CN220622755U - Petroleum and natural gas pipeline conveying regulating valve - Google Patents

Petroleum and natural gas pipeline conveying regulating valve Download PDF

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Publication number
CN220622755U
CN220622755U CN202322171240.5U CN202322171240U CN220622755U CN 220622755 U CN220622755 U CN 220622755U CN 202322171240 U CN202322171240 U CN 202322171240U CN 220622755 U CN220622755 U CN 220622755U
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China
Prior art keywords
valve
gas pipeline
cage
oil
valve body
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Active
Application number
CN202322171240.5U
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Chinese (zh)
Inventor
马建设
陈海涵
陈坚
廖佳程
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Gaote Automatic Control Valve Co ltd
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Gaote Automatic Control Valve Co ltd
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Priority to CN202322171240.5U priority Critical patent/CN220622755U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

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Abstract

The utility model discloses a petroleum and natural gas pipeline conveying regulating valve, which comprises a valve body, a valve body and a valve body, wherein the two ends of the valve body are provided with a first runner and a second runner which are mutually communicated; the valve cover is arranged on the valve body; the valve core is arranged in the valve body; the valve rod penetrates through the valve cover, and the inner end of the valve rod is in linkage connection with the valve core; the valve seat is arranged in the valve body at a position corresponding to the position between the first flow passage and the second flow passage and is used for blocking the first flow passage and the second flow passage when being matched with the valve core; the valve cage is clamped between the valve cover and the valve seat, the outer periphery of the valve core is attached to the inner periphery of the valve cage, and the valve cage is provided with a through flow port communicated from inside to outside; all be equipped with an static guiding device between valve rod and valve gap, disk seat and valve body and valve cage and the valve body, through this setting for this oil and natural gas pipeline transport control valve possess soft seal's function, and through being provided with a plurality of static guiding device, play the effect of antistatic explosion-proof.

Description

Petroleum and natural gas pipeline conveying regulating valve
Technical Field
The application relates to the technical field of oil and natural gas pipeline conveying regulating valves, in particular to an oil and natural gas pipeline conveying regulating valve.
Background
Oil and gas pipeline conveying regulating valve is mainly used for the gas pipeline of inflammable and explosive medium. For example, gas, natural gas, liquefied petroleum gas, mixed gas thereof and the like have higher requirements on the sealing level of a valve body in the use process, however, in the prior art, the sealing requirement of an oil and gas pipeline conveying regulating valve is usually realized in a hard sealing mode, although the condition of burning of a sealing surface can be avoided when the hard sealing oil and gas pipeline conveying regulating valve is in a fire disaster, the sealing performance of a soft sealing oil and gas pipeline conveying regulating valve is difficult to achieve when the hard sealing oil and gas pipeline conveying regulating valve works normally, and a small amount of internal leakage (IV level) is caused, and especially the internal leakage phenomenon in a gas pipeline is more serious; meanwhile, the valve is used in the process of using the oil and gas pipeline conveying regulating valve. When the relative movement of the various parts inside the valve body generates friction, static electricity can be generated through friction, and the insulator has the danger of collecting the static electricity, and the static electricity can cause sparks, sparks and explosion of media.
Disclosure of Invention
In order to solve the problems, the application provides an oil and natural gas pipeline conveying regulating valve, wherein an electrostatic guiding device is arranged between a valve rod and a valve cover, between a valve seat and a valve body and between a valve cage and the valve body; a soft sealing rubber ring is arranged between the valve core and the valve seat; the oil and gas pipeline conveying regulating valve provided by the utility model has good sealing performance and explosion-proof performance; the oil and natural gas pipeline conveying regulating valve is realized by the following technical scheme:
the oil and gas pipeline conveying regulating valve includes one valve body with two communicated first and second flow channels; the valve cover is arranged on the valve body; the valve core is arranged in the valve body; the valve rod penetrates through the valve cover, and the inner end of the valve rod is in linkage connection with the valve core; the valve seat is arranged in the valve body at a position corresponding to the position between the first flow passage and the second flow passage and is used for blocking the first flow passage and the second flow passage when being matched with the valve core; the valve cage is clamped between the valve cover and the valve seat, the outer periphery of the valve core is attached to the inner periphery of the valve cage, and the valve cage is provided with a through flow port communicated from inside to outside; and an electrostatic guiding device is arranged between the valve rod and the valve cover, between the valve seat and the valve body and between the valve cage and the valve body.
The static electricity guiding device comprises a steel ball and an elastic element, and the steel ball is enabled to be in contact with the surface of the corresponding part at any time through the static electricity guiding device, so that an electric conduction state is kept.
Further set up, be provided with the fluting that is used for installing static guiding device on valve rod, disk seat and the valve cage, through this setting, make static guiding device and valve body connection inseparabler succinct.
Further set up, be provided with the slot in the disk seat, be provided with the sealing washer in the slot, sealing washer one side inlays in the slot, and the another side supports tight case, through this setting, guarantees the soft sealing function of oil and natural gas pipeline transportation governing valve.
The valve seat is further provided with a hard sealing surface which is used for being in sealing fit with the valve core, and the oil and natural gas pipeline conveying regulating valve has a hard sealing function through the valve seat.
Further set up, threaded connection has the axle sleeve that is used for the cover to establish at valve rod periphery on the valve gap to be equipped with on the axle sleeve and extend to periphery and support the limit flange on the valve gap inner wall, through this setting, whole firm when making the valve rod displacement reduces the friction.
Further set up, the overflow mouth has a plurality ofly, and a plurality of overflow mouths are circumference array and distribute on the valve cage, through this setting, make oil and natural gas pipeline transport governing valve rivers stable.
Further set up, the valve cage upper end is provided with first annular locating slot along circumference, is equipped with the first annular location convex part that agrees with mutually with first annular locating slot on the valve gap, and the valve cage lower extreme is provided with the second annular location convex part along circumference, is equipped with the second annular locating slot that agrees with mutually with the second annular location convex part on the disk seat, through this setting, oil and natural gas pipeline transport governing valve integral erection is firm.
In summary, the oil and gas pipeline conveying regulating valve ensures that the connection between all the components can be electrically conducted, and the static electricity leading-out device is arranged, so that static electricity generated by friction in the use process of the oil and gas pipeline conveying regulating valve can be timely led out, and the oil and gas pipeline conveying regulating valve disclosed by the utility model has the antistatic function; through setting up the sealing washer for oil and natural gas pipeline transport governing valve possess more accurate sealed effect in the use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front cross-sectional view of an oil and gas pipeline transportation regulating valve provided in an embodiment of the present application;
FIG. 2 is a cross-sectional view of an electrostatic discharge device for an oil and gas pipeline delivery regulator valve provided in an embodiment of the present application;
fig. 3 is a cross-sectional view of an oil and gas pipeline transportation regulating valve seal ring provided in an embodiment of the present application.
Wherein, each reference sign in the figure:
1. a valve body; 2. a valve seat; 3. a valve cage; 4. a valve cover; 5. a valve stem; 6. a valve core; 7. slotting; 8. steel balls; 9. an elastic element; 10. a seal ring; 11. a first flow passage; 12. a second flow passage; 13. a flow-through port; 14. a hard sealing surface; 15. a shaft sleeve; 16. a limit flange; 17. a first annular positioning groove; 18. a first annular positioning protrusion; 19. a second annular positioning groove; 20. and a second annular positioning convex part.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The present application will now be further described with reference to the accompanying drawings and detailed description:
referring to FIGS. 1-3, an oil and gas pipeline transportation regulating valve comprises a valve body 1, wherein two ends of the valve body 1 are provided with a first flow passage 11 and a second flow passage 12 which are mutually communicated; a valve cover 4, the valve cover 4 being mounted on the valve body 1; a valve core 6, the valve core 6 is arranged in the valve body 1; the valve rod 5 penetrates through the valve cover 4, and the inner end of the valve rod 5 is in linkage connection with the valve core 6; a valve seat 2, the valve seat 2 is arranged in the valve body 1 at a position corresponding to the first flow passage 11 and the second flow passage 12 and is used for blocking the first flow passage 11 and the second flow passage 12 when being matched with the valve core 6; the valve cage 3 is clamped between the valve cover 4 and the valve seat 2, the periphery of the valve core 6 is attached to the inner periphery of the valve cage 3, and the valve cage 3 is provided with a through flow port 13 communicated from inside to outside; an electrostatic guiding device is arranged between the valve rod 5 and the valve cover 4, between the valve seat 2 and the valve body 1, and between the valve cage 3 and the valve body 1.
Referring to fig. 1, in the present embodiment, the assembly modes of the valve cover 4, the valve body 1, the valve rod 5 and the valve core 6 are generally used assembly modes, and no special requirement is made, but it is required to ensure that the whole structure of the oil and gas pipeline conveying regulating valve is stable, and all metal components are electrically conducted, so that electrons can flow when static electricity is led out; between the valve seat 2 and the valve body 1, between the cage 3 and the valve body 1, the resistance between the valve stem 5 and the valve cap 4 should be tested using a direct current power supply of not more than 12V. The measurement of the resistance should be carried out on a dry valve before the pressure test, the resistance value of which does not exceed 10Ω.
Referring to fig. 1, in the present embodiment, a shaft sleeve 15 is screwed on a valve cover 4 and is used for sleeving the periphery of a valve rod 5, and a limit flange 16 extending towards the periphery and abutting against the inner wall of the valve cover 4 is arranged on the shaft sleeve 15, so that the existence of the shaft sleeve 15 provides a stable and reliable environment for the up-down displacement of the valve rod 5, friction force is reduced, and the adjustment action of an oil and gas pipeline conveying adjusting valve is easier; the plurality of through flow openings 13 are distributed on the valve cage 3 in a circumferential array, and through the arrangement, the water flow of the oil and gas pipeline conveying regulating valve is stable; the upper end of the valve cage 3 is provided with a first annular positioning groove 17 along the circumferential direction, the valve cover 4 is provided with a first annular positioning convex part 18 which is matched with the first annular positioning groove 17, the lower end of the valve cage 3 is provided with a second annular positioning convex part 20 along the circumferential direction, the valve seat 2 is provided with a second annular positioning groove 19 which is matched with the second annular positioning convex part 20, and the setting of the convex part and the positioning groove is used for facilitating the integral assembly of the oil and gas pipeline conveying regulating valve and avoiding the weakening of the sealing effect caused by deviation of the assembly position.
Referring to fig. 2, in the present embodiment, the slot 7 of the electrostatic guiding device is provided with a spring and a steel ball 8 from inside to outside, the steel ball 8 is closely attached to the corresponding part at any time by the characteristic of the spring, and the contact point can be kept stable by the spherical characteristic of the steel ball 8; the static guiding device is provided with three, sets up respectively between valve rod 5 and valve gap 4, disk seat 2 and valve body 1 and valve cage 3 and valve body 1, through setting up a plurality of static guiding devices, has avoided the unable conduction of static that the poor contact that probably exists of each part leads to, can more comprehensively derive the static that whole oil and natural gas pipeline transport governing valve any probably produced at work, factor of safety is higher.
Referring to fig. 3, in the present embodiment, the sealing ring 10 uses flexible graphite that does not burn as a filler, so that the sealing ring 10 also has a certain fireproof performance, and it should be noted that in the present embodiment, when no fire occurs, the soft sealing mode is adopted by the valve body 1, so that the sealing effect is better; when the fire phenomenon occurs, after the sealing ring 10 is burnt, the valve core 6 of the petroleum and natural gas pipeline conveying regulating valve and the metal of the valve seat 2 still can keep a certain hard sealing level, so that the medium is not directly leaked.
The foregoing description of the preferred embodiment of the present utility model is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (7)

1. An oil and gas pipeline conveying regulating valve, characterized in that: comprising the following steps:
the valve comprises a valve body (1), wherein a first flow passage (11) and a second flow passage (12) which are mutually communicated are arranged at two ends of the valve body (1);
a valve cover (4), wherein the valve cover (4) is arranged on the valve body (1);
a valve core (6), wherein the valve core (6) is arranged in the valve body (1);
the valve rod (5) penetrates through the valve cover (4), and the inner end of the valve rod (5) is connected with the valve core (6) in a linkage manner;
a valve seat (2), wherein the valve seat (2) is arranged in the valve body (1) at a position corresponding to the position between the first flow passage (11) and the second flow passage (12) and is used for blocking the first flow passage (11) and the second flow passage (12) when being matched with the valve core (6);
the valve cage (3) is clamped between the valve cover (4) and the valve seat (2), the outer periphery of the valve core (6) is attached to the inner periphery of the valve cage (3), and a through-flow port (13) communicated from inside to outside is arranged on the valve cage (3);
and an electrostatic guiding device is arranged between the valve rod (5) and the valve cover (4), between the valve seat (2) and the valve body (1) and between the valve cage (3) and the valve body (1).
2. An oil and gas pipeline transportation regulating valve according to claim 1, characterized in that: the static electricity guiding device comprises a steel ball (8) and an elastic element (9); the valve rod (5), the valve seat (2) and the valve cage (3) are provided with grooves (7) for installing the static electricity guiding-out device, and the grooves (7) are externally provided with elastic elements (9) and steel balls (8) from inside to outside.
3. An oil and gas pipeline transportation regulating valve according to claim 1, characterized in that: the valve seat (2) is internally provided with a groove, the groove is internally provided with a sealing ring (10), one surface of the sealing ring (10) is embedded in the groove, and the other surface of the sealing ring is abutted against the valve core (6).
4. An oil and gas pipeline transportation regulating valve according to claim 1 or 3, characterized in that: the valve seat (2) is provided with a hard sealing surface (14) which is used for being in sealing fit with the valve core (6).
5. An oil and gas pipeline transportation regulating valve according to claim 1, characterized in that: the valve cover (4) is in threaded connection with a shaft sleeve (15) which is sleeved on the periphery of the valve rod (5), and the shaft sleeve (15) is provided with a limit flange (16) which extends towards the periphery and abuts against the inner wall of the valve cover (4).
6. An oil and gas pipeline transportation regulating valve according to claim 1, characterized in that: the plurality of through-flow openings (13) are arranged on the valve cage (3) in a circumferential array.
7. An oil and gas pipeline transportation regulating valve according to claim 1, characterized in that: the novel valve is characterized in that a first annular positioning groove (17) is formed in the upper end of the valve cage (3) along the circumferential direction, a first annular positioning convex part (18) which is matched with the first annular positioning groove (17) is arranged on the valve cover (4), a second annular positioning convex part (20) is arranged at the lower end of the valve cage (3) along the circumferential direction, and a second annular positioning groove (19) which is matched with the second annular positioning convex part (20) is formed in the valve seat (2).
CN202322171240.5U 2023-08-11 2023-08-11 Petroleum and natural gas pipeline conveying regulating valve Active CN220622755U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322171240.5U CN220622755U (en) 2023-08-11 2023-08-11 Petroleum and natural gas pipeline conveying regulating valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322171240.5U CN220622755U (en) 2023-08-11 2023-08-11 Petroleum and natural gas pipeline conveying regulating valve

Publications (1)

Publication Number Publication Date
CN220622755U true CN220622755U (en) 2024-03-19

Family

ID=90215328

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322171240.5U Active CN220622755U (en) 2023-08-11 2023-08-11 Petroleum and natural gas pipeline conveying regulating valve

Country Status (1)

Country Link
CN (1) CN220622755U (en)

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