CN211903903U - Automatic control and regulation system for spray water of cooling tower - Google Patents
Automatic control and regulation system for spray water of cooling tower Download PDFInfo
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- CN211903903U CN211903903U CN201922154261.XU CN201922154261U CN211903903U CN 211903903 U CN211903903 U CN 211903903U CN 201922154261 U CN201922154261 U CN 201922154261U CN 211903903 U CN211903903 U CN 211903903U
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- cooling tower
- electromagnetic valve
- cooling
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Abstract
The utility model discloses a cooling tower shower water automatic control governing system, include: the closed cooling tower, a spray header and a spray water pool are arranged corresponding to the cooling tower; the method is characterized in that: the spray head is connected with a spray water pool through a spray pipeline, and a spray pump is arranged on the spray pipeline; a water collecting tray is installed on the closed cooling tower, a three-way electromagnetic valve is arranged on the water collecting tray, one end of the three-way electromagnetic valve is connected with a recovery pipe, the recovery pipe is connected with a spraying water pool, and one end of the three-way electromagnetic valve is connected with a cooling pipe; a first temperature sensor is arranged in the spraying water tank, and a second temperature sensor is arranged in the water collecting tray; the first temperature sensor and the second temperature sensor are respectively electrically connected with the three-way electromagnetic valve. The utility model discloses can effectively reduce the temperature of interior cold water in the cooling tower, use through the cooperation of temperature sensor and solenoid valve, realize automatic control and adjust.
Description
Technical Field
The utility model relates to a cooling arrangement technical field specifically is a cooling tower shower water automatic control governing system.
Background
The converter valve is one of core devices of a direct-current transmission project, so that the normal and efficient operation of the converter valve has important significance on the safe operation of the whole direct-current transmission project; the valve cooling system is used as a necessary auxiliary system of the converter valve, and the purposes of energy conservation, environmental protection and high-efficiency cooling are achieved by accurately regulating and controlling the technical indexes of the temperature, the flow, the pressure, the water quality and the like of valve cold water, so that the safe, stable and reliable operation of the converter valve is ensured.
The once-through valve cooling system is generally divided into an internal cooling water circulation system and an external cooling circulation system. After heat exchange with the heating element is completed, the inner cooling water enters the cooling tower through the cooling valve and carries out secondary heat exchange with an outer cooling medium (spray water). As outdoor heat exchange equipment, the closed cooling tower is often high in spray water temperature and lower in cooling capacity than designed heat dissipation capacity in high-temperature environment in summer due to scaling or slightly low initial selection heat dissipation capacity and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies of the prior art and providing a spray water automatic control adjusting device suitable for cooling tower is used under high temperature environment.
The utility model discloses a realize through following technique:
an automatic control and regulation system for spray water of a cooling tower comprises: the cooling tower, a spray header and a spray water pool are arranged corresponding to the cooling tower; the spray head is connected with a spray water pool through a spray pipeline, a spray pump is arranged on the spray pipeline, water is pumped out of the spray water pool by the spray pump, and is conveyed to the spray head through the spray pipeline and sprayed on a coil pipe of the cooling tower; a water collecting tray is arranged at the bottom of the cooling tower, a three-way electromagnetic valve is arranged on the water collecting tray, one end of the three-way electromagnetic valve is connected with a recovery pipe, the recovery pipe is connected with the spraying water pool, and water in the water collecting tray can be sent back to the spraying water pool; the other end of the three-way electromagnetic valve is connected with a cooling pipe, and the cooling pipe is communicated with the cooling tank and can discharge water in the water collecting tray to the cooling tank; a first temperature switch is arranged on the three-way electromagnetic valve; a first temperature sensor is arranged in the water collecting tray, the first temperature sensor and the three-way electromagnetic valve are respectively and electrically connected with a first temperature switch, and the first temperature switch receives and transmits temperature information according to the first temperature sensor and then controls the three-way electromagnetic valve to act; when the temperature of the water in the water collecting tray is lower than a set temperature of the temperature switch, the water in the water collecting tray flows into the spraying water tank from the recovery pipe; when the temperature of the water in the water collecting tray reaches a set temperature of the temperature switch, the water in the water collecting tray flows into the cooling pool from the cooling pipe; the spray water tank is communicated with the cooling tank through a water supplementing pipe, a water supplementing pump is arranged on the water supplementing pipe, and the water supplementing pump conveys cold water in the cooling tank into the spray water tank, so that the influence on the heat dissipation of the cooling tower due to overhigh water temperature in the spray water tank is prevented; and a second temperature sensor is arranged in the spray water tank, a second temperature switch is arranged on the water replenishing pump, the second temperature sensor and the water replenishing pump are respectively electrically connected with the second temperature switch, and the second temperature switch controls the action of the water replenishing pump according to the information of the second temperature sensor.
The utility model has the advantages that: the utility model can effectively reduce the temperature of the inner cooling water in the cooling tower, and realize automatic control and adjustment through the matching use of the temperature sensor and the electromagnetic valve; and the cooling water can be recycled, and the cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference signs mean: 1. a cooling tower; 2. a shower head; 3. spraying a water tank; 4. a spray pipe; 5. a spray pump; 6. a water collection tray; 7. a three-way electromagnetic valve; 8. a recovery pipe; 9. a cooling tube; 10. a cooling pool; 11. a first temperature sensor; 12. a first temperature switch; 13. a water replenishing pipe; 14. a water replenishing pump; 15. a second temperature sensor; 16. and a second temperature switch.
Detailed Description
In order to make the technical solution, objects and advantages of the present invention more apparent, the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1, an automatic control and regulation system for spray water of a cooling tower comprises: the cooling tower 1, the spray header 2 and the spray water pool 3 are arranged corresponding to the cooling tower 1; the spray header 2 is communicated with a spray water tank 3 through a spray pipeline 4, a spray pump 3 is installed on the spray pipeline 4, water is pumped out of the spray water tank 3 by the spray pump 3 and is conveyed to the spray header 3 through the spray pipeline 4 to be sprayed on a coil pipe of the cooling tower 1; a water collecting tray 6 is arranged at the bottom of the cooling tower 1, a three-way electromagnetic valve 7 is arranged on the water collecting tray 6, one end of the three-way electromagnetic valve 7 is connected with a recovery pipe 8, the recovery pipe 8 is communicated with the spray water tank 3, and water in the water collecting tray 6 can be sent back to the spray water tank 3; the other end of the three-way electromagnetic valve 7 is connected with a cooling pipe 9, the cooling pipe 9 is communicated with a cooling pool 10, and water in the water collecting tray 6 can be discharged to the cooling pool 10; a first temperature switch 12 is arranged on the three-way electromagnetic valve 7; a first temperature sensor 11 is arranged in the water collecting tray 6, the first temperature sensor 11 and the three-way electromagnetic valve 7 are respectively electrically connected with a first temperature switch 12, and the first temperature switch 12 receives the transmitted temperature information according to the first temperature sensor 11 and then controls the three-way electromagnetic valve 7 to act to determine the flow direction of water in the water collecting tray 6; when the temperature of the water in the water collecting tray 6 is lower than the temperature set by the first temperature switch 12, the water in the water collecting tray 6 flows into the spraying water tank 3 from the recovery pipe 8; when the temperature of the water in the water collecting tray 6 reaches the temperature set by the first temperature switch 12, the water in the water collecting tray 6 flows into the cooling pool 10 from the cooling pipe 9; the spray water tank 3 is communicated with the cooling tank 10 through a water supplementing pipe 13, and a water supplementing pump 14 is arranged on the water supplementing pipe 13; a second temperature sensor 15 is arranged in the spraying water tank 3, a second temperature switch 16 is arranged on the water replenishing pump 14, and the second temperature sensor 15 and the water replenishing pump 14 are respectively electrically connected with the second temperature switch 16; the second temperature switch 16 controls the action of the water replenishing pump 14 according to the information of the temperature sensor 15, and the water replenishing pump 14 conveys cold water in the cooling pool 10 to the spray water pool 3, so that the influence of overhigh water temperature in the spray water pool 3 on the heat dissipation of the cooling tower 1 is prevented.
The above is only the preferred embodiment of the present invention, and to the technical personnel in the technical field, without departing from the present invention, the embodiment can still be modified, and the corresponding modification should also be regarded as the protection scope of the present invention.
Claims (4)
1. An automatic control and regulation system for spray water of a cooling tower comprises: the cooling tower, a spray header and a spray water pool are arranged corresponding to the cooling tower; the method is characterized in that: the spray head is connected with a spray water pool through a spray pipeline, and a spray pump is arranged on the spray pipeline; the cooling tower is provided with a water collecting tray, the water collecting tray is provided with an electromagnetic valve, one end of the electromagnetic valve is connected with a recovery pipe, and the recovery pipe is connected with a spraying water tank.
2. The cooling tower spray water automatic control and regulation system of claim 1, characterized in that: the electromagnetic valve is a three-way electromagnetic valve; the other end of the electromagnetic valve is connected with a cooling pipe, and the cooling pipe is connected with a cooling pool.
3. The cooling tower spray water automatic control and regulation system of claim 2, characterized in that: a first temperature switch is mounted on the electromagnetic valve; a first temperature sensor is arranged in the water collecting tray, and the first temperature sensor and the electromagnetic valve are electrically connected with a first temperature switch respectively.
4. The automatic control and regulation system of cooling tower spray water according to claim 1, 2 or 3, characterized in that: a temperature sensor II and a water replenishing pipe are arranged in the spraying water tank; the water replenishing pipe is communicated with the spraying water tank and the cooling tank; and a water replenishing pump is arranged on the water replenishing pipe, and the second temperature sensor is electrically connected with the water replenishing pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922154261.XU CN211903903U (en) | 2019-12-04 | 2019-12-04 | Automatic control and regulation system for spray water of cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922154261.XU CN211903903U (en) | 2019-12-04 | 2019-12-04 | Automatic control and regulation system for spray water of cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211903903U true CN211903903U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922154261.XU Active CN211903903U (en) | 2019-12-04 | 2019-12-04 | Automatic control and regulation system for spray water of cooling tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN211903903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061331A (en) * | 2021-11-30 | 2022-02-18 | 北方化学工业股份有限公司 | Device and method for recovering waste heat in nitrocotton boiling and washing process |
-
2019
- 2019-12-04 CN CN201922154261.XU patent/CN211903903U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061331A (en) * | 2021-11-30 | 2022-02-18 | 北方化学工业股份有限公司 | Device and method for recovering waste heat in nitrocotton boiling and washing process |
| CN114061331B (en) * | 2021-11-30 | 2023-09-15 | 北方化学工业股份有限公司 | Device and method for recovering waste heat in nitrocotton boiling and washing process |
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