CN213744969U

CN213744969U - Rubber-lined butterfly valve with corrosion resistance

Info

Publication number: CN213744969U
Application number: CN202022821466.1U
Authority: CN
Inventors: 陈志文
Original assignee: Tianjin Tianjin Valve Manufacturing Co ltd
Current assignee: Tianjin Tianjin Valve Manufacturing Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-20
Anticipated expiration: 2030-11-30

Abstract

The utility model belongs to the technical field of the butterfly valve, especially, be a lining butterfly valve with corrosion resistance, including the valve body, the valve body upper end is provided with the disk seat, and disk seat one side is provided with the pivot, and the pivot surface is provided with the runner, and the runner apparent connection is provided with the carousel, and the valve body lower extreme is provided with the valve rod chamber, is provided with the valve rod that passes valve body and disk seat and pivot swing joint in the valve rod chamber, and valve rod chamber lower extreme is provided with the valve casing, is connected between valve casing and the valve rod chamber and is provided with a pair of arc piece, runs through on the valve casing and is provided with a plurality of through-holes. The utility model discloses a set up stainless steel layer, nickel cobalt alloy layer and anticorrosive coating and carry out preliminary anticorrosive to the butterfly valve, set up aluminium post and stainless steel layer, nickel cobalt alloy layer and anticorrosive coating again and form anticorrosive circuit, the butterfly valve has further been protected to the sacrificial aluminium post, has ensured that the valve plate can not warp because of the punching press through setting up the impact force of arc resistance to compression metal level fully dispersed liquid to the valve plate.

Description

Rubber-lined butterfly valve with corrosion resistance

Technical Field

The utility model relates to a butterfly valve technical field specifically is a lining rubber butterfly valve with corrosion resistance.

Background

At present, a butterfly valve with rubber lining is used as a component for realizing the on-off and flow control of a pipeline system, and is widely applied to various fields of petroleum, chemical engineering, metallurgy, water and electricity and the like. In the known butterfly valve technology, a sealing structure is often adopted as a sealing form, and the sealing material is rubber, polytetrafluoroethylene or the like. Due to the limitation of structural characteristics, the high-temperature-resistant, high-pressure-resistant, corrosion-resistant and abrasion-resistant industries are not suitable. The butterfly valve has the advantages that the butterfly valve plays a great role in the process of daily life and industrial production, the shadow of a user can be seen frequently, particularly in the field of metallurgy, the butterfly valve is used for controlling the flow of liquid in the process of metallurgy due to the particularity of the liquid in the process of metallurgy, however, the liquid in the process of metallurgy production has high corrosivity, the service life of a common butterfly valve is not long, the butterfly valve is corroded frequently and needs to be replaced, the butterfly valve is extruded and deformed by the liquid in a stamping mode frequently, the working efficiency of metallurgy is greatly reduced, a large number of butterfly valves are wasted, and resource waste is caused.

The prior art has the following defects or problems:

1. the prior art has the defects of non-corrosion resistance and easy corrosion by corrosive liquid;

2. the prior art has the defects of poor stamping resistance and easy damage and deformation caused by liquid stamping.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a lining rubber butterfly valve with corrosion resistance to reach corrosion-resistant, resistant punching press's purpose.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lining rubber butterfly valve with corrosion resistance, which comprises a valve body, the valve body upper end is provided with the disk seat, disk seat one side is provided with the pivot, the pivot surface is provided with the runner, runner apparent connection is provided with the carousel, the valve body lower extreme is provided with the valve rod chamber, be provided with the valve rod that passes valve body and disk seat and pivot swing joint in the valve rod chamber, valve rod chamber lower extreme is provided with the valve casing, it is provided with a pair of arc piece to be connected between valve casing and the valve rod chamber, it is provided with a plurality of through-holes to run through on the valve casing, be provided with the nickel cobalt alloy layer in the valve casing, nickel cobalt alloy layer inner wall is provided with the stainless steel layer, set up the valve plate chamber in the stainless steel layer, valve plate chamber outer end is provided with the sealing washer, the valve plate intracavity is provided with the valve plate, the valve plate outer wall is provided with the anticorrosive coating, the anticorrosive coating outer wall is provided with arc resistance to compression metal layer, arc resistance to compression metal layer center is provided with the aluminium post.

As the utility model discloses an optimized technical scheme, the external diameter size of pivot and the internal diameter size phase-match of runner, the pivot cup joints with the runner.

As the preferred technical scheme of the utility model, the internal diameter size of nickel cobalt alloy layer and the external diameter size phase-match on stainless steel layer, nickel cobalt alloy layer and stainless steel layer welding.

As the utility model discloses a preferred technical scheme, the internal diameter size in valve plate chamber and the external diameter size phase-match of valve plate, valve plate chamber and valve plate swing joint.

As the preferred technical scheme of the utility model, the external surface area of valve plate and the external surface area phase-match of anticorrosive coating, valve plate and anticorrosive coating fixed connection.

As the preferred technical scheme of the utility model, the exterior surface area of anticorrosive coating and the interior surface area phase-match of arc resistance to compression metal level, anticorrosive coating and arc resistance to compression metal level fixed connection.

As the utility model discloses a preferred technical scheme, the quantity of aluminium post is two, the aluminium post is about valve plate central symmetry distribution.

Compared with the prior art, the utility model provides a lining rubber butterfly valve with corrosion resistance possesses following beneficial effect:

1. according to the butterfly valve with the corrosion resistance and the rubber lining, the butterfly valve is subjected to preliminary corrosion prevention by arranging the stainless steel layer, the nickel-cobalt alloy layer and the corrosion prevention layer, and the aluminum column and the stainless steel layer, the nickel-cobalt alloy layer and the corrosion prevention layer are arranged to form a corrosion prevention circuit, so that the butterfly valve is further protected by sacrificing the aluminum column;

2. this lining rubber butterfly valve with corrosion resistance through setting up arc resistance to compression metal level, utilizes the radian to the impact force of liquid to the valve plate of having fully dispersed to the valve plate has born the pressure that comes from liquid, has ensured that the valve plate can not warp because of the punching press.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: 1. a turntable; 2. a rotating wheel; 3. a rotating shaft; 4. a valve seat; 5. a valve body; 6. a valve stem cavity; 7. an arc sheet; 8. a valve housing; 9. a through hole; 10. a seal ring; 11. a stainless steel layer; 12. an anticorrosive layer; 13. an arc-shaped compression-resistant metal layer; 14. a valve plate; 15. an aluminum column; 16. a valve stem; 17. a nickel-cobalt alloy layer; 18. a valve plate cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in this embodiment: the utility model provides a lining with rubber butterfly valve with corrosion resistance, includes valve body 5, valve body 5 upper end is provided with disk seat 4, disk seat 4 one side is provided with pivot 3, pivot 3 surface is provided with runner 2, runner 2 apparent connection is provided with carousel 1, valve body 5 lower extreme is provided with valve rod chamber 6, be provided with the valve rod 16 that passes valve body 5 and disk seat 4 and pivot 3 swing joint in the valve rod chamber 6, valve rod chamber 6 lower extreme is provided with valve casing 8, it is provided with a pair of arc piece 7 to connect between valve casing 8 and the valve rod chamber 6, it is provided with a plurality of through-holes 9 to run through on the valve casing 8, be provided with nickel cobalt alloy layer 17 in the valve casing 8, nickel cobalt alloy layer 17 inner wall is provided with stainless steel layer 11, set up valve plate chamber 18 in the stainless steel layer 11, valve plate chamber 18 outer end is provided with sealing washer 10, be provided with valve plate 14 in the valve plate chamber 18, valve plate 14 outer wall is provided with anticorrosive coating 12, anticorrosive coating 12 outer wall is provided with arc resistance to compression metal level 13, arc resistance to compression metal level 13 center is provided with aluminium post 15.

In the embodiment, the outer diameter of the rotating shaft 3 is matched with the inner diameter of the rotating wheel 2, the rotating shaft 3 is sleeved with the rotating wheel 2, and the butterfly valve is connected with one part in a transmission manner; the inner diameter of the nickel-cobalt alloy layer 17 is matched with the outer diameter of the stainless steel layer 11, and the nickel-cobalt alloy layer 17 is welded with the stainless steel layer 11 for corrosion prevention and preliminary corrosion; the inner diameter of the valve plate cavity 18 is matched with the outer diameter of the valve plate 14, and the valve plate cavity 18 is movably connected with the valve plate 14, so that the valve plate 14 can work normally in the valve plate cavity 18; the outer surface area of the valve plate 14 is matched with the outer surface area of the anticorrosive layer 12, and the valve plate 14 is fixedly connected with the anticorrosive layer 12 to prevent the valve plate 14 from being corroded preliminarily; the outer surface area of the anticorrosive layer 12 is matched with the inner surface area of the arc-shaped pressure-resistant metal layer 13, the anticorrosive layer 12 is fixedly connected with the arc-shaped pressure-resistant metal layer 13, and the valve plate 14 is protected from impact by using the punching of the arc-shaped pressure-resistant metal layer 13 for dispersing liquid; the number of the aluminum columns 15 is two, the aluminum columns 15 are distributed in a central symmetry mode relative to the valve plate 14, and the aluminum columns 15 serve as anode sacrificial aluminum columns 15 in the anti-corrosion circuit to protect the butterfly valve from being corroded.

The utility model discloses a theory of operation and use flow: during operation rotates carousel 1 and drives runner 2 and then drives pivot 3 and finally drives valve plate 14 through 16 swing joint with the valve rod and rotate to the closure, when liquid flow direction butterfly valve, aluminium post 15 and nickel cobalt alloy layer 17, stainless steel layer 11, anticorrosive coating 12 forms the anticorrosive circuit, aluminium post 15 consumes self protection nickel cobalt alloy layer 17 as the positive pole, stainless steel layer 11, anticorrosive coating 12 and then has protected the butterfly valve, when aluminium post 15 consumes, nickel cobalt alloy layer 17, stainless steel layer 11, anticorrosive coating 12 consumes self protection butterfly valve and forms the secondary anticorrosion, when liquid flow direction butterfly valve, the abundant impact force that comes from liquid that has dispersed of the arc structure of anticorrosive coating 12 outer wall 13 utilization self, including self resistance to compression has fully protected valve plate 14, make it not by liquid impact extrusion deformation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lining rubber butterfly valve with corrosion resistance which characterized in that: including valve body (5), valve body (5) upper end is provided with disk seat (4), disk seat (4) one side is provided with pivot (3), pivot (3) surface is provided with runner (2), runner (2) apparent connection is provided with carousel (1), valve body (5) lower extreme is provided with valve rod chamber (6), be provided with in valve rod chamber (6) and pass valve body (5) and disk seat (4) and pivot (3) swing joint's valve rod (16), valve rod chamber (6) lower extreme is provided with valve casing (8), it is provided with a pair of arc piece (7) to be connected between valve casing (8) and valve rod chamber (6), it is provided with a plurality of through-holes (9) to run through on valve casing (8), be provided with nickel cobalt alloy layer (17) in valve casing (8), nickel cobalt alloy layer (17) inner wall is provided with stainless steel layer (11), set up valve plate chamber (18) in stainless steel layer (11), the valve plate cavity (18) outer end is provided with sealing washer (10), be provided with valve plate (14) in valve plate cavity (18), valve plate (14) outer wall is provided with anticorrosive coating (12), anticorrosive coating (12) outer wall is provided with arc resistance to compression metal layer (13), arc resistance to compression metal layer (13) center is provided with aluminium post (15).

2. A corrosion resistant, rubber-lined butterfly valve as defined in claim 1, wherein: the outer diameter of the rotating shaft (3) is matched with the inner diameter of the rotating wheel (2), and the rotating shaft (3) is sleeved with the rotating wheel (2).

3. A corrosion resistant, rubber-lined butterfly valve as defined in claim 1, wherein: the inner diameter of the nickel-cobalt alloy layer (17) is matched with the outer diameter of the stainless steel layer (11), and the nickel-cobalt alloy layer (17) is welded with the stainless steel layer (11).

4. A corrosion resistant, rubber-lined butterfly valve as defined in claim 1, wherein: the inner diameter of the valve plate cavity (18) is matched with the outer diameter of the valve plate (14), and the valve plate cavity (18) is movably connected with the valve plate (14).

5. A corrosion resistant, rubber-lined butterfly valve as defined in claim 1, wherein: the outer surface area of the valve plate (14) is matched with the outer surface area of the anticorrosive layer (12), and the valve plate (14) is fixedly connected with the anticorrosive layer (12).

6. A corrosion resistant, rubber-lined butterfly valve as defined in claim 1, wherein: the outer surface area of the anticorrosive layer (12) is matched with the inner surface area of the arc-shaped pressure-resistant metal layer (13), and the anticorrosive layer (12) is fixedly connected with the arc-shaped pressure-resistant metal layer (13).

7. A corrosion resistant, rubber-lined butterfly valve as defined in claim 1, wherein: the number of the aluminum columns (15) is two, and the aluminum columns (15) are distributed in a central symmetry mode relative to the valve plate (14).