CN209961039U - Energy-saving heat storage and exchange system - Google Patents
Energy-saving heat storage and exchange system Download PDFInfo
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- CN209961039U CN209961039U CN201920363419.1U CN201920363419U CN209961039U CN 209961039 U CN209961039 U CN 209961039U CN 201920363419 U CN201920363419 U CN 201920363419U CN 209961039 U CN209961039 U CN 209961039U
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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 an energy-saving heat storage and exchange system, which comprises a high-temperature fan, a solid heat storage device, a first gas-liquid heat exchanger, a pump and a terminal user; the first gas-liquid heat exchanger and an end user form heat exchange through a pipeline; the upper part of the solid heat storage device is communicated with a second gas-liquid heat exchanger through an exhaust pipeline and a first check valve arranged on the solid heat storage device; the second gas-liquid heat exchanger is provided with a second liquid side inlet, a second liquid side outlet and an exhaust port; the second liquid side inlet is communicated with the first heat return pipeline through a second heat return pipeline and a first electric valve arranged on the second heat return pipeline; the second liquid side outlet is communicated with the first heat supply pipeline through a second heat supply pipeline and a second electric valve arranged on the second heat supply pipeline. The system can reduce the self-electricity consumption of the heat storage device, improve the heat exchange efficiency of the system, reduce the pressure grade of a container of the heat storage device and improve the running reliability of equipment.
Description
Technical Field
The utility model relates to a heat accumulation heat transfer technical field specifically is an energy-conserving heat accumulation heat transfer system.
Background
The expansion of city scale and the change of power consumption structure for the electric wire netting is power load difference value bigger and bigger day and night, causes electric wire netting peak valley difference to increase day by day, brings the difficulty for generating set's safe high-efficient operation, adopts millet electricity heat accumulation device, can utilize trough time period electric power to heat the heat accumulator to certain temperature, when satisfying the use of trough time period, the heat accumulation volume that the heat accumulator stored satisfies the flat electricity period and peak electricity period is required, plays the effect of shifting the peak and filling the valley.
The device and the method for storing heat of the prior patent publication No. CN102869944A adopt a pressure vessel to store a heat storage medium, are suitable for heat storage and heat exchange, adopt the same medium, and when the heat storage medium and the heat exchange medium are different, such as a solid heat storage device, the heat storage medium contains a large amount of gas, and when the heat exchange medium is liquid, adopt the mode of direct contact of the heat storage medium and the heat exchange medium, so that the gas dissolution is increased, thereby leading to the reduction of the heat exchanger efficiency.
Because frequent heat filling and discharging of heat accumulation heat transfer system, the pressure of the inside air of heat accumulation device changes along with the temperature variation nowadays, in order to reduce heat accumulation device internal pressure, generally set up vent and outside air intercommunication on solid heat accumulation device's hot air channel, the high temperature hot-air after the heating passes through the vent and discharges, leads to device energy loss, and the hot-air of high temperature directly discharges the external world, causes accidents such as scald easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-conserving heat accumulation heat transfer system to the hot-air direct discharge external of high temperature among the current heat accumulation heat transfer system who proposes in solving above-mentioned background art causes accidents such as scald easily, can not be fine satisfies people's user demand problem. The system can reduce the electricity consumption of the heat storage device, improve the heat exchange efficiency of the system, reduce the pressure grade of the container of the solid heat storage device and improve the operation reliability of equipment.
In order to achieve the above object, the utility model provides a following technical scheme:
an energy-saving heat storage and exchange system comprises a high-temperature fan, a solid heat storage device, a first gas-liquid heat exchanger, a pump and a terminal user; a first liquid side inlet and a first liquid side outlet are arranged on the first gas-liquid heat exchanger; the first liquid side inlet is communicated with the terminal user through a first heat return pipeline; the first liquid side outlet is communicated with the end user through a first heat supply pipeline; the upper part of the solid heat storage device is communicated with a second gas-liquid heat exchanger through an exhaust pipeline and a first check valve arranged on the exhaust pipeline; the second gas-liquid heat exchanger is provided with a second liquid side inlet, a second liquid side outlet and an exhaust port; the second liquid side inlet is communicated with the first heat return pipeline through a second heat return pipeline and a first electric valve arranged on the second heat return pipeline; and the second liquid side outlet is communicated with the first heat supply pipeline through a second heat supply pipeline and a second electric valve arranged on the second heat supply pipeline.
Preferably, the first gas-liquid heat exchanger is further provided with a first gas-side inlet and a first gas-side outlet; the first air side inlet is communicated with an air outlet of the solid heat storage device through a hot air pipeline, and the first air side outlet is sequentially communicated with the high-temperature fan and an air inlet of the solid heat storage device through a cold air pipeline.
Preferably, the upper part of the solid heat storage device is provided with an air inlet, the air inlet is communicated with an air inlet pipeline, and the air inlet pipeline is provided with a second check valve.
Preferably, a third electric valve is arranged on the first heat recovery pipeline between the first gas-liquid heat exchanger and the second heat recovery pipeline.
Preferably, a fourth electric valve is arranged on the first heat-return pipeline between the second heat-return pipeline and the end user.
Preferably, a pump is provided on the second heat recovery conduit between the second heat recovery conduit and the end user.
Preferably, a fifth electric valve is arranged on the first heat supply pipeline between the second heat supply pipeline and the second heat return pipeline.
Compared with the prior art, the utility model discloses a following beneficial effect has:
the utility model discloses increase the heat exchange system who comprises exhaust duct, first check valve, second gas-liquid heat exchanger, second heat return pipeline, second heat supply pipeline, first motorised valve and second motorised valve on the gas vent of original solid heat storage device, utilize this heat exchange system can adjust solid heat storage device internal pressure, improve solid heat storage device's operation safety, the energy saving that again can be fine improves system operating efficiency.
Drawings
Fig. 1 is a schematic plan structure view of an energy-saving heat storage and exchange system provided by an embodiment of the present invention.
In the figure: 1-a high-temperature fan; 2-a solid thermal storage device; 3-a first gas-liquid heat exchanger; 4-a first heat recovery pipeline; 5-a first heat supply pipeline; 6-third electric valve; 7-a first electrically operated valve; 8-a second heat recovery pipeline; 9-fourth electrically operated valve; 10-fifth electrically operated valve; 11-a pump; 12-a second heat supply pipeline; 13-a second electrically operated valve; 14-an exhaust port; 15-a second gas-liquid heat exchanger; 16-an exhaust duct; 17-a first check valve; 18-hot air pipes; 19-a cold air duct; 20-a second check valve; 21-end user.
Detailed Description
As shown in fig. 1, the utility model provides an energy-conserving heat accumulation heat transfer system, including high temperature fan 1, solid heat accumulation device 2, first gas-liquid heat exchanger 3, first heat supply pipeline 4, first heat supply pipeline 5, third motorised valve 6, first motorised valve 7, second heat supply pipeline 8, fourth motorised valve 9, fifth motorised valve 10, pump 11, second heat supply pipeline 12, second motorised valve 13, gas vent 14, second gas-liquid heat exchanger 15, exhaust duct 16, first check valve 17, hot-blast main 18, cold-blast pipeline 19, second check valve 20 and end user 21.
And a first gas side inlet, a first gas side outlet, a first liquid side inlet and a first liquid side outlet are arranged on the first gas-liquid heat exchanger 3. The first air side inlet is communicated with an air outlet of the solid heat storage device 2 through a hot air pipeline 18. The first air side outlet is sequentially communicated with the air inlets of the high-temperature fan 1 and the solid heat storage device 2 through a cold air pipeline 19. The first fluid side inlet communicates with the end user 21 via a first return conduit 4. The first liquid side outlet is communicated with the end user 21 through a first heat supply pipeline 5. The heat in the solid heat storage device 2 is introduced into the first gas-liquid heat exchanger 3 through the cooperation between the cold air pipeline 19 and the high-temperature fan 1, the first gas-liquid heat exchanger 3 effectively applies work to the introduced gas, the gas is supplied to the end user 21 through the first heat supply pipeline 5 for use, and the cooled medium returned from the end user 21 returns to the first gas-liquid heat exchanger 3 through the first heat return pipeline 4.
A third electric valve 6 is arranged on the first heat return pipeline 4 between the first gas-liquid heat exchanger 3 and the second heat return pipeline 8. A fourth electric valve 9 is arranged on the first heat return pipe 4 between the second heat return pipe 8 and the end user 21. A fifth electric valve 10 is arranged on the first heat supply pipeline 5 between the second heat supply pipeline 12 and the second heat return pipeline 8. The electric valve is used for controlling the on-off of the heat supply pipeline and the heat return pipeline and adjusting the flow.
A pump 11 is arranged on the first heat return pipe 4 between the second heat return pipe 8 and the end user 21, and the pump 11 can effectively guide the liquid returned by the system in the end user 21 into the first gas-liquid heat exchanger 3.
The upper portion of the solid heat storage device 2 is provided with an air inlet which is communicated with an air inlet pipeline, and a second check valve 20 is arranged on the air inlet pipeline.
The upper part of the solid heat storage device 2 is communicated with the second gas-liquid heat exchanger 15 through the exhaust pipeline 16, and the exhaust pipeline 16 is provided with a first check valve 17. The second gas-liquid heat exchanger 15 is provided with a second liquid side inlet, a second liquid side outlet and an exhaust port; the second liquid side inlet is communicated with the first heat return pipeline 4 through a second heat return pipeline 8 and a first electric valve 7, and the first electric valve 7 is arranged on the second heat return pipeline 8. The second liquid side outlet is communicated with the first heat supply pipeline 5 through a second heat supply pipeline 12 and a second electric valve 13, and the second electric valve 13 is arranged on the second heat supply pipeline 12. The exhaust pipeline 16, the first check valve 17, the second gas-liquid heat exchanger 15, the second heat return pipeline 8, the second heat supply pipeline 12, the first electric valve 7 and the second electric valve 13 form a heat exchange system, and the heat exchange system can adjust the internal pressure of the solid heat storage device 2, improve the operation safety of the solid heat storage device 2, well save energy and improve the operation efficiency of the system.
The pressure regulation principle of the solid heat storage device 2:
during the off-peak electricity period, the solid heat storage device 2 starts to store heat, because the volume of the solid heat storage device 2 is unchanged, the air pressure in the solid heat storage device 2 rises along with the rise of the temperature of the heat storage body, when the pressure rises to the set pressure of the first check valve 17, the first check valve 17 is opened, the hot air in the solid heat storage device 2 enters the second gas-liquid heat exchanger 15 through the exhaust pipeline 16 for heat exchange, and after the heat exchange, the hot air is discharged into the atmosphere through the exhaust port 14.
The solid heat storage device 2 starts to release heat when the peak power period releases heat, the air pressure in the solid heat storage device 2 decreases as the temperature of the heat storage medium decreases due to the unchanged volume of the solid heat storage device 2, when the pressure decreases to the set pressure of the check valve 20, the check valve 20 opens, cold air enters the solid heat storage device 2, and the air pressure in the solid heat storage device 2 increases.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An energy-saving heat storage and exchange system comprises a high-temperature fan (1), a solid heat storage device (2), a first gas-liquid heat exchanger (3), a pump (11) and a terminal user (21); a first liquid side inlet and a first liquid side outlet are arranged on the first gas-liquid heat exchanger (3); the first liquid side inlet is communicated with the terminal user through a first heat return pipeline (4); the first liquid side outlet is communicated with the end user through a first heat supply pipeline (5); the method is characterized in that: the upper part of the solid heat storage device (2) is communicated with a second gas-liquid heat exchanger (15) through an exhaust pipeline (16) and a first check valve (17) arranged on the exhaust pipeline (16); the second liquid-side inlet, the second liquid-side outlet and an exhaust port (14) are formed in the second gas-liquid heat exchanger (15); the second liquid side inlet is communicated with the first heat return pipeline (4) through a second heat return pipeline (8) and a first electric valve (7) arranged on the second heat return pipeline (8); and the second liquid side outlet is communicated with the first heat supply pipeline (5) through a second heat supply pipeline (12) and a second electric valve (13) arranged on the second heat supply pipeline (12).
2. The energy-saving heat storage and exchange system of claim 1, wherein: the first gas-liquid heat exchanger (3) is also provided with a first gas side inlet and a first gas side outlet; the first air side inlet is communicated with an air outlet of the solid heat storage device (2) through a hot air pipeline (18), and the first air side outlet is sequentially communicated with air inlets of the high-temperature fan (1) and the solid heat storage device (2) through a cold air pipeline (19).
3. The energy-saving heat storage and exchange system of claim 1, wherein: the upper portion of solid heat accumulation device (2) is arranged and is equipped with the air inlet, communicate an inlet duct on the air inlet, the last second check valve (20) that sets up of inlet duct.
4. The energy-saving heat storage and exchange system of claim 1, wherein: and a third electric valve (6) is arranged on the first heat return pipeline (4) between the first gas-liquid heat exchanger (3) and the second heat return pipeline (8).
5. The energy-saving heat storage and exchange system of claim 1, wherein: a fourth electric valve (9) is arranged on the first heat return pipeline (4) between the second heat return pipeline (8) and the end user (21).
6. The energy-saving heat storage and exchange system of claim 1, wherein: and a fifth electric valve (10) is arranged on the first heat supply pipeline (5) between the second heat supply pipeline (12) and the second heat return pipeline (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920363419.1U CN209961039U (en) | 2019-03-21 | 2019-03-21 | Energy-saving heat storage and exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920363419.1U CN209961039U (en) | 2019-03-21 | 2019-03-21 | Energy-saving heat storage and exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209961039U true CN209961039U (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920363419.1U Active CN209961039U (en) | 2019-03-21 | 2019-03-21 | Energy-saving heat storage and exchange system |
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| Country | Link |
|---|---|
| CN (1) | CN209961039U (en) |
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2019
- 2019-03-21 CN CN201920363419.1U patent/CN209961039U/en active Active
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Address after: No.6, west side, 4th floor, building 10, West Yungu, Fengxi new city, Xixian New District, Xi'an City, Shaanxi Province Patentee after: Xi'an Yineng Intelligent Technology Co., Ltd Address before: 710004 West Side 6, 4th Floor, Yungu 10 Building, West Fengxi New Town, Xixian New District, Xi'an City, Shaanxi Province Patentee before: XI'AN YINENG WISDOM ENERGY SAVING TECHNOLOGY Co.,Ltd. |