CN220454339U - Water-saving fog-dissipating closed cooling tower - Google Patents
Water-saving fog-dissipating closed cooling tower Download PDFInfo
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- CN220454339U CN220454339U CN202321900090.0U CN202321900090U CN220454339U CN 220454339 U CN220454339 U CN 220454339U CN 202321900090 U CN202321900090 U CN 202321900090U CN 220454339 U CN220454339 U CN 220454339U
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- 238000001816 cooling Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000007921 spray Substances 0.000 claims abstract description 49
- 229920006395 saturated elastomer Polymers 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 12
- 210000003746 feather Anatomy 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a water-saving fog-dissipating type closed cooling tower, which relates to the technical field of cooling equipment and comprises a fan, a light pipe heat exchanger and an air cooling heat exchanger, wherein the air cooling heat exchanger is arranged above the light pipe heat exchanger, the air cooling heat exchanger comprises a second shell and two groups of finned tubes, the fan is arranged at the top of the second shell, a plurality of flow mixers are arranged between the two groups of finned tubes, a spray pipe is arranged above the light pipe heat exchanger, and a spray water tank is connected with the spray pipe through a circulating water pump; most of spray water falls back into the spray water tank downwards, is recycled after being pressurized by a circulating water pump, improves heat exchange efficiency, reduces consumption of water resources to the greatest extent, has good water saving effect, two sides of the second shell are communicated with the outside, two groups of fin pipes are arranged, air resistance is reduced, cooling effect is enhanced, nearly saturated wet air is uniformly mixed with hot air heated by the fin pipes after passing through the mixer, and the mixed air is changed into an unsaturated state from a saturated state and is discharged into the atmosphere without forming feathers.
Description
Technical Field
The utility model relates to the technical field of cooling equipment, in particular to a water-saving fog-dissipating closed cooling tower.
Background
When the closed cooling tower operates in a low-temperature season, the hot and humid air is discharged out of the tower and mixed with cold air, and a fog phenomenon occurs due to the fact that the fog group containing a plurality of tiny liquid particle groups is formed through cooling and condensation, the fog phenomenon can occur in the low-temperature season, and as long as the temperature of the hot and humid air in the tower is higher than the temperature of the atmosphere outside the tower, a temperature difference exists between the hot and humid air and the cold air, and the fog phenomenon occurs.
Through searching, patent number is CN213515155U, a compound closed type defogging water-saving cooling tower is disclosed, the advantages of a dry air cooler and a wet evaporative cooler are fully exerted by adopting a mode of combined operation, the start and stop of a spraying device can be controlled according to the change of the temperature of the external environment, and the working mode is switched, so that the purposes of defogging, water saving, energy saving and safe and stable operation can be realized by the whole system, different requirements of users are met, however, saturated hot and humid air cannot be uniformly mixed with hot air in the air cooler in the scheme, the hot air in the air cooler is discharged into the environment, the fog can still be generated, meanwhile, the tower body is closed, the external air can only enter the tower through a shutter, the dry air cooler is positioned under a fan, resistance is generated to the air flowing upwards when the air flows, the cooling effect is poor, the use of the evaporative cooler is aggravated, and the water saving effect is general.
Disclosure of Invention
Aiming at the defects, the utility model provides the water-saving fog-dissipating closed cooling tower, which overcomes the defects of general water-saving effect, poor cooling effect and generation of fog; the purposes of good water saving effect, good cooling effect and eliminating the plume are realized.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a water conservation fog dispersal formula closed cooling tower which characterized in that: the air cooling heat exchanger is arranged above the light pipe heat exchanger;
the air-cooled heat exchanger comprises a second shell and two groups of finned tubes, each group of finned tubes are sequentially communicated, a fan is arranged at the top of the second shell, and a plurality of flow mixers are arranged between the two groups of finned tubes;
a first shell is arranged below the second shell, the second shell is communicated with the first shell, a water collector is arranged at the inner top of the first shell, and a light pipe heat exchanger is arranged below the water collector;
a spray pipe is arranged between the water collector and the light pipe heat exchanger, and the spray pipe is communicated with a circulating water pump.
Further, a first medium inlet is formed in the upper portion of the second shell and is connected with one end of the uppermost finned tube, a first medium outlet is formed in the lower portion of the second shell and is connected with one end of the lowermost finned tube;
the upper part of the light pipe heat exchanger is provided with a second medium inlet which is connected with one end of the light pipe at the uppermost part, the lower part of the light pipe heat exchanger is provided with a second medium outlet which is connected with one end of the light pipe at the lowermost part, and the first medium outlet is communicated with the second medium inlet.
Further, the two groups of fin tubes are respectively arranged at two sides of the inside of the second shell.
Further, a spray water tank is arranged at the bottom of the first shell and is connected with a spray pipe through a circulating water pump.
Further, a shutter air inlet is arranged on the first shell above the spray water tank.
Further, the flow mixer consists of arc-shaped plates, and the two flow mixers are arranged in a V shape.
Further, a spray nozzle is arranged on the spray pipe.
Further, two sides of the second shell are communicated with the outside.
Further, two sides of the first shell are communicated with the outside.
Compared with the prior art, the utility model adopts the technical proposal and has the following advantages: firstly, adding spray water into a spray water tank, starting a fan and a circulating water pump, wherein the fan can suck external air through a fin tube gap, a light pipe gap and a shutter air inlet, a medium to be cooled firstly enters an air cooling heat exchanger through a first medium inlet to exchange heat, the temperature of the medium in the fin tube is reduced, the temperature of the medium outside the fin tube is increased, the medium enters the light pipe heat exchanger through a heat exchanger connecting pipe after being precooled by the fin tube, the circulating water pump sprays the spray water downwards on the surface of the light pipe heat exchanger through a spray nozzle, a uniform water film is formed outside the light pipe heat exchanger, the water film is continuously evaporated and gasified, the heat of the medium in the light pipe heat exchanger is absorbed, and the medium is cooled. The evaporation of the water film enables the humidity of the air to be greatly increased and approaches to a saturated state after passing through the light pipe heat exchanger, the fan pumps out saturated wet air and enables the saturated wet air to pass through the water receiver, then the saturated wet air continues to flow upwards, the water receiver removes water drops carried in the saturated wet air, most of spray water except a small amount of evaporated spray water falls back into the spray water tank downwards, the spray water is pressurized by the circulating water pump and recycled, the heat exchange efficiency is improved, the consumption of water resources is reduced to the greatest extent, the water saving effect is good, the two groups of fin pipes are respectively arranged at two sides in the second shell, no resistance is generated to the air flowing upwards, meanwhile, the two sides of the second shell are communicated with the outside, and the outside air can be directly cooled and heat exchanged through the two groups of fin pipes, so that the cooling effect is enhanced.
After passing through the mixer, the nearly saturated wet air is uniformly mixed with the hot air heated by the finned tube, the mixed air is changed from a saturated state to an unsaturated state, and the air is discharged into the atmosphere without forming feathers.
When the ambient temperature is lower, only the fan is started, the cooling tower runs in a dry mode, generation of plume is avoided, and consumption of spraying water is greatly reduced.
Drawings
FIG. 1 is a schematic view of a water-saving defogging closed cooling tower according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a water-saving defogging closed cooling tower with a hollow cold heat exchanger in an embodiment of the utility model.
In the figure: the device comprises a fan, a 2-air-cooled heat exchanger, a 3-heat exchanger connecting pipe, a 4-water collector, a 5-spray pipe, a 6-light pipe heat exchanger, a 7-first shell, an 8-shutter air inlet, a 9-spray water tank, a 10-circulating water pump, an 11-mixer, a 12-spray nozzle, a 13-second shell, a 14-finned tube, a 15-first medium inlet, a 16-first medium outlet, a 17-elbow, a 18-second medium inlet and a 19-second medium outlet.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
1-2, a water-saving fog-dissipating closed cooling tower comprises a fan 1, a light pipe heat exchanger 6 and an air cooling heat exchanger 2, wherein the air cooling heat exchanger 2 is arranged above the light pipe heat exchanger 6.
The air-cooled heat exchanger 2 comprises a second shell 13 and two groups of finned tubes 14, wherein the two groups of finned tubes 14 are respectively arranged at two sides inside the second shell 13, two sides of the second shell 13 are communicated with the outside, the two groups of finned tubes 14 are exposed to the outside, each group of finned tubes 14 are sequentially communicated, adjacent finned tubes 14 in each group of finned tubes 14 are connected through an elbow 17, a first medium inlet 15 is arranged at the upper part of the second shell 13, the first medium inlet 15 is connected with one end of the uppermost finned tube 14, a first medium outlet 16 is arranged at the lower part of the second shell 13, the first medium outlet 16 is connected with one end of the lowermost finned tube 14, and the fan 1 is arranged at the top of the second shell 13, in this example, three finned tubes are arranged.
A plurality of mixers 11 are arranged between the two groups of fin tubes 14, in this example, two mixers 11 are composed of arc-shaped plates, the two mixers 11 are arranged in a V shape, the mixers 11 can uniformly mix dry air and wet air, and the mixers 11 are current general equipment.
The lower part of the second shell 13 is provided with a first shell 7, the second shell 13 is communicated with the first shell 7, the top in the first shell 7 is provided with a water receiver 4, the water receiver 4 is used for absorbing large water drops, the light pipe heat exchanger 6 is arranged below the water receiver 4, two sides of the first shell 7 are communicated with the outside, the light pipe heat exchanger 6 is exposed to the outside environment, the light pipe heat exchanger 6 is current universal equipment, the upper part of the light pipe heat exchanger 6 is provided with a second medium inlet 18, the second medium inlet 18 is connected with one end of the uppermost light pipe, the lower part of the light pipe heat exchanger 6 is provided with a second medium outlet 19, the second medium outlet 19 is connected with one end of the lowermost light pipe, and the first medium outlet 16 is connected with the second medium inlet 18 through a heat exchanger connecting pipe 3.
A spray pipe 5 is arranged between the water collector 4 and the light pipe heat exchanger 6, the spray pipe 5 is communicated with a circulating water pump 10, a plurality of spray nozzles 12 are arranged on the spray pipe 5, and the spray water evaporates and absorbs heat in the light pipe heat exchanger 6 so as to achieve the purpose of cooling.
The bottom of the first shell 7 is provided with a spray water tank 9, the spray water tank 9 is connected with the spray pipe 5 through a circulating water pump 10, and a shutter air inlet 8 is arranged on the first shell 7 above the spray water tank 9.
The using method comprises the following steps: firstly, spray water is added into a spray water tank 9, a fan 1 and a circulating water pump 10 are started, the fan 1 can suck external air through gaps of a fin tube 14, gaps of a light pipe and a shutter air inlet 8, medium to be cooled firstly enters the air-cooled heat exchanger 2 through a first medium inlet 15 to exchange heat, the temperature of the medium in the fin tube 14 is reduced, the temperature of the air outside the fin tube 14 is increased, the medium enters the light pipe heat exchanger 6 through a heat exchanger connecting pipe 3 after being precooled by the fin tube 14, the circulating water pump 10 sprays the spray water downwards and uniformly on the surface of the light pipe heat exchanger 6 through the spray nozzle 12, a uniform water film is formed outside the light pipe heat exchanger 6, the water film is continuously evaporated and gasified, the heat of the medium in the light pipe heat exchanger 6 is absorbed, and the medium is cooled. The evaporation of the water film greatly increases the humidity of the air after passing through the light pipe heat exchanger 6 to be close to a saturated state, the fan 1 pumps out saturated wet air and enables the saturated wet air to pass through the water receiver 4, then the saturated wet air continuously flows upwards, the water receiver 4 removes water drops carried in the saturated wet air, most of spray water except a small amount of evaporated spray water falls back into the spray water tank 9 downwards, the water is recycled after being pressurized by the circulating water pump 10, the heat exchange efficiency is improved, the consumption of water resources is reduced to the greatest extent, the water-saving effect is good, two groups of fin pipes 14 are respectively arranged at two sides in the second shell 13, resistance is not generated to the upward flowing air, meanwhile, two sides of the second shell 13 are communicated with the outside, and the outside air can directly perform cooling heat exchange through the two groups of fin pipes 14, so that the cooling effect is improved.
The nearly saturated wet air passes through the mixer 11 and is uniformly mixed with the hot air heated by the fin tube 14, and the mixed air is changed from a saturated state to an unsaturated state, and is discharged to the atmosphere without forming a plume.
When the ambient temperature is lower, only the fan 1 is started, the cooling tower runs in a dry mode, generation of plume is avoided, and consumption of spraying water is greatly reduced.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (9)
1. The utility model provides a water conservation fog dispersal formula closed cooling tower which characterized in that: the air-cooled heat exchanger (2) is arranged above the light pipe heat exchanger (6);
the air-cooled heat exchanger (2) comprises a second shell (13) and two groups of finned tubes (14), wherein each group of finned tubes (14) are sequentially communicated, the fan (1) is arranged at the top of the second shell (13), and a plurality of mixers (11) are arranged between the two groups of finned tubes (14);
a first shell (7) is arranged below the second shell (13), the second shell (13) is communicated with the first shell (7), a water collector (4) is arranged at the inner top of the first shell (7), and a light pipe heat exchanger (6) is arranged below the water collector (4);
a spray pipe (5) is arranged between the water collector (4) and the light pipe heat exchanger (6), and the spray pipe (5) is communicated with a circulating water pump (10).
2. A water-saving and mist-eliminating closed cooling tower according to claim 1, wherein: the upper part of the second shell (13) is provided with a first medium inlet (15), the first medium inlet (15) is connected with one end of the uppermost finned tube (14), the lower part of the second shell (13) is provided with a first medium outlet (16), and the first medium outlet (16) is connected with one end of the lowermost finned tube (14);
the upper part of the light pipe heat exchanger (6) is provided with a second medium inlet (18), the second medium inlet (18) is connected with one end of the uppermost light pipe, the lower part of the light pipe heat exchanger (6) is provided with a second medium outlet (19), the second medium outlet (19) is connected with one end of the lowermost light pipe, and the first medium outlet (16) is communicated with the second medium inlet (18).
3. A water-saving and mist-eliminating closed cooling tower according to claim 1, wherein: the two groups of fin tubes (14) are respectively arranged at two sides of the interior of the second shell (13).
4. A water-saving and mist-eliminating closed cooling tower according to claim 1, wherein: the bottom of the first shell (7) is provided with a spray water tank (9), and the spray water tank (9) is connected with the spray pipe (5) through a circulating water pump (10).
5. A water-saving and mist-eliminating closed cooling tower according to claim 4, wherein: a shutter air inlet (8) is arranged on the first shell (7) above the spray water tank (9).
6. A water-saving and mist-eliminating closed cooling tower according to claim 1, wherein: the flow mixers (11) are composed of arc-shaped plates, and the two flow mixers (11) are arranged in a V shape.
7. A water-saving and mist-eliminating closed cooling tower according to claim 1, wherein: and a spray nozzle (12) is arranged on the spray pipe (5).
8. A water-saving and mist-eliminating closed cooling tower according to claim 1, wherein: both sides of the second shell (13) are communicated with the outside.
9. A water-saving and mist-eliminating closed cooling tower according to claim 1, wherein: both sides of the first shell (7) are communicated with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321900090.0U CN220454339U (en) | 2023-07-19 | 2023-07-19 | Water-saving fog-dissipating closed cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321900090.0U CN220454339U (en) | 2023-07-19 | 2023-07-19 | Water-saving fog-dissipating closed cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220454339U true CN220454339U (en) | 2024-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321900090.0U Active CN220454339U (en) | 2023-07-19 | 2023-07-19 | Water-saving fog-dissipating closed cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220454339U (en) |
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2023
- 2023-07-19 CN CN202321900090.0U patent/CN220454339U/en active Active
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