Vibration adjusting support of steam-water separator reheater and system pump thereof

By designing the vibration adjustment bracket for the support seat, fixed plate and flexible adjustment plate in the soda separation reheater, the problem of system pump vibration exceeding limit is solved, extending the service life and reducing the risk of equipment damage, and improving the usability and economic benefits of the equipment.

CN223089896UActive Publication Date: 2025-07-11LIAONING HONGYANHE NUCLEAR POWER
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Patent Information

Application Number
CN202422259433.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-07-11
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

The vibration exceeds the limit of the system pump in the existing soda-water separation reheater leads to damage to the equipment, shortens the service life, and cannot effectively reduce the unit losses caused by vibration.

Method used

A vibration adjustment bracket including a support seat, a fixing plate, a flexible adjustment plate and a position adjustment device is designed, and the relative position of the fixing plate and the adjustment plate is adjusted through a spacing adjuster, and the system pump is adapted to reduce the vibration value.

Benefits of technology

Effectively reduce the vibration value of the system pump, improve service life, reduce the risk of equipment damage, and improve equipment availability and working efficiency.

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Abstract

The utility model discloses a steam-water separation reheater and a vibration adjusting support of a system pump of the steam-water separation reheater, the vibration adjusting support of the system pump of the steam-water separation reheater comprises a supporting seat, a fixing plate, an adjusting plate and a position adjusting device, and the fixing plate is installed on the top of the supporting seat. The upper surface of the adjusting plate is an adjusting face used for supporting a system pump, and the adjusting plate is a flexible plate. The position adjusting device comprises a plurality of distance adjusters which are connected with the fixing plate and the adjusting plate so as to adjust the distance between the fixing plate and the adjusting plate. During assembly, according to the position of the system pump, the vibration adjusting support is installed at the preset position, the relative position of the fixing plate and the adjusting plate is adjusted through the distance adjuster, and then the adjusting plate supports the system pump. According to the vibration adjusting support, the supporting base is installed at the preset position, the adjusted adjusting plate is matched with the system pump, then the system pump is supported through the vibration adjusting support, and therefore the service life of the system pump is prolonged through the vibration adjusting support.
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Description

Technical Field

[0001] The utility model relates to the technical field of vibration adjustment equipment, in particular to a vibration adjustment bracket for an in-system pump of a steam-water separator reheater and a steam-water separator reheater. Background Art

[0002] The in-system pump of the steam-water separator reheater is a single-stage cantilever centrifugal pump. The unavailable state of a single column of the equipment will change the normal drainage of the system to emergency drainage and cause forced losses of the unit, resulting in huge economic losses. The system pump and the motor are respectively installed on the foundation. Usually, deep groove ball bearings and double-row angular contact ball bearings are selected for the system pump for static and dynamic cooperation.

[0003] During the daily operation and maintenance of the equipment, the vibration value of the system pump is an important index for evaluating the availability of the equipment. If the vibration exceeds the limit, it is easy to cause irreversible equipment damage such as damage to the pump body bearings and rubbing of the stuffing box, shortening the service life of the system pump.

[0004] Therefore, how to improve the service life of the system pump is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a vibration adjustment bracket for an in-system pump of a steam-water separator reheater to improve the service life of the system pump. Another purpose of the utility model is to provide a steam-water separator reheater including the vibration adjustment bracket for the in-system pump of the steam-water separator reheater.

[0006] The vibration adjustment bracket for the system pump of the steam-water separator reheater provided by this application includes:

[0007] A support seat;

[0008] A fixing plate, which is installed on the top of the support seat;

[0009] An adjustment plate, the upper surface of which is an adjustment surface for supporting the system pump, and the adjustment plate is a flexible plate;

[0010] A position adjustment device, which includes a plurality of spacing adjusters. The spacing adjusters connect the fixing plate and the adjustment plate to adjust the spacing between the fixing plate and the adjustment plate.

[0011] Optionally, in the vibration adjustment bracket for the system pump of the steam-water separator reheater, the adjustment surface of the adjustment plate is an arc surface that fits the outer circumference of the system pump.

[0012] Optionally, in the vibration adjustment bracket for the system pump of the steam-water separator reheater, the spacing adjuster includes a threaded connector. The threaded connector is threadedly connected to the adjustment plate and rotatably connected to the fixing plate.

[0013] Optionally, in the vibration adjustment bracket of the system pump of the above-mentioned steam-water separator reheater, the adjustment plate is provided with a threaded hole threadedly connected to the threaded connecting member, and the threaded hole is a blind hole structure with a downward opening.

[0014] Optionally, in the vibration adjustment bracket of the system pump of the above-mentioned steam-water separator reheater, the threaded connecting member is a bolt, the adjustment plate is threadedly connected to the screw rod of the bolt, the head of the bolt is located below the fixed plate, and the fixed plate is provided with a receiving member for receiving the head of the bolt.

[0015] Optionally, in the vibration adjustment bracket of the system pump of the above-mentioned steam-water separator reheater, the spacing adjusters are sequentially arranged on the fixed plate around the outer periphery of the system pump.

[0016] Optionally, in the vibration adjustment bracket of the system pump of the above-mentioned steam-water separator reheater, the support seat includes:

[0017] A base, on which a positioning component for fixing the support seat is provided;

[0018] A support plate, the bottom end of the support plate is fixedly connected to the base, and the top end of the support plate is connected to the lower surface of the fixed plate;

[0019] A reinforcing plate, the side end of the reinforcing plate is connected to the support plate, and the bottom end of the reinforcing plate is connected to the base.

[0020] Optionally, in the vibration adjustment bracket of the system pump of the above-mentioned steam-water separator reheater, a damping pad is provided on the upper surface of the adjustment surface.

[0021] Optionally, in the vibration adjustment bracket of the system pump of the above-mentioned steam-water separator reheater, the damping pad is a silica gel pad or a rubber pad.

[0022] A steam-water separator reheater includes a vibration adjustment bracket of a system pump and a system pump installed on the vibration adjustment bracket of the system pump, and the vibration adjustment bracket of the system pump is the vibration adjustment bracket of the system pump described in any one of the above.

[0023] In the above technical solution, the vibration adjustment bracket of the system pump of the steam-water separator reheater provided by the present utility model includes a support seat, a fixed plate, an adjustment plate and a position adjustment device. The fixed plate is installed on the top of the support seat. The upper surface of the adjustment plate is an adjustment surface for supporting the system pump, and the adjustment plate is a flexible plate. The position adjustment device includes a plurality of spacing adjusters, and the spacing adjusters connect the fixed plate and the adjustment plate to adjust the spacing between the fixed plate and the adjustment plate. During assembly, according to the position of the system pump, the vibration adjustment bracket is installed at a preset position, and the relative positions of the fixed plate and the adjustment plate are adjusted through the spacing adjusters, so that the adjustment plate supports the system pump.

[0024] As can be seen from the above description, in the vibration adjustment bracket of the system pump of the steam-water separation reheater provided in this application, the support seat is installed at a preset position, and the adjusted adjustment plate is adapted to the system pump, and then the system pump is supported by the vibration adjustment bracket. Therefore, the vibration adjustment bracket provided in this application improves the service life of the system pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative work.

[0026] Figure 1 FIG.

[0027] Figure 2 is Figure 1 a schematic structural view of a vibration adjustment bracket provided by an embodiment of the present invention;

[0028] Figure 3 is Figure 1 a top view of the shown vibration adjustment bracket;

[0029] Figure 4 FIG.

[0030] Figure 5 is a top view of a fixing plate and an adjustment plate provided by an embodiment of the present invention.

[0031] Wherein Figures 1-5 in: 1 - support seat, 101 - support plate, 102 - base, 103 - reinforcement plate, 2 - fixing plate, 3 - adjustment plate, 4 - spacing adjuster, 5 - positioning component. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] The core of the present invention is to provide a vibration adjustment bracket for a system pump in a steam-water separation reheater to improve the service life of the system pump. Another core of the present invention is to provide a steam-water separation reheater including the vibration adjustment bracket for the system pump in the steam-water separation reheater.

[0033] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the following will further elaborate on the present invention in conjunction with the drawings and embodiments.

[0034] Please refer to Figures 1 to 5 .

[0035] In a specific embodiment, the vibration adjustment bracket of the system pump of the steam-water separation reheater provided by the specific embodiment of the present utility model includes a support seat 1, a fixing plate 2, an adjustment plate 3 and a position adjustment device. The fixing plate 2 is installed on the top of the support seat 1. The upper surface of the adjustment plate 3 is an adjustment surface for supporting the system pump. Specifically, the adjustment surface can be a smooth surface or provided with anti-slip lines. The adjustment plate 3 is a flexible plate. Specifically, the adjustment plate 3 can be a stainless steel plate, an iron plate or a deformable plastic plate, etc.

[0036] The position adjustment device includes a plurality of spacing adjusters 4. The spacing adjusters 4 connect the fixing plate 2 and the adjustment plate 3 to adjust the spacing between the fixing plate 2 and the adjustment plate 3. Specifically, the spacing adjusters 4 can be telescopic rods. The spacing between the fixing plate 2 and the adjustment plate 3 is adjusted by the telescopic extension of the telescopic rod.

[0037] Specifically, there can be three, four, etc. spacing adjusters 4. The spacing adjusters 4 can be arranged in an array.

[0038] During assembly, according to the position of the system pump, the vibration adjustment bracket is installed at a preset position. The relative positions of the fixing plate 2 and the adjustment plate 3 are adjusted through the spacing adjusters 4, so that the adjustment plate 3 supports the system pump, reducing the vibration value of the system pump. Specifically, the vibration adjustment bracket supports the lower side of the drive end bearing position of the system pump. The support seat 1 is fixed on the pump unit platen through a positioning component 5. Specifically, the positioning component 5 can be a bolt.

[0039] As can be seen from the above description, in the vibration adjustment bracket of the system pump of the steam-water separation reheater provided by the specific embodiment of the present application, the support seat 1 is installed at a preset position, and the adjusted adjustment plate 3 is adapted to the system pump, and then the system pump is supported by the vibration adjustment bracket. Therefore, the vibration adjustment bracket provided by the present application improves the service life of the system pump.

[0040] Considering that the outer periphery of the installation position of the system pump is an arc structure, preferably, the adjustment surface of the adjustment plate 3 is an arc surface that matches the outer periphery of the system pump. Specifically, before adjustment, both the adjustment plate 3 and the fixing plate 2 can be semi-circular ring plate structures.

[0041] The spacing adjuster 4 includes a threaded connector. The threaded connector is threadedly connected to the adjustment plate 3 and rotatably connected to the fixing plate 2. Specifically, the threaded connector can be a screw rod.

[0042] The adjustment plate 3 is provided with a threaded hole that is threadedly connected to the threaded connector. The threaded hole is a blind hole structure with a downward opening. Here, downward does not necessarily mean perpendicular to the horizontal plane downward, but can also be obliquely downward. By setting the threaded hole as a blind hole structure, the situation where the connector touches the system pump and then damages the system pump is avoided, effectively improving the use safety of the system pump.

[0043] For the convenience of operating the threaded connector, specifically, the threaded connector may be a bolt. The adjusting plate 3 is threadedly connected to the screw rod of the bolt, and the head of the bolt is located below the fixing plate 2. The fixing plate 2 is provided with a receiving member for receiving the head of the bolt. The spacing adjuster 4 is sequentially arranged around the outer periphery of the system pump on the fixing plate 2.

[0044] The support base 1 includes a base 102, a support plate 101, and a reinforcing plate 103. The base 102 is provided with a positioning assembly 5 for fixing the support base 1. The bottom end of the support plate 101 is fixedly connected to the base 102, and the top end of the support plate 101 is connected to the lower surface of the fixing plate 2. To improve the force stability of the base 102, preferably, the support plate 101 is connected to the center line position of the base 102. The base 102 may specifically be a flat plate structure. Of course, according to the actual installation position requirements, the base 102 may be of other shapes.

[0045] The side end of the reinforcing plate 103 is connected to the support plate 101, and the bottom end of the reinforcing plate 103 is connected to the base 102. Specifically, the reinforcing plate 103 may be a metal plate.

[0046] To improve the assembly efficiency, preferably, first the base 102 and the support plate 101 are integrally cast, and then the reinforcing plate 103 is installed. Or the support base 1 is integrally cast.

[0047] To further improve the vibration damping effect, preferably, a vibration damping pad is provided on the upper surface of the adjusting surface. Specifically, the vibration damping pad is a silica gel pad or a rubber pad.

[0048] The vibration adjustment bracket of the system pump provided by the present application reduces the equipment unavailable state caused by the vibration of the system pump, as well as the damage of components such as mechanical seals and bearings caused by vibration. It realizes improving the safety and reliability of the equipment, increasing the equipment availability rate, reducing the risk of daily equipment damage, effectively improving the work efficiency, and creating certain economic benefits.

[0049] The vibration adjustment bracket provided by the present application may specifically be used in the nuclear power field.

[0050] A steam-water separator reheater provided by the present application includes the vibration adjustment bracket of the system pump and the system pump installed on the vibration adjustment bracket of the system pump. The vibration adjustment bracket of the system pump is any one of the above-mentioned vibration adjustment brackets of the system pump. The specific structure of the vibration adjustment bracket of the system pump has been described above. The present application includes the above-mentioned vibration adjustment bracket of the system pump and also has the above-mentioned technical effects.

[0051] In this specification, each embodiment is described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same and similar parts among the embodiments may be referred to each other.

[0052] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vibration adjustment bracket for the system pump of a steam-water separator reheater, characterized in that, Comprising: Support base (1); Fixed plate (2), the fixed plate (2) is installed on the top of the support base (1); Adjusting plate (3), the upper surface of the adjusting plate (3) is an adjusting surface for supporting the system pump, and the adjusting plate (3) is a flexible plate; Position adjusting device, the position adjusting device includes a plurality of spacing adjusters (4), and the spacing adjusters (4) connect the fixed plate (2) and the adjusting plate (3) to adjust the spacing between the fixed plate (2) and the adjusting plate (3).

2. The vibration adjustment bracket of the system pump of the steam-water separation reheater according to claim 1, characterized in that, The adjusting surface of the adjusting plate (3) is an arc surface that fits the outer circumference of the system pump.

3. The vibration adjustment bracket of the system pump of the steam-water separation reheater according to claim 1, characterized in that, The spacing adjuster (4) includes a threaded connection member, the threaded connection member is threadedly connected to the adjusting plate (3), and the threaded connection member is rotatably connected to the fixed plate (2).

4. The vibration adjustment bracket of the system pump of the steam-water separation reheater according to claim 3, characterized in that, The adjusting plate (3) is provided with a threaded hole threadedly connected to the threaded connection member, and the threaded hole is a blind hole structure with a downward opening.

5. The vibration adjustment bracket of the system pump of the steam-water separation reheater according to claim 3, characterized in that, The threaded connection member is a bolt, the adjusting plate (3) is threadedly connected to the screw rod of the bolt, the head of the bolt is located below the fixed plate (2), and the fixed plate (2) is provided with a receiving member for receiving the head of the bolt.

6. The vibration adjustment bracket of the system pump of the steam-water separation reheater according to claim 1, characterized in that, The spacing adjusters (4) are sequentially arranged around the outer circumference of the system pump on the fixed plate (2).

7. The vibration adjustment bracket of the system pump of the steam-water separation reheater according to claim 1, characterized in that The support base (1) includes: Base (102), the base (102) is provided with a positioning component (5) for fixing the support base (1); Support plate (101), the bottom end of the support plate (101) is fixedly connected to the base (102), and the top end of the support plate (101) is connected to the lower surface of the fixed plate (2); Reinforcing plate (103), the side end of the reinforcing plate (103) is connected to the support plate (101), and the bottom end of the reinforcing plate (103) is connected to the base (102).

8. The vibration adjustment bracket of the system pump of the steam-water separation reheater according to any one of claims 1-7, characterized in that A damping pad is provided on the upper surface of the adjusting surface.

9. The vibration adjustment bracket of the system pump of the steam-water separation reheater according to claim 8, characterized in that, The damping pad is a silica gel pad or a rubber pad.

10. A steam-water separator reheater, characterized in that, A vibration adjustment bracket for the system pump and a system pump installed on the vibration adjustment bracket for the system pump, and the vibration adjustment bracket for the system pump is the vibration adjustment bracket for the system pump according to any one of claims 1-9.