CN220037491U

CN220037491U - Metallurgical swing valve device capable of rapidly replacing sealing valve core

Info

Publication number: CN220037491U
Application number: CN202321413909.0U
Authority: CN
Inventors: 郑尚勇; 陈隽; 刘小勇
Original assignee: Fujian Weizman Intelligent Equipment Co ltd
Current assignee: Fujian Weizman Intelligent Equipment Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-17
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses a metallurgical swing valve device capable of rapidly replacing a sealing valve core, and particularly relates to the technical field of conveying industry of metallurgical swing valves. According to the metallurgical swing valve device capable of rapidly replacing the sealing valve core, the upper valve seat of the traditional swing valve is split, and the upper valve seat is divided into the upper valve seat sealing cover and the supporting seat, so that the problem that the traditional swing valve needs to be integrally removed for maintenance during equipment maintenance is solved, the labor, material resources and time cost are saved, and the metallurgical swing valve device is suitable for popularization and use.

Description

Metallurgical swing valve device capable of rapidly replacing sealing valve core

Technical Field

The utility model relates to the technical field of conveying industry of metallurgical swing valves, in particular to a metallurgical swing valve device capable of rapidly replacing a sealing valve core.

Background

The swing valve is an important component in a concentrated phase positive pressure pneumatic conveying system, and is generally applied to the conveying of various dust, particles and semi-fluid media in industries such as thermal power plants, metallurgy, medicine, chemical industry and the like. The swing valve (disc valve, rotary valve) is realized by driving the swing arm of the sealing valve core to rotate through the rotating shaft of the sealing cover supporting seat. After the existing swing valve is used for a long time, due to the fact that the sealing valve core and the sealing cover of the upper valve seat are seriously worn, the sealing performance of the valve is reduced, the elastic force adjusting component does not have compensation capability, the sealing structure can lose sealing effect, leakage of the swing valve is caused, at the moment, the swing valve in the prior art needs to replace the sealing valve core and the whole upper valve seat, the whole valve is required to be detached from equipment, instrument signals and air source components are removed, and the pneumatic actuator is removed, so that time and labor are wasted, and the perfect sealing performance of the junction surfaces of the upper valve seat and the lower valve seat when leaving a factory is damaged.

According to the 'a swing valve' provided by Chinese patent grant publication No. CN206206638U, the device comprises an upper valve body, a lower valve body, a cylinder, a rotating shaft, a swing arm and a valve plate, wherein a connecting seat is arranged between the valve plate and the swing arm, the connecting seat is arranged on the swing arm from bottom to top, and the valve plate is rotatably arranged on the connecting seat; a bearing assembly and a plurality of first carbon fiber packing sealing rings are arranged between the rotating shaft and the upper valve body; a copper sleeve and a plurality of second carbon fiber packing sealing rings are arranged between the rotating shaft and the lower valve body; the swing valve also comprises a water outlet device. The swing valve provided by the utility model has the advantages of good tightness, convenience in replacing the valve plate, compact and reliable structure and long service life, and the device can truly reflect the usability of the valve, but does not provide a solution for quickly replacing the sealing valve core, so that the metallurgical swing valve device for quickly replacing the sealing valve core is necessary to solve the technical problems.

Disclosure of Invention

The utility model mainly aims to provide a metallurgical swing valve device capable of quickly replacing a sealing valve core, which can effectively solve the problem that the sealing valve core cannot be directly replaced when a traditional swing valve is arranged on a system.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a metallurgical swing valve device of quick replacement seal case, includes sealed lid of upper valve seat, supporting seat, lower disk seat, seal case and pneumatic actuator, the connecting hole has been seted up to the supporting seat upper end, the sealed bottom of upper valve seat passes through bolt fixed mounting in the connecting hole, the supporting seat passes through bolt fixed mounting in lower disk seat upper end, the inside sealed case swing arm that is provided with of lower disk seat, the one end of sealed case swing arm is connected with the one end of pivot pole, the other end of sealed case swing arm is provided with the spring holder, be provided with the cylinder hole in the spring holder, the spring holder top is provided with elasticity adjusting part, elasticity adjusting part lower extreme is inserted and is established at the cylinder hole and the cover is equipped with the spring, elasticity adjusting part top is provided with seal case, pneumatic actuator's output is provided with the connecting piece, the one end rotation that pneumatic actuator was kept away from to the connecting piece is connected with the pivot swing arm, another pot head of pivot is in pivot pole upper end.

Preferably, the upper valve seat sealing cover comprises a sealing cover, a transition section is welded at the upper end of the sealing cover, a flange is welded at the upper end of the transition section, a bolt hole is formed in the sealing cover, the sealing cover is fixedly mounted at the upper end of the supporting seat through a bolt, a cannula is fixedly mounted at the bottom of the sealing cover, and the cannula is inserted into the connecting hole.

Preferably, the mounting hole has been seted up to the supporting seat upper end, fixed mounting has bolster bearing housing and bolster bearing housing in the mounting hole, bolster bearing housing and bolster bearing housing fixed connection, the pivot pole passes bolster bearing housing and bolster bearing housing setting, pivot pole surface lower part cover is equipped with the bearing seal lower filler and forms the lower part sealedly with the bolster bearing housing between, pivot pole surface upper portion cover is equipped with the bearing seal upper filler and forms upper portion sealedly with the bolster bearing housing between, pivot pole surface lower part chucking has the pivot cutting ferrule, the pivot cutting ferrule is located the supporting seat below.

Preferably, a fixed plate is fixedly arranged on one side of the upper end of the supporting seat, and the pneumatic actuator is hinged with the fixed plate.

Preferably, a maintenance opening is formed in the lower side of the outer surface of the lower valve seat.

Preferably, a sealing wire slot is formed in the upper end of the supporting seat, and a sealing ring is arranged in the sealing wire slot.

Preferably, the sealing valve core is abutted with the upper valve seat sealing cover, and the sealing valve core and the upper valve seat sealing cover are urged to form mechanical sealing through the elastic force adjusting component.

Preferably, the support seat and the lower valve seat are sealed by glue.

Preferably, the lower end of the upper valve seat sealing cover is nested with a wear-resistant alloy ring.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model discloses a metallurgical swing valve device capable of rapidly replacing a sealing valve core, which is characterized in that an upper valve seat of a traditional swing valve is split to be divided into an upper valve seat sealing cover and a supporting seat, so that the problem that the traditional swing valve needs to be integrally dismantled for maintenance during equipment maintenance is solved, the manpower, material resources and time cost are saved, the use requirement of people is met, and the metallurgical swing valve device is suitable for popularization and use;

2. the sealing element part of the upper valve seat is separated by detaching the upper valve seat of the traditional swing valve, and the pneumatic actuator is not required to be discarded and removed entirely by the whole upper valve seat when the sealing element is damaged, so that the problem of equipment maintenance cost is solved.

Drawings

FIG. 1 is a schematic side sectional view of the present utility model;

FIG. 2 is a schematic top plan view of the present utility model;

FIG. 3 is a schematic view showing a cut-away structure of the upper valve seat seal cover of the present utility model.

In the figure: 1. an upper valve seat sealing cover; 2. a support base; 3. a lower valve seat; 4. a spring seat; 5. a spring; 6. a seal valve core swing arm; 7. a rotating shaft lever; 8. a rotating shaft clamping sleeve; 9. a bearing seal lower packing; 10. a lower bearing seat; 11. sealing the valve core; 12. an elastic force adjusting component; 13. a wear resistant alloy ring; 14. sealing the wire slot; 15. a seal ring; 16. an upper bearing seat; 17. a rotating shaft swing arm; 18. a pneumatic actuator; 19. a seal ring; 20. a connecting piece; 21. a maintenance port; 22. a mounting hole; 23. a fixing plate; 101. a flange; 102. a transition section; 103. sealing cover; 104. a cannula; 201. and a connection hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a metallurgical swing valve device for quickly replacing a sealing valve core comprises an upper valve seat sealing cover 1, a supporting seat 2, a lower valve seat 3, a sealing valve core 11 and a pneumatic actuator 18, wherein a connecting hole 201 is formed in the upper end of the supporting seat 2, the bottom of the upper valve seat sealing cover 1 is fixedly installed in the connecting hole 201 through a bolt, a gasket is arranged between the upper valve seat sealing cover 1 and the supporting seat 2, the supporting seat 2 is fixedly installed at the upper end of the lower valve seat 3 through a bolt, a sealing valve core swing arm 6 is arranged in the lower valve seat 3, one end of the sealing valve core swing arm 6 is connected with one end of a rotating shaft rod 7, the sealing valve core swing arm 6 is vertically arranged with the rotating shaft rod 7, a spring seat 4 is arranged at the other end of the sealing valve core swing arm 6, a cylinder inner hole is formed in the spring seat 4, a spring adjusting assembly 12 is arranged above the spring seat 4, the lower end of the spring adjusting assembly 12 is inserted into the cylinder inner hole and sleeved with a spring 5, a sealing valve core 11 is arranged above the spring adjusting assembly 12, an output end of the pneumatic actuator 18 is provided with a connecting piece 20, one end of the connecting piece 20 is connected with one end of the rotating shaft 17, and the other end of the rotating shaft 17 is far away from the rotating shaft 17.

The upper valve seat sealing cover 1 comprises a sealing cover 103, a transition section 102 is welded at the upper end of the sealing cover 103, a flange 101 is welded at the upper end of the transition section 102, a bolt hole is formed in the sealing cover 103, the sealing cover 103 is fixedly mounted at the upper end of the supporting seat 2 through a bolt, a cannula 104 is fixedly mounted at the bottom of the sealing cover 103, the cannula 104 is inserted into the connecting hole 201, the upper valve seat sealing cover 1 and the supporting seat 2 are conveniently and independently detached, the whole structure of disassembly and assembly is not needed, and manpower and material resources are saved.

The upper end of the supporting seat 2 is provided with a mounting hole 22, an upper bearing seat 16 and a lower bearing seat 10 are fixedly arranged in the mounting hole 22, the upper bearing seat 16 and the lower bearing seat 10 are fixedly connected, the rotating shaft rod 7 passes through the upper bearing seat 16 and the lower bearing seat 10, a bearing seal lower packing 9 is sleeved on the lower portion of the outer surface of the rotating shaft rod 7 and forms lower seal with the lower bearing seat 10, a bearing seal upper packing 15 is sleeved on the upper portion of the outer surface of the rotating shaft rod 7 and forms upper seal with the upper bearing seat 16, a rotating shaft clamping sleeve 8 is clamped on the lower portion of the outer surface of the rotating shaft rod 7, and the rotating shaft clamping sleeve 8 is positioned below the supporting seat 2.

A fixed plate 23 is fixedly arranged on one side of the upper end of the supporting seat 2, and the pneumatic actuator 18 is hinged with the fixed plate 23.

The lower side of the outer surface of the lower valve seat 3 is provided with a maintenance opening 21, and the maintenance opening 21 is not limited in size and can be round, square and the like.

The upper end of the supporting seat 2 is provided with a sealing wire groove 14, a sealing ring 19 is arranged in the sealing wire groove 14, the supporting seat 2 and the lower valve seat 3 are sealed by glue, and the lower end of the upper valve seat sealing cover 1 is nested with a wear-resistant alloy ring 13.

The sealing valve core 11 is abutted with the upper valve seat sealing cover 1, and the sealing valve core 11 and the upper valve seat sealing cover 1 are urged to form mechanical sealing through the elastic force adjusting component 12.

The working principle of the utility model is as follows: the valve seat sealing cover 1 and the supporting seat 2 on the swing valve device can be easily separated, and the connection of other pneumatic actuators 18 and other devices is not influenced while the separation is carried out, so that the whole device can be overhauled when overhauling and maintaining is carried out, the convenience and the rapidness are realized, and the pneumatic and switch signal detection device parts are not damaged; in the traditional swing valve device, the upper valve seat sealing cover 1 and the supporting seat 2 are integrated, the upper valve seat sealing cover and the supporting seat 2 are required to be detached together with the pneumatic actuator 18 during disassembly, and the whole swing valve device is required to be detached for maintenance, so that material resources and manpower resources are wasted.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A metallurgical swing valve device for rapidly replacing a sealing valve core is characterized in that: including last disk seat sealed lid (1), supporting seat (2), lower disk seat (3), sealed case (11) and pneumatic actuator (18), connecting hole (201) have been seted up to supporting seat (2) upper end, go up disk seat sealed lid (1) bottom and pass through bolt fixed mounting in connecting hole (201), supporting seat (2) are through bolt fixed mounting in disk seat (3) upper end down, disk seat (3) inside is provided with sealed case swing arm (6) down, the one end of sealed case swing arm (6) is connected with the one end of pivot pole (7), the other end of sealed case swing arm (6) is provided with spring holder (4), be provided with cylinder hole in spring holder (4) top, spring holder (4) top is provided with elasticity regulation subassembly (12), elasticity regulation subassembly (12) lower extreme is inserted and is equipped with spring (5) in cylinder hole, elasticity regulation subassembly (12) top is provided with sealed case (11), the output of pneumatic actuator (18) is provided with connecting piece (20), connecting piece (20) are kept away from the other end of pivot (17) of swing arm (17) and are connected with in pivot (17).

2. The metallurgical swing valve apparatus for quick replacement of a sealing spool as set forth in claim 1, wherein: the upper valve seat sealing cover (1) comprises a sealing cover (103), a transition section (102) is welded at the upper end of the sealing cover (103), a flange (101) is welded at the upper end of the transition section (102), a bolt hole is formed in the sealing cover (103), the sealing cover (103) is fixedly mounted at the upper end of a supporting seat (2) through a bolt, an insertion pipe (104) is fixedly mounted at the bottom of the sealing cover (103), and the insertion pipe (104) is inserted into a connecting hole (201).

3. The metallurgical swing valve apparatus for quick replacement of a sealing spool as set forth in claim 1, wherein: the bearing support is characterized in that a mounting hole (22) is formed in the upper end of the supporting seat (2), an upper bearing seat (16) and a lower bearing seat (10) are fixedly arranged in the mounting hole (22), the upper bearing seat (16) and the lower bearing seat (10) are fixedly connected, a rotating shaft rod (7) penetrates through the upper bearing seat (16) and the lower bearing seat (10) to be arranged, a bearing sealing lower packing (9) is sleeved on the lower portion of the outer surface of the rotating shaft rod (7) and forms lower sealing with the lower bearing seat (10), a bearing sealing upper packing (15) is sleeved on the upper portion of the outer surface of the rotating shaft rod (7) and forms upper sealing with the upper bearing seat (16), and a rotating shaft clamping sleeve (8) is clamped on the lower portion of the outer surface of the rotating shaft rod (7), and the rotating shaft clamping sleeve (8) is located below the supporting seat (2).

4. The metallurgical swing valve apparatus for quick replacement of a sealing spool as set forth in claim 1, wherein: a fixed plate (23) is fixedly arranged on one side of the upper end of the supporting seat (2), and the pneumatic actuator (18) is hinged with the fixed plate (23).

5. The metallurgical swing valve apparatus for quick replacement of a sealing spool as set forth in claim 1, wherein: a maintenance opening (21) is formed in the lower side of the outer surface of the lower valve seat (3).

6. The metallurgical swing valve apparatus for quick replacement of a sealing spool as set forth in claim 1, wherein: the upper end of the supporting seat (2) is provided with a sealing wire groove (14), and a sealing ring (19) is arranged in the sealing wire groove (14).

7. The metallurgical swing valve apparatus for quick replacement of a sealing spool as set forth in claim 1, wherein: the sealing valve core (11) is abutted with the upper valve seat sealing cover (1), and the sealing valve core (11) and the upper valve seat sealing cover (1) are urged to form mechanical sealing through the elastic force adjusting component (12).

8. The metallurgical swing valve apparatus for quick replacement of a sealing spool as set forth in claim 1, wherein: the support seat (2) and the lower valve seat (3) are sealed by glue.

9. The metallurgical swing valve apparatus for quick replacement of a sealing spool as set forth in claim 1, wherein: the lower end of the upper valve seat sealing cover (1) is nested with a wear-resistant alloy ring (13).