CN113577997A - Environment-friendly and energy-saving water vapor whitening device for water cooling tower - Google Patents
Environment-friendly and energy-saving water vapor whitening device for water cooling tower Download PDFInfo
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- CN113577997A CN113577997A CN202110915464.5A CN202110915464A CN113577997A CN 113577997 A CN113577997 A CN 113577997A CN 202110915464 A CN202110915464 A CN 202110915464A CN 113577997 A CN113577997 A CN 113577997A
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- tail gas
- gas treatment
- cooling tower
- water cooling
- heat exchange
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000001816 cooling Methods 0.000 title claims abstract description 56
- 230000002087 whitening effect Effects 0.000 title claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 80
- 239000002918 waste heat Substances 0.000 claims abstract description 17
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 241000276489 Merlangius merlangus Species 0.000 claims abstract description 4
- 230000007613 environmental effect Effects 0.000 claims description 7
- 239000000126 substance Substances 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 3
- 239000000443 aerosol Substances 0.000 abstract description 3
- 239000003595 mist Substances 0.000 abstract description 3
- -1 particulate matters Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- 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)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses an environment-friendly and energy-saving water cooling tower water vapor whitening device, which relates to the technical field of water cooling towers and comprises the following components: the device comprises a water cooling tower and a tail gas treatment system, wherein a gas collecting hood is arranged above the water cooling tower, the tail gas treatment system comprises a tail gas treatment pipe, and a recovery liquid tank, a waste heat recoverer and an electromagnetic whiting device which are sequentially arranged in the tail gas treatment pipe from bottom to top, a pipe joint communicated with an inner cavity of the tail gas treatment pipe is arranged on the side wall of the tail gas treatment pipe, the pipe joint is positioned between the recovery liquid tank and the waste heat recoverer, and the gas collecting hood is communicated with the pipe joint through a main pipeline. According to the invention, the latent heat in the hot water vapor can be recovered through the waste heat recoverer, and the heat is utilized, so that corresponding benefits are generated; meanwhile, through the arrangement of the electromagnetic white separator, more than 97% of moisture and substances such as particulate matters, aerosol, acid mist and the like in the tail gas can be collected to the recovery liquid tank for repeated recycling.
Description
Technical Field
The invention relates to the technical field of cooling towers, in particular to an environment-friendly and energy-saving water vapor whitening device of a cooling tower.
Background
The water cooling tower is a structure for cooling water, and is commonly used in power plants, chemical plants, cement plants, steel plants and other plants requiring large amounts of water temperature control. The cooling principle of the open type cooling tower is that circulating water is sprayed onto the filler of the glass fiber in a spraying mode, heat exchange is achieved through contact of water and air, the fan drives airflow in the tower to circulate, hot airflow after heat exchange with water is taken out, and therefore the cooling effect is achieved.
Haze is mainly caused by factors of water vapor (including fine particulate matter entrained by the water vapor); the medium of a plurality of water cooling towers directly contacts with the tail gas, and participates in the washing and heat exchange of the tail gas. After being discharged into the atmosphere, residual nitrogen oxides, sulfides, VOCs and ammonia gas react to form fine particulate matters with huge particle numbers, such as nitrates, sulfates, organic salts, ammonia salts and the like. The water vapor discharged by the open type cooling tower and the wet desulphurization is discharged continuously to increase the relative humidity of the atmosphere, dry water-soluble ion particles in the atmosphere absorb moisture and grow up, and secondary recombination is generated between the dry water-soluble ion particles and fine particles discharged by flue gas under the assistance of ammonia in the atmosphere. The water vapor containing heat is continuously discharged, and the static and stable weather and the adverse temperature weather are formed above the city. The water vapor and the particles are enriched in the lower atmosphere boundary layer to form haze.
Therefore, how to provide a can the entrapment intercept the outer steam and the polluting substances of arranging of open cooling tower, reduce to discharging steam in the atmosphere, remove the polluting substances when eliminating white plume, reduce the environmental protection and the energy-conserving cooling tower steam of haze and take off white device is the problem that the skilled person in the art needs to solve urgently.
Disclosure of Invention
In view of this, the invention provides an environment-friendly and energy-saving water cooling tower water vapor whitening device, which aims to solve one of the problems in the background art, capture and intercept water vapor and pollutants discharged by an open water cooling tower, reduce the emission of water vapor to the atmosphere, eliminate white smoke plume, remove pollutants and reduce haze.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an environmental protection and energy saving cooling tower steam takes off white device, includes: the device comprises a water cooling tower and a tail gas treatment system, wherein a gas collecting hood is arranged above the water cooling tower, the tail gas treatment system comprises a tail gas treatment pipe, and a recovery liquid tank, a waste heat recoverer and an electromagnetic whiting device which are sequentially arranged in the tail gas treatment pipe from bottom to top, a pipe joint communicated with an inner cavity of the tail gas treatment pipe is arranged on the side wall of the tail gas treatment pipe, the pipe joint is positioned between the recovery liquid tank and the waste heat recoverer, and the gas collecting hood is communicated with the pipe joint through a main pipeline.
Furthermore, the cooling towers are provided with a plurality of cooling towers, the top of each cooling tower is provided with the gas collecting hood, and each gas collecting hood is communicated with the main pipeline.
Further, this environmental protection and energy saving cooling tower steam takes off white device still includes the draught fan, the draught fan is located main pipeline.
Furthermore, the waste heat recoverer is a heat exchange tube, two ends of the heat exchange tube extend out of the tail gas treatment tube, and the part of the heat exchange tube, which is positioned inside the tail gas treatment tube, is of a spiral structure.
Furthermore, fins are arranged on the outer wall of the spiral structure of the heat exchange tube.
Furthermore, the waste heat recoverer is a heat exchange tube, two ends of the heat exchange tube extend out of the tail gas treatment tube, the part of the heat exchange tube located inside the tail gas treatment tube is a vertical tube, and fins are arranged on the outer wall of the vertical tube.
Further, this environmental protection and energy saving cooling water tower steam takes off white device still includes the chimney, the chimney is located the top of tail gas treatment pipe, the chimney with the inner chamber intercommunication of tail gas treatment pipe.
According to the technical scheme, compared with the prior art, the invention discloses the water vapor whitening device of the water cooling tower, which is environment-friendly and energy-saving, the gas collecting hood is arranged above the water cooling tower and communicated with the tail gas treatment pipe, the tail gas treatment pipe is internally provided with the recovery liquid tank, the waste heat recoverer and the electromagnetic whitening device, and the waste heat recoverer can recover latent heat in hot water vapor and utilize the heat to generate corresponding benefits; meanwhile, through the arrangement of the electromagnetic white separator, more than 97% of moisture and substances such as particulate matters, aerosol, acid mist and the like in the tail gas can be collected to the recovery liquid tank for repeated recycling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a water vapor whitening device of an environment-friendly and energy-saving cooling tower provided by the invention;
fig. 2 is a schematic structural diagram of a heat exchange tube and a fin in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a heat exchange tube and a fin in another embodiment of the present invention.
Wherein: 1 is a water cooling tower; 2 is a gas-collecting hood; 3 is a tail gas treatment pipe; 4 is a recovery liquid tank; 5 is an electromagnetic white remover; 6 is a main pipeline; 7 is a booster pump; 8 is a draught fan; 9 is a heat exchange tube; 10 is a fin; and 11 is a chimney.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the embodiment of the invention discloses an environment-friendly and energy-saving water vapor whitening device of a cooling tower, which comprises: the device comprises a cooling water tower 1 and a tail gas treatment system, wherein a gas collecting hood 2 is arranged above the cooling water tower 1, the tail gas treatment system comprises a tail gas treatment pipe 3, and a recovery liquid tank 4, a waste heat recoverer and an electromagnetic whiting device 5 which are sequentially arranged in the tail gas treatment pipe 3 from bottom to top, a pipe interface communicated with an inner cavity of the tail gas treatment pipe 3 is arranged on the side wall of the tail gas treatment pipe 3, the pipe interface is positioned between the recovery liquid tank 4 and the waste heat recoverer, and the gas collecting hood 2 is communicated with the pipe interface through a main pipeline 6. The electromagnetic whitening generation system used by the electromagnetic whitening device 5 in the present embodiment is the same as the one disclosed in patent CN108704427A, and is not described herein again.
According to some embodiments of the present invention, there are a plurality of cooling towers 1, each cooling tower 1 has a gas collecting hood 2 at the top, and each gas collecting hood 2 is communicated with the main pipeline 6, in this embodiment, there are preferably two cooling towers 1, and the number of the cooling towers 1 may be specifically set according to actual needs during actual use, and the number is not specifically limited herein.
In the above embodiment, the gas collecting hood 2 is fixed above the cooling tower 1 by a bracket, and a booster pump 7 is provided below the cooling tower 1.
In the above embodiment, the water cooling tower water vapor de-whitening device with environmental protection and energy saving further comprises the induced draft fan 8, wherein the induced draft fan 8 is arranged on the main pipeline 6 and used for discharging tail gas discharged from the water cooling tower 1 into the tail gas treatment pipe 3 under the power of the induced draft fan 8.
Referring to fig. 2, in this embodiment, preferably, the waste heat recoverer is a heat exchange tube 9, two ends of the heat exchange tube 9 extend to the outside of the tail gas treatment tube 3, a portion of the heat exchange tube 9 located inside the tail gas treatment tube 3 is a spiral structure, two ends of the heat exchange tube 9 are communicated with cold water or cold air to be heated from the outside, the cold water or the cold air is heated by latent heat carried in the tail gas discharged by the water cooling tower 1, the heated cold water or cold air is used in production or life, the operation cost is reduced, and a corresponding benefit is generated, wherein a fin 10 is arranged on an outer wall of the spiral structure of the heat exchange tube 9, and the arrangement of the fin 10 can increase the heat exchange area and the heat exchange time between the tail gas of the water cooling tower 1 and the heat exchange tube 9, so as to improve the heat exchange efficiency.
Referring to fig. 3, in other embodiments, the waste heat recovery device is also a heat exchange tube 9, two ends of the heat exchange tube 9 extend out of the tail gas treatment tube 3, a portion of the heat exchange tube 9 located inside the tail gas treatment tube 3 is a vertical tube, a fin 10 is arranged on an outer wall of the vertical tube, and the arrangement of the fin 10 can increase the heat exchange area and the heat exchange time between the tail gas of the water cooling tower 1 and the heat exchange tube 9, so as to improve the heat exchange efficiency.
In the above embodiment, the water vapor whitening device of the environment-friendly and energy-saving cooling tower further comprises a chimney 11, the chimney 11 is arranged at the top end of the tail gas treatment pipe 3, and the chimney 11 is communicated with the inner cavity of the tail gas treatment pipe 3.
The working principle is as follows: firstly, collecting tail gas discharged by a water cooling tower 1 through a gas collecting hood 2 arranged above the water cooling tower 1, then collecting the tail gas together through a main pipeline 6, jointly entering a tail gas treatment pipe 3 under the action of an induced draft fan 8, firstly utilizing heat through a heat exchange pipe 9 in the tail gas treatment pipe 3, further trapping and intercepting the tail gas through an electromagnetic white remover 5, and finally discharging clean and low-humidity gas from a chimney 11 at the top of the tail gas treatment pipe 3 so as to eliminate pollutants such as particulate matters, aerosol, salts, acid mist and the like in the tail gas of the water cooling tower 1; meanwhile, water vapor can be removed, white smoke plume can be effectively eliminated, the emission of substances in the gas approaches zero, and the formation of haze is further reduced.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides an environmental protection and energy saving cooling tower steam takes off white device which characterized in that includes: the device comprises a water cooling tower and a tail gas treatment system, wherein a gas collecting hood is arranged above the water cooling tower, the tail gas treatment system comprises a tail gas treatment pipe, and a recovery liquid tank, a waste heat recoverer and an electromagnetic whiting device which are sequentially arranged in the tail gas treatment pipe from bottom to top, a pipe joint communicated with an inner cavity of the tail gas treatment pipe is arranged on the side wall of the tail gas treatment pipe, the pipe joint is positioned between the recovery liquid tank and the waste heat recoverer, and the gas collecting hood is communicated with the pipe joint through a main pipeline.
2. The water vapor whitening device of the environment-friendly and energy-saving water cooling tower as claimed in claim 1, wherein a plurality of water cooling towers are provided, each of the water cooling towers is provided with the gas collecting hood at the top, and each of the gas collecting hoods is communicated with the main pipeline.
3. The environment-friendly and energy-saving water cooling tower water vapor de-whitening device as claimed in claim 1 or 2, further comprising an induced draft fan, wherein the induced draft fan is arranged on the main pipeline.
4. The water vapor whitening device of the environment-friendly and energy-saving cooling tower as claimed in claim 3, wherein the waste heat recoverer is a heat exchange tube, two ends of the heat exchange tube extend out of the tail gas treatment tube, and the part of the heat exchange tube inside the tail gas treatment tube is of a spiral structure.
5. The environment-friendly energy-saving water cooling tower water vapor whitening device as claimed in claim 4, wherein fins are arranged on the outer wall of the spiral structure of the heat exchange tube.
6. The water vapor whitening device of the environment-friendly and energy-saving cooling tower as claimed in claim 3, wherein the waste heat recoverer is a heat exchange tube, two ends of the heat exchange tube extend out of the tail gas treatment tube, the part of the heat exchange tube inside the tail gas treatment tube is a vertical tube, and fins are arranged on the outer wall of the vertical tube.
7. The water-vapor whitening device for the cooling tower of environmental protection and energy saving according to claim 1, further comprising a chimney, wherein the chimney is arranged at the top end of the tail gas treatment pipe, and the chimney is communicated with the inner cavity of the tail gas treatment pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915464.5A CN113577997A (en) | 2021-08-10 | 2021-08-10 | Environment-friendly and energy-saving water vapor whitening device for water cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915464.5A CN113577997A (en) | 2021-08-10 | 2021-08-10 | Environment-friendly and energy-saving water vapor whitening device for water cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113577997A true CN113577997A (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110915464.5A Pending CN113577997A (en) | 2021-08-10 | 2021-08-10 | Environment-friendly and energy-saving water vapor whitening device for water cooling tower |
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| Country | Link |
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| CN (1) | CN113577997A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719656A (en) * | 2022-03-09 | 2022-07-08 | 山东保蓝环保工程有限公司 | Boiler low temperature flue gas waste heat comprehensive utilization and white system takes off |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101450660B1 (en) * | 2014-07-10 | 2014-10-15 | 지이큐솔루션 주식회사 | Reduction of white smoke abatement systems and methods |
| CN208244446U (en) * | 2018-08-10 | 2018-12-18 | 西安航天源动力工程有限公司 | The system that a kind of flue gas takes off bletilla energy conservation deep removal pollutant |
| CN210448648U (en) * | 2019-06-14 | 2020-05-05 | 山东福源节能环保工程有限公司 | Tube bundle type electromagnetic induction white removing device |
| CN111678158A (en) * | 2020-06-18 | 2020-09-18 | 朱华东 | Wet desulphurization and white removal system |
-
2021
- 2021-08-10 CN CN202110915464.5A patent/CN113577997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101450660B1 (en) * | 2014-07-10 | 2014-10-15 | 지이큐솔루션 주식회사 | Reduction of white smoke abatement systems and methods |
| CN208244446U (en) * | 2018-08-10 | 2018-12-18 | 西安航天源动力工程有限公司 | The system that a kind of flue gas takes off bletilla energy conservation deep removal pollutant |
| CN210448648U (en) * | 2019-06-14 | 2020-05-05 | 山东福源节能环保工程有限公司 | Tube bundle type electromagnetic induction white removing device |
| CN111678158A (en) * | 2020-06-18 | 2020-09-18 | 朱华东 | Wet desulphurization and white removal system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719656A (en) * | 2022-03-09 | 2022-07-08 | 山东保蓝环保工程有限公司 | Boiler low temperature flue gas waste heat comprehensive utilization and white system takes off |
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