CN216951769U

CN216951769U - Explosion-proof valve ball for petrochemical industry

Info

Publication number: CN216951769U
Application number: CN202220775562.3U
Authority: CN
Inventors: 周健; 郑文进; 胡忠利
Original assignee: Yongjia Tongqiu Valve Co ltd
Current assignee: Yongjia Tongqiu Valve Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-12
Anticipated expiration: 2032-04-01

Abstract

The utility model provides an explosion-proof valve ball for petrochemical industry, which belongs to the technical field of valves and comprises a ball body, wherein a medium channel is arranged in the ball body, internal thread sections are arranged at two ports of the medium channel, filtering components are arranged on the two internal thread sections, each filtering component comprises a bracket matched with the internal thread section, a filter screen is arranged in each bracket, a bushing is arranged between the two internal thread sections, the bushing is tightly attached to the inner wall of the medium channel, and two sides of the bushing are abutted to the brackets; according to the utility model, the filtering components are arranged at the two ports of the medium channel and are connected with the sphere body through thread matching, so that the medium channel in the sphere is protected from being corroded or abraded, and the sphere is convenient to disassemble and assemble; meanwhile, the middle of the medium channel is provided with a lining, and two sides of the lining are abutted against the filtering component to fix the filtering component on the inner wall of the medium channel, so that the protection of the medium channel in the sphere is further improved.

Description

Explosion-proof valve ball for petrochemical industry

Technical Field

The utility model relates to the technical field of valves, in particular to an explosion-proof valve ball for petrochemical industry.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. The valve can be divided into a ball valve, a butterfly valve, a cone valve and the like according to different shapes of valve cores in the valve. The opening and closing part of the ball valve is a ball body, is driven by the valve rod and rotates around the axis of the valve rod. It is mainly used for cutting off or connecting medium in pipeline, and also can be used for regulating and controlling fluid. The ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy.

When the ball valve is used in the petrochemical industry field, because the medium of carrying contains more impurity, corrodes or wearing and tearing to the medium passageway in the spheroid easily, makes spheroidal leakproofness decline for a long time easily to the emergence is leaked, and the spheroid structure that is equipped with filter equipment among the prior art is complicated and the dismouting is inconvenient, lacks the protection to spheroid medium passageway simultaneously, is corroded easily or is worn and torn.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an explosion-proof valve ball for petrochemical industry, which has a filtering function and can protect a medium passage.

The technical scheme adopted by the utility model is as follows: explosion-proof type valve spheroid for petrochemical industry, including the spheroid body, this internal medium passageway that is equipped with of spheroid, medium passageway both ends port department all is equipped with internal thread section, all is equipped with filtering component on the internal thread section of two places, filtering component include with internal thread section complex support, be equipped with the filter screen in the support, be equipped with the bush between the internal thread section of two places, the bush is hugged closely medium passageway inner wall and both sides all with the support offsets, the bush offsets terminal surface one with the support and is equipped with annular groove, and the other party is equipped with annular convex block.

The bracket has the same diameter as the inner wall of the bushing.

And a rotating frame parallel to the filter screen is arranged in the support and is positioned between the filter screen and the medium channel port.

The top of the sphere body is provided with a valve rod matching groove.

The valve rod matching groove is a square groove, and the bottom of the valve rod matching groove is arc-shaped.

The edges of two ports of the medium channel are in smooth transition along the surface of the sphere body, and two ports of the medium channel are provided with end faces which are parallel to each other.

The sphere body is provided with a sealing surface.

The sealing surface is a coating formed by surfacing, flame spray welding or supersonic spraying.

The porosity of the supersonic spraying is less than or equal to 1 percent.

The coating is nickel-based alloy and is ground to Ra0.2 after being sprayed.

The utility model has the following beneficial effects: according to the utility model, the filtering components are arranged at the two ports of the medium channel and are connected with the sphere body through thread matching, so that the medium channel in the sphere is protected from being corroded or abraded, and the sphere is convenient to disassemble and assemble; meanwhile, the middle of the medium channel is provided with a lining sleeve, two sides of the lining sleeve are abutted against the filtering component to fix the lining sleeve on the inner wall of the medium channel, the medium channel inside the sphere is further protected, meanwhile, the abutting end face of the lining sleeve and the filtering component is provided with an annular groove which is matched and fixed with an annular convex block, so that the lining sleeve and the filtering component on two sides are combined into a whole, and the inner wall of the lining sleeve and the filtering component on two sides are smooth channels for medium circulation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a schematic view of the liner and filter assembly of the present invention;

FIG. 6 is a schematic view of a sphere body of the present invention;

FIG. 7 is a cross-sectional view of a ball body of the present invention;

in the figure, 1-sphere body, 2-medium channel, 3-filter component, 4-bracket, 5-filter screen, 6-rotating frame, 7-bushing, 8-annular groove, 9-annular lug, 10-valve rod matching groove, 11-sealing surface, 21-internal thread section and 22-end surface.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, which are not described in any more detail in the following embodiments.

The terms of direction and position of the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the present invention.

As shown in fig. 1 to 7, an embodiment of the present invention is provided:

explosion-proof valve spheroid for petrochemical industry, including spheroid body 1, be equipped with medium passageway 2 in the spheroid body 1, medium passageway 2 both ends department all is equipped with internal thread section 21, all is equipped with filtering component 3 on two said internal thread sections 21, and the inside medium passageway 2 of protection spheroid is not corroded or is worn and torn, filtering component 3 includes support 4 with internal thread section 21 complex, is equipped with the external screw thread at support 4 periphery wall promptly, be equipped with filter screen 5 in the support 4, block up after filter screen 5 uses for a long time, only need to unscrew support 4 and clear up, easy dismounting; a bushing 7 is arranged between the two internal thread sections 21, the bushing 7 is tightly attached to the inner wall of the medium channel 2, and two sides of the bushing 7 are respectively abutted against the support 4, so that the bushing 7 can effectively protect the medium channel 2, isolate a medium from a sphere, prevent the medium channel 2 from being corroded or worn, and effectively prolong the service life of the sphere; the bush 7 is pressed against the filter component 3 by two sides and is fixed on the inner wall of the medium channel 2, so that the disassembly and the assembly are convenient, and the replacement or the cleaning is more convenient; during installation, the bush 7 is firstly plugged into the position between the two internal thread sections 21 in the medium channel 2, and then the filter components 3 on the two sides are screwed into the medium channel 2 and locked with the internal thread sections 21; when the filter assembly is disassembled, the filter assembly 3 on one side or two sides is screwed out, and then the lining 7 is taken out.

Furthermore, an annular groove 8 is formed in one end face of the bush 7, which abuts against the support 4, and an annular protrusion 9 is formed in the other end face of the bush 7, in this embodiment, the annular groove 8 is formed in the bush 7, the annular protrusion 9 is formed in the support 4, and the diameters of the inner walls of the support 4 and the bush 7 are the same; the bush 7 and the filter components 3 on the two sides are combined into a whole, and the inner wall forms a smooth channel for medium circulation.

The support 4 is internally provided with a rotating frame 6 parallel to the filter screen 5 and positioned between the filter screen 5 and the port of the medium channel 2, the rotating frame 6 is a plurality of cross rods arranged in the support 4, can be held in the dismounting and mounting filter assembly 3, and can also divide some larger impurities into sections firstly through impact.

1 top of spheroid body is equipped with valve rod cooperation groove 10, valve rod cooperation groove 10 is square groove and the bottom is the arc, can make valve rod spheroid integrated into one piece with the valve rod welding, reduces the offset when the spheroid is rotatory.

The edges of two ports of the medium channel 2 are in smooth transition along the surface of the sphere body 1, and the two ports of the medium channel 2 are provided with end faces 21 which are parallel to each other, so that when the sphere is sealed with the valve seat, the abrasion caused by the contact of the sphere and the valve seat under the medium pressure is reduced.

The sphere body 1 is provided with a sealing surface 11; the sealing surface 11 is a coating formed by overlaying welding, flame spray welding or supersonic spraying, and when the supersonic spraying is adopted, the porosity is less than or equal to 1%.

The coating can be made of nickel-based alloy, is ground to Ra0.2-1.6, preferably Ra0.2 after being sprayed, and ensures that the sealing surface 11 and the valve seats on two sides can meet zero leakage in any direction.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.

Claims

1. Explosion-proof valve spheroid for petrochemical industry, including spheroid body (1), be equipped with medium passageway (2) in spheroid body (1), its characterized in that, medium passageway (2) both ends port department all is equipped with internal thread section (21), all is equipped with filtering component (3) on two said internal thread section (21), filtering component (3) include with internal thread section (21) complex support (4), be equipped with filter screen (5) in support (4), two are equipped with bush (7) between said internal thread section (21), bush (7) are hugged closely medium passageway (2) inner wall and both sides all with support (4) offset, bush (7) are equipped with annular groove (8) with support (4) offset terminal surface one side, and the other side is equipped with annular convex block (9).

2. Explosion proof valve sphere for petrochemical use according to claim 1, characterized in that the bracket (4) is the same diameter as the inner wall of the bushing (7).

3. The explosion-proof valve ball for petrochemical industry of claim 1, wherein the support (4) is provided with a rotating frame (6) parallel to the filter screen (5) and located between the filter screen (5) and the port of the medium channel (2).

4. Explosion-proof valve ball for petrochemical industry according to claim 1, characterized in that the top of the ball body (1) is provided with a valve rod matching groove (10).

5. The explosion-proof valve ball for petrochemical industry as claimed in claim 4, wherein the valve rod fitting groove (10) is a square groove and the bottom is arc-shaped.

6. The explosion-proof valve ball for petrochemical industry as claimed in claim 1, wherein the two end edges of the medium channel (2) are smoothly transited along the surface of the ball body (1), and the two end edges of the medium channel (2) are provided with end surfaces (22) parallel to each other.

7. Explosion-proof valve ball for petrochemical use according to claim 1, characterized in that the ball body (1) is provided with a sealing surface (11).

8. Explosion proof valve ball for petrochemical use according to claim 7, characterized in that the sealing surface (11) is a coating formed by build-up welding, flame spray welding or supersonic spraying.

9. The explosion proof petrochemical valve sphere according to claim 8, wherein the porosity of the supersonic spray is less than or equal to 1%.

10. The explosion-proof valve ball for petrochemical use according to claim 8, wherein the coating is a nickel-based alloy and is sprayed and then ground to Ra0.2.