CN108465341B - Hyperbolic natural ventilation, condensation, water extraction and white smoke elimination integrated device - Google Patents
Hyperbolic natural ventilation, condensation, water extraction and white smoke elimination integrated device Download PDFInfo
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- CN108465341B CN108465341B CN201810493533.6A CN201810493533A CN108465341B CN 108465341 B CN108465341 B CN 108465341B CN 201810493533 A CN201810493533 A CN 201810493533A CN 108465341 B CN108465341 B CN 108465341B
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- chimney
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- ventilation
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- 239000000779 smoke Substances 0.000 title claims abstract description 46
- 238000009423 ventilation Methods 0.000 title claims abstract description 36
- 238000009833 condensation Methods 0.000 title claims abstract description 9
- 230000005494 condensation Effects 0.000 title claims abstract description 9
- 230000008030 elimination Effects 0.000 title claims abstract description 7
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 7
- 238000003809 water extraction Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000112 cooling gas Substances 0.000 claims abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 37
- 239000003546 flue gas Substances 0.000 claims description 37
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000003733 fiber-reinforced composite Substances 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 abstract description 6
- 229910052602 gypsum Inorganic materials 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 239000000443 aerosol Substances 0.000 description 5
- 238000006477 desulfuration reaction Methods 0.000 description 5
- 230000023556 desulfurization Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chimneys And Flues (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a hyperbolic natural ventilation, condensation, water lifting and white smoke elimination integrated device which comprises a condenser, wherein the condenser comprises a smoke inlet and a smoke outlet, the smoke outlet is communicated with a chimney, a demister is arranged on the chimney, a reservoir is arranged on the lower side of the chimney, a hyperbolic ventilation tower is arranged on the cooling gas outflow side of the condenser, and a smoke outlet of the chimney is arranged towards an air outlet of the ventilation tower. The device can save water, has low cost and low energy consumption in the operation process, and can effectively eliminate the phenomena of colored smoke plume and gypsum rain.
Description
Technical Field
The invention relates to a flue gas treatment device of a coal-fired power plant, in particular to a hyperbolic natural ventilation, condensation, water extraction and white smoke elimination integrated device.
Background
The prior thermal power plant is provided with a limestone-gypsum wet flue gas desulfurization system, in which high-temperature dry flue gas enters a desulfurization absorption tower, and slurry rich in alkaline limestone is circularly sprayed in the desulfurization tower to absorb sulfur dioxide in the flue gas. In the spraying process, water in the slurry is largely evaporated, so that the flue gas at the outlet of the desulfurization absorption tower reaches the saturation temperature of the water, the temperature of the flue gas is generally about 50 ℃, the water content in the flue gas is 10-15%, and the water is discharged into the atmosphere through a chimney, so that the desulfurization system becomes one of main water consumption facilities of the thermal power plant. In addition, saturated wet flue gas enters the atmosphere to easily form colored smoke plume and gypsum rain, so that certain pollution is caused.
Disclosure of Invention
Aiming at the problems of high water consumption, complex structure, high cost and the like of the conventional flue gas treatment device of the thermal power plant, the invention provides the hyperbolic natural ventilation, condensation, water extraction and white smoke elimination integrated device which can save water, has low manufacturing cost and low energy consumption in the operation process, and can effectively eliminate the phenomena of colored smoke plume and gypsum rain.
In order to achieve the purpose, the invention adopts the following technical scheme:
hyperbolic natural ventilation, condensation, water extraction and white smoke elimination integrated device is characterized in that: including the condenser, the condenser includes income inlet for smoke and outlet for smoke, outlet for smoke communicates with the chimney, be equipped with the defroster on the chimney, the chimney downside is provided with the cistern, the cooling gas outflow one side of condenser is equipped with hyperbola ventilation tower, the exhaust port orientation of chimney the air outlet setting of ventilation tower.
Preferably, a wind regulating baffle is arranged on the opposite side of the condenser to the chimney.
Preferably, the ventilation tower extends to one side of the air regulating baffle, and two ends of the air regulating baffle are respectively connected with the ventilation tower and the ground.
Preferably, the lower end of the chimney extends below the liquid level in the reservoir.
Preferably, a smoke distributor is arranged at the smoke inlet of the condenser.
Preferably, at least one group of guide plates are arranged in the smoke distributor, and the guide plates are carbon steel lining corrosion-resistant scales or fiber reinforced composite materials.
Preferably, a video collector, a temperature sensor and a humidity sensor are arranged at the top of the ventilation tower.
Preferably, the reservoir is connected to a condensate pump.
Preferably, a communication pipe is provided between the condenser and the chimney, and the communication pipe is gradually inclined downward from the condenser to one side of the chimney.
Preferably, the ventilation tower is rotationally symmetrical about the chimney axis.
In summary, compared with the prior art, the invention has the advantages that:
(1) The flue gas flowing through the condenser heats the ambient cold air, the hyperbolic ventilating tower lifts the heated cold air to form self-pulling force, so that air adjustment is realized, a fan is not needed for air supply, and energy consumption is saved;
(2) The smoke discharged from the smoke outlet is mixed with air, so that the absolute moisture content of the mixed smoke is reduced, the effect of eliminating white smoke can be achieved, visual pollution is eliminated, and pollution caused by colored smoke plume and gypsum rain is avoided;
(3) The combination of the ventilation tower, the chimney and the reservoir is realized, the cost is greatly reduced, and the land is saved;
(4) The flue gas water lifting is realized, and meanwhile, aerosol is removed and gas pollutants such as sulfur dioxide, ammonia gas and the like are absorbed.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The reference numerals in the figures are as follows:
1. the system comprises a condenser, a smoke inlet, a smoke outlet, a chimney, a demister, a smoke outlet, a reservoir, a ventilation tower, an air outlet, an air regulation baffle, a smoke distributor and a communication pipeline.
Detailed Description
The invention will be further described with reference to examples of embodiments in the drawings.
The utility model provides a hyperbolic natural draft condensation water lifting white smoke that disappears integrated device as shown in fig. 1, including condenser 1, condenser 1 includes income mouth 11 and outlet 12, outlet 12 and chimney 2 intercommunication are equipped with defroster 21 on the chimney 2, and chimney 2 downside is provided with cistern 3, and the cooling gas of condenser 1 flows through its heat transfer pipe by outside level, and the outflow side of cooling air is equipped with hyperbolic ventilation tower 4, and the exhaust port 22 of chimney 2 sets up towards the air outlet 41 of ventilation tower 4, and ventilation tower 4 medial surface tapers from bottom to top to chimney 2 one side.
The flue gas flows in from the flue inlet 11 and flows out from the flue outlet 12, when cold air in the external environment flows through the heat exchange tube, the cold air is heated by the flue gas flowing through the condenser 1, and the hyperbolic ventilation tower 4 lifts the heated cold air to form self-pulling force, so that air regulation is realized, the air supply of a fan is not needed, and the energy is saved. The water vapor in the flue gas takes aerosol particles in the flue gas as crystal nucleus to be cooled, crystallized and condensed into liquid drops, the liquid drops are separated by inertia through a demister 21 after gradually growing up, the flue gas is discharged out of a chimney 2 upwards, and the liquid drops enter a reservoir 3 downwards, so that the water extraction of the flue gas is realized. In the process of water extraction, aerosol particles serving as condensation nuclei are wrapped by water vapor and are separated by inertia, meanwhile, the environment-friendly effect of removing the aerosol (the aerosol is acid mist, salt mist and solid particles) is achieved, and the water vapor is condensed and simultaneously absorbs gas pollutants such as sulfur dioxide, ammonia and the like, so that the aim of further reducing emission is achieved. The cold air in the external environment is heated, the relative dryness of the air is improved, the cooled flue gas is discharged through the chimney 2 and then is mixed with the heated air, the absolute moisture content of the mixed flue gas is reduced, the effect of eliminating white smoke can be achieved, the visual pollution is eliminated, and meanwhile, the pollution caused by colored smoke plume and gypsum rain is avoided.
The flue gas is collected at the rear exhaust port of the chimney 2 in the ventilation tower 4, and water is extracted from the flue gas by the water pool collecting demister 21 below the hyperbolic cooling tower, so that the water consumption is reduced; meanwhile, the device realizes the integration of the hyperbola ventilating tower 4, the chimney 2 and the collecting pool, greatly reduces the manufacturing cost and saves the land.
In the first embodiment, the air regulating baffle 5 is arranged on the opposite side of the condenser 1 to the chimney 2, and the air inlet amount of the hyperbolic ventilating tower 4 can be regulated by regulating the opening of the air regulating baffle 5, so as to regulate the water lifting amount of the flue gas. The ventilation tower 4 extends to one side of the air regulating baffle plate 5, and two ends of the air regulating baffle plate 5 are respectively connected with the ventilation tower 4 and the ground. The lower end of the chimney 2 stretches into the liquid level in the reservoir 3, the lower end of the chimney 2 is provided with an opening, and the opening penetrates through the interior of the chimney 2 and the reservoir 3. The fog drops formed by the flue gas in the condenser 1 form liquid flow on the inner surface of the chimney 2 and the surface of the demister 21, flow into or fall down the chimney 2, enter the reservoir 3, and the liquid level of the reservoir 3 forms a water seal to prevent the flue gas from leaking.
In the second embodiment, the smoke distributor 6 is arranged at the smoke inlet 11 of the condenser 1, and the smoke is uniformly distributed into the smoke condenser 1 after passing through the smoke distributor 6. At least one group of guide plates are arranged in the smoke distributor 6, and the guide plates are made of corrosion-resistant materials such as carbon steel lining corrosion-resistant scales or fiber reinforced composite materials. The flue gas is cooled by cold air in the flue gas condenser 1, the temperature is reduced, water vapor is condensed and then enters the chimney 2, the resistance of the condenser 1 can be controlled by the flue gas flow rate, the pipe diameter of a heat exchange pipe of the condenser 1 is between 30 and 40mm, the flue gas flow rate can be changed by adjusting the pipe diameter, and the flue gas flow rate in the pipe is 10 to 15 m/s. Cold air in the external environment passes through the condenser 1 through the air regulating baffle plate 5, and the air regulating baffle plate 5 is a shutter type and can be automatically controlled by an electric executing mechanism. The hyperbola tower top is provided with monitoring equipment such as a video collector, a temperature sensor, a humidity sensor and the like, and the opening and closing degree of the air regulating baffle 5 is automatically adjusted through signal feedback, so that the ratio of the cold air quantity to the smoke quantity is 1-5 times. The reservoir 3 is connected with a condensate pump to adjust the water quantity of the reservoir 3.
A communication pipeline 7 is arranged between the condenser 1 and the chimney 2, and the communication pipeline 7 is gradually and downwards inclined from the condenser 1 to one side of the chimney 2, so that cooled flue gas smoothly enters the chimney 2. The ventilation tower 4 is rotationally symmetrical about the axis of the chimney 2, and hot air flowing upwards along the inner side of the hyperbolic ventilation tower 4 approaches to the axis area of the chimney 2 to drive flue gas exhausted from the flue gas outlet 22 of the chimney 2.
The above description is only illustrative of the invention so that a person of ordinary skill in the art can fully practice the present embodiment, but is not limiting of the invention, and a person skilled in the art, after having read the present description, may make modifications to the present embodiment without creative contribution as required, which are all non-creatively modified, but protected by patent laws within the scope of the claims of the invention.
Claims (5)
1. Hyperbolic natural ventilation, condensation, water extraction and white smoke elimination integrated device is characterized in that: the flue gas cooling device comprises a condenser (1), wherein the condenser (1) comprises a flue gas inlet (11) and a flue gas outlet (12), the flue gas outlet (12) is communicated with a chimney (2), a demister (21) is arranged on the chimney (2), a reservoir (3) is arranged on the lower side of the chimney (2), a hyperbolic ventilation tower (4) is arranged on the outflow side of cooling gas of the condenser (1), and a flue gas outlet (22) of the chimney (2) is arranged towards an air outlet (41) of the ventilation tower (4); an air regulating baffle (5) is arranged on the opposite side of the condenser (1) to the chimney (2); the ventilation tower (4) extends to one side of the air regulating baffle plate (5), and two ends of the air regulating baffle plate (5) are respectively connected with the ventilation tower (4) and the ground; the lower end of the chimney (2) stretches into the position below the liquid level in the reservoir (3); the reservoir (3) is connected with a condensate pump; a communication pipeline (7) is arranged between the condenser (1) and the chimney (2), and the communication pipeline (7) is gradually and downwards inclined from the condenser (1) to one side of the chimney (2).
2. The hyperbolic natural ventilation, water lifting and white smoke removing integrated device according to claim 1, wherein: a smoke distributor (6) is arranged at the smoke inlet (11) of the condenser (1).
3. The hyperbolic natural ventilation, water lifting and white smoke removing integrated device according to claim 2, wherein: at least one group of guide plates are arranged in the smoke distributor (6), and the guide plates are carbon steel lining corrosion-resistant scales or fiber reinforced composite materials.
4. The hyperbolic natural ventilation, water lifting and white smoke removing integrated device according to claim 1, wherein: the top of the ventilation tower (4) is provided with a video collector, a temperature sensor and a humidity sensor.
5. The hyperbolic natural ventilation, water lifting and white smoke removing integrated device according to claim 1, wherein: the ventilation tower (4) is rotationally symmetrical about the axis of the chimney (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810493533.6A CN108465341B (en) | 2018-05-22 | 2018-05-22 | Hyperbolic natural ventilation, condensation, water extraction and white smoke elimination integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810493533.6A CN108465341B (en) | 2018-05-22 | 2018-05-22 | Hyperbolic natural ventilation, condensation, water extraction and white smoke elimination integrated device |
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| Publication Number | Publication Date |
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| CN108465341A CN108465341A (en) | 2018-08-31 |
| CN108465341B true CN108465341B (en) | 2024-03-01 |
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| CN201810493533.6A Active CN108465341B (en) | 2018-05-22 | 2018-05-22 | Hyperbolic natural ventilation, condensation, water extraction and white smoke elimination integrated device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109200741A (en) * | 2018-11-26 | 2019-01-15 | 航天环境工程有限公司 | A kind of wet desulphurization tail flue gas disappears White Tower and application |
| CN109260914B (en) * | 2018-11-30 | 2024-01-30 | 山东华创节能环保科技有限公司 | Flue gas whitening system and process utilizing air circulation |
| CN110332076A (en) * | 2019-04-07 | 2019-10-15 | 李英劼 | Self-service smoke elimination power generation fume extractor |
| CN110339667B (en) * | 2019-08-13 | 2024-06-04 | 广州市天工开物科技有限公司 | Automatic vision detection control system for chimney white smoke |
| CN111991979B (en) * | 2020-08-06 | 2022-05-17 | 杭州迪卡能源技术有限公司 | System for eliminating white smoke by mixing outside condensation warm air chimney |
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| EP2609995A1 (en) * | 2011-12-29 | 2013-07-03 | Brunnschweiler S.A. | Method and system for reducing the plume created at the outlet of an industrial process |
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|---|---|---|---|---|
| KR20050025291A (en) * | 2004-09-23 | 2005-03-14 | 씨이테크 | Method for removing white plume using water-cooling system |
| CN202032912U (en) * | 2011-04-18 | 2011-11-09 | 中机国能电力工程有限公司 | Cooling tower for circulating water |
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