04-05 | 安徽上元绿能科技有限公司 | Combustible gas spiral multi-baffling steam boiler system |
| CN114413273A (en) * | 2021-12-24 | 2022-04-29 | 重庆中航建设（集团）有限公司 | Chimney for waste incineration plant and construction method thereof |
| CN116293762A (en) * | 2023-04-28 | 2023-06-23 | 秦皇岛玻璃工业研究设计院有限公司 | High hydrogen fuel flue gas treatment system and method |
| CN118856333A (en) * | 2024-07-09 | 2024-10-29 | 青岛金涌热电有限公司 | A circulating fluidized bed boiler |
-
2020
- 2020-07-20 CN CN202021427470.3U patent/CN212757299U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813733A (en) * | 2021-09-30 | 2021-12-21 | 江苏超敏科技有限公司 | Radioactive gas filtering device |
| CN114413273A (en) * | 2021-12-24 | 2022-04-29 | 重庆中航建设（集团）有限公司 | Chimney for waste incineration plant and construction method thereof |
| CN114278919A (en) * | 2021-12-31 | 2022-04-05 | 安徽上元绿能科技有限公司 | Combustible gas spiral multi-baffling steam boiler system |
| CN116293762A (en) * | 2023-04-28 | 2023-06-23 | 秦皇岛玻璃工业研究设计院有限公司 | High hydrogen fuel flue gas treatment system and method |
| CN118856333A (en) * | 2024-07-09 | 2024-10-29 | 青岛金涌热电有限公司 | A 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 |
Granted publication date: 20210323 Termination date: 20210720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |