CN216558385U - Wet film humidifying and cooling system for counter-flow cooling tower - Google Patents
Wet film humidifying and cooling system for counter-flow cooling tower Download PDFInfo
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- CN216558385U CN216558385U CN202123229592.9U CN202123229592U CN216558385U CN 216558385 U CN216558385 U CN 216558385U CN 202123229592 U CN202123229592 U CN 202123229592U CN 216558385 U CN216558385 U CN 216558385U
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Abstract
The utility model relates to a wet film humidifying and cooling system for a counter-flow cooling tower, which belongs to the technical field of counter-flow cooling towers and comprises a counter-flow cooling air inlet shutter, a steel tower body, an air outlet cylinder, a water distribution pipe, a filler, a water collecting tray, an axial flow fan, a water inlet pipe, a water outlet pipe, a wet film humidifying and cooling device, a wet film hollowed side, a wet film hydrophilic side and a temperature sensor. The system cools and humidifies the inlet air of the cooling tower through the wet film humidifying and cooling device arranged in the water collecting tray of the counter-flow cooling tower. Through setting up the temperature sensor in the air inlet tripe outside, the switching of "wet membrane fretwork side", "the hydrophilic side of wet membrane" of interlock control starts the humidification cooling as required. The wet film humidifying and cooling device is simple in structure and convenient to maintain. The air inlet of the cooling tower is filtered by the wet film, so that the cleaning difficulty of the filler of the cooling tower is effectively reduced, and the later-stage operation and maintenance cost is reduced.
Description
Technical Field
The utility model relates to the technical field of counter-flow cooling towers, and is used for humidifying and cooling a wet film of a cooling tower.
Background
The data center project IT computer lab requires certain ambient temperature, for satisfying this requirement, need set up the cold machine system and provide the precision air conditioning equipment of refrigerated water to IT computer lab, for satisfying cold machine preparation refrigerated water system, cold machine needs the cooling water that the cooling tower provided the uniform temperature to carry out the temperature replacement with the required refrigerated water of output system, and the temperature of cooling water is usually got by the cooling tower through replacing with the atmosphere. The cooling tower is usually a cross-flow cooling tower or a counter-flow cooling tower, and the counter-flow cooling tower is widely used due to high heat exchange efficiency.
The utility model achieves the recycling of water in a water collecting tray of the cooling tower by arranging a wet film humidifying and cooling device at the air inlet side of the tower body, increases the heat exchange time of water-water (filler water and water tank water) and air-water (cooling tower inlet water and spray water), thereby ensuring that the water temperature of the water tray is lower and the temperature difference of supply water and return water of the cooling tower is larger. Meanwhile, the wet film humidifying and cooling device is simple in structure and convenient to maintain. The air inlet of the cooling tower is filtered by the wet film, so that the cleaning difficulty of the filler of the cooling tower is effectively reduced, and the later-stage operation and maintenance cost is reduced.
Disclosure of Invention
The utility model aims to solve the problems that the counter-flow cooling tower is more energy-saving in operation and easier to maintain operation and maintenance.
A wet film humidifying and cooling system for a counter-flow cooling tower comprises a counter-flow cooling air inlet shutter, a steel tower body, an air outlet cylinder, a water distribution pipe, a filler, a water collecting tray, an axial flow fan, a water inlet pipe, a water outlet pipe, a wet film cooling device, a wet film hollowed-out side, a wet film hydrophilic side, a temperature sensor and the like.
The wet film humidifying and cooling system of the counter-flow cooling tower is characterized in that a wet film cooling device is installed on the inner side of an air inlet of the cooling tower.
The wet film humidifying and cooling system of the counter-flow cooling tower is characterized in that the hydrophilic side of the wet film cooling device is immersed in a water collecting tray at the bottom of the cooling tower.
The wet film humidifying and cooling system of the counter-flow cooling tower is characterized in that a temperature sensor is positioned outside an air inlet shutter at the lower part of the cooling tower.
The wet film humidifying and cooling system of the counter-flow cooling tower comprises the following steps:
1) when the cooling tower normally operates, cold air in the atmosphere at the lower part of the counter-flow cooling tower enters the cooling tower through the air inlet shutter, the axial flow fan in the air outlet cylinder is started to suck the air in the cooling tower upwards, and the air is discharged into the atmosphere at the upper part of the tower body to enable the air to naturally flow upwards. The inlet tube passes through the branch form water distributor that the tower body laid to the higher intake of temperature to spray the tower body cooling and pack to the mode of water droplet, the water droplet is under the effect of gravity, flows downwards along packing with the mode of water film, and the higher water of temperature contacts with the cold air that flows upwards in packing, and the heat of aquatic is taken away by cold air under the effect of heat exchange, and the temperature of water reduces. The low-temperature water is collected into the water collecting tray of the cooling tower after being filled, and is uniformly discharged out of the tower body through the water outlet pipe.
2) The temperature sensor arranged outside the air inlet shutter of the cooling tower outputs an electric signal according to the atmospheric temperature of the lower part of the tower body, the wet film humidifying and cooling device is controlled in a linkage mode, and the working modes of the wet film hollowed side and the wet film hydrophilic side of the wet film humidifying and cooling device are switched.
3) When the atmospheric temperature of the lower part of the tower body is higher than the set temperature (such as the atmospheric temperature of 33 ℃), the temperature sensor controls the wet film humidifying and cooling device to adjust to the humidifying side, and the wet film humidifying and cooling device humidifies and cools the inlet air by using the low-temperature water in the water collecting tray of the cooling tower. When the atmospheric temperature of the lower part of the tower body is not higher than the set temperature (such as the atmospheric temperature of 33 ℃), the temperature sensor controls the wet film humidifying and cooling device to adjust to the humidifying hollowed-out side, and the humidifying and cooling are stopped.
4) The hydrophilic side of the wet film humidifying and cooling device is immersed in the water collecting tray at the bottom of the cooling tower, so that the water in the water collecting tray of the cooling tower is recycled, the water temperature of the water collecting tray is lower, and the temperature of the water outlet pipe of the cooling tower is lower.
Compared with the traditional cooling tower, the cooling tower has the following characteristics:
1. the reuse of water in the water collecting tray of the cooling tower is realized, the water temperature of the water collecting tray is lower, and the temperature difference of the supply water and the return water of the cooling tower is larger.
2. The wet film humidifying and cooling device is simple in structure and convenient to maintain.
3. Effectively reducing the cleaning difficulty of the cooling tower filler and reducing the later operation and maintenance cost.
Drawings
FIG. 1 is a schematic diagram of the operation of a wet film humidification and temperature reduction system of a counter-flow cooling tower;
1. air inlet shutter; 2. a steel tower body; 3. an air outlet cylinder; 4. a water distribution pipe;
5. a filler; 6. a water collection tray; 7. an axial flow fan; 8. a water outlet pipe;
9. the wet film is hollowed out; 10. a wet film hydrophilic side; 11. a wet film humidifier; 12. a water inlet pipe;
13. a temperature sensor;
Detailed Description
Example 1
The embodiment of the utility model provides a wet film humidifying and cooling system for a counter-flow cooling tower, and refers to the schematic diagram of a wet film humidifying and cooling device of the counter-flow cooling tower shown in the attached figure 1.
As shown in the attached drawing, when the cooling tower normally operates, cold air in the atmosphere at the lower part of the counter-flow cooling tower enters the cooling tower body 2 through the air inlet shutter 1, the axial flow fan 7 in the air outlet cylinder 3 is started to suck the air in the cooling tower upwards, and the air is discharged into the atmosphere at the upper part of the tower body to enable the air to naturally flow upwards. The higher water of inlet tube 12 temperature passes through the branch form water-distribution pipe 4 that the tower body was laid to the mode of little water droplet sprays the tower body cooling and packs 5 on, and the little water droplet is under the effect of gravity, flows downwards along packing with the mode of water film, and the higher water of temperature contacts with the cold air that flows upwards in packing, and the heat of aquatic is taken away by cold air under the effect of heat exchange, and the temperature of water reduces. The low-temperature water is collected into the water collecting tray 6 of the cooling tower after being filled, and is discharged out of the tower body through the water outlet pipe 8.
The temperature sensor 13 arranged outside the air inlet shutter of the cooling tower outputs an electric signal according to the atmospheric temperature of the lower part of the tower body, the wet film humidifying and cooling device 11 is controlled in a linkage mode, and the working modes of the 'wet film hollowed-out side 9' and 'wet film hydrophilic side 10' of the wet film humidifying and cooling device are switched.
When the atmospheric temperature of the lower part of the tower body 2 is higher than the set temperature (such as the atmospheric temperature of 33 ℃), the temperature sensor 13 controls the wet film humidifying and cooling device 11 to adjust to the humidifying and hydrophilic side 10, and the wet film humidifying and cooling device humidifies and cools the inlet air by using the low-temperature water in the water collecting tray 6 of the cooling tower. When the atmospheric temperature at the lower part of the tower body is not higher than the set temperature (such as the atmospheric temperature of 33 ℃), the temperature sensor 13 controls the wet film humidifying and cooling device 11 to adjust to the humidifying hollowed-out side 9 in a linkage mode, and the humidifying and cooling are stopped.
Wet membrane humidification heat sink 11 "the hydrophilic side 10 of humidification immerses in cooling tower bottom water-collecting tray 6, has reached the reuse of cooling tower water-collecting tray 6 normal water, makes the water temperature of water-collecting tray 6 lower, and cooling tower outlet pipe 8 temperature is lower, and simultaneously, the filtration of cooling tower air inlet process wet membrane has effectively reduced the clean degree of difficulty that the cooling tower packed, has reduced later stage fortune dimension cost.
Claims (1)
1. The utility model provides a wet film humidification cooling system for counterflow cooling tower, includes counterflow cooling air inlet tripe, the steel tower body, goes out the chimney, the water distributor, packs, the water catch tray, axial fan, inlet tube, outlet pipe, wet film heat sink, wet film fretwork side, the hydrophilic side of wet film, temperature sensor, its characterized in that wet film heat sink install in cooling tower air intake inboard, the hydrophilic side of wet film heat sink is soaked in cooling tower bottom water catch tray, temperature sensor is located the cooling tower lower part air inlet tripe outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123229592.9U CN216558385U (en) | 2021-12-21 | 2021-12-21 | Wet film humidifying and cooling system for counter-flow cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123229592.9U CN216558385U (en) | 2021-12-21 | 2021-12-21 | Wet film humidifying and cooling system for counter-flow cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216558385U true CN216558385U (en) | 2022-05-17 |
Family
ID=81544250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123229592.9U Active CN216558385U (en) | 2021-12-21 | 2021-12-21 | Wet film humidifying and cooling system for counter-flow cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216558385U (en) |
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2021
- 2021-12-21 CN CN202123229592.9U patent/CN216558385U/en active Active
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