CN218670694U

CN218670694U - Novel fracturing valve

Info

Publication number: CN218670694U
Application number: CN202222397788.7U
Authority: CN
Inventors: 田伟东; 尹震
Original assignee: Chengdu Dewei Petroleum Technology Service Co ltd
Current assignee: Chengdu Dewei Petroleum Technology Service Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-03-21
Anticipated expiration: 2032-09-08

Abstract

The utility model discloses a novel fracturing valve relates to fracturing valve technical field. The valve comprises a valve body, the inside of valve body is provided with the disk seat, one side of disk seat is provided with telescopic machanism, telescopic machanism is including cylindric cartridge filter, one side fixed connection of cartridge filter is in the middle part of disk seat one side, the both ends of cartridge filter are provided with the gag lever post, the surperficial swing joint of gag lever post has the spring. The utility model discloses a telescopic machanism's setting, when the fluid that contains sand flows in the valve body, the fluid that contains sand removes and drives the arc and carry out linear displacement to the direction of valve plate, the removal of arc compresses the spring, the fluid that contains sand flows in the cartridge filter through the through-hole, filter the sand grain in the fluid that contains sand by the cartridge filter, avoid the sand grain to get into the cavity from the clearance between disk seat and valve body and disk seat and the valve plate, the normal of having guaranteed the valve is opened and close, and simultaneously, the sealed face between the disk seat of sand grain wearing and tearing has been avoided, the life of this fracturing valve has been prolonged.

Description

Novel fracturing valve

Technical Field

The utility model relates to a fracturing valve technical field specifically is a novel fracturing valve.

Background

In the middle and later periods of oil and gas well exploitation, due to the reason of reservoir plugging or stratum structures, the pressure of a wellhead is reduced, the oil or gas yield is reduced, or a new oil well is put into production, fracturing operation needs to be carried out on the wellhead, and in addition, the fracturing operation needs to be carried out along with the discovery and development of page gas, so that the fracturing operation plays a very prominent role in oil and gas development.

In the prior art, a gate valve commonly used in oil and gas fields is a gate valve which is composed of a valve body, a valve seat, a valve plate and a valve rod, wherein a sealing surface, which is contacted with the valve seat, of the valve plate slides relatively when the gate valve is opened and closed, sand frequently enters a valve cavity when the gate valve is used in an environment with large sand content, so that the torque of opening the valve is increased, and even the valve cannot be opened and closed normally. Under the working condition of large sand content, sand grains easily enter the sealing surface between the valve seats to cause the abrasion of the sealing surface, thereby damaging the sealing performance and influencing the service life of the gate valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel fracturing valve to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel fracturing valve, includes the valve body, the inside of valve body is provided with the disk seat, one side of disk seat is provided with telescopic machanism, telescopic machanism is including cylindric cartridge filter, one side fixed connection of cartridge filter is in the middle part of disk seat one side, the both ends of cartridge filter are provided with the gag lever post, the surperficial swing joint of gag lever post has the spring, one side of gag lever post and spring is all fixed connection in one side of disk seat, the opposite side fixedly connected with arc of spring, the opposite side of gag lever post runs through in the surface of arc.

Preferably, the top of the valve body is fixedly connected with an upper valve cover, and the top of the upper valve cover is rotatably connected with a hand wheel.

Preferably, a fluid channel is arranged in the valve body, a valve rod is arranged in the middle of the interior of the valve body, and the valve rod is perpendicular to the fluid channel.

Preferably, the bottom fixedly connected with valve plate of valve rod, the opening and closing of fluid passage can be controlled to the valve plate, the both sides of valve plate are sealed contact respectively and set up in the disk seat, telescopic machanism symmetry sets up in the inside of valve body.

Preferably, the shape of arc is semicircle form, and the radius of arc equals with the radius of cartridge filter, the inner wall swing joint of arc is in the surface of cartridge filter, and the arc flushes with the cartridge filter mutually.

Preferably, the radius of the filter cartridge is the same as that of the fluid passage, through holes are uniformly formed in the surface and the two sides of the filter cartridge, and a plurality of through holes are formed in the through holes.

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

this novel fracturing valve, setting through telescopic machanism, when the fluid that contains sand flows into the valve body, the removal of the fluid that contains sand drives the arc and carries out linear displacement to the direction of valve plate, the removal of arc compresses the spring, the fluid that contains sand flows into in the cartridge filter through the through-hole, filter the sand grain in the fluid that contains sand by the cartridge filter, avoid the sand grain to get into the cavity from the clearance between disk seat and valve body and disk seat and the valve plate, the normal of having guaranteed the valve is opened and close, simultaneously, the sealed face between the disk seat of sand grain wearing and tearing has been avoided, the life of this fracturing valve has been prolonged.

Simultaneously, this novel fracturing valve, through the setting of spring, when not having the sand-laden fluid in the valve body, because the spring has elasticity, the spring stretches, makes the arc resume to the normal position, and simultaneously, the removal of arc is clear away the sand grain on cartridge filter surface, avoids the sand grain to adhere to the surface at the cartridge filter.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an overall front sectional view of the present invention;

fig. 3 is a schematic structural view of the telescopic mechanism of the present invention.

In the figure: 1. a valve body; 2. a hand wheel; 3. a valve stem; 4. a valve plate; 5. a telescoping mechanism; 501. a filter cartridge; 502. a limiting rod; 503. a spring; 504. an arc-shaped plate; 505. a through hole; 6. a valve seat.

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.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship indicated based on the drawings, which is only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1 to fig. 3, the utility model provides a technical solution: a novel fracturing valve comprises a valve body 1, a valve seat 6 is arranged inside the valve body 1, a telescopic mechanism 5 is arranged on one side of the valve seat 6, the telescopic mechanism 5 comprises a cylindrical filter cartridge 501, one side of the filter cartridge 501 is fixedly connected to the middle of one side of the valve seat 6, two ends of the filter cartridge 501 are provided with limit rods 502, springs 503 are movably connected to the surfaces of the limit rods 502, one sides of the limit rods 502 and the springs 503 are fixedly connected to one side of the valve seat 6, an arc-shaped plate 504 is fixedly connected to the other side of the springs 503, the other side of the limit rods 502 penetrates through the surface of the arc-shaped plate 504, the arc-shaped plate 504 is semicircular, the radius of the arc-shaped plate 504 is equal to that of the filter cartridge 501, the inner wall of the arc-shaped plate 504 is movably connected to the surface of the filter cartridge 501, the arc-shaped plate 504 is flush with the filter cartridge 501, and the radius of the filter cartridge 501 is equal to that of a fluid passage, the surface and two sides of the filter cartridge 501 are uniformly provided with through holes 505, the through holes 505 are provided with a plurality of through holes, wherein the limiting rod 502 limits the track of the spring 503 in compression or extension, and simultaneously, the arc-shaped plate 504 moves on the surface of the limiting rod 502 in compression or extension of the spring 503. Under the working condition of large sand content, sand particles easily enter the sealing surface between the valve seats 6, so that the sealing surface is abraded, the sealing performance is damaged, and the service life is influenced, therefore, when sand-containing fluid enters the valve body 1, the hand wheel 2 is manually rotated to open the fluid channel of the valve plate 4, the sand-containing fluid flows from one side of the valve body 1 to the other side of the valve body 1, meanwhile, the movement of the sand-containing fluid drives the arc-shaped plate 504 to linearly displace in the direction of the valve plate 4 on the surface of the filter cartridge 501, the movement of the arc-shaped plate 504 compresses the spring 503, the sand-containing fluid flows into the filter cartridge 501 through the through hole 505, the sand particles in the sand-containing fluid are filtered by the filter cartridge 501, the sand particles are prevented from entering the cavity from the gaps between the valve seats 6 and the valve body 1 and between the valve seats 6 and the valve plates 4, the surface area of the filter cartridge 501 for filtering can be increased along with the movement of the arc-shaped plate 504, otherwise, when no sand-containing fluid exists in the valve body 1, the filter cartridge is stretched by the spring 503, the filter cartridge is stretched, the arc-shaped plate 504 moves in the original position, and the filter cartridge is prevented from being attached to the sand particles are removed from attaching to the surface 501.

As shown in fig. 1 and 2, the top of the valve body 1 is fixedly connected with an upper valve cover, the top of the upper valve cover is rotatably connected with a hand wheel 2, a fluid passage is arranged in the valve body 1, a valve rod 3 is arranged in the middle of the interior of the valve body 1, the valve rod 3 is perpendicular to the fluid passage, the bottom of the valve rod 3 is fixedly connected with a valve plate 4, the valve plate 4 can control the opening and closing of the fluid passage, the two sides of the valve plate 4 are respectively in sealing contact with a valve seat 6, the telescopic mechanisms 5 are symmetrically arranged in the interior of the valve body 1, and the telescopic mechanisms 5 are symmetrically arranged to filter sand-containing fluid entering the valve body 1 from two directions.

The movement of the sand-containing fluid drives the arc-shaped plate 504 to perform linear displacement towards the valve plate 4, the movement of the arc-shaped plate 504 compresses the spring 503, the sand-containing fluid flows into the filter cartridge 501 through the through hole 505, sand in the sand-containing fluid is filtered by the filter cartridge 501, and the sand is prevented from entering the cavity from gaps between the valve seat 6 and the valve body 1 and between the valve seat 6 and the valve plate 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A novel fracturing valve comprises a valve body (1), and is characterized in that: the inside of valve body (1) is provided with disk seat (6), one side of disk seat (6) is provided with telescopic machanism (5), telescopic machanism (5) are including cylindric cartridge filter (501), one side fixed connection of cartridge filter (501) is in the middle part of disk seat (6) one side, the both ends of cartridge filter (501) are provided with gag lever post (502), the surperficial swing joint of gag lever post (502) has spring (503), one side of gag lever post (502) and spring (503) all fixed connection in one side of disk seat (6), the opposite side fixedly connected with arc (504) of spring (503), the opposite side of gag lever post (502) runs through in the surface of arc (504).

2. The novel frac valve of claim 1, wherein: the top fixedly connected with upper valve gap of valve body (1), upper valve gap's top is rotated and is connected with hand wheel (2).

3. The novel frac valve of claim 2, wherein: a fluid channel is arranged in the valve body (1), a valve rod (3) is arranged in the middle of the interior of the valve body (1), and the valve rod (3) is perpendicular to the fluid channel.

4. A novel frac valve as claimed in claim 3 wherein: the bottom fixedly connected with valve plate (4) of valve rod (3), valve plate (4) can control fluid passage's switching, the both sides of valve plate (4) are sealed contact respectively and are set up in disk seat (6), telescopic machanism (5) symmetry sets up in the inside of valve body (1).

5. The novel frac valve of claim 1, wherein: the shape of arc (504) is semicircle form, and the radius of arc (504) equals with the radius of cartridge filter (501), the inner wall swing joint in the surface of cartridge filter (501) of arc (504), and arc (504) level mutually with cartridge filter (501).

6. A novel frac valve as claimed in claim 3 wherein: the radius of the filter cartridge (501) is the same as that of the fluid channel, through holes (505) are uniformly formed in the surface and the two sides of the filter cartridge (501), and a plurality of through holes (505) are formed in the through holes.