Molten salt distributed energy storage tank

Abstract

The invention is suitable for the technical field of fused salt distributed energy storage, and provides a fused salt distributed energy storage tank which comprises a tank body filled with fused salt. The base is fixedly mounted at the bottom of the tank body; the lower frame is fixedly mounted at the top of the base; an upper frame mounted on the lower frame; the tank cover is mounted on the tank body; the water tank is fixedly mounted at the top of the upper frame; the heat exchange mechanism is mounted on the tank body and is used for heat exchange; the adsorption fixing mechanism is located at the bottom of the base and used for adsorbing and fixing the device to the ground; and the lifting mechanism is arranged on the tank body and is used for controlling the lifting of the adsorption fixing mechanism. According to the molten salt distributed energy storage tank provided by the scheme, energy storage and heat exchange can be efficiently carried out, movement is relatively convenient, mounting and dismounting are relatively convenient, and a worker can conveniently overhaul and maintain the heat exchange pipe or the heating assembly.

Description

Technical Field

[0001] The present invention belongs to the technical field of molten salt distributed energy storage, and in particular relates to a molten salt distributed energy storage tank. Background Art

[0002] The molten salt distributed energy storage tank is a device used to store high-temperature molten salt in the molten salt energy storage system. It realizes energy storage and release through the sensible heat storage characteristics of molten salt. In the energy storage stage, renewable energy such as solar energy, wind energy or night-time off-peak electricity is used as an energy source, and the molten salt is heated to a high temperature state through an electric heater or collector. At this time, the molten salt stores a large amount of thermal energy. In the energy release stage, the high-temperature molten salt transfers heat to the working fluid (such as water or steam) through a heat exchanger. The latter is heated and drives the turbine to generate electricity, thereby converting thermal energy into electrical energy, or directly used for heating.

[0003] However, the existing molten salt distributed energy storage tanks are not only inconvenient to move, but also inconvenient to install and disassemble, making it inconvenient for workers to inspect and maintain the heat exchange tubes or heating components. Summary of the invention

[0004] The present invention provides a molten salt distributed energy storage tank, aiming to solve the problems raised in the above background technology that the existing molten salt distributed energy storage tank is inconvenient to move, install and disassemble, and it is inconvenient for staff to inspect and maintain the heat exchange tubes or heating components.

[0005] To solve the above problems, the present invention is implemented as follows: a molten salt distributed energy storage tank comprises: a tank body filled with molten salt; a base fixedly mounted on the bottom of the tank body; a lower frame fixedly mounted on the top of the base; an upper frame mounted on the lower frame; a tank cover mounted on the tank body; a water tank fixedly mounted on the top of the upper frame; a heat exchange mechanism mounted on the tank body, the heat exchange mechanism being used for heat exchange; an adsorption and fixing mechanism located at the bottom of the base, the adsorption and fixing mechanism being used to adsorb and fix the device on the ground; and a lifting mechanism mounted on the tank body, the lifting mechanism being used to control the lifting and lowering of the adsorption and fixing mechanism.

[0006] Preferably, the heat exchange mechanism comprises: a water pump installed at the bottom of the water tank; and a spiral heat exchange tube arranged at the bottom of the tank cover and connected to the water outlet of the water pump and the water tank.

[0007] Preferably, a heating water butt pipe is installed on the water tank, and a bottom heating component and a ring heating component are installed on the inner wall of the tank body.

[0008] Preferably, the lifting mechanism includes: a sleeve plate fixedly mounted on the tank body; a rotating rod rotatably mounted on the sleeve plate and having a threaded block; a plurality of threaded sleeves respectively threadedly mounted on the plurality of threaded blocks, and the plurality of threaded sleeves are all slidably connected to the base; a same bottom plate fixedly mounted on the bottom ends of the plurality of threaded sleeves; a servo motor fixedly mounted on the inner wall of the lower frame and connected to the rotating rod; a plurality of double-groove synchronous wheels respectively fixedly mounted on the plurality of rotating rods; and a plurality of synchronous belts respectively mounted on the plurality of double-groove synchronous wheels.

[0009] Preferably, the adsorption and fixing mechanism includes: a vacuum suction cup fixedly installed on the bottom of the base plate; a negative pressure pump installed on the top of the base plate; a negative pressure pipe arranged at the air inlet end of the negative pressure pump and connected to the vacuum suction cup; and a one-way valve arranged on the negative pressure pipe.

[0010] Preferably, a pressure relief pipe is provided on the vacuum suction cup, and a pressure relief valve is installed on the pressure relief pipe.

[0011] Preferably, a pin groove is provided on the lower frame, and an L-shaped plate is fixedly mounted on the upper frame.

[0012] Preferably, the L-shaped plate is also equipped with a locking mechanism, which includes: a plurality of sliding rods slidably mounted on the L-shaped plate; a plurality of springs slidably mounted on the plurality of sliding rods respectively; a same clamping plate fixedly mounted on one end of the plurality of sliding rods; a pin block fixedly mounted on the clamping plate; and a same pull ring fixedly mounted on one end of the plurality of sliding rods.

[0013] Preferably, a controller is installed on the lower frame, and the controller is electrically connected to the water pump, the bottom heating component, the annular heating component, the servo motor, the negative pressure pump and the pressure relief valve.

[0014] Preferably, a plurality of mounting grooves are provided at the bottom of the base, and universal wheels are provided on the inner walls of the plurality of mounting grooves.

[0015] Compared with the related art, the molten salt distributed energy storage tank provided by the present invention has the following beneficial effects:

[0016] Compared with the prior art, the molten salt distributed energy storage tank provided by the present solution comprises a tank body with molten salt, which is ensured to be stable by a base fixedly installed at the bottom of the tank body, a lower frame is provided on the top of the base for further reinforcement, an upper frame is installed on the lower frame to form a supporting structure, a tank cover is provided on the tank body for sealing, a water tank is fixed on the top of the upper frame for providing water source or other medium, a heat exchange mechanism is also installed on the tank body to realize the heat exchange function, an adsorption fixing mechanism is provided at the bottom of the base, which can stably adsorb and fix the entire device on the ground, and the tank body is also equipped with a lifting mechanism for flexibly controlling the lifting and lowering of the adsorption fixing mechanism. Such a design not only ensures the stability and safety of the energy storage tank, but also realizes efficient heat exchange through the heat exchange mechanism. At the same time, the setting of the adsorption fixing mechanism and the lifting mechanism enhances the flexibility and applicability of the device, and comprehensively improves the use efficiency and convenience of the molten salt distributed energy storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main cross-sectional structure of a molten salt distributed energy storage tank provided by the present invention;

[0018] Figure 2 for Figure 1 Schematic diagram of the three-dimensional assembly structure of the midsole plate and the vacuum suction cup;

[0019] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure of the middle tank body and the sleeve plate from top view;

[0020] Figure 4 for Figure 1 An enlarged structural diagram of part A shown in FIG.

[0021] Figure 5 for Figure 1 An enlarged schematic diagram of the structure of part B shown in FIG.

[0022] Figure 6 for Figure 1 Schematic diagram of the enlarged structure of part C shown in FIG.

[0023] 1. Tank body; 2. Molten salt; 3. Base; 4. Lower frame; 5. Upper frame; 6. Tank cover; 7. Water tank; 8. Water pump; 9. Spiral heat exchange tube; 10. Heating water butt pipe; 11. Bottom heating assembly; 12. Ring heating assembly; 13. Sleeve plate; 14. Rotating rod; 15. Threaded block; 16. Threaded sleeve; 17. Bottom plate; 18. Servo motor; 19. Double-groove synchronous wheel; 20. Vacuum suction cup; 21. Negative pressure pump; 22. Negative pressure pipe; 23. One-way valve; 24. Pressure relief pipe; 25. Pressure relief valve; 26. Pin groove; 27. L-shaped plate; 28. Sliding rod; 29. ​​Spring; 30. Card plate; 31. Pin block; 32. Pull ring; 33. Controller; 34. Universal wheel. DETAILED DESCRIPTION

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0025] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0026] The embodiment of the present invention provides a molten salt distributed energy storage tank, such as Figure 1-6 As shown, the molten salt distributed energy storage tank includes: a tank body 1 filled with molten salt 2; a base 3 fixedly mounted on the bottom of the tank body 1; a lower frame 4 fixedly mounted on the top of the base 3; an upper frame 5 mounted on the lower frame 4; a tank cover 6 mounted on the tank body 1; a water tank 7 fixedly mounted on the top of the upper frame 5; a heat exchange mechanism mounted on the tank body 1, the heat exchange mechanism being used for heat exchange; an adsorption and fixing mechanism located at the bottom of the base 3, the adsorption and fixing mechanism being used to adsorb and fix the device on the ground; a lifting mechanism mounted on the tank body 1, the lifting mechanism being used to control the lifting and lowering of the adsorption and fixing mechanism.

[0027] In this embodiment, a tank body 1 with molten salt 2 is included, and stability is ensured by a base 3 fixedly installed at the bottom of the tank body 1. A lower frame 4 is provided on the top of the base 3 for further reinforcement. An upper frame 5 is installed on the lower frame 4 to form a supporting structure. A tank cover 6 is provided on the tank body 1 for sealing. A water tank 7 is fixed on the top of the upper frame 5 for providing water or other media. A heat exchange mechanism is also installed on the tank body 1 to realize the heat exchange function. An adsorption fixing mechanism is provided at the bottom of the base 3, which can stably adsorb and fix the entire device on the ground. The tank body 1 is also equipped with a lifting mechanism for flexibly controlling the lifting and lowering of the adsorption fixing mechanism. Such a design not only ensures the stability and safety of the energy storage tank, but also realizes efficient heat exchange through the heat exchange mechanism. At the same time, the setting of the adsorption fixing mechanism and the lifting mechanism enhances the flexibility and applicability of the device, and comprehensively improves the use efficiency and convenience of the molten salt distributed energy storage tank.

[0028] In a further preferred embodiment of the present invention, the heat exchange mechanism includes: a water pump 8 installed at the bottom of the water tank 7; and a spiral heat exchange tube 9 arranged at the bottom of the tank cover 6 and connected to the water outlet of the water pump 8 and the water tank 7.

[0029] In this embodiment, the water in the water tank 7 can be pumped out by the water pump 8 and injected into the spiral heat exchange tube 9. The spiral heat exchange tube 9 can more efficiently exchange heat with the molten salt in the tank body 1, and the heated water flows back to the water tank along one end of the spiral heat exchange tube 9.

[0030] In a further preferred embodiment of the present invention, a heating water butt joint 10 is installed on the water tank 7, and a bottom heating component 11 and a ring heating component 12 are installed on the inner wall of the tank body 1.

[0031] In this embodiment, the molten salt in the tank body 1 can be heated more efficiently by the bottom heating component 11 and the annular heating component 12 .

[0032] In a further preferred embodiment of the present invention, the lifting mechanism includes: a sleeve plate 13 fixedly mounted on the tank body 1; a rotating rod 14 rotatably mounted on the sleeve plate 13 and having a threaded block 15; a plurality of threaded sleeves 16 respectively threadedly mounted on the plurality of threaded blocks 15, and the plurality of threaded sleeves 16 are all slidably connected to the base 3; a common base plate 17 fixedly mounted on the bottom ends of the plurality of threaded sleeves 16; a servo motor 18 fixedly mounted on the inner wall of the lower frame 4 and connected to the rotating rod 14; a plurality of double-groove synchronous wheels 19 respectively fixedly mounted on the plurality of rotating rods 14; and a plurality of synchronous belts respectively mounted on the plurality of double-groove synchronous wheels 19.

[0033] In this embodiment, the rotating rod 14 can be driven to rotate by the servo motor 18, and the multiple rotating rods 14 can be driven to rotate by multiple double-groove synchronous wheels 19 and multiple synchronous belts. The multiple rotating rods 14 drive the multiple threaded blocks 15 to rotate on the inner walls of the multiple threaded sleeves 16, which can drive the adsorption and fixing mechanism of the bottom plate 17 to move up and down.

[0034] In a further preferred embodiment of the present invention, the adsorption and fixing mechanism includes: a vacuum suction cup 20 fixedly installed at the bottom of the base plate 17; a negative pressure pump 21 installed on the top of the base plate 17; a negative pressure pipe 22 arranged at the air inlet end of the negative pressure pump 21 and connected to the vacuum suction cup 20; and a one-way valve 23 arranged on the negative pressure pipe 22.

[0035] In this embodiment, the air in the vacuum suction cup 20 can be extracted through the negative pressure pump 21 and the negative pressure pipe 22, so that the vacuum suction cup 20 is firmly adsorbed and fixed on the ground, thereby improving the stability of the energy storage tube.

[0036] In a further preferred embodiment of the present invention, a pressure relief pipe 24 is provided on the vacuum suction cup 20 , and a pressure relief valve 25 is installed on the pressure relief pipe 24 .

[0037] In this embodiment, external air can enter the vacuum suction cup 20 through the pressure relief pipe 24 and the pressure relief valve 25 , thereby contacting the vacuum suction cup 20 in an adsorbed and fixed state.

[0038] In a further preferred embodiment of the present invention, a pin slot 26 is provided on the lower frame 4 , and an L-shaped plate 27 is fixedly mounted on the upper frame 5 .

[0039] In this embodiment, the locking mechanism can be installed through the L-shaped plate 27.

[0040] In a further preferred embodiment of the present invention, a locking mechanism is also installed on the L-shaped plate 27, and the locking mechanism includes: a plurality of sliding rods 28 slidably installed on the L-shaped plate 27; a plurality of springs 29 slidably mounted on the plurality of sliding rods 28; a same clamping plate 30 fixedly installed at one end of the plurality of sliding rods 28; a pin block 31 fixedly installed on the clamping plate 30; and a same pull ring 32 fixedly installed at one end of the plurality of sliding rods 28.

[0041] In this embodiment, the pin block 31 can be stuck into the pin groove 26 by the rebound card plate 30 through multiple springs 29, so that the upper frame 5 is locked on the lower frame 4, and then the tank cover 6 is firmly installed on the tank body 1. The pull ring 32 and multiple sliding rods 28 can drive the card plate 30 and the pin block 31 to move laterally, so that the pin block 31 is separated from the pin groove 26, so that the lower frame 4 and the upper frame 5 can be disassembled and classified, and the tank cover 6 and the spiral heat exchange tube 9 can be disassembled and separated at the same time, so that it is convenient for the staff to inspect and maintain the spiral heat exchange tube 9, the bottom heating assembly 11 and the annular heating assembly 12.

[0042] In a further preferred embodiment of the present invention, a controller 33 is installed on the lower frame 4, and the controller 33 is electrically connected to the water pump 8, the bottom heating component 11, the annular heating component 12, the servo motor 18, the negative pressure pump 21 and the pressure relief valve 25.

[0043] In this embodiment, the operation of the device can be controlled by the controller 33.

[0044] In a further preferred embodiment of the present invention, a plurality of mounting grooves are provided at the bottom of the base 3 , and universal wheels 34 are provided on the inner walls of the plurality of mounting grooves.

[0045] In this embodiment, the device can be moved more conveniently by using a plurality of universal wheels 34 .

[0046] In summary, compared with related technologies, the present device can not only efficiently perform energy storage and heat exchange, but is also more convenient to move, install and disassemble, and is convenient for staff to inspect and maintain the heat exchange tubes or heating components.

[0047] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0048] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also belong to the scope of protection of the present invention.

Claims

1. A molten salt distributed energy storage tank, characterized in that: include: A tank filled with molten salt; A base fixedly mounted on the bottom of the tank; A lower frame fixedly mounted on the top of the base; an upper frame mounted on the lower frame; A tank cover mounted on the tank body; A water tank fixedly mounted on the top of the upper frame; A heat exchange mechanism installed on the tank body, the heat exchange mechanism is used for heat exchange; An adsorption and fixing mechanism located at the bottom of the base, the adsorption and fixing mechanism is used to adsorb and fix the device on the ground; A lifting mechanism is installed on the tank body, and the lifting mechanism is used to control the lifting and lowering of the adsorption fixing mechanism.

2. The molten salt distributed energy storage tank according to claim 1, characterized in that: The heat exchange mechanism comprises: A water pump installed at the bottom of the water tank; A spiral heat exchange tube is arranged at the bottom of the tank cover and is connected to the water outlet of the water pump and the water tank.

3. The molten salt distributed energy storage tank according to claim 2, characterized in that: A heating water butt pipe is installed on the water tank, and a bottom heating component and a ring heating component are installed on the inner wall of the tank body.

4. The molten salt distributed energy storage tank according to claim 3, characterized in that: The lifting mechanism comprises: A sleeve plate fixedly sleeved on the tank body; A rotating rod rotatably mounted on the sleeve plate and having a threaded block; A plurality of threaded sleeves respectively threadedly sleeved on the plurality of threaded blocks, wherein the plurality of threaded sleeves are all slidably connected to the base; A same bottom plate fixedly mounted on the bottom ends of the plurality of threaded sleeves; A servo motor fixedly mounted on the inner wall of the lower frame and connected to the rotating rod; A plurality of double-groove synchronous wheels respectively fixedly mounted on the plurality of rotating rods; A plurality of synchronous belts are respectively sleeved on the plurality of double-groove synchronous wheels.

5. The molten salt distributed energy storage tank according to claim 4, characterized in that: The adsorption and fixing mechanism comprises: A vacuum suction cup fixedly mounted on the bottom of the base plate; A negative pressure pump installed on the top of the base plate; A negative pressure pipe disposed at the air inlet end of the negative pressure pump and connected to the vacuum suction cup; A one-way valve is arranged on the negative pressure pipe.

6. The molten salt distributed energy storage tank according to claim 5, characterized in that: The vacuum suction cup is provided with a pressure relief pipe, and a pressure relief valve is installed on the pressure relief pipe.

7. The molten salt distributed energy storage tank according to claim 1, characterized in that: The lower frame is provided with a pin slot, and the upper frame is fixedly mounted with an L-shaped plate.

8. The molten salt distributed energy storage tank according to claim 7, characterized in that: The L-shaped plate is also provided with a locking mechanism, which comprises: A plurality of sliding rods slidably mounted on the L-shaped plate; A plurality of springs slidably sleeved on the plurality of sliding rods respectively; A same clamping plate fixedly mounted on one end of the plurality of sliding rods; A pin block fixedly mounted on the card plate; A same pull ring is fixedly mounted on one end of the plurality of sliding rods.

9. The molten salt distributed energy storage tank according to claim 6, characterized in that: A controller is installed on the lower frame, and the controller is electrically connected to the water pump, the bottom heating component, the annular heating component, the servo motor, the negative pressure pump and the pressure relief valve.

10. The molten salt distributed energy storage tank according to claim 1, characterized in that: A plurality of mounting grooves are provided at the bottom of the base, and universal wheels are arranged on the inner walls of the plurality of mounting grooves.

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