CN214426511U - Pressure stabilizing device suitable for heat storage system - Google Patents
Pressure stabilizing device suitable for heat storage system Download PDFInfo
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- CN214426511U CN214426511U CN202022734693.0U CN202022734693U CN214426511U CN 214426511 U CN214426511 U CN 214426511U CN 202022734693 U CN202022734693 U CN 202022734693U CN 214426511 U CN214426511 U CN 214426511U
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- 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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Abstract
The utility model discloses a voltage stabilizer suitable for heat accumulation system, this voltage stabilizer include holding water box, control assembly, stop valve and connecting tube, and the heat accumulation system is connected with holding water box through stop valve and control assembly respectively, opens the stop valve and discharges the air among the heat accumulation system when the first water injection in-process of heat accumulation system, closes the stop valve after the water injection is accomplished, guarantees heat accumulation system pressure at the normal value through control assembly. The utility model has the advantages that: the utility model discloses a control assembly guarantees that heat accumulation system pressure is at the normal value, has solved the problem that heat accumulation process heat-retaining working medium is heated the inflation and exothermic process working medium specific volume reduces and causes the periodic increase of system pressure and reduction, avoids superpressure and negative pressure to cause destruction to the system through this level pressure mode absorbed pressure fluctuation, the utility model provides a level pressure mode difference and conventional adoption level pressure jar steady voltage mode, simple structure can reduce the jar body volume under the same heat storage ability, reduce cost by a wide margin.
Description
Technical Field
The utility model relates to a heat accumulation system mainly is a voltage regulator device suitable for heat accumulation system.
Background
The heat storage system is increasingly applied to residential heating and industrial heating projects, the heat storage working medium expands when heated in the heat storage process and the specific volume of the working medium reduces in the heat release process to cause periodic increase and reduction of the system pressure, and the pressure fluctuation must be absorbed in a certain constant pressure mode to avoid damage to the system caused by overpressure and negative pressure. The utility model provides a level pressure mode difference and conventional adoption level pressure jar steady voltage mode, the structure is simpler, has reduced jar volume under the same heat accumulation ability, the cost is reduced by a wide margin.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wide application scope, simple structure, the reliable voltage regulator device who is applicable to the heat accumulation system of technique adopt the utility model discloses, can make the heat accumulation jar volume that has the same heat accumulation ability reduce, reduce cost by a wide margin.
The purpose of the utility model is accomplished through following technical scheme. The utility model discloses a voltage regulator device suitable for heat storage system, this voltage regulator device mainly includes holding water box, control assembly, stop valve and connecting tube, the heat storage system is connected with holding water box through stop valve and control assembly respectively, open the stop valve when the first water injection in-process of heat storage system and discharge the air among the heat storage system, when the heat storage medium is conduction oil, fused salt and other energy storage media, the heat storage system pours into inert gas such as nitrogen gas into, close the stop valve after the water injection is accomplished, guarantee heat storage system pressure at the normal value through control assembly.
As a preferred technical scheme, the control assembly is a safety valve and a check valve, and the heat storage system is connected with the heat preservation water tank through the safety valve and the check valve respectively; when the pressure of the heat storage system reaches the set maximum value, the pressure of the system is maintained at the set value through the pressure relief of the safety valve, and high-temperature hot water enters the heat preservation water tank; when the heat storage system generates a certain negative pressure value, hot water in the heat-preservation water tank returns to the system through the check valve to ensure that the pressure of the heat storage system is at a normal value.
As a preferred technical scheme, the control assembly comprises an electric valve, a pressure controller and a pressure sensor, and the heat storage system is connected with the heat-preservation water tank through the electric valve; when the pressure of the heat storage system reaches a set maximum value, the pressure sensor transmits a signal to the pressure controller to control the electric valve to open and release pressure, and high-temperature hot water enters the heat-preservation water tank; when the heat storage system generates a certain negative pressure value, the pressure sensor transmits the certain negative pressure value of the system to the pressure controller, the pressure controller opens the electric valve, and hot water in the heat preservation water tank returns to ensure that the pressure of the system is at a normal value through the electric valve.
Furthermore, the volume of the heat-preservation water tank is selected according to the total water volume and the heat storage temperature of the heat storage system, and a breathing hole is formed in the top of the heat-preservation water tank, so that the heat-preservation water tank is communicated with the atmosphere.
Furthermore, the calibers of the safety valve, the check valve and the stop valve are determined according to the water volume of the heat storage system and the power of the system.
Further, the connecting pipe specification is determined according to the expansion amount and the system heating power.
Furthermore, the interface position of the heat preservation water tank connected with the check valve is close to the bottom of the heat preservation water tank.
Furthermore, a drain valve is arranged at the bottom of the heat preservation water tank.
Furthermore, a water level meter or a liquid level meter is arranged on the heat preservation water tank.
The utility model has the advantages that: the utility model discloses a control assembly guarantees that heat accumulation system pressure is at the normal value, has solved the heat accumulation process heat-retaining working medium and has been heated the inflation and the problem that heat release process working medium specific volume reduces and cause the periodic increase of system pressure and reduction, absorbs the pressure fluctuation through the level pressure mode in order to avoid causing system superpressure and negative pressure.
Drawings
Fig. 1 is a schematic view of embodiment 1 of the present invention.
Fig. 2 is a schematic view of embodiment 2 of the present invention.
Reference numerals: the system comprises a heat preservation water tank 1, a heat storage system 2, a stop valve 3, a connecting pipeline 4, a safety valve 5, a check valve 6, an electric valve 7, a pressure controller 8, a pressure sensor 9 and a breathing hole 10.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and embodiments:
example 1: the utility model discloses a pressure stabilizer and steady voltage method suitable for heat accumulation system, as shown in fig. 1, mainly include holding water box 1, by the relief valve 5, check valve 6, stop valve 3 and the connecting tube 4 of system setting pressure value, heat accumulation system 2 is connected with holding water box 1 through stop valve 3, relief valve 5 and check valve 6 respectively. The calibers of the safety valve 5, the check valve 6 and the stop valve 3 are determined according to the water volume of the heat storage system 2 and the system power, and the specification of the connecting pipeline is determined according to the expansion amount and the system heating power.
The voltage stabilizing method comprises the following specific steps: when the heat storage system 2 is subjected to primary water injection, the stop valve 3 is opened to discharge air in the heat storage system 2, and the stop valve 3 is closed after water injection is completed; the system is heated, the working medium is heated and expanded, when the pressure of the heat storage system 2 reaches the set maximum value, the pressure of the system is maintained at the set value through the pressure relief of the safety valve 5, and high-temperature hot water enters the heat preservation water tank 1. The system releases heat, the volume of the working medium is reduced, and when the heat storage system 2 generates a certain negative pressure value, hot water in the heat preservation water tank 1 returns to the system through the check valve 6 to ensure that the pressure of the heat storage system 2 is at a normal value.
Example 2: as shown in fig. 2, the utility model discloses another kind of pressure stabilizer and steady voltage method suitable for heat accumulation system mainly includes holding water box 1, motorised valve 7, pressure controller 8, pressure sensor 9, check valve 6, stop valve 3 and connecting tube 4, and heat accumulation system 2 is connected with holding water box 1 through stop valve 3, motorised valve 7 respectively.
The voltage stabilizing method comprises the following specific steps: when the heat storage system 2 is subjected to primary water injection, the stop valve 3 is opened to discharge air in the heat storage system 2, and the stop valve 3 is closed after water injection is completed; the system is heated, the working medium is heated and expanded, when the pressure of the heat storage system 2 reaches the set highest value, the pressure sensor 9 transmits a signal to the pressure controller 8 to control the electric valve 7 to open and release the pressure, and high-temperature hot water enters the heat-preservation water tank 1. The system releases heat, the volume of the working medium is reduced, when the heat storage system 2 generates a certain negative pressure value, the pressure sensor 8 transmits the certain negative pressure value of the system to the pressure controller 8, the pressure controller 8 opens the electric valve 7, and hot water in the heat preservation water tank 1 returns through the electric valve 7 to ensure that the pressure of the system is at a normal value.
It should be noted that: in the embodiment 1 and the embodiment 2, the volume of the heat-preservation water tank 1 is selected according to the total water volume and the heat storage temperature of the heat storage system 2, the interface position of the heat-preservation water tank 1, which is connected with the check valve 6, is close to the bottom of the heat-preservation water tank 1, the bottom of the heat-preservation water tank 1 can be provided with a blow-down valve, and the heat-preservation water tank 1 can also be provided with a water level meter or a liquid level meter. The top of the heat preservation water tank 1 is provided with a breathing hole, so that the heat preservation water tank 1 is communicated with the atmosphere. The breathing hole 10 of the heat preservation water tank is as small as possible, and meanwhile, the heat preservation performance of the heat preservation water tank is high, so that the energy loss of the system is reduced as much as possible.
The heat storage medium used in the heat storage system includes, but is not limited to, energy storage media such as water, heat transfer oil, and molten salt. When the energy storage medium is a non-aqueous medium, inert gases such as nitrogen and the like are injected to protect the heat storage medium when the heat storage medium is injected into the heat storage system 2 for the first time.
It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
Claims (9)
1. The utility model provides a voltage regulator device suitable for heat storage system which characterized in that: mainly including holding water box (1), control assembly, stop valve (3) and connecting tube (4), heat accumulation system (2) are connected with holding water box (1) through stop valve (3) and control assembly respectively, open stop valve (3) and discharge the heat accumulation system air when heat accumulation system (2) first water injection in-process, when the heat accumulation medium is conduction oil or fused salt, heat accumulation system pours into inert gas into, close stop valve (3) after the water injection is accomplished, guarantee through control assembly that heat accumulation system (2) pressure is at the normal value.
2. The pressure stabilizing device adapted to a thermal storage system according to claim 1, wherein: the control assembly comprises a safety valve (5) and a check valve (6), and the heat storage system (2) is connected with the heat-preservation water tank (1) through the safety valve (5) and the check valve (6) respectively; when the pressure of the heat storage system (2) reaches the set maximum value, the pressure of the system is released through a safety valve (5) to maintain the set value, and high-temperature hot water enters the heat-preservation water tank (1); when the heat storage system (2) generates a certain negative pressure value, hot water in the heat-preservation water tank (1) returns to the system through the check valve (6) to ensure that the pressure of the heat storage system (2) is at a normal value.
3. The pressure stabilizing device adapted to a thermal storage system according to claim 1, wherein: the control assembly comprises an electric valve (7), a pressure controller (8) and a pressure sensor (9), and the heat storage system (2) is connected with the heat-preservation water tank (1) through the electric valve (7); when the pressure of the heat storage system (2) reaches a set maximum value, the pressure sensor (9) transmits a signal to the pressure controller (8) to control the electric valve (7) to open and release the pressure, and high-temperature hot water enters the heat-preservation water tank (1); when the heat storage system (2) generates a certain negative pressure value, the pressure sensor (9) transmits the certain negative pressure value of the system to the pressure controller (8), the pressure controller (8) opens the electric valve (7), and hot water in the heat preservation water tank (1) returns through the electric valve (7) to ensure that the pressure of the system is at a normal value.
4. The pressure stabilizing device adapted to a thermal storage system according to claim 1, 2, or 3, characterized in that: the volume of the heat-preservation water tank (1) is selected according to the total water volume and the heat storage temperature of the heat storage system (2), and the top of the heat-preservation water tank (1) is provided with a breathing hole so that the heat-preservation water tank (1) is communicated with the atmosphere.
5. The pressure stabilizing device adapted to a thermal storage system according to claim 2, wherein: the calibers of the safety valve (5), the check valve (6) and the stop valve (3) are determined according to the water volume of the heat storage system (2) and the system power.
6. The pressure stabilizing device adapted to a thermal storage system according to claim 1, wherein: the specification of the connecting pipeline (4) is determined according to the expansion amount and the system heating power.
7. The pressure stabilizing device adapted to a thermal storage system according to claim 2, wherein: the joint position of the heat-preservation water tank (1) connected with the check valve (6) is close to the bottom of the heat-preservation water tank (1).
8. The pressure stabilizing device adapted to a thermal storage system according to claim 1, wherein: the bottom of the heat preservation water tank (1) is provided with a blowoff valve, and the heat preservation water tank (1) is provided with a water level meter or a liquid level meter.
9. The pressure stabilizing device adapted to a thermal storage system according to claim 1, wherein: the heat storage system adopts water or heat conduction oil or molten salt as a heat storage medium, and when the energy storage medium is a non-aqueous medium, inert gas is injected to protect the heat storage medium when the heat storage medium is injected into the heat storage system for the first time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022734693.0U CN214426511U (en) | 2020-11-23 | 2020-11-23 | Pressure stabilizing device suitable for heat storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022734693.0U CN214426511U (en) | 2020-11-23 | 2020-11-23 | Pressure stabilizing device suitable for heat storage system |
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| Publication Number | Publication Date |
|---|---|
| CN214426511U true CN214426511U (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022734693.0U Active CN214426511U (en) | 2020-11-23 | 2020-11-23 | Pressure stabilizing device suitable for heat storage system |
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|---|---|
| CN (1) | CN214426511U (en) |
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2020
- 2020-11-23 CN CN202022734693.0U patent/CN214426511U/en active Active
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