CN217155104U

CN217155104U - Automatic supplementary cold and hot fused salt energy storage equipment of formula

Info

Publication number: CN217155104U
Application number: CN202123303690.2U
Authority: CN
Inventors: 吴晋兰; 唐华强; 张雪峰
Original assignee: Carbon Neutral Green Building Technology Suzhou Co ltd
Current assignee: Carbon Neutral Green Building Technology Suzhou Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-08-09
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses an automatic supplementary cold and hot molten salt energy storage device, wherein a tank body is provided with a heat-conducting medium cavity, a cold salt cavity and a hot salt cavity; the tank body is provided with a connecting pipe communicated with the heat-conducting medium cavity; a first partition plate is arranged between the heat-conducting medium cavity and the cold salt cavity; a second partition plate is arranged between the heat-conducting medium cavity and the hot salt cavity; a plurality of first flow guide pipes are arranged in the heat-conducting medium cavity; the first end of the first flow guide pipe is communicated with the cold salt cavity, and the second end of the first flow guide pipe is communicated with the hot salt cavity; a second guide pipe is distributed in the cold salt cavity, the first end of the second guide pipe is communicated with the heat-conducting medium cavity, and the second end of the second guide pipe is communicated with the connecting pipe; the connecting pipe is provided with a circulating pump body. The utility model discloses a single jar of body can realize the storage of cold fused salt and hot fused salt simultaneously, and the cold fused salt of mode through the current-limiting can continuously supply to the hot fused salt in, and cold salt can remain stably with transportation process in-temperature, effectively avoids cold fused salt to solidify the caking.

Description

Automatic supplementary cold and hot fused salt energy storage equipment of formula

Technical Field

The utility model relates to an energy storage technology field especially relates to an automatic cold and hot fused salt energy storage equipment of supplementary formula.

Background

At present, molten salt is a heat transfer and storage medium with excellent performance, has higher use temperature, good thermal stability, constant specific heat capacity, high heat transfer coefficient, lower manufacturing cost and the like, and is widely applied to the field of heat storage. The energy of valley electricity and distributed photovoltaic wind electricity is absorbed and stored in the molten salt, so that regional heat supply and hot water supply are provided for residential areas, office buildings, public institutions, high-speed railway stations, airports and the like, and the effects of carbon neutralization, energy saving and carbon reduction are achieved.

In the prior art, the molten salt is stored in two storage tanks. When the heat exchanger needs to be used, hot molten salt is sent to the heat exchange equipment through the molten salt pump so as to carry out heat exchange, and cold molten salt formed after the heat exchange flows back to the tank body to be stored. When the cold molten salt is stored in the tank body, heat is continuously dissipated, and the cold molten salt is easy to solidify and agglomerate, so that the molten salt is unsmooth in integral flow.

In addition, cold salt carries the energy storage that heaies up in the jar body of hot salt via the salt conveying pipeline, because salt conveying pipeline has certain length, cold salt is at salt conveying pipeline flow in-process, solidifies the caking easily, causes the conveying pipeline jam.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists above-mentioned, the utility model aims at: the utility model provides an automatic cold and hot fused salt energy storage equipment of supplementary formula, single jar of body can realize the storage of cold fused salt and hot fused salt simultaneously, and can continuously supply to hot molten salt through the cold fused salt of the mode of current-limiting, and cold salt can remain stable storing and transportation in-process temperature, effectively avoids cold fused salt to solidify and agglomerate.

The technical solution of the utility model is realized like this: an automatic cold and hot molten salt energy storage equipment of supplementary formula, includes the jar body: the tank body is internally provided with a heat-conducting medium cavity, a cold salt cavity positioned at the first side of the heat-conducting medium cavity and a hot salt cavity positioned at the second side of the heat-conducting medium cavity;

the tank body is provided with a connecting pipe communicated with the heat-conducting medium cavity; a first partition plate is arranged between the heat-conducting medium cavity and the cold salt cavity; a second partition plate is arranged between the heat-conducting medium cavity and the hot salt cavity;

a plurality of first flow guide pipes are arranged in the heat-conducting medium cavity; the first end of the first flow guide pipe is communicated with the cold salt cavity, and the second end of the first flow guide pipe is communicated with the hot salt cavity;

a second guide pipe is distributed in the cold salt cavity, the first end of the second guide pipe is communicated with the heat-conducting medium cavity, and the second end of the second guide pipe is communicated with the connecting pipe; a circulating pump body is arranged on the connecting pipe;

the apparatus comprises heating means for heating the heat transfer medium.

Further, the tank body is of a vertical structure; the cold salt cavity, the heat-conducting medium cavity and the hot salt cavity are sequentially arranged from top to bottom.

Furthermore, flow limiting holes are formed in the first partition plate and the second partition plate corresponding to the first flow guide pipe; the first end of the first flow guide pipe is butted with the flow limiting hole in the corresponding position on the first partition plate, and the second end of the first flow guide pipe is butted with the flow limiting hole in the corresponding position on the second partition plate.

Further, the apparatus includes a main pipe disposed outside the tank body; the second end of the second flow guide pipe penetrates out of the tank body and is communicated with the main pipeline; the main pipeline is communicated with the connecting pipe.

Further, a molten salt heater for heating molten salt is arranged in the hot salt cavity.

Further, the first partition plate and/or the second partition plate are made of heat conducting materials.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model discloses the cold salt chamber of storing cold salt, the hot salt chamber of storing hot salt and the heat-conducting medium chamber of depositing heat-conducting medium are divided to the partition in jar body for single jar of body can realize the storage of cold fused salt and hot fused salt simultaneously.

2. The utility model discloses a current limiting action of first guide flow tube, cold salt in the cold salt chamber can last the replenishment with certain velocity of flow and get into in the hot salt chamber to the energy storage that heaies up makes the fused salt energy storage that can evenly heat up.

3. The utility model discloses an install in the heat-conducting medium chamber first honeycomb duct for first honeycomb duct has predetermined temperature all the time, and the heat can be conducted to cold molten salt via first honeycomb duct, so as to avoid cold molten salt to solidify the caking in first honeycomb duct, thereby effectively prevent that first honeycomb duct from blockking up.

4. The utility model discloses a cooperation of the second honeycomb duct and the pump body is used, is arranged in the heat-conducting medium chamber, can circulate in the second honeycomb duct and flow to heat the intensification to cold salt chamber, can maintain the temperature of cold salt at certain degree, effectively avoid cold fused salt to solidify the caking in cold salt chamber.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

fig. 1 is a schematic three-dimensional structure diagram of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;

FIG. 3 is a three-dimensional cross-sectional view of FIG. 1;

FIG. 4 is a schematic three-dimensional view of the tank of FIG. 1 with parts removed;

wherein: 1. a tank body; 11. a cold salt chamber; 12. a heat conducting medium cavity; 13. a hot salt chamber; 14. a heat transfer medium outlet; 15. a hot salt outlet; 16. a cold salt inlet; 2. a first separator; 3. a second separator; 4. a first draft tube; 5. a second draft tube; 51. a main pipeline; 6. a connecting pipe; 61. a circulating pump body; 62. a heating device; 7. a molten salt heater; 8. a flow restriction orifice; 9. and (7) a cover plate.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Fig. 1-4 show that the utility model discloses an automatic cold and hot molten salt energy storage equipment of replenishment formula, this equipment links to each other with user's heat exchanger to form the molten salt circulation circuit. The apparatus comprises a tank 1. The tank body 1 is of a vertical structure, and the top surface of the tank body is open. The cover plate 9 is mounted on the tank body 1 in a flange connection manner to cover the opening. The tank body 1 is internally provided with a heat-conducting medium cavity 12, a cold salt cavity 11 positioned at the first side of the heat-conducting medium cavity 12 and a hot salt cavity 13 positioned at the second side of the heat-conducting medium cavity 12. Wherein, the cold salt cavity 11, the heat-conducting medium cavity 12 and the hot salt cavity 13 are sequentially arranged from top to bottom. The cold salt chamber 11 is used for storing the returned cold molten salt, and the hot salt chamber 13 is used for storing the hot molten salt. The heat conducting medium cavity 12 is used for storing a heat conducting medium. The heat transfer medium in this embodiment is liquid, and is preferably heat transfer oil. The hot salt chamber 13 is fitted with a molten salt heater 7 for heating the molten salt, the molten salt heater 7 being conventional in the art, preferably an electric heater.

A heat-conducting medium outlet 14 communicated with the heat-conducting medium cavity 12 is processed on the tank body 1, and the heat-conducting medium outlet 14 is connected with a connecting pipe 6 through a flange, so that the connecting pipe 6 can be communicated with the heat-conducting medium cavity 12. The heat-conducting medium can enter the connecting pipe 6 from the heat-conducting medium chamber 12. A first partition plate 2 is arranged between the heat-conducting medium cavity 12 and the cold salt cavity 11 to separate the two cavities. And a second partition plate 3 is arranged between the heat-conducting medium cavity 12 and the hot salt cavity 13 so as to separate the two cavities. The inside at body 1 is all fixed through sealed mode to first baffle 2 and the second baffle 3 of this embodiment, and first baffle 2 and second baffle 3 are made by the heat conduction material and are formed.

A plurality of first flow-guide tubes 4 are arranged in the heat-conducting medium cavity 12, and the first flow-guide tubes 4 are made of heat-conducting materials and are soaked in the heat-conducting medium. The first end of the first draft tube 4 is communicated with the cold salt cavity 11, and the second end is communicated with the hot salt cavity 13. The cold salt in the cold salt chamber 11 can flow into the hot salt chamber 13 through the first draft tube 4. The first draft tube 4 has an inner diameter designed to allow the cold salt to pass through the first draft tube 4 at a certain flow rate. The number of first flow ducts 4 depends on the actual design. And second flow guide pipes 5 are distributed and installed in the cold salt cavity 11, and the second flow guide pipes 5 are made of heat conduction materials. The first end of the second flow guide pipe 5 is communicated with the heat conducting medium cavity 12, and the second end penetrates out of the cover plate 9 along the preset direction and is communicated with the connecting pipe 6. The connecting pipe is provided with a circulation pump body 61. The circulation pump 61 is used to drive the heat transfer medium out of the heat transfer medium chamber 12 and along the connection pipe 6. The heat-conducting medium flows along the connecting pipe 6, passes through the second flow guide pipe 5 and enters the heat-conducting medium cavity 12 again. The heat transfer medium can be circulated in the connecting pipe 6 and the second flow guide pipe 5 by driving the circulation pump body 61. A heating device 62 for heating the heat transfer medium is mounted on the connection pipe. The heating device 62 in this embodiment is an electric heater. The heating device 62 may also be installed in the heating medium chamber 12.

In this embodiment, the first partition plate 2 and the second partition plate 3 are provided with flow limiting holes 8 corresponding to the first flow guide pipe 4. The flow restriction orifice 8 has a designed caliber which cooperates with the first flow duct 4 to achieve a certain flow rate of cold salt through the first flow duct 4 into the hot salt chamber 13. The first end of the first flow guide pipe 4 is butted with the flow limiting hole 8 which is positioned at the corresponding position on the first partition plate 2 and is fixed on the first partition plate 2 in a welding mode, and the second end is butted with the flow limiting hole 8 which is positioned at the corresponding position on the second partition plate 3 and is fixed on the second partition plate 3 in a welding mode. .

The apparatus of this embodiment comprises a main pipe 51 mounted to the exterior of the tank 1. The second ends of the second flow guide pipes 5 penetrate out of the cover plate 9 and are communicated with the main pipe 51. The main pipe 51 communicates with a connection pipe.

A cold salt inlet 16 communicating with the cold salt chamber 11 and a hot salt outlet 15 communicating with the hot salt chamber 13 are also arranged on the tank 1.

In operation, cold salt is returned to the cold salt chamber 12 via the cold salt inlet 16 for storage. The stored cold salt enters the hot salt chamber 13 via the flow restriction orifice 8 and the first flow guide tube 4 at a certain flow rate and is stored. The molten salt heater 7 heats up the molten salt in the hot salt cavity 13 for storing energy. The heat-conducting medium is driven by the circulating pump body 61 to circularly flow in the connecting pipe 6 and the second flow guide pipe 5. When the heat-conducting medium flows through the second flow guide pipe 5, the cold salt cavity 11 is heated to raise the temperature, so as to maintain the temperature of the cold salt at a certain degree. The heat-conducting medium heats the cold molten salt flowing through the first flow guide pipe 4 so as to avoid the cold molten salt from solidifying and caking in the first flow guide pipe 4.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification does, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. An automatic cold and hot molten salt energy storage equipment of supplementary formula, includes the jar body: the tank body is internally provided with a heat-conducting medium cavity, a cold salt cavity positioned at the first side of the heat-conducting medium cavity and a hot salt cavity positioned at the second side of the heat-conducting medium cavity; the method is characterized in that:

the apparatus comprises heating means for heating the heat transfer medium.

2. An automatic replenishment type cold and hot molten salt energy storage device according to claim 1, characterized in that: the tank body is of a vertical structure; the cold salt cavity, the heat-conducting medium cavity and the hot salt cavity are sequentially arranged from top to bottom.

3. An automatic replenishment type cold and hot molten salt energy storage device according to claim 1, characterized in that: flow limiting holes are formed in the first partition plate and the second partition plate corresponding to the first flow guide pipe; the first end of the first flow guide pipe is butted with the flow limiting hole in the corresponding position on the first partition plate, and the second end of the first flow guide pipe is butted with the flow limiting hole in the corresponding position on the second partition plate.

4. An automatic replenishment type cold and hot molten salt energy storage device according to claim 1, characterized in that: the equipment comprises a main pipeline arranged outside the tank body; the second end of the second flow guide pipe penetrates out of the tank body and is communicated with the main pipeline; the main pipeline is communicated with the connecting pipe.

5. An automatic replenishment type cold and hot molten salt energy storage device according to claim 1, characterized in that: and a molten salt heater for heating molten salt is arranged in the hot salt cavity.

6. An automatic replenishment type cold and hot molten salt energy storage device according to claim 1, characterized in that: the first separator plate and/or the second separator plate are made of a heat conductive material.