CN219494952U - Energy storage system for heat storage of electrode boiler coupling spherical tank - Google Patents
Energy storage system for heat storage of electrode boiler coupling spherical tank Download PDFInfo
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- CN219494952U CN219494952U CN202320553427.9U CN202320553427U CN219494952U CN 219494952 U CN219494952 U CN 219494952U CN 202320553427 U CN202320553427 U CN 202320553427U CN 219494952 U CN219494952 U CN 219494952U
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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
Abstract
The utility model provides an energy storage system for heat storage of an electrode boiler coupling spherical tank, which comprises an electrode boiler system, a spherical tank heat storage system and a water supplementing system, wherein the electrode boiler system and the spherical tank heat storage system are arranged in parallel in a coupling way, and the output end of the water supplementing system is connected with the electrode boiler system and the spherical tank heat storage system in parallel; the steam output end of the electrode boiler system is connected with the spherical tank heat storage system and the user side in parallel, and the steam is conveyed to the spherical tank heat storage system for storage or conveyed to the user side for heat supply; the electrode boiler system is connected to the user side through a boiler steam conveying pipeline, and the spherical tank heat storage system is connected to the boiler steam conveying pipeline through a steam pipeline to store steam generated by the electrode boiler system or supply the steam to the user side for heat supply. The system can store electric energy in a high-parameter saturated hot water form when wind power, hydropower, photovoltaic, photo-thermal power generation and the like cannot access the internet, effectively eliminate new energy, relieve waste phenomena such as 'waste wind, waste light' and the like, and release heat when heat supply is needed.
Description
[ field of technology ]
The utility model relates to the technical field of novel energy storage, in particular to an energy storage system for energy saving, consumption reduction and reconstruction and efficient energy storage establishment of an electrode boiler coupling spherical tank heat storage by using valley electricity or new energy consumption (wind power, photoelectricity and hydropower).
[ background Art ]
With the gradual formation of a high-proportion new energy power system and the adjustment of a new peak-valley time-of-use electricity price mechanism. The peak electricity price and the low-valley electricity price have higher up-and-down floating proportion, which means that the peak-valley electricity price difference is further increased, the novel energy storage technology can utilize a peak-valley time-of-use electricity price mechanism, and the energy storage is carried out when the electricity price is low, and the electricity price difference is earned when the heat supply is carried out when the electricity price is high. The existing heat storage technology generally adopts an electrothermal tube boiler for heating and a horizontal cylinder for heat storage, and the voltage resistance and the temperature resistance of the electrothermal tube limit the power of the electrothermal tube boiler and the reliability of high-temperature long-term operation, so that the electrothermal tube boiler cannot be applied to a large-scale energy storage scene. The novel energy storage technology adopts the electrode boiler coupling spherical tank heat storage technology, and the electrode boiler has high heating power and quick response; compared with a cylindrical container with the same capacity, the spherical container has the advantages of minimum surface area and minimum heat dissipation loss by adopting the spherical tank heat storage technology. The energy storage device can be applied to large-scale energy storage scenes and has the characteristics of high energy storage efficiency, long service life, high safety and the like.
[ utility model ]
The utility model aims to solve the problems in the prior art, and provides an energy storage system for storing heat of an electrode boiler coupling spherical tank, which can store electric energy in a high-parameter saturated hot water form when wind power, hydropower, photovoltaic, photo-thermal power generation and the like cannot access the internet, effectively eliminate new energy, relieve waste phenomena such as 'waste wind, waste light' and the like, and release heat when heat supply is needed.
In order to achieve the aim, the utility model provides an energy storage system for heat storage of an electrode boiler coupled spherical tank, which comprises an electrode boiler system, a spherical tank heat storage system and a water supplementing system, wherein the electrode boiler system and the spherical tank heat storage system are arranged in parallel in a coupling way, and the output end of the water supplementing system is connected with the electrode boiler system and the spherical tank heat storage system in parallel; the steam output end of the electrode boiler system is connected with the spherical tank heat storage system and the user side in parallel, and is used for conveying the steam generated by the electrode boiler system to the spherical tank heat storage system for storage or to the user side for heat supply; the electrode boiler system is connected to the user side through a boiler steam conveying pipeline, and the spherical tank heat storage system is connected to the boiler steam conveying pipeline through a steam pipeline and is used for storing steam generated by the electrode boiler system or supplying steam to the user side for heat supply. The system can be suitable for occasions where the variable parameter of the user side is supplied with steam and various load parameters at the same time, and has strong inclusion.
Preferably, the spherical tank heat storage system comprises a plurality of spherical heat storage tanks connected in parallel and heat storage tank water supplementing pipes respectively arranged on water supplementing ports of the spherical heat storage tanks, and water inlet ends of the heat storage tank water supplementing pipes are connected in parallel and then connected into an output end of the water supplementing system.
Preferably, the spherical tank heat storage system further comprises a steam input pipe, a steam heating pipe, a steam injector and a steam-water separator which are respectively arranged on each spherical heat storage tank, wherein the input end of the steam input pipe is connected with the output end of the steam heating pipe in parallel and then connected into the steam pipeline; the output end of the steam input pipe is connected with the steam injector, the input end of the steam heating pipe is connected with the spherical heat storage tank, and the input end of the steam heating pipe is provided with a steam-water separator.
Preferably, the water replenishing system comprises a primary water treatment device, a primary desalting water tank and a water supply pump set which are sequentially arranged along the water supply direction, wherein the input end of the primary desalting water tank is connected with the primary water treatment device and used for storing desalted water softened by the primary water treatment device, the output end of the primary desalting water tank is connected with the water supply pump set, and the output end of the water supply pump set is connected with the electrode boiler system and the water replenishing port of the spherical tank heat storage system in a parallel connection mode in two ways.
Preferably, the electrode boiler system comprises a secondary water treatment device, a secondary desalting water tank, a boiler water supplementing pump set and an electrode boiler body which are sequentially arranged along the water supply direction, wherein the input end of the secondary water treatment device is connected with the water supplementing system, the input end of the secondary desalting water tank is connected with the secondary water treatment device and used for storing desalted water softened by the secondary water treatment device, and the output end of the secondary desalting water tank is connected with the water supplementing port of the electrode boiler body through the boiler water supplementing pump set.
Preferably, the electrode boiler body is further provided with an internal circulation system, and the internal circulation system is provided with a boiler internal circulation pump set.
Preferably, the boiler steam conveying pipeline is connected to the user side through a steam supply pipeline, and a steam supply adjusting valve is arranged on the steam supply pipeline.
The utility model has the beneficial effects that:
1. the electrode boiler and the spherical heat storage tank are arranged in parallel in a coupling way, hot water and steam produced by the electrode boiler can be conveyed into the spherical heat storage tank to be stored in a high-parameter saturated hot water and steam mode, and can also be directly conveyed to a user side to supply heat.
2. The electrode boiler and spherical heat storage tank coupling energy storage system can realize a plurality of operation modes: the electrode boiler and the spherical heat storage tank are used for supplying steam simultaneously, the electrode boiler is used for supplying steam independently, the spherical heat storage tank is used for supplying steam independently, and the electrode boiler and the spherical heat storage tank are used for supplying steam jointly.
3. The electrode boiler and the spherical heat storage tank are arranged in parallel in a coupling way, the electrode boiler and the spherical heat storage tank are matched with each other, and the stability of heat supply steam at the user side can be ensured through the buffer balance effect of the spherical heat storage tank.
4. The steam supply pipeline is provided with a steam supply regulating valve which can regulate the proportion of steam supply and heat storage of the electrode boiler.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic diagram of an energy storage system for storing heat in an electrode boiler coupled spherical tank in accordance with the present utility model;
FIG. 2 is a schematic view of an electrode boiler system of the present utility model;
FIG. 3 is a schematic diagram of a spherical tank thermal storage system of the present utility model;
fig. 4 is a schematic diagram of the water replenishment system of the present utility model.
In the figure, a 1-electrode boiler system; 10-electrode boiler body; 11-a secondary water treatment device; 12-a secondary desalting water tank; 13-boiler water supplementing pump set; 14-a boiler internal circulation pump group; 15 high voltage electrodes; 2-a spherical tank heat storage system; 20-a spherical heat storage tank; 21-a water supplementing pipe of the heat storage tank; 22-steam input pipe; 23-steam heating pipe; 24-steam injector; 25-a steam-water separator; 3, a water supplementing system; 31-a primary water treatment device; 32-a primary desalting water tank; 33-a water supply pump group; 4-a steam supply regulating valve; 5-boiler steam delivery piping; 6-a steam supply pipeline; 7-steam pipeline.
[ detailed description ] of the utility model
Referring to fig. 1 to 4, the energy storage system for electrode boiler coupling spherical tank heat storage of the utility model comprises an electrode boiler system 1, a spherical tank heat storage system 2 and a water supplementing system 3, wherein the electrode boiler system 1 and the spherical tank heat storage system 2 are arranged in parallel in a coupling way, and the output end of the water supplementing system 3 is connected with the electrode boiler system 1 and the spherical tank heat storage system 2 in parallel and is used for supplying water for the electrode boiler system 1 and the spherical tank heat storage system 2; the steam output end of the electrode boiler system 1 is connected with the spherical tank heat storage system 2 and the user side in parallel, and is used for conveying the steam generated by the electrode boiler system to the spherical tank heat storage system 2 for storage in the form of high-parameter saturated hot water and steam or conveying the steam to the user side for heat supply; the electrode boiler system 1 is connected to a user side through a boiler steam conveying pipeline 5, and the spherical tank heat storage system 2 is connected to the boiler steam conveying pipeline 5 through a steam pipeline 7 and is used for storing steam generated by the electrode boiler system 1 or supplying the steam to the user side for heating.
Further, the spherical tank heat storage system 2 includes a plurality of parallel spherical heat storage tanks 20, and heat storage tank water supplementing pipes 21 respectively disposed on water supplementing ports of the spherical heat storage tanks 20, water inlet ends of the heat storage tank water supplementing pipes 21 are connected in parallel and then connected to an output end of the water supplementing system 3, and in this embodiment, a drain pipe is further disposed at a bottom of the spherical heat storage tanks 20.
Further, the spherical tank heat storage system 2 further comprises a steam input pipe 22, a steam heating pipe 23, a steam injector 24 and a steam-water separator 25 which are respectively arranged on each spherical heat storage tank 20, wherein the input end of the steam input pipe 22 is connected with the output end of the steam heating pipe 23 in parallel and then is connected with the steam pipeline 7; the output end of the steam input pipe 22 is connected to a steam injector 24, the input end of the steam heating pipe 23 is connected to the spherical heat storage tank 20, and the input end of the steam heating pipe 23 is provided with a steam-water separator 25.
Further, the water replenishing system 3 includes a primary water treatment device 31, a primary desalting water tank 32 and a water supply pump set 33 which are sequentially arranged along the water supply direction, wherein an input end of the primary desalting water tank 32 is connected with the primary water treatment device 31 and is used for storing desalted water softened by the primary water treatment device 31, an output end of the primary desalting water tank 32 is connected with the water supply pump set 33, and an output end of the water supply pump set 33 is connected with the water replenishing port of the electrode boiler system 1 and the spherical tank heat storage system 2 in a two-way parallel manner. In this embodiment, the water supply pump group 33 comprises at least two water supply pump bodies arranged in parallel.
Further, the electrode boiler system 1 comprises a secondary water treatment device 11, a secondary desalting water tank 12, a boiler water supplementing pump group 13 and an electrode boiler body 10 which are sequentially arranged along the water supply direction, a high-voltage electrode 15 is arranged on the electrode boiler body 10, the input end of the secondary water treatment device 11 is connected with the water supplementing system 3, the input end of the secondary desalting water tank 12 is connected with the secondary water treatment device 11 and is used for storing desalted water softened by the secondary water treatment device 11, and the output end of the secondary desalting water tank 12 is connected with a water supplementing port of the electrode boiler body 10 through the boiler water supplementing pump group 13. In this embodiment, the boiler makeup pump group 13 includes at least two makeup pump bodies arranged in parallel.
Further, the electrode boiler body 10 is further provided with an internal circulation system, and the internal circulation system is provided with a boiler internal circulation pump set 14, in this embodiment, the boiler internal circulation pump set 14 includes at least two circulation pump bodies arranged in parallel, and the running load of the electrode boiler is controlled by adjusting the flow of circulating water, so that stable hot water or steam production can be ensured.
Further, the boiler steam conveying pipeline 5 is connected to a user side through a steam supply pipeline 6, and the steam supply pipeline 6 is provided with a steam supply regulating valve 4.
Furthermore, the electrode boiler system 1 and the tank heat storage system 2 can be flexibly arranged according to the actual heat storage scale and the actual heat storage place, and a single/multiple spherical storage tank system can be configured by a single/multiple electrode boiler, and the 1 electrode boiler and the two spherical tanks shown in the embodiment are only one coupling mode. The system can be suitable for occasions where the variable parameter of the user side is supplied with steam and various load parameters at the same time, and has strong inclusion.
The working process of the utility model comprises the following steps:
the utility model relates to an energy storage system for electrode boiler coupling spherical tank heat storage, which is characterized in that an electrode boiler system 1 and a spherical tank heat storage system 2 are arranged in parallel in a coupling way, tap water is softened by a primary water treatment device 31 and stored in a primary desalting water tank 32, the desalted water after primary softening is output in two ways through a water supply pump set 33, one way is conveyed to a water supplementing port at the bottom of each spherical heat storage tank 20 through a heat storage tank water supplementing pipe 21, and the other way is conveyed to a secondary water treatment device 11 of the electrode boiler system 1 for secondary softening and stored in a secondary desalting water tank 12. The demineralized water after the second-stage softening is fed into the electrode boiler 10 via the boiler make-up water pump group 13. When the electricity is consumed in the valley period or the new energy wind power and the photoelectricity are needed, the electrode boiler 10 starts to work, desalted water is heated to generate steam, and the steam is conveyed to the spherical heat storage tank 20 for storage or conveyed to a user side for heat supply.
The energy storage system can be operated in the following modes according to requirements:
A. electrode boiler and spherical heat accumulation jar supply simultaneously: when the heat supply load is low, part of steam produced by the electrode boiler can be conveyed to the spherical heat storage tank for storage, and the other part of steam is conveyed to the user side for heat supply, so that the heat storage/heat supply ratio can be adjusted.
B. The electrode boiler supplies steam independently: when the heat storage capacity of the spherical heat storage tank is full, and the user needs to supply heat, the electrode boiler supplies heat to the user side independently, the spherical heat storage tank does not participate in heat supply, the low-valley power is fully consumed, and the heat supply load is adjustable.
C. The heat storage tank supplies steam independently: when the user needs to supply heat during the peak electricity period, the spherical heat storage tank is preferentially used for storing steam.
D. The electrode boiler and the spherical heat storage tank are combined for heat supply: when the heat supply load of a user is instantly lifted, the electrode boiler and the spherical heat storage tank can jointly supply steam, so that the heat supply requirement of short time and high load is met.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (7)
1. An energy storage system for heat storage of an electrode boiler coupling spherical tank is characterized in that: the solar energy heat storage system comprises an electrode boiler system (1), a spherical tank heat storage system (2) and a water supplementing system (3), wherein the electrode boiler system (1) and the spherical tank heat storage system (2) are arranged in parallel in a coupling mode, and the output end of the water supplementing system (3) is connected with the electrode boiler system (1) and the spherical tank heat storage system (2) in parallel; the steam output end of the electrode boiler system (1) is connected with the spherical tank heat storage system (2) and the user side in parallel, and is used for conveying the generated steam to the spherical tank heat storage system (2) for storage or the user side for heat supply; the electrode boiler system (1) is connected to a user side through a boiler steam conveying pipeline (5), and the spherical tank heat storage system (2) is connected to the boiler steam conveying pipeline (5) through a steam pipeline (7) and is used for storing steam generated by the electrode boiler system (1) or supplying heat for the user side.
2. An energy storage system for storing heat in an electrode boiler coupled spherical tank as in claim 1, wherein: the spherical tank heat storage system (2) comprises a plurality of spherical heat storage tanks (20) which are connected in parallel, and heat storage tank water supplementing pipes (21) which are respectively arranged on water supplementing ports of the spherical heat storage tanks (20), wherein water inlet ends of the heat storage tank water supplementing pipes (21) are connected in parallel and then connected into output ends of the water supplementing system (3).
3. An energy storage system for storing heat in an electrode boiler coupled spherical tank as claimed in claim 2, wherein: the spherical tank heat storage system (2) further comprises steam input pipes (22), steam heating pipes (23), steam ejectors (24) and steam-water separators (25) which are respectively arranged on the spherical heat storage tanks (20), wherein the input ends of the steam input pipes (22) are connected with the output ends of the steam heating pipes (23) in parallel and then connected into the steam pipeline (7); the output end of the steam input pipe (22) is connected with a steam injector (24), the input end of the steam heating pipe (23) is connected with the spherical heat storage tank (20), and the input end of the steam heating pipe (23) is provided with a steam-water separator (25).
4. An energy storage system for storing heat in an electrode boiler coupled spherical tank as in claim 1, wherein: the water replenishing system (3) comprises a primary water treatment device (31), a primary desalting water tank (32) and a water supply pump set (33) which are sequentially arranged along the water supply direction, wherein the input end of the primary desalting water tank (32) is connected with the primary water treatment device (31) and used for storing desalted water softened by the primary water treatment device (31), the output end of the primary desalting water tank (32) is connected with the water supply pump set (33), and the output end of the water supply pump set (33) is connected with the water replenishing port of the electrode boiler system (1) in parallel in two ways.
5. An energy storage system for storing heat in an electrode boiler coupled spherical tank as in claim 1, wherein: the electrode boiler system (1) comprises a secondary water treatment device (11), a secondary desalting water tank (12), a boiler water supplementing pump group (13) and an electrode boiler body (10) which are sequentially arranged along the water supply direction, wherein the input end of the secondary water treatment device (11) is connected with the water supplementing system (3), the input end of the secondary desalting water tank (12) is connected with the secondary water treatment device (11) and is used for storing desalted water softened by the secondary water treatment device (11), and the output end of the secondary desalting water tank (12) is connected with the water supplementing port of the electrode boiler body (10) through the boiler water supplementing pump group (13).
6. The energy storage system for storing heat in an electrode boiler coupled spherical tank of claim 5, wherein: an internal circulation system is also arranged on the electrode boiler body (10), and a boiler internal circulation pump set (14) is arranged on the internal circulation system.
7. An energy storage system for storing heat in an electrode boiler coupled spherical tank as in claim 1, wherein: the boiler steam conveying pipeline (5) is connected to a user side through a steam supply pipeline (6), and a steam supply regulating valve (4) is arranged on the steam supply pipeline (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320553427.9U CN219494952U (en) | 2023-03-16 | 2023-03-16 | Energy storage system for heat storage of electrode boiler coupling spherical tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320553427.9U CN219494952U (en) | 2023-03-16 | 2023-03-16 | Energy storage system for heat storage of electrode boiler coupling spherical tank |
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| CN219494952U true CN219494952U (en) | 2023-08-08 |
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| CN202320553427.9U Active CN219494952U (en) | 2023-03-16 | 2023-03-16 | Energy storage system for heat storage of electrode boiler coupling spherical tank |
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- 2023-03-16 CN CN202320553427.9U patent/CN219494952U/en active Active
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