CN213839605U

CN213839605U - Novel butterfly valve is adjusted to high temperature flue gas

Info

Publication number: CN213839605U
Application number: CN202023092118.1U
Authority: CN
Inventors: 潘海东; 刘毅; 黄元华
Original assignee: Hubei Huokede Valve Co ltd
Current assignee: Hubei Huokede Valve Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-07-30
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a novel butterfly valve is adjusted to high temperature flue gas, its technical scheme main points are: the butterfly valve comprises a butterfly valve body, wherein the butterfly valve body comprises a main valve and a connecting piece; the main valve comprises a valve body, a butterfly plate, a valve rod and a hand wheel; the valve body is provided with a plurality of threaded holes and a groove; the butterfly plate is fixedly provided with a plurality of reinforcing ribs, the plurality of reinforcing ribs and the butterfly plate form a triangular structure, and the valve body is rotatably arranged in the valve body through the valve rod; the valve rod is fixedly connected with the butterfly plate through the through hole, the valve rod penetrates through the valve body, the lower end of the valve rod is fixedly provided with a sealing bottom, and the upper end of the valve rod is fixedly provided with a support; the hand wheel is fixedly connected with the valve rod; a convex block is fixedly arranged on the connecting piece and matched with the groove; the utility model is provided with a group of reliable sealing structures, which can ensure the sealing performance of the butterfly valve, does not need complex structures and occupies too much space; set up the strengthening rib on the butterfly plate, the strengthening rib forms a triangle-shaped structure with the butterfly plate, guarantees the butterfly plate fastness.

Description

Novel butterfly valve is adjusted to high temperature flue gas

Technical Field

The utility model belongs to the technical field of novel butterfly valve is adjusted to high temperature flue gas and specifically relates to a novel butterfly valve is adjusted to high temperature flue gas.

Background

The butterfly valve is also called as a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which has a closing member (a valve clack or a butterfly plate) as a disk and can rotate around a valve shaft to open and close; the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing part is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

The butterfly valve is adjusted to traditional high temperature flue gas and is not enough:

1. the traditional high-temperature flue gas adjusting butterfly valve works in the environment with certain high temperature and certain dangerous gas, so the sealing performance is very important, and the traditional high-temperature flue gas adjusting butterfly valve is often poor in sealing performance; at present, a high-temperature flue gas regulating butterfly valve with firm and reliable sealing performance is urgently needed in the market.

2. In the traditional high-temperature flue gas adjusting butterfly valve, a butterfly plate is the most important part in the whole butterfly valve, so that the butterfly plate is firm and reliable and is the most important part; there is a need in the market for a butterfly plate that is robust and reliable.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a novel butterfly valve is adjusted to high temperature flue gas to solve the problem of the leakproofness and the butterfly plate fastness of the butterfly valve of mentioning in the background art.

The above technical purpose of the present invention is realized by the following technical solutions:

a novel high-temperature flue gas adjusting butterfly valve comprises a butterfly valve body, wherein the butterfly valve body comprises a main valve and a connecting piece; the main valve comprises a valve body, a butterfly plate, a valve rod and a hand wheel; the valve body is provided with a plurality of threaded holes and a groove; the butterfly plate is fixedly provided with a plurality of reinforcing ribs, the plurality of reinforcing ribs and the butterfly plate form a triangular structure, the triangle has better stability, the firmness of the butterfly plate can be ensured, and the valve body is rotatably arranged in the valve body through the valve rod; the valve rod is fixedly connected with the butterfly plate through the through hole, the valve rod penetrates through the valve body, the lower end of the valve rod is fixedly provided with a sealing bottom, and the upper end of the valve rod is fixedly provided with a support; the hand wheel is fixedly connected with the valve rod; the fixed lug that is provided with on the connecting piece, the lug cooperatees with the recess, through the cooperation of lug and recess, can strengthen its leakproofness, further avoids the butterfly valve gas leakage, and the butterfly valve wholly can not have more change, need not occupy too much space and complicated structure alright promote its sealing performance.

Furthermore, the edge of the upper convex block, the edge of the inner concave groove and the edge of the butterfly plate are fixedly provided with sealing rings.

Through adopting above-mentioned technical scheme, the setting of multiple sealing washer can effectually guarantee the sealing performance of butterfly valve, guarantee safety in production.

Furthermore, the sealing ring is made of vulcanized rubber.

Through adopting above-mentioned technical scheme, vulcanized rubber has difficult rupture, and is wear-resisting and high temperature resistant and effectual characteristics of heat dissipation, and the heat absorption effect is relatively poor, can experience long-time use and need not change it, is the preferred selection of sealing washer material.

Furthermore, an auxiliary wheel is arranged on the hand wheel in a rotating mode.

Through adopting above-mentioned technical scheme, the auxiliary wheel can make things convenient for the operator to carry out one-hand operation, can promote operating speed simultaneously, and it is very convenient to use.

Furthermore, the reinforcing ribs and the butterfly plates are designed in a hollow manner.

Through adopting above-mentioned technical scheme, the design of fretwork can also reduce the resistance when guaranteeing butterfly plate tightness, lets the quick smooth circulation of flue gas.

Furthermore, the butterfly plate is made of stainless steel, and the surface of the butterfly plate is subjected to anodic oxidation treatment.

Through adopting above-mentioned technical scheme, nonrust steel ground is harder, and high temperature resistant, is the preferred selection of butterfly plate material, and the anodic oxidation technology is healthy environmental protection, resistant scraping and wear-resisting, prevent fingerprint, anticorrosion, antistatic, can prolong the life-span assurance safety of butterfly plate.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a, adjust the butterfly valve through novel high temperature flue gas to traditional and improve, set up a set of simple and effectual seal structure, main valve and connecting piece pass through the cooperation of lug with the recess, can strengthen its leakproofness, further avoid the butterfly valve to leak gas, and the butterfly valve wholly can not have more change, need not occupy too much space and complicated structure alright promote its sealing performance.

2. The utility model discloses a, adjust the butterfly valve through novel high temperature flue gas to traditional and improve, set up a plurality of strengthening ribs on the butterfly plate, and strengthening rib and butterfly plate form a triangle-shaped structure, triangle-shaped has the stability of preferred, can guarantee the fastness of butterfly plate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of a main valve;

fig. 3 is a schematic structural diagram of the butterfly plate.

In the figure: 1. a butterfly valve body; 2. a main valve; 3. a connecting member; 301. a bump; 4. a valve body; 401. a threaded hole; 402. a groove; 5. a butterfly plate; 501. reinforcing ribs; 502. a through hole; 6. a valve stem; 601. sealing the bottom; 602. a support; 7. a hand wheel; 701. a secondary wheel; 8. and (5) sealing rings.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-3, a novel high-temperature flue gas adjusting butterfly valve comprises a butterfly valve body 1, wherein the butterfly valve body 1 comprises a main valve 2 and a connecting piece 3; the main valve 2 comprises a valve body 4, a butterfly plate 5, a valve rod 6 and a hand wheel 7; a plurality of threaded holes 401 are formed in the valve body 4, and a groove 402 is formed in the valve body 4; the butterfly plate 5 is fixedly provided with a plurality of reinforcing ribs 501, the plurality of reinforcing ribs 501 and the butterfly plate 5 form a triangular structure, the triangle has better stability, the firmness of the butterfly plate 5 can be ensured, and the valve body 4 is rotatably arranged in the valve body 4 through the valve rod 6; the valve rod 6 is fixedly connected with the butterfly plate 5 through the through hole 502, the valve rod 6 penetrates through the valve body 4, the lower end of the valve rod 6 is fixedly provided with a sealing bottom 601, and the upper end of the valve rod 6 is fixedly provided with a support 602; the hand wheel 7 is fixedly connected with the valve rod 6; the fixed lug 301 that is provided with on the connecting piece 3, lug 301 and recess 402 cooperate, through the cooperation of lug 301 and recess 402, can strengthen its leakproofness, further avoid the butterfly valve gas leakage, and the butterfly valve is whole can not have more change, need not occupy too much space and complicated structure alright promote its sealing performance.

Referring to fig. 1 and 2, the sealing rings 8 are fixedly arranged on the projection 301, in the groove 402 and at the edge of the butterfly plate 5, and the sealing performance of the butterfly valve can be effectively ensured by arranging multiple sealing rings 8, so that the safety production is guaranteed.

Referring to fig. 1 and 2, the sealing ring 8 is made of vulcanized rubber, which has the characteristics of being not easily broken, wear-resistant, high-temperature-resistant, and good in heat dissipation effect, and has a poor heat absorption effect, so that the sealing ring can be used for a long time without being replaced, and is a better choice for the material of the sealing ring 8.

Referring to fig. 1 and 2, the handwheel 7 is rotatably provided with a secondary wheel 701, the secondary wheel 701 can facilitate the one-hand operation of an operator, and meanwhile, the operation speed can be increased, and the use is very convenient.

Referring to fig. 1 and 3, for the fretwork design between strengthening rib 501 and the butterfly plate 5, the design of fretwork can also reduce the resistance when guaranteeing the robustness of butterfly plate 5, lets the quick smooth circulation of flue gas.

Referring to fig. 1 and 3, the butterfly plate 5 is made of stainless steel, the surface of the butterfly plate is anodized, the butterfly plate is hard in stainless steel and resistant to high temperature, the butterfly plate 5 is preferably made of the material, and the anodizing process is healthy and environment-friendly, resistant to scratch and abrasion, resistant to fingerprints, corrosion and static, the service life of the butterfly plate 5 can be prolonged, and safety is guaranteed.

When the butterfly valve is used, a group of simple and effective sealing structures are arranged, the sealing performance of the butterfly valve can be enhanced through the matching of the convex block 301 and the groove 402, the air leakage of the butterfly valve is further avoided, the whole butterfly valve cannot be changed more, and the sealing performance of the butterfly valve can be improved without occupying too much space and a complex structure; set up a plurality of strengthening ribs 501 on butterfly plate 5, and strengthening rib 501 forms a triangle-shaped structure with butterfly plate 5, and triangle-shaped has the stability of preferred, can guarantee butterfly plate 5's fastness, is the fretwork design between strengthening rib 501 and the butterfly plate 5, and the design of fretwork can also reduce the resistance when guaranteeing butterfly plate 5 soundness, lets the quick smooth circulation of flue gas.

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. The utility model provides a novel butterfly valve is adjusted to high temperature flue gas, includes butterfly valve body (1), its characterized in that: the butterfly valve body (1) comprises a main valve (2) and a connecting piece (3); the main valve (2) comprises a valve body (4), a butterfly plate (5), a valve rod (6) and a hand wheel (7); the valve body (4) is provided with a plurality of threaded holes (401), and the valve body (4) is provided with a groove (402); the butterfly plate (5) is fixedly provided with a plurality of reinforcing ribs (501), the reinforcing ribs (501) and the butterfly plate (5) form a triangular structure, and the valve body (4) is rotatably arranged in the valve body (4) through a valve rod (6); the valve rod (6) is fixedly connected with the butterfly plate (5) through a through hole (502), the valve rod (6) penetrates through the valve body (4), a sealing bottom (601) is fixedly arranged at the lower end of the valve rod (6), and a support (602) is fixedly arranged at the upper end of the valve rod (6); the hand wheel (7) is fixedly connected with the valve rod (6); a convex block (301) is fixedly arranged on the connecting piece (3), and the convex block (301) is matched with the groove (402).

2. The novel high-temperature flue gas adjusting butterfly valve of claim 1, characterized in that: and sealing rings (8) are fixedly arranged on the convex block (301), in the groove (402) and at the edge of the butterfly plate (5).

3. The novel high-temperature flue gas adjusting butterfly valve of claim 2, characterized in that: the sealing ring (8) is made of vulcanized rubber.

4. The novel high-temperature flue gas adjusting butterfly valve of claim 1, characterized in that: an auxiliary wheel (701) is arranged on the hand wheel (7) in a rotating mode.

5. The novel high-temperature flue gas adjusting butterfly valve of claim 1, characterized in that: the hollow design is adopted between the plurality of reinforcing ribs (501) and the butterfly plate (5).

6. The novel high-temperature flue gas adjusting butterfly valve of claim 1, characterized in that: the butterfly plate (5) is made of stainless steel, and the surface of the butterfly plate is subjected to anodic oxidation treatment.