CN220624525U - Constant pressure closed-circuit cooling water circulation system - Google Patents
Constant pressure closed-circuit cooling water circulation system Download PDFInfo
- Publication number
- CN220624525U CN220624525U CN202320881138.1U CN202320881138U CN220624525U CN 220624525 U CN220624525 U CN 220624525U CN 202320881138 U CN202320881138 U CN 202320881138U CN 220624525 U CN220624525 U CN 220624525U
- Authority
- CN
- China
- Prior art keywords
- water
- tank
- pressure
- surge tank
- closed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000498 cooling water Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 230000001502 supplementing effect Effects 0.000 claims abstract description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 10
- 238000011033 desalting Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model belongs to the field of industrial cooling water, and particularly relates to a constant-pressure closed-circuit cooling water circulation system; the normal production of the equipment can be ensured, and the effects of stabilizing the circulating water pressure and the flow are realized. The technical proposal comprises: the device comprises a circulation closed-circuit cooling device, a pressure stabilizing tank, a nitrogen tank and a water supplementing device. Wherein the bottom of the surge tank is communicated with the circulating closed-circuit cooling device. The nitrogen tank is communicated with the upper part of the pressure stabilizing tank, an air pressure regulating valve is arranged on a first pipeline between the nitrogen tank and the pressure stabilizing tank, and the air pressure regulating valve is configured to control the on or off of the first pipeline according to the air pressure in the pressure stabilizing tank. And the water supplementing device is communicated with the surge tank and is configured to start water supplementing or stop water supplementing for the surge tank according to the water quantity in the surge tank.
Description
Technical Field
The utility model belongs to the field of industrial cooling water, and particularly relates to a constant-pressure closed-circuit cooling water circulation system.
Background
Along with the development of society, the economy is continuously transformed, the circular economy, the energy-saving and environment-friendly economy becomes a new direction of the current new development of the society economy, along with the rapid development of the economy, the energy crisis becomes a bottleneck of the social development, the water resource is lack of China, the water resource is increasingly tense, the traditional circulating water cooling mode is changed for reducing the water consumption, and the increasing and the consumption of circulating cooling water become the development trend and direction.
The steel industry in China is a large household of water consumption, industrial cooling water is a large household of main water consumption, and a circulating water system is a main way of industrial water. At present, the circulating water system can cause the reduction of the circulating water quantity due to the problems of leakage, evaporation and the like, and if the circulating water cannot be timely supplemented, the conditions of insufficient cooling temperature, overhigh equipment temperature and equipment damage can be caused.
Disclosure of Invention
In order to overcome the defects in the related art, the utility model provides a constant-pressure closed-circuit cooling water circulation system, which can ensure normal production of equipment and realize the effects of stabilizing the pressure and flow of circulating water.
In order to achieve the technical purpose, the utility model provides a constant-pressure closed-circuit cooling water circulation system. The constant-pressure closed-circuit cooling water circulation system comprises: the device comprises a circulation closed-circuit cooling device, a pressure stabilizing tank, a nitrogen tank and a water supplementing device. Wherein the bottom of the surge tank is communicated with the circulating closed-circuit cooling device. The nitrogen tank is communicated with the upper part of the pressure stabilizing tank, an air pressure regulating valve is arranged on a first pipeline between the nitrogen tank and the pressure stabilizing tank, and the air pressure regulating valve is configured to control the on or off of the first pipeline according to the air pressure in the pressure stabilizing tank. And the water supplementing device is communicated with the surge tank and is configured to start water supplementing or stop water supplementing for the surge tank according to the water quantity in the surge tank.
Preferably, the surge tank further comprises a liquid level sensor configured to detect a liquid level height inside the surge tank. The constant-pressure closed-circuit cooling water circulation system also comprises a controller. The controller is electrically connected with the air pressure regulating valve, the liquid level sensor and the water supplementing device.
Preferably, the circulating closed-circuit cooling device comprises: heat exchange module, working pump, cooler and filter. The cooler, the heat exchange module, the filter and the cooler are sequentially communicated, and the second pipeline communicated with the water supply pump and the cooler is also communicated with the bottom of the pressure stabilizing tank.
Preferably, the water supplementing device comprises a desalting water tank and a water supplementing pump; the demineralized water tank, the water supplementing pump and the surge tank are sequentially communicated.
Preferably, the water replenishing device comprises a plurality of water replenishing pumps, each water replenishing pump is communicated with the desalting water tank and the pressure stabilizing tank, and a water replenishing electric valve is arranged on a pipeline between the water replenishing pumps and the pressure stabilizing tank. And a check valve is arranged on a pipeline between the surge tank and the water supplementing electric valve.
Preferably, a gas pressure sensor is further arranged in the surge tank, the gas pressure sensor is fixed on the upper portion of the surge tank, and the gas pressure sensor is electrically connected with the controller.
The utility model has the beneficial effects that:
the first, the utility model adopts the pressure stabilizing tank and the nitrogen tank, when the circulation closed-circuit cooling device has the circulation water quantity reduced, the circulation water can be supplemented in time, and meanwhile, the internal pressure of the circulation closed-circuit cooling device is kept, so that the normal operation of the circulation closed-circuit cooling device is ensured.
Secondly, the water supplementing device is adopted, so that water can be supplemented for the surge tank, and the normal operation of the whole system is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a block diagram of the surge tank of the present utility model;
FIG. 3 is a block diagram of the closed loop cooling apparatus of the present utility model;
fig. 4 is a structural view of the water replenishing device of the present utility model.
Detailed Description
In order to make the above objects, features and advantages of the present utility model more comprehensible, the following description of the embodiments accompanied with the accompanying drawings will be given in detail. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1 and 2, some embodiments of the present utility model provide a constant pressure closed-circuit cooling water circulation system. The constant-pressure closed-circuit cooling water circulation system comprises: the device comprises a circulation closed-circuit cooling device 1, a surge tank 2, a nitrogen tank 3 and a water supplementing device 4. Wherein the bottom of the surge tank 2 is communicated with the circulating closed-circuit cooling device 1. The nitrogen tank 3 is communicated with the upper part of the surge tank 2, and a pressure regulating valve is arranged on a first pipeline 5 between the nitrogen tank 3 and the surge tank 2, and the pressure regulating valve is configured to control the on or off of the first pipeline 5 according to the pressure in the surge tank 2. And the water supplementing device 4 is communicated with the surge tank 2, and the water supplementing device 4 is configured to start water supplementing or stop water supplementing to the surge tank 2 according to the water quantity in the surge tank 2.
The surge tank 2 further comprises a liquid level sensor 21, the liquid level sensor 21 being configured to detect the liquid level inside the surge tank 2. The constant-pressure closed-circuit cooling water circulation system also comprises a controller. The controller is electrically connected with the air pressure regulating valve, the liquid level sensor 21 and the water supplementing device 4.
Illustratively, the return water pressure of the circulation closed circuit cooling device 1 may be 0.75Mpa, correspondingly, the lower portion of the surge tank 2 stores circulating water to be replenished, the upper portion is nitrogen, and the internal air pressure of the surge tank 2 may be 0.22Mpa. After leakage or evaporation occurs in the circulation closed-circuit cooling device 1, the circulating water to be supplemented in the surge tank 2 is naturally supplemented into the circulation closed-circuit cooling device 1. Correspondingly, the volume of the gas in the surge tank 2 is enlarged, the air pressure is reduced, the air pressure regulating valve controls the first pipeline 5 to be conducted, the air is rapidly supplemented into the surge tank 2 until the air pressure in the surge tank 2 is stable, for example, the pressure reaches 0.22Mpa again, the constant pressure in the circulating closed circuit cooling device 1 is ensured, and then the sufficient circulating water quantity is ensured.
The pressure stabilizing tank 2 is also provided with a liquid level sensor 21, when the circulating water to be replenished in the pressure stabilizing tank 2 is gradually replenished to the circulating closed-circuit cooling device 1, the water quantity in the pressure stabilizing tank 2 is reduced, and the water replenishing device 4 needs to replenish water in the pressure stabilizing tank 2.
For example, when the liquid level of the surge tank 2 is lower than 1.8 meters, the water replenishing device 4 starts replenishing the surge tank 2 with water.
When the liquid level of the surge tank 2 is higher than 2.0 m, the water replenishing device 4 stops replenishing water.
It should be understood that the bottom of the surge tank 2 should also be provided with a drain pipe, and when the water supply is too large, for example, the liquid level of the surge tank 2 is higher than 2.5 meters, the drain pipe is turned on until the liquid level of the surge tank 2 reaches 2.2 meters, and the drain pipe is turned off.
The controller may be a PID controller.
In some embodiments, as shown in fig. 3, the circulating closed circuit cooling apparatus 1 includes: a heat exchange module 11, a water supply pump 12, a cooler 13 and a filter 14. The cooler 13, the heat exchange module 11, the filter 14 and the cooler 13 are sequentially communicated, and the second pipeline 6 for communicating the water supply pump 12 and the cooler 13 is also communicated with the bottom of the surge tank 2.
Illustratively, the heat exchange module 11 may be a heat exchanger of a steelmaking crystallizer, a plurality of water supply pumps 12 may be provided according to requirements, a plurality of water supply pumps 12 may be provided in parallel, for example, three water supply pumps 12 may be provided in parallel, and the operation may be performed in a dual-purpose one-standby (two water supply pumps 12 operate, and one water supply pump 12 is standby) mode. In order to ensure the internal pressure of the closed cycle cooling device 1 to be stable, the closed cycle cooling device 1 may further include an electric valve 15, wherein the electric valve 15 is disposed on a pipeline connected to the water inlet of each water supply pump 12, and a mode of starting the water supply pump 12, opening the electric valve 15, and stopping the water supply pump 12 after closing the electric valve 15 is adopted.
In some embodiments, the water replenishment device 4 comprises a brine removal basin 41 and a water replenishment pump 42; the demineralized water tank 41, the water supplementing pump 42 and the surge tank 2 are sequentially communicated.
In some embodiments, as shown in fig. 4, the water replenishing device 4 includes a plurality of water replenishing pumps 42, each water replenishing pump 42 is communicated with the demineralized water tank 41 and the surge tank 2, and a water replenishing valve 43 is disposed on a pipeline between the water replenishing pump 42 and the surge tank 2. A check valve 44 is arranged on the pipeline between the surge tank 2 and the water supplementing valve 43.
Illustratively, there may be two water replenishment pumps 42, and the water replenishment pumps 42 may be controlled to be started and stopped according to the level of the liquid in the surge tank 2, for example, when the liquid level in the surge tank 2 is lower than 1.7 m, the second water replenishment pump 42 is started to operate.
In some embodiments, as shown in fig. 2, a gas pressure sensor 22 is further disposed in the surge tank 2, the gas pressure sensor 22 is fixed on the upper portion of the surge tank 2, and the gas pressure sensor 22 is electrically connected to the controller.
In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (6)
1. A constant pressure closed-circuit cooling water circulation system, comprising:
a circulating closed-circuit cooling device;
the bottom of the pressure stabilizing tank is communicated with the circulating closed-circuit cooling device;
the nitrogen tank is communicated with the upper part of the pressure stabilizing tank, and a first pipeline between the nitrogen tank and the pressure stabilizing tank is provided with a pressure regulating valve which is configured to control the on or off of the first pipeline according to the pressure in the pressure stabilizing tank;
and the water supplementing device is communicated with the surge tank and is configured to start water supplementing or stop water supplementing for the surge tank according to the water quantity in the surge tank.
2. The constant pressure closed circuit cooling water circulation system according to claim 1, wherein the surge tank further comprises a liquid level sensor configured to detect a liquid level height inside the surge tank;
the constant-pressure closed-circuit cooling water circulation system also comprises a controller;
the controller is electrically connected with the air pressure regulating valve, the liquid level sensor and the water supplementing device.
3. The constant pressure closed circuit cooling water circulation system according to claim 1, wherein the closed circuit cooling device comprises: the device comprises a heat exchange module, a water supply pump, a cooler and a filter;
the cooler, the heat exchange module, the filter and the cooler are sequentially communicated, and the second pipeline communicated with the water supply pump and the cooler is also communicated with the bottom of the pressure stabilizing tank.
4. The constant pressure closed cooling water circulation system according to claim 1, wherein the water replenishing device comprises a desalting water tank and a water replenishing pump; the demineralized water tank, the water supplementing pump and the surge tank are sequentially communicated.
5. The constant-pressure closed-circuit cooling water circulation system according to claim 4, wherein the water replenishing device comprises a plurality of water replenishing pumps, each water replenishing pump is communicated with the desalting water tank and the pressure stabilizing tank, and an electric valve is arranged on a pipeline between the water replenishing pump and the pressure stabilizing tank;
and a check valve is arranged on a pipeline between the surge tank and the electric valve.
6. The constant-pressure closed-circuit cooling water circulation system according to claim 2, wherein a gas pressure sensor is further arranged in the surge tank, the gas pressure sensor is fixed on the upper portion of the surge tank, and the gas pressure sensor is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320881138.1U CN220624525U (en) | 2023-04-19 | 2023-04-19 | Constant pressure closed-circuit cooling water circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320881138.1U CN220624525U (en) | 2023-04-19 | 2023-04-19 | Constant pressure closed-circuit cooling water circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220624525U true CN220624525U (en) | 2024-03-19 |
Family
ID=90224918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320881138.1U Active CN220624525U (en) | 2023-04-19 | 2023-04-19 | Constant pressure closed-circuit cooling water circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220624525U (en) |
-
2023
- 2023-04-19 CN CN202320881138.1U patent/CN220624525U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212677604U (en) | Liquid cooling heat exchange unit and liquid cooling heat exchange system of server | |
| CN113390221A (en) | Cooling liquid circulating refrigeration control system and method | |
| CN217591420U (en) | Immersed liquid cooling system for server | |
| CN215447035U (en) | Cooling liquid circulation refrigeration control system | |
| CN220624525U (en) | Constant pressure closed-circuit cooling water circulation system | |
| CN212133038U (en) | Process cooling water system for battery workshop | |
| CN103390771A (en) | Battery electrolyte blending system | |
| CN216039850U (en) | Water electrolysis hydrogen production system adopting external circulation evaporation cooling full immersion | |
| CN211079391U (en) | Temperature control device for adjusting temperature in electroplating bath | |
| CN210486203U (en) | Water cooling system | |
| CN212135357U (en) | Data center liquid cooling device | |
| CN211451530U (en) | Water cooling system | |
| CN202054818U (en) | Softened water circulating system of air compressors in beer production technology | |
| CN107192185A (en) | Hydraulic agitation device and ice machine in Ice Storage Tank | |
| CN203398231U (en) | Battery electrolyte preparation system | |
| WO2020015372A1 (en) | Compressed air cooling device and method for silk weaving machine | |
| CN113737209A (en) | Water electrolysis hydrogen production system adopting external circulation evaporation cooling full immersion and use method | |
| CN112556303A (en) | Cooling water circulation system | |
| CN213064078U (en) | Pump machine seals cooling water circulating device | |
| CN216953718U (en) | Cooling circulating water system for public workshop section | |
| CN218735722U (en) | Cooling system for converter valve | |
| CN221326502U (en) | Circulating liquid water quality monitoring device of semiconductor temperature control equipment | |
| CN213208336U (en) | Energy-saving mould cooling water temperature control device | |
| CN219572322U (en) | High-precision small-sized refrigerating device | |
| CN221228098U (en) | Cooling water shortage prevention protection device of rectifier for electrolytic copper foil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |