A molten salt power storage electric heater

Abstract

The utility model belongs to the field of steel pipe processing, concretely is a kind of molten salt power storage electric heater, including fuselage, the inside of fuselage is equipped with eight groups of backing pad, the top of backing pad is welded with second spring, the other end of second spring is welded heater body, the bottom of heater body is equipped with connecting lug around;By the design of the bottom of device is additionally provided with damping structure, when vibration appears in the working process of heater, the vibration of vertical position can be offset by the first spring of bottom, the second spring is pushed by the mode that two groups of positioning ring connected at the bottom of connecting lug push the support column of both sides, to further increase damping effect, thereby to avoid long-term vibration will make molten salt power storage electric heater connecting component such as bolt loose, cause component displacement, fall off, affect normal operation of equipment;It will also make internal electrical components such as line, solder joint etc. loose or break, cause short circuit, open circuit and other electrical fault problems.

Description

Technical Field

[0001] This utility model belongs to the field of steel pipe processing, specifically a molten salt power generation and energy storage electric heater. Background Technology

[0002] The molten salt power generation and energy storage electric heating system mainly consists of molten salt storage tanks, molten salt electric heaters, heat exchangers, molten salt pumps, pipelines, valves, sensors, and a central control system. The molten salt storage tanks are used to store high-temperature and low-temperature molten salt, and the tanks are insulated. The molten salt electric heaters are used to heat the molten salt. During the heat storage phase, a smart complementary system is used to utilize wind power, photovoltaic power, and off-peak electricity at night as energy sources during grid off-peak periods or when there is a surplus of new energy output. The low-temperature molten salt in the cold salt tank is heated to a high temperature through the molten salt electric heaters, and the heated high-temperature molten salt flows into the hot salt tank for storage through pipelines.

[0003] Currently available molten salt power generation and energy storage electric heaters are susceptible to damage from prolonged vibration. Vibration can loosen connecting components such as bolts, leading to component displacement or detachment and affecting normal equipment operation. It can also cause internal electrical components, such as wiring and solder joints, to loosen or break, resulting in short circuits, open circuits, and other electrical faults. Furthermore, vibration accelerates fatigue wear on pipes and welds, reducing equipment lifespan and increasing maintenance costs and downtime. Additionally, existing point-of-use energy storage electric heaters lack adequate early warning systems for excessive vibration, potentially leading to safety accidents due to overheating, overpressure, or component damage. Without timely warnings and effective preventative measures, equipment rupture and molten salt leakage could occur, potentially causing fires, explosions, and other serious accidents, resulting in casualties and property damage.

[0004] Therefore, this utility model provides a molten salt power generation and energy storage electric heater. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A molten salt power generation and energy storage electric heater of this utility model includes a body. Eight sets of pads are provided inside the body. A limiting ring is fixedly installed on the bottom surface of the inner wall of the body, and the eight sets of pads are distributed in pairs outside the limiting ring. A second spring is welded to the top of each pad, and the other end of the second spring is welded to the heater body. Connecting ears are provided around the bottom of the heater body, and the connecting ears are located at the center of two sets of pads. Two sets of support plates are provided at the bottom of the connecting ears, and two sets of support columns are installed at the bottom of the two sets of support plates. The two sets of support columns face opposite directions, and a positioning ring is provided at one end of each support column. The positioning ring has two sets of sliders welded inside, which are slidably connected to a sliding groove. The two ends of the sliding groove are welded to two sets of pads. By adding a vibration damping structure to the bottom of the device, when vibration occurs during the operation of the heater, the vibration of the vertical part can be offset by the first spring at the bottom. The second spring is pushed by the two sets of positioning rings connected to the bottom of the connecting ear, which push the support columns on both sides, thereby further increasing the vibration damping effect. This avoids the long-term vibration from causing the connecting parts of the molten salt power generation and energy storage heater, such as bolts, to loosen, leading to component displacement or detachment, affecting the normal operation of the equipment. It also prevents the internal electrical components, such as wiring and solder joints, from loosening or breaking, causing electrical faults such as short circuits and open circuits.

[0007] The heater body has four sets of damping plates around its perimeter. Inside the bottom sides of each damping plate are two sets of air film chambers. Each air film chamber contains an air film, and the bottom of the air film has a gas supply pipe. The other end of the gas supply pipe is connected to an air inlet, and one end of the air inlet is welded to an air-sealing pipe. Inside the air-sealing pipe are four traction ropes, one end of which is connected to a piston. The outside of the air-sealing pipe has graduation markings. Inside the damping plates is an impact reactor, the bottom of which is connected to a connecting line, the other end of which is connected to an alarm light. The four sets of air-sealing pipes are arranged side-by-side on the outside of the body. The gas supply pipe passes through the body and is located inside the body. A damping connector is installed between the second spring and the first spring and their corresponding connecting parts. The air-sealed tube is sealed inside; the piston is engaged with the inner wall of the air-sealed tube. This structural design, through the addition of an alarm structure inside the device, ensures that when the heater vibrates violently, the outer wall of the heater will collide with the damping plate. Simultaneously, the impact reactor inside the damping plate will send a signal to the alarm light upon impact, thus alerting nearby personnel. Furthermore, the early warning structure utilizes the impact force generated after the heater collides with the damping plate to compress the air inside the gas film, pushing the piston upwards. The current vibration amplitude can be clearly indicated via scale markings, thus preventing potential safety accidents caused by overheating, overpressure, or component damage during operation. Failure to provide timely warnings and take effective measures before an accident occurs could lead to equipment rupture.

[0008] The beneficial effects of this utility model are as follows:

[0009] 1. The molten salt power generation and energy storage electric heater of this utility model, by adding a vibration damping structure to the bottom of the device, can offset the vibration of the vertical part by the first spring at the bottom when the heater vibrates during operation. The second spring is pushed by the two sets of positioning rings connected to the bottom of the connecting ear to push the support columns on both sides, thereby further increasing the vibration damping effect. This avoids the long-term vibration from causing the connecting parts of the molten salt power generation and energy storage electric heater, such as bolts, to loosen, resulting in the displacement or falling off of the parts, affecting the normal operation of the equipment; it also avoids the loosening or breakage of internal electrical components, such as wiring and solder joints, causing electrical faults such as short circuits and open circuits.

[0010] 2. The molten salt power generation and energy storage electric heater described in this utility model incorporates an alarm structure inside the device. When the heater vibrates violently, the outer wall of the heater collides with the damping plate. Simultaneously, the impact reactor inside the damping plate sends a signal to the alarm light upon impact, thus alerting nearby personnel. Furthermore, the early warning structure ensures that the impact force generated after the heater collides with the damping plate compresses the air inside the gas film, lifting the piston. This allows for clear indication of the current vibration amplitude via scale markings, preventing potential safety accidents caused by overheating, overpressure, or component damage during operation. Failure to provide timely warnings and take effective measures before an accident occurs could lead to equipment breakage. Attached Figure Description

[0011] The present invention will be further described below with reference to the accompanying drawings.

[0012] Figure 1 This is a schematic diagram of the overall structure of the equipment;

[0013] Figure 2 This is a schematic diagram of the bottom vibration damping structure;

[0014] Figure 3 This is a schematic diagram of the amplitude early warning structure;

[0015] Figure 4 This is a schematic diagram of the vibration damping mechanism;

[0016] Figure 5 This is a schematic diagram of the disassembled structure of the shock absorber ring;

[0017] Figure 6 This is a schematic diagram of the alarm structure;

[0018] In the diagram: 1. Body; 2. Warning light; 3. Shock absorber; 4. Air shut-off pipe; 5. Scale markings; 6. Heater body; 7. Limiting ring; 8. Pad; 9. First spring; 10. Connecting lug; 11. Second spring; 12. Traction rope; 13. Air inlet; 14. Piston; 15. Air film chamber; 16. Air delivery pipe; 18. Support plate; 19. Slide groove; 20. Positioning ring; 21. Support column; 22. Slider; 23. Air film; 24. Impact reactor; 25. Connecting line. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] Please see Figures 1-6 As shown, a molten salt power generation and energy storage electric heater includes a body 1. Inside the body 1 are eight sets of pads 8. A limiting ring 7 is fixedly installed on the bottom surface of the inner wall of the body 1, with the eight sets of pads 8 distributed in pairs outside the limiting ring 7. A second spring 11 is welded to the top of each pad 8, and the other end of the second spring 11 is welded to the heater body 6. Connecting ears 10 are provided around the bottom of the heater body 6, located at the center of two sets of pads 8. Two sets of support plates 18 are provided at the bottom of the connecting ears 10, and two sets of support columns 21 are installed at the bottom of the two sets of support plates 18. The two sets of support columns 21 face opposite directions. A positioning ring 20 is provided at one end of each support column 21. Two sets of sliders 22 are welded inside the positioning ring 20, and the sliders 22 are slidably connected to a sliding groove 19. The two ends of the sliding groove 19 are welded to the two sets of pads 8. This molten salt power generation and energy storage electric heater ensures stable operation of the equipment through a unique vibration damping structure at the bottom. When vibration occurs during the operation of the heater body 6, the second spring 11 welded to the top of the eight sets of pads 8 inside the body 1 first plays a preliminary role in buffering the vertical vibration; the connecting ears 10 around the bottom of the heater body 6 will drive the two sets of support plates 18 and support columns 21 connected to the bottom to move when vibrating; the slider 22 in the positioning ring 20 at one end of the support column 21 slides in the slide groove 19, pushing the support columns 21 on both sides to squeeze the first spring 9, further offsetting the vibration; at the same time, the damping connector installed between the first spring 9 and the corresponding connecting parts can effectively absorb vibration energy and reduce vibration transmission; in this way, long-term vibration is avoided, such as loosening of bolts, displacement or detachment of parts, and short circuits or open circuits caused by loosening or breakage of internal electrical components and solder joints of the molten salt power generation and energy storage heater, thus ensuring the normal operation of the equipment.

[0021] Four sets of damping plates 3 are arranged around the heater body 6. Two sets of air film chambers 15 are located on the bottom sides of the damping plates 3. An air film 23 is located inside each air film chamber 15. An air supply pipe 16 is located at the bottom of the air film 23, with the other end of the air supply pipe 16 connected to an air inlet 13. An air-sealing pipe 4 is welded to one end of the air inlet 13. Four traction ropes 12 are located inside the air-sealing pipe 4, with one end of each rope connected to a piston 14. Scale markings 5 ​​are located on the outside of the air-sealing pipe 4. An impact reactor 24 is located inside the damping plates 3. A connecting line 25 is connected to the bottom of the impact reactor 24, with the other end of the connecting line 25 connected to an alarm light 2. The four sets of air-sealing pipes 4 are arranged side-by-side on the outside of the body 1. The air supply pipe 16 passes through the body 1 and is located inside the body 1. A damping connector is installed between the second spring 11 and the first spring 9 and their corresponding connecting parts. The air-sealing pipe 4 is sealed inside. The piston 14 is engaged with the inner wall of the air-sealing pipe 4. This electric heater is powered by internal damping... The alarm structure is designed to provide vibration early warning. When the heater body 6 vibrates violently, its outer wall will collide with the surrounding damping plates 3. After the impact reactor 24 inside the damping plate 3 is impacted, it will send a signal to the alarm light 2 through the connecting line 25, and the alarm light 2 will light up to remind nearby personnel. At the same time, the air film 23 in the air film chamber 15 at the bottom inside the damping plate 3 will be compressed by the impact force generated by the heater hitting the damping plate 3. The air film 23 will be pushed upward by the piston 14 in the air-sealing pipe 4 through the air supply pipe 16. The air-sealing pipe 4 is equipped with a scale mark 5 on the outside. By observing the position of the piston 14 on the scale mark 5, the current vibration amplitude can be determined. This early warning structure design allows operators to keep abreast of the equipment vibration and take effective measures in advance to avoid serious accidents such as equipment breakage and molten salt leakage before safety accidents may occur due to overheating, overpressure, or component damage during operation.

[0022] Working principle: This molten salt power generation and energy storage electric heater ensures stable operation through a unique vibration damping structure at the bottom. When vibration occurs during the operation of the heater body 6, the second spring 11 welded to the top of the eight sets of pads 8 inside the body 1 initially buffers the vertical vibration. The connecting ears 10 around the bottom of the heater body 6 drive the two sets of support plates 18 and support columns 21 connected at the bottom to move during vibration. The slider 22 in the positioning ring 20 at one end of the support column 21 slides in the groove 19, pushing the support columns 21 on both sides to squeeze the first spring 9, further offsetting the vibration. At the same time, the damping connector installed between the first spring 9 and the corresponding connecting parts can effectively absorb vibration energy and reduce vibration transmission. In this way, long-term vibration can be avoided, preventing the connection parts of the molten salt power generation and energy storage electric heater from loosening of bolts, displacement or detachment of parts, and electrical faults such as short circuits and open circuits caused by loosening or breaking of internal electrical components and solder joints, thus ensuring the normal operation of the equipment. The electric heater operates normally; it uses an internal alarm structure to provide vibration warnings. When the heater body 6 vibrates violently, its outer wall will collide with the surrounding damping plates 3. After the impact reactor 24 inside the damping plate 3 is impacted, it will send a signal to the alarm light 2 through the connecting line 25, and the alarm light 2 will light up to remind nearby personnel. At the same time, the air film 23 in the air film chamber 15 at the bottom inside the damping plate 3 is compressed by the impact force generated by the heater hitting the damping plate 3. The air is pushed upward by the piston 14 in the air-sealing pipe 4 through the air supply pipe 16. The air-sealing pipe 4 is equipped with a scale mark 5 on the outside. By observing the position of the piston 14 on the scale mark 5, the current vibration amplitude can be determined. This warning structure design allows operators to keep abreast of the equipment vibration and take effective measures in advance to avoid serious accidents such as equipment breakage and molten salt leakage before safety accidents may occur due to overheating, overpressure, or component damage during operation.

[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A molten salt power generation and energy storage electric heater, characterized in that: The device includes a body (1), inside which are provided eight sets of pads (8). A limiting ring (7) is fixedly installed on the bottom surface of the inner wall of the body (1), and the eight sets of pads (8) are distributed in pairs on the outside of the limiting ring (7). A second spring (11) is welded to the top of the pad (8), and a heater body (6) is welded to the other end of the second spring (11). Connecting ears (10) are provided around the bottom of the heater body (6), and the connecting ears (10) are located at the center of the two sets of pads (8). Two sets of support plates (18) are provided at the bottom of the connecting ears (10), and two sets of support columns (21) are installed at the bottom of the two sets of support plates (18). The two sets of support columns (21) face opposite directions. A positioning ring (20) is provided at one end of the support column (21), and two sets of sliders (22) are welded inside the positioning ring (20). The sliders (22) are slidably connected to the slide groove (19), and the two ends of the slide groove (19) are welded to the two sets of pads (8).

2. The molten salt power generation and energy storage electric heater according to claim 1, characterized in that: The heater body (6) is provided with four sets of damping plates (3) around its perimeter. The damping plates (3) are provided with two sets of air film chambers (15) on both sides of the bottom of the interior. The air film chambers (15) are provided with an air film (23) inside. The bottom of the air film (23) is provided with an air supply pipe (16). The other end of the air supply pipe (16) is connected to the air inlet (13). One end of the air inlet (13) is welded with an air-sealing pipe (4).

3. The molten salt power generation and energy storage electric heater according to claim 2, characterized in that: The air-sealed tube (4) is equipped with four traction ropes (12) inside, one end of which is connected to the piston (14); the air-sealed tube (4) is equipped with scale markings (5) on the outside.

4. The molten salt power generation and energy storage electric heater according to claim 2, characterized in that: The shock absorber (3) has an impact reactor (24) inside, and the bottom of the impact reactor (24) is connected to a connecting line (25), the other end of which is connected to an alarm light (2).

5. The molten salt power generation and energy storage electric heater according to claim 2, characterized in that: The four sets of air-sealing pipes (4) are arranged side by side on the outside of the fuselage (1); the air supply pipe (16) passes through the fuselage (1) and is placed inside the fuselage (1).

6. The molten salt power generation and energy storage electric heater according to claim 1, characterized in that: A damping connector is installed between the second spring (11) and the first spring (9) and their corresponding connecting parts.

7. The molten salt power generation and energy storage electric heater according to claim 3, characterized in that: The air-sealed tube (4) is in a sealed state; the piston (14) is engaged with the inner wall of the air-sealed tube (4).

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