CN219472859U - A pigging valve body - Google Patents

Abstract

The utility model discloses a pigging valve body, which comprises: a pigging valve body, the pigging valve body is a square shape with a hollow valve cavity, and the left and right sides of the pigging valve body are respectively provided with valves connected with the hollow valve cavity. There is an open medium channel, and the front and rear sides of the pigging valve body are respectively provided with an annular side port A and an annular side port B. A blind valve cover is installed on the annular side port A, and the connection with the hollow valve cavity There is a first valve body sealing groove at the side port B, a pig bonnet is installed on the annular side port B, and a second valve body sealing groove is arranged at the junction with the hollow valve cavity; the top of the pigging valve body is provided with a ring The outer periphery of the annular top port is evenly distributed along its circumferential direction with a plurality of connection holes for installing the valve cover, and the junction of the annular top port and the hollow valve cavity is provided with a third valve body sealing groove. The valve body of the utility model has strong functionality and good versatility.

Description

A pigging valve body

technical field

The utility model relates to the technical field of pigging valves, in particular to a valve body of a pigging valve.

Background technique

After land transportation (railways, highways), water transportation, and air transportation have become the three major arteries of today's society, the rapidly developing underground pipeline transportation has become the fourth artery of today's society. Pipeline transportation has the advantages of high transportation efficiency, low cost, safety and reliability, less loss and less environmental pollution. In order to ensure the high efficiency and smoothness of pipeline transportation, according to the oil and gas pipeline operation regulations, the pigging device must be used regularly, and the pigging device is used to launch and receive the pig to carry out the pigging operation on the pipeline. The pigging operation is normal for all kinds of oil and gas pipelines. The important work in the operation process, the traditional pigging valve body structure has poor functionality. In order to meet the market demand, a novel pigging valve body is now designed.

Utility model content

The utility model aims at the deficiencies of the prior art. The utility model provides a pigging valve body, which has a novel structure, strong functionality and good versatility, and brings great convenience to people's use.

In order to solve the above technical problems, a technical solution adopted by the utility model is a pigging valve body, including: a pigging valve body, the pigging valve body is a square structure with a hollow valve cavity, and the hollow valve cavity A ball valve is arranged inside, the left and right sides of the pigging valve body are respectively provided with medium passages communicating with the hollow valve cavity, and the front and rear sides of the pigging valve body are respectively provided with annular side ports A and An annular side port B, a blind valve cover is installed on the annular side port A, and a first valve body sealing groove is arranged at the junction with the hollow valve cavity, and a clear valve cover is installed on the annular side port B. A pipe valve cover, and a second valve body sealing groove is provided at the junction with the hollow valve cavity; the top of the pig valve body is provided with an annular top port, and the periphery of the annular top port is along its circumference. A plurality of connection holes for installing the valve cover are evenly distributed to the interval, and a third valve body sealing groove is provided at the intersection of the annular top port and the hollow valve cavity.

In a preferred embodiment of the present utility model, the periphery of the annular side port A is provided with a plurality of first threaded holes evenly spaced along its circumference, and the blind valve cover passes through the first threads through studs and nuts. The hole is installed on the annular side port A.

In a preferred embodiment of the present invention, the sealing groove of the first valve body is provided with a first sealing gasket, and the blind valve cover is pressed against the sealing groove of the first valve body through the first sealing gasket to realize Sealing of blind bonnet to pig valve body.

In a preferred embodiment of the present invention, the periphery of the annular side port B is evenly spaced with a plurality of second threaded holes along its circumference, and the pig valve cover is fixed to the pig by hinge rotation. On the valve body, and through the second threaded hole cover through the studs and nuts, it is set on the annular side port B.

In a preferred embodiment of the present invention, a second sealing gasket is arranged in the sealing groove of the second valve body, and the pig valve cover is pressed on the sealing groove of the second valve body through the second sealing gasket. , to realize the sealing between the pig valve cover and the pig valve body.

In a preferred embodiment of the present invention, a third sealing gasket is arranged in the sealing groove of the third valve body, and the valve cover is pressed against the sealing groove of the third valve body through the third sealing gasket to realize valve sealing. The seal between the cover and the pigging valve body.

In a preferred embodiment of the present invention, the bottom of the hollow valve chamber is provided with a ball shaft hole for rotating and fixing the ball valve.

In a preferred embodiment of the present invention, the main body of the pigging valve is provided with a relief hole on one side of the annular side port B, and the relief hole is used for installing a pressure relief valve.

In a preferred embodiment of the present invention, the main body of the pigging valve is provided with a discharge hole on one side of the annular side port A, and the discharge hole is used for installing a shut-off valve.

In a preferred embodiment of the present invention, four lifting eye holes are provided on the top of the pigging valve body.

The beneficial effects of the utility model are: the valve body of the practical pigging valve has strong functionality and good versatility, and the set discharge hole satisfies the function of pressure relief; the set discharge hole satisfies the sewage discharge of the hollow valve cavity of the valve body Function; the blind bonnet is set to meet the pig limit function, and the transceiver pig bonnet is set to meet the pig sending and receiving function; the multiple sealing grooves are set to meet the sealing function with the connecting parts.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work, wherein:

Fig. 1 is the structural representation of the utility model pigging valve valve body;

Fig. 2 is the top view of the valve body of the utility model pigging valve;

Fig. 3 is A-A sectional view of Fig. 2;

Fig. 4 is the B-B sectional view of Fig. 2;

Fig. 5 is the front view of the valve body of the utility model pigging valve;

Fig. 6 is a rear view of the valve body of the pigging valve of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-6, a valve body of a pigging valve of the utility model, comprising: a pigging valve body 1, the pigging valve body is a square structure with a hollow valve cavity 20, and a ball valve is arranged in the hollow valve cavity, so that the ball There is a rotating space in the pigging valve body, which also satisfies the installation space of the sphere. Preferably, a valve seat hole 2 can be provided in the pigging valve body to facilitate the installation of the valve seat, so that the valve seat and the sphere can achieve sealing contact. Specifically , the bottom of the hollow valve cavity is provided with a ball shaft hole 3 for fixing the ball valve, the valve stem is installed on the ball valve, the bottom end of the valve stem is installed in the ball shaft hole through a bearing, and can rotate, the left and right sides of the pigging valve body The two sides are respectively provided with a medium channel 4 communicating with the hollow valve cavity. The front and rear sides of the pigging valve body are respectively provided with annular side ports A 5 and annular side ports B 6. A blind valve cover is installed, and the junction with the hollow valve cavity is provided with a first valve body sealing groove 7, and the annular side port B is equipped with a pig bonnet, and the junction with the hollow valve chamber is provided with a second Valve body sealing groove 8; the top of the pigging valve body is provided with an annular top port 9, and the periphery of the annular top port is evenly spaced along its circumferential direction to be provided with a plurality of connection holes 10 for installing the valve cover. A third valve body sealing groove 11 is provided at the junction of the top port and the hollow valve cavity, and a third sealing gasket (not shown in the figure) is arranged in the third valve body sealing groove, and the valve cover passes through the third sealing gasket. It is pressed on the sealing groove of the third valve body, and the connection between the valve cover and the pigging valve body is realized through the bolt through the connection hole, and the sealing performance is good.

Specifically, a plurality of first threaded holes 12 are evenly distributed on the periphery of the annular side port A along its circumference, and the blind valve cover is installed on the annular side port A through studs and nuts through the first threaded holes. A valve body sealing groove is provided with a first sealing gasket, and the blind valve cover is pressed against the first valve body sealing groove through the first sealing gasket to realize the sealing between the blind valve cover and the pigging valve body.

Specifically, a plurality of second threaded holes 13 are evenly distributed on the periphery of the annular side port B along its circumferential direction, and the pig valve cover is rotated and fixed on the pig valve body through a hinge 14, which is convenient for opening the annular side port The pig bonnet on B is convenient for sending and receiving the pig. The second sealing groove of the second valve body is provided with a second sealing gasket, and the pig bonnet is pressed on the sealing groove of the second valve body through the second sealing gasket. , and through the second threaded hole cover through the studs and nuts, it is installed on the annular side port B, so as to realize the sealing between the pig valve cover and the pig valve body.

Specifically, the pigging valve body is provided with a relief hole 15 on one side of the annular side port B. The relief hole is used for installing a pressure relief valve. When the liquid medium trapped in the hollow valve cavity of the pigging valve body is When vaporization causes the pressure in the middle cavity to rise abnormally, the medium in the hollow valve cavity can release the pressure through the pressure relief valve installed on the relief hole, thus ensuring the safety of the entire valve.

Specifically, the body of the pigging valve is provided with a discharge hole 16 on one side of the annular side port A, and the discharge hole is used to install the stop valve. Sealing is achieved on line 21.

Specifically, four lug holes 18 are provided on the top of the pigging valve body to facilitate hoisting of the pigging valve during transportation and installation. In addition, a welding end 19 is provided on the pigging valve body. The welding end is a standard size and meets The pigging valve is welded to the subsea pipeline.

The above descriptions are only examples of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the utility model description, or directly or indirectly used in other related technologies Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (10)

1. A pigging valve body, comprising: a pigging valve body, the pigging valve body is a square structure with a hollow valve cavity, a ball valve is arranged in the hollow valve cavity, it is characterized in that the pigging valve The left and right sides of the valve body are respectively provided with medium passages communicating with the hollow valve cavity, and the front and rear sides of the pigging valve body are respectively provided with annular side ports A and annular side ports B. A blind valve cover is installed on the annular side port A, and a first valve body sealing groove is provided at the junction with the hollow valve cavity, and a pig valve cover is installed on the annular side port B, and is connected with The junction of the hollow valve cavity is provided with a second valve body sealing groove; the top of the pigging valve body is provided with an annular top port, and the periphery of the annular top port is evenly distributed along its circumferential direction. A connection hole for installing the valve cover, and a third valve body sealing groove is provided at the intersection of the annular top port and the hollow valve cavity. 2. A pigging valve body according to claim 1, characterized in that, the periphery of the annular side port A is provided with a plurality of first threaded holes evenly spaced along its circumference, and the blind valve The cover is installed on the annular side port A through the first threaded hole through a stud and a nut. 3. A pigging valve body according to claim 2, characterized in that a first sealing gasket is arranged in the sealing groove of the first valve body, and the blind valve cover is pressed by the first sealing gasket. On the sealing groove of the first valve body, the sealing between the blind valve cover and the pigging valve body is realized. 4. The valve body of a pigging valve according to claim 1, wherein a plurality of second threaded holes are evenly distributed on the periphery of the annular side port B along its circumferential direction, and the pigging The valve cover of the valve is fixed on the main body of the pigging valve by hinge rotation, and is installed on the annular side port B through the second threaded hole cover through studs and nuts. 5. The valve body of a pigging valve according to claim 4, wherein a second sealing gasket is arranged in the sealing groove of the second valve body, and the pig valve cover passes through the second sealing gasket The sheet is pressed on the sealing groove of the second valve body to realize the sealing between the pig valve cover and the pig valve body. 6. The valve body of a pigging valve according to claim 1, wherein a third sealing gasket is arranged in the sealing groove of the third valve body, and the valve cover is pressed on the valve body by the third sealing gasket. The sealing groove of the third valve body realizes the sealing between the valve cover and the pigging valve body. 7 . The pigging valve body according to claim 1 , wherein the bottom of the hollow valve cavity is provided with a ball shaft hole for rotating and fixing the ball valve. 8 . 8. A pigging valve body according to claim 1, characterized in that, the pigging valve body is provided with a relief hole on one side of the annular side port B, and the relief hole is used for installing pressure relief valve. 9. A pigging valve body according to claim 1, characterized in that, the pigging valve body is provided with a discharge hole on one side of the annular side port A, and the discharge hole is used for installing a shut-off valve . 10. A pigging valve body according to claim 1, characterized in that four lifting lug holes are provided on the top of the pigging valve body.