CN217058421U - Water supply energy-saving control device for cooling tower - Google Patents
Water supply energy-saving control device for cooling tower Download PDFInfo
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- CN217058421U CN217058421U CN202123165419.7U CN202123165419U CN217058421U CN 217058421 U CN217058421 U CN 217058421U CN 202123165419 U CN202123165419 U CN 202123165419U CN 217058421 U CN217058421 U CN 217058421U
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- water
- cooling tower
- pond
- control device
- saving control
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000001816 cooling Methods 0.000 title claims abstract description 53
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 3
- 101100408455 Arabidopsis thaliana PLC7 gene Proteins 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a cooling tower water supply energy-saving control device it includes pond and cooling tower, pond one side is provided with the water pump, it is provided with the motor to connect on the water pump, be connected through the inlet tube between water pump water inlet and the pond, be connected through the outlet pipe between water pump delivery port and the cooling tower, be connected through the wet return between cooling tower and the pond, be provided with temperature sensor in the pond, the pond is provided with the control box outward, temperature sensor and motor all are connected with the control box. The utility model relates to a cooling tower energy-saving control device that supplies water, its installation temperature sensor in the pond can change the rotational speed according to the actual temperature control three-phase asynchronous machine of cooling water in the pond to change the cooling water yield, reach energy-conserving purpose.
Description
Technical Field
The utility model relates to a cooling tower water supply energy-saving control device belongs to cooling tower technical field.
Background
The existing circulating cooling water flows into a water pool through a pipeline, water in the water pool is conveyed to the top of a cooling tower above the water pool through a water pump driven by a three-phase asynchronous motor, is blown by a cooling fan to flow down along the periphery of a cold area tower and then flows back into the water pool through the pipeline, and the circulating cooling water cooling tower has the following problems:
1. when the circulating cooling water system is designed, the reserved expansion of a maximum load machine is considered, the flow rates of a three-phase asynchronous motor and a water pump are generally 30% higher than the actual full-load usage amount, and therefore systematic energy waste is caused;
2. the required amount of cooling water caused by the use amount of the tail end machine has a large variation range, so that the temperature of the water pool is greatly changed, the water pool can be used at low temperature even without using a cooling tower for cooling, and the conventional method can not shut down the cooling tower, so that a motor does not work, and the energy waste is caused;
3. the environmental temperature changes greatly all the year round, the water temperature in summer is high, the water temperature in winter is low, the water quantity to be cooled changes greatly, and the rotating speed of the three-phase asynchronous motor is fixed, so that the cooling water quantity cannot be changed as required, and energy waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a cooling tower water supply energy-saving control device is provided to above-mentioned prior art, its installation temperature sensor in the pond can change the rotational speed according to the actual temperature control three-phase asynchronous machine of cooling water in the pond to change the cooling water yield, reach energy-conserving purpose.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a cooling tower water supply energy-saving control device, it includes pond and cooling tower, pond one side is provided with the water pump, it is provided with the motor to connect on the water pump, be connected through the inlet tube between water pump water inlet and the pond, be connected through the outlet pipe between water pump delivery port and the cooling tower, be connected through the wet return between cooling tower and the pond, be provided with temperature sensor in the pond, be provided with the control box outside the pond, temperature sensor and motor all are connected with the control box.
Optionally, a PLC and a frequency converter are arranged in the control box, the PLC and the frequency converter are connected through an internal circuit, the temperature sensor is connected with the PLC through a circuit, and the motor is connected with the frequency converter through a circuit.
Optionally, the electricity uses a three-phase asynchronous motor.
Optionally, a cooling fan is arranged at the upper part of the cooling tower.
Optionally, one end of the water outlet pipe is connected with the water pump, and the other end of the water outlet pipe is connected to a position close to the top of the cooling tower.
Optionally, return water pipe one end is connected with the cooling tower lower part, and the other end is connected with the pond lower part.
Optionally, the water inlet pipe, the water outlet pipe and the water return pipe are made of stainless steel.
Compared with the prior art, the utility model has the advantages of:
the utility model relates to a cooling tower energy-saving control device that supplies water, its installation temperature sensor in the pond can change the rotational speed according to the actual temperature control three-phase asynchronous machine of cooling water in the pond to change the cooling water yield, reach energy-conserving purpose.
Drawings
Fig. 1 is a schematic structural view of the water supply energy-saving control device of the cooling tower of the present invention.
Wherein:
Return pipe 7
Temperature sensor 8
Control box 9
PLC10
The cooling fan 12.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, the utility model relates to a cooling tower water supply energy-saving control device, it includes pond 1 and cooling tower 2, pond 1 one side is provided with water pump 3, it is provided with motor 4 to connect on the water pump 3, be connected through inlet tube 5 between water pump 3 water inlet and the pond 1, be connected through outlet pipe 6 between water pump 3 delivery port and the cooling tower 2, be connected through return pipe 7 between cooling tower 2 and the pond 1, be provided with temperature sensor 8 in the pond 1, be provided with control box 9 outside the pond 1, temperature sensor 8 and motor 4 are all connected with control box 9;
a PLC10 and a frequency converter 11 are arranged in the control box 9, the PLC10 is connected with the frequency converter 11 through an internal circuit, the temperature sensor 8 is connected with a PLC10 through a circuit, and the motor 4 is connected with the frequency converter 11 through a circuit;
the motor 4 adopts a three-phase asynchronous motor;
a cooling fan 12 is arranged at the upper part of the cooling tower 2;
one end of the water outlet pipe 6 is connected with the water pump 3, and the other end of the water outlet pipe is connected to a position close to the top of the cooling tower 2;
one end of the water return pipe 7 is connected with the lower part of the cooling tower 2, and the other end of the water return pipe is connected with the lower part of the water pool 1;
the water inlet pipe 5, the water outlet pipe 6 and the water return pipe 7 are made of stainless steel.
The working principle is as follows:
motor drive water pump work, carry the cooling water in the pond to the cooling tower top from the outlet pipe, the cooling water cools off through cooling fan at the in-process of whereabouts, the cooling water of whereabouts to the cooling tower bottom passes through the wet return and flows back to in the pond 2, be provided with temperature sensor in the pond, temperature sensor can the temperature in real time monitoring pond, and with the PLC of temperature signal transmission to control box, PLC compares according to the temperature value of temperature sensor feedback and setting value, instruct for the converter under the parameter that sets up according to PID, through converter control motor rotational speed, thereby change the cooling water yield, reach energy-conserving purpose. When the water consumption is low in winter and the temperature of the pool is lower than the set lower temperature limit, the motor does not rotate and consumes no power; when the water temperature is higher than the set lower limit and lower than the set upper limit, the rotating speed of the motor is changed according to the curve set by the PID software, cooling water is supplied according to the curve proportion, and the temperature is kept in a controllable range.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement modes should fall within the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a cooling tower water supply energy-saving control device which characterized in that: it includes pond (1) and cooling tower (2), pond (1) one side is provided with water pump (3), it is provided with motor (4) to connect on water pump (3), be connected through inlet tube (5) between water pump (3) water inlet and the pond (1), be connected through outlet pipe (6) between water pump (3) delivery port and the cooling tower (2), be connected through wet return (7) between cooling tower (2) and pond (1), be provided with temperature sensor (8) in pond (1), pond (1) is provided with control box (9) outward, temperature sensor (8) and motor (4) all are connected with control box (9).
2. The energy-saving control device for water supply of the cooling tower as claimed in claim 1, wherein: the control box (9) is internally provided with a PLC (10) and a frequency converter (11), the PLC (10) is connected with the frequency converter (11) through an internal circuit, the temperature sensor (8) is connected with the PLC (10) through a circuit, and the motor (4) is connected with the frequency converter (11) through a circuit.
3. The energy-saving control device for water supply of the cooling tower as claimed in claim 1, wherein: the motor (4) adopts a three-phase asynchronous motor.
4. The energy-saving control device for water supply of the cooling tower as claimed in claim 1, wherein: and a cooling fan (12) is arranged at the upper part of the cooling tower (2).
5. The energy-saving control device for water supply of the cooling tower as claimed in claim 1, wherein: one end of the water outlet pipe (6) is connected with the water pump (3), and the other end of the water outlet pipe is connected to the position close to the top of the cooling tower (2).
6. The energy-saving control device for water supply of the cooling tower as claimed in claim 1, wherein: one end of the water return pipe (7) is connected with the lower part of the cooling tower (2), and the other end of the water return pipe is connected with the lower part of the water pool (1).
7. The energy-saving control device for water supply of the cooling tower as claimed in claim 1, wherein: the water inlet pipe (5), the water outlet pipe (6) and the water return pipe (7) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123165419.7U CN217058421U (en) | 2021-12-16 | 2021-12-16 | Water supply energy-saving control device for cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123165419.7U CN217058421U (en) | 2021-12-16 | 2021-12-16 | Water supply energy-saving control device for cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217058421U true CN217058421U (en) | 2022-07-26 |
Family
ID=82476807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123165419.7U Active CN217058421U (en) | 2021-12-16 | 2021-12-16 | Water supply energy-saving control device for cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217058421U (en) |
-
2021
- 2021-12-16 CN CN202123165419.7U patent/CN217058421U/en active Active
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