Filtering device of oil separator

Abstract

The utility model relates to the technical field of oil separators, and discloses a filter device of an oil separator, which comprises a filter cartridge and a support frame, an air inlet pipe is arranged at the upper end of the filter cartridge, a filter screen is arranged at the lower end of the air inlet pipe, the filter screen is connected with the air inlet pipe, and a filter mechanism is arranged in the filter cartridge and is obliquely mounted. The filter mechanism divides the interior of the filter cartridge into a first filter cavity and a second filter cavity, an exhaust pipe is arranged at one end of the filter cartridge, and an oil outlet pipe is arranged at one end of the filter cartridge; the filter mechanism comprises a positioning plate, the positioning plate is fixedly connected with the filter cartridge, a mounting hole is formed in the upper end of the positioning plate, a filter column is arranged in the mounting hole and is a cylindrical hollow filter screen column, a connecting seat is arranged at the lower end of the filter column, the connecting seat is mounted in the mounting hole, and a filter element is arranged in the filter column. According to the oil separator, the filtering mechanism is arranged, so that secondary filtering can be carried out, oil in an oil-gas mixture can be effectively separated, and the filtering effect of the oil separator is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil separators, in particular to a filtering device for an oil separator. Background Art

[0002] The oil separator separates the lubricating oil from the high-pressure steam discharged from the refrigeration compressor to ensure safe and efficient operation of the equipment. Based on the oil separation principle of reducing air velocity and changing air direction, the oil particles in the high-pressure steam are separated by gravity.

[0003] The existing filtering device for oil separators is not convenient for secondary filtering of gas during use, which easily leads to incomplete oil and gas filtration, thereby affecting the oil separation effect. Therefore, we propose a filtering device for oil separators. Utility Model Content

[0004] The main purpose of the utility model is to provide a filtering device for an oil separator, which can effectively solve the technical problems in the background technology.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a filtering device of an oil separator, comprising a filter cartridge, a supporting frame is provided at the lower end of the filter cartridge, an air inlet pipe is provided at the upper end of the filter cartridge, a filter screen is provided at the lower end of the air inlet pipe, the filter screen is connected to the air inlet pipe, a filtering mechanism is provided inside the filter cartridge, the filtering mechanism is installed at an angle, the filtering mechanism divides the interior of the filter cartridge into two cavities, a first filter chamber and a second filter chamber, an exhaust pipe is provided at one end of the filter cartridge, and an oil outlet pipe is provided at one end of the filter cartridge; the filtering mechanism comprises a positioning plate, the positioning plate is fixedly connected to the filter cartridge, a mounting hole is provided at the upper end of the positioning plate, a filter column is provided inside the mounting hole, the filter column is a cylindrical hollow filter screen column, a connecting seat is provided at the lower end of the filter column, the connecting seat is installed inside the mounting hole, and a filter core is provided inside the filter cartridge.

[0006] Preferably, the positioning plate is a circular hard plate, and the positioning plate is installed in a downward tilt, with the downward tilt angle of the positioning plate being one to three degrees.

[0007] Preferably, a guide platform is provided on the upper end of the positioning plate. The guide platform is a flat conical block. A guiding slope is provided on the outer side of the guide platform. The lower end of the guide platform is fixedly connected to the positioning plate.

[0008] Preferably, a guide groove is provided on the upper end of the positioning plate, and the guide groove is an annular guide groove, and two adjacent groups of mounting holes are connected through the guide groove.

[0009] Preferably, a drain pipe is provided at the lower end of the filter cartridge, the drain pipe is communicated with the internal cavity of the filter cartridge, and a head is provided on the outside of the drain pipe.

[0010] Preferably, a delivery pump is provided at one end of the filter cartridge, a delivery pipe is provided at one end of the delivery pump, and one end of the delivery pipe is connected to the first filter chamber.

[0011] Beneficial effects

[0012] The utility model provides a filtering device for an oil separator, which has the following beneficial effects:

[0013] (1) The filtering device of the oil separator can perform secondary filtration by setting a filtering mechanism, so as to effectively separate the oil in the oil-gas mixture and improve the filtering effect of the oil separator. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the implementation of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation or description of the prior art.

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall cross-section of the utility model;

[0017] Figure 3 This is a schematic diagram of the filter structure of the utility model.

[0018] Legend:

[0019] 1. Filter cartridge; 2. Support frame; 3. Air inlet pipe; 4. Drain pipe; 5. Filter screen; 6. Filter mechanism; 7. First filter chamber; 8. Second filter chamber; 9. Exhaust pipe; 10. Oil outlet pipe; 11. Delivery pump; 12. Delivery pipeline; 13. Positioning plate; 14. Mounting hole; 15. Filter screen column; 16. Guide groove; 17. Connecting seat; 18. Filter element; 19. Guide platform. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] Example 1: A filter device for an oil separator, such as Figure 1-Figure 3As shown, it includes a filter cartridge 1, which is a hollow shell. Support frames 2 are provided at the four corners of the lower end of the filter cartridge 1. The upper end of the support frame 2 is fixedly connected to the filter cartridge 1. An air inlet pipe 3 is provided at the upper end of the filter cartridge 1. The air inlet pipe 3 is fixedly connected to the filter cartridge 1. The air inlet pipe 3 is communicated with the internal cavity of the filter cartridge 1. A control valve is provided on the outside of the air inlet pipe 3. A sewage pipe 4 is provided at the center of the lower end of the filter cartridge 1. The sewage pipe 4 is communicated with the internal cavity of the filter cartridge 1. A head is provided on the outside of the sewage pipe 4. A filter screen 5 is provided at the lower end of the air inlet pipe 3 located inside the filter cartridge 1. The upper end of the filter screen 5 is fixedly connected to the air inlet pipe 3. A filtering mechanism 6 is provided in the center of the interior of the filter cartridge 1. The filtering mechanism 6 is installed obliquely, and the outer side of the filtering mechanism 6 is connected to the inner wall of the filter cartridge 1 are connected, the filtering mechanism 6 divides the interior of the filter cartridge 1 into two cavities, a first filter chamber 7 and a second filter chamber 8. An exhaust pipe 9 is provided at one end of the outside of the filter cartridge 1, and the exhaust pipe 9 is connected to the inside of the first filter chamber 7. The exhaust pipe 9 is fixedly connected to the filter cartridge 1, and a control valve is provided on the outside of the exhaust pipe 9. An oil outlet pipe 10 is provided at one end of the outside of the filter cartridge 1, and the oil outlet pipe 10 is installed at the lower end of the filtering mechanism 6. One end of the oil outlet pipe 10 is fixedly connected to the filter cartridge 1, and a control valve is provided on the outside of the oil outlet pipe 10. A delivery pump 11 is provided at one end of the outside of the filter cartridge 1, and the input end of the delivery pump 11 is connected to the second filter chamber 8. The output end of the delivery pump 11 is fixedly connected to a delivery pipe 12, and one end of the delivery pipe 12 is connected to the inside of the first filter chamber 7.

[0022] Furthermore, the filter mechanism 6 includes a positioning plate 13, which is a circular hard plate. The positioning plate 13 is installed in a downward tilt. The downward tilt angle of the positioning plate 13 is one to three degrees. The outer edge of the positioning plate 13 is fixedly connected to the inner wall of the filter cartridge 1. The upper end of the positioning plate 13 is evenly provided with mounting holes 14. The mounting holes 14 are circular holes. A filter column 15 is provided inside the mounting holes 14. The filter column 15 is a cylindrical hollow filter column. The lower end of the filter column 15 is provided with a connecting seat 17. The connecting seat 17 is an annular mounting seat. The upper end of the connecting seat 17 is fixedly connected to the filter column 15. The connecting seat The diameter of 17 is adapted to the mounting hole 14, the connecting seat 17 is fixedly installed inside the mounting hole 14, a filter core 18 is provided inside the filter column 15, and the outer side of the filter core 18 is fixedly connected to the filter column 15, and a guide platform 19 is provided in the center of the upper end of the positioning plate 13. The guide platform 19 is a flat conical block. A guide slope is provided on the outer side of the guide platform 19 near the filter column 15, and the lower end of the guide platform 19 is fixedly connected to the positioning plate 13. A guide groove 16 is provided on the upper end of the positioning plate 13. The guide groove 16 is an annular guide groove, and the two adjacent groups of mounting holes 14 are connected through the guide groove 16.

[0023] It should be noted that the utility model is a filtering device for an oil separator. When in use, the air inlet pipe 3 is first connected to the equipment pipeline, and then the outer control of the air inlet pipe 3 is opened. The air will be transported to the inside of the filter cartridge 1 through the air inlet pipe 3. When passing through the filter mesh 5, the first filtration can be performed on the filtered gas. During the contact between the filtered gas and the filter column 15 and the filter core 18 in the first filter chamber 7, the oil adheres to the surface of the filter core 18 and the filter column 15, and finally falls into the bottom end of the filter cartridge 1 through the mounting hole 14 for collection. The filtered gas will be discharged through the exhaust pipe 9 The oil filtered on the outer surface of the filter 5 will fall into the upper end of the positioning plate 13. The guide platform 19 set in the center of the upper end of the positioning plate 13 can guide the oil falling from the outer surface of the filter 55 into the guide groove 16. Finally, it flows into the installation hole 14 through the guide groove 16 and falls into the filter cartridge 1 for collection. The collected oil can be discharged through the oil outlet pipe 10. During the separation process, the delivery pump 11 can be started. The output end of the delivery pump 11 can deliver the gas at the lower end of the filter mechanism 6 to the first filter chamber 7 to re-participate in the filtration, which can improve the filtration effect. By setting the filter mechanism 6, secondary filtration can be performed, which can effectively separate the oil in the oil-gas mixture and improve the filtration effect of the oil separator.

[0024] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A filtering device for an oil separator, comprising a filter cartridge (1), a support frame (2) provided at the lower end of the filter cartridge (1), an air inlet pipe (3) provided at the upper end of the filter cartridge (1), a filter screen (5) provided at the lower end of the air inlet pipe (3), the filter screen (5) being connected to the air inlet pipe (3), characterized in that: The filter cartridge (1) is provided with a filter mechanism (6) therein, the filter mechanism (6) being installed at an angle, and the filter mechanism (6) divides the interior of the filter cartridge (1) into two cavities, namely a first filter cavity (7) and a second filter cavity (8). An exhaust pipe (9) is provided at one end of the filter cartridge (1), and an oil outlet pipe (10) is provided at one end of the filter cartridge (1); the filter mechanism (6) comprises a positioning plate (13), the positioning plate (13) being fixedly connected to the filter cartridge (1), a mounting hole (14) being provided at the upper end of the positioning plate (13), a filter column (15) being provided inside the mounting hole (14), the filter column (15) being a cylindrical hollow filter column, a connecting seat (17) being provided at the lower end of the filter column (15), the connecting seat (17) being installed inside the mounting hole (14), and a filter core (18) being provided inside the filter column (15).

2. The filter device of an oil separator according to claim 1, characterized in that: The positioning plate (13) is a circular hard plate. The positioning plate (13) is installed in a downward tilted manner. The downward tilt angle of the positioning plate (13) is one to three degrees.

3. The filter device of an oil separator according to claim 2, characterized in that: The upper end of the positioning plate (13) is provided with a guide platform (19), the guide platform (19) is a flat conical block, the outer side of the guide platform (19) is provided with a guide slope, and the lower end of the guide platform (19) is fixedly connected to the positioning plate (13).

4. The filter device for an oil separator according to claim 3, characterized in that: A guide groove (16) is provided at the upper end of the positioning plate (13). The guide groove (16) is an annular guide groove. Two adjacent groups of mounting holes (14) are connected via the guide groove (16).

5. The filter device for an oil separator according to claim 1, characterized in that: A sewage discharge pipe (4) is provided at the lower end of the filter cartridge (1), the sewage discharge pipe (4) is communicated with the internal cavity of the filter cartridge (1), and a sealing head is provided on the outside of the sewage discharge pipe (4).

6. The filter device for an oil separator according to claim 1, characterized in that: A delivery pump (11) is provided at one end of the filter cartridge (1), a delivery pipe (12) is provided at one end of the delivery pump (11), and one end of the delivery pipe (12) is connected to the first filter chamber (7).

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