Oil mist filtering device for single well storage tank

Abstract

The utility model discloses an oil mist filtering device for a single well storage tank, which comprises a lifting section, a detachable filtering unit is arranged in the lifting section, the lifting section comprises a pipe body, an annular mounting lining table is arranged on the inner wall of the pipe body, the filtering unit comprises a pair of annular clamping rings which are oppositely arranged, and the clamping rings are arranged on the inner wall of the pipe body. A plurality of connecting long rods are arranged between the clamping rings, and a filter cartridge is arranged between the clamping rings. When carbon dioxide gas is discharged, the filter cartridge effectively filters oil mist, so that emergency discharge of the gas through the oil metering hole is not affected, safe operation of the affected well storage tank is guaranteed, and pollution to the surrounding environment is avoided. When the filter cartridge loses efficacy, the whole filter unit can be taken out through the handle, and a new filter cartridge can be replaced. The oil mist filtering device for the single-well storage tank is convenient to operate, obvious in effect, economical, efficient, suitable for gas emission treatment of various single-well storage tanks and high in practicability.

Description

Technical Field

[0001] The utility model relates to oil and gas production equipment, more specifically, to an oil mist filtering device for a single well storage tank. Background Art

[0002] During oil and gas field production, liquid and gas produced by active wells (such as CO2 injection wells) are transported through the production process to individual well storage tanks. However, when gas volumes suddenly increase and exceed the designed discharge capacity, oil mist from the gas discharge process may escape, causing environmental pollution, especially in sensitive areas such as shrimp ponds. Currently, there is a lack of effective solutions for oil mist discharge. Utility Model Content

[0003] Based on this, it is necessary to provide an oil mist filtering device for a single-well storage tank to address the above technical problems.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] An oil mist filtering device for a single-well storage tank is characterized in that the oil mist filtering device for a single-well storage tank comprises a lifting section, a detachable filter unit is provided in the lifting section, the lifting section comprises a tube body, and an annular mounting liner is provided on the inner wall of the tube body.

[0006] The filter unit comprises a pair of annular clamping rings arranged opposite to each other, a plurality of connecting long rods are arranged between the clamping rings, and a filter cartridge is arranged between the clamping rings.

[0007] A ring-shaped filter cartridge liner is provided at the center of the clamping ring, and a plurality of mounting screw holes are provided on the circumference of the clamping ring. Both ends of the connecting long rod are provided with connecting screw heads, which pass through the mounting screw holes and are connected to the connecting nuts.

[0008] As a preferred embodiment of the present invention, the outer diameter of the clamping ring is adapted to the outer diameter of the mounting bushing.

[0009] As a preferred embodiment of the present invention, the outer diameter of the filter cartridge is adapted to the outer diameter of the filter cartridge liner.

[0010] As a preferred embodiment of the present invention, a detachable handle is provided on the end surface of one of the clamping rings.

[0011] As a preferred embodiment of the present invention, the handle is in the shape of an elongated strip, and handle mounting holes are provided at both ends of the handle, and the handle mounting holes cooperate with the connecting screw heads.

[0012] As a preferred embodiment of the present invention, the clamping ring, connecting rod, connecting nut and handle are all made of copper.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The utility model provides an oil mist filtration device for a single-well storage tank. When carbon dioxide gas is discharged, the filter cartridge effectively filters the oil mist, which does not affect the emergency discharge of gas through the oil hole, and also ensures the safe operation of the effective well storage tank and avoids pollution of the surrounding environment. When the filter cartridge fails, the entire filter unit can be removed using the handle and replaced with a new filter cartridge. The oil mist filtration device for a single-well storage tank is easy to operate, has obvious effects, is economical and efficient, is suitable for gas emission treatment of various single-well storage tanks, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the solutions in the present invention, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the oil mist filtering device for a single-well storage tank of the utility model;

[0017] Figure 2 for Figure 1 Schematic diagram of the exploded three-dimensional structure of the oil mist filtration device for a single well storage tank;

[0018] Figure 3 for Figure 2 Schematic diagram of the three-dimensional structure of the rising section;

[0019] Figure 4 for Figure 3 The cross-sectional view of the elevated section along line AA;

[0020] Figure 5 for Figure 4 A detailed enlarged schematic diagram of area B in FIG;

[0021] Figure 6 for Figure 2 A schematic diagram of the exploded three-dimensional structure of the filter unit of the oil mist filter device for a single-well storage tank;

[0022] Figure 7 for Figure 6 A detailed enlarged schematic diagram of the C region;

[0023] The markings in the figure are as follows: 1. Lifting section; 11. Tube body; 111. Mounting liner; 2. Clamping ring; 21. Mounting screw hole; 22. Filter cartridge liner; 3. Connecting long rod; 31. Connecting screw head; 4. Filter cartridge; 5. Connecting nut; 6. Handle; 61. Handle mounting hole; S. Filter unit. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] like Figures 1 to 5 As shown, the oil mist filtering device for a single-well storage tank includes a lifting section 1, in which a detachable filter unit S is provided. The lifting section 1 includes a pipe body 11, on the inner wall of which an annular mounting liner 111 is provided.

[0026] like Figure 6 and Figure 7 As shown, the filter unit S comprises a pair of annular clamping rings 2 arranged opposite to each other, a plurality of connecting long rods 3 are arranged between the clamping rings 2, and a filter cartridge 4 is arranged between the clamping rings 2.

[0027] An annular filter cartridge liner 22 is provided at the center of the clamping ring 2, and a plurality of mounting screw holes 21 are provided on the circumference of the clamping ring 2. Connecting screw heads 31 are provided at both ends of the connecting long rod 3. The connecting screw heads 31 pass through the mounting screw holes 21 and are connected to the connecting nut 5.

[0028] It should be noted that the outer diameter of the clamp ring 2 is adapted to the outer diameter of the mounting base 111 . The outer diameter of the filter cartridge 4 is adapted to the outer diameter of the filter cartridge base 22 .

[0029] In addition, a detachable handle 6 is provided on the end surface of one of the clamping rings 2, so that the filter unit S can be easily taken out.

[0030] The handle 6 is in the shape of an elongated strip. Two ends of the handle 6 are provided with handle mounting holes 61 . The handle mounting holes 61 are matched with the connecting screw heads 31 .

[0031] It should be noted that the clamping ring 2, the connecting rod 3, the connecting nut 5 and the handle 6 are all made of copper to prevent corrosion.

[0032] The working mode of the oil mist filtering device for a single well storage tank is described below.

[0033] The lifting section 1 is installed at the wellhead of the CO2 injection well, the filter cartridge 4 is installed between the clamping rings 2 , and then the entire filter unit is placed on the mounting base 111 of the lifting section 1 .

[0034] When carbon dioxide gas is discharged, filter cartridge 4 effectively filters the oil mist, which does not affect the emergency discharge of gas through the oil metering hole, ensures the safe operation of the affected well tank, and avoids pollution of the surrounding environment. If filter cartridge 4 fails, the entire filter unit S can be removed using handle 6 and replaced with a new filter cartridge 4. This oil mist filtration device for single-well storage tanks is easy to operate, effective, cost-effective, and suitable for treating gas emissions from various single-well storage tanks, with strong practicality.

[0035] Obviously, the embodiments described above are only part of the embodiments of the present application, rather than all the embodiments. The drawings provide preferred embodiments of the present application, but do not limit the patent scope of the present application.

Claims

1. An oil mist filtering device for a single well storage tank, characterized in that: The oil mist filtering device for a single-well storage tank comprises a lifting section (1), wherein a detachable filtering unit (S) is provided in the lifting section (1), wherein the lifting section (1) comprises a pipe body (11), wherein an annular mounting liner (111) is provided on the inner wall of the pipe body (11). The filter unit (S) comprises a pair of annular clamping rings (2) arranged opposite to each other, a plurality of connecting long rods (3) are arranged between the clamping rings (2), and a filter cartridge (4) is arranged between the clamping rings (2). An annular filter cartridge liner (22) is provided at the center of the clamping ring (2), a plurality of mounting screw holes (21) are provided on the circumference of the clamping ring (2), and connecting screw heads (31) are provided at both ends of the connecting long rod (3). The connecting screw heads (31) pass through the mounting screw holes (21) and are connected to the connecting nuts (5).

2. The oil mist filtering device for a single-well storage tank according to claim 1, characterized in that: The outer diameter of the clamping ring (2) is adapted to the outer diameter of the mounting bushing (111).

3. The oil mist filtering device for a single well storage tank according to claim 1, characterized in that: The outer diameter of the filter cartridge (4) is adapted to the outer diameter of the filter cartridge liner (22).

4. The oil mist filtering device for a single-well storage tank according to claim 1, characterized in that: A detachable handle (6) is provided on the end surface of one of the clamping rings (2).

5. The oil mist filtering device for a single-well storage tank according to claim 4, characterized in that: The handle (6) is in the shape of an elongated strip. Both ends of the handle (6) are provided with handle mounting holes (61). The handle mounting holes (61) are matched with the connecting screw heads (31).

6. The oil mist filtering device for a single-well storage tank according to claim 4, characterized in that: The clamping ring (2), the connecting rod (3), the connecting nut (5) and the handle (6) are all made of copper.

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