CN217401743U

CN217401743U - Gas leakage protector for gas production tree valve

Info

Publication number: CN217401743U
Application number: CN202220465717.3U
Authority: CN
Inventors: 杨士林; 孟楠; 王东旭; 季长青
Original assignee: Shaanxi Tianpu Petroleum Technology Co ltd
Current assignee: Shaanxi Tianpu Petroleum Technology Co ltd
Priority date: 2022-03-05
Filing date: 2022-03-05
Publication date: 2022-09-09
Anticipated expiration: 2032-03-05

Abstract

The utility model discloses a gaseous outer protector that leaks of gas production tree valve, including the slide valve, the support ring is installed to slide valve one end opening part block, the second arm-tie closely laminates with slide valve opposite side face, first barrel is terminal and second barrel inner wall threaded connection, and installs the second sealing washer between first barrel and the second barrel, interior hexagonal hole has been seted up to the terminal inboard of swivel nut, and interior hexagonal hole is connected with the interior valve rod nut of slide valve. This gas production tree valve gas leaks protector outward, can low cost, the problem is leaked in the solution scene of high reliability, still does not influence normal production, provides good prerequisite for the post processing, guarantees going on smoothly of whole processing procedure, and under the protection of this device, the trouble valve can take "sick" to persist on duty even, does not have the safety concern, can also do the controlled emission of oil gas in the well simultaneously, discharges safe region or appointed container, stops environmental pollution and possible bodily injury.

Description

Gas leakage protector for gas production tree valve

Technical Field

The utility model relates to an oil field oil gas well head gate valve technical field specifically is a gas production tree valve gas leakage protector outward.

Background

The gate valve of the oil-gas well mouth of the oil field belongs to key equipment of a production link, and is a first link from the production or safety perspective, and the gate valve works normally or not to ensure the safety of the whole oil-gas well, even the life safety and the environmental safety of surrounding residents.

Due to the corrosivity of oil gas and the adverse effect of a field environment, a field gate valve is difficult to avoid the failure after the field gate valve is used for many years, a large part of failures are valve leakage, and are caused by the failure of a rubber ring, metal abrasion and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve leaks protector outward to propose current killing, beat processing method such as checkpost in solving above-mentioned background art, either the cost is very high, or the reliability is unsatisfactory, still can pollute production zone or well head simultaneously, bring harmful effects's problem for subsequent production.

In order to achieve the above object, the utility model provides a following technical scheme: the valve leakage protector comprises a gate valve, wherein a support ring is clamped and installed at an opening at one end of the gate valve, the tail end of the support ring is clamped and fixed with one end of a first cylinder, first sealing rings are installed at two ends of the support ring, a first pull plate is installed on the outer side of the first cylinder, the inner wall of a hole formed in the first pull plate is connected with one end of a pull rod, the other end of the pull rod is connected with the inner wall of a hole formed in a second pull plate, positioning nuts are installed at two ends of the pull rod in a threaded manner, the second pull plate is tightly attached to the other side face of the gate valve, the tail end of the first cylinder is in threaded connection with the inner wall of the second cylinder, a second sealing ring is installed between the first cylinder and the second cylinder, a rotary nut penetrates through the hole at the tail end of the second cylinder, a third sealing ring is installed between the outer wall of the rotary nut and the hole at the tail end of the second cylinder, an inner hexagonal hole is formed in the inner side of the tail end of the rotary nut, and the inner hexagonal hole is connected with a valve rod nut in the gate valve.

Preferably, the first cylinder is provided with a first air guide hole, and the first air guide hole is formed in the first cylinder at an equal angle.

Preferably, the outer wall of the first cylinder body is in threaded connection with the inner wall of the central hole of the first pulling plate, the shapes and the sizes of the outer rings of the first pulling plate and the second pulling plate are the same, and the first pulling plate and the second pulling plate are distributed in parallel.

Preferably, the pull rods are horizontally distributed at equal angles relative to the centers of the first pull plate and the second pull plate, and the pull rods and the first pull plate and the second pull plate are vertically distributed.

Preferably, the second cylinder is provided with a second air guide hole, and the second air guide hole is formed in the second cylinder at an equal angle.

Preferably, the third sealing ring, the second sealing ring and the first sealing ring are all arranged in parallel in 2 groups, and the third sealing ring, the second sealing ring and the first sealing ring are all rubber sealing rings.

Compared with the prior art, the beneficial effects of the utility model are that: the valve leakage protector can solve the field leakage problem with low cost and high reliability, does not influence normal production, provides good prerequisite conditions for post-treatment, ensures the smooth operation of the whole treatment process, can even lead a fault valve to have 'illness' and stay on duty under the protection of the device, has no safety concerns, can also control the discharge of oil gas in a well, discharges the oil gas to a safe region or a designated container, and avoids environmental pollution and possible personal injury;

1. the first pulling plate, the pull rod, the second pulling plate and the positioning nut are matched to work, so that the support ring and the first barrel can be quickly and stably extruded and fixed, the support ring and the first barrel are tightly connected with the gate valve, and the disassembly and assembly operations are convenient;

2. through the mutual cooperation work of first sealing washer, support ring, first barrel, first gas guide hole, second barrel, second gas guide hole, second sealing washer, swivel nut, third sealing washer and interior hexagonal hole, can effectively avoid the slide valve to leak, can also be the controlled emission of oil gas in the well, avoid polluting in the pit and to operating personnel's damage.

Drawings

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

FIG. 2 is a schematic view of the bottom perspective structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of the front cross-sectional structure of the present invention;

fig. 5 is a schematic front view of the present invention.

In the figure: 1. a gate valve; 2. a support ring; 3. a first seal ring; 4. a first cylinder; 401. a first air-guide hole; 5. a first pulling plate; 6. a pull rod; 7. a second pulling plate; 8. positioning a nut; 9. a second cylinder; 901. a second air-guide hole; 10. a second seal ring; 11. rotating the nut; 12. a third seal ring; 13. and (4) inner hexagonal holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the valve leakage protector comprises a gate valve 1, a support ring 2, a first sealing ring 3, a first cylinder 4, a first air guide hole 401, a first pulling plate 5, a pull rod 6, a second pulling plate 7, a positioning nut 8, a second cylinder 9, a second air guide hole 901, a second sealing ring 10, a rotating nut 11, a third sealing ring 12 and an inner hexagonal hole 13, wherein the support ring 2 is clamped and installed at an opening at one end of the gate valve 1, the tail end of the support ring 2 is fixedly clamped with one end of the first cylinder 4, the first sealing ring 3 is installed at both ends of the support ring 2, the first pulling plate 5 is installed at the outer side of the first cylinder 4, the inner wall of a hole formed in the first pulling plate 5 is connected with one end of the pull rod 6, the other end of the pull rod 6 is connected with the inner wall of a hole formed in the second pulling plate 7, the positioning nut 8 is installed at both ends of the pull rod 6 through threads, the second pulling plate 7 is tightly attached to the side face of the gate valve 1, the terminal and the 9 inner wall threaded connection of second barrel of first barrel 4, and install second sealing washer 10 between first barrel 4 and the second barrel 9, run through in the terminal hole of second barrel 9 and install swivel nut 11, and install third sealing washer 12 between swivel nut 11 outer wall and the terminal hole of second barrel 9, hexagon socket 13 has been seted up to swivel nut 11 terminal inboard, and hexagon socket 13 is connected with the valve rod nut in the slide valve 1.

The first cylinder 4 of this embodiment is provided with a first air vent 401, and the first air vent 401 is provided at an equal angle on the first cylinder 4, and the above-mentioned structural design can perform controlled discharge to the oil gas inside the first cylinder 4.

The outer wall of the first cylinder 4 is in threaded connection with the inner wall of a central hole of the first pulling plate 5, the shapes and the sizes of the outer rings of the first pulling plate 5 and the second pulling plate 7 are the same, the first pulling plate 5 and the second pulling plate 7 are distributed in parallel, the structural design ensures the stability of connection of the first cylinder 4 and the first pulling plate 5, and meanwhile, the extrusion limiting effect of the first pulling plate 5 on the first cylinder 4 is also ensured.

The pull rod 6 is distributed in the same angle with respect to the center level of the first pull plate 5 and the second pull plate 7, the pull rod 6, the first pull plate 5 and the second pull plate 7 are vertically distributed, and the pull rod 6 can stably position the first pull plate 5 and the second pull plate 7 by the aid of the structural design, so that stability of a structure connected with the first pull plate 5 is guaranteed.

The second cylinder 9 is provided with a second air hole 901, and the second air hole 901 is formed in the second cylinder 9 at an equal angle, and the structural design can controllably discharge oil gas inside the second cylinder 9.

The third sealing ring 12, the second sealing ring 10 and the first sealing ring 3 are all arranged in parallel in 2 groups, the third sealing ring 12, the second sealing ring 10 and the first sealing ring 3 are all rubber sealing rings, and the structure design can be used for stably sealing and preventing leakage between the gate valve 1 and the first cylinder 4, between the first cylinder 4 and the second cylinder 9 and between the second cylinder 9 and the rotating nut 11.

The working principle is as follows: when the device is used, the support ring 2 and the first sealing ring 3 are installed at the positions shown in figure 4, the left end of the support ring 2 is stably clamped into the right end of the gate valve 1, the left end of the first cylinder 4 is clamped at the right end of the support ring 2, then the first pull plate 5 is installed on the first cylinder 4 in a threaded manner, the second pull plate 7 is arranged at the right end of the gate valve 1 in figure 4, the pull rod 6 is aligned with the holes formed in the first pull plate 5 and the second pull plate 7 and penetrates through the holes, the two ends of the pull rod 6 are provided with the positioning nuts 8, the positioning nuts 8 extrude the first pull plate 5 and the second pull plate 7, and the support ring 2 is pushed by the first pull plate 5 to be stably connected and fixed with the gate valve 1;

then, a second sealing ring 10 and a third sealing ring 12 are arranged at the positions shown in the figure 4, a rotating nut 11 penetrates through a central hole of the second cylinder 9 from left to right, the second cylinder 9 is arranged at the right end of the first cylinder 4 in a threaded manner, and an inner hexagonal hole 13 at the left end of the rotating nut 11 is connected with a valve rod nut in the gate valve 1, so that the whole assembly of the device is completed;

the swivel nut 11 can axially extend and retract, can also rotate, and operates a valve rod nut on the gate valve 1 through the hexagon socket 13 at the end part to realize the opening and closing operation of the valve, and toxic gas can be controllably discharged through the first air guide hole 401 and the second air guide hole 901 to ensure the safe operation, namely the working principle of the leakage protector of the valve.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas production tree valve gas leaks protector outward, includes slide valve (1), its characterized in that: the gate valve is characterized in that a support ring (2) is installed at an opening at one end of the gate valve (1) in a clamping mode, the tail end of the support ring (2) is fixed with one end of a first cylinder (4) in a clamping mode, first sealing rings (3) are installed at two ends of the support ring (2), a first pulling plate (5) is installed on the outer side of the first cylinder (4), the inner wall of a hole formed in the first pulling plate (5) is connected with one end of a pulling rod (6), the other end of the pulling rod (6) is connected with the inner wall of a hole formed in a second pulling plate (7), a positioning nut (8) is installed at two ends of the pulling rod (6) in a threaded mode, the second pulling plate (7) is tightly attached to the side face of the other side of the gate valve (1), the tail end of the first cylinder (4) is connected with the inner wall of the second cylinder (9) in a threaded mode, a second sealing ring (10) is installed between the first cylinder (4) and the second cylinder (9), a rotating nut (11) penetrates through a hole at the tail end of the second cylinder (9), and install third sealing washer (12) between swivel nut (11) outer wall and the terminal hole of second barrel (9), interior hexagonal hole (13) have been seted up to swivel nut (11) terminal inboard, and interior hexagonal hole (13) are connected with the valve rod nut in slide valve (1).

2. The gas production tree valve gas leakage protector of claim 1, wherein: the first cylinder (4) is provided with a first air guide hole (401), and the first air guide hole (401) is formed in the first cylinder (4) at equal angles.

3. The gas production tree valve gas leakage protector of claim 1, wherein: the outer wall of the first barrel (4) is in threaded connection with the inner wall of a central hole of the first pulling plate (5), the shapes and the sizes of outer rings of the first pulling plate (5) and the second pulling plate (7) are identical, and the first pulling plate (5) and the second pulling plate (7) are distributed in parallel.

4. The gas production tree valve gas leakage protector of claim 1, wherein: the pull rod (6) is horizontally distributed in an equal angle mode about the centers of the first pull plate (5) and the second pull plate (7), and the pull rod (6) is vertically distributed with the first pull plate (5) and the second pull plate (7).

5. The gas production tree valve gas leakage protector of claim 1, wherein: the second cylinder (9) is provided with a second air guide hole (901), and the second air guide hole (901) is formed in the second cylinder (9) at equal angles.

6. The gas production tree valve gas leakage protector of claim 1, wherein: and 2 groups of the third sealing ring (12), the second sealing ring (10) and the first sealing ring (3) are all arranged in parallel, and the third sealing ring (12), the second sealing ring (10) and the first sealing ring (3) are all rubber sealing rings.