CN212839514U - Wear-resistant industrial ball valve with core - Google Patents
Wear-resistant industrial ball valve with core Download PDFInfo
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- CN212839514U CN212839514U CN202021799287.6U CN202021799287U CN212839514U CN 212839514 U CN212839514 U CN 212839514U CN 202021799287 U CN202021799287 U CN 202021799287U CN 212839514 U CN212839514 U CN 212839514U
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Abstract
The utility model discloses a wear-resisting nuclear industry ball valve belongs to ball valve technical field. The wear-resistant nuclear industrial ball valve comprises a front valve body, a rear valve body, a stuffing box, a valve rod, a ball body and a ball seat; the stuffing box is vertically and fixedly connected above the joint of the front valve body and the rear valve body; the PEEK wear-resistant layer is attached to the inner surface of the ball seat and is embedded in the front valve body and the rear valve body; the ball body is positioned in the ball seat and is rotationally connected with the ball seat; the valve rod penetrates through the stuffing box and is fixedly connected with the ball body; the contact surface of the valve rod and the stuffing box is in sealing connection by using sealing stuffing; and a first anti-static mechanism and a second anti-static mechanism are vertically arranged in the valve rod. This wear-resisting nuclear industry ball valve passes through ball seat and spheroid contact, when improving the wearability, the ball seat still has stronger corrosion resisting capability, when opening and close the fluid that has corrosivity, can improve the life of ball valve.
Description
Technical Field
The utility model relates to a ball valve technical field, in particular to wear-resisting nuclear industry ball valve.
Background
Ball valves (ball valve) come out in 50 s of the 20 th century, and with the rapid development of science and technology and the continuous improvement of production process and product structure, the ball valves have rapidly developed into a main valve class in short 40 years. The use of ball valves is increasing year by year in countries with industrially developed western industries.
In China, 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. It has the action of rotating 90 degrees, the cock body is a sphere, and a circular through hole or a channel passes through the axis of the cock body.
The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment.
In the nuclear industry, ball valves are also installed on various pipelines in large quantities, and because fluids used in the nuclear industry have certain corrosiveness, a common ball valve is easy to corrode a ball seat and a ball body during the use process, so that the fluids are leaked.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wear-resisting nuclear industry ball valve to solve ordinary ball valve ball seat and spheroid when opening and close the fluid that has corrosivity and be corroded easily, lead to the problem of fluid leakage.
In order to solve the technical problem, the utility model provides a wear-resistant nuclear industrial ball valve, which comprises a front valve body, a rear valve body, a stuffing box, a valve rod, a ball body and a ball seat;
the joint of the front valve body and the rear valve body is fixedly connected through a bolt, and communicated flow passages are axially formed;
the stuffing box is vertically and fixedly connected above the joint of the front valve body and the rear valve body and is communicated with the flow channel;
the PEEK wear-resistant layer is attached to the inner surface of the ball seat and is embedded in the front valve body and the rear valve body;
the ball body is positioned in the ball seat and is rotationally connected with the ball seat, an opening and closing groove vertically penetrates through the ball body, and the opening and closing groove is communicated with the flow channel;
the valve rod penetrates through the stuffing box and is fixedly connected with the ball body;
the contact surface of the valve rod and the stuffing box is in sealing connection by using sealing stuffing;
and a first anti-static mechanism and a second anti-static mechanism are vertically arranged in the valve rod, and the first anti-static mechanism and the second anti-static mechanism are respectively contacted with the ball body and the stuffing box.
Optionally, an inlet connecting groove is formed in the opening of the front valve body and is used for connecting a liquid inlet pipe; the inlet connecting groove is gradually reduced in diameter from the opening to the inner side.
Optionally, a first sealing ring is embedded in the front valve body at the tail end of the inlet connecting groove.
Optionally, an outlet connecting groove is formed in the opening of the rear valve body and used for being connected with a liquid outlet pipe; the outlet connecting groove is gradually reduced in diameter from the opening to the inner side.
Optionally, a second sealing ring is embedded in the rear valve body at the tail end of the outlet connecting groove.
Optionally, a boss is arranged on the valve rod and clamped with the stuffing box.
Optionally, the first anti-static mechanism and the second anti-static mechanism are respectively located on two sides of the boss.
Optionally, the first anti-static mechanism and the second anti-static mechanism are both composed of a spring and a static ball, and static electricity of the ball body and the valve rod is led out through the stuffing box through the static ball.
The utility model provides a wear-resistant industrial ball valve with a core, which comprises a front valve body, a rear valve body, a stuffing box, a valve rod, a ball body and a ball seat; the joint of the front valve body and the rear valve body is fixedly connected through a bolt, and communicated flow passages are axially formed; the stuffing box is vertically and fixedly connected above the joint of the front valve body and the rear valve body and is communicated with the flow channel; the PEEK wear-resistant layer is attached to the inner surface of the ball seat and is embedded in the front valve body and the rear valve body; the ball body is positioned in the ball seat and is rotationally connected with the ball seat, an opening and closing groove vertically penetrates through the ball body, and the opening and closing groove is communicated with the flow channel; the valve rod penetrates through the stuffing box and is fixedly connected with the ball body; the contact surface of the valve rod and the stuffing box is in sealing connection by using sealing stuffing; and a first anti-static mechanism and a second anti-static mechanism are vertically arranged in the valve rod, and the first anti-static mechanism and the second anti-static mechanism are respectively contacted with the ball body and the stuffing box. This wear-resisting nuclear industry ball valve passes through ball seat and spheroid contact, when improving the wearability, the ball seat still has stronger corrosion resisting capability, when opening and close the fluid that has corrosivity, can improve the life of ball valve.
Drawings
FIG. 1 is an overall cross-sectional view of a wear-resistant nuclear industrial ball valve provided by the present invention;
fig. 2 is the utility model provides a structural schematic of wear-resisting nuclear industry ball valve rod.
Detailed Description
The following provides a further detailed description of the wear-resistant industrial ball valve with a core according to the present invention with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Example one
The utility model provides a wear-resistant nuclear industrial ball valve, the structure of which is shown in figure 1 and comprises a front valve body 1, a rear valve body 2, a stuffing box 3, a valve rod 4, a ball body 5 and a ball seat 6; the joint of the front valve body 1 and the rear valve body 2 is fixedly connected through a bolt 7, and communicated flow passages are axially formed; the stuffing box 3 is vertically and fixedly connected above the joint of the front valve body 1 and the rear valve body 2 and is communicated with the flow channel; a PEEK (polyether ether ketone) wear-resistant layer is attached to the inner surface of the ball seat 6 and is embedded in the front valve body 1 and the rear valve body 2, one half of the ball seat 6 is positioned in the front valve body 1, and the other half of the ball seat 6 is positioned in the rear valve body 2; the ball body 5 is positioned in the ball seat 6 and is rotationally connected with the ball seat 6, an opening and closing groove vertically penetrates through the ball body 5, the opening and closing groove is communicated with the flow channel when the ball body is opened, and the opening and closing groove is rotated by ninety degrees by rotating the ball body 5 when the ball body is closed so as to be cut off and connected with the flow channel; the valve rod 4 penetrates through the stuffing box 3 and is fixedly connected with the ball 5, and the valve rod 4 is rotatably connected with the stuffing box 3; the contact surface of the valve rod 4 and the stuffing box 3 is connected in a sealing way by using a sealing stuffing 8, so that the fluid is prevented from leaking from a gap; a first anti-static mechanism 9 and a second anti-static mechanism 10 are vertically arranged in the valve rod 4, and the first anti-static mechanism 9 and the second anti-static mechanism 10 are respectively contacted with the ball body 5 and the stuffing box 3.
Further, please continue to refer to fig. 1, an inlet connecting groove 11 is arranged at an opening of the front valve body 1 and is used for connecting a liquid inlet pipe; the diameter of the inlet connecting groove 11 is gradually reduced from the opening to the inner diameter, a first sealing ring 13 is embedded in the front valve body 1 at the tail end of the inlet connecting groove 11, and when a liquid inlet pipe is connected with the inlet connecting groove 11, the first sealing ring 13 and the conical inlet connecting groove 11 can play a role of leakage prevention; an outlet connecting groove 12 is formed in the opening of the rear valve body 2 and is used for being connected with a liquid outlet pipe; the outlet connecting groove 12 is gradually reduced from the opening to the inner diameter, a second sealing ring 14 is embedded in the rear valve body 2 at the tail end of the outlet connecting groove 12, and the second sealing ring 14 and the conical outlet connecting groove 12 can play a role in leakage prevention.
Specifically, as shown in fig. 1 and 2, a boss 41 is arranged on the valve rod 4 and is clamped with the stuffing box 3; the first anti-static mechanism 9 and the second anti-static mechanism 10 are respectively positioned at two sides of the boss 41; the first anti-static mechanism 9 and the second anti-static mechanism 10 are both composed of a spring and an electrostatic ball, and static electricity of the ball body 5 and the valve rod 4 is led out through the stuffing box 3 through the electrostatic ball.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (8)
1. A wear-resistant industrial ball valve is characterized by comprising a front valve body (1), a rear valve body (2), a stuffing box (3), a valve rod (4), a ball body (5) and a ball seat (6);
the joint of the front valve body (1) and the rear valve body (2) is fixedly connected through a bolt (7), and communicated flow passages are axially formed;
the stuffing box (3) is vertically and fixedly connected above the joint of the front valve body (1) and the rear valve body (2) and is communicated with the flow channel;
the PEEK wear-resistant layer is attached to the inner surface of the ball seat (6) and is embedded in the front valve body (1) and the rear valve body (2);
the ball body (5) is positioned in the ball seat (6) and is rotationally connected with the ball seat (6), an opening and closing groove vertically penetrates through the ball body (5), and the opening and closing groove is communicated with the flow channel;
the valve rod (4) penetrates through the stuffing box (3) and is fixedly connected with the ball body (5);
the contact surface of the valve rod (4) and the stuffing box (3) is in sealing connection by using a sealing stuffing (8);
a first anti-static mechanism (9) and a second anti-static mechanism (10) are vertically arranged in the valve rod (4), and the first anti-static mechanism (9) and the second anti-static mechanism (10) are respectively in contact with the ball body (5) and the stuffing box (3).
2. A wear-resistant industrial ball valve with a core according to claim 1, characterized in that the front valve body (1) is provided with an inlet connecting groove (11) at its opening for connecting a liquid inlet pipe; the inlet connecting groove (11) is gradually reduced in diameter from the opening to the inner side.
3. A wear-resistant nuclear industrial ball valve according to claim 2, characterized in that a first sealing ring (13) is embedded in said front valve body (1) at the end of said inlet connection groove (11).
4. A wear-resistant industrial ball valve with a core according to claim 1, characterized in that the opening of the rear valve body (2) is provided with an outlet connecting groove (12) for connecting a liquid outlet pipe; the outlet connecting groove (12) is gradually reduced in diameter from the opening part to the inner part.
5. A wear-resistant nuclear industrial ball valve according to claim 4, characterized in that a second sealing ring (14) is embedded in said rear valve body (2) at the end of said outlet connection groove (12).
6. A wear-resistant industrial ball valve according to claim 1, characterized in that the valve stem (4) is provided with a boss (41) which is snap-fitted with the stuffing box (3).
7. A wear-resistant nuclear industrial ball valve according to claim 6, characterized in that said first anti-static means (9) and said second anti-static means (10) are located on either side of said boss (41).
8. A wear-resistant industrial ball valve according to claim 1, characterized in that said first means (9) and said second means (10) consist of a spring and an electrostatic ball, by means of which the static electricity of said ball (5) and of said stem (4) itself is conducted through said stuffing box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021799287.6U CN212839514U (en) | 2020-08-25 | 2020-08-25 | Wear-resistant industrial ball valve with core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021799287.6U CN212839514U (en) | 2020-08-25 | 2020-08-25 | Wear-resistant industrial ball valve with core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839514U true CN212839514U (en) | 2021-03-30 |
Family
ID=75141132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021799287.6U Active CN212839514U (en) | 2020-08-25 | 2020-08-25 | Wear-resistant industrial ball valve with core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212839514U (en) |
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2020
- 2020-08-25 CN CN202021799287.6U patent/CN212839514U/en active Active
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