CN213899951U

CN213899951U - Orifice plate type throttle valve for oil extraction device

Info

Publication number: CN213899951U
Application number: CN202022625084.1U
Authority: CN
Inventors: 谭国富
Original assignee: Jianhu Haohui Electricity Petrochemical Machinery Co ltd
Current assignee: Jianhu Haohui Electricity Petrochemical Machinery Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-06
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a orifice plate type throttle valve for oil extraction device, which belongs to the technical field of oil field exploitation, and comprises a valve body, an upper valve cover and a lower valve seat, wherein a liquid storage tank is longitudinally arranged on the right side in the valve body, a shunt trough is transversely arranged on the left side in the valve body, the shunt trough is communicated with the liquid storage tank, a first movable trough is longitudinally arranged in the middle part of the upper valve cover, a valve rod is inserted in the first movable trough, the top of the valve rod is connected with a control seat, the bottom of the valve rod is connected with the upper valve plate, a first screw trough is longitudinally arranged on the upper part in the lower valve seat, a lower valve plate is screwed in the first screw trough, a second screw trough is longitudinally arranged on the left side and the right side in the lower valve plate, a third screw trough matched with the second screw trough is longitudinally arranged on the bottom of the first screw trough, a bolt is screwed in the second screw trough, when the utility model is used, liquid reaches the throttling trough through the liquid inlet trough, the second buffer trough, the first release trough and the first buffer trough, and is buffered through the two buffer troughs, the pressure of liquid can be reduced, and the damage to the lower valve plate caused by overlarge liquid inlet pressure is avoided.

Description

Orifice plate type throttle valve for oil extraction device

Technical Field

The utility model relates to an oil field exploitation technical field specifically is a orifice plate formula choke valve that oil recovery device used.

Background

In the oil drilling process, a throttling kill device is needed to control the underground pressure, and the throttling kill device consists of a throttling manifold and a kill manifold, wherein the throttling valve is a key component of the throttling manifold. The structure of the existing throttle valve with a perforated plate mainly comprises a throttle valve main body, an upper valve plate and a lower valve plate which are arranged in the throttle valve main body, wherein the upper valve plate and the lower valve plate are sealed and overlapped together; through rotating the upper valve plate, the certain angle that staggers of semicircle orifice on valve plate and the lower valve plate is gone up in the messenger and is adjusted flow, and current choke valve often can be because feed liquor pressure leads to down the valve plate to damage when using to need to change, the higher and current choke valve of cost is changed comparatively trouble.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a perforated plate formula choke valve that oil recovery device used to solve and to propose in the above-mentioned background art because feed liquor pressure leads to down the valve plate damage greatly, thereby need change, the cost is higher and change comparatively troublesome problem.

In order to achieve the above object, the utility model provides a following technical scheme: a hole plate type throttle valve for an oil extraction device comprises a valve body, an upper valve cover and a lower valve seat, wherein a liquid storage tank is longitudinally arranged on the right side in the valve body, a diversion trench is transversely arranged on the left side in the valve body and is communicated with the liquid storage tank, a first movable trench is longitudinally arranged in the middle of the upper valve cover, a valve rod is inserted in the first movable trench, the top of the valve rod is connected with a control seat, the bottom of the valve rod is connected with an upper valve plate, a first screw groove is longitudinally arranged on the upper portion in the lower valve seat, a lower valve plate is screwed in the first screw groove, a second screw groove is longitudinally arranged on the left side and the right side in the lower valve plate, a third screw groove matched with the second screw groove is longitudinally arranged at the bottom of the first screw groove, a bolt is screwed in the second screw groove and penetrates through the second screw groove and is screwed in the third screw groove, a throttling groove is longitudinally arranged below the screw groove, a first buffering groove is longitudinally arranged below the throttling groove, the improved valve is characterized in that a first release groove is longitudinally formed in the lower portion of the buffer groove, a second buffer groove is longitudinally formed in the lower portion of the release groove, a liquid inlet groove is longitudinally formed in the lower portion of the second buffer groove, the liquid inlet groove, the second buffer groove, the first release groove, the first buffer groove and the throttling groove are communicated with one another, a sealing gasket is arranged at the joint of the bottom of the lower valve plate and the first screw groove, a throttling hole is longitudinally formed in the middle of the inner portion of the lower valve plate, and the throttling hole is communicated with the throttling groove.

Preferably, the upper valve cover and the lower valve seat are connected with the valve body in a threaded manner.

Preferably, the bottom of the upper valve plate is of a conical surface structure, and the top of the lower valve plate is provided with a conical groove matched with the upper valve plate.

Preferably, the inner walls of the liquid inlet tank, the buffer tank II, the release tank I, the buffer tank I, the throttling tank, the diversion tank and the liquid storage tank are all provided with anti-corrosion layers.

Preferably, the outer wall of the upper valve plate and the outer wall of the lower valve plate are both provided with reinforcing layers.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the utility model discloses when using, during liquid reachs the throttle groove via feed liquor groove, dashpot two, release groove one, dashpot one, via two dashpots buffering, can reduce the pressure of liquid, avoid leading to down the valve plate to damage too big to feed liquor pressure.

2) The utility model discloses when using, will take off the disk seat down, unscrew the bolt and can twist out the valve plate from the screw groove one down, it is convenient to change, simple structure.

Drawings

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

fig. 2 is the schematic view of the lower valve seat structure of the present invention.

In the figure: the valve comprises a valve body 1, an upper valve cover 2, a control seat 3, a valve rod 4, an upper valve plate 5, a lower valve seat 6, a liquid storage tank 7, a flow dividing tank 8, a lower valve plate 9, a first screw groove 10, a first bolt 11, a conical groove 12, a throttling hole 13, a liquid inlet groove 14, a second buffer groove 15, a first release groove 16, a first buffer groove 17 and a throttling groove 18.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: a hole plate type throttle valve for an oil extraction device comprises a valve body 1, an upper valve cover 2 and a lower valve seat 6, wherein a liquid storage tank 7 is longitudinally arranged on the inner right side of the valve body 1, a diversion trench 8 is transversely arranged on the inner left side of the valve body 1, the diversion trench 8 is communicated with the liquid storage tank 7, a first movable trench is longitudinally arranged in the middle of the inner part of the upper valve cover 2, a valve rod 4 is inserted in the first movable trench, the top of the valve rod 4 is connected with a control seat 3, the bottom of the valve rod 4 is connected with an upper valve plate 5, the valve rod 4 rotates the valve rod 4 through the control seat 3, the upper valve plate 5 is driven by the valve rod 4 to rotate, so that the staggered angle of a throttling hole 13 is adjusted, liquid flows into the liquid storage tank 7 from the throttling hole 13 to realize flow adjustment, a first screw groove 10 is longitudinally arranged on the inner upper part of the lower valve seat 6, a lower valve plate 9 is screwed in the first screw groove 10, and a second screw groove is longitudinally arranged on the left side and the right side of the lower valve plate 9, the bottom of the first screw groove 10 is longitudinally provided with a third screw groove matched with the second screw groove, the second screw groove is screwed with a bolt 11, the bolt 11 passes through the second screw groove and is screwed in the third screw groove, when in use, the lower valve seat 6 is taken down, the bolt 11 can be unscrewed from the first screw groove 10, the replacement is convenient, the structure is simple, the lower part of the first screw groove 10 is longitudinally provided with a throttling groove 18, the lower part of the throttling groove 18 is longitudinally provided with a first buffer groove 17, the lower part of the first buffer groove 17 is longitudinally provided with a first release groove 16, the lower part of the first release groove 16 is longitudinally provided with a second buffer groove 15, the lower part of the second buffer groove 15 is longitudinally provided with a liquid inlet groove 14, the second buffer groove 15, the first release groove 16, the first buffer groove 17 and the throttling groove 18 are communicated with each other, the joint of the bottom of the lower valve plate 9 and the first screw groove 10 is provided with a sealing gasket, the middle part in the lower valve plate 9 is longitudinally provided with a throttling hole 13, the throttling hole 13 is communicated with the throttling groove 18, liquid reaches the throttling groove 18 through the liquid inlet groove 14, the second buffering groove 15, the first releasing groove 16 and the first buffering groove 17, and is buffered through the two buffering grooves, so that the pressure of the liquid can be reduced, and the damage to the lower valve plate 9 caused by overlarge liquid inlet pressure is avoided.

Wherein, the upper bonnet 2 and the lower valve seat 6 are connected with the valve body 1 in a screw connection mode.

The bottom of the upper valve plate 5 is of a conical surface structure, and the top of the lower valve plate 9 is provided with a conical groove 12 matched with the upper valve plate 5.

And the inner walls of the liquid inlet tank 14, the buffer tank II 15, the release tank I16, the buffer tank I17, the throttling tank 18, the diversion tank 8 and the liquid storage tank 7 are all provided with anti-corrosion layers.

The outer wall of the upper valve plate 5 and the outer wall of the lower valve plate 9 are both provided with reinforcing layers.

The working principle is as follows: liquid is via feed liquor groove 14, buffer tank two 15, release tank one 16, buffer tank one 17 reachs in the throttle groove 18, flow into orifice 13 from throttle groove 18 in, rotate valve rod 4 through control seat 3, valve rod 4 drives upper valve plate 5 and rotates, thereby adjust the angle of staggering of orifice 13, liquid flows into reservoir 7 from orifice 13, realize flow control, via two buffer tank cushions, can reduce the pressure of liquid, avoid damaging valve plate 9 down to the too big valve plate 9 that leads to of feed liquor pressure, when using, valve seat 6 will be down taken off, it can be with valve plate 9 from screw groove 10 down to unscrew bolt 11 and unscrew, and it is convenient to change, and simple structure.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 orifice plate formula choke valve that oil recovery device used, includes valve body (1), upper valve cover (2), lower disk seat (6), its characterized in that: a liquid storage tank (7) is longitudinally arranged on the right side in the valve body (1), a shunt groove (8) is transversely arranged on the left side in the valve body (1), the shunt groove (8) is communicated with the liquid storage tank (7), a first movable groove is longitudinally arranged in the middle of the upper valve cover (2), a valve rod (4) is inserted in the first movable groove, the top of the valve rod (4) is connected with the control seat (3), the bottom of the valve rod (4) is connected with the upper valve plate (5), a first screw groove (10) is longitudinally arranged on the upper portion in the lower valve seat (6), a lower valve plate (9) is screwed in the first screw groove (10), a second screw groove is longitudinally arranged on the left side and the right side in the lower valve plate (9), a third screw groove matched with the second screw groove is longitudinally arranged on the bottom of the first screw groove (10), a bolt (11) is screwed in the second screw groove, the bolt (11) penetrates through the second screw groove and is screwed in the third screw groove, the improved valve structure is characterized in that a throttling groove (18) is longitudinally formed below the first screw groove (10), a first buffer groove (17) is longitudinally formed below the throttling groove (18), a first release groove (16) is longitudinally formed below the first buffer groove (17), a second buffer groove (15) is longitudinally formed below the first release groove (16), a liquid inlet groove (14) is longitudinally formed below the second buffer groove (15), the liquid inlet groove (14), the second buffer groove (15), the first release groove (16), the first buffer groove (17) and the throttling groove (18) are communicated with each other, a sealing gasket is arranged at the joint of the bottom of the lower valve plate (9) and the first screw groove (10), a throttling hole (13) is longitudinally formed in the middle of the lower valve plate (9), and the throttling hole (13) is communicated with the throttling groove (18).

2. The orifice type choke valve for an oil recovery device according to claim 1, wherein: the upper valve cover (2) and the lower valve seat (6) are connected with the valve body (1) in a threaded connection mode.

3. The orifice type choke valve for an oil recovery device according to claim 1, wherein: the bottom of the upper valve plate (5) is of a conical surface structure, and the top of the lower valve plate (9) is provided with a conical groove (12) matched with the upper valve plate (5).

4. The orifice type choke valve for an oil recovery device according to claim 1, wherein: and the inner walls of the liquid inlet tank (14), the buffer tank II (15), the release tank I (16), the buffer tank I (17), the throttling tank (18), the diversion tank (8) and the liquid storage tank (7) are all provided with anti-corrosion layers.

5. The orifice type choke valve for an oil recovery device according to claim 1, wherein: the outer wall of the upper valve plate (5) and the outer wall of the lower valve plate (9) are both provided with reinforcing layers.