Oil-gas separation filter element assembly

Abstract

The utility model discloses an oil-gas separation filter element assembly, which relates to the technical field of oil-gas separation and comprises an oil-gas separator, an oil-gas inlet pipe, a top cover, a paper filter, a filter tightening ring, a base, a filter clamping seat, a filter cylinder, a filter hole, a shell cover, a check valve, an oil-gas inlet pipe opening, an oil-smoke discharge pipe opening, a sealing ring, an oil discharge pipe and an oil-smoke discharge pipe. The oil-gas inlet pipe is connected with an output pipe of an oil-gas source, the control valve is opened, the oil-gas source enters the oil-gas inlet pipe, the oil-gas source is fed into the filter cartridge through the oil-gas inlet pipe, oil drops are intercepted through the filter holes of the filter cartridge and the paper filter installed on the outer surface of the filter cartridge, and the check valve can effectively prevent oil gas in the oil-gas inlet pipe from flowing back in the filtering process. The filtered oil gas is separated into oil fume and oil water by the paper filter and the filter cartridge, the oil fume floats upwards and is discharged through the oil fume discharge pipe, and the oil water drips downwards into the oil discharge pipe and is discharged through the oil discharge pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of oil-gas separation, in particular to an oil-gas separation filter element component. Background Art

[0002] The technical development of oil and gas separation filter element components has gone through a process from simple mechanical separation to complex physical and chemical separation. Early separation technology mainly relied on gravity and inertial effects, while modern separation technology pays more attention to using the microstructure and surface properties of materials to improve separation efficiency.

[0003] The oil-gas separation filter element is a key mechanical component that plays an important role in providing high-purity compressed air, especially in providing protection for the braking safety of the locomotive's key component, the electro-pneumatic brake system (EPCU). For a long time, the oil-gas separation coalescing filter elements equipped with locomotive air compressors in my country have mostly been imported products. The spare parts supply cycle of these products is long and the price is high, which affects the normal development of locomotive maintenance and support work.

[0004] The future development trend of oil and gas separation filter element technology will pay more attention to environmental protection and energy saving, and will also develop in the direction of intelligence, miniaturization and integration. The discovery of new materials and the application of new processes will further improve the performance and reliability of the filter element. Therefore, the localization and industrialization of high-performance oil and gas separation filter elements have realistic social market needs.

[0005] After searching, it was found that the Chinese patent with application number / publication number CN210105947U disclosed an oil-gas separation filter element assembly and an oil-gas separator, which belong to the field of engine technology. The oil-gas separation filter element assembly includes a first support layer, a first filter layer, a second filter layer, a third filter layer and a second support layer arranged in sequence from the outside to the inside; the first filter layer and the third filter layer use oil filter material, and the second filter layer uses solid particle filter material. The utility model improves the filtering efficiency and the overall dust holding capacity, and increases the service life.

[0006] The above utility model has the following problems:

[0007] The comparative documents show that disassembly and cleaning are troublesome and inconvenient for regular cleaning and replacement, resulting in low maintainability and durability of the equipment and reducing the oil and gas separation effect.

[0008] Therefore, those skilled in the art provide an oil-gas separation filter element assembly to solve the problems raised in the above background technology. Utility Model Content

[0009] The purpose of the utility model is to provide an oil-gas separation filter element assembly to solve the problems raised in the above background technology.

[0010] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0011] An oil-gas separation filter element assembly comprises an oil-gas separator, an oil-gas inlet pipe, a top cover, a paper filter, a filter clamp ring, a base, a filter holder, a filter cartridge, filter holes, an outer shell cover, a check valve, an oil-gas inlet pipe port, an oil fume exhaust pipe port, a sealing ring, an oil exhaust pipe, an oil fume exhaust pipe, an oil fume filter pipe, a filter layer installation groove, a filter layer frame, and a multi-layer active filter layer. The base is movably connected to the base at the middle of the inner bottom end of the oil-gas separator, the filter holder is movably connected to the filter holder at the middle of the top end of the base, the outer surface of the filter holder is movably connected to the paper filter, the inner surface of the paper filter is movably connected to the filter cartridge, a plurality of filter holes are provided on the outer surface of the filter cartridge, the inner surface of the filter cartridge is movably connected to the sealing ring, and the inner surface of the sealing ring is movably connected to the outer shell cover.

[0012] As a further solution of the utility model: a plurality of oil and gas inlet openings are arranged on the periphery of the middle of the top end of the outer shell cover, and the inner surfaces of the oil and gas inlet openings are movably connected to the oil and gas inlet pipes.

[0013] As a further solution of the utility model: an oil fume exhaust pipe opening is provided in the middle of the top end of the outer shell cover, and the inner surface of the oil fume exhaust pipe opening is movably connected to the oil fume exhaust pipe.

[0014] As a further solution of the utility model: an oil drain pipe is fixedly connected to a middle penetration point at the bottom end of the oil-gas separator.

[0015] As a further solution of the utility model: a check valve is movably connected to the outer peripheral penetration point at the middle of the bottom end of the outer shell cover.

[0016] As a further solution of the utility model: the outer surface of the paper filter is movably connected to the filter clamp ring, and the middle of the top of the paper filter is movably connected to the top cover.

[0017] As a further solution of the utility model: the middle penetration point at the top of the oil fume exhaust pipe is movably connected to the oil fume filter pipe, and a plurality of filter layer installation grooves are horizontally arranged on the inner surface of the oil fume filter pipe.

[0018] As a further solution of the utility model: the inner surface of the filter layer installation groove is movably connected to the filter layer frame, and the inner surface of the filter layer frame is fixedly connected to the multiple active filter layers.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] When in use, first, connect the oil and gas inlet pipe with the output pipe of the oil and gas source, open the control valve, the oil and gas source enters the oil and gas inlet pipe, and then sends the oil and gas source into the filter cartridge through the oil and gas inlet pipe. The filter holes of the filter cartridge and the paper filter installed on the outer surface intercept the oil droplets. During the filtering process, the check valve can effectively prevent the oil and gas in the oil and gas inlet pipe from flowing back. The filtered oil and gas are separated into oil smoke and oil water by the paper filter and the filter cartridge. The oil smoke floats upward and is discharged through the oil smoke exhaust pipe, and the oil water drips downward into the oil drain pipe and is discharged through the oil drain pipe. At the same time, when the paper filter needs to be replaced or the filter cartridge needs to be cleaned, the operator only needs to take the paper filter out of the oil and gas separator, remove the filter clamping ring, loosen the clamping force between the base and the filter holder, and remove the top Remove the cover and base, disassemble the filter cartridge from the inner surface of the paper filter, disassemble the outer shell cover, check valve, sealing ring and other components, remove the oil and gas inlet pipe and oil fume exhaust pipe from the oil and gas inlet port and oil fume exhaust port on the outer shell cover, soak and wash the reusable components such as the filter cartridge, outer shell cover, check valve, oil and gas inlet pipe, oil fume exhaust pipe and sealing ring in the cleaning liquid, install a new paper filter after drying, reassemble, install it into the oil and gas separator, and reuse it; through the close cooperation between the various components, the efficiency of oil and gas separation is improved, and the pollution of oil and gas emissions to the environment is reduced. At the same time, the component adopts easy-to-replace components such as paper filters and filter cartridges, which are convenient for regular cleaning and replacement, and improve the maintainability and durability of the equipment. During use, first, when the oil smoke floats upward and is discharged through the oil smoke exhaust pipe, a filter layer frame is placed in the filter layer installation groove, and multiple layers of active filter layers are installed on the inner surface of the filter layer frame. When the oil smoke passes through the multiple layers of active filter layers, smoke and tiny oil droplets are adsorbed and filtered by the active filter layers, and the filtered gas is discharged through the oil smoke filter pipe, reducing the pollution of the oil smoke to the environment; when the multiple layers of active filter layers need to be cleaned, it is only necessary to take out the filter layer frame from the inner side of the filter layer installation groove, and soak it in the cleaning liquid to soften the oil stains on the surface of the filter layer, and then re-install it into the filter layer installation groove after washing, and it can continue to adsorb and filter; through the setting of multiple layers of active filter layers, the effect of oil fume filtration is improved, and the pollution of oil fume to the environment is reduced. The filter layer installation groove and the filter layer frame adopt an independent and detachable design, which is convenient for regular cleaning and replacement of the multiple layers of active filter layers, thereby improving the maintainability and durability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The figure is a structural schematic diagram of an oil-gas separation filter element assembly.

[0022] Figure 2 The present invention is a structural schematic diagram of a filter component in an oil-gas separation filter element component.

[0023] Figure 3 It is a schematic diagram of an explosion of a filter component in an oil-gas separation filter element assembly.

[0024] Figure 4 It is a schematic diagram of an explosion of a filter cartridge assembly in an oil-gas separation filter element assembly.

[0025] Figure 5 The diagram is a schematic diagram of an explosion of the inner wall of an oil fume filter tube in an oil-gas separation filter element assembly.

[0026] In the figure: 1-oil and gas separator, 2-oil and gas inlet pipe, 3-top cover, 4-paper filter, 5-filter clamp ring, 6-base, 7-filter holder, 8-filter cartridge, 9-filter hole, 10-shell cover, 11-check valve, 12-oil and gas inlet, 13-oil fume exhaust pipe, 14-sealing ring, 15-oil exhaust pipe, 16-oil fume exhaust pipe, 17-oil fume filter pipe, 18-filter layer installation groove, 19-filter layer frame, 20-multi-layer active filter layer. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example 1

[0029] Reference Figure 1-4The embodiment provides an oil-gas separation filter element assembly, including an oil-gas separator 1, an oil-gas inlet pipe 2, a top cover 3, a paper filter 4, a filter clamp ring 5, a base 6, a filter holder 7, a filter cartridge 8, filter holes 9, an outer shell cover 10, a check valve 11, an oil-gas inlet pipe port 12, an oil fume exhaust pipe port 13, a sealing ring 14, an oil exhaust pipe 15, and an oil fume exhaust pipe 16. The middle of the bottom end of the oil-gas separator 1 is movably connected to the base 6, the middle of the top end of the base 6 is movably connected to the filter holder 7, the outer surface of the filter holder 7 is movably connected to the paper filter 4, the inner surface of the paper filter 4 is movably connected to the filter cartridge 8, and a plurality of filter holes 9 are provided on the outer surface of the filter cartridge 8. The inner surface of the sealing ring 14 is movably connected to the outer shell cover 10, and a plurality of oil and gas inlet ports 12 are provided at the outer periphery of the middle of the top of the outer shell cover 10. The inner surface of the oil and gas inlet ports 12 are movably connected to the oil and gas inlet pipe 2. The middle of the top of the outer shell cover 10 is provided with an oil fume exhaust port 13, and the inner surface of the oil fume exhaust port 13 is movably connected to the oil fume exhaust pipe 16. The middle of the bottom of the oil and gas separator 1 is fixedly connected to the oil exhaust pipe 15, and the middle of the bottom of the outer shell cover 10 is movably connected to the check valve 11. The outer surface of the paper filter 4 is movably connected to the filter clamp 5, and the middle of the top of the paper filter 4 is movably connected to the Connect the top cover 3; when in use, first, connect the oil and gas inlet pipe 2 with the output pipe of the oil and gas source, open the control valve, the oil and gas source enters the oil and gas inlet pipe 2, and the oil and gas source is sent into the filter cartridge 8 through the oil and gas inlet pipe 2. The filter holes 9 of the filter cartridge 8 and the paper filter 4 installed on the outer surface intercept the oil droplets. During the filtering process, the check valve 11 can effectively prevent the oil and gas in the oil and gas inlet pipe 2 from flowing back. The filtered oil and gas are separated into oil smoke and oil water by the paper filter 4 and the filter cartridge 8. The oil smoke floats upward and is discharged through the oil smoke exhaust pipe 16, and the oil water drips downward into the oil drain pipe 15 and is discharged through the oil drain pipe 15; at the same time, when it is necessary to replace the paper filter 4 or clean the filter cartridge, the operator only needs to remove the paper filter 4 from the oil filter. Remove the filter from the gas separator 1, remove the filter clamping ring 5, the clamping force between the base 6 and the filter holder 7 is loosened, and the top cover 3 and the base 6 can be removed, the filter cartridge 8 is disassembled from the inner surface of the paper filter 4, the outer shell cover 10, the check valve 11 and the sealing ring 14 and other components are all removed, the oil and gas inlet pipe 2 and the oil fume exhaust pipe 16 are removed from the oil and gas inlet port 12 and the oil fume exhaust port 13 on the outer shell cover 10, and the filter cartridge 8, the outer shell cover 10, the check valve 11, the oil and gas inlet pipe 2, the oil fume exhaust pipe 16 and the sealing ring 14 and other reusable components are put into the cleaning liquid for soaking and washing, and then the new paper filter 4 is installed after drying. After reassembly, it is installed in the oil and gas separator 1 and reused.

[0030] Example 2

[0031] Reference Figure 1-5This embodiment is based on the previous embodiment, and is different from the previous embodiment in that it includes an oil fume exhaust pipe 16, an oil fume filter pipe 17, a filter layer installation groove 18, a filter layer frame 19, and a multi-layer active filter layer 20. The top middle penetration point of the oil fume exhaust pipe 16 is movably connected to the oil fume filter pipe 17, and the inner surface of the oil fume filter pipe 17 is horizontally provided with a plurality of filter layer installation grooves 18. The inner surface of the filter layer installation groove 18 is movably connected to the filter layer frame 19, and the inner surface of the filter layer frame 19 is fixedly connected to the multi-layer active filter layer 20. When in use, first, when the oil fume floats upward, it passes through the oil fume exhaust pipe 16. During discharge, a filter layer frame 19 is placed in the filter layer mounting groove 18, and a plurality of active filter layers 20 are installed on the inner surface of the filter layer frame 19. When the oil smoke passes through the plurality of active filter layers 20, the smoke and tiny oil droplets are adsorbed and filtered by the active filter layers, and the filtered gas is discharged through the oil smoke filter tube 17, thereby reducing the pollution of the oil smoke to the environment. When the plurality of active filter layers 20 need to be cleaned, it is only necessary to take out the filter layer frame 19 from the inner side of the filter layer mounting groove 18, and soak it in the cleaning liquid to soften the oil stains on the surface of the filter layer, and then reinstall it into the filter layer mounting groove 18 after washing to continue adsorption and filtering.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An oil-gas separation filter element assembly, comprising an oil-gas separator (1), a paper filter (4), a filter cartridge (8) and an oil fume filter tube (17), characterized in that: The middle of the bottom of the oil-gas separator (1) is movably connected to a base (6), the middle of the top of the base (6) is movably connected to a filter holder (7), the outer surface of the filter holder (7) is movably connected to a paper filter (4), the inner surface of the paper filter (4) is movably connected to a filter cartridge (8), a plurality of filter holes (9) are provided on the outer surface of the filter cartridge (8), the inner surface of the filter cartridge (8) is movably connected to a sealing ring (14), and the inner surface of the sealing ring (14) is movably connected to an outer shell cover (10).

2. The oil-gas separation filter element assembly according to claim 1, characterized in that: A plurality of oil and gas inlet openings (12) are provided on the outer periphery of the middle of the top end of the outer shell cover (10), and the inner surfaces of the oil and gas inlet openings (12) are movably connected to the oil and gas inlet pipes (2).

3. The oil-gas separation filter element assembly according to claim 1, characterized in that: An oil fume exhaust pipe opening (13) is provided in the middle of the top end of the outer shell cover (10), and the inner surface of the oil fume exhaust pipe opening (13) is movably connected to the oil fume exhaust pipe (16).

4. The oil-gas separation filter element assembly according to claim 1, characterized in that: The oil drain pipe (15) is fixedly connected to the middle penetration point at the bottom end of the oil-gas separator (1).

5. The oil-gas separation filter element assembly according to claim 1, characterized in that: A check valve (11) is movably connected to a peripheral penetration point at the middle of the bottom end of the outer shell cover (10).

6. The oil-gas separation filter element assembly according to claim 1, characterized in that: The outer surface of the paper filter (4) is movably connected to the filter clamp ring (5), and the middle of the top of the paper filter (4) is movably connected to the top cover (3).

7. The oil-gas separation filter element assembly according to claim 3, characterized in that: The top middle penetration point of the oil fume exhaust pipe (16) is movably connected to the oil fume filter pipe (17), and a plurality of filter layer installation grooves (18) are horizontally provided on the inner surface of the oil fume filter pipe (17).

8. The oil-gas separation filter element assembly according to claim 7, characterized in that: The inner surface of the filter layer installation groove (18) is movably connected to the filter layer frame (19), and the inner surface of the filter layer frame (19) is fixedly connected to the multiple active filter layers (20).

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