High-temperature-resistant ball valve

Abstract

The utility model discloses a high-temperature-resistant ball valve which comprises a main valve body and an auxiliary valve body. A cavity used for containing the valve ball is defined by the main valve body and the auxiliary valve body. A through hole is reversely formed in the valve ball in the axial direction, a first channel matched with the through hole to form medium circulation is formed in the main valve body, and a second channel matched with the through hole to form medium circulation is formed in the auxiliary valve body. A heat dissipation plate is arranged between the main valve body and the auxiliary valve body, and the main valve body, the auxiliary valve body and the heat dissipation plate are connected through a plurality of first bolts and first nuts; and a plurality of radiating fins which are distributed in an array are arranged on one side of the radiating plate. The heat dissipation plate is arranged between the main valve body and the auxiliary valve body and matched with the heat dissipation fins distributed in an array mode, so that the heat dissipation area is greatly increased, dissipation of heat conducted to the valve bodies by high-temperature media is accelerated, the temperature of the valve bodies is reduced, the stability of the ball valve in the high-temperature environment is improved, and the service life of the ball valve in the high-temperature environment is prolonged. And material performance reduction or sealing failure caused by overheating is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve technical field, concretely relates to a high temperature resistant ball valve. BACKGROUND

[0002] In the industrial fields such as petroleum, chemical industry, electric power, ball valve is as the key component of control high temperature medium (such as steam, high temperature liquid etc.), needs to bear the test of high temperature, high pressure environment for a long time. The heat dissipation performance of traditional ball valve is insufficient, under high temperature working condition, the heat of high temperature medium is difficult to dissipate quickly to the valve body, easily leading to the thermal deformation or fatigue failure of valve body material due to overheating, and high temperature can accelerate the aging of sealing element, and cause medium leakage risk.

[0003] Based on the above situation, the utility model provides a high temperature resistant ball valve, which can effectively solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model provides a high temperature resistant ball valve in view of the condition of prior art, overcomes above-mentioned defects.

[0005] The utility model discloses a technical scheme as follows:

[0006] A high temperature resistant ball valve, comprising a main valve body and a secondary valve body, the main valve body and the secondary valve body form a cavity for accommodating a valve ball, the valve ball is reversely provided with a through hole along the axial direction, the inside of the main valve body is provided with a first channel cooperating with the through hole to form a medium flow, and the inside of the secondary valve body is provided with a second channel cooperating with the through hole to form a medium flow, a heat dissipation plate is arranged between the main valve body and the secondary valve body, the main valve body, the secondary valve body and the heat dissipation plate are connected through a plurality of first bolts and first nuts, and a plurality of arrayed heat dissipation fins are arranged on one side of the heat dissipation plate.

[0007] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, the top of the main valve body is fixedly connected with a valve cover through a plurality of second bolts and second nuts.

[0008] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, the top of the valve ball is fixedly connected with a valve rod, and a packing, a metal ring and a sealing sleeve are sequentially arranged between the valve rod and the main valve body from bottom to top.

[0009] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, the top end of the valve rod penetrates through the valve cover and is fixedly connected with a rotating handle.

[0010] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, the outer ends of the main valve body and the secondary valve body are provided with connecting flanges.

[0011] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0012] The utility model provides a kind of high temperature resistant ball valve, heat dissipation plate is set between main valve body and vice valve body, cooperate array distribution's heat dissipation fin, substantially increase the heat dissipation area, accelerate high temperature medium conduction to the heat emission of valve body, reduce valve body temperature, improve the stability and service life of ball valve in high temperature environment, avoid the material performance decline or sealing failure due to overheating. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole structure schematic diagram of the utility model;

[0014] Figure 2 It is sectional view schematic diagram of the utility model. DETAILED DESCRIPTION

[0015] In order to make those skilled in the art better understand the technical scheme of the utility model, the preferred implementation scheme of the utility model is described below in combination with specific embodiments, but it should be understood that the drawings are only used for illustrative description, and cannot be understood as the limitation of the patent; in order to better illustrate the embodiment, some components in the drawings can be omitted, enlarged or reduced, and do not represent the size of actual product; for those skilled in the art, it is understandable that some well-known structures in the drawings and their description can be omitted. The positional relationship described in the drawings is only used for illustrative description, and cannot be understood as the limitation of the patent.

[0016] A kind of high temperature resistant ball valve, including main valve body 1 and vice valve body 2;The main valve body 1 and vice valve body 2 are enclosed to form the cavity 4 for accommodating valve ball 3;The valve ball 3 is reversely opened with through hole 301 along the axial direction, the inside of the main valve body 1 is opened with first channel 101 that cooperates with through hole 301 and forms the first passage of medium, the inside of the vice valve body 2 is opened with second channel 201 that cooperates with through hole 301 and forms the second passage of medium;Heat dissipation plate 5 is arranged between the main valve body 1 and vice valve body 2, the main valve body 1, vice valve body 2 and heat dissipation plate 5 are connected by multiple first bolt 6 and first nut 7;One side of the heat dissipation plate 5 is provided with multiple array distribution's heat dissipation fin 501.

[0017] The utility model discloses a kind of high temperature resistant ball valve, heat dissipation plate 5 is set between main valve body 1 and vice valve body 2, cooperate array distribution's heat dissipation fin 501, substantially increase the heat dissipation area, accelerate high temperature medium conduction to the heat emission of valve body, reduce valve body temperature, improve the stability and service life of ball valve in high temperature environment, avoid the material performance decline or sealing failure due to overheating.

[0018] Further, in another embodiment, the top of the main valve body 1 is fixedly connected with a valve cover 10 by a plurality of second bolts 8 and second nuts 9.

[0019] Further, in another embodiment, a valve stem 11 is fixedly connected to the top of the valve ball 3, and a packing 12, a metal ring 13 and a sealing sleeve 14 are sequentially arranged between the valve stem 11 and the main valve body 1 from bottom to top.

[0020] Further, in another embodiment, a rotating handle 15 is fixedly connected to the top end of the valve stem 11 and penetrates the valve cover 10.

[0021] Further, in another embodiment, a connecting flange 102 is arranged at the outer end of the main valve body 1 and the auxiliary valve body 2.

[0022] By arranging the connecting flange 102 at the outer end of the main valve body 1 and the auxiliary valve body 2, the main valve body 1 and the auxiliary valve body 2 can be quickly connected with other components such as pipelines and equipment through bolts.

[0023] According to the description and the drawings of the present application, a person skilled in the art can easily manufacture or use the high-temperature-resistant ball valve, and the positive effects described in the present application can be achieved.

[0024] Unless otherwise specified and limited, in the present application, the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the present application and simplifying the description, and therefore the terms indicating the orientation or positional relationship in the present application should not be understood as indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms indicating the orientation or positional relationship in the present application are only used for exemplary description and should not be understood as limiting the present patent. For a person skilled in the art, the specific meanings of the above terms can be understood in combination with the drawings and according to the specific circumstances.

[0025] Unless otherwise specified and limited, in the present application, the terms "arranged", "connected" and "connected" should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium; can be connected inside two elements. For a person skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0026] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification or equivalent change made according to the technical essence of the present application to the above embodiment falls within the protection scope of the present application.

Claims

1. A high temperature resistant ball valve, characterized by: The utility model relates to a valve, including main valve body (1) and vice valve body (2), main valve body (1) and vice valve body (2) enclose the cavity (4) for accommodating valve ball (3), the valve ball (3) is opened with through -hole (301) along axial reverse, the inside of main valve body (1) is opened with first channel (101) with through -hole (301) cooperation forms medium flow, the inside of vice valve body (2) is opened with second channel (201) with through -hole (301) cooperation forms medium flow, the heat dissipation plate (5) is arranged between main valve body (1) and vice valve body (2), and the main valve body (1), vice valve body (2) and heat dissipation plate (5) are connected through a plurality of first bolt (6) and first nut (7), one side of heat dissipation plate (5) is provided with a plurality of array distribution's radiating fin (501).

2. A high temperature resistant ball valve according to claim 1, characterized in that: The top of main valve body (1) is fixedly connected with valve cover (10) through a plurality of second bolt (8) and second nut (9).

3. A high temperature resistant ball valve according to claim 1, characterized in that: The top of valve ball (3) is fixedly connected with valve rod (11), and filler (12), metal ring (13) and sealing sleeve (14) are sequentially arranged from bottom to top between valve rod (11) and main valve body (1).

4. A high temperature resistant ball valve according to claim 3, characterized in that: The top end of valve rod (11) penetrates valve cover (10) and is fixedly connected with rotating handle (15).

5. A high temperature resistant ball valve according to claim 1, characterized in that: The outer end of main valve body (1) and vice valve body (2) is provided with connecting flange (102).

Images