CN220895614U - Liquid storage tank for energy storage water chilling unit and cooling unit - Google Patents
Liquid storage tank for energy storage water chilling unit and cooling unit Download PDFInfo
- Publication number
- CN220895614U CN220895614U CN202322415704.2U CN202322415704U CN220895614U CN 220895614 U CN220895614 U CN 220895614U CN 202322415704 U CN202322415704 U CN 202322415704U CN 220895614 U CN220895614 U CN 220895614U
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- China
- Prior art keywords
- liquid
- tank body
- tank
- energy storage
- heat exchanger
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- 239000007788 liquid Substances 0.000 title claims abstract description 108
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000004146 energy storage Methods 0.000 title claims abstract description 32
- 238000001816 cooling Methods 0.000 title claims abstract description 10
- 239000000498 cooling water Substances 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model provides a liquid storage tank for an energy storage water chilling unit and a cooling unit, comprising a tank body, wherein a liquid inlet and a liquid outlet are formed in the tank body, which is close to the side wall of the bottom of the tank body, a liquid adding port is formed in the side wall of the tank body, which is on the same side as the liquid outlet, an air outlet is formed in the side wall of the top of the tank body, the liquid inlet of the tank body is connected to the outlet of a heat exchanger of a cooling water group, the liquid outlet of the tank body is connected to the inlet of the heat exchanger of the cooling water group, when the heat exchanger works, if air bubbles are mixed in a liquid circulation pipeline of the heat exchanger, when circulating liquid mixed with the air bubbles enters the tank body, the liquid flow speed is reduced due to the fact that the space inside the tank body is larger, the air bubbles mixed in the liquid can float upwards in time, the air bubbles can be concentrated at the top of the tank body and can be discharged out of the air outlet positioned at the upper part of the tank body in time, and the air evacuation efficiency of the heat exchanger of the cooling water group is improved.
Description
Technical Field
The utility model relates to the technical field of cooling heat exchange, in particular to a liquid storage tank for an energy storage water chilling unit.
Background
In the energy storage application, in order to control the temperature of the battery, a liquid cooling mode is needed, namely a water chilling unit is adopted, low-temperature or high-temperature liquid generated by the water chilling unit is conveyed to a heat conducting plate at the bottom of the battery, and the temperature of the battery is reduced or increased through the heat conducting plate, which is commonly called an energy storage liquid cooling mode.
When the energy storage system is applied to the water chilling unit, the condition that liquid medium (glycol aqueous solution) in the system leaks or air in the whole liquid pipeline of the energy storage system cannot be discharged when the water chilling unit is filled for the first time often occurs, and if the air in the liquid pipeline of the energy storage system is too much, poor temperature control effect can be caused when the water chilling unit operates in the later stage or a water pump in the inverted water chilling unit fails due to cavitation.
Disclosure of utility model
The utility model aims to provide a liquid storage tank for an energy storage water chilling unit so as to overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a liquid storage tank for energy storage cooling water set, includes the jar body, jar body is close to its bottom lateral wall department and is provided with inlet and liquid outlet, is provided with the liquid filling opening on the jar body lateral wall with liquid outlet same one side, is provided with the gas vent near jar body top lateral wall department.
In the scheme, the liquid inlet of the tank body is connected to the outlet of the heat exchanger of the cooling water group, the liquid outlet of the tank body is connected to the inlet of the heat exchanger of the cooling water group, when the heat exchanger works, if air bubbles are mixed in the liquid circulation pipeline of the heat exchanger, when the circulating liquid mixed with the air bubbles enters the tank body, the liquid flow speed is reduced because the space inside the tank body is larger, the air bubbles mixed in the liquid can float upwards in time, the air bubbles can be concentrated at the top of the tank body and can be timely discharged by the air outlet positioned at the upper part of the tank body, and the air exhausting efficiency of the heat exchanger of the cooling water group is improved. The problems that the temperature control effect is poor or the water pump in the inverted water chilling unit fails due to cavitation when the water chilling unit operates in the later stage caused by excessive air in the liquid pipeline of the energy storage system are avoided.
As an improvement of the liquid storage tank for the energy storage water chilling unit, the top of the tank body is provided with a mounting opening for mounting a liquid heater.
In the scheme, the immersed liquid heater is arranged at the top of the tank body, so that compared with the through liquid heater connected in the liquid pipeline of the water chilling unit in series, the liquid flow resistance is reduced, and the efficiency of the liquid pump is improved.
As an improvement of the liquid storage tank for the energy storage water chilling unit, the tank body is provided with a connecting port for connecting an expansion tank.
In the scheme, when the liquid in the tank body is heated to cause the volume expansion of the liquid, the pressure at each pipeline is increased, and the pipelines are damaged due to the increase of the pressure, so that when the volume expansion of the liquid is carried out, the expansion tank is connected with the connecting port of the tank body, and is expanded by the volume expansion of the liquid, so that the pressure in the tank body is reduced, the stability of the pressure in the tank body is maintained, and the pipelines are ensured to work under the safe pressure.
As an improvement of the liquid storage tank for the energy storage water chilling unit, the tank body is provided with a liquid pressure sensor access port.
In the scheme, the tank body is connected with the liquid pressure sensor through the liquid pressure sensor access port, and the liquid pressure sensor is used for detecting the pressure of liquid, so that the tank body and the pipeline are ensured to run under safe pressure.
As an improvement of the liquid storage tank for the energy storage water chilling unit, the tank body is provided with a float switch access port.
In the scheme, the tank body is connected with the float switch through the float switch inlet, the float switch accurately detects whether liquid is missing, the existing energy storage water chilling unit cannot be installed into the float switch, and the liquid missing cannot be accurately detected.
The utility model aims to provide a cooling unit which overcomes the defects in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a cooling unit comprising a liquid storage tank for an energy storage water chiller according to any one of the above.
In the scheme, the liquid storage tank for the energy storage water chilling unit is connected into the heat exchanger of the cooling water unit, so that the heat exchanger of the cooling water unit is prevented from being excessively influenced by air in the liquid pipeline, and the problem that the temperature control effect is poor or the water pump in the inverted water chilling unit fails due to cavitation can be caused when the later water chilling unit operates. The safety and the normal heat exchange operation of the cooling water group are ensured.
Compared with the prior art, the utility model has the beneficial effects that: when the heat exchanger works, if air bubbles are mixed in the liquid circulation pipeline of the heat exchanger, when circulating liquid mixed with the air bubbles enters the tank body, the liquid flow speed is reduced because of larger space in the tank body, the air bubbles mixed in the liquid can float upwards in time, and the air bubbles can be concentrated at the top of the tank body and can be timely discharged by the exhaust port positioned at the upper part of the tank body, so that the air emptying efficiency of the heat exchanger of the cooling water group is improved. The problems that the temperature control effect is poor or the water pump in the inverted water chilling unit fails due to cavitation when the water chilling unit operates in the later stage caused by excessive air in the liquid pipeline of the energy storage system are avoided; the liquid storage tank for the energy storage water chilling unit is connected into the heat exchanger of the cooling water unit, so that the heat exchanger of the cooling water unit is prevented from being excessively high in air in a liquid pipeline, and the problem that the temperature control effect is poor or the water pump in the inverted water chilling unit fails due to cavitation can be caused when the later water chilling unit operates. The safety and the normal heat exchange operation of the cooling water group are ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of a liquid storage tank according to the present utility model;
Fig. 2 is a schematic diagram of the structure of the cooling water set combined with the liquid storage tank in embodiment 2.
Wherein, 1, the tank body; 2. a liquid inlet; 3. a liquid outlet; 4. a liquid adding port; 5. an exhaust port; 6. a mounting port; 7. an expansion tank; 8. a connection port; 9. a liquid pressure sensor access port; 10. a float switch access port; 11. a heat exchanger; 12. a liquid pressure sensor; 13. a float switch.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Example 1
As shown in fig. 1, a liquid storage tank for an energy storage water chiller comprises a tank body 1, wherein a liquid inlet 2 and a liquid outlet 3 are formed in the side wall of the tank body 1 close to the bottom of the tank body, a liquid filling opening 4 is formed in the side wall of the tank body 1 on the same side as the liquid outlet 3, and an exhaust port 5 is formed in the side wall of the top of the tank body 1.
The inlet 2 of the tank body 1 is connected to the outlet of the heat exchanger 11 of the cooling water group, the outlet 3 of the tank body 1 is connected to the inlet of the heat exchanger 11 of the cooling water group, when the heat exchanger 11 works, if air bubbles are mixed in a liquid circulation pipeline of the heat exchanger 11, when circulating liquid mixed with the air bubbles enters the tank body 1, the flowing speed of the liquid is reduced because the inner space of the tank body 1 is large, the air bubbles mixed in the liquid can float upwards timely, the air bubbles can be concentrated at the top of the tank body 1 and can be discharged timely by the exhaust port 5 positioned at the upper part of the tank body 1, and the air emptying efficiency of the heat exchanger 11 of the cooling water group is improved. The problems that the temperature control effect is poor or the water pump in the inverted water chilling unit fails due to cavitation when the water chilling unit operates in the later stage caused by excessive air in the liquid pipeline of the energy storage system are avoided.
The top of the tank body 1 is provided with a mounting opening 6 for mounting a liquid heater.
The immersed liquid heater is arranged at the top of the tank body 1, compared with a passing liquid heater connected in a liquid pipeline of the water chilling unit in series, the liquid flow resistance is reduced, and the efficiency of the liquid pump is improved.
The tank 1 is provided with a connection port 8 for connecting the expansion tank 7.
When the liquid in the tank body 1 is heated to cause the volume expansion of the liquid, the pressure at each pipeline is increased, and the pipelines are damaged due to the increased pressure, so when the volume expansion of the liquid is carried out, the expansion tank 7 is connected with the connecting port 8 of the tank body 1, and the expansion tank 7 is expanded by the volume expansion of the liquid, thereby reducing the pressure in the tank body 1, keeping the pressure in the tank body 1 stable, and ensuring that the pipelines work under safe pressure.
The tank 1 is provided with a liquid pressure sensor inlet 9.
The tank 1 is connected to the liquid pressure sensor 12 through the liquid pressure sensor inlet 9, and the liquid pressure sensor 12 is used for detecting the pressure of liquid, so that the tank 1 and the pipeline are ensured to run under safe pressure.
The tank 1 is provided with a float switch access 10.
The tank 1 is connected with the float switch 13 through the float switch inlet 10, the float switch 13 accurately detects whether the liquid is lost, and the existing energy storage water chilling unit cannot be installed into the float switch 13, so that the liquid loss cannot be accurately detected.
Example 2
As shown in fig. 2, a cooling unit includes a liquid storage tank for an energy storage water chiller according to any one of the above.
The liquid storage tank for the energy storage water chilling unit is connected into the heat exchanger 11 of the cooling water unit, so that the heat exchanger 11 of the cooling water unit is guaranteed not to be excessively high in air in a liquid pipeline, and the problem that the temperature control effect is poor or the water pump in the inverted water chilling unit fails due to cavitation can be caused when the later water chilling unit operates. The safety and the normal heat exchange operation of the cooling water group are ensured.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a liquid storage tank for energy storage cooling water set, includes the jar body, its characterized in that, jar body is provided with inlet and liquid outlet near its bottom lateral wall department, is provided with the liquid feeding mouth on the jar body lateral wall with liquid outlet same one side, is provided with the gas vent near jar body top lateral wall department.
2. The liquid storage tank for an energy storage water chiller according to claim 1 wherein the top of the tank body is provided with a mounting opening for mounting a liquid heater.
3. The liquid storage tank for an energy storage water chiller according to claim 1 wherein the tank body is provided with a connection port for connecting an expansion tank.
4. The fluid storage tank for an energy storage chiller according to claim 1 wherein said tank is provided with a liquid pressure sensor inlet.
5. The fluid storage tank for an energy storage chiller according to claim 1 wherein the tank body is provided with a float switch access.
6. A cooling unit comprising a reservoir for an energy storage chiller according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322415704.2U CN220895614U (en) | 2023-09-06 | 2023-09-06 | Liquid storage tank for energy storage water chilling unit and cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322415704.2U CN220895614U (en) | 2023-09-06 | 2023-09-06 | Liquid storage tank for energy storage water chilling unit and cooling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220895614U true CN220895614U (en) | 2024-05-03 |
Family
ID=90870844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322415704.2U Active CN220895614U (en) | 2023-09-06 | 2023-09-06 | Liquid storage tank for energy storage water chilling unit and cooling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220895614U (en) |
-
2023
- 2023-09-06 CN CN202322415704.2U patent/CN220895614U/en active Active
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