CN214889020U

CN214889020U - Wear-resistant and corrosion-resistant butterfly valve

Info

Publication number: CN214889020U
Application number: CN202121227127.9U
Authority: CN
Inventors: 巫文安; 王碧春
Original assignee: Fujian Wilke Valve Manufacturing Co ltd
Current assignee: Fujian Wilke Valve Manufacturing Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-26
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a wear-resistant corrosion-resistant butterfly valve, including the butterfly valve body, the inner chamber of butterfly valve body is provided with first inoxidizing coating, first inoxidizing coating includes elastic layer, enhancement layer and high temperature resistant layer, the top of elastic layer is provided with the enhancement layer, the bottom of enhancement layer is provided with high temperature resistant layer, the inboard of first inoxidizing coating is provided with the second inoxidizing coating. The utility model discloses a design wearing layer, the inner chamber that can make the butterfly valve body has good wearability, the life-span of increase butterfly valve body, through design corrosion resistant layer, polytetrafluoroethylene has good corrosion resisting property, when making the corrosive medium flow in the butterfly valve body, can not corrode the valve body, through the design waterproof layer, ethylene propylene diene monomer prevents that liquid from permeating the surface of butterfly valve body inner chamber in highly compressed state, further improve the life-span of butterfly valve body, thereby reach the corrosion resistant effect that wear-resistants, the problem that current butterfly valve does not wear-resistants and corrosion resistance is poor has been solved.

Description

Wear-resistant and corrosion-resistant butterfly valve

Technical Field

The utility model relates to the technical field of valves, specifically be a wear-resistant corrosion-resistant butterfly valve.

Background

The butterfly valve is a regulating valve with simple structure, also called a flap valve, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member being a disk and rotating around a valve shaft to achieve the opening and closing, the existing butterfly valve realizes the on-off control of the low-pressure pipeline media through the combined action of a valve body, a valve rod and a hand wheel, the hand wheel is rotated to rotate the valve rod, the rotation of the valve rod rotates a disk plate, thereby realizing the circulation of the medium in the valve body, the butterfly valve in the prior art is easy to be corroded in the process of controlling the opening and closing of the medium of the pressing pipeline for a long time, the corrosion of the butterfly valve can easily cause the medium to be polluted, and if the corrosion of the butterfly valve is too serious, the valve rod is easy to rotate to cause the damage of the whole butterfly valve, moreover, the existing butterfly valve is generally an annular valve body, and when the flowing pressure is strong, the valve body is easily damaged under the impact of fluid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resistant corrosion-resistant butterfly valve possesses wear-resistant corrosion-resistant advantage, has solved the problem that current butterfly valve does not wear-resistant and corrosion resistance is poor.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wear-resistant corrosion-resistant butterfly valve, includes the butterfly valve body, the inner chamber of butterfly valve body is provided with first inoxidizing coating, first inoxidizing coating includes elastic layer, enhancement layer and high temperature resistant layer, the top of elastic layer is provided with the enhancement layer, the bottom of enhancement layer is provided with high temperature resistant layer, the inboard of first inoxidizing coating is provided with the second inoxidizing coating, the second inoxidizing coating includes waterproof layer, corrosion-resistant layer and wearing layer, the bottom of waterproof layer is provided with the corrosion-resistant layer, the bottom of corrosion-resistant layer is provided with the wearing layer.

Preferably, the elastic layer is made of methacrylate, and the high-temperature resistant layer is made of glass fiber.

Preferably, the reinforcing layer is a metal braided net layer, and the reinforcing layer is embedded in the surface of the elastic layer.

Preferably, the waterproof layer is made of ethylene propylene diene monomer rubber, and the corrosion-resistant layer is made of polytetrafluoroethylene.

Preferably, the wear-resistant layer is made of ceramic fiber polymers, and the surface of the butterfly valve body is coated with anti-oxidation paint.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a design wearing layer, the inner chamber that can make the butterfly valve body has good wearability, the life-span of increase butterfly valve body, through design corrosion resistant layer, polytetrafluoroethylene has good corrosion resisting property, when making the corrosive medium flow in the butterfly valve body, can not corrode the valve body, through the design waterproof layer, ethylene propylene diene monomer prevents that liquid from permeating the surface of butterfly valve body inner chamber in highly compressed state, further improve the life-span of butterfly valve body, thereby reach the corrosion resistant effect that wear-resistants, the problem that current butterfly valve does not wear-resistants and corrosion resistance is poor has been solved.

2. The utility model discloses a design elastic layer reduces the impact force of high-pressure liquid to the butterfly valve body, and through the resistant high temperature layer of design, the material that coefficient of heat conductivity is low can completely cut off thermal transmission, avoids breaking away from because the internal surface that first inoxidizing coating expend with heat and contract with cold leads to its butterfly valve body, and the netted layer of weaving for the metal through the design enhancement layer improves the holistic structural strength of this inoxidizing coating.

Drawings

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

FIG. 2 is a front sectional view of the elastic layer structure of the present invention;

fig. 3 is a front view and a sectional view of the waterproof layer structure of the present invention.

In the figure: 1. a butterfly valve body; 2. a first protective layer; 21. an elastic layer; 22. a reinforcing layer; 23. a high temperature resistant layer; 3. a second protective layer; 31. a waterproof layer; 32. a corrosion-resistant layer; 33. and a wear-resistant layer.

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, a wear-resistant and corrosion-resistant butterfly valve comprises a butterfly valve body 1, a first protective layer 2 is disposed in an inner cavity of the butterfly valve body 1, the first protective layer 2 includes an elastic layer 21, a reinforcing layer 22 and a high temperature resistant layer 23, the reinforcing layer 22 is disposed on a top of the elastic layer 21, the reinforcing layer 22 is a metal-woven mesh layer, the reinforcing layer 22 is embedded in a surface of the elastic layer 21, impact force of high-pressure liquid on the butterfly valve body 1 is reduced by designing the elastic layer 21, transmission of heat can be isolated by designing the high temperature resistant layer 23 and a material with a low thermal conductivity coefficient, the inner surface of the butterfly valve body 1 is prevented from being separated due to thermal expansion and contraction of the first protective layer 2, the structural strength of the whole butterfly valve body is improved by designing the reinforcing layer 22 as the metal-woven mesh layer, the high temperature resistant layer 23 is disposed at a bottom of the reinforcing layer 22, and the elastic layer 21 is made of methacrylate, the high temperature resistant layer 23 is made of glass fiber, the inner side of the first protective layer 2 is provided with the second protective layer 3, the second protective layer 3 comprises a waterproof layer 31, an anti-corrosion layer 32 and an abrasion-resistant layer 33, the bottom of the waterproof layer 31 is provided with the anti-corrosion layer 32, the waterproof layer 31 is made of ethylene propylene diene monomer, the anti-corrosion layer 32 is made of polytetrafluoroethylene, the bottom of the anti-corrosion layer 32 is provided with the abrasion-resistant layer 33, the abrasion-resistant layer 33 is made of ceramic fiber polymer, the surface of the butterfly valve body 1 is coated with anti-oxidation paint, by designing the abrasion-resistant layer 33, the inner cavity of the butterfly valve body 1 has good abrasion resistance, the service life of the butterfly valve body 1 is prolonged, by designing the anti-corrosion layer 32, the polytetrafluoroethylene has good corrosion resistance, when corrosive media flow in the butterfly valve body, the valve body cannot be corroded, by designing the waterproof layer 31, the ethylene propylene diene monomer prevents liquid from permeating into the surface of the inner cavity of the butterfly valve body 1 in a high pressure state, the service life of the butterfly valve body 1 is further prolonged, so that the effects of wear resistance and corrosion resistance are achieved, and the problems that the existing butterfly valve is not wear resistant and poor in corrosion resistance are solved.

When the butterfly valve is used, the inner cavity of the butterfly valve body 1 has good wear resistance by designing the wear-resistant layer 33, the service life of the butterfly valve body 1 is prolonged, the polytetrafluoroethylene has good corrosion resistance by designing the corrosion-resistant layer 32, when corrosive media flow in the butterfly valve body, the valve body cannot be corroded, the ethylene propylene diene monomer rubber prevents liquid from permeating into the surface of the inner cavity of the butterfly valve body 1 in a high-pressure state by designing the waterproof layer 31, the service life of the butterfly valve body 1 is further prolonged, the impact force of the high-pressure liquid on the butterfly valve body 1 is reduced by designing the elastic layer 21, the transmission of heat can be isolated by designing the high-temperature-resistant layer 23 and materials with low heat conductivity coefficient, the separation of the inner surface of the butterfly valve body 1 caused by the expansion and contraction of the first protective layer 2 is avoided, and the overall structural strength of the protective layer is improved by designing the reinforcing layer 22 as a metal-woven mesh layer, thereby achieving the effects of abrasion resistance and corrosion resistance.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wear-resistant corrosion-resistant butterfly valve, includes butterfly valve body (1), its characterized in that: the inner chamber of butterfly valve body (1) is provided with first inoxidizing coating (2), first inoxidizing coating (2) include elastic layer (21), enhancement layer (22) and high temperature resistant layer (23), the top of elastic layer (21) is provided with enhancement layer (22), the bottom of enhancement layer (22) is provided with high temperature resistant layer (23), the inboard of first inoxidizing coating (2) is provided with second inoxidizing coating (3), second inoxidizing coating (3) are including waterproof layer (31), corrosion-resistant layer (32) and wearing layer (33), the bottom of waterproof layer (31) is provided with corrosion-resistant layer (32), the bottom of corrosion-resistant layer (32) is provided with wearing layer (33).

2. A wear and corrosion resistant butterfly valve as claimed in claim 1, wherein: the elastic layer (21) is made of methacrylate, and the high-temperature resistant layer (23) is made of glass fiber.

3. A wear and corrosion resistant butterfly valve as claimed in claim 1, wherein: the reinforcing layer (22) is a metal braided net-shaped layer, and the reinforcing layer (22) is embedded in the surface of the elastic layer (21).

4. A wear and corrosion resistant butterfly valve as claimed in claim 1, wherein: the waterproof layer (31) is made of ethylene propylene diene monomer, and the corrosion-resistant layer (32) is made of polytetrafluoroethylene.

5. A wear and corrosion resistant butterfly valve as claimed in claim 1, wherein: the wear-resistant layer (33) is made of ceramic fiber polymers, and the surface of the butterfly valve body (1) is coated with anti-oxidation paint.