CN213300319U - Cooling water circulation temperature control system - Google Patents
Cooling water circulation temperature control system Download PDFInfo
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- CN213300319U CN213300319U CN202022415222.3U CN202022415222U CN213300319U CN 213300319 U CN213300319 U CN 213300319U CN 202022415222 U CN202022415222 U CN 202022415222U CN 213300319 U CN213300319 U CN 213300319U
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- cooling water
- circulating
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Abstract
The utility model discloses a cooling water circulation temperature control system, include: circulating water pond, central air conditioning system and cooling water tower, the cooling water tower is linked together through first pipeline and circulating water pond, the circulating water pond links to each other with central air conditioning system through the second pipeline, be provided with the circulating pump on the second pipeline, central air conditioning system passes through the third pipeline and links to each other with the cooling water tower, be connected with the reposition of redundant personnel pipeline on the third pipeline, the reposition of redundant personnel pipeline links to each other with the second pipeline that is located the circulating pump left, be provided with first governing valve on the reposition of redundant personnel pipeline, be provided with the second governing valve on the third pipeline that is located the reposition of redundant personnel pipeline left side, be provided with first temperature sensor on the third pipeline that is located reposition of redundant personnel pipeline right side, first temperature sensor is connected with first governing valve and. The utility model has the advantages that: the temperature of the cooling water can be accurately controlled without repeatedly introducing other external heat into the circulating water tank for heating.
Description
Technical Field
The utility model relates to a cooling water circulation temperature control system.
Background
The temperature of the circulating cooling water is generally required to be lower and better, so that the heat exchange quantity can be increased, and the aim of better cooling effect on equipment is fulfilled. However, the temperature of the cooling water in the central air-conditioning system cannot be too low, and is generally required to be kept between 18 ℃ and 32 ℃ to ensure the normal operation of the cooling liquid system in the central air-conditioning system. Taking the middle and lower reaches of the Yangtze river as an example, the temperature of the circulating cooling water still cannot reach the requirement of not less than 18 ℃ even if the cooling fan is completely turned off from 12 late months to 3 early months of the next year. The existing method is to repeatedly introduce steam into the circulating water tank and forcibly raise the temperature, and although the method can enable the temperature of cooling water to meet the requirement, the energy consumption is extremely high, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a need not to let in other external heat repeatedly in the pond of circulating water, can make the cooling water circulation temperature control system that the temperature of cooling water reaches the requirement.
In order to achieve the above object, the utility model adopts the following technical scheme: cooling water circulation temperature control system includes: circulating water pond, central air conditioning system and cooling water tower, the cooling water tower is linked together through first pipeline and circulating water pond, the circulating water pond links to each other with central air conditioning system through the second pipeline, be provided with the circulating pump on the second pipeline, central air conditioning system passes through the third pipeline and links to each other with the cooling water tower, be connected with the reposition of redundant personnel pipeline on the third pipeline, the reposition of redundant personnel pipeline links to each other with the second pipeline that is located the circulating pump left, be provided with first governing valve on the reposition of redundant personnel pipeline, be provided with the second governing valve on the third pipeline that is located the reposition of redundant personnel pipeline left side, be provided with first temperature sensor on the third pipeline that is located reposition of redundant personnel pipeline right side, first temperature sensor is connected with first governing valve and.
Further, in the cooling water circulation temperature control system, a first electromagnetic valve is disposed on the first pipeline.
Further, in the cooling water circulation temperature control system, a second electromagnetic valve is disposed on a second pipeline between the diversion pipeline and the circulation pump.
Further, in the cooling water circulation temperature control system, a filter is disposed on the second pipeline between the circulating water tank and the diversion pipeline.
Further, in the cooling water circulation temperature control system, the circulation water tank is connected with a steam generator and a second temperature sensor, and the second temperature sensor is electrically connected with the steam generator through the central control device.
The utility model has the advantages that: the diversion pipeline is additionally arranged on the third pipeline, so that a part of cooling water does not return to the cooling tower but directly returns to the circulating pump before returning to the cooling tower, and the heat loss is reduced. Meanwhile, the water quantity returning to the cold water tower is adjusted through the first adjusting valve, so that the temperature of the cold water tank can be accurately controlled, the cooling water can keep the optimal temperature, and other external heat is not required to be repeatedly introduced into the circulating water tank for heating. Meanwhile, a part of cooling water directly falls back into the second pipeline to form certain pressure on the circulating pump, so that the working of the circulating pump is reduced under the same output condition, and the electric energy is saved.
Drawings
Fig. 1 is a schematic structural diagram of a cooling water circulation temperature control system according to the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and preferred embodiments.
As shown in FIG. 1, the cooling water circulation temperature control system of the present invention comprises: the circulating water tank 1, the central air-conditioning system 2 and the cooling tower 3 are connected with a steam generator 4 and a second temperature sensor 41 on the circulating water tank 1, and the second temperature sensor 41 is electrically connected with the steam generator 4 through a central control device. The cooling tower 3 is communicated with the circulating water tank 1 through a first pipeline 5, and a first electromagnetic valve 51 is arranged on the first pipeline 5. Circulating water pond 1 links to each other with central air conditioning system 2 through second pipeline 6, be provided with circulating pump 61 on second pipeline 6, central air conditioning system 2 links to each other with cold water tower 3 through third pipeline 7, be connected with reposition of redundant personnel pipeline 8 on third pipeline 7, reposition of redundant personnel pipeline 8 links to each other with the second pipeline 6 that is located the left of circulating pump 61, be provided with second solenoid valve 62 on the second pipeline 6 that is located between reposition of redundant personnel pipeline 8 and circulating pump 61, be provided with filter 63 on the second pipeline 6 that is located between circulating water pond 1 and reposition of redundant personnel pipeline 8. A first regulating valve 81 is provided on the branch pipe 8, a second regulating valve 71 is provided on the third pipe 7 located on the left side of the branch pipe 8, a first temperature sensor 72 is provided on the third pipe 7 located on the right side of the branch pipe 8, and the first temperature sensor 72 is electrically connected to the first regulating valve 81 and the second regulating valve 71, respectively, through a central control device.
After the cooling water is initially added into the circulating water tank 1, if the temperature of the initial cooling water is not between 18 and 32 ℃, the second temperature sensor 41 sends a signal to the central control device, and the central control device controls the steam generator 4 to heat the cooling water in the circulating water tank 1 until the water temperature of the cooling water meets the requirement. During operation, the temperature of the central air-conditioning system 2 rises after cooling operation is performed on the central air-conditioning system 2 by the cooling water in the circulating water tank 1, the cooling water after temperature rise flows to the cooling tower 3 in the third pipeline 7, when the first temperature sensor 72 senses that the temperature of the cooling water in the third pipeline 7 is high, the first temperature sensor 72 sends a signal to the central control device according to the temperature, the central control device can respectively control the opening degree of the first regulating valve 81 and the second regulating valve 71 according to the temperature, so that a part of the cooling water directly flows back into the second pipeline 6 through the diversion pipeline 8, the other part of the cooling water flows into the cooling tower 3, the cooling water flowing back into the second pipeline 6 is mixed with the cooling water coming out of the circulating water pool 1, then the mixture enters the central air-conditioning system 2 for cooling through the circulating pump 61, and the cooling water entering the cooling tower 3 is cooled and then returns to the circulating water pool 1.
The utility model has the advantages that: the diversion pipeline is additionally arranged on the third pipeline, so that a part of cooling water does not return to the cooling tower but directly returns to the circulating pump before returning to the cooling tower, and the heat loss is reduced. Meanwhile, the water quantity returning to the cold water tower is adjusted through the first adjusting valve, so that the temperature of the cold water tank can be accurately controlled, the cooling water can keep the optimal temperature, and other external heat is not required to be repeatedly introduced into the circulating water tank for heating. Meanwhile, a part of cooling water directly falls back into the second pipeline to form certain pressure on the circulating pump, so that the working of the circulating pump is reduced under the same output condition, and the electric energy is saved.
Claims (5)
1. Cooling water circulation temperature control system includes: circulating water pond, central air conditioning system and cold water tower, its characterized in that: the cooling tower is communicated with a circulating water tank through a first pipeline, the circulating water tank is connected with a central air conditioning system through a second pipeline, a circulating pump is arranged on the second pipeline, the central air conditioning system is connected with the cooling tower through a third pipeline, a shunt pipeline is connected onto the third pipeline, the shunt pipeline is connected with a second pipeline located on the left side of the circulating pump, a first regulating valve is arranged on the shunt pipeline, a second regulating valve is arranged on the third pipeline located on the left side of the shunt pipeline, a first temperature sensor is arranged on the third pipeline located on the right side of the shunt pipeline, and the first temperature sensor is electrically connected with the first regulating valve and the second regulating valve through a central control device respectively.
2. The cooling water circulation temperature control system according to claim 1, wherein: a first electromagnetic valve is arranged on the first pipeline.
3. The cooling water circulation temperature control system according to claim 1, wherein: a second electromagnetic valve is arranged on a second pipeline between the diversion pipeline and the circulating pump.
4. The cooling water circulation temperature control system according to claim 1, wherein: and a filter is arranged on the second pipeline between the circulating water tank and the diversion pipeline.
5. The cooling water circulation temperature control system according to claim 1, 2, 3 or 4, wherein: and the circulating water tank is connected with a steam generator and a second temperature sensor, and the second temperature sensor is electrically connected with the steam generator through a central control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022415222.3U CN213300319U (en) | 2020-10-27 | 2020-10-27 | Cooling water circulation temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022415222.3U CN213300319U (en) | 2020-10-27 | 2020-10-27 | Cooling water circulation temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213300319U true CN213300319U (en) | 2021-05-28 |
Family
ID=76015394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022415222.3U Active CN213300319U (en) | 2020-10-27 | 2020-10-27 | Cooling water circulation temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213300319U (en) |
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2020
- 2020-10-27 CN CN202022415222.3U patent/CN213300319U/en active Active
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