CN217005474U

CN217005474U - High-temperature molten salt heat storage unit

Info

Publication number: CN217005474U
Application number: CN202220501713.6U
Authority: CN
Inventors: 于勇
Original assignee: Shandong Zhonghong New Energy Technology Co ltd
Current assignee: Shandong Zhonghong New Energy Technology Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-07-19
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a high-temperature fused salt heat storage unit, which comprises a body, a heat storage and heat exchange unit, a water inlet and a water outlet, wherein the water inlet is arranged above the body, the water outlet is arranged below the body, a water inlet motor is fixedly arranged above the inside of the body through bolts, a water inlet pipeline is arranged below the water inlet motor, a position sensor is arranged inside the water inlet pipeline, a heat exchange box is arranged below the position sensor, a temperature sensor is arranged on the left side inside the heat exchange box and used for detecting the temperature inside the heat exchange box, a heat storage box is arranged inside the heat exchange box and used for storing high-temperature fused salt, a water outlet sensor is arranged below the heat exchange box and used for receiving a control center signal, a heat storage box motor is arranged on the right side of the water outlet sensor, a water outlet motor is arranged below the heat storage box motor, and a water outlet is arranged below the water outlet motor Small occupied area and the like.

Description

High-temperature molten salt heat storage unit

Technical Field

The utility model relates to the technical field of heat storage, in particular to a high-temperature molten salt heat storage unit.

Background

The project of changing coal into electricity is greatly promoted by China at present, an electric heating replaces a coal-fired boiler, a government issues a night valley electricity utilization preferential policy aiming at the condition that the difference between the daytime peak and the night peak of the electricity supply of China is large, the low-cost valley electricity heating heat storage material is encouraged to be used for storing heat energy, the peak clipping and the valley filling are encouraged, an electric heat storage device utilizes the night valley electricity to heat a heat storage medium, the heat is gradually transferred to hot water through a heat exchange tube after the heat storage of the medium is carried out, most of the existing heat storage devices adopt heat storage bricks or water as the heat storage medium, the heat storage density is low, the occupied area is large, and an electric heater and a coiled heat exchange tube are soaked in the heat storage medium, so that the electric heater and the coiled heat exchange tube must be scrapped in case of failure is avoided, and replacement and maintenance is not needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature molten salt heat storage unit which has the advantages of good heat storage performance, compact mechanism, small occupied area and convenience in maintenance and solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-temperature molten salt heat storage unit comprises a body, a heat storage and heat exchange unit, a water inlet and a water outlet, wherein the water inlet is arranged above the body, the water outlet is arranged below the body, a rock wool board is arranged outside the body, glass wool is arranged outside the rock wool board, the body is subjected to heat preservation through the rock wool board and the glass wool, a control center is arranged in front of the body, four welded supporting legs are arranged below the body, a water inlet switch is arranged above the inside of the body, a water inlet motor is fixedly arranged on the right of the water inlet switch through bolts, a heat storage inlet pipeline is arranged behind the water inlet motor through bolts, a heat storage inlet switch is arranged below the heat storage inlet pipeline through welding, a heat storage box motor B is fixedly arranged on the right of the heat storage inlet switch through bolts, a water inlet pipeline is arranged on the left of the heat storage box motor B, the utility model discloses a heat exchange device, including inlet channel, inlet channel below, heat-retaining heat transfer unit, heat exchange incasement portion is equipped with temperature sensor, temperature sensor is used for detecting the inside temperature of heat exchange incasement, temperature sensor is equipped with the heating strip through the recess is fixed, the heating strip is used for preserving the temperature in the heat exchange case, the inside heat storage case pipeline that is equipped with of heat exchange incasement portion, heat-retaining heat transfer unit below is equipped with delivery port sensor, accepts control center's signal execution command, delivery port sensor the right is equipped with the heat storage case pipeline, heat storage case pipeline below is equipped with the heat storage case switch, heat storage case switch below the right is equipped with heat storage case motor A, heat storage case motor A below is equipped with the delivery port motor, delivery port motor below is equipped with the delivery port.

Preferably, the body is made of chrome-nickel alloy.

Preferably, the molten salt for the body is used as a heat storage medium, and the body has the advantages of high heat storage density, large phase change heat and good heat conduction performance.

Preferably, the body outside adopts double-deck heat preservation, and the cotton and rock wool board of glass keep warm.

Compared with the prior art, the utility model has the following beneficial effects:

according to the high-temperature fused salt heat storage unit, the body is made of the chrome-nickel alloy, so that the characteristics of high pressure resistance, high temperature resistance and corrosion resistance of the body are guaranteed, the heat storage and heat exchange unit is controlled through the control center, the situation that people are injured when heat exchange is carried out is guaranteed, the water temperature is detected through the temperature sensor, the water temperature can be accurately controlled, the heat of the well-exchanged water is preserved through the heating strips, the well-exchanged water is stored favorably, the ordered work of all parts in the device is guaranteed through the control of the control center, and the work without manpower is guaranteed through the automatic opening and closing of the motor.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a high-temperature molten salt heat storage unit according to the present invention.

FIG. 2 is a schematic cross-sectional view of a high-temperature molten salt heat storage unit according to the present invention.

The figures are labeled as follows: 1. a body; 2. glass wool; 3. rock wool boards; 4. a water inlet position sensor; 5. A water inlet pipe; 6. a temperature sensor; 7. a heat exchange box; 8. heating the strip; 9. a heat storage tank; 10. a water outlet sensor; 11. supporting legs; 12. a water outlet; 13. a water outlet motor; 14. a heat storage tank motor A; 15. A heat storage tank switch; 16. a heat storage tank conduit; 17. a heat storage tank motor B; 18. a heat storage inlet switch; 19. A heat storage and exchange unit; 20. a water inlet motor; 21. a water inlet switch; 22. a water inlet; 23. a heat storage inlet pipe; 24. and a control center.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1 and 2, a high-temperature molten salt heat storage unit comprises a body 1, a heat storage and exchange unit 19, a water inlet 22 and a water outlet 12, wherein the water inlet 22 is arranged above the body 1, the water outlet 12 is arranged below the body 1, a rock wool plate 3 is arranged outside the body 1, glass wool 2 is arranged outside the rock wool plate 3, the body 1 is insulated by double-layer insulation wool, a control center 24 is arranged in front of the body 1, four support legs 11 are arranged below the body 1 through welding, a water inlet switch 21 is arranged above the inside of the body 1, a water inlet motor 20 is fixedly arranged on the right side of the water inlet switch 21 through bolts, the water inlet motor 20 is connected to the control center 24 through electric wires, a heat storage inlet pipe 23 is fixedly arranged behind the water inlet motor 20 through bolts, a heat storage inlet switch 18 is arranged below the heat storage inlet pipe 23 through welding, and a heat storage tank motor B17 is fixedly arranged on the right side of the heat storage inlet switch 18 through bolts, the heat storage motor B17 is connected to the control center 24 through an electric wire, the left side of the heat storage box motor B17 is provided with a water inlet pipe 5, a heat storage and heat exchange unit 19 is arranged below the water inlet pipe 5, a heat exchange box 7 is arranged inside the heat storage and heat exchange unit 19, the inner 7 part of the heat exchange box is provided with a temperature sensor 6, the temperature sensor 6 is connected with the control center 24 through an electric wire and is used for detecting the water temperature inside the heat exchange box 7, the temperature sensor 6 is fixedly provided with a heating strip 8 through a groove, the heating strip 8 is used for storing the temperature in the heat exchange box 7, the inner part of the heat exchange box 7 is provided with a heat storage box pipe 16, a water outlet sensor 10 is arranged below the heat storage and heat exchange unit 19, the water outlet sensor 10 is connected to the control center 24 through an electric wire and receives a signal execution command of the control center 24, the right side of the water outlet sensor 10 is provided with the heat storage box pipe 16, the lower part of the heat storage box pipe 16 is provided with a heat storage box switch 15, and the right side of the lower part of the heat storage box switch 15 is provided with a heat storage box motor A14, the heat storage box motor A14 is connected to the control center 24 through a wire, a water outlet motor 13 is arranged below the heat storage box motor A14, the water outlet motor 13 is connected to the control center 24 through a wire, and a water outlet 12 is arranged below the water outlet motor 13.

The working principle is as follows: the utility model relates to a high-temperature molten salt heat storage unit, which is used for electrifying the device, then heating liquid salt flows from a heat storage tank pipeline 16, a heat storage pipe motor A14 automatically opens a heat storage tank switch 15 to enable the liquid salt to flow into a heat storage tank 19, when a temperature sensor 6 of the heated liquid salt detects the temperature rise in the tank, a signal is sent to a control center 24, when the control center 24 receives the signal, a water inlet position sensor 4 signal is sent, then a water inlet motor 20 opens a water inlet switch 21 to enable water to flow into a heat exchange tank 7 to start temperature replacement of the high-temperature molten salt, when the temperature sensor 6 in the heat exchange tank 7 reaches the set temperature of the control center 24, the control center 24 sends a water inlet sensor 10 signal, when the signal is received, a water outlet motor 13 and a heat storage motor A start to work and simultaneously open their respective switches, the displaced water is discharged and the cooled liquid salt is discharged.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claims.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high temperature fused salt heat-retaining unit, includes body (1), heat-retaining heat transfer unit (19), water inlet (22), delivery port (12), its characterized in that: the solar water heater is characterized in that a water inlet (22) is arranged above the body (1), a water outlet (12) is arranged below the body (1), a rock wool board (3) is arranged outside the body (1), a glass wool board (2) is arranged outside the rock wool board (3), a control center (24) is arranged in front of the body (1), four supporting legs (11) are arranged below the body (1) through welding, a water inlet switch (21) is arranged above the inside of the body (1), a water inlet motor (20) is fixedly arranged on the right side of the water inlet switch (21) through bolts, a heat storage inlet pipeline (23) is fixedly arranged at the rear side of the water inlet motor (20) through bolts, a heat storage inlet switch (18) is arranged below the heat storage inlet pipeline (23) through welding, and a heat storage box motor B (17) is fixedly arranged on the right side of the heat storage inlet switch (18) through bolts, the solar heat storage box is characterized in that a water inlet pipeline (5) is arranged on the left of the heat storage box motor B (17), a heat storage and heat exchange unit (19) is arranged below the water inlet pipeline (5), a heat exchange box (7) is arranged inside the heat storage and heat exchange unit (19), a temperature sensor (6) is arranged inside the heat exchange box (7), a heating strip (8) is fixedly arranged on the temperature sensor (6) through a groove, a heat storage box pipeline (16) is arranged inside the heat exchange box (7), a water outlet sensor (10) is arranged below the heat storage and heat exchange unit (19), a heat storage box pipeline (16) is arranged on the right of the water outlet sensor (10), a heat storage box switch (15) is arranged below the heat storage box pipeline (16), a heat storage box motor A (14) is arranged on the right of the lower side of the heat storage box switch (15), a water outlet motor (13) is arranged below the heat storage box motor A (14), a water outlet (12) is arranged below the water outlet motor (13).

2. A high temperature molten salt heat storage unit as claimed in claim 1, wherein: the body (1) adopts fused salt as a heat storage medium, and has high heat storage density, large phase change heat and heat conduction performance.

3. A high temperature molten salt heat storage unit as claimed in claim 1, wherein: the body (1) is made of chromium-nickel alloy.

4. A high temperature molten salt heat storage unit as claimed in claim 1, wherein: the body (1) is externally provided with double layers of heat preservation, glass wool (2) and a rock wool board (3).