CN211853953U - Steam energy storage device utilizing off-peak electricity to store heat - Google Patents
Steam energy storage device utilizing off-peak electricity to store heat Download PDFInfo
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- CN211853953U CN211853953U CN202020359126.9U CN202020359126U CN211853953U CN 211853953 U CN211853953 U CN 211853953U CN 202020359126 U CN202020359126 U CN 202020359126U CN 211853953 U CN211853953 U CN 211853953U
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Abstract
The utility model provides an utilize steam energy storage equipment of low ebb electricity heat accumulation, including electric steam boiler, direct steam supply pipeline, heat storage pipeline motorised valve, heat storage pipeline check valve, heat storage pipeline end-to-end connection is at the inside steam distribution pipeline of steam heat accumulator, the heating pipe of connecting on steam distribution pipeline, liquid level changer, the drainage pipeline, drainage pipeline motorised valve, the moisturizing pipeline motorised valve, the moisturizing pump that is connected with moisturizing pipeline motorised valve, the heat release pipeline that is connected with steam heat accumulator, install the heat release pipeline check valve on heat release pipeline in proper order, electrical control valve, catch water, pressure transmitter. The invention has small space occupation and low operation cost, and uses water as medium to store high-temperature and high-pressure steam generated by off-peak power and releases steam for use in the peak period of power utilization. Can be widely applied to the industrial and civil steam field.
Description
Technical Field
The invention relates to a steam energy storage device for storing heat by utilizing off-peak electricity, which can be widely applied to the field of industrial and civil steam.
Background
Energy is the basis for human survival and development, and with the development of society and economy, the demand for energy is continuously increased, and the development and reasonable utilization of energy are more and more concerned by people. Along with the deep progress of the pollution treatment work of domestic large-scale coal-fired boilers, the change of coal into electricity is more and more a main mode of clean energy. Many production type industrial enterprises have adopted an electric steam boiler to directly replace a coal-fired steam boiler, but the direct electric heating mode of the factory causes the production cost of the steam to be very high, and the enterprises can bear heavy burden.
Disclosure of Invention
The invention aims to provide a steam energy storage device which occupies small space, has low operation cost, stores high-temperature and high-pressure steam generated by off-peak electricity by taking water as a medium, and releases the steam during the peak period of electricity to use and stores heat by the off-peak electricity.
In order to achieve the aim, the invention relates to a steam energy storage device utilizing off-peak electricity to store heat, which comprises an electric steam boiler, a direct steam supply pipeline connected with the electric steam boiler, a heat storage pipeline electric valve and a heat storage pipeline check valve which are sequentially arranged on the heat storage pipeline, a steam distribution pipeline, a heating pipe, a liquid level transmitter, a water drainage pipeline electric valve, a water replenishing pump, a water replenishing pipeline electric valve and a steam heat storage device, wherein the tail end of the heat storage pipeline is connected with the interior of the steam heat storage device, the heating pipe is connected on the steam distribution pipeline, the liquid level transmitter is arranged on the height direction of the water level of the steam heat storage device, the water drainage pipeline electric valve is arranged below the steam heat storage device and is connected with the steam heat storage device, the heat release pipeline is connected with the steam heat accumulator, the heat release pipeline check valve, the electric control valve and the steam-water separator are sequentially arranged on the heat release pipeline, and the pressure transmitter is connected with the electric control valve and the steam-water separator at one end and connected with the electric control valve through a circuit at the other end and transmits pressure signals.
The invention relates to a steam energy storage device utilizing off-peak electricity to store heat, and an electric steam boiler is a resistance type steam boiler or an electromagnetic type steam boiler for generating superheated steam.
The steam energy storage device utilizes off-peak electricity to store heat, the steam generated by the electric steam boiler is directly used by users, and the steam heat storage device is utilized to store heat.
The steam energy storage device utilizes off-peak electricity to store heat, the steam heat accumulator adopts water as heat absorption, conversion and heat energy storage media, and utilizes the continuous decrease of the pressure in the steam heat accumulator and the continuous evaporation of saturated water to form steam and store the steam.
The steam heat accumulator releases steam through the check valve of the heat release pipeline, the electric regulating valve and the steam-water separator and is indirectly supplied to users for use.
The steam energy storage device utilizes off-peak electricity to store heat, and the steam-water separator prevents water from being carried in steam and improves the steam quality.
The invention relates to a steam energy storage device for storing heat by utilizing off-peak electricity, which has the working principle that:
when the user needs to use the steam, the steam generated by the electric steam boiler is directly supplied to the user through the direct steam supply pipeline.
In the off-peak electricity period, the steam is directly supplied to the user, meanwhile, the steam heat accumulator is used for storing the high-temperature and high-pressure steam, and the steam is released for the user to use in the peak electricity utilization period. The electric valve of the heat storage pipeline of the steam heat accumulator is opened, the electric regulating valve of the heat release pipeline is closed, superheated steam is introduced into a steam distribution pipe and a heating pipe in the steam heat accumulator through the electric valve of the heat storage pipeline and the check valve of the heat storage pipeline, water in the steam heat accumulator and the superheated steam improve the water temperature in a heat exchange mode, low-temperature hot water enters from the lower part of the heating pipe under the action of the heating pipe, heated water flows out from the upper part of the heating pipe, the water flows around each group of heating pipes to form circulation, a water space is stirred, and the water. In the heat exchange process, the superheated steam releases the sensible heat of the steam, the condensation heat in the steam condensation process and the sensible heat of the condensation water, the temperature of the water in the heat accumulator rises, the water level also rises, and the saturated steam pressure of the corresponding steam space also rises.
During the peak period of power consumption, the low-cost off-peak power is used to generate high-temperature and high-pressure steam, which is stored and released for the user to use during the peak period of power consumption. And opening an electric control valve of a heat release pipeline of the steam heat accumulator and closing an electric valve of the heat storage pipeline. Saturated steam in the steam heat accumulator flows out through a check valve of the heat release pipeline, then steam parameters are adjusted through the electric control valve, and finally the saturated steam is supplied to a user through the steam-water separator. The continuous outflow of the saturated steam enables the pressure in the steam heat accumulator to be continuously reduced, and the residual saturated water is continuously evaporated into the saturated steam. Therefore, the temperature and the pressure of the steam flowing out of the steam heat accumulator are continuously reduced, the pressure transmitter on the heat release pipeline transmits a pressure signal required by a user to the electric regulating valve, and the electric regulating valve adjusts the saturated steam with continuously changed parameters into the saturated steam with the parameters required by the user. The steam heat accumulator is provided with a liquid level transmitter, when the liquid level is lower than the set lowest water level, a water replenishing pump and a water replenishing pipeline electric valve are opened to replenish water to the steam heat accumulator, and when the liquid level is higher than the set highest water level, a water discharging pipeline electric valve is opened to discharge water.
The steam energy storage device utilizing off-peak electricity to store heat can prevent steam from flowing backwards in the heat storage and heat release processes through the heat storage pipeline check valve and the heat release pipeline check valve.
The invention relates to a steam energy storage device utilizing off-peak electricity to store heat, which adopts low-price water as a heat absorption, conversion and heat energy storage medium, utilizes low-price off-peak electricity, generates high-temperature and high-pressure steam through the continuous reduction of the pressure in a steam heat accumulator and the continuous evaporation of saturated water, stores the high-temperature and high-pressure steam, releases the steam for users during the peak period of electricity utilization, and greatly reduces the operation cost while reducing the space occupied by the steam.
In conclusion, the steam energy storage device utilizing off-peak electricity to store heat has the advantages of small steam occupied space and low operation cost, stores high-temperature and high-pressure steam generated by off-peak electricity by taking water as a medium, and releases the steam for use in the peak period of electricity utilization.
Drawings
The invention will be further described with reference to the accompanying drawings and examples thereof.
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
In fig. 1, the steam energy storage device using off-peak electricity to store heat of the present invention comprises an electric steam boiler 1, a direct steam supply pipeline 2 connected with the electric steam boiler, a heat storage pipeline 3 connected with the electric steam boiler, a heat storage pipeline electric valve 4 and a heat storage pipeline check valve 5 which are sequentially installed on the heat storage pipeline, a steam distribution pipeline 7 whose tail end is connected with the inside of a steam heat accumulator 6, a heating pipe 8 connected on the steam distribution pipeline, a liquid level transmitter 9 installed on the height direction of the water level of the steam heat accumulator, a drain pipeline electric valve 11 which is located below the steam heat accumulator, connected with the steam heat accumulator through a drain pipeline 10 and connected with the liquid level transmitter through an electric circuit, a water supply pipeline electric valve 13 connected with the steam heat accumulator through a water supply pipeline 12 and connected with the liquid level transmitter through an electric circuit, and a water supply pump 14 connected with the electric valve of the water supply, the steam heat accumulator comprises a heat release pipeline 15 connected with the steam heat accumulator, a heat release pipeline check valve 16, an electric control valve 17, a steam-water separator 18 and a pressure transmitter 19, wherein the heat release pipeline check valve 16, the electric control valve 17 and the steam-water separator 18 are sequentially arranged on the heat release pipeline, one end of the pressure transmitter is connected with the joint of the electric control valve and the steam-water separator, and the other end of the pressure transmitter is connected with the electric.
The invention relates to a steam energy storage device utilizing off-peak electricity to store heat, and an electric steam boiler is a resistance type steam boiler or an electromagnetic type steam boiler for generating superheated steam.
The steam energy storage device utilizes off-peak electricity to store heat, the steam generated by the electric steam boiler is directly used by users, and the steam heat storage device is utilized to store heat.
The steam energy storage device utilizes off-peak electricity to store heat, the steam heat accumulator adopts water as heat absorption, conversion and heat energy storage media, and utilizes the continuous decrease of the pressure in the steam heat accumulator and the continuous evaporation of saturated water to form steam and store the steam.
The steam heat accumulator releases steam through the check valve of the heat release pipeline, the electric regulating valve and the steam-water separator and is indirectly supplied to users for use.
The steam energy storage device utilizes off-peak electricity to store heat, and the steam-water separator prevents water from being carried in steam and improves the steam quality.
In view of the foregoing, while the preferred embodiments of the present invention have been described, it is to be understood that the invention is not limited to the precise embodiments described above, and that equipment and structures not described in detail are understood to be practiced in a manner that is conventional in the art; any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention by those skilled in the art can be made without departing from the technical scope of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. A steam energy storage device utilizing off-peak electricity to store heat is characterized by comprising an electric steam boiler, a direct steam supply pipeline connected with the electric steam boiler, a heat storage pipeline electric valve and a heat storage pipeline check valve which are sequentially arranged on the heat storage pipeline, a steam distribution pipeline of which the tail end of the heat storage pipeline is connected with the inside of a steam heat accumulator, a heating pipe connected on the steam distribution pipeline, a liquid level transmitter arranged on the height direction of the water level of the steam heat accumulator, a drainage pipeline electric valve which is arranged below the steam heat accumulator and is connected with the steam heat accumulator through a drainage pipeline and is connected with the liquid level transmitter through an electric circuit, a water replenishing pipeline electric valve connected with the steam heat accumulator through a water replenishing pipeline and is connected with the liquid level transmitter through an electric circuit, and a water replenishing pump connected with the water, the heat release pipeline is connected with the steam heat accumulator, the heat release pipeline check valve, the electric control valve and the steam-water separator are sequentially arranged on the heat release pipeline, and the pressure transmitter is connected with the electric control valve and the steam-water separator at one end and connected with the electric control valve through a circuit at the other end and transmits pressure signals.
2. The steam energy storage device utilizing off-peak electricity to store heat according to claim 1, wherein the electric steam boiler is a resistance-type steam boiler or an electromagnetic-type steam boiler generating superheated steam.
3. The steam energy storage device using valley electricity for heat storage according to claim 1, wherein the steam generated by the electric steam boiler is directly supplied to the user, and the steam heat storage device is used for heat storage.
4. The steam energy storage device utilizing off-peak electricity to store heat according to claim 1, wherein the steam heat accumulator adopts water as a heat absorption, conversion and heat energy storage medium, and utilizes the continuous pressure drop and the continuous evaporation of saturated water in the steam heat accumulator to form steam and store the steam.
5. The steam energy storage device utilizing off-peak electricity to store heat according to claim 1, characterized in that the steam heat accumulator releases steam through a heat release pipeline check valve, an electric regulating valve and a steam-water separator, and is indirectly supplied to a user.
6. The steam energy storage device utilizing the off-peak electricity for heat storage according to claim 1, wherein the steam-water separator prevents water from being carried in the steam, and improves the quality of the steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020359126.9U CN211853953U (en) | 2020-03-20 | 2020-03-20 | Steam energy storage device utilizing off-peak electricity to store heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020359126.9U CN211853953U (en) | 2020-03-20 | 2020-03-20 | Steam energy storage device utilizing off-peak electricity to store heat |
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| Publication Number | Publication Date |
|---|---|
| CN211853953U true CN211853953U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020359126.9U Active CN211853953U (en) | 2020-03-20 | 2020-03-20 | Steam energy storage device utilizing off-peak electricity to store heat |
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| CN (1) | CN211853953U (en) |
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2020
- 2020-03-20 CN CN202020359126.9U patent/CN211853953U/en active Active
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