Air inlet filter for gas lift equipment of gas production platform

Abstract

The utility model discloses a gas production platform gas lift equipment inlet gas filter, which comprises a filter container, a filter element, a filter element, a filter element, a filter element, a filter element, a filter element, a filter element, a filter element, a filter element and a filter element cover, and is characterized in that the filter container is a cavity with an opening at the top; the filter element is made of 316L materials and has the characteristics of corrosion resistance, high temperature resistance and the like, the filter element is made of 316L materials, and the fixing assembly is arranged at the top of the filter container and comprises a blind plate, a fixing pipe and a limiting part, and the fixing pipe is fixedly mounted on the outer side of the filter container. The filter element is suitable for long-term use in the specific environment of natural gas filtration, and the filter element is long, so that the filter area is large, and frequent blockage in a short time is prevented; the precision of the filter element is 10 micrometers, impurities and particulate matter in natural gas can be effectively filtered, the gas inlet quality of the gas lift equipment is guaranteed, a backwashing pipe is installed in the filter container, a spray head is fixedly connected to the outer side of the backwashing pipe, the inner wall of the filter container can be washed, and the impurities are discharged through a blow-off pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas lift equipment filtration technical field, concretely is a kind of gas gathering platform gas lift equipment air intake filter. BACKGROUND

[0002] In gas lift operation site, gas lift equipment air intake comes to gas gathering platform export pipeline, gas lift equipment frequently causes gas lift equipment failure due to water and miscellaneous in air intake, thereby influence gas lift quality, ultimately lead to gas well cannot normally produce, but present stage entire industry only exists equipment self-contained filter equipment, and the filter quality of this equipment is poor and its volume is smaller, as shown in Figure Figure 6 , processing gas volume is smaller, due to its volume reason, it will cause frequent jam in short term, cannot guarantee that gas gathering site gas lift operation is smoothly carried out. UTILITARY MODEL

[0003] The utility model is to provide a kind of gas gathering platform gas lift equipment air intake filter to solve the problems presented in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of gas gathering platform gas lift equipment air intake filter, comprising:

[0005] Filter container, filter container is the cavity with opening being provided at top, the inside of filter container is installed with filter core;

[0006] Fixed assembly, fixed assembly is placed in the top of filter container, the fixed assembly includes blind plate, fixed pipe and limiting portion, the fixed pipe is fixedly installed on the outside of filter container, the top of fixed pipe is rotatably connected with rotating shaft, one end of rotating shaft is threadedly connected with adjusting screw, blind plate is rotatably installed at the bottom of adjusting screw;

[0007] Air inlet pipe, air inlet pipe is installed at one side of filter container bottom;

[0008] Air outlet pipe, air outlet pipe is installed at one side of filter container top, bypass pipe is installed between air inlet pipe and air outlet pipe.

[0009] As preferred, the one end of air outlet pipe close to filter container, the one end of air inlet pipe close to filter container and the middle part of bypass pipe are all fixedly connected with valve.

[0010] As preferred, the inside of filter container is installed with spring for driving filter core to move upward.

[0011] As preferred, the inside of filter container and below filter core are fixedly connected with backflushing pipe, the outside of backflushing pipe is fixedly connected with spray head, and the bottom of filter container is installed with blow-off pipe.

[0012] As preferred, the limiting part comprises a supporting disc fixed outside the filter container, an arc-shaped plate one is fixed on the top of the supporting disc, one end of the arc-shaped plate one is rotatably connected with an arc-shaped plate two, and one end of the arc-shaped plate two, away from the arc-shaped plate one, is rotatably connected with an arc-shaped plate three.

[0013] As preferred, the middle part of the arc-shaped plate two and the arc-shaped plate three are provided with grooves matched with the blind plate.

[0014] As preferred, one end of the arc-shaped plate three, away from the arc-shaped plate two, is rotatably connected with a connecting screw rod, one end of the arc-shaped plate one is fixed with a limiting baffle matched with the connecting screw rod, and the middle part of the limiting baffle is provided with a groove matched with the connecting screw rod.

[0015] Compared with the prior art, the filter core is made of 316L material, has the characteristics of corrosion resistance and high temperature resistance, is suitable for long-term use in the specific environment of natural gas filtration, has a longer filter core length, a larger filtering area, and prevents frequent blockage in a short period of time; the filter core precision is 10 microns, which can effectively filter impurities and particulate matters in natural gas, guarantee the air intake quality of the gas lift equipment, the filter container is internally provided with a backflushing pipe, the outer side of the backflushing pipe is fixed with a spray head, the inner wall of the filter container can be flushed, and the dirt can be discharged through the blowdown pipe, so that the cleaning and maintenance of the filter container are facilitated; the blind plate is fixed on the top of the filter container through the extrusion of the adjusting screw rod and the limiting part, is connected with the sealing rubber ring on the top of the filter container, guarantees the air tightness, and prevents natural gas leakage. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the rotating shaft of the utility model;

[0018] Figure 3 It is a structural schematic view of the combination of the arc-shaped plate one, the arc-shaped plate two and the arc-shaped plate three of the utility model;

[0019] Figure 4 It is a structural schematic view of the opening of the arc-shaped plate one, the arc-shaped plate two and the arc-shaped plate three of the utility model;

[0020] Figure 5 It is an internal structural schematic view of the filter container of the utility model;

[0021] Figure 6 It is a picture of the filter core of the gas lift equipment.

[0022] In the figure: 1, filter container; 2, support disc; 3, arc plate one; 4, arc plate two; 5, arc plate three; 6, connecting screw; 7, limiting baffle; 8, gas outlet pipe; 9, blowdown pipe; 10, gas inlet pipe; 11, backwashing pipe; 12, valve; 13, bypass pipe; 14, fixed pipe; 15, rotating shaft; 16, adjusting screw; 17, blind plate; 18, filter core; 19, spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figure 1 、 2 , 3, 4, 5, the utility model provides a kind of technical scheme: a kind of gas gathering platform gas lift equipment air inlet filter, comprising: filter container 1, filter container 1 is the cavity with opening being arranged at top, the inside of filter container 1 is installed with the filter core 18 of 316L material, the precision of filter filter core is 10 microns, filter core specification is 50cm long, and the diameter 12cm of cylindrical hollow setting is arranged, fixed assembly is placed at the top of filter container 1, and fixed assembly includes blind plate 17, fixed pipe 14 and limiting portion, fixed pipe 14 is fixedly installed on the outside of filter container 1, and rotating shaft 15 is rotatably connected to the top of fixed pipe 14, and one end of rotating shaft 15 is threadedly connected with adjusting screw 16, and blind plate 17 is rotatably installed at the bottom of adjusting screw 16;Gas inlet pipe 10 is installed at one side of the bottom of filter container 1;Gas outlet pipe 8 is installed at one side of the top of filter container 1, and bypass pipe 13 is installed between gas outlet pipe 8 and gas inlet pipe 10.

[0025] It needs to be explained that, in the embodiment, gas inlet front end is connected with platform natural gas export pipeline, and natural gas enters filter container from here. Gas outlet front end is connected with filter container, and rear end is connected with gas lift equipment gas inlet pipeline, and clean natural gas after filtration and separation leaves the whole device from here. Blind plate 17 is fixed on the top of filter container 1 by extrusion of adjusting screw 16 and limiting portion, and blind plate 17 blocks filter container, and is connected with filter container top sealing rubber ring, to guarantee airtightness. The pressure difference between filter container inlet pressure and exhaust pressure is checked by blowdown pipe 9 and the pressure gauge outside gas inlet pipe 10, to determine whether to clean or replace filter core. Natural gas is low in and high out in filter container 1, and the gas-liquid mixture is filtered and settled at the bottom of filter container 1, and blowdown pipe 9 is installed at the bottom of filter container 1, to discharge separated impurities and liquid, and bypass pipe 13 is temporarily opened when filter container is cleaned and maintained, to ensure that gas lift operation is not interrupted.

[0026] In one embodiment, valves 12 are fixedly connected to one end of the air outlet pipe 8 near the filter container 1, one end of the air inlet pipe 10 near the filter container 1, and the middle of the bypass pipe 13.

[0027] It should be noted that in this embodiment, when maintaining the filter container 1 and replacing the filter element 18, the valve 12 in the middle of the bypass pipe 13 is opened, and the bypass pipe 13 in the middle of the air outlet pipe 8 and the air inlet pipe 10 is closed, thereby isolating the filter container 1, facilitating the corresponding operation of the filter container 1, and ensuring that the air lift operation is not interrupted.

[0028] In one embodiment, a spring 19 is installed inside the filter container 1 to drive the filter element 18 to move upward.

[0029] It should be noted that in this embodiment, when the blind plate 17 is removed from the top of the filter container 1, the top of the filter element 18 can be pushed out from the top of the filter container 1 under the action of the spring 19, so as to facilitate the removal and replacement of the filter element 18.

[0030] In one embodiment, a backwash pipe 11 is fixedly connected inside the filter container 1 and below the filter element 18, a nozzle is fixedly connected to the outside of the backwash pipe 11, and a drain pipe 9 is installed at the bottom of the filter container 1.

[0031] It should be noted that, in this embodiment, during the cleaning and replacement of the filter element 18, the valves of the drain pipe 9 and the backwash pipe 11 can be opened, the backwash pipe 11 can be connected to the high-pressure water pipe, and the inner wall of the filter container 1 can be flushed through the backwash pipe 11 so that the impurities can be discharged through the drain pipe 9.

[0032] In one embodiment, the limiting part includes a support plate 2 fixed to the outside of the filter container 1. An arc-shaped plate 3 is fixed to the top of the support plate 2. An arc-shaped plate 4 is rotatably connected to one end of the arc-shaped plate 3. An arc-shaped plate 5 is rotatably connected to the end of the arc-shaped plate 4 away from the arc-shaped plate 3. An L-shaped plate that interlocks with the support plate 2 is fixed to the bottom of the arc-shaped plate 4. A groove that mates with the blind plate 17 is provided in the middle of both the arc-shaped plate 4 and the arc-shaped plate 5. A connecting screw 6 is rotatably connected to the end of the arc-shaped plate 5 away from the arc-shaped plate 2. A limiting baffle 7 that mates with the connecting screw 6 is fixed to one end of the arc-shaped plate 3. A groove that mates with the connecting screw 6 is provided in the middle of the limiting baffle 7.

[0033] It should be noted that in this embodiment, the fixed tube 14 is fixedly connected to the support plate 2, the top of the adjusting screw 16 is fixedly connected to a handwheel, and the top of the blind plate 17 is fixedly connected to two metal rods. The metal rods are located on both sides of the rotating shaft 15 and are slidably connected to the rotating shaft 15. By rotating the adjusting screw 16, the blind plate 17 can be raised and lowered, rotating the rotating shaft 15 to the top of the filter element 18. The blind plate 17 is then used to press and fix it to the top of the filter container 1. Then, the arc plate 2 4 and arc plate 3 5 are wrapped around the outside of the blind plate 17, so that the groove in the middle of the arc plate 2 4 and arc plate 3 5 is locked on the outside of the blind plate 17, and the L-shaped plate at the bottom of the arc plate 2 4 is hooked on the bottom of the support plate 2. Then, the connecting screw 6 is rotated to the middle of the limiting baffle 7. By tightening the nut on the outside of the connecting screw 6, the blind plate 17 is further reinforced by the pulling action of the connecting screw 6 through the arc plate 2 4 and arc plate 3 5.

[0034] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] Furthermore, the terms “first,” “second,” “third,” and “fourth” are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as “first,” “second,” “third,” or “fourth” may explicitly or implicitly include at least one of those features.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air inlet filter for a gas lift device on a gas extraction platform, characterized in that: include: The filter container (1) is a cavity with an opening at the top, and a filter element (18) is installed inside the filter container (1). A fixing assembly is placed on top of the filter container (1). The fixing assembly includes a blind plate (17), a fixing tube (14), and a limiting part. The fixing tube (14) is fixedly installed on the outside of the filter container (1). A rotating shaft (15) is rotatably connected to the top of the fixing tube (14). An adjusting screw (16) is threadedly connected to one end of the rotating shaft (15). The blind plate (17) is rotatably installed on the bottom of the adjusting screw (16). An air inlet pipe (10) is installed on one side of the bottom of the filter container (1); An exhaust pipe (8) is installed on one side of the top of the filter container (1), and a bypass pipe (13) is installed between the exhaust pipe (8) and the inlet pipe (10).

2. The air inlet filter of the gas lift equipment for a gas extraction platform according to claim 1, characterized in that: Valves (12) are fixedly connected to the end of the air outlet pipe (8) near the filter container (1), the end of the air inlet pipe (10) near the filter container (1), and the middle of the bypass pipe (13).

3. The air inlet filter of the gas lift equipment for a gas extraction platform according to claim 1, characterized in that: The filter container (1) is equipped with a spring (19) that drives the filter element (18) to move upward.

4. The air inlet filter of the gas lift equipment for a gas extraction platform according to claim 1, characterized in that: A backwash pipe (11) is fixedly connected inside the filter container (1) and below the filter element (18). A nozzle is fixedly connected to the outside of the backwash pipe (11). A drain pipe (9) is installed at the bottom of the filter container (1).

5. The air inlet filter of the gas lift equipment for a gas extraction platform according to claim 1, characterized in that: The limiting part includes a support plate (2) fixed to the outside of the filter container (1). An arc plate (3) is fixed to the top of the support plate (2). An arc plate (4) is rotatably connected to one end of the arc plate (3). An arc plate (5) is rotatably connected to the end of the arc plate (4) away from the arc plate (3). An L-shaped plate that interlocks with the support plate (2) is fixed to the bottom of the arc plate (4).

6. The air inlet filter of the gas lift equipment for a gas extraction platform according to claim 5, characterized in that: Both the second arc plate (4) and the third arc plate (5) have grooves in their middle parts that mate with the blind plate (17).

7. The air inlet filter of the gas lift equipment for a gas extraction platform according to claim 6, characterized in that: The arc plate three (5) is rotatably connected to a connecting screw (6) at one end away from the arc plate two (4), and a limiting baffle (7) that cooperates with the connecting screw (6) is fixedly connected to one end of the arc plate one (3). The limiting baffle (7) has a groove in the middle that cooperates with the connecting screw (6).

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