CN216977593U - Anti-freezing device of closed cooling tower - Google Patents
Anti-freezing device of closed cooling tower Download PDFInfo
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- CN216977593U CN216977593U CN202220437396.6U CN202220437396U CN216977593U CN 216977593 U CN216977593 U CN 216977593U CN 202220437396 U CN202220437396 U CN 202220437396U CN 216977593 U CN216977593 U CN 216977593U
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- cooling tower
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Abstract
The utility model discloses a closed cooling tower anti-freezing device, which relates to the technical field of cooling towers.A pipeline is communicated between a water inlet pipe and a water outlet pipe of a cooling tower, a water pump and a water tank are arranged on the pipeline, and an electric heater is arranged in the water tank; two ends of the pipeline are provided with second valves; the port department of inlet tube and outlet pipe is provided with first valve. The utility model is used for preventing freezing of the closed cooling tower in winter in northern cold areas, and can solve the problem of pipeline breakage caused by freezing of circulating water of the cooling tower due to low temperature in winter.
Description
Technical Field
The utility model relates to the technical field of cooling towers, in particular to a closed cooling tower anti-freezing device.
Background
The utility model is used for preventing freezing of the closed cooling tower in winter in northern cold areas. In northern cold areas, when the closed cooling tower runs discontinuously in winter or is in a shutdown state and cooling water in the cooling coil is lower than zero, the water in the coil freezes and expands, so that the cooling coil is broken. The existing closed cooling tower is antifreezing by adding a certain proportion of antifreeze (ethylene glycol) into the cooling coil, the antifreeze has very high cost, the cooling effect is reduced, and the heat exchange requirement cannot be met. Especially, the intermittent operation in winter is very inconvenient.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides an anti-freezing device for a closed cooling tower, which is used for preventing freezing of the closed cooling tower in winter in northern cold regions and can solve the problem of pipeline breakage caused by freezing of circulating water of the cooling tower due to low temperature in winter.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a pipeline is communicated between a water inlet pipe and a water outlet pipe of a cooling tower, a water pump and a water tank are arranged on the pipeline, and an electric heater is arranged in the water tank; two ends of the pipeline are provided with second valves; the port department of inlet tube and outlet pipe is provided with first valve.
As a further improvement of the above technical solution: the first valve is a butterfly valve.
As a further improvement of the above technical solution: the pipeline is wrapped with a heat insulation layer.
As a further improvement of the above technical solution: and a temperature sensor is arranged in the water tank.
As a further improvement of the above technical solution: the water pump and the water tank are connected to the base together.
As a further improvement of the above technical solution: the first valve and the second valve are both electrically operated valves.
Compared with the prior art, the utility model has the beneficial effects that:
1. the scheme has low cost, convenient use and convenient maintenance.
2. The anti-freezing problem of the closed cooling tower during operation in the north in winter is solved.
Drawings
FIG. 1 is a schematic view of a circulating pipeline structure of a cooling tower.
Fig. 2 is a schematic view of the installation position of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
In the figure: 1. a water inlet pipe; 2. a water outlet pipe; 3. a first valve; 4. a pipeline; 5. a second valve; 6. a water pump; 7. a water tank; 8. an electric heater.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
Referring to fig. 1 to 3, in a specific embodiment, a pipeline 4 is communicated between a water inlet pipe 1 and a water outlet pipe 2 of a cooling tower, a water pump 6 and a water tank 7 are arranged on the pipeline 4, and an electric heater 8 is installed in the water tank 7; two ends of the pipeline 4 are provided with second valves 5; the port department of inlet tube 1 and outlet pipe 2 is provided with first valve 3.
Wherein, the water tank 7 is cylindrical, and two ends of the water tank are respectively communicated with the pipeline 4; two ends of the pipeline 4 are communicated with the water inlet pipe 1 or the water outlet pipe 2 through a tee; the second valves 5 arranged on the two ends of the pipeline 4 are used for controlling the connection and disconnection between the pipeline 4 and the water inlet pipe 1 or the water outlet pipe 2; the first valve 3 is used for controlling the on-off of the water inlet pipe 1 and the water outlet pipe 2 and a cooling water source in external equipment.
In order to improve the operation convenience and the control rapidity, the following optimization is further performed on the basis of the embodiment: the first valve 3 is a butterfly valve.
In order to increase the heating speed of the circulating water in the pipeline 4, the method is further optimized on the basis of the embodiment: and the pipeline 4 is wrapped with a heat-insulating layer.
In order to realize the automatic induction temperature control, the following optimization is further performed on the basis of the embodiment: and a temperature sensor is arranged in the water tank 7.
In order to improve the structural stability of the device, the device is further optimized on the basis of the embodiment as follows: and the water pump 6 and the water tank 7 are connected to the base together. The base can be fixedly connected with the frame of the cooling tower and can also be independently installed on the ground.
In order to realize automatic control, the following optimization is further performed on the basis of the embodiment: the first valve 3 and the second valve 5 are both electrically operated valves.
The utility model has the specific working principle that:
the utility model installs the first valve 3 on the end of the water inlet pipe 1 and the water outlet pipe 2; and a pipeline 4, a second valve 5, a water pump 6, a water tank 7 and an electric heater 8 are additionally arranged between the water inlet pipe 1 and the water outlet pipe 2, so that a closed loop is formed by connection. When the machine is shut down in winter, the first valve 3 is directly closed, the second valve 5 is opened, the water pump 6 is started, when the temperature of cooling water is lower than 8 ℃, the electric heater 8 is started to heat the cooling water of the whole cooling coil, and when the temperature of the cooling water is higher than 10 ℃, the electric heating is stopped. The cooling water was kept at a temperature of 8 to 10 c.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations to the utility model using its teachings or may be learned by practice of the utility model.
Claims (6)
1. A closed type cooling tower anti-freezing device is characterized in that a pipeline (4) is communicated between a water inlet pipe (1) and a water outlet pipe (2) of a cooling tower, a water pump (6) and a water tank (7) are arranged on the pipeline (4), and an electric heater (8) is arranged in the water tank (7); two ends of the pipeline (4) are provided with second valves (5); the port department of inlet tube (1) and outlet pipe (2) is provided with first valve (3).
2. A closed cooling tower antifreeze apparatus according to claim 1 wherein said first valve (3) is a butterfly valve.
3. A closed cooling tower antifreeze apparatus according to claim 1 wherein said conduit (4) is coated with insulation.
4. A closed cooling tower antifreeze apparatus according to claim 1 wherein said water tank (7) has a temperature sensor disposed therein.
5. A closed cooling tower de-icing arrangement according to claim 1, characterised in that the water pump (6) and the water tank (7) are jointly connected to the machine base.
6. A closed cooling tower de-icing arrangement according to claim 1, characterised in that the first valve (3) and the second valve (5) are both electrically operated valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220437396.6U CN216977593U (en) | 2022-03-02 | 2022-03-02 | Anti-freezing device of closed cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220437396.6U CN216977593U (en) | 2022-03-02 | 2022-03-02 | Anti-freezing device of closed cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216977593U true CN216977593U (en) | 2022-07-15 |
Family
ID=82356706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220437396.6U Active CN216977593U (en) | 2022-03-02 | 2022-03-02 | Anti-freezing device of closed cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216977593U (en) |
-
2022
- 2022-03-02 CN CN202220437396.6U patent/CN216977593U/en active Active
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