Sealing flange for high-rotating-speed centrifugal equipment

Abstract

The utility model relates to the technical field of sealing flanges, and discloses a sealing flange for high-rotating-speed centrifugal equipment, which comprises a flange seat and a flange plate, a limit ring is arranged on the flange seat, the flange plate is sleeved on the limit ring, and a plurality of elastic parts are arranged between the flange plate and the flange seat. According to the technical scheme, the problem that the whole flange needs to be replaced only when the sealing face of the flange is abraded in the prior art is solved, and the replacement cost of the flange is reduced.

Description

Technical Field

[0001] This utility model relates to the field of sealing flange technology, and in particular to a sealing flange for high-speed centrifugal equipment. Background Technology

[0002] Sealing flanges are typically key components used at the connection points of pipes, containers, or equipment. Their main function is to ensure the sealing of the connection and prevent fluid or dust leakage.

[0003] High-speed centrifuges typically refer to mechanical equipment that uses high-speed rotation to generate powerful centrifugal force, achieving material separation, concentration, or purification. However, the standard for "high speed" varies across different fields. Common industrial centrifuges include chlorine presses, etc. These devices require rotating impellers and other rotating components during production. The reaction force of these rotating components acts on the equipment itself, causing it to be in a state of constant vibration. This vibration is especially intense when the rotating components are rotating at high speeds, leading to continuous friction between the flange (the sealing surface of the flange) and the connection point of the conveying pipe. This causes flange wear, and due to the influence of the flange material, the value of a single flange is relatively high. Once the sealing surface of the flange is worn, the entire structure needs to be replaced, resulting in high flange replacement costs. Utility Model Content

[0004] The main purpose of this invention is to provide a sealing flange for high-speed centrifugal equipment, aiming to solve the problem in related technologies where the entire flange needs to be replaced when only the flange sealing surface is worn, thereby reducing the flange replacement cost.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A sealing flange for a high-speed centrifugal device includes a flange seat and a flange plate. The flange seat is provided with a limiting ring, the flange plate is sleeved on the limiting ring, and a plurality of elastic elements are provided between the flange plate and the flange seat.

[0007] Furthermore, it also includes a flange sleeve, wherein both the flange seat and the flange are located in the inner ring of the flange sleeve, and the flange sleeve is fixedly connected to the flange seat.

[0008] Furthermore, the flange seat is provided with a plurality of connecting holes, and the flange sleeve is provided with a plurality of mating holes. Each mating hole and each connecting hole are coaxially arranged in a one-to-one correspondence. Each connecting hole and each mating hole is provided with a connecting member, and each connecting member is threadedly connected to each connecting hole.

[0009] Furthermore, all of the aforementioned mating holes are countersunk holes.

[0010] Furthermore, the flange is provided with a plurality of limiting posts, and the flange seat is provided with a plurality of limiting holes. Each limiting post and each limiting hole are matched in a one-to-one hole-shaft fit, and each elastic element is located in each limiting hole.

[0011] Furthermore, each of the elastic elements is a compression spring, and each of the elastic elements is respectively sleeved on each limiting post.

[0012] Furthermore, the flange is provided with a mating ring, which abuts against the limiting ring.

[0013] The working principle and beneficial effects of this utility model are as follows:

[0014] This utility model mainly includes a flange seat and a flange plate. The flange seat is provided with a limiting ring, and the flange plate is sleeved on the limiting ring and located between the flange seat and the connected object. That is, this utility model adopts the method of disassembling the entire flange structure and making the flange sealing surface an independent component. In this way, when the sealing surface is worn, only the flange plate needs to be replaced. Compared with replacing the entire flange structure, the flange replacement cost is effectively reduced.

[0015] Meanwhile, several elastic elements are provided between the flange and the flange seat. By utilizing the elastic deformation characteristic of the elastic elements under force, abnormal wear caused by local stress concentration is effectively avoided, the frequency of wear on the sealing surface is effectively reduced, and the service life of this utility model is improved. Moreover, since the elastic elements are in a compressed state after this utility model is installed on the equipment, when wear occurs in a certain part of the flange, the elastic elements in that part will deform accordingly, so that the worn flange can still fit tightly against the connected object, which plays a certain role in dynamic compensation. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of this embodiment;

[0018] Figure 2 for Figure 1 A sectional view;

[0019] Figure 3 This is a schematic diagram of the connection between the flange and the flange seat in this embodiment.

[0020] Explanation of icon numbers:

[0021] 1. Flange seat; 11. Limiting ring; 2. Flange; 21. Limiting post; 22. Mating ring; 12. Connecting hole; 13. Limiting hole; 3. Elastic element; 4. Flange sleeve; 41. Mating hole; 5. Connecting parts.

[0022] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0024] like Figure 1 , Figure 3 As shown, this embodiment proposes a sealing flange for a high-speed centrifuge, mainly including a flange seat 1 and a flange 2. The flange seat 1 and flange 2 are respectively provided with several first mounting holes and several second mounting holes. Each first mounting hole and each second mounting hole are coaxially arranged in a one-to-one correspondence, so that the bolts and fasteners used to install this embodiment can penetrate both the flange seat 1 and the flange 2, allowing this embodiment to be installed on the centrifuge. The flange seat 1 is provided with a limiting ring 11, and the flange 2 is fitted onto the limiting ring 11. In this embodiment, after installation on the centrifuge, the flange 2 abuts against the centrifuge's pipes. That is, the flange 2 serves as the sealing surface in this embodiment, providing mutual support with the external centrifuge equipment. The flange 2 is inserted into the flange seat 1. Thus, when the centrifuge operates and causes wear on the flange 2, the operator can remove the flange 2 from the flange seat 1 and replace only the flange 2. Compared to replacing the entire flange structure, this method can effectively reduce usage costs and equipment maintenance costs.

[0025] Furthermore, due to the presence of the limiting ring 11, the connection gap between the flange 2 and the flange seat 1 will not be directly exposed on the fluid delivery path, effectively ensuring the sealing performance of this embodiment.

[0026] The flange 2 is provided with a mating ring 22, which is preferably integrally formed with the flange 2 to ensure the connection strength between the two. The mating ring 22 abuts against the limiting ring 11, that is, the mating ring 22 covers the limiting ring 11 to ensure that, in this embodiment, after being installed on the centrifuge equipment, only the flange 2 comes into contact with the centrifuge equipment.

[0027] In this embodiment, the flange seat 1 is preferably connected to the external pipeline by a threaded connection, which ensures both the sealing performance during connection and the portability of the flange seat 1 for disassembly and assembly on the external pipeline.

[0028] Meanwhile, several elastic elements 3 are provided between the flange 2 and the flange seat 1. By utilizing the elastic deformation characteristic of the elastic elements 3 under force, abnormal wear of the flange 2 caused by local stress concentration is effectively avoided, the frequency of wear on the sealing surface is effectively reduced, and the service life of this embodiment is improved;

[0029] Since the elastic element 3 is in a compressed state after the present invention is installed on the centrifugal equipment, when a certain part of the flange 2 is worn, the elastic element 3 at that part will deform accordingly, so that the worn flange 2 can still fit tightly against the connected object (centrifugal equipment), which plays a certain role in dynamic compensation and effectively improves the sealing performance of this embodiment.

[0030] like Figures 1-2 As shown, this embodiment also includes a flange sleeve 4. The flange seat 1 and the flange 2 are both located in the inner ring of the flange sleeve 4, and the outer rings of the flange seat 1 and the flange 2 abut against the inner ring of the flange sleeve 4, so that the flange sleeve 4 can seal the connection gap between the flange seat 1 and the flange 2, effectively preventing fluid from overflowing along the connection gap between the flange seat 1 and the flange 2, and further improving the sealing effect of this embodiment.

[0031] The flange sleeve 4 is fixedly connected to the flange seat 1, that is, the flange seat 1 serves as the support for the flange sleeve 4. The external pipeline load is directly transmitted to the flange seat 1 (high-strength base) through the flange sleeve 4, rather than through the flange 2, thus avoiding the main mechanical stress on the consumable parts.

[0032] Specifically, the flange seat 1 is provided with several connecting holes 12, and the flange sleeve 4 is provided with several mating holes 41. Each mating hole 41 is coaxially arranged in a one-to-one correspondence with each connecting hole 12. A connecting piece 5 is provided between each connecting hole 12 and each mating hole 41. Each connecting piece 5 is preferably a common threaded fastener such as a bolt with a nut, so that a replacement can be quickly found if the threaded fastener in this embodiment is lost. Each connecting piece 5 is threadedly connected to each connecting hole 12. That is, this embodiment uses a threaded connection to realize the connection between the flange seat 1 and the flange sleeve 4, which not only ensures the connection stability and connection strength between the two, but also facilitates the disassembly and assembly by the staff, so that the flange 2 can be removed from it (from the inner ring of the flange sleeve 4).

[0033] Each mating hole 41 is a countersunk hole structure, which allows each mating hole 41 to fully accommodate each connecting piece 5, and prevents each connecting piece 5 from being partially exposed on the radial surface of the flange sleeve 4 after completing the work of connecting the flange sleeve 4 and the flange seat 1, thus effectively ensuring the overall structural aesthetics of this embodiment.

[0034] Meanwhile, the flange seat 1 is provided with several limiting holes 13, and each elastic element 3 is located in each limiting hole 13. Each limiting hole 13 serves to accommodate the elastic element 3, so as to reduce the gap between the flange seat 1 and the flange 2 and facilitate the thickening of the flange seat 1 (axial length of the flange seat 1) to improve the load-bearing capacity of the flange seat 1. Furthermore, the flange 2 is provided with several limiting posts 21. Each limiting post 21 is preferably integrally formed with the flange 2 to ensure the connection strength between the two. Each limiting post 21 and the limiting hole 13 are matched one-to-one. In this way, the rotational movement of the flange 2 can be restricted, preventing the flange 2 from rotating itself when receiving force from the centrifuge equipment, thereby preventing it from moving additionally and aggravating the wear between itself and the centrifuge equipment.

[0035] Correspondingly, each elastic element 3 is a compression spring, and each elastic element 3 is respectively sleeved on each limiting post 21 to avoid interference between the elastic element 3 located in the same limiting hole 13 and the limiting post 21, and to enable the elastic element 3 to maintain a longer axial length, so that it can have a larger compression and elongation stroke, and can better absorb vibration and play a vibration reduction role.

[0036] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the accompanying drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0037] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A sealing flange for high-speed centrifuges, characterized in that, It includes a flange seat (1) and a flange (2). The flange seat (1) is provided with a limiting ring (11), the flange (2) is sleeved on the limiting ring (11), and a number of elastic elements (3) are provided between the flange (2) and the flange seat (1).

2. The sealing flange for high-speed centrifuges according to claim 1, characterized in that, It also includes a flange sleeve (4), wherein the flange seat (1) and the flange (2) are both located in the inner ring of the flange sleeve (4), and the flange sleeve (4) is fixedly connected to the flange seat (1).

3. The sealing flange for high-speed centrifuges according to claim 2, characterized in that, The flange seat (1) is provided with a plurality of connecting holes (12), and the flange sleeve (4) is provided with a plurality of mating holes (41). Each mating hole (41) and each connecting hole (12) are coaxially arranged in a one-to-one correspondence. Each connecting hole (12) and each mating hole (41) is provided with a connector (5), and each connector (5) is threadedly connected to each connecting hole (12).

4. The sealing flange for high-speed centrifuges according to claim 3, characterized in that, All of the mating holes (41) are countersunk holes.

5. The sealing flange for high-speed centrifuges according to any one of claims 1 to 4, characterized in that, The flange (2) is provided with a plurality of limiting posts (21), and the flange seat (1) is provided with a plurality of limiting holes (13). Each limiting post (21) and each limiting hole (13) are matched with a corresponding hole shaft, and each elastic element (3) is located in each limiting hole (13).

6. The sealing flange for high-speed centrifuges according to claim 5, characterized in that, Each of the elastic elements (3) is a compression spring, and each of the elastic elements (3) is respectively sleeved on each limiting post (21).

7. The sealing flange for high-speed centrifuges according to claim 1, characterized in that, The flange (2) is provided with a mating ring (22), which abuts against the limiting ring (11).

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