A high-temperature vertical molten salt pump

By introducing a vertical-to-vertical switching mechanism and a horizontal adjustment component into the high-temperature vertical molten salt pump, the problem of needing to hoist equipment for the maintenance of large high-temperature molten salt pumps has been solved, and convenient maintenance operations without repeated disassembly and assembly have been achieved.

CN224943941UActive Publication Date: 2026-11-06JIANGSU HAISHI PUMPS MFG CO LTD
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Patent Information

Application Number
CN202521223951.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-13
Publication Date
2026-11-06
Estimated Expiration
2035-06-13

AI Technical Summary

Technical Problem

The overhaul of large high-temperature molten salt pumps requires the assistance of hoisting equipment to lower them down, which is cumbersome and inconvenient due to repeated disassembly and reassembly.

Method used

A tilting/lifting switching mechanism was designed, including a rack and pinion and a worm gear transmission system. The rotation of the adjustment seat is controlled by a drive motor to realize the tilting and repositioning of the high-temperature molten salt pump body. Combined with a horizontal angle adjustment component and a threaded transmission system, the tilting direction can be adjusted to adapt to different installation positions.

Benefits of technology

It simplifies the maintenance process of high-temperature molten salt pumps, avoids repeated disassembly and assembly, and is simple and convenient to operate, thus improving the convenience and applicability of maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a high-temperature vertical molten salt pump, relating to the technical field of vertical molten salt pumps. It includes a high-temperature molten salt pump body, a base plate below the pump body, a first support frame fixedly mounted on the base plate, and an adjustment seat mounted at the bottom of the pump body. The adjustment seat is rotatably connected to the top of the first support frame via first rotating shafts fixed on both sides. The base plate is equipped with a tilting mechanism that can drive the adjustment seat to rotate and tilt the high-temperature molten salt pump body. This utility model uses a first drive motor to drive a worm gear to rotate, which in turn meshes with a worm wheel to drive a gear, which in turn meshes with a rack to drive the adjustment seat to rotate. This allows the high-temperature molten salt pump body on the adjustment seat to be tilted to one side according to maintenance needs, enabling maintenance operations without repeated disassembly and reassembly of the pump body, making the operation simple and convenient.
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Description

Technical Field

[0001] This utility model relates to the field of vertical molten salt pump technology, and more specifically, to a high-temperature vertical molten salt pump. Background Technology

[0002] The high-temperature vertical molten salt pump is a special pump designed for conveying high-temperature molten salts (such as molten salt mixtures like potassium nitrate and sodium nitrate). It adopts a vertical structure and features high temperature resistance, corrosion resistance, and strong sealing. Its working temperature can usually reach above 300℃, and it can adapt to high-temperature media of up to about 500℃. It is mainly used in industrial scenarios that require high-temperature fluid transmission.

[0003] For example, an existing patent (publication number: CN118564496B) discloses a vertical multi-stage high-temperature molten salt pump, which relates to a high-temperature molten salt pump, including a molten salt pump body with a base plate fixedly installed at the bottom. The bottom of the base plate is connected to a base, and there is a gap between the base plate and the base. The present invention tightly fits the sealing ring with the smooth top of the tank. By turning on the motor, the rotating shaft can drive the turntable to rotate, and the rotating part can drive the first piston to slide back and forth in the cavity. At the same time, the air between the tank and the negative pressure tank is drawn into the cavity through the one-way air inlet valve and discharged out of the cavity through the one-way air outlet valve, so that a negative pressure is generated between the negative pressure tank and the tank. The atmospheric pressure is used to firmly position the molten salt pump body, the base plate and the base on the top of the tank. By opening the solenoid valve, the outside air can enter the negative pressure tank to balance the atmospheric pressure, and the high-temperature molten salt pump can be released from the positioning, achieving the effect of boltless disassembly and assembly, which provides great convenience for installers or maintenance personnel.

[0004] However, when using the above-mentioned device, for large high-temperature molten salt pumps, maintenance still requires the assistance of hoisting equipment to lower them down before maintenance can be carried out. Moreover, the device needs to be repeatedly disassembled and reassembled before and after maintenance, making the operation quite cumbersome and inconvenient. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, this utility model provides a high-temperature vertical molten salt pump to solve the problem that when large high-temperature molten salt pumps are overhauled, it is still necessary to use hoisting equipment to help to lay them down before overhauling them, and the operation is cumbersome and inconvenient because it requires repeated disassembly and assembly before and after overhauling.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a high-temperature vertical molten salt pump, including a high-temperature molten salt pump body, a base plate is provided below the high-temperature molten salt pump body, a first support frame is fixedly installed on the base plate, an adjustment seat is installed at the bottom of the high-temperature molten salt pump body, the adjustment seat is rotatably connected to the top of the first support frame through first rotating shafts fixed on both sides, and a vertical tilting switching mechanism is provided on the base plate that can drive the adjustment seat to rotate and tilt the high-temperature molten salt pump body.

[0007] Preferably, the upright-to-inverting switching mechanism includes a rack, which is fixedly mounted on an adjustment base. A second support frame is fixedly mounted on the base plate, and a second rotating shaft is rotatably mounted on the second support frame. A gear and a worm gear are fixedly mounted on both sides of the second rotating shaft, respectively. The gear meshes with the rack. A first drive motor is fixedly mounted on the base plate, and a worm is fixedly connected to the output end of the first drive motor. The worm meshes with the worm gear.

[0008] Preferably, both the tuning base and the rack are arc-shaped structures, and the central angle of the tuning base and the rack is greater than or equal to 180 degrees.

[0009] Preferably, a horizontal adjustment component is provided below the base plate. The horizontal adjustment component includes a base, a ring frame is fixedly installed in the middle of the base, a rotation mechanism for driving the base plate to rotate is provided on the inner side of the ring frame, a ring rail is provided on the inner side of the ring frame, and the base plate is movably installed in the ring rail.

[0010] Preferably, each of the four corners of the base has a screw hole, and a bolt is installed in the screw hole.

[0011] Preferably, the rotating mechanism includes a third rotating shaft, which is fixedly installed at the center of the base plate. A second gear is fixedly installed at the bottom end of the third rotating shaft. A slide rail is fixedly installed on the base. A slide frame slides linearly on the slide rail. A second rack is fixedly installed on one side of the slide frame. The second gear meshes with the second rack. A threaded rod is rotatably connected to the ring frame. The outer surface of the threaded rod is threaded and installed inside the slide frame.

[0012] Preferably, knobs are fixedly installed at both ends of the threaded rod.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This utility model uses a first drive motor to drive a worm gear to rotate, which in turn meshes with a worm wheel to drive a gear to rotate. This gear meshes with a rack to drive the adjustment seat to rotate. The high-temperature molten salt pump body on the adjustment seat can be laid down to one side according to maintenance needs, and then maintenance can be performed. There is no need to repeatedly disassemble and reassemble the high-temperature molten salt pump body, making the operation simple and convenient.

[0015] This utility model allows the screw rod to rotate by turning the knob, which in turn drives the slide to slide along the slide rail. This allows the rack and pinion to rotate the base plate within the ring rail via the meshing gear. When the installation position of the high-temperature molten salt pump body is relatively compact, the laying direction of the high-temperature molten salt pump body can be adjusted in the above manner to improve the applicability of the installation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0017] Figure 2 For the present utility model Figure 1 Schematic diagram of the relevant bottom structure;

[0018] Figure 3 This is a schematic diagram of the relevant structure of the horizontal angle adjustment component of this utility model;

[0019] Figure 4 This is a schematic diagram of the relevant structure of the rotating mechanism of this utility model.

[0020] [Figure Labels]

[0021] 1. High-temperature molten salt pump body; 21. Base plate; 22. First support frame; 23. Adjustment seat; 24. First rotating shaft; 25. Vertical-to-vertical switching mechanism; 251. Rack one; 252. Second support frame; 253. Second rotating shaft; 254. Gear one; 255. Worm gear; 256. First drive motor; 257. Worm; 3. Horizontal angle adjustment assembly; 31. Base; 32. Ring frame; 33. Rotating mechanism; 331. Third rotating shaft; 332. Gear two; 333. Slide rail; 334. Slide frame; 335. Rack two; 336. Threaded rod; 337. Knob; 34. Ring rail; 35. Screw hole; 36. Bolt. Detailed Implementation

[0022] To make the technical problems, technical solutions and advantages of this utility model clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0023] As attached Figure 1 To be continued Figure 4 An embodiment of this utility model provides a high-temperature vertical molten salt pump, including a high-temperature molten salt pump body 1, a base plate 21 is provided below the high-temperature molten salt pump body 1, a first support frame 22 is fixedly installed on the base plate 21, an adjustment seat 23 is installed at the bottom of the high-temperature molten salt pump body 1, the adjustment seat 23 is rotatably connected to the top of the first support frame 22 through a first rotating shaft 24 fixed on both sides, and a vertical tilting switching mechanism 25 is provided on the base plate 21 that can drive the adjustment seat 23 to rotate and tilt the high-temperature molten salt pump body 1.

[0024] Preferably, the upright-to-inverting switching mechanism 25 includes a rack 251, which is fixedly mounted on the adjustment base 23. A second support frame 252 is fixedly mounted on the base plate 21. A second rotating shaft 253 is rotatably mounted on the second support frame 252. A gear 254 and a worm gear 255 are fixedly mounted on both sides of the second rotating shaft 253, respectively. The gear 254 meshes with the rack 251. A first drive motor 256 is fixedly mounted on the base plate 21. A worm gear 257 is fixedly connected to the output end of the first drive motor 256. The worm gear 257 meshes with the worm gear 255.

[0025] Preferably, both the adjustment base 23 and the rack 251 are arc-shaped structures, and the central angle of the adjustment base 23 and the rack 251 is greater than or equal to 180 degrees.

[0026] Specifically, the first drive motor 256 drives the worm gear 257 to rotate, which in turn meshes with the worm wheel 255 to drive the gear 254 to rotate. In turn, the gear 254 meshes with the rack 251 to drive the adjustment seat 23 to rotate. The high-temperature molten salt pump body 1 on the adjustment seat 23 can be laid down to one side according to maintenance needs, and then maintenance can be performed on it. There is no need to repeatedly disassemble and reassemble the high-temperature molten salt pump body 1, making the operation simple and convenient.

[0027] Secondly, after the maintenance is completed, it is similarly placed back in its original position, and the worm gear 257 and worm wheel 255 can be used to lock the adjustment seat 23.

[0028] Preferably, a horizontal adjustment component 3 is provided below the base plate 21. The horizontal adjustment component 3 includes a base 31, a ring frame 32 is fixedly installed in the middle of the base 31, a rotation mechanism 33 for driving the base plate 21 to rotate is provided on the inner side of the ring frame 32, and a ring rail 34 is opened on the inner side of the ring frame 32. The base plate 21 is movably installed in the ring rail 34.

[0029] Preferably, screw holes 35 are provided at all four corners of the base 31, and bolts 36 are provided in the screw holes 35.

[0030] Specifically, the base 31 can be securely installed through screw holes 35 and bolts 36 to ensure sufficient stability when the high-temperature molten salt pump body 1 is laid down.

[0031] Preferably, the rotating mechanism 33 includes a third rotating shaft 331, which is fixedly installed at the center of the base plate 21. A gear 332 is fixedly installed at the bottom end of the third rotating shaft 331. A slide rail 333 is fixedly installed on the base 31. A slide frame 334 slides linearly on the slide rail 333. A rack 335 is fixedly installed on one side of the slide frame 334. The gear 332 meshes with the rack 335. A threaded rod 336 is rotatably connected to the ring frame 32. The thread on the outer surface of the threaded rod 336 is installed inside the slide frame 334.

[0032] Preferably, knobs 337 are fixedly installed at both ends of the threaded rod 336.

[0033] Specifically, by turning the knob 337, the threaded rod 336 can be rotated, and the threaded rod 336 drives the slide 334, causing the slide 334 to slide along the slide rail 333. This allows the rack 335 to drive the base plate 21 to rotate within the ring rail 34 through the meshing gear 332. When the installation position of the high-temperature molten salt pump body 1 is relatively compact, the laying direction of the high-temperature molten salt pump body 1 can be adjusted in the above manner to improve the applicability of the installation.

[0034] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0035] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0036] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high temperature vertical molten salt pump comprising a high temperature molten salt pump body (1), characterized in that, A base plate (21) is provided below the main body (1) of the high-temperature molten salt pump. A first support frame (22) is fixedly installed on the base plate (21). An adjustment seat (23) is installed at the bottom of the main body (1) of the high-temperature molten salt pump. The adjustment seat (23) is rotatably connected to the top of the first support frame (22) through a first rotating shaft (24) fixed on both sides. A tilting switching mechanism (25) is provided on the base plate (21) that can drive the adjustment seat (23) to rotate and tilt the main body (1) of the high-temperature molten salt pump.

2. The high temperature vertical molten salt pump of claim 1, wherein, The upright-to-inverting switching mechanism (25) includes a rack (251), which is fixedly mounted on the adjustment seat (23). A second support frame (252) is fixedly mounted on the base plate (21). A second rotating shaft (253) is rotatably mounted on the second support frame (252). A gear (254) and a worm gear (255) are fixedly mounted on both sides of the second rotating shaft (253). The gear (254) meshes with the rack (251). A first drive motor (256) is fixedly mounted on the base plate (21). A worm (257) is fixedly connected to the output end of the first drive motor (256). The worm (257) meshes with the worm gear (255).

3. The high temperature vertical molten salt pump of claim 2, wherein, The tuning base (23) and the rack (251) are both arc-shaped structures, and the central angle of the tuning base (23) and the rack (251) is greater than or equal to 180 degrees.

4. The high temperature vertical molten salt pump of claim 1, wherein, A horizontal angle adjustment component (3) is provided below the base plate (21). The horizontal angle adjustment component (3) includes a base (31). A ring frame (32) is fixedly installed in the middle of the base (31). A rotating mechanism (33) for driving the base plate (21) to rotate is provided on the inner side of the ring frame (32). A ring rail (34) is opened on the inner side of the ring frame (32). The base plate (21) is movably installed in the ring rail (34).

5. The high temperature vertical molten salt pump of claim 4, wherein, The base (31) has screw holes (35) at each of its four corners, and bolts (36) are installed in the screw holes (35).

6. The high temperature vertical molten salt pump of claim 4, wherein, The rotating mechanism (33) includes a third rotating shaft (331), which is fixedly installed at the center of the base plate (21). A gear two (332) is fixedly installed at the bottom end of the third rotating shaft (331). A slide rail (333) is fixedly installed on the base (31). A slide frame (334) slides linearly on the slide rail (333). A rack two (335) is fixedly installed on one side of the slide frame (334). The gear two (332) meshes with the rack two (335). A threaded rod (336) is rotatably connected to the ring frame (32). The threaded rod (336) is threaded on the outer surface of the threaded rod (336) and installed inside the slide frame (334).

7. The high-temperature vertical fused salt pump of claim 6, wherein, Both ends of the threaded rod (336) are fixedly equipped with knobs (337).

Citation Information

Patent Citations

  • A vertical multi-stage high-temperature molten salt pump

    CN118564496B