Oil-gas separation device for maintenance of air compressor

Abstract

The oil-gas separation device comprises an oil-gas separation tank and a sealing top cover, the sealing top cover is arranged at the top of the oil-gas separation tank, a filtering sleeve is arranged in the oil-gas separation tank, exhaust holes distributed at equal intervals are formed in the outer wall of the filtering sleeve, and the sealing top cover is arranged at the top of the oil-gas separation tank. A vertically downward oil return pipe is inserted in the center of the top of the filter sleeve, and the inner wall of the filter sleeve is sleeved with a separation cover and an isolation cover. Gas of the air compressor is input into the oil return pipe through the exhaust pipe, the gas of the air compressor rotates and moves downwards in the oil return pipe, oil in the gas collides with the inner wall of the oil return pipe to preliminarily separate oil and gas, and the gas of the air compressor is input to the bottom of the oil return pipe and is conveyed upwards on the inner wall of the separation cover. Air of the air compressor collides with the inner spiral plate arranged on the inner wall of the separation cover, oil liquid in the air is attached to the outer wall of the inner spiral plate, and the oil liquid in the air is separated again.

Description

Technical Field

[0001] The utility model relates to the technical field of oil-gas separation, in particular to an oil-gas separation device for air compressor maintenance. Background Art

[0002] During the air outlet process of the air compressor, the oil and gas need to be separated, the oil returns to the internal circulation of the machine, and the gas is discharged to the device for user use.

[0003] The existing air compressor is composed of three parts, namely the oil-gas barrel, the oil-gas separation core and the secondary oil return system. The air compressor gas is input into the oil-gas separation core through the return oil pipe, and the gas is spirally input into the oil-gas separation core through the return oil pipe. The liquid with high density will collide with the wall of the device due to its large inertia to separate the liquid from the oil and gas. However, the input direction of the gas is directly input into the oil-gas separation core, and the direction of the gas remains unchanged, resulting in the oil particles in the gas unable to fully collide with the wall of the device, affecting the oil and gas separation effect. For this reason, we proposed an oil-gas separation device for air compressor maintenance. Utility Model Content

[0004] The purpose of the utility model is to provide an oil-gas separation device for air compressor maintenance to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oil-gas separation device for air compressor maintenance, comprising an oil-gas separation tank and a sealing top cover, the sealing top cover is arranged on the top of the oil-gas separation tank, a filter sleeve is arranged inside the oil-gas separation tank, the outer wall of the filter sleeve is provided with exhaust holes distributed at equal distances, a vertical downward return oil pipe is inserted at the top center position of the filter sleeve, a separation cover and an isolation cover are respectively sleeved on the inner wall of the filter sleeve, the oil return pipe is located inside the separation cover, the separation cover is located on the inner wall of the isolation cover, a folded oil filter element is inserted between the isolation cover and the filter sleeve, an inner spiral plate is fixedly provided on the inner wall of the separation cover, an outer spiral plate is fixedly provided on the outer wall of the separation cover, first air guide holes distributed at equal distances are opened on the top outer wall of the separation cover, and second air guide holes distributed at equal distances are opened on the bottom outer wall of the isolation cover.

[0006] Preferably, fixing rings are fixedly provided on the top and bottom outer walls of the filter sleeve, and the outer walls of the fixing rings are fixedly connected to the inner wall of the oil-gas separation tank via a bracket, so as to facilitate fixing the filter sleeve in the oil-gas separation tank.

[0007] Preferably, an air inlet pipe is fixedly provided on one side outer wall of the oil-gas separation tank through an opening, and the air inlet pipe is connected to one end of the top of the oil return pipe, so that the air compressor gas can be easily input into the oil return pipe through the air inlet pipe.

[0008] Preferably, the bottom outer wall of the filter sleeve is connected to a liquid guide tube through an opening, one end of the bottom of the liquid guide tube is connected to an oil storage cylinder, the bottom outer wall of the oil storage cylinder is connected to a vertical downward discharge pipe through an opening, and a solenoid valve is installed on the discharge pipe, so that the oil in the filter sleeve can be easily input into the liquid guide tube through the liquid guide tube, and the oil in the liquid guide tube can be easily discharged through the discharge pipe.

[0009] Preferably, the top outer wall of the oil-gas separation tank is fixed with a first fixing plate distributed at equal distances, and the outer wall of the first fixing plate is provided with a first fixing hole, and the top outer wall of the sealing top cover is fixed with a second fixing plate distributed at equal distances, and the outer wall of the second fixing plate is provided with a second fixing hole, and the inner walls of the first fixing hole and the second fixing hole are provided with matching bolts to facilitate fixing the sealing top cover to the top of the oil-gas separation tank.

[0010] Preferably, the top outer wall of the sealed top cover is connected to a vertically upward exhaust pipe through an opening, and a pressure-maintaining check valve is installed on the outer wall of the exhaust pipe, so that the filtered gas can be discharged through the exhaust pipe for use by the user.

[0011] Preferably, the bottom outer wall of the oil-gas separation tank is connected to a guide pipe through an opening, and a manual valve is installed on the outer wall of the guide pipe, so that the filtered oil can be easily returned to the air compressor through the guide pipe.

[0012] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0013] The air compressor gas is input into the oil return pipe through the exhaust pipe, the air compressor gas rotates and moves downward in the oil return pipe, the oil in the gas collides with the inner wall of the oil return pipe to initially separate the oil and gas, the air compressor gas is input to the bottom of the oil return pipe and transported upward on the inner wall of the separation cover, the air compressor gas collides with the inner spiral plate provided on the inner wall of the separation cover, the oil in the gas adheres to the outer wall of the inner spiral plate, and the oil in the gas is separated again, the air compressor gas is transported downward at the top of the separation cover through the first air guide hole, the air compressor gas collides with the outer spiral plate again, and the oil and gas in the compressor air can be further separated, and the oil and gas separation effect is greatly improved by changing the flow direction of the gas and allowing the air compressor gas spirally transported to fully collide with the device wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the oil-gas separation tank of the utility model;

[0017] Figure 3 This is a schematic diagram of the sealing top cover structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the filter sleeve of the utility model;

[0019] Figure 5 This is a schematic diagram of the cross-sectional structure of the filter sleeve of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the separation cover of the utility model;

[0021] Figure 7 This is a schematic diagram of the structure of the isolation cover of the utility model;

[0022] Figure 8 This is a schematic diagram of the structure of the folded oil filter element of the utility model.

[0023] Description of reference numerals:

[0024] 1 oil-gas separation tank, 2 sealing top cover, 3 first fixing plate, 4 first fixing hole, 5 second fixing plate, 6 second fixing hole, 7 exhaust pipe, 8 pressure-maintaining check valve, 9 guide pipe, 10 manual valve, 11 filter sleeve, 12 fixing ring, 13 oil return pipe, 14 separation cover, 15 inner spiral plate, 16 outer threaded plate, 17 first air guide hole, 18 isolation cover, 19 second air guide hole, 20 folded oil filter element, 21 oil storage cylinder, 22 liquid guide pipe, 23 drain pipe, 24 solenoid valve, 25 intake pipe, 26 exhaust hole. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] Embodiment 1

[0027] Refer to the instruction manual Figure 1-8The oil-gas separation device for air compressor maintenance comprises an oil-gas separation tank 1 and a sealing top cover 2. The sealing top cover 2 is arranged on the top of the oil-gas separation tank 1. A filter sleeve 11 is arranged inside the oil-gas separation tank 1. The outer wall of the filter sleeve 11 is provided with exhaust holes 26 distributed at equal distances. A vertical downward return oil pipe 13 is inserted at the top center position of the filter sleeve 11. A separation cover 14 and an isolation cover 18 are respectively sleeved on the inner wall of the filter sleeve 11. The return oil pipe 13 is located inside the separation cover 14. The separation cover 14 is located on the inner wall of the isolation cover 18. A folded oil filter element 20 is inserted between the isolation cover 18 and the filter sleeve 11. An inner spiral plate 15 is fixedly arranged on the inner wall of the separation cover 14. An outer spiral plate 16 is fixedly arranged on the outer wall of the separation cover 14. The top outer wall of the separation cover 14 is provided with first air guide holes 17 distributed at equal distances. The bottom outer wall of the isolation cover 18 is provided with second air guide holes 19 distributed at equal distances.

[0028] Embodiment 2

[0029] Based on the first embodiment, the top outer wall of the oil-gas separation tank 1 is fixed with a first fixing plate 3 distributed at an equal distance, and the outer wall of the first fixing plate 3 is provided with a first fixing hole 4, and the top outer wall of the sealing top cover 2 is fixed with a second fixing plate 5 distributed at an equal distance, and the outer wall of the second fixing plate 5 is provided with a second fixing hole 6, and the inner walls of the first fixing hole 4 and the second fixing hole 6 are provided with matching bolts, which is convenient for fixing the sealing top cover 2 to the top of the oil-gas separation tank 1, and the top and bottom outer walls of the filter sleeve 11 are fixed with a fixing ring 12, and the outer wall of the fixing ring 12 is fixedly connected to the inner wall of the oil-gas separation tank 1 through a bracket, which is convenient for fixing the filter sleeve 11 in the oil-gas separation tank 1.

[0030] Embodiment 3

[0031] Based on the first embodiment, an air inlet pipe 25 is fixedly provided on one side outer wall of the oil-gas separation tank 1 through an opening, and the air inlet pipe 25 is connected to the top end of the oil return pipe 13, so that the air compressor gas can be easily input into the oil return pipe 13 through the air inlet pipe 25. The bottom outer wall of the filter sleeve 11 is connected to a liquid guide pipe 22 through an opening, and the bottom end of the liquid guide pipe 22 is connected to an oil storage cylinder 21. The bottom outer wall of the oil storage cylinder 21 is connected to a vertical downward discharge pipe 23 through an opening, and a solenoid valve 24 is installed on the discharge pipe 23. It is convenient to input the oil in the filter sleeve 11 into the liquid guide pipe 22, and the oil in the liquid guide pipe 22 can be discharged through the drain pipe 23. The top outer wall of the sealing top cover 2 is connected with a vertically upward exhaust pipe 7 through an opening, and a pressure-maintaining check valve 8 is installed on the outer wall of the exhaust pipe 7. The filtered gas can be discharged for user use through the exhaust pipe 7. The bottom outer wall of the oil-gas separation tank 1 is connected with a guide pipe 9 through an opening, and a manual valve 10 is installed on the outer wall of the guide pipe 9. The filtered oil can be returned to the air compressor through the guide pipe 9.

[0032] Working principle of this utility model:

[0033] Refer to the instruction manual Figure 1-8 When the utility model is used, the gas of the air compressor is input into the oil return pipe 13 through the air inlet pipe 25, the gas of the air compressor rotates and moves downward in the oil return pipe 13, the oil in the gas collides with the inner wall of the oil return pipe 13 to initially separate the oil and gas, the air compressor gas is input into the bottom of the oil return pipe 13 and is transported upward on the inner wall of the separation cover 14, the air compressor gas collides with the inner spiral plate 15 provided on the inner wall of the separation cover 14, the oil in the gas adheres to the outer wall of the inner spiral plate 15, and the oil in the gas is separated again, the air compressor gas is transported downward at the top of the separation cover 14 through the first air guide hole 17, and the air compressor gas collides with the outer spiral plate 16 again, which can further separate the oil and gas in the compressor air, and by changing the flow direction of the gas and allowing the air compressor gas to be spirally transported and fully collide with the wall, the oil and gas separation effect is greatly improved. The compressor air at the bottom of the isolation cover 18 passes through the second air guide hole 19 and the outer wall of the folded oil filter element 20, and the oil in the air compressor gas is filtered again by the folded oil filter element 20. The filtered air compressor gas is discharged into the oil and gas separation tank 1 through the exhaust hole 26. The gas in the oil and gas separation tank 1 is discharged through the exhaust pipe 7 for user use. The oil in the air compressor gas adheres to the wall of the device and gathers into large drops of oil. It falls to the bottom inner wall of the oil and gas separation tank 1 by gravity. The oil on the bottom inner wall of the oil and gas separation tank 1 is input into the oil storage cylinder 21 through the guide pipe 22 for storage. After a large amount of oil is stored in the oil storage cylinder 21, the drain pipe 23 is opened by the solenoid valve 24, and the oil in the oil storage cylinder 21 is input into the bottom inner wall of the oil and gas separation tank 1, and the oil is returned to the air compressor through the guide pipe 9 connected to the bottom of the oil and gas separation tank 1.

[0034] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An oil-gas separation device for air compressor maintenance, comprising an oil-gas separation tank (1) and a sealing top cover (2), wherein the sealing top cover (2) is arranged on the top of the oil-gas separation tank (1), and is characterized in that: The oil-gas separation tank (1) is provided with a filter sleeve (11) inside, the outer wall of the filter sleeve (11) is provided with exhaust holes (26) distributed at equal distances, a vertical downward oil return pipe (13) is inserted at the center of the top of the filter sleeve (11), and a separation cover (14) and an isolation cover (18) are respectively sleeved on the inner wall of the filter sleeve (11), the oil return pipe (13) is located inside the separation cover (14), and the separation cover (14) is located inside the isolation cover (18). The inner wall of the isolation cover (18) is provided with a folded oil filter element (20) inserted between the isolation cover (18) and the filter sleeve (11), the inner wall of the separation cover (14) is fixedly provided with an inner spiral plate (15), the outer wall of the separation cover (14) is fixedly provided with an outer spiral plate (16), the top outer wall of the separation cover (14) is provided with first air guide holes (17) distributed at equal distances, and the bottom outer wall of the isolation cover (18) is provided with second air guide holes (19) distributed at equal distances.

2. The oil-gas separation device for air compressor maintenance according to claim 1, characterized in that: A fixing ring (12) is fixedly provided on the top and bottom outer walls of the filter sleeve (11), and the outer wall of the fixing ring (12) is fixedly connected to the inner wall of the oil-gas separation tank (1) via a bracket.

3. The oil-gas separation device for air compressor maintenance according to claim 1, characterized in that: An air intake pipe (25) is fixedly provided through an opening on one side outer wall of the oil-gas separation tank (1), and the air intake pipe (25) is communicated with one end of the top of the oil return pipe (13).

4. The oil-gas separation device for air compressor maintenance according to claim 1, characterized in that: The bottom outer wall of the filter sleeve (11) is connected to a liquid guide tube (22) through an opening, one end of the bottom of the liquid guide tube (22) is connected to an oil storage cylinder (21), the bottom outer wall of the oil storage cylinder (21) is connected to a liquid discharge tube (23) extending vertically downward through an opening, and a solenoid valve (24) is installed on the liquid discharge tube (23).

5. The oil-gas separation device for air compressor maintenance according to claim 1, characterized in that: The top outer wall of the oil-gas separation tank (1) is fixedly provided with first fixing plates (3) distributed at equal distances, and the outer wall of the first fixing plates (3) is provided with first fixing holes (4); the top outer wall of the sealing top cover (2) is fixedly provided with second fixing plates (5) distributed at equal distances, and the outer wall of the second fixing plates (5) is provided with second fixing holes (6); the inner walls of the first fixing holes (4) and the second fixing holes (6) are provided with matching bolts.

6. The oil-gas separation device for air compressor maintenance according to claim 1, characterized in that: The top outer wall of the sealing top cover (2) is connected to a vertically upward exhaust pipe (7) through an opening, and a pressure-maintaining check valve (8) is installed on the outer wall of the exhaust pipe (7).

7. The oil-gas separation device for air compressor maintenance according to claim 1, characterized in that: The bottom outer wall of the oil-gas separation tank (1) is connected to a guide pipe (9) through an opening, and a manual valve (10) is installed on the outer wall of the guide pipe (9).

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