CN211120724U - Cooling water circulation equipment with closed cooling tower freeze-proof device - Google Patents
Cooling water circulation equipment with closed cooling tower freeze-proof device Download PDFInfo
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- CN211120724U CN211120724U CN201921325223.XU CN201921325223U CN211120724U CN 211120724 U CN211120724 U CN 211120724U CN 201921325223 U CN201921325223 U CN 201921325223U CN 211120724 U CN211120724 U CN 211120724U
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Abstract
The utility model discloses a cooling water circulation device with a closed cooling tower anti-freezing device, which comprises a closed cooling tower, wherein a water inlet pipe is arranged at the water inlet end of the closed cooling tower, and a water outlet pipe is arranged at the water outlet end; a first valve, a temperature sensor and a water pump are sequentially arranged on the water inlet pipe in the direction far away from the closed cooling tower; a second valve is arranged at one end of the water outlet pipe close to the closed cooling tower; the water inlet pipe is communicated with the water outlet pipe through a bypass pipe; the connecting point of the bypass pipe and the water inlet pipe is positioned at one end of the first valve far away from the closed cooling tower, and the connecting point of the bypass pipe and the water outlet pipe is positioned at one end of the second valve far away from the closed cooling tower. The utility model discloses a set up compressed air source and bypass pipe to combine temperature sensor and valve, can be according to the height control inflow flow direction bypass pipe or closed cooling tower of the temperature of intaking, can blow the water in the inside pipeline of closed cooling tower clean again, reach energy-concerving and environment-protective, prevent the effect that closed cooling tower damaged.
Description
Technical Field
The utility model relates to a cooling water circulation technical field, in particular to cooling water circulation equipment with closed cooling tower freeze-proof device.
Background
At present, when the environmental temperature is lower, the closed cooling tower stops running, however, accumulated water staying in an internal pipeline of the closed cooling tower is easy to freeze and expand; and long-term ponding of internal pipe easily makes the production corruption, causes the internal pipe damage of closed cooling tower, and unable normal work seriously influences the life of closed cooling tower.
In addition, among the prior art, cooling water circulating equipment can not judge whether cooling water needs to carry out the heat transfer through closed cooling tower according to the cooling water temperature of intaking, but no matter the cooling water temperature height, all circulates through closed cooling tower, causes the wasting of resources, increases the maintenance cost.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a cooling water circulation equipment with closed cooling tower freeze-proof device, through setting up compressed air source and bypass pipe to combine the combined action of temperature sensor and valve, can control the inflow according to the height of the temperature of intaking and flow to bypass pipe or closed cooling tower, can blow the water in the inside pipeline of closed cooling tower clean again, reach energy-concerving and environment-protective, prevent that closed cooling tower from freezing the effect of damaging because of the low temperature.
The technical scheme of the utility model is that:
A cooling water circulation device with a closed cooling tower anti-freezing device comprises a closed cooling tower and is characterized in that a water inlet pipe is arranged at the water inlet end of the closed cooling tower, and a water outlet pipe is arranged at the water outlet end of the closed cooling tower; a first valve, a temperature sensor and a water pump are sequentially arranged on the water inlet pipe in the direction far away from the closed cooling tower; a second valve is arranged at one end of the water outlet pipe close to the closed cooling tower;
The water inlet pipe is communicated with the water outlet pipe through a bypass pipe, and a connection point of the bypass pipe and the water inlet pipe is positioned at one end of the first valve, which is far away from the closed cooling tower; the connection point of the bypass pipe and the water outlet pipe is positioned at one end of the second valve far away from the closed cooling tower; and a third valve is arranged on the bypass pipe and used for controlling the on-off of the bypass pipe.
A communicated air inlet pipe is arranged on the water inlet pipe between the first valve and the closed cooling tower and is communicated with a compressed air source, and a fourth valve is arranged on the air inlet pipe;
And a drain pipe is arranged between the closed cooling tower and the second valve, and a fifth valve is arranged on the drain pipe.
Preferably, one end of the water inlet pipe is communicated with the water tank, and the water tank is communicated with the equipment to be cooled through a water return pipe.
Preferably, a water treatment device is arranged on a water return pipe between the equipment to be cooled and the water tank.
Preferably, the water treatment device is an electrochemical treatment device.
Preferably, the water outlet end of the water outlet pipe is communicated with a water treatment device.
Preferably, the first valve, the second valve, the third valve, the fourth valve and the fifth valve are solenoid valves.
Preferably, the fourth valve can be intermittently switched on and off under the control of the control system, so that compressed air in the compressed air source intermittently blows air to the inner pipeline of the closed cooling tower through the air inlet pipe.
Compared with the prior art, the beneficial effects of the utility model reside in that:
The utility model provides a cooling water circulating equipment with closed cooling tower freeze-proof device, through setting up compressed air source and bypass pipe to combine the combined action of temperature sensor and valve, can be according to the height control inflow flow direction bypass pipe or closed cooling tower of the temperature of intaking, can blow off the water in the inside pipeline of closed cooling tower clean again, reach energy-concerving and environment-protective, prevent that closed cooling tower from freezing the effect of damaging because of the low temperature.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of the control system of the present invention;
Description of reference numerals:
The system comprises a closed cooling tower 1, a water pump 2, a water tank 3, a device to be cooled 4, a first valve 5, a second valve 6, a third valve 7, a fourth valve 8, a fifth valve 9, a compressed air source 10, a temperature sensor 11, a water inlet pipe 12, a water outlet pipe 13, a water outlet pipe 14, an air inlet pipe 15, a water return pipe 16, a bypass pipe 17, a water treatment device 18 and a control system 19;
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
As shown in fig. 1 and 2, a cooling water circulation device with a closed cooling tower anti-freezing device comprises a closed cooling tower 1, and is characterized in that a water inlet pipe 12 is arranged at a water inlet end of the closed cooling tower 1, and a water outlet pipe 13 is arranged at a water outlet end; a first valve 5, a temperature sensor 11 and a water pump 2 are sequentially arranged on the water inlet pipe 12 in the direction far away from the closed cooling tower 1; and a second valve 6 is arranged at one end of the water outlet pipe 13 close to the closed cooling tower 1.
The water inlet pipe 12 is communicated with the water outlet pipe 13 through a bypass pipe 17, and a connection point of the bypass pipe 17 and the water inlet pipe 12 is positioned at one end of the first valve 5 far away from the closed cooling tower 1; the connection point of the bypass pipe 17 and the water outlet pipe 13 is positioned at one end of the second valve 6 far away from the closed cooling tower 1; and a third valve 7 is arranged on the bypass pipe 17, and the third valve 7 is used for controlling the on-off of the bypass pipe 17.
The water pump 2 is used for pumping cooling water in the water tank 3 to the device 4 to be cooled through the water inlet pipe 12, the closed cooling tower 1 or the bypass pipe 17 and the water outlet pipe 13, the temperature sensor 11 is used for monitoring the temperature of the water in the water inlet pipe 12, the first valve 5 is used for controlling the on-off of the water inlet end of the closed cooling tower 1, and the second valve 6 is used for controlling the on-off of the water outlet pipe 13.
A communicated air inlet pipe 15 is arranged on an air inlet pipe 12 between the first valve 5 and the closed cooling tower 1, the air inlet pipe 15 is communicated with a compressed air source 10, and a fourth valve 8 is arranged on the air inlet pipe 15;
A water outlet pipe 13 between the closed cooling tower 1 and the second valve 6 is provided with a water outlet pipe 14, and the water outlet pipe 14 is provided with a fifth valve 9.
The air inlet pipe 15 is used for guiding compressed air in the compressed air source 10 into the closed cooling tower 1, and the fourth valve is used for controlling the on-off of the air inlet pipe 15; the drain pipe 14 is used for discharging cooling water in the closed cooling tower 1, and the fifth valve 9 is used for controlling the on-off of the drain pipe 14.
In this embodiment, when the temperature sensor 11 detects that the temperature of the cooling water in the water inlet pipe 12 is higher than 10 ℃, the closed cooling tower 1 is in an operating state, at this time, the first valve 5 and the second valve 6 are opened, the third valve 7, the fourth valve 8 and the fifth valve 9 are closed, the cooling water flows from the water inlet pipe 12 to the closed cooling tower 1, and flows to the water outlet pipe 13 after being cooled by the closed cooling tower 1, so that the cooling water is cooled.
When the temperature sensor 11 detects that the temperature of the cooling water in the water inlet pipe 12 is lower than 10 ℃, the closed cooling tower 1 stops running, at the moment, the first valve 5 and the second valve 6 are closed, the third valve 7 is opened, and the cooling water flows to the water outlet pipe 13 (bypasses the closed cooling tower 1) from the bypass pipe 17, so that the effect of reducing the loss is achieved; meanwhile, the fourth valve 8 and the fifth valve 9 are opened, compressed air in the compressed air source 10 blows air to the pipeline inside the closed cooling tower 1 through the air inlet pipe 15, accumulated water in the closed cooling tower 1 is forcibly discharged through the water discharge pipe 14 under the action of the compressed air, and the phenomenon that the accumulated water in the closed cooling tower 1 freezes and expands after the air temperature is reduced to zero degree, so that the internal pipeline of the closed cooling tower 1 is damaged is avoided.
In conclusion, through setting up compressed air source 10 and bypass pipe 17 to combine the combined action of temperature sensor 11 and valve, can control according to the temperature of intaking water and intake to flow to bypass pipe 17 or closed cooling tower 1, can blow clean the water in the closed cooling tower 1 internal pipeline again, reach energy-concerving and environment-protective, prevent that closed cooling tower 1 from freezing the effect of damaging because of the low temperature again.
Further, one end of the water inlet pipe 12 is communicated with the water tank 3, and the water tank 3 is communicated with the equipment to be cooled 4 through a water return pipe 16; the water tank 3 is used for storing cooling water and ensuring the stability of cooling water supply, and the equipment to be cooled 4 can be equipment needing cooling water cooling, such as a die-casting die, an air conditioner and the like.
Further, a water treatment device 18 is arranged on the water return pipe 16 between the device to be cooled 4 and the water tank 3, and the water treatment device 18 can purify cooling water to avoid blockage of a pipeline.
Further, the water treatment device 18 is an electrochemical treatment device.
Furthermore, the water outlet end of the water outlet pipe 14 is communicated with the water treatment device 18, so that the cooling water blown out from the closed cooling tower 1 flows back to the water tank 3 through the water treatment device 18, thereby saving energy and protecting environment, and ensuring the quality of the cooling water in the water tank 3.
Further, the first valve 5, the second valve 6, the third valve 7, the fourth valve 8 and the fifth valve 9 are electromagnetic valves; the electromagnetic valve is connected with the control system 19, so that automatic control can be realized, and safety and convenience are realized.
Furthermore, the fourth valve 8 can be intermittently switched on and off under the control of the control system 19, so that compressed air in the compressed air source 10 is intermittently blown into the inner pipeline of the closed cooling tower 1 through the air inlet pipe 15, thereby discharging residual cooling water in the closed cooling tower 1 more thoroughly and keeping the inner pipeline of the closed cooling tower 1 dry. And the corrosion of the internal pipeline of the closed cooling tower 1 caused by the residual cooling water when the closed cooling tower 1 is not used for a long time is prevented.
In this embodiment, the interval time of the intermittent on-off blowing is set as: the closed cooling tower 1 is switched on and off to blow once every 1-5 minutes after stopping running, is switched on and blown once every 5-30 minutes after lasting for 30 minutes, and is switched on and blown once every 1-4 hours after lasting for 4 hours. In other embodiments, different intervals may be set according to the pressure of the compressed air source 10, the specification and the operating condition of the closed cooling tower 1.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the principle of the present invention, and these modifications and variations are also considered as the protection scope of the present invention.
Claims (7)
1. The cooling water circulation equipment with the closed cooling tower anti-freezing device comprises a closed cooling tower (1), and is characterized in that a water inlet pipe (12) is arranged at the water inlet end of the closed cooling tower (1), and a water outlet pipe (13) is arranged at the water outlet end; a first valve (5), a temperature sensor (11) and a water pump (2) are sequentially arranged on the water inlet pipe (12) in the direction far away from the closed cooling tower (1); a second valve (6) is arranged at one end of the water outlet pipe (13) close to the closed cooling tower (1);
The water inlet pipe (12) is communicated with the water outlet pipe (13) through a bypass pipe (17), and a connection point of the bypass pipe (17) and the water inlet pipe (12) is positioned at one end, far away from the closed cooling tower (1), of the first valve (5); the connection point of the bypass pipe (17) and the water outlet pipe (13) is positioned at one end of the second valve (6) far away from the closed cooling tower (1); a third valve (7) is arranged on the bypass pipe (17), and the third valve (7) is used for controlling the on-off of the bypass pipe (17);
A communicated air inlet pipe (15) is arranged on the water inlet pipe (12) between the first valve (5) and the closed cooling tower (1), the air inlet pipe (15) is communicated with a compressed air source (10), and a fourth valve (8) is arranged on the air inlet pipe (15);
A drain pipe (14) is arranged between the closed cooling tower (1) and the second valve (6), and a fifth valve (9) is arranged on the drain pipe (14).
2. Cooling water circulation equipment with closed cooling tower antifreeze apparatus according to claim 1, characterized in that one end of the inlet pipe (12) is connected to the water tank (3), and the water tank (3) is connected to the equipment (4) to be cooled via the return pipe (16).
3. The cooling water circulation apparatus with a closed cooling tower antifreeze apparatus according to claim 2, characterized in that the return pipe (16) is provided with a water treatment device (18).
4. The cooling water circulation apparatus with a closed cooling tower antifreeze apparatus according to claim 3, wherein said water treatment device (18) is an electrochemical treatment device.
5. The cooling water circulation apparatus with a closed cooling tower antifreeze apparatus according to claim 1, wherein a drain end of the drain pipe (14) communicates with a water treatment device (18).
6. The cooling water circulation apparatus with a closed cooling tower antifreeze apparatus according to claim 1, wherein the first valve (5), the second valve (6), the third valve (7), the fourth valve (8), and the fifth valve (9) are solenoid valves.
7. The cooling water circulation equipment with the closed cooling tower anti-freezing device is characterized in that the fourth valve (8) can be intermittently switched on and off under the control of the control system (19), so that compressed air in the compressed air source (10) intermittently blows air to the internal pipeline of the closed cooling tower (1) through the air inlet pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921325223.XU CN211120724U (en) | 2019-08-15 | 2019-08-15 | Cooling water circulation equipment with closed cooling tower freeze-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921325223.XU CN211120724U (en) | 2019-08-15 | 2019-08-15 | Cooling water circulation equipment with closed cooling tower freeze-proof device |
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| Publication Number | Publication Date |
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| CN211120724U true CN211120724U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921325223.XU Active CN211120724U (en) | 2019-08-15 | 2019-08-15 | Cooling water circulation equipment with closed cooling tower freeze-proof device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483580A (en) * | 2021-07-15 | 2021-10-08 | 安徽江淮汽车集团股份有限公司 | Anti-freezing system and anti-freezing method for closed cooling tower |
| CN114018071A (en) * | 2021-12-02 | 2022-02-08 | 安徽江淮汽车集团股份有限公司 | Anti-freezing device of closed cooling tower |
-
2019
- 2019-08-15 CN CN201921325223.XU patent/CN211120724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483580A (en) * | 2021-07-15 | 2021-10-08 | 安徽江淮汽车集团股份有限公司 | Anti-freezing system and anti-freezing method for closed cooling tower |
| CN114018071A (en) * | 2021-12-02 | 2022-02-08 | 安徽江淮汽车集团股份有限公司 | Anti-freezing device of closed cooling tower |
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