CN217177440U - High-temperature adjusting butterfly valve - Google Patents

Abstract

The utility model discloses a high temperature adjusting butterfly valve, its technical scheme main points are including the valve body, be located the butterfly plate in the valve body, be located last valve rod and lower valve rod of butterfly plate upper and lower side respectively, go up the inside runner that has all seted up of valve rod and lower valve rod, the both ends of runner are located inside and the outside of valve body respectively, all be provided with a plurality of roots on two terminal surfaces of butterfly plate and the diversion pipe that just is used for the runner between them of last valve rod and lower valve rod to communicate each other with the butterfly plate laminating, the problem of prior art adoption hollow butterfly plate leads to the easy deformation of butterfly plate has been solved.

Description

High-temperature adjusting butterfly valve

Technical Field

The utility model relates to a butterfly valve field, more specifically the butterfly valve is adjusted to high temperature that says so relates to.

Background

A butterfly valve, also called 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 is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The high-temperature butterfly valve 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 industry, 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.

At present current high temperature butterfly valve, pipeline department is the place that each spare part concentrates usually, and the high temperature heat produces the influence to the spare part easily, influences the life of use, and the adoption is made the butterfly plate hollowly in the current, and the inside fretwork of upper and lower valve rod is and communicates with butterfly plate inner chamber, but the butterfly plate is out of shape easily and damage under the high pressure of medium, and the life of butterfly plate is short.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a stable in structure just has the high temperature regulation butterfly valve of cooling effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high temperature regulation butterfly valve, includes the valve body, is located the butterfly plate in the valve body, is located last valve rod and the lower valve rod of butterfly plate upper and lower side respectively, go up valve rod and the inside runner of all having seted up of lower valve rod, the both ends of runner are located the valve body respectively inside and outside, all be provided with the diversion pipe that a plurality of roots just are used for the runner between valve rod and lower valve rod to communicate each other with the laminating of butterfly plate on two terminal surfaces of butterfly plate.

As a further improvement, the two end faces of the butterfly plate are provided with protruding disks with thermal conductivity superior to that of the butterfly plate, and the protruding disks are provided with pipe grooves for accommodating the water diversion pipes.

As a further improvement of the utility model, two the end faces of the convex discs which are not connected with the butterfly plate are all convex towards the outer side of the butterfly plate and are arc-surface-shaped.

As a further improvement, still be provided with the interface of intaking and the interface of going out of rather than the inner chamber intercommunication on the valve body outer wall, interface of intaking, interface of going out of water and butterfly plate all are located same circumference, the port contour dimension that interface of intaking and interface of going out of water both are located on the valve body inner wall is less than the thickness of butterfly plate, interface of intaking and the both sides that go out the water interface and be located lower valve rod respectively.

As a further improvement, the utility model also comprises an overflow pipe which is communicated with the water inlet and the water outlet, and an overflow valve communicated with the overflow pipe is arranged in the water outlet.

The utility model has the advantages that: the design that the diversion pipes for heat conduction are arranged on the outer sides of the butterfly plates is compared with the design that cavities are formed in the butterfly plates in the prior art, so that the structural strength of the butterfly plates can be ensured, and the phenomenon that the butterfly plates are deformed and damaged is avoided; the two end faces of the butterfly plate are provided with the convex discs, the convex discs are provided with pipe grooves for the water guide pipes 6 to be arranged in, and the design of the convex discs can guide away heat on the butterfly plate, so that the time that the butterfly plate is at high temperature for a long time is further reduced, and the service life of the butterfly plate is prolonged; compared with the design that the water conduit stands on the end face of the butterfly plate in a protruding way, the design of the pipe groove on the convex disc can avoid the phenomenon that the water conduit bends or breaks away from the butterfly plate under the impact of a medium when the valve body is opened, indirectly improve the connection stability of the water conduit on the butterfly plate, and ensure that the installation operation of the water conduit clamp connected into the pipe groove is simple and convenient.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of the present invention, which adopts a mode of intersection of a plurality of water conduits on one side of the butterfly plate;

FIG. 3 is a schematic view of the butterfly plate of the present invention when a water conduit is used on one side of the butterfly plate;

fig. 4 is an enlarged view of a point a in fig. 2.

Reference numerals: 1. a valve body; 2. a butterfly plate; 3. an upper valve stem; 4. a lower valve stem; 5. a flow channel; 6. a water conduit; 7. a convex disc; 8. a pipe groove; 9. a water inlet interface; 10. a water outlet interface; 11. an overflow pipe; 12. an overflow valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals.

Referring to fig. 1 to 4, the high-temperature regulating butterfly valve of the embodiment includes a valve body 1, a butterfly plate 2 located in the valve body 1, and an upper valve rod 3 and a lower valve rod 4 located above and below the butterfly plate 2, respectively, a flow channel 5 is formed inside each of the upper valve rod 3 and the lower valve rod 4, each of the upper valve rod 3 and the lower valve rod 4 is externally connected with a pipeline, and two ends of each of the flow channels 5 are located inside and outside the valve body 1, respectively;

based on the prior art, the peripheral walls of the upper valve rod 3 and the lower valve rod 4 positioned in the valve body 1 are both provided with two threaded holes communicated with the flow passage 5, the two end faces of the butterfly plate 2 are respectively provided with a convex disc 7 with heat conductivity superior to that of the butterfly plate 2, the convex discs 7 are coaxially arranged with the butterfly plate 2, the diameter of each convex disc 7 is smaller than that of the butterfly plate 2, the heat conductivity of the water conduit 6 is superior to that of the convex discs 7, a plurality of pipe grooves 8 parallel to the rotation center line of the butterfly plate 2 are respectively arranged on the two convex discs 7, the width of each pipe groove 8 is slightly smaller than the diameter of the water conduit 6, as shown in specific reference figure 3, the butterfly plate 2 can be provided with a water conduit 6 on each of the two end faces, the two ends of the water conduit 6 are fixedly connected with threaded joints, the water conduit 6 is bent for multiple times so that the water conduit 6 is clamped with the plurality of pipe grooves 8, and the threaded joints on the two ends of the water conduit 6 are respectively in threaded connection with threaded holes of the upper valve rod 3 and the lower valve rod 4; specifically, as shown in fig. 2, a plurality of water conduits 6 corresponding to the plurality of pipe slots 8 one to one may also be disposed on both end surfaces of the butterfly plate 2, both ends of the plurality of water conduits 6 are respectively intersected on a threaded joint, the plurality of water conduits 6 are respectively clamped into the plurality of pipe slots 8, and the two threaded joints are respectively in threaded connection with the upper valve rod 3 and the lower valve rod 4, so that the upper valve rod 3 and the lower valve rod 4 are communicated, the number of the water conduits 6 on each side of the butterfly plate 2 is determined according to actual production requirements, in use, water is injected into the lower valve rod 3 through a pipeline, the water flows through the lower valve rod 4, the water conduits 6 on both sides of the butterfly plate 2, the upper valve rod 3 and a pipeline externally connected with the upper valve rod 3, heat of a medium in the valve body 1 and heat on the butterfly plate 2 are guided to the convex disc 7 and the water conduits 6, and the water in the water conduits 6 take heat on the water conduits 6 away, thereby reducing the heat on the butterfly plate 2, and reducing the heat on the butterfly plate 2, Heat of upper stem 3 and lower stem 4;

compared with the design of arranging the heat-conducting water conduit 6 at the outer side of the butterfly plate 2 in the prior art, the design of arranging the cavity inside the butterfly plate 2 can ensure the structural strength of the butterfly plate 2 and avoid the phenomenon that the butterfly plate 2 is deformed and damaged; the design of the convex disc 7 can guide away heat on the butterfly plate 2, further reduce the time that the butterfly plate 2 is in high temperature for a long time, and delay the service life of the butterfly plate 2; compared with the design that the water conduit 6 stands on the end surface of the butterfly plate 2 in a projecting manner, the design of the pipe groove 8 on the convex disc 7 can avoid the phenomenon that the water conduit 6 is bent or separated from the butterfly plate 2 under the impact of a medium when the valve body 1 is opened, indirectly improves the connection stability of the water conduit 6 on the butterfly plate 2, and is simple and convenient to install and operate when the water conduit 6 is clamped into the pipe groove 8;

further optimization, referring to fig. 1 to 3, the end surfaces of the two convex discs 7, which are not connected with the butterfly plate 2, are both convex towards the outside of the butterfly plate 2 and are arc-surface-shaped, so that when the valve body 1 is opened, the arc surfaces of the convex discs 7 can guide the flow direction of a medium in the valve body 1; when the valve body 1 is closed, the arc surface of the convex disc 7 can disperse the force impacting the butterfly plate 2, and the deformation degree of the butterfly plate 2 is reduced.

As an improved specific embodiment, referring to fig. 2 to 4, when the medium in the valve body 1 is in a circulating state, the height of the medium in the valve body 1 is low, and the high-temperature medium always flows through the portion where the butterfly plate 2 is connected with the lower valve rod 4, so that the heat dissipation speed of the local temperature of the butterfly plate 2 is slow, which easily causes the butterfly plate 2 to be damaged by uneven heating, in order to solve the above-mentioned problems, a water inlet port 9 and a water outlet port 10 which are communicated with the inner cavity of the valve body 1 are further provided on the outer wall of the valve body 1, the water inlet port 9, the water outlet port 10 and the butterfly plate 2 are all located on the same circumference, the contour size of the ports of the water inlet port 9 and the water outlet port 10 which are located on the inner wall of the valve body 1 is smaller than the thickness of the butterfly plate 2, the water inlet port 9 and the water outlet port 10 are respectively located on both sides of the lower valve rod 4, and an overflow pipe 11 which communicates the water inlet port 9 and the water outlet port 10 is further included, the water inlet port 9 adopts a one-way valve, the water outlet port 10 adopts a composite port consisting of a common joint and an overflow valve 12, the overflow valve 12 is connected with an overflow pipe 11, when the valve body 1 is in an open state, water or low-temperature medium is injected into the valve body 1 from the water inlet port 9 to cool the medium flowing in the valve body 1, part of high-temperature medium in the valve body 1 flows out of the water outlet port 10 to the outside and is cooled, and the cooled medium is sent back into the valve body 1 through the water inlet port 9, so that the local heat accumulation of the butterfly plate 2 can be slowed down, and the service life of the butterfly plate 2 can be prolonged; when valve body 1 is in the closure state, butterfly plate 2 has sheltered from into water interface 9 and has gone out water interface 10, if the external water pump of interface 9 of intaking did not in time close this moment, then continue to make the hydraulic pressure in overflow pipe 11 uprise toward the liquid that interface 9 flows of intaking, until overflow valve 12 is started, then liquid in overflow pipe 11 flows to the external world through overflow valve 12 and play water interface 10 successively, so design can improve the utility model discloses a security.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides a high temperature control butterfly valve, includes valve body (1), is located butterfly plate (2) of valve body (1), is located last valve rod (3) and lower valve rod (4) of butterfly plate (2) upper and lower side respectively, upward inside runner (5) have all been seted up in valve rod (3) and lower valve rod (4), the both ends of runner (5) are located valve body (1) inside and outside, its characterized in that respectively: and a plurality of water diversion pipes (6) which are attached to the butterfly plate (2) and used for communicating the runners (5) of the upper valve rod (3) and the lower valve rod (4) with each other are arranged on the two end faces of the butterfly plate (2).

2. A high temperature regulating butterfly valve according to claim 1, characterised in that: protruding disks (7) with heat conductivity superior to that of the butterfly plate (2) are arranged on two end faces of the butterfly plate (2), and pipe grooves (8) for accommodating the water guide pipes (6) are formed in the two protruding disks (7).

3. A high temperature regulating butterfly valve according to claim 2, characterised in that: the end surfaces of the two convex discs (7) which are not connected with the butterfly plate (2) are convex towards the outside of the butterfly plate (2) and are arc-surface-shaped.

4. A high temperature regulating butterfly valve according to claim 1, 2 or 3, characterised in that: still be provided with on valve body (1) outer wall rather than water inlet (9) and play water inlet (10) of inner chamber intercommunication, water inlet (9), play water inlet (10) and butterfly plate (2) all are located same circumference, water inlet (9) and play water inlet (10) both are located the thickness that port profile size on valve body (1) inner wall is less than butterfly plate (2), water inlet (9) and play water inlet (10) are located the both sides of lower valve rod (4) respectively.

5. A high temperature regulating butterfly valve according to claim 4, characterised in that: the water inlet connector (9) is communicated with the water outlet connector (10) through an overflow pipe (11), and an overflow valve (12) communicated with the overflow pipe (11) is arranged in the water outlet connector (10).

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