High-temperature long-axis molten salt pump performance detection device

Abstract

The invention belongs to the field of performance detection devices, and particularly relates to a high-temperature long-axis molten salt pump performance detection device which comprises a hollow base, a barrel shell is fixedly mounted at the top of the hollow base, a circular cover plate is arranged at the top of the barrel shell, and a molten salt storage tank is arranged at the top of the hollow base. A high-temperature long-shaft molten salt pump is fixedly installed at the top of the molten salt storage tank, first temperature sensors which are symmetrically arranged are fixedly installed at the bottom of the circular cover plate, second temperature sensors which are symmetrically arranged are fixedly installed on the inner wall of the barrel shell, and the number of the first temperature sensors and the number of the second temperature sensors are both two. The molten salt storage tank and the high-temperature long-axis molten salt pump on the hollow base can be fixed through the arc-shaped clamp on the hollow base, the stability in the detection process is improved, the barrel shell can be sealed through the round cover plate, the detection efficiency is improved, and the detection precision is improved. And the heat loss of the fused salt storage tank is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of performance detection devices, and in particular to a high-temperature long-axis molten salt pump performance detection device. Background Art

[0002] Currently, the most widely used solar thermal power generation technologies are tower technology and trough technology. The media used in the heat storage system are mostly molten salt. To achieve system heat exchange in the power station, a high-temperature long-axis molten salt pump is required to provide power and pump molten salt for heat exchange.

[0003] The medium movement in the high-temperature long-axis molten salt pump is very complex. At present, the design of the pump is still based on the experience from scientific experiments and production practice, or a semi-theoretical and semi-empirical method. Therefore, the performance test of the high-temperature long-axis molten salt pump is of great significance for the design, production, use and improvement of the pump. It can not only provide detailed and reliable data as a technical basis for the improvement and commissioning of the pump, but also play an indispensable role in the research and development of the high-temperature long-axis molten salt pump theory and the innovation of the design method.

[0004] The high-temperature long-axis molten salt pump performance detection device in the prior art is not convenient for fixing the positions of the high-temperature long-axis molten salt pump and the molten salt storage tank, has low stability during detection, and is not convenient for sealing the high-temperature long-axis molten salt pump. Therefore, the present invention proposes a high-temperature long-axis molten salt pump performance detection device to solve the above problems. Summary of the invention

[0005] Based on the background technology, there is a high-temperature long-axis molten salt pump performance detection device, which is not convenient for fixing the positions of the high-temperature long-axis molten salt pump and the molten salt storage tank, has low stability during detection, and is not convenient for sealing the high-temperature long-axis molten salt pump. The present invention proposes a high-temperature long-axis molten salt pump performance detection device.

[0006] A high-temperature long-axis molten salt pump performance detection device proposed in the present invention comprises a hollow base, a drum shell is fixedly installed on the top of the hollow base, a circular cover plate is arranged on the top of the drum shell, a molten salt storage tank is arranged on the top of the hollow base, a high-temperature long-axis molten salt pump is fixedly installed on the top of the molten salt storage tank, a symmetrically arranged first temperature sensor is fixedly installed on the bottom of the circular cover plate, a symmetrically arranged second temperature sensor is fixedly installed on the inner wall of the drum shell, the number of the first temperature sensor and the second temperature sensor are both two, a pressure gauge and a liquid level gauge are respectively fixedly installed on the left side of the top of the molten salt storage tank, a symmetrically arranged electric heating rod is fixedly installed on the inner wall of the drum shell, the number of the electric heating rod is two, and a speed sensor is fixedly installed on the high-temperature long-axis molten salt pump;

[0007] A clamping mechanism and a fixing mechanism are respectively arranged on the inner side of the hollow base, and the clamping mechanism cooperates with the fixing mechanism and the molten salt storage tank respectively. A sealing mechanism and a disassembly mechanism are respectively arranged on the left and right sides of the drum shell, and the sealing mechanism cooperates with the circular cover plate and the disassembly mechanism respectively.

[0008] By means of the above mechanism: the molten salt storage tank and the high-temperature long-axis molten salt pump on the hollow base can be fixed through the arc clamp on the hollow base to increase the stability during detection, and the drum shell can be sealed through the circular cover to reduce the heat loss of the molten salt storage tank.

[0009] Preferably, the clamping mechanism comprises: two arc-shaped clamps, a rack, a gear, a rotating rod, a connecting block and a driving rod;

[0010] The arc-shaped clamp is slidably connected to the bottom inner wall of the hollow base, and a protective pad is fixedly installed on the side where the two arc-shaped clamps are close to each other. The rack is fixedly connected to the arc-shaped clamp located on the left side, the rack is meshed with the gear, the gear is rotatably connected to the hollow base, the gear is fixedly connected to the rotating rod, the rotating rod is rotatably connected to the connecting block, the connecting block is slidably connected to the driving rod, and the driving rod is fixedly connected to the arc-shaped clamp located on the right side.

[0011] Furthermore, when the arc-shaped clamp at the left position is pushed to move to the right, the rack will be driven to move, so that the rack can drive the gear to rotate counterclockwise, and the gear can drive the rotating rod to rotate counterclockwise, so that the top of the rotating rod can move to the left, and the connecting block can pull the driving rod and the arc-shaped clamp at the right position to move to the left, so that the two arc-shaped clamps can approach each other to clamp the molten salt storage tank.

[0012] Preferably, the fixing mechanism comprises: a T-shaped control frame, a fixing frame and an engagement frame;

[0013] The T-shaped control frame is slidably connected to the left side of the hollow base, the T-shaped control frame is fixedly connected to the arc-shaped clamp located at the left position, the fixed frame is fixedly connected to the hollow base, the engagement frame is slidably connected to the T-shaped control frame, and the engagement frames are engaged with each other.

[0014] Furthermore, after the mating frame is engaged with the engaging frame, the mating frame can block the movement of the T-shaped control frame, and the T-shaped control frame is fixedly connected to the arc clamp located on the left side. The two arc clamps are connected to each other, so that the positions of the two arc clamps can be positioned, so that the arc clamp can stably clamp the molten salt storage tank, and when the engaging frame is pushed to disengage from the fixed frame, the T-shaped control frame can be unlocked, so that the T-shaped control frame can push the arc clamp located on the left side to move to the right, so as to freely control the distance between the two arc clamps.

[0015] Preferably, the sealing mechanism comprises: an insertion frame, a positioning frame, a positioning spring and a docking sleeve;

[0016] The insertion frame is fixedly connected to the circular cover plate, the docking sleeve is fixedly connected to the barrel shell, the outer side of the insertion frame is in sliding contact with the inner side of the docking sleeve, the positioning frame is slidably connected to the inner wall of the docking sleeve, the positioning frame cooperates with the insertion frame, the insertion frame is fixedly connected to the positioning spring, and the positioning spring is fixedly connected to the docking sleeve.

[0017] Furthermore, after the insertion frame is engaged with the positioning frame, the positioning frame can connect the insertion frame with the docking sleeve to block the movement of the insertion frame on the inner side of the docking sleeve, thereby realizing the positioning of the insertion frame, and installing the insertion frame on the drum shell, and then the circular cover plate can be installed on the drum shell, so that the circular cover plate and the annular sealing ring can seal the drum shell.

[0018] Preferably, the disassembly mechanism comprises: a pulling rod, a sliding block and a rotating frame;

[0019] The pulling rod is rotatably connected with the sliding block and the positioning frame respectively, the sliding block is slidably connected with the docking sleeve, and the rotating frame is rotatably connected with the docking sleeve.

[0020] Furthermore, after the rotating frame is pressed and rotated counterclockwise, the right end of the rotating frame can be tilted up, tilting the sliding block, so that the sliding block can pull the pulling rod, so that the pulling rod can pull the positioning frame to separate from the insertion frame, to unlock the insertion frame, so that the insertion can be separated from the docking sleeve, to unlock the insertion frame and the circular cover plate, to open the barrel shell.

[0021] Preferably, a round rod is fixedly mounted on the right end of the rotating frame, and the round rod is in sliding contact with the bottom of the sliding block.

[0022] Furthermore, the round rod is used to connect the rotating frame and the sliding block, so that the rotating frame can tilt the sliding block when rotating.

[0023] Preferably, a positioning block is fixedly mounted on the right side of the positioning frame, a rectangular groove is opened on the left side of the insertion frame, and the right side of the positioning block is in sliding contact with the inner wall of the rectangular groove.

[0024] Furthermore, after the positioning block is inserted into the inner side of the rectangular groove, the positioning block can block the insertion frame from moving, so that the insertion frame can be installed on the inner side of the docking sleeve.

[0025] Preferably, an annular sealing ring is fixedly mounted on the bottom of the circular cover plate, and the bottom of the annular sealing ring is in sliding contact with the top of the drum shell.

[0026] Furthermore, the annular sealing ring is used to fill the gap between the circular cover plate and the drum shell, so as to seal the drum shell.

[0027] The beneficial effects of the present invention are:

[0028] 1. When the arc-shaped clamp on the left side is pushed to move to the right side, the rack will be driven to move, so that the rack can drive the gear to rotate counterclockwise, and the gear can drive the rotating rod to rotate counterclockwise, so that the top of the rotating rod can move to the left side, and the driving rod and the arc-shaped clamp on the right side can be pulled to move to the left side through the connecting block, so that the two arc-shaped clamps can be close to each other to clamp the molten salt storage tank;

[0029] 2. After the matching frame is engaged with the meshing frame, the matching frame can block the movement of the T-shaped control frame. The T-shaped control frame is fixedly connected to the arc-shaped clamp located on the left side. The two arc-shaped clamps are connected to each other, so that the positions of the two arc-shaped clamps can be positioned, so that the arc-shaped clamp can stably clamp the molten salt storage tank, and the T-shaped control frame can be unlocked when the meshing frame is disengaged from the fixed frame, so that the T-shaped control frame can push the arc-shaped clamp located on the left side to move to the right, so as to freely control the distance between the two arc-shaped clamps;

[0030] 3. After the insertion frame is engaged with the positioning frame, the positioning frame can connect the insertion frame with the docking sleeve to block the movement of the insertion frame on the inner side of the docking sleeve, so as to realize the positioning of the insertion frame, install the insertion frame on the outer shell of the drum, and install the circular cover plate on the outer shell of the drum, so that the circular cover plate and the annular sealing ring can seal the outer shell of the drum;

[0031] 4. After the rotating frame is pressed and rotated counterclockwise, the right end of the rotating frame can be tilted up, and the sliding block can be tilted up, so that the sliding block can pull the pulling rod, so that the pulling rod can pull the positioning frame to separate from the insertion frame, so as to unlock the insertion frame, so that the insertion can be separated from the docking sleeve, so as to unlock the insertion frame and the circular cover plate, and open the outer shell of the drum;

[0032] The present invention can fix the molten salt storage tank and the high-temperature long-axis molten salt pump on the hollow base through the arc-shaped clamp on the hollow base, thereby increasing the stability during detection, and can also seal the drum shell through the circular cover plate, thereby reducing the heat loss of the molten salt storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a schematic diagram of the structure of a high-temperature long-axis molten salt pump performance detection device proposed by the present invention;

[0034] Figure 2 A schematic diagram of a cross-sectional top view of a hollow base structure of a high-temperature long-axis molten salt pump performance detection device proposed by the present invention;

[0035] Figure 3 A three-dimensional schematic diagram of a structural hollow base and an arc-shaped fixture of a high-temperature long-axis molten salt pump performance detection device proposed by the present invention;

[0036] Figure 4 The present invention provides a high-temperature long-axis molten salt pump performance detection device. Figure 1 Middle A is an enlarged schematic diagram;

[0037] Figure 5 The present invention provides a high-temperature long-axis molten salt pump performance detection device. Figure 1 Middle B is an enlarged schematic diagram.

[0038] In the figure: 1. hollow base; 2. drum shell; 3. round cover plate; 4. molten salt storage tank; 5. high-temperature long-axis molten salt pump; 6. pressure gauge; 7. liquid level gauge; 8. annular sealing ring; 9. first temperature sensor; 10. second temperature sensor; 11. electric heating rod; 12. arc clamp; 13. rack; 14. gear; 15. rotating rod; 16. connecting block; 17. driving rod; 18. T-type control frame; 19. fixed frame; 20. meshing frame; 21. insertion frame; 22. positioning frame; 23. positioning spring; 24. pulling rod; 25. sliding block; 26. rotating frame; 27. speed sensor; 28. docking sleeve. DETAILED DESCRIPTION

[0039] The present invention will be further explained below in conjunction with specific embodiments.

[0040] refer to Figure 1-5 In this embodiment, a high-temperature long-axis molten salt pump performance detection device is proposed, comprising a hollow base 1, a drum shell 2 is fixedly installed on the top of the hollow base 1, a circular cover plate 3 is provided on the top of the drum shell 2, a molten salt storage tank 4 is provided on the top of the hollow base 1, a high-temperature long-axis molten salt pump 5 is fixedly installed on the top of the molten salt storage tank 4, a symmetrically arranged first temperature sensor 9 is fixedly installed on the bottom of the circular cover plate 3, a symmetrically arranged second temperature sensor 10 is fixedly installed on the inner wall of the drum shell 2, and the number of the first temperature sensor 9 and the second temperature sensor 10 are both two, a pressure gauge 6 and a liquid level gauge 7 are respectively fixedly installed on the left side of the top of the molten salt storage tank 4, a symmetrically arranged electric heating rod 11 is fixedly installed on the inner wall of the drum shell 2, and the number of the electric heating rod 11 is two, and a speed sensor 27 is fixedly installed on the high-temperature long-axis molten salt pump 5;

[0041] A clamping mechanism and a fixing mechanism are respectively provided on the inner side of the hollow base 1, and the clamping mechanism cooperates with the fixing mechanism and the molten salt storage tank 4 respectively. A sealing mechanism and a disassembly mechanism are respectively provided on the left and right sides of the drum shell 2, and the sealing mechanism cooperates with the circular cover plate 3 and the disassembly mechanism respectively.

[0042] By means of the above mechanism: the molten salt storage tank 4 and the high-temperature long-axis molten salt pump 5 on the hollow base 1 can be fixed through the arc clamp 12 on the hollow base 1 to increase the stability during detection, and the drum shell 2 can be sealed through the circular cover plate 3 to reduce the heat loss of the molten salt storage tank 4.

[0043] In this embodiment, the clamping mechanism includes: two arc-shaped clamps 12, a rack 13, a gear 14, a rotating rod 15, a connecting block 16 and a driving rod 17;

[0044] The arc-shaped clamp 12 is slidably connected to the bottom inner wall of the hollow base 1, and a pad is fixedly installed on the side where the two arc-shaped clamps 12 are close to each other. The rack 13 is fixedly connected to the arc-shaped clamp 12 located on the left side, and the rack 13 is meshed with the gear 14. The gear 14 is rotatably connected to the hollow base 1, and the gear 14 is fixedly connected to the rotating rod 15. The rotating rod 15 is rotatably connected to the connecting block 16. The connecting block 16 is slidably connected to the driving rod 17, and the driving rod 17 is connected to the arc-shaped clamp 12 located on the right side. The clamp 12 is fixedly connected, and when the arc-shaped clamp 12 at the left position is pushed to move to the right, it will drive the rack 13 to move, so that the rack 13 can drive the gear 14 to rotate counterclockwise, and the gear 14 can drive the rotating rod 15 to rotate counterclockwise, so that the top of the rotating rod 15 can move to the left, and the driving rod 17 and the arc-shaped clamp 12 at the right position can be pulled to move to the left through the connecting block 16, so that the two arc-shaped clamps 12 can approach each other to clamp the molten salt storage tank 4.

[0045] In this embodiment, the fixing mechanism includes: a T-shaped control frame 18, a fixing frame 19 and an engagement frame 20;

[0046] The T-shaped control frame 18 is slidably connected to the left side of the hollow base 1, the T-shaped control frame 18 is fixedly connected to the arc-shaped clamp 12 located at the left position, the fixed frame 19 is fixedly connected to the hollow base 1, the engaging frame 20 is slidably connected to the T-shaped control frame 18, the engaging frame 20 is engaged with the engaging frame 20, after the matching frame is engaged with the engaging frame 20, the matching frame can block the T-shaped control frame 18 from moving, the T-shaped control frame 18 is fixedly connected to the arc-shaped clamp 12 located at the left position, and the two arc-shaped clamps 12 are connected to each other, so that the positions of the two arc-shaped clamps 12 can be positioned, so that the arc-shaped clamp 12 can stably clamp the molten salt storage tank 4, and when the engaging frame 20 is pushed to disengage from the fixed frame 19, the T-shaped control frame 18 can be unlocked, so that the T-shaped control frame 18 can push the arc-shaped clamp 12 located at the left position to move to the right, so as to freely control the distance between the two arc-shaped clamps 12.

[0047] In this embodiment, the sealing mechanism includes: an insertion frame 21, a positioning frame 22, a positioning spring 23 and a docking sleeve 28;

[0048] The insertion frame 21 is fixedly connected to the circular cover plate 3, the docking sleeve 28 is fixedly connected to the drum shell 2, the outer side of the insertion frame 21 is in sliding contact with the inner side of the docking sleeve 28, the positioning frame 22 is slidably connected to the inner wall of the docking sleeve 28, the positioning frame 22 cooperates with the insertion frame 21, the insertion frame 21 is fixedly connected to the positioning spring 23, and the positioning spring 23 is fixedly connected to the docking sleeve 28. After the insertion frame 21 is engaged with the positioning frame 22, the positioning frame 22 can connect the insertion frame 21 with the docking sleeve 28 to block the movement of the insertion frame 21 on the inner side of the docking sleeve 28, so as to realize the positioning of the insertion frame 21, and install the insertion frame 21 on the drum shell 2, and then install the circular cover plate 3 on the drum shell 2, so that the circular cover plate 3 and the annular sealing ring 8 can seal the drum shell 2.

[0049] In this embodiment, the disassembly mechanism includes: a pulling rod 24, a sliding block 25 and a rotating frame 26;

[0050] The pulling rod 24 is rotatably connected to the sliding block 25 and the positioning frame 22 respectively, the sliding block 25 is slidably connected to the docking sleeve 28, and the rotating frame 26 is rotatably connected to the docking sleeve 28. After the rotating frame 26 is pressed and rotated counterclockwise, the right end of the rotating frame 26 can be tilted up to tilt the sliding block 25, so that the sliding block 25 can pull the pulling rod 24, so that the pulling rod 24 can pull the positioning frame 22 to disengage from the insertion frame 21, to unlock the insertion frame 21, so that the insertion can be disengaged from the docking sleeve 28, to unlock the insertion frame 21 and the circular cover plate 3, to open the drum shell 2.

[0051] In this embodiment, a round rod is fixedly installed on the right end of the rotating frame 26, and the round rod is in sliding contact with the bottom of the sliding block 25. The round rod is used to connect the rotating frame 26 and the sliding block 25, so that the rotating frame 26 can lift the sliding block 25 when rotating.

[0052] In this embodiment, a positioning block is fixedly installed on the right side of the positioning frame 22, and a rectangular groove is opened on the left side of the insertion frame 21. The right side of the positioning block is in sliding contact with the inner wall of the rectangular groove. After the positioning block is inserted into the inner side of the rectangular groove, the positioning block can block the movement of the insertion frame 21, so that the insertion frame 21 can be installed on the inner side of the docking sleeve 28.

[0053] In this embodiment, an annular sealing ring 8 is fixedly installed at the bottom of the circular cover plate 3, and the bottom of the annular sealing ring 8 is in sliding contact with the top of the drum shell 2. The annular sealing ring 8 is used to fill the gap between the circular cover plate 3 and the drum shell 2 to seal the drum shell 2.

[0054] Working principle: when the molten salt storage tank 4 and the high-temperature long-axis molten salt pump 5 need to be tested, it is only necessary to start the electric heating rod 11 and the high-temperature long-axis molten salt pump 5 on the inner side of the drum shell 2. The electric heating rod 11 is used to simulate a high-temperature environment. The temperature inside the drum shell 2 is detected by two first temperature sensors 9 and two second temperature sensors 10. The speed sensor 27 is then used to detect the speed of the high-temperature long-axis molten salt pump 5, so as to detect the long-term operation of the high-temperature long-axis molten salt pump 5 in a high-temperature environment. The pressure gauge 6 and the liquid level gauge can detect the parameters of the molten salt storage tank 4. After the test is completed, the two rotating frames 26 are rotated on the two docking sleeves 28. After the rotating frame 26 is pressed and rotated counterclockwise, the right end of the rotating frame 26 can be tilted up, and the sliding block 25 is tilted up, so that the sliding block 2 5 can pull the pull rod 24 so that the pull rod 24 can pull the positioning frame 22 to disengage from the insertion frame 21 to unlock the insertion frame 21, so that the insertion can be disengaged from the docking sleeve 28 to unlock the insertion frame 21 and the circular cover plate 3. The annular sealing ring 8 is in an interference fit state with the drum shell 2 and the circular cover plate 3. The annular sealing ring 8 is continuously compressed, and the circular cover plate 3 is unlocked and reset to pop out the circular cover plate 3 to open the drum shell 2, and then push the engagement frame 20 to disengage from the fixing frame 19 to unlock the T-shaped control frame 18. The T-shaped control frame 18 controls the distance between the two arc-shaped clamps 12, and the distance between the two arc-shaped clamps 12 can be unlocked to take out the molten salt storage tank 4 and the high-temperature long-axis molten salt pump 5, and the process is completed. To inspect the molten salt storage tank 4 and the high-temperature long-axis molten salt pump 5, when it is necessary to inspect the molten salt storage tank 4 and the high-temperature long-axis molten salt pump 5 again, it is only necessary to put the molten salt storage tank 4 and the high-temperature long-axis molten salt pump 5 into the top of the hollow base 1, and then push the T-shaped control frame 18 to move to the right, and the T-shaped control frame 18 can drive the arc-shaped clamp 12 located on the left side to move to the right and fit with the left side of the molten salt storage tank 4. When the arc-shaped clamp 12 on the left side is pushed to move to the right, it will drive the rack 13 to move, so that the rack 13 can drive the gear 14 to rotate counterclockwise, and the gear 14 can drive the rotating rod 15 to rotate counterclockwise, so that the top of the rotating rod 15 can move to the left, and the driving rod 17 and the arc-shaped clamp 12 located on the right side can be pulled through the connecting block 16. The clamp 12 moves to the left side so that the two arc clamps 12 can approach each other to clamp the molten salt storage tank 4. At this time, the engaging frame 20 is pushed to engage with the fixing frame 19. After the matching frame is engaged with the engaging frame 20, the matching frame can block the movement of the T-shaped control frame 18. The T-shaped control frame 18 is fixedly connected to the arc clamp 12 located on the left side. The two arc clamps 12 are connected to each other, which can realize the positioning of the positions of the two arc clamps 12, so that the arc clamp 12 can stably clamp the molten salt storage tank 4. Finally, the circular cover plate 3 is placed on the top of the drum shell 2, and the insertion frame 21 enters the inner side of the docking sleeve 28. Finally, the circular cover plate 3 is pressed, and the circular cover plate 3 presses the annular sealing ring 8, so that the insertion frame 21 is aligned with the positioning frame 22.At this time, release the positioning frame 22, so that the positioning frame 22 is engaged with the insertion frame 21. After the insertion frame 21 is engaged with the positioning frame 22, the positioning frame 22 can connect the insertion frame 21 with the docking sleeve 28 to block the movement of the insertion frame 21 on the inner side of the docking sleeve 28, so as to realize the positioning of the insertion frame 21, and install the insertion frame 21 on the drum shell 2, and then install the circular cover plate 3 on the drum shell 2, so that the circular cover plate 3 and the annular sealing ring 8 can seal the drum shell 2, and complete the installation of the molten salt storage tank 4 and the high-temperature long-axis molten salt pump 5, and then the molten salt storage tank 4 and the high-temperature long-axis molten salt pump 5 can be tested.

[0055] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-temperature long-axis molten salt pump performance detection device, comprising a hollow base (1), characterized in that: A cylindrical shell (2) is fixedly mounted on the top of the hollow base (1), a circular cover plate (3) is provided on the top of the cylindrical shell (2), a molten salt storage tank (4) is provided on the top of the hollow base (1), a high-temperature long-axis molten salt pump (5) is fixedly mounted on the top of the molten salt storage tank (4), a symmetrically arranged first temperature sensor (9) is fixedly mounted on the bottom of the circular cover plate (3), a symmetrically arranged second temperature sensor (10) is fixedly mounted on the inner wall of the cylindrical shell (2), the number of the first temperature sensor (9) and the number of the second temperature sensor (10) are both two, a pressure gauge (6) and a liquid level gauge (7) are fixedly mounted on the left side of the top of the molten salt storage tank (4), a symmetrically arranged electric heating rod (11) is fixedly mounted on the inner wall of the cylindrical shell (2), the number of the electric heating rod (11) is two, and a rotation speed sensor (27) is fixedly mounted on the high-temperature long-axis molten salt pump (5); A clamping mechanism and a fixing mechanism are respectively provided on the inner side of the hollow base (1), and the clamping mechanism cooperates with the fixing mechanism and the molten salt storage tank (4) respectively. A sealing mechanism and a disassembly mechanism are respectively provided on the left and right sides of the cylindrical shell (2), and the sealing mechanism cooperates with the circular cover plate (3) and the disassembly mechanism respectively.

2. A high-temperature long-axis molten salt pump performance detection device according to claim 1, characterized in that: The clamping mechanism comprises: two arc-shaped clamps (12), a rack (13), a gear (14), a rotating rod (15), a connecting block (16) and a driving rod (17); The arc-shaped clamp (12) is slidably connected to the bottom inner wall of the hollow base (1); a protective pad is fixedly installed on the side where the two arc-shaped clamps (12) are close to each other; the rack (13) is fixedly connected to the arc-shaped clamp (12) located at the left position; the rack (13) is meshed with the gear (14); the gear (14) is rotatably connected to the hollow base (1); the gear (14) is fixedly connected to the rotating rod (15); the rotating rod (15) is rotatably connected to the connecting block (16); the connecting block (16) is slidably connected to the driving rod (17); and the driving rod (17) is fixedly connected to the arc-shaped clamp (12) located at the right position.

3. A high-temperature long-axis molten salt pump performance detection device according to claim 1, characterized in that: The fixing mechanism comprises: a T-shaped control frame (18), a fixing frame (19) and an engagement frame (20); The T-shaped control frame (18) is slidably connected to the left side of the hollow base (1), the T-shaped control frame (18) is fixedly connected to the arc-shaped clamp (12) located at the left side, the fixed frame (19) is fixedly connected to the hollow base (1), the meshing frame (20) is slidably connected to the T-shaped control frame (18), and the meshing frame (20) meshes with the meshing frame (20).

4. A high-temperature long-axis molten salt pump performance detection device according to claim 1, characterized in that: The sealing mechanism comprises: an insertion frame (21), a positioning frame (22), a positioning spring (23) and a docking sleeve (28); The insertion frame (21) is fixedly connected to the circular cover plate (3), the docking sleeve (28) is fixedly connected to the cylindrical shell (2), the outer side of the insertion frame (21) is in sliding contact with the inner side of the docking sleeve (28), the positioning frame (22) is slidably connected to the inner wall of the docking sleeve (28), the positioning frame (22) is matched with the insertion frame (21), the insertion frame (21) is fixedly connected to the positioning spring (23), and the positioning spring (23) is fixedly connected to the docking sleeve (28).

5. A high-temperature long-axis molten salt pump performance detection device according to claim 1, characterized in that: The disassembly mechanism comprises: a pulling rod (24), a sliding block (25) and a rotating frame (26); The pulling rod (24) is rotatably connected to the sliding block (25) and the positioning frame (22) respectively, the sliding block (25) is slidably connected to the docking sleeve (28), and the rotating frame (26) is rotatably connected to the docking sleeve (28).

6. A high-temperature long-axis molten salt pump performance detection device according to claim 5, characterized in that: A round rod is fixedly mounted on the right end of the rotating frame (26), and the round rod is in sliding contact with the bottom of the sliding block (25).

7. A high-temperature long-axis molten salt pump performance detection device according to claim 4, characterized in that: A positioning block is fixedly mounted on the right side of the positioning frame (22), a rectangular groove is opened on the left side of the insertion frame (21), and the right side of the positioning block is in sliding contact with the inner wall of the rectangular groove.

8. A high-temperature long-axis molten salt pump performance detection device according to claim 1, characterized in that: An annular sealing ring (8) is fixedly mounted on the bottom of the circular cover plate (3), and the bottom of the annular sealing ring (8) is in sliding contact with the top of the cylindrical shell (2).

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