Automatic supplement type cold and hot molten salt energy storage equipment

Abstract

The utility model relates to the technical field of energy storage, in particular to automatic supplement type cold and hot molten salt energy storage equipment which comprises a tank body and a molten salt heater, the molten salt heater is fixedly connected in the tank body, a diffusion mechanism is arranged in the tank body, a cold salt inlet is formed in the upper portion of the tank body, and a hot salt inlet is formed in the lower portion of the tank body. Hot salt outlets are formed in the left side and the right side of the tank body, a stirring mechanism is arranged in the tank body, and the outer wall of the first partition plate and the outer wall of the second partition plate are fixedly connected with a flow guide pipe. The first motor drives the rotating rod to rotate, the rotating rod drives the eccentric wheel to rotate, the eccentric wheel drives the protruding block to move, the protruding block drives the sliding rod to move, the sliding rod slides in the sleeve, the sliding rod and the sleeve play a role in guiding movement of the protruding block, cold salt is added into the tank body through the cold salt inlet, the cold salt makes contact with the protruding block, and the protruding block spreads the cold salt. The cold salt is fully contacted with the heating pipe, so that the cold salt is fully preheated, and the condition that the flow guide pipe is blocked is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage, in particular to an automatic replenishment type cold and hot molten salt energy storage device. Background Art

[0002] Molten salt is a heat transfer and storage medium with excellent performance. It has high operating temperature, good thermal stability, constant specific heat capacity, high heat transfer coefficient, and low production cost. It is widely used in the field of heat storage.

[0003] For example, the automatic replenishing cold and hot molten salt energy storage device with patent number CN217155104U has a heat transfer medium cavity, a cold salt cavity and a hot salt cavity in the tank body; a connecting pipe connected to the heat transfer medium cavity is provided on the tank body; a first partition is provided between the heat transfer medium cavity and the cold salt cavity; a second partition is provided between the heat transfer medium cavity and the hot salt cavity; a plurality of first guide pipes are provided in the heat transfer medium cavity; a first end of the first guide pipe is connected to the cold salt cavity, and a second end is connected to the hot salt cavity. The above documents still have deficiencies. When in use, a single tank body can realize the storage of cold molten salt and hot molten salt at the same time. Storage, and the cold molten salt can be continuously added to the hot molten salt by limiting the flow. The temperature of the cold salt can be kept stable during storage and transportation, effectively preventing the cold molten salt from solidifying and agglomerating. However, after the cold salt is added in the above document, the cold salt will directly drop under the action of gravity, and a part of the cold salt will not be able to be heated, which may cause blockage of the guide pipe, thereby reducing the use effect of the automatic replenishment of cold and hot molten salt energy storage equipment. At the same time, when the molten salt falls to the bottom of the tank, the molten salt cannot fully contact the molten salt heater, and the discharged hot salt is easily mixed with cold salt. Utility Model Content

[0004] The utility model aims to solve the problem that a flow guide pipe may be blocked, and proposes an automatic replenishing type cold and hot molten salt energy storage device.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An automatic replenishing cold and hot molten salt energy storage device is designed, comprising a tank body and a molten salt heater, wherein the molten salt heater is fixedly connected to the interior of the tank body, a diffusion mechanism is arranged inside the tank body, a cold salt inlet is arranged on the top of the tank body, hot salt outlets are arranged on the left and right sides of the tank body, a stirring mechanism is arranged inside the tank body, a first partition and a second partition are fixedly connected to the interior of the tank body, and the outer walls of the first partition and the second partition are fixedly connected to the guide pipe.

[0007] Preferably, the diffusion mechanism includes a first motor, which is fixedly connected to the outer wall of the tank body, and the output shaft of the first motor is fixedly connected to a rotating rod, the outer wall of one end of the rotating rod is rotatably connected to the tank body through a bearing, and the other end of the rotating rod is fixedly connected to an eccentric wheel, the outer wall of the eccentric wheel is in contact with the protrusion, and a sliding rod is fixedly connected below the protrusion, the outer wall of the sliding rod is slidably connected to a sleeve, and the sleeve is fixedly connected to the upper surface of the first partition, and a first spring is arranged inside the sleeve, and the two ends of the first spring are respectively fixedly connected to the sleeve and the sliding rod.

[0008] Preferably, the stirring mechanism includes a second motor, which is fixedly connected to the lower surface of the tank body, and the output shaft of the second motor is fixedly connected to a cylinder, the outer wall of the cylinder is rotatably connected to the tank body through a bearing, the interior of the cylinder is slidably connected to a square rod, a second spring is arranged inside the cylinder, the two ends of the second spring are respectively fixedly connected to the cylinder and the square rod, a wedge-shaped disk is fixedly connected to the end of the square rod, the wedge-shaped disk is fitted with the lower end of the vertical rod, the upper end of the vertical rod is fixedly connected to the second partition, and the outer wall of the square rod is fixedly connected to a connecting rod.

[0009] Preferably, the tank body is fixedly connected to the outer wall of the end of the pipeline, and the outer wall of the pipeline is fixedly connected to the annular tube.

[0010] Preferably, a heating tube is fixedly connected below the annular tube, and an outer wall of the heating tube is fixedly connected to the tank body and the first partition.

[0011] Preferably, the outer wall of the pipeline is provided with a circulation pump body and a heating device.

[0012] The utility model proposes an automatic replenishing type cold and hot molten salt energy storage device, which has the beneficial effects of: through the cooperation between the first motor, the rotating rod, the eccentric wheel, the protrusion, the sliding rod, the sleeve and the first spring, the first motor drives the rotating rod to rotate, the rotating rod drives the eccentric wheel to rotate, the eccentric wheel drives the protrusion to move, the protrusion drives the sliding rod to move, the sliding rod slides inside the sleeve, the sliding rod and the sleeve guide the movement of the protrusion, the cold salt is added to the inside of the tank body through the cold salt inlet, the cold salt contacts the protrusion, the protrusion spreads the cold salt, so that the cold salt contacts the heating tube fully, the cold salt is fully preheated, and the guide tube will not be blocked.

[0013] Through the cooperation between the second motor, the cylinder, the square rod, the second spring, the wedge-shaped disk, the vertical rod and the connecting rod, the second motor drives the cylinder to rotate, the cylinder drives the square rod to rotate, the square rod drives the connecting rod and the wedge-shaped disk to rotate, the connecting rod stirs the molten salt, and when the wedge-shaped disk rotates, the vertical rod drives the wedge-shaped disk to move up and down in the vertical direction, the wedge-shaped disk drives the square rod to move in the vertical direction, the square rod drives the connecting rod to move, and the connecting rod moves vertically at the same time when it rotates. When the connecting rod stirs the molten salt, the molten salt is in full contact with the molten salt heater to form hot salt, the molten salt can be in full contact with the molten salt heater, and no cold salt will be mixed in the discharged hot salt. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural sectional view of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the connection between the first motor, the rotating rod and the eccentric wheel in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the connection between the second motor, the cylinder and the square rod in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the wedge block in the utility model;

[0019] Figure 6 It is a structural schematic diagram of the connection between the first partition plate, the guide tube and the heating tube in the utility model.

[0020] In the figure: 1, tank body, 2, molten salt heater, 3, diffusion mechanism, 301, first motor, 302, rotating rod, 303, eccentric wheel, 304, bump, 305, sliding rod, 306, sleeve, 307, first spring, 3a1, observation window, 4, stirring mechanism, 401, second motor, 402, cylinder, 403, square rod, 404, second spring, 405, wedge disk, 406, vertical rod, 407, connecting rod, 5, cold salt inlet, 6, hot salt outlet, 7, first partition, 8, second partition, 9, guide tube, 10, pipeline, 11, annular tube, 12, heating tube, 13, circulation pump body, 14, heating device. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Embodiment 1:

[0023] Refer to the attached Figure 1-6:In this embodiment, an automatic replenishing cold and hot molten salt energy storage device includes a tank body 1 and a molten salt heater 2. The tank body 1 is fixedly connected with the molten salt heater 2. The model of the molten salt heater 2 is the same as that of the automatic replenishing cold and hot molten salt energy storage device with patent number CN217155104U. A diffusion mechanism 3 is arranged inside the tank body 1. The diffusion mechanism 3 diffuses the added cold salt. A cold salt inlet 5 is arranged on the top of the tank body 1. Hot salt outlets 6 are arranged on the left and right sides of the tank body 1. A stirring mechanism 4 is arranged inside the tank body 1. The stirring mechanism 4 allows the molten salt to be fully heated.

[0024] The first partition plate 7 and the second partition plate 8 are fixedly connected to the inside of the tank body 1, and the outer walls of the first partition plate 7 and the second partition plate 8 are fixedly connected to the guide pipe 9. The tank body 1 is fixedly connected to the outer wall of the end of the pipeline 10, and the outer wall of the pipeline 10 is fixedly connected to the annular pipe 11. The pipeline 10 is connected to the annular pipe 11, and the annular pipe 11 is a double-annular pipe structure. A heating pipe 12 is fixedly connected to the bottom of the annular pipe 11, and the annular pipe 11 is connected to the heating pipe 12. The heating pipe 12 heats the cold salt. The outer wall of the heating pipe 12 is fixedly connected to the tank body 1 and the first partition plate 7. The outer wall of the pipeline 10 is provided with a circulating pump body 13 and a heating device 14. The models of the circulating pump body 13 and the heating device 14 are the same as those in the automatic replenishing cold and hot molten salt energy storage equipment with patent number CN217155104U.

[0025] The diffusion mechanism 3 includes a first motor 301, a rotating rod 302, an eccentric wheel 303, a protrusion 304, a sliding rod 305, a sleeve 306 and a first spring 307. The first motor 301 is fixedly connected to the outer wall of the tank body 1. The output shaft of the first motor 301 is fixedly connected to the rotating rod 302. The first motor 301 drives the rotating rod 302 to rotate. The outer wall of one end of the rotating rod 302 is rotatably connected to the tank body 1 through a bearing. The other end of the rotating rod 302 is fixedly connected to the eccentric wheel 303. The rotating rod 302 drives the eccentric wheel 303 to rotate.

[0026] The outer wall of the eccentric wheel 303 fits with the protrusion 304, the eccentric wheel 303 drives the protrusion 304 to move, the slide bar 305 is fixedly connected below the protrusion 304, the protrusion 304 drives the slide bar 305 to move, the outer wall of the slide bar 305 is slidably connected with the sleeve 306, the slide bar 305 slides inside the sleeve 306, the sleeve 306 is fixedly connected to the upper surface of the first partition plate 7, the sleeve 306 is provided with a first spring 307 inside, the first spring 307 makes the protrusion 304 always fit with the eccentric wheel 303 under the elastic action, and the two ends of the first spring 307 are fixedly connected with the sleeve 306 and the slide bar 305 respectively;

[0027] The first motor 301 drives the rotating rod 302 to rotate, the rotating rod 302 drives the eccentric wheel 303 to rotate, the eccentric wheel 303 drives the protrusion 304 to move, the protrusion 304 drives the sliding rod 305 to move, the sliding rod 305 slides inside the sleeve 306, the sliding rod 305 and the sleeve 306 guide the movement of the protrusion 304, the cold salt is added to the inside of the tank body 1 through the cold salt inlet 5, the cold salt contacts the protrusion 304, the protrusion 304 spreads the cold salt, so that the cold salt contacts the heating tube 12 fully, the cold salt is fully preheated, and the guide tube 9 will not be blocked.

[0028] The stirring mechanism 4 includes a second motor 401, a cylinder 402, a square rod 403, a second spring 404, a wedge-shaped disk 405, a vertical rod 406 and a connecting rod 407. The second motor 401 is fixedly connected to the lower surface of the tank body 1. The output shaft of the second motor 401 is fixedly connected to the cylinder 402. The second motor 401 drives the cylinder 402 to rotate. The outer wall of the cylinder 402 is rotatably connected to the tank body 1 through a bearing. The inside of the cylinder 402 is slidably connected to the square rod 403. The cylinder 402 drives the square rod 403 to rotate. The inside of the cylinder 402 is provided with a second spring 404. The second spring 404 makes the wedge-shaped disk 405 always fit with the vertical rod 406 under the elastic action.

[0029] The two ends of the second spring 404 are fixedly connected to the cylinder 402 and the square rod 403 respectively. The end of the square rod 403 is fixedly connected with a wedge-shaped disk 405. The square rod 403 drives the wedge-shaped disk 405 to rotate. The wedge-shaped disk 405 fits with the lower end of the vertical rod 406. The vertical rod 406 drives the wedge-shaped disk 405 to move. The upper end of the vertical rod 406 is fixedly connected to the second partition plate 8. The outer wall of the square rod 403 is fixedly connected with a connecting rod 407. The square rod 403 drives the connecting rod 407 to rotate.

[0030] The second motor 401 drives the cylinder 402 to rotate, the cylinder 402 drives the square rod 403 to rotate, the square rod 403 drives the connecting rod 407 and the wedge-shaped disk 405 to rotate, the connecting rod 407 stirs the molten salt, and when the wedge-shaped disk 405 rotates, the vertical rod 406 drives the wedge-shaped disk 405 to move up and down in the vertical direction, the wedge-shaped disk 405 drives the square rod 403 to move in the vertical direction, the square rod 403 drives the connecting rod 407 to move, and the connecting rod 407 moves in the vertical direction at the same time when it rotates. When the connecting rod 407 stirs the molten salt, the molten salt is in full contact with the molten salt heater 2 to form hot salt. The molten salt can be in full contact with the molten salt heater 2, and the discharged hot salt will not be mixed with cold salt.

[0031] Working principle:

[0032] When using the automatic replenishment type cold and hot molten salt energy storage device, the connection method of the automatic replenishment type cold and hot molten salt energy storage device and how to achieve automatic replenishment are the same as those in the automatic replenishment type cold and hot molten salt energy storage device with patent number CN217155104U;

[0033] Cold salt addition stage:

[0034] The heat-conducting medium flows in the pipeline 10, the annular ring 11 and the heating tube 12 under the action of the circulation pump body 13. The heating device 14 heats the heat-conducting medium, starts the first motor 301, the first motor 301 drives the rotating rod 302 to rotate, the rotating rod 302 drives the eccentric wheel 303 to rotate, the eccentric wheel 303 drives the protrusion 304 to move, the protrusion 304 drives the sliding rod 305 to move, the sliding rod 305 slides inside the sleeve 306, the sliding rod 305 and the sleeve 306 guide the movement of the protrusion 304, the cold salt is added to the inside of the tank body 1 from the cold salt inlet 5, the cold salt contacts the protrusion 304, the protrusion 304 spreads the cold salt, makes the cold salt contact with the heating tube 12 fully, the cold salt is fully preheated, and the flow guide tube 9 will not be blocked. The preheated cold salt passes through the flow guide tube 9 and enters the lower part of the tank body 1;

[0035] Molten salt heating stage:

[0036] The preheated molten salt reaches the lower part of the tank body 1, and the molten salt heater 2 heats the molten salt, and the second motor 401 is started. The second motor 401 drives the cylinder 402 to rotate, and the cylinder 402 drives the square rod 403 to rotate, and the square rod 403 drives the connecting rod 407 and the wedge-shaped disk 405 to rotate, and the connecting rod 407 stirs the molten salt. When the wedge-shaped disk 405 rotates, the vertical rod 406 drives the wedge-shaped disk 405 to move up and down in the vertical direction, and the wedge-shaped disk 405 drives the square rod 403 to move in the vertical direction, and the square rod 403 drives the connecting rod 407 to move, and the connecting rod 407 moves in the vertical direction at the same time when it rotates. When the connecting rod 407 stirs the molten salt, the molten salt is fully in contact with the molten salt heater 2 to form hot salt. The molten salt can be fully in contact with the molten salt heater 2, and the discharged hot salt will not be mixed with cold salt.

[0037] Embodiment 2:

[0038] Refer to the attached Figure 1-6 : In this embodiment, an automatic replenishment type cold and hot molten salt energy storage device, the diffusion mechanism 3 also includes an observation window 3a1, and the observation window 3a1 is arranged on the surface of the tank body 1, through which the interior of the tank body 1 can be observed;

[0039] Through the function of the observation window 3a1, the observation window 3a1 is arranged on the surface of the tank body 1, and the interior of the tank body 1 can be easily observed through the observation window 3a1.

[0040] Working principle:

[0041] The observation window 3a1 is arranged on the surface of the tank body 1, and the interior of the tank body 1 can be observed conveniently through the observation window 3a1.

[0042] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An automatic replenishing cold and hot molten salt energy storage device, comprising a tank body (1) and a molten salt heater (2), wherein the molten salt heater (2) is fixedly connected to the inside of the tank body (1), characterized in that: A diffusion mechanism (3) is arranged inside the tank body (1), a cold salt inlet (5) is arranged above the tank body (1), hot salt outlets (6) are arranged on both the left and right sides of the tank body (1), a stirring mechanism (4) is arranged inside the tank body (1), a first partition plate (7) and a second partition plate (8) are fixedly connected inside the tank body (1), and the outer walls of the first partition plate (7) and the second partition plate (8) are fixedly connected to the guide pipe (9).

2. The automatic replenishment type cold and hot molten salt energy storage device according to claim 1 is characterized in that: The diffusion mechanism (3) comprises a first motor (301), wherein the first motor (301) is fixedly connected to the outer wall of the tank body (1), the output shaft of the first motor (301) is fixedly connected to a rotating rod (302), the outer wall of one end of the rotating rod (302) is rotatably connected to the tank body (1) via a bearing, the other end of the rotating rod (302) is fixedly connected to an eccentric wheel (303), the outer wall of the eccentric wheel (303) is in contact with a protrusion (304), a sliding rod (305) is fixedly connected below the protrusion (304), the outer wall of the sliding rod (305) is slidably connected to a sleeve (306), the sleeve (306) is fixedly connected to the upper surface of the first partition plate (7), a first spring (307) is arranged inside the sleeve (306), and the two ends of the first spring (307) are respectively fixedly connected to the sleeve (306) and the sliding rod (305).

3. The automatic replenishment type cold and hot molten salt energy storage device according to claim 1 is characterized in that: The stirring mechanism (4) comprises a second motor (401), the second motor (401) is fixedly connected to the lower surface of the tank body (1), the output shaft of the second motor (401) is fixedly connected to a cylinder (402), the outer wall of the cylinder (402) is rotatably connected to the tank body (1) via a bearing, the interior of the cylinder (402) is slidably connected to a square rod (403), a second spring (404) is arranged inside the cylinder (402), the two ends of the second spring (404) are respectively fixedly connected to the cylinder (402) and the square rod (403), the end of the square rod (403) is fixedly connected to a wedge-shaped disk (405), the wedge-shaped disk (405) is fitted with the lower end of a vertical rod (406), the upper end of the vertical rod (406) is fixedly connected to the second partition plate (8), and the outer wall of the square rod (403) is fixedly connected to a connecting rod (407).

4. The automatic replenishment type cold and hot molten salt energy storage device according to claim 1 is characterized in that: The tank body (1) is fixedly connected to the outer wall of the end of the pipeline (10), and the outer wall of the pipeline (10) is fixedly connected to the annular tube (11).

5. The automatic replenishment type cold and hot molten salt energy storage device according to claim 4 is characterized in that: A heating tube (12) is fixedly connected below the annular tube (11), and the outer wall of the heating tube (12) is fixedly connected to the tank body (1) and the first partition plate (7).

6. The automatic replenishment type cold and hot molten salt energy storage device according to claim 4 is characterized in that: The outer wall of the pipeline (10) is provided with a circulation pump body (13) and a heating device (14).

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