CN215114116U

CN215114116U - Energy storage device

Info

Publication number: CN215114116U
Application number: CN202120597617.1U
Authority: CN
Inventors: 赵黎明; 赵迪超; 杨德志
Original assignee: Suzhou Dolphin Environmental Protection And Energy Saving Technology Co Ltd
Current assignee: Suzhou Dolphin Environmental Protection And Energy Saving Technology Co Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-10
Anticipated expiration: 2031-03-24

Abstract

The utility model provides an energy storage device at first includes heating furnace subassembly and solar energy component, can perhaps switch two sets of heating element to heating oil heating simultaneously to make full use of waste heat or the energy of nature. Secondly, an upper space and a lower space are arranged in the box body, and the pipe body in the energy storage box is honeycomb-shaped and has a certain inclination angle. Therefore, the oil entering the oil pipe can be sprayed into the upper space through the holes, so that the heat conduction oil can be sprayed on the pipe body more uniformly. Meanwhile, the inclined tube bodies are arranged in a honeycomb manner, so that heat conduction oil can be fully filled into the box body, and the purpose of full heat exchange is achieved. Two sides of the tube body in the box body are opened, so that phase change pressure generated when the phase change material is changed from solid to liquid can be released, and the pressure on the tube body is reduced.

Description

Energy storage device

Technical Field

The utility model relates to an energy memory, in particular to can be with phase change material leading-in storage tube internal energy memory smoothly to can realize.

Background

With the global day-night shortage of energy and the improvement of energy-saving consciousness of people, in order to realize better supply and demand time matching in energy utilization, novel heat energy storage technologies are being actively developed around the world. The prior heat energy storage technology is mainly divided into water heat storage and solid material heat storage according to different carriers.

The heat storage of water is to heat water to a certain temperature, store heat energy in the water in the form of sensible heat, and release the heat energy to provide heating or directly serve as hot water for people to use when the heat energy is needed. Generally, the heat storage temperature of water is in the range of 40 to 100 ℃. According to different use occasions, the heat storage temperature of domestic water is 40-70 ℃, and the domestic water can be directly used; for drinking boiled water, the water can be stored to 100 ℃; for an air conditioning system with a fan coil at the tail end, the heat storage temperature is generally 90-98 ℃; for a heating system with a radiator at the tail end, the heat storage temperature is 90-100 ℃ or higher. However, the disadvantages of water heat storage are large building area and low heat efficiency, and the water heat storage cannot be applied to industrial heat application requiring a temperature of about 200 ℃ due to the limitation of 100 ℃.

In industrial heat application, a solid material heat storage carrier is the most ideal and feasible, and phase change material heat storage is the best choice for solid material heat storage. The solid material heat accumulator stores heat through the phase change material. The phase-change heat storage is one of solid materials, realizes energy conversion by absorbing (releasing) a large amount of heat in the phase-change (solid-liquid or solid-solid) process of the phase-change material, and has high energy storage density and high efficiency, and the heat absorbing and releasing process is almost carried out under the isothermal condition. It can store energy and release it when it is needed. Heat storage through phase change materials has been studied at home and abroad and is relatively mature.

In the prior art, phase change heat storage is realized through a phase change heat storage device. Conventional phase change heat storage devices typically introduce a flowable heatable medium (e.g., mineral oil) into an energy storage tank by recovering energy and heating the medium to a temperature. The energy storage box body is internally provided with a phase-change material (such as a molten salt phase-change material), and the flowing heatable medium conducts heat to the phase-change material, so that the phase-change material is subjected to melting change (such as solid phase changing into liquid phase) to change the heat into chemical energy for storage. When heat is released, solidification changes (liquid phase changes into solid phase), and the phase-change material transfers the heat to the flowing heat-conducting medium to be taken away.

For example, a chinese utility model patent with 201220468883.5 entitled composite phase change energy storage device provides a device for storing energy by using phase change material. The patent comprises a heat storage tank, a phase-change material is packaged in the heat storage tank, a conduit is distributed in the heat storage tank, and a heat-conducting medium flows in the conduit. The heat conducting medium transfers the phase change heat or absorbs the heat released by the phase change material through the conduit. The heat storage device provided in this patent has several disadvantages: 1. the heat conducting medium is contacted with the phase-change material through the conduit to exchange heat, the contact area is limited, the heat release speed is low, and the heat storage speed is low. Although the catheter adopts the coiled pipe arrangement, the energy release and absorption can not be fully realized; 2. the phase-change material is wrapped around the conduit, and because the phase-change material is solidified due to the change of the crystalline phase structure after repeated heating, a layer of material which can not realize phase change is solidified on the conduit to prevent heat conduction between the heat-conducting medium and the phase-change material.

An improved technical scheme is provided in the Chinese utility model patent with the name of 201310025636.7, namely a heat storage device. It is still the heat transfer achieved by the heat conducting means in the conduit and arranging the conduit as a serpentine coiled upwardly seeks to increase the heat transfer area. The improvement point is that a liquid sensible heat storage material is arranged between the conduit and the phase change material. Attempts have been made to fill the gaps in the thermal storage tank with liquid sensible heat storage material to achieve uniform heat transfer throughout the thermal storage tank and to prevent sheeting of the phase change material on the conduit. But the disadvantage is that the heat transfer efficiency is greatly reduced after two times of phase change conversion.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an energy storage device, its purpose provides one kind and can make the induction oil fully flow in the energy storage box to realize flowing in or flowing out in the washpipe that phase change material can be smooth, make things convenient for the transport and the use of energy storage box, finally realize energy storage device's high efficiency and utilize the energy storage.

An energy storage device is characterized by comprising a heating furnace assembly, a solar assembly, a control assembly and an energy storage box;

the heating furnace assembly and the solar assembly are respectively communicated with a heat conduction oil pipe, and the heat conduction oil pipe is communicated with an external heat conduction oil storage device, so that the heat conduction oil can be heated by the heating furnace assembly or the solar assembly after passing through the heat conduction oil pipe; the control assembly is used for switching heating of the heating furnace assembly and the solar assembly to heat conduction oil, and the control system comprises a sensing detection element, an electric valve and a system control cabinet; the energy storage box comprises an energy storage box body,

the oil-gas separation tank comprises a tank body, wherein an upper partition plate is arranged on the upper portion of the tank body, a lower partition plate is arranged on the lower portion of the tank body, an inclined upper space is formed between the plane of the upper partition plate and the upper surface of the tank body, an inclined lower space is formed between the plane of the lower partition plate and the lower surface of the tank body, an oil inlet pipe is arranged in the upper space, and an oil outlet pipe is arranged in the lower space.

Furthermore, a plurality of pipe bodies used for containing the phase-change materials are transversely arranged in the box body. Furthermore, grooves for leading in the phase change materials are arranged on two sides of the box body, and the open positions of the grooves are connected with two ends of the pipe body.

Furthermore, the both sides of box be provided with salt injection mouth and clear salt mouth respectively, the top that the salt injection mouth is located the box be used for to the inslot injecting phase change material, clear salt mouth be located the below of box be used for exporting the phase change material in the groove.

Furthermore, a plurality of holes are uniformly formed on the oil inlet pipe and the oil outlet pipe.

Furthermore, the tube body is arranged in the box body in a honeycomb manner.

Furthermore, a conduction oil export interface is arranged on one side of the energy storage box.

The utility model discloses the beneficial effect who gains lies in, at first including heating furnace subassembly and solar energy component, can perhaps switch two sets of heating element to heating oil heating simultaneously to make full use of waste heat or the energy of nature. Secondly, an upper space and a lower space are arranged in the box body, and the pipe body in the energy storage box is honeycomb-shaped and has a certain inclination angle. Therefore, the oil entering the oil pipe can be sprayed into the upper space through the holes, so that the heat conduction oil can be sprayed on the pipe body more uniformly. Meanwhile, the inclined tube bodies are arranged in a honeycomb manner, so that heat conduction oil can be fully filled into the box body, and the purpose of full heat exchange is achieved. Two sides of the tube body in the box body are opened, so that phase change pressure generated when the phase change material is changed from solid to liquid can be released, and the pressure on the tube body is reduced. The device is provided with a groove, phase-change materials are poured into the groove, and an oil inlet pipe is arranged in the box body and is filled with high-temperature oil. After the phase-change material is melted by the high-temperature oil, the liquid phase-change material is poured into the pipe body from the pipe body opening. Therefore, the empty pipe body and the energy storage box can be combined and then conveyed to a use scene to be refilled with the phase-change material, and the use and the installation are convenient. The body is open, only need heat the body when the body needs to be emptied after, phase change material will flow along the groove, and the clear salt mouth derives the convenient cleanness of energy storage box.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic structural view of an energy storage tank of the present invention;

FIG. 2 is a side view of FIG. 1;

fig. 3 is the overall structure schematic diagram of the middle energy storage device of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the embodiment, as shown in fig. 1, an energy storage device includes an energy storage tank 1, an upper partition plate 2 is disposed on the upper portion of the energy storage tank 1, a lower partition plate 3 is disposed on the lower portion of the energy storage tank 1, an inclined upper space 11 is formed between a plane of the upper partition plate and the upper surface of the tank body, an inclined lower space 12 is formed between a plane of the lower partition plate and the lower surface of the tank body, an oil inlet pipe 4 is disposed in the upper space, and an oil outlet pipe 5 is disposed in the lower space. And a heating furnace assembly 6, a solar energy assembly 7 and a control assembly 8.

As shown in fig. 3, the heating furnace assembly 6 and the solar assembly 7 are respectively communicated with a heat conduction oil pipe 9, and the heat conduction oil pipe 9 is communicated with an external heat conduction oil storage device, so that the heat conduction oil can be heated by the heating furnace assembly 6 or the solar assembly 7 after passing through the heat conduction oil pipe; the control assembly 8 is used for switching heating of the heating furnace assembly and the solar assembly to heat conducting oil, and the control system comprises a sensing detection element, an electric valve and a system control cabinet.

A plurality of pipe bodies 10 for containing phase change materials are transversely arranged in the energy storage box 1. Salt tanks 11 for leading in phase change materials are arranged on two sides of the energy storage box 1, and the open positions of the salt tanks 11 are connected with two ends of the pipe body 10. Energy storage box 1's both sides be provided with respectively and annotate salt mouth 13 and clear salt mouth 14, the top that notes salt mouth is located the box be used for injecting phase change material into in the salt groove 11, the below that clear salt mouth is located the box be used for exporting the phase change material in the salt groove 11. The pipe body is uniformly provided with a plurality of holes. The tube body 10 is arranged in the box body in a honeycomb shape. And a heat conduction oil leading-out interface is arranged on one side of the energy storage box.

As shown in fig. 2, a plurality of tubes 10 for containing phase change materials are transversely arranged in the box body, and the tubes are arranged in the box body in a honeycomb manner. The two ends of the pipe body 10 are opened and are connected with the salt tanks 7 arranged on the two sides of the box body. The upper part of the salt tank 7 is provided with a salt inlet 8, and the lower part of the salt tank 7 is provided with a salt cleaning port 9. Holes are uniformly distributed on the oil inlet pipe 4 and the oil outlet pipe 5.

When in use, high-temperature oil or other flowing media with the same high temperature are injected through the oil inlet pipe 4. High-temperature oil is injected into the box body through the holes on the oil inlet pipe 4 and fills the whole energy storage box 1 from the gap between the pipe bodies 10. Meanwhile, the oil outlet pipe 5 is also provided with a hole, and high-temperature oil can enter the oil outlet pipe 5 from the hole and flow out of the box body.

The high temperature oil has a high temperature, and the salt tank 7 is in contact with the high temperature oil or in indirect contact with the high temperature oil. A salt inlet 8 is arranged above the salt tank 7, and the phase-change material is added into the salt inlet 8 and then is melted into liquid state to flow into the pipe body 10. It is noted that the tube 10 is at a significant angle of inclination within the energy storage tank 1, so that the tube can be filled with a liquid phase change material. And an open space high-temperature oil is arranged in the upper space 11 and the lower space 12, and a spraying distance is reserved between the high-temperature oil and the hole of the oil inlet pipe 4, so that the high-temperature oil can be well contacted with the pipe body, and the high-temperature oil can be well contacted with the pipe body 10 to realize heat exchange. The liquid phase change material flowing out of the pipe body 10 can also flow out of the salt cleaning port 9.

Firstly, the two sides of the tube body are opened, so that the phase change pressure generated when the phase change material is changed from solid to liquid can be released, and the pressure on the tube body is reduced. Secondly, a groove is arranged on the device, phase-change materials are poured into the groove, and an oil inlet pipe is arranged in the box body and is filled with high-temperature oil. After the phase-change material is melted by the high-temperature oil, the liquid phase-change material is poured into the pipe body from the pipe body opening. Therefore, the empty pipe body and the energy storage device can be combined and then conveyed to a use scene to be refilled with the phase-change material, and the use and the installation are convenient. And thirdly, the pipe body is opened, when the pipe body needs to be emptied, the phase-change material flows out along the groove only after the pipe body needs to be heated, and the salt cleaning port leads the energy storage device out to be convenient to clean.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An energy storage device is characterized by comprising a heating furnace assembly, a solar assembly, a control assembly and an energy storage box;

the heating furnace assembly and the solar assembly are respectively communicated with a heat conduction oil pipe, and the heat conduction oil pipe is communicated with an external heat conduction oil storage device, so that the heat conduction oil can be heated by the heating furnace assembly or the solar assembly after passing through the heat conduction oil pipe; the control assembly is used for switching heating of the heating furnace assembly and the solar assembly to heat conduction oil, and comprises a sensing detection element, an electric valve and a system control cabinet;

the energy storage box comprises an energy storage box body,

2. The energy storage device as claimed in claim 1, wherein a plurality of tubes for containing phase change material are disposed transversely in the tank.

3. An energy storage device as claimed in claim 2, wherein slots for introducing phase change material are provided on both sides of the casing, the open positions of the slots engaging with both ends of the tube.

4. The energy storage device of claim 3, wherein a salt injection port and a salt cleaning port are respectively arranged on two sides of the box body, the salt injection port is located above the box body and used for injecting the phase-change materials into the tank, and the salt cleaning port is located below the box body and used for guiding out the phase-change materials in the tank.

5. The energy storage device of claim 4, wherein a plurality of holes are uniformly formed in the oil inlet pipe and the oil outlet pipe.

6. An energy storage device as claimed in any one of claims 2 to 5 wherein said tubular body is disposed within the tank in a honeycomb configuration.

7. The energy storage device as claimed in claim 6, wherein a conduction oil outlet is arranged on one side of the energy storage box.