CN220670262U - White fog-eliminating closed cooling tower - Google Patents
White fog-eliminating closed cooling tower Download PDFInfo
- Publication number
- CN220670262U CN220670262U CN202321593148.1U CN202321593148U CN220670262U CN 220670262 U CN220670262 U CN 220670262U CN 202321593148 U CN202321593148 U CN 202321593148U CN 220670262 U CN220670262 U CN 220670262U
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- Prior art keywords
- cooling tower
- tower body
- water
- air
- cooler
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- 238000001816 cooling Methods 0.000 title claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000007921 spray Substances 0.000 claims abstract description 19
- 239000003595 mist Substances 0.000 claims abstract description 8
- 238000001704 evaporation Methods 0.000 claims description 20
- 230000008020 evaporation Effects 0.000 claims description 19
- 238000009835 boiling Methods 0.000 claims description 10
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005485 electric heating Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model belongs to the technical field of closed cooling towers, and particularly relates to a white mist eliminating closed cooling tower, which comprises a cooling tower and a white mist eliminating device, wherein the cooling tower comprises a cooling tower body, a water receiver, a spray pipe, a cooler and a water collecting tank are sequentially arranged in the cooling tower body from top to bottom, an air duct is arranged at the top of the cooling tower body, a fan is arranged in the air duct, an air inlet is arranged between the water collecting tank and the cooler on the side wall of the cooling tower body, and the white mist eliminating device comprises: the evaporator, the compressor, the condenser and the throttle valve are sequentially connected in series to form a closed vacuum pipeline, a low-boiling-point working medium is filled in the pipeline, the evaporator is immersed in the water collecting tank, the condenser is located above the fan in the air duct, the compressor is arranged on one side outside the cooling tower body, and the throttle valve is arranged on the other side outside the cooling tower body. The utility model can heat the hot and humid air exhausted by the cooling tower to above 60 ℃, has good effect of eliminating white fog, and has the electricity consumption of only 25-30% of electric heating, thereby saving more energy.
Description
Technical Field
The utility model belongs to the technical field of closed cooling towers, and particularly relates to a white fog-eliminating closed cooling tower.
Background
The closed cooling tower is characterized in that a tubular heat exchanger is arranged in the tower, the cooling effect is guaranteed through heat exchange of circulated air, spray water and circulating water, when the closed cooling tower works, a spray nozzle sprays water to a cooler, heat is transferred to spray water outside the heat exchanger through cooled water inside the heat exchanger, forced convection of the spray water and the air is transferred to the air, a large amount of hot and humid air is generated, the hot and humid air is pumped out by a fan at the top of the closed cooling tower and discharged into the atmosphere, however, when the outside temperature is lower, the temperature of the hot and humid air is greatly reduced when the hot and humid air meets the outside low-temperature air, the water vapor quantity which can be contained by the air is reduced, a part of water vapor becomes liquid, white fog is formed, the visibility is disturbed, and the life of people is influenced.
The utility model provides a cooling tower fog fan net that disappears of patent number ZL201721801077.4, switch on the power in the fog season, the electric energy directly changes heat energy into, heats the export air, reaches the effect of eliminating the fog, but uses the device to remove the power consumption of fog higher.
The utility model provides a novel fog-removing closed cooling tower that the patent number is ZL202220411204.4 sets up fog-removing spoiler, the cooling tower during operation fan is inhaled damp and hot air by the spoiler vent into fog-removing spoiler, simultaneously with external dry and cold air also inhale into fog-removing spoiler by the air inlet between the adjacent spoiler baffle, damp and hot air and external dry and cold air mix into unsaturated damp and hot air in fog-removing spoiler and discharge to external environment, and realize no white fog emission, the device can eliminate white fog to a certain extent, but in winter temperature is less than-5 ℃ northern area, external air temperature is very low, if the humidity of the inside moist and hot air that produces of cooling tower is very high, still can reach the saturation point after the effect of cooling down rapidly when meetting external cold air behind the fog-removing spoiler, produce white fog, therefore, the device is not good in particular in cold northern area that is difficult to reach the effect of white fog removal.
Disclosure of Invention
The utility model aims to provide a white fog-eliminating closed cooling tower, which aims to solve the problems in the background technology.
In order to achieve the technical purpose, the technical scheme of the utility model comprises the following steps:
the utility model provides a white fog closed cooling tower disappears, includes cooling tower and white fog eliminating device, the cooling tower includes the cooling tower body, be equipped with water collector, shower, cooler and water collecting tank from top to bottom in proper order in the cooling tower body, cooling tower body top air outlet is equipped with the dryer of square, be equipped with the fan in the dryer, be located on the lateral wall of cooling tower body be equipped with the air intake between water collecting tank and the cooler, the bottom of shower is equipped with a plurality of shower nozzles, white fog eliminating device is including being located the evaporation structure of the internal bottom of cooling tower, be equipped with the condenser in the dryer in the top of fan, one side of cooling tower body is equipped with the compressor, and the opposite side is equipped with the choke valve, compressor, condenser, choke valve and evaporation structure connect gradually and form airtight vacuum pipeline, airtight vacuum pipeline inside fills dress low boiling point working medium.
As an improvement, the cooler is a wet cooler, the evaporation structure is an evaporator, and the evaporator is immersed in the water collection tank.
As a further improvement, an air inlet window is arranged on the side wall of the cooling tower body above the water receiver.
As a further improvement, a humidity sensor and a temperature sensor are arranged on the inner side wall of the air duct and above the condenser.
As a further improvement, a water pump communicated with the water collecting tank is arranged on one side of the cooling tower body, and the output end of the water pump is connected with the spray pipe.
By adopting the technical scheme, the utility model has the beneficial effects that:
the low-boiling-point working medium in the pipeline of the white mist eliminating device absorbs heat in the evaporation structure to become gas, the gas enters the compressor and is compressed into high-temperature and high-pressure gas, then the gas enters the condenser and is subjected to heat exchange with hot and humid air outside the condenser, the temperature of the hot and humid air is increased to be more than 60 ℃, the hot and humid air cannot generate supersaturation state when encountering external cold air, saturated water vapor is not formed, further, the generation of white mist is prevented, the low-boiling-point working medium after heat exchange is subjected to depressurization and liquefaction through the throttle valve and enters the evaporation structure again to realize circulation.
The air inlet window that sets up on the lateral wall of cooling tower body opens when needs eliminate white fog, and outside cold air gets into the cooling tower body in, mixes with the damp and hot air that is located the water receiver top, and the vapor in the damp and hot air separates out to the liquid droplet, and the liquid droplet is collected by the water receiver, prevents that vapor from being taken out outside the tower in a large number, reduces the loss of cooling water.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
wherein: the cooling tower comprises a 1-cooling tower body, a 2-water collector, a 3-spray pipe, a 4-cooler, a 5-water collecting tank, a 6-air cylinder, a 7-fan, an 8-air inlet, a 9-water pump, a 10-spray head, an 11-evaporation structure, a 12-condenser, a 13-compressor, a 14-throttle valve, a 15-air inlet window, a 16-humidity sensor and a 17-temperature sensor.
Detailed Description
The utility model will be further described with reference to the following detailed description and the accompanying drawings. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
As shown in FIG. 1, a white fog-eliminating closed cooling tower comprises a cooling tower body 1 and a white fog-eliminating device, wherein the cooling tower comprises a cooling tower body 1, a water collector 2, a spray pipe 3, a cooler 4 and a water collecting tank 5 are sequentially arranged in the cooling tower body 1 from top to bottom, the water collecting tank 5 is positioned at the bottom of the cooling tower, a square air duct 6 is arranged at an air outlet at the top of the cooling tower body 1, a fan 7 is arranged in the air duct 6, an air inlet 8 is arranged between the water collecting tank 5 and the cooler 4 on the side wall of the cooling tower body 1, a water pump 9 communicated with the water collecting tank 5 is arranged on one side of the cooling tower body 1, the output end of the water pump 9 is connected with the spray pipe 3 through a pipeline, and a plurality of spray heads 10 are arranged at the bottom of the spray pipe 3.
Cooling water is conveyed into the spray pipe 3 through the water pump 9, the spray nozzle 10 sprays downwards to exchange heat with fluid in the cooler 4, thereby cooling the fluid in the cooler 4, external air enters the cooling tower body 1 through the air inlet 8, and turns into damp and hot steam to move upwards after exchanging heat with the cooling water after passing through the cooler 4, the cooling water after exchanging heat with air is discharged out of the cooling tower body 1 through the action of the fan 7, enters the water collection tank 5, recycling is realized, and damp and hot air after exchanging heat in the cooling tower body 1 is pumped out from the top under the action of the fan 7 and is guided to enter from the air inlet 8 of the cooling tower body 1.
Preferably, the cooler 4 is a wet cooler.
The white fog eliminating device comprises an evaporation structure 11 immersed in a water collecting tank 5, a condenser 12 is arranged above a fan 7 in a wind barrel 6, a compressor 13 is arranged on one side of a cooling tower body 1, a throttle valve 14 is arranged on the other side of the cooling tower body, an air inlet end of the compressor 13 is connected with an outlet of the evaporation structure 11, an air outlet end of the compressor 13 is connected with an inlet of the condenser 12, an inlet of the throttle valve 14 is connected with an outlet of the condenser 12, an outlet of the throttle valve 14 is connected with an inlet of the evaporation structure 11, and the compressor 13, the condenser 12, the throttle valve 14 and the evaporation structure 11 are sequentially connected to form a closed vacuum pipeline, and a low-boiling-point working medium is filled in the closed vacuum pipeline.
In this embodiment, the evaporation structure 11 is an evaporator, the evaporator is immersed in the water collecting tank 5, the low boiling point working medium is in the evaporation structure 11, the heat of the cooling water in the water collecting tank 5 is changed into gas through absorption, then the gas enters the compressor 13, the gas is changed into high-temperature high-pressure gas after working by the compressor 13 and enters the condenser 12, the temperature of the hot and humid steam is increased after heat exchange with the hot and humid steam outside the condenser 12, so that the hot and humid air is mixed with external cold air, and does not form saturated steam, thereby preventing generation of white fog, and the low boiling point working medium after heat exchange is decompressed and liquefied through the throttle valve 14 and enters the evaporation structure 11 again for circulation.
Preferably, the low boiling point working medium adopts isobutane, n-butane, freon 11 or freon 114 and the like.
In this embodiment, the air inlet window 15 has still been seted up to the top that is located water receiver 2 on the lateral wall of cooling tower body 1, in winter that can form the white fog, open air inlet window 15, outside cold air gets into in the cooling tower body 1, mix with the damp and hot air that is located water receiver 2 top, vapor in the damp and hot air separates out to the liquid droplet, the liquid droplet is collected by water receiver 2, prevent that vapor from being taken out the tower by a large amount, reduce the loss of water, the remaining part damp and hot air does not become the comdenstion water and continues upward movement, through the heat transfer effect of fog removal device, rise the temperature of damp and hot air, make damp and hot air can not produce supersaturated state after mixing with outside cold air, do not form saturated steam, and then can not form the white fog.
The inside wall of the air duct 6 is provided with a humidity sensor 16 and a temperature sensor 17 above the condenser 12, and the temperature and humidity of the hot and humid air passing through the condenser 12 are monitored and fed back to staff.
Preferably, the filling amount of the low boiling point working medium is 50% -70% of the volume of the evaporation structure 11, preferably 60%, the excessive filling amount of the low boiling point working medium increases the load of the compressor, increases the energy consumption, the insufficient filling amount of the low boiling point working medium causes insignificant effect of removing the white mist, and the filling amount of the low boiling point working medium is preferably 60% through a large amount of analysis.
Preferably, the compressor 13 is a medium-temperature water source centrifugal compressor, the evaporation structure 11 is a tube-type heat exchanger, the tube is 3 layers, and the length and width of the evaporation structure 11 are the same as those of the cooler 4.
Preferably, the condenser 12 is a plate-fin radiator.
The working process of the embodiment is as follows: the cooling water is conveyed into the spray pipe 3 through the water pump 9, is sprayed downwards by the spray head 10 to exchange heat with fluid in the cooler 4, the fluid is cooled, and meanwhile, after the cooling water outside the cooler 4 exchanges heat with air entering through the air inlet 8, the cooling water enters into the water collection tank 5, the air after heat exchange is changed into hot humid air which is upwards under the action of the fan 7 and leaves the cooling tower body 1 through the air duct 6; when the external temperature is very low in winter, open the air inlet window 15 and start the white fog removing device, outside cold air gets into cooling tower body 1 through air inlet window 15, mix with the hot humid air that is located water receiver 2 top, vapor in the hot humid air separates out to the liquid drop, the liquid drop is collected by water receiver 2, simultaneously, low boiling point working medium is in evaporation structure 11, become gaseous through absorbing the heat of cooling water, then get into compressor 13, become high temperature high pressure gas after the work is done to compressor 13 and get into condenser 12, after carrying out the heat exchange with the hot humid steam outside the condenser 12, increase the temperature of hot humid steam, make hot humid air after mixing with outside cold humid air, and then prevent the production of white fog.
The utility model can heat the hot and humid air exhausted by the cooling tower to above 60 ℃, has good effect of eliminating white fog, and has the electricity consumption of only 25-30% of electric heating, thereby saving more energy.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (4)
1. The utility model provides a remove white fog closed cooling tower, includes cooling tower and removes white fog device, the cooling tower includes the cooling tower body, be equipped with water receiver, shower, cooler and water collecting tank from top to bottom in proper order in the cooling tower body, cooling tower body top air outlet department is equipped with the dryer of square, be equipped with the fan in the dryer, be located on the lateral wall of cooling tower body be equipped with the air intake between water collecting tank and the cooler, the bottom of shower is equipped with a plurality of shower nozzles, its characterized in that, remove white fog device includes and is located the evaporation structure of cooling tower body bottom, be equipped with the condenser in the dryer in the top of fan, one side of cooling tower body is equipped with the compressor, and the opposite side is equipped with the choke valve, compressor, condenser, choke valve and evaporation structure connect gradually and form airtight vacuum line, airtight vacuum line inside fills dress low boiling point working medium;
the cooler is a wet cooler, the evaporation structure is an evaporator, and the evaporator is immersed in the water collection tank.
2. The white fog-removing closed cooling tower according to claim 1, wherein an air inlet window is arranged on the side wall of the cooling tower body above the water receiver.
3. The white mist elimination closed cooling tower according to claim 2, wherein a humidity sensor and a temperature sensor are arranged on the inner side wall of the air duct above the condenser.
4. A white mist eliminating closed cooling tower according to claim 3, wherein a water pump communicated with the water collecting tank is arranged on one side of the cooling tower body, and an output end of the water pump is connected with the spray pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321593148.1U CN220670262U (en) | 2023-06-21 | 2023-06-21 | White fog-eliminating closed cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321593148.1U CN220670262U (en) | 2023-06-21 | 2023-06-21 | White fog-eliminating closed cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220670262U true CN220670262U (en) | 2024-03-26 |
Family
ID=90331681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321593148.1U Active CN220670262U (en) | 2023-06-21 | 2023-06-21 | White fog-eliminating closed cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220670262U (en) |
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2023
- 2023-06-21 CN CN202321593148.1U patent/CN220670262U/en active Active
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