Molten salt heat storage energy-saving device

By introducing a multi-layer insulation structure and a solar power generation system into the molten salt thermal storage device, the problem of heat dissipation during molten salt storage is solved, achieving high efficiency, energy saving, and stable output.

CN223710359UActive Publication Date: 2025-12-23JIANGSU ZHONGREN ENERGY SAVING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520055252.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-12-23
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Traditional thermal storage devices lose a lot of heat during the storage of molten salt, resulting in poor energy efficiency.

Method used

It adopts a multi-layer composite insulation structure, including an insulation cavity, a vacuum cavity and a heat insulation cavity, and is equipped with an electric heating tube and a solar power generation system. Combined with a spiral output mechanism, it can achieve stable output of molten salt.

Benefits of technology

It effectively reduces heat loss, improves energy-saving performance, maintains stable temperature, and achieves efficient and environmentally friendly thermal storage applications.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223710359U_ABST
Patent Text Reader

Abstract

The utility model discloses a fused salt heat storage energy-saving device, relates to the technical field of heat storage energy-saving devices, and aims to solve the problems that in the prior art, heat is dissipated outwards in the fused salt storage process, so that more heat loss is caused, and the energy-saving performance is poor. The device comprises a device tank body, a storage cavity is formed in the device tank body, a heat preservation cavity is formed in the device tank body along the outer side of the storage cavity, an electric heating pipe is fixedly installed on the lower portion of the interior of the heat preservation cavity of the device tank body, and equipment boxes are symmetrically and fixedly installed on the two sides of the upper portion of the device tank body correspondingly; and a solar cell panel is fixedly installed above the equipment box, a vacuum cavity is formed in the device tank body along the outer side of the heat preservation cavity, a heat insulation cavity is formed in the device tank body along the outer side of the vacuum cavity, and the heat insulation cavity is filled with a heat insulation layer.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heat -accumulating energy -conserving device technical field, concretely is a kind of molten salt heat -accumulating energy -conserving device. BACKGROUND

[0002] Molten salt refers to the molten body formed after salt is melted at high temperature, and the main components of molten salt include halides, nitrates and sulfates of alkali metals and alkaline earth metals. Molten salt is a liquid ionic compound at high temperature, which has high heat capacity, good thermal conductivity and stability. During the molten salt heat exchange process, the heated molten salt needs to be input into the heat storage device for storage.

[0003] For example, the patent with the announcement number CN202928422U (molten salt heat storage device) includes a main molten salt tank, a secondary molten salt tank, a molten salt pump, and a connecting pipeline. The bottom of the main molten salt tank is connected to the bottom of the secondary molten salt tank through the connecting pipeline, and the molten salt pump is installed at the discharge port of the secondary molten salt tank.

[0004] Although the above-mentioned prior art increases the storage capacity of molten salt and greatly reduces the cost of the entire molten salt heat storage device, the tank body of the traditional heat storage device does not have a specific stable heat preservation structure, which causes the emission of heat to the outside during the storage of molten salt, resulting in a large amount of heat loss and poor energy saving. Therefore, there is an urgent need to develop a molten salt heat storage energy-saving device to help people solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a molten salt heat storage energy-saving device to solve the problem of heat emission to the outside during the storage of molten salt, resulting in a large amount of heat loss and poor energy saving as mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a molten salt heat storage energy-saving device, including a device tank body, a storage cavity is arranged inside the device tank body, a heat preservation cavity is arranged along the outside of the storage cavity inside the device tank body, an electric heating tube is fixedly installed below the inside of the heat preservation cavity of the device tank body, equipment boxes are symmetrically fixedly installed on both sides of the upper part of the device tank body, and a solar cell panel is fixedly installed on the upper part of the equipment box.

[0007] Preferably, a vacuum cavity is arranged along the outside of the heat preservation cavity inside the device tank body, a heat insulation cavity is arranged along the outside of the vacuum cavity inside the device tank body, and a heat insulation layer is filled in the inside of the heat insulation cavity.

[0008] Preferably, the lower side of the device tank body is fixedly provided with an output box, an output mechanism is arranged in the output box, one end of the output mechanism extends into the storage cavity of the device tank body, the output mechanism comprises an output rod and output blades, the output rod is rotatably connected with the output box, and the output blades are fixedly arranged on the outer side of the output rod.

[0009] Preferably, the side of the output box is fixedly provided with a power box, an electric motor is arranged in the power box, the electric motor is fixedly connected with the output box, and the output end of the electric motor is fixedly connected with the output rod.

[0010] Preferably, the lower side of the output box is fixedly provided with an electric valve, and the lower side of the electric valve is fixedly provided with an output pipe.

[0011] Preferably, the lower side of the output box is fixedly provided with a bottom plate, and the lower side of the device tank body is fixedly provided with supporting legs.

[0012] Preferably, the middle of the upper side of the device tank body is fixedly provided with a feeding pipe, and the upper side of the feeding pipe is provided with a sealing cover.

[0013] Compared with the prior art, the device has the advantages that:

[0014] The device tank body is provided with a heat preservation cavity along the outer side of the storage cavity, and an electric heating pipe is arranged, so that heat energy can be supplemented when necessary, the heat loss of molten salt is reduced, the solar cell panel arranged on the upper side of the equipment box, the storage battery, the controller and the inverter arranged in the equipment box form a self-sufficient solar power generation structure, and green and sustainable energy support is provided for the device, so that the energy saving performance is improved while the heat loss is reduced, and efficient and environmentally-friendly heat storage application is realized.

[0015] The device is provided with a vacuum cavity and a heat insulation cavity, and the heat insulation cavity is filled with a heat insulation layer, so that the heat preservation performance of the device is further improved, the existence of the vacuum cavity effectively reduces heat conduction, and the heat insulation layer further hinders heat radiation and convection, so that the device can maintain a more stable temperature during long-time heat storage, the invalid loss of heat energy is reduced, and the energy saving performance is improved.

[0016] The device is provided with an output mechanism, including an output rod and a spiral output blade, so that the molten salt can be orderly and controllably output, the spiral blade can uniformly and continuously push the molten salt from the storage cavity to the output pipe along with the rotation of the output rod, and the stability of the output is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the molten salt heat storage and energy saving device.

[0018] Figure 2 It is a sectional view of the molten salt heat storage energy-saving device of the utility model;

[0019] Figure 3 It is an enlarged schematic view of the A part of the utility model;

[0020] Figure 4 It is a sectional view of the output box of the utility model.

[0021] In the figure: 1, device tank body; 101, storage cavity; 102, heat preservation cavity; 103, vacuum cavity; 104, heat insulation cavity; 2, feed pipe; 3, sealing cover; 4, supporting leg; 5, output box; 6, equipment box; 7, solar cell panel; 8, electric heating tube; 9, heat insulation layer; 10, output mechanism; 1001, output rod; 1002, output blade; 11, electric valve; 12, output pipe; 13, power box; 14, motor; 15, bottom plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: a molten salt heat storage energy-saving device, including device tank body 1, the inside of device tank body 1 is provided with storage cavity 101, the inside of device tank body 1 is provided with heat preservation cavity 102 along the outside of storage cavity 101, the lower part of the inside of the heat preservation cavity 102 of device tank body 1 is fixedly installed with electric heating tube 8, the both sides of the upper part of device tank body 1 are respectively fixedly installed with equipment box 6, the inside of equipment box 6 is provided with battery, controller, inverter and other equipment for solar power generation, the upper part of equipment box 6 is fixedly installed with solar cell panel 7.

[0024] When using, by setting heat preservation cavity 102 along the outside of storage cavity inside device tank body, and the lower part of electric heating tube 8 is fixedly installed in heat preservation cavity 102, heat energy can be supplemented when necessary, and the heat loss of molten salt is reduced, at the same time, the solar cell panel 7 installed on the upper part of equipment box 6 and the battery, controller, inverter and other equipment equipped inside form a self-sufficient solar power generation structure, which provides green and sustainable energy support for the device, so that the energy-saving performance is improved while reducing heat loss, and efficient and environmentally friendly heat storage application is realized.

[0025] Further, the inside of the device tank body 1 is provided with a vacuum cavity 103 along the outside of the heat preservation cavity 102, and the inside of the device tank body 1 is provided with a heat insulation cavity 104 along the outside of the vacuum cavity 103, and the inside of the heat insulation cavity 104 is filled with a heat insulation layer 9.

[0026] By setting the vacuum cavity 103 and the heat insulation cavity 104, and filling the heat insulation layer 9 in the heat insulation cavity 104, the multi-layer composite heat preservation structure further improves the heat preservation performance of the device. The existence of the vacuum cavity 103 effectively reduces heat conduction, and the heat insulation layer 9 further hinders heat radiation and convection, so that the device can maintain a more stable temperature during a long heat storage process, reduce the invalid loss of heat energy, and increase energy saving.

[0027] Further, the lower side of the device tank body 1 is fixedly installed with an output box 5, the inside of the output box 5 is provided with an output mechanism 10, one end of the output mechanism 10 extends into the storage cavity 101 of the device tank body 1, the output mechanism 10 includes an output rod 1001 and an output blade 1002, the output rod 1001 is rotatably connected with the output box 5, and the output blade 1002 is fixedly installed on the outside of the output rod 1001. The output blade 1002 is provided in the form of a spiral blade.

[0028] By introducing the output mechanism 10, including the output rod 1001 and the spiral output blade 1002, the orderly and controllable output of the molten salt is realized. The spiral blade can uniformly and continuously push the molten salt from the storage cavity 101 to the output pipe 12 along with the rotation of the output rod 1001, which not only ensures the stability of the output, but also improves the flexibility of the utilization of the molten salt.

[0029] Further, the side of the output box 5 is fixedly installed with a power box 13, the inside of the power box 13 is provided with an electric motor 14, the electric motor 14 is fixedly connected with the output box 5, and the output end of the electric motor 14 is fixedly connected with the output rod 1001.

[0030] The setting of the electric motor 14 can drive the rotation of the output rod 1001, and then realize the rotation of the output mechanism 10, which is conducive to the output of the molten salt.

[0031] Further, the lower side of the output box 5 is fixedly installed with an electric valve 11, and the lower side of the electric valve 11 is fixedly installed with an output pipe 12.

[0032] The configuration of the electric valve 11 and the output pipe 12 facilitates the device to quickly adjust the output flow of the molten salt according to the demand, and improves the practicability.

[0033] Further, the lower side of the output box 5 is fixedly installed with a bottom plate 15, and the lower side of the device tank body 1 is fixedly installed with a supporting leg 4.

[0034] The bottom plate 15 increases the stability of the output box 5, and the supporting legs 4 ensure the proper distance of the device from the ground, avoiding the influence of ground moisture, unevenness and other factors on the performance of the device, prolonging the service life.

[0035] Further, the middle of the device tank 1 is fixedly installed with a feeding pipe 2, and a sealing cover 3 is arranged above the feeding pipe 2.

[0036] The arrangement of the feeding pipe 2 facilitates the addition of molten salt and increases the practicability of the device.

[0037] Working principle: when in use, the device tank 1 is internally provided with a storage cavity 101 for storing molten salt, and the outside is sequentially provided with a heat preservation cavity 102, a vacuum cavity 103 and an insulation cavity 104 to form a multi-layer composite heat preservation structure, effectively reducing heat conduction, heat radiation and convection, reducing the heat loss of the molten salt, and the electric heating pipe 8 installed below the inside of the heat preservation cavity 102 can supplement heat energy when necessary, maintaining the temperature stability inside the storage cavity 101, and the solar cell panel 7 above the equipment box 6 and the internal battery, controller, inverter and the like form a self-sufficient solar power generation structure to provide green energy for the device, and the output box 5 on one side below the device tank 1 realizes the orderly and controllable output of the molten salt through the internally arranged output mechanism 10, including the output rod 1001 and the spiral output blade 1002 driven by the motor 14.

[0038] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A molten salt heat storage energy saving device comprising a device tank body (1), characterized in that: The inside of the device tank body (1) is provided with a storage cavity (101), the inside of the device tank body (1) is provided with a heat preservation cavity (102) along the outside of the storage cavity (101), the lower part of the inside of the heat preservation cavity (102) of the device tank body (1) is fixedly installed with an electric heating pipe (8), the upper part of the device tank body (1) is fixedly installed with an equipment box (6) on both sides respectively, the upper part of the equipment box (6) is fixedly installed with a solar cell panel (7).

2. The molten salt heat storage and energy saving device according to claim 1, characterized in that: The inside of the device tank body (1) is provided with a vacuum cavity (103) along the outside of the heat preservation cavity (102), the inside of the device tank body (1) is provided with a heat insulation cavity (104) along the outside of the vacuum cavity (103), the inside of the heat insulation cavity (104) is filled with a heat insulation layer (9).

3. The molten salt heat storage and energy saving device according to claim 1, characterized in that: The lower part of one side of the device tank body (1) is fixedly installed with an output box (5), the inside of the output box (5) is provided with an output mechanism (10), one end of the output mechanism (10) extends into the inside of the storage cavity (101) of the device tank body (1), the output mechanism (10) comprises an output rod (1001) and an output blade (1002), the output rod (1001) is rotatably connected with the output box (5), the output blade (1002) is fixedly installed on the outside of the output rod (1001), and the output blade (1002) is arranged in a spiral shape.

4. The molten salt heat storage and energy saving device according to claim 3, characterized in that: One side of the output box (5) is fixedly installed with a power box (13), the inside of the power box (13) is provided with an electric motor (14), the electric motor (14) is fixedly connected with the output box (5), and the output end of the electric motor (14) is fixedly connected with the output rod (1001).

5. The molten salt heat storage and energy saving device according to claim 4, characterized in that: The lower part of the output box (5) is fixedly installed with an electric valve (11), and the lower part of the electric valve (11) is fixedly installed with an output pipe (12).

6. The molten salt heat storage and energy saving device according to claim 5, characterized in that: The lower part of the output box (5) is fixedly installed with a bottom plate (15), and the lower part of the device tank body (1) is fixedly installed with a supporting leg (4).

7. The molten salt heat storage and energy saving device according to claim 1, characterized in that: The upper part of the device tank body (1) is fixedly installed with a feeding pipe (2) in the middle, and the upper part of the feeding pipe (2) is provided with a sealing cover (3).

Citation Information

Patent Citations

  • Molten salt heat accumulation device

    CN202928422U