Novel wear-resistant blind flange

Abstract

The utility model discloses a novel wear-resistant blind flange, which belongs to the technical field of flanges and comprises a flange cover, and the flange cover is hermetically mounted at the end of a pipeline under the joint matching of a bolt and a nut. A turbulent flow base located at the end inside the pipeline is detachably installed on the inner side face of the flange cover, and a C-shaped turbulent flow groove is formed in the position, facing the pipeline, of the turbulent flow base. The bottom and the top of the C-shaped turbulent flow groove abut against the inner bottom wall and the inner top wall of the pipeline respectively. According to the blind flange, the turbulent flow base is installed on the inner side of the blind flange, when fluid in a pipeline impacts the position where the flange cover is located, the impact direction of the fluid can be adjusted in time through the C-shaped turbulent flow groove, and therefore impact force from the fluid is relieved, the blind flange is more wear-resistant and durable, and the service life of the blind flange can be greatly prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange technical field, concretely is a novel wear -resisting blind plate flange. BACKGROUND

[0002] The washing and screening filter pressing system of the coal preparation center is the key equipment in the coal processing process, and bears the important task of removing impurities in the coal and improving the quality of the coal.

[0003] However, due to the impact force of the material and the fluid on the pipeline flange cover during the washing and screening filter pressing process, the impact lasts for a long time, and the impact is often concentrated on some specific points, resulting in serious wear of the flange cover. This wear not only causes the material on the surface of the flange cover to gradually peel off, but also can cause the sealing performance to decrease significantly, thereby causing leakage problems. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a novel wear -resisting blind plate flange, which is installed with a spoiler seat on the inner side, when the fluid in the pipeline impacts the flange cover, the impact direction of the fluid can be adjusted in time through the C-shaped spoiler groove, thereby relieving the impact force from the fluid, and the blind plate flange is more wear -resisting and durable, and the service life of the blind plate flange can be greatly prolonged.

[0005] The technical scheme of the utility model is as follows:

[0006] A novel wear -resisting blind plate flange, comprising a flange cover, the flange cover is an integral forming type metal cover, the flange cover is sealed and installed at the end of the pipeline under the cooperation of the bolt and the nut;

[0007] The inner side of the flange cover is detachably installed with a spoiler seat at the inner end of the pipeline;

[0008] The spoiler seat is provided with a C-shaped spoiler groove towards the pipeline, and the bottom and top of the C-shaped spoiler groove are respectively close to the inner bottom wall and the inner top wall of the pipeline.

[0009] By adopting the above scheme, the blind plate flange is installed with a spoiler seat on the inner side, when the fluid in the pipeline impacts the flange cover, the impact direction of the fluid can be adjusted in time through the C-shaped spoiler groove, thereby relieving the impact force from the fluid, and the blind plate flange is more wear -resisting and durable, and the service life of the blind plate flange can be greatly prolonged.

[0010] As a preferred embodiment of the novel wear -resisting blind plate flange, the center of the flange cover protrudes inwardly from the inner side, and the spoiler seat is detachably installed on the surface of the reinforcing belly.

[0011] Adopting the above scheme, in order to strengthen the structure of the flange cover, a reinforcing belly is arranged to protrude inwardly, which can improve the overall impact resistance of the flange cover.

[0012] As a preferred embodiment of the new wear-resistant blind plate flange, the turbulence seat is provided with a positioning member facing the surface of the flange cover, a limiting sliding groove is formed in the middle of the positioning member, a positioning nut is installed in the limiting sliding groove, a positioning bolt is penetrated from the outer side of the flange cover and cooperates with the positioning nut, and the flange cover is detachably fixed with the turbulence seat under the cooperation of the positioning bolt and the positioning nut.

[0013] Adopting the above scheme, in order to facilitate the disassembly and replacement of the turbulence seat, the positioning bolt and the positioning nut are used to quickly fasten the turbulence seat, which is simple to operate, and the turbulence seat can be easily disassembled and replaced when it is worn out.

[0014] As a preferred embodiment of the new wear-resistant blind plate flange, the turbulence seat is made of alumina ceramic.

[0015] Adopting the above scheme, in order to improve the wear resistance of the turbulence seat, the alumina ceramic is used to make the turbulence seat, which can greatly prolong the service life of the turbulence seat.

[0016] As a preferred embodiment of the new wear-resistant blind plate flange, a sealing rubber pad is installed between the flange cover and the turbulence seat, and the sealing rubber pad is tightly clamped between the flange cover and the turbulence seat; wherein the sealing rubber pad completely wraps the inner side of the flange cover.

[0017] Adopting the above scheme, in order to improve the sealing performance of the flange cover after installation, the sealing rubber pad is added, which not only improves the sealing performance, but also completely wraps the inner side of the flange cover, effectively preventing fluid corrosion of the flange cover and greatly prolonging the service life of the flange cover.

[0018] After adopting the above technical scheme, the beneficial effects of the present application are:

[0019] 1. The blind plate flange is provided with a turbulence seat on the inner side, when the fluid in the pipeline impacts the flange cover, the C-shaped turbulence groove can timely adjust the impact direction of the fluid, thereby relieving the impact force from the fluid, and the blind plate flange is more wear-resistant and durable, which can greatly prolong the service life of the blind plate flange.

[0020] 2. In order to strengthen the structure of the flange cover, a reinforcing belly is arranged to protrude inwardly, which can improve the overall impact resistance of the flange cover.

[0021] 3. In order to facilitate the disassembly and replacement of the turbulence seat, the positioning bolt and the positioning nut are used to quickly fasten the turbulence seat, which is simple to operate, and the turbulence seat can be easily disassembled and replaced when it is worn out.

[0022] 4. In order to improve the wear resistance of the spoiler seat, the wear-resistant aluminum oxide ceramic is used to greatly prolong the service life;

[0023] 5. In order to improve the sealing performance of the flange cover after installation, the sealing rubber pad is added, which not only improves the sealing performance, but also completely wraps the inner side of the flange cover, effectively avoids the fluid corrosion of the flange cover, and greatly prolongs the service life of the flange cover. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0025] Figure 1 A perspective view of the present application applied to a pipeline;

[0026] Figure 2 To show Figure 1 A schematic view of fluid after being disturbed in the pipeline;

[0027] Figure 3 A perspective structure of the present application Figure 1 ;

[0028] Figure 4 A perspective structure of the present application Figure 2 ;

[0029] Figure 5 An exploded view of Figure 3 ;

[0030] Figure 6 A perspective view showing the internal structure of the present application;

[0031] Figure 7 A partial enlarged view of Figure 6 ;

[0032] Figure 8 A perspective view of the spoiler seat in Figure 5 .

[0033] Markings in the figure: 1-flange cover; 2-pipeline; 3-disturbance seat; 4-C-shaped disturbance groove; 5-strengthening belly; 6-positioning part; 7-limiting sliding groove; 8-positioning nut; 9-positioning bolt; 10-sealing rubber pad. DETAILED DESCRIPTION

[0034] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0035] As shown in Figures 1 to 8 A new type of wear-resistant blind plate flange, including flange cover 1, the flange cover 1 is integrally formed type metal cover, the flange cover 1 is sealed and installed at the end of the pipeline 2 under the cooperation of bolt and nut;The inner side of the flange cover 1 is detachably installed with the spoiler seat 3 at the inner end of the pipeline 2;The spoiler seat 3 is provided with C-shaped spoiler groove 4 at the pipeline 2, and the bottom and top of the C-shaped spoiler groove 4 are respectively close to the inner bottom wall and the inner top wall of the pipeline 2. The blind plate flange is installed with spoiler seat 3 on the inner side, when the fluid in the pipeline 2 impacts the flange cover 1, the impact direction of the fluid can be adjusted in time through the C-shaped spoiler groove 4, so as to relieve the impact force from the fluid, thereby making the blind plate flange more wear-resistant and durable, and greatly prolonging the service life of the blind plate flange.

[0036] As shown in Figure 4 The center of the flange cover 1 is provided with a reinforcing belly 5, and the spoiler seat 3 is detachably installed on the surface of the reinforcing belly 5. In order to strengthen the structure of the flange cover 1, the reinforcing belly 5 is provided on the inner side, which can improve the impact resistance of the flange cover 1 as a whole.

[0037] As shown in Figures 6 to 8 The spoiler seat 3 is provided with a positioning piece 6 facing the flange cover 1, a limiting sliding groove 7 is formed in the middle of the positioning piece 6, a positioning nut 8 is installed in the limiting sliding groove 7, and a positioning bolt 9 matched with the positioning nut 8 is penetrated from the outer side of the flange cover 1, and the flange cover 1 and the spoiler seat 3 are detachably fixed under the cooperation of the positioning bolt 9 and the positioning nut 8. In order to facilitate the disassembly and replacement of the spoiler seat 3, the positioning bolt 9 and the positioning nut 8 are used to quickly fasten them, which is simple in operation, and the spoiler seat 3 is convenient to disassemble and replace after wear.

[0038] The spoiler seat 3 is made of alumina ceramic. In order to improve the wear resistance of the spoiler seat 3, the alumina ceramic is used to make it, which can greatly prolong its service life.

[0039] As shown in Figure 5As shown, the sealing rubber pad 10 is tightly clamped between the flange cover 1 and the spoiler seat 3, and the sealing rubber pad 10 completely wraps the inner side of the flange cover 1. In order to improve the sealing performance of the flange cover 1 after installation, the sealing rubber pad 10 is added, which not only improves the sealing performance, but also completely wraps the inner side of the flange cover 1, effectively avoids fluid corrosion of the flange cover 1, and greatly prolongs the service life of the flange cover 1.

[0040] The working principle of the utility model is as follows:

[0041] Before application, the wear-resistant blind plate flange is assembled first. First, the positioning nut 8 is installed in the limiting sliding groove 7, and then the sealing rubber pad 10 is placed between the spoiler seat 3 and the flange cover 1, and the flange cover 1, the sealing rubber pad 10 and the spoiler seat 3 are fixed at the same time under the cooperation of the positioning bolt 9 and the positioning nut 8.

[0042] In application, the assembled wear-resistant blind plate flange is installed at the end of the pipeline 2, and is sealed and fixed under the cooperation of the bolt and the nut. When the fluid in the pipeline 2 impacts the place where the flange cover 1 is located, the impact direction of the fluid can be adjusted in time through the C-shaped spoiler groove 4, so as to relieve the impact force from the fluid, and then the blind plate flange is more wear-resistant and durable, and the service life of the blind plate flange can be greatly prolonged.

[0043] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A novel wear-resistant blind plate flange, comprising a flange cover (1) which is sealingly installed at the end of a pipeline (2) under the joint cooperation of a bolt and a nut; characterized in that A spoiler seat (3) is detachably installed on the inner side of the flange cover (1) at the inner end of the pipeline (2); The spoiler seat (3) is provided with a C-shaped spoiler groove (4) at the position facing the pipeline (2), and the bottom and top of the C-shaped spoiler groove (4) are respectively close to the inner bottom wall and the inner top wall of the pipeline (2).

2. The new type of wear-resistant blind plate flange according to claim 1, characterized in that: The flange cover (1) is an integrally formed metal cover.

3. The new type of wear-resistant blind plate flange according to claim 2, characterized in that: A reinforcing belly (5) is protruded inwardly on the center of the flange cover (1), and the spoiler seat (3) is detachably installed on the surface of the reinforcing belly (5).

4. The new type of wear-resistant blind plate flange according to claim 3, characterized in that: The spoiler seat (3) is provided with a positioning member (6) at the position facing the flange cover (1), a limiting sliding groove (7) is formed in the middle of the positioning member (6), a positioning nut (8) is installed in the limiting sliding groove (7), a positioning bolt (9) which is used in cooperation with the positioning nut (8) is penetrated from the outer side of the flange cover (1), and the flange cover (1) and the spoiler seat (3) are detachably fixed under the joint cooperation of the positioning bolt (9) and the positioning nut (8).

5. The new and improved wear plate blind flange of claim 4, wherein: The spoiler seat (3) is made of alumina ceramic.

6. The new type of wear-resistant blind plate flange according to claim 5, characterized in that: A sealing rubber pad (10) is further installed between the flange cover (1) and the spoiler seat (3), and the sealing rubber pad (10) is tightly clamped between the flange cover (1) and the spoiler seat (3).

7. The new type of wear resistant blind plate flange according to claim 6, characterized in that: The inner side of the flange cover (1) is completely wrapped by the sealing rubber pad (10).

Images