Air drying device of air compressor

Abstract

The invention provides an air drying device of an air compressor, and relates to the technical field of air compressors, the air drying device comprises an oil removal filter, a dust removal filter, a dryer and an air storage tank which are sequentially communicated through pipelines, a check valve is installed on the pipeline between the air dryer and the air storage tank, and after being output through the air compressor, air firstly passes through the oil removal filter and then passes through the dust removal filter; oil discharged by the air compressor is removed, it is ensured that a follow-up treatment unit is not polluted by oil, air passing through the oil removal filter enters the dust removal filter, dust particles in the air are further removed, it is ensured that the filtered air is clean as much as possible, and the air subjected to dust removal enters the dryer. Moisture in the air is removed in the dryer in a condensation or adsorption mode, it is ensured that the humidity of the compressed air is reduced to the minimum, the dried air enters the air storage tank, the air storage tank stores the dried air for a system to use, the air supply stability is ensured, and therefore the efficiency of the air compressor is improved, the cleanliness of the compressed air is ensured, and the service life of the air compressor is prolonged. And damage of moisture and impurities to equipment is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of air compressors, and in particular to an air drying device for an air compressor. Background Art

[0002] In many industrial applications, compressors are used in compressed air supply systems. The compressed air often contains a certain amount of moisture. Excessive moisture will not only affect the performance of the compressor, but may also cause corrosion of equipment such as pipes and valves, shorten the service life of the equipment, and may even affect the normal operation of downstream processes.

[0003] Most of the air drying devices on the market currently use refrigeration drying and adsorption drying, but these devices are large in size, high in energy consumption and high in maintenance costs.

[0004] Therefore, in view of the above situation, there is an urgent need to develop a compressor air drying device to overcome the shortcomings in current practical applications. Summary of the invention

[0005] The invention provides a compressor air drying device to solve the defects in the prior art.

[0006] The invention provides an air compressor air drying device, comprising: an oil removal filter, a dust removal filter, a dryer and an air storage tank which are sequentially connected through a pipeline, and a check valve is installed on the pipeline between the air dryer and the air storage tank.

[0007] Preferably, the oil removal filter includes a filter shell, a filter tank and an oil collecting chamber are provided inside the filter shell, a partition is fixedly provided between the filter tank and the oil collecting chamber, the partition is provided with an opening, an oil drain port is provided at the lower end of the filter shell, a block is provided in the oil drain port, an air inlet is provided at the upper end of the filter shell, an air outlet is provided at the left end of the filter shell, the air inlet and the air outlet are connected with the pipeline, the air inlet, the filter tank, the opening, the oil collecting chamber and the oil drain port are connected in sequence from top to bottom, the right end of the filter tank is the opening direction, a working component is slidably provided in the filter tank, and the working component is connected to the control component.

[0008] Preferably, the working assembly includes a working shell that is slidably connected to the filter tank, a working chamber is provided inside the working shell, a bellows is provided at the upper end of the working chamber, the bellows is connected with the air inlet correspondingly, the bellows is connected with the cavity one inside the movable shell through a connecting hole, baffles are symmetrically provided on the left and right sides of the connecting hole, a spring two is fixedly provided between the baffle and the cavity one, the baffle and the connecting hole are rotatably connected through a rotating shaft, the rotating shaft is electrically connected to the angle sensor, an oil removal net is obliquely provided in the cavity one, the left end of the cavity one is connected with the outlet, the outlet is connected with the working chamber, the left end of the working chamber is connected with an outlet pipe, the outlet pipe corresponds to the air outlet, an installation chamber is provided at one end of the working shell away from the outlet pipe, a blocking plate is matched in the installation chamber, a mounting hole is penetrated through the blocking plate, the mounting hole is slidably connected to the horizontal end of the L-shaped locking block, the vertical end of the L-shaped locking block is correspondingly arranged to the vertical end of the working shell, and the horizontal end of the L-shaped locking block is fixedly connected to the movable shell.

[0009] Preferably, the working component also includes an oil outlet arranged at the lower end of the movable shell, cavity one is connected with the oil outlet, the oil outlet is connected with the oil removal path correspondingly, the oil removal path is arranged on the pushing block, the oil removal path is connected with the oil removal port correspondingly, the oil removal port is connected with the opening correspondingly, the inclined end of the pushing block is arranged correspondingly to the inclined end of the movable shell, the pushing block is fixedly connected to the pushing rod, the push rod passes through the side end of the working chamber and is fixedly connected to the side end of the filter tank.

[0010] Preferably, the dryer includes a box body, the condenser is fixedly mounted on one inner wall of the box body, the drying box is fixedly mounted on one inner wall of the box body, one end of the air outlet pipe is connected to the drying box, and the air inlet mechanism is arranged in the box body.

[0011] Preferably, the air intake mechanism includes a filter box, a fan, a first air inlet pipe, a second air inlet pipe, an air outlet pipe, a filter screen and an activated carbon filter screen, the filter box is fixedly mounted on the bottom inner wall of the box body, the fan is fixedly mounted on the bottom inner wall of the box body, one end of the first air inlet pipe is connected to the fan, one end of the second air inlet pipe is connected to the filter box, the other end of the second air inlet pipe is connected to the fan, one end of the air outlet pipe is connected to the filter box, and the filter screen and the activated carbon filter screen are both arranged in the filter box.

[0012] Compared with the prior art, the present invention has the following beneficial effects: After the air is output through the compressor, it first passes through the oil removal filter to remove the oil discharged by the compressor to ensure that the subsequent processing unit is not contaminated by oil. The air passing through the oil removal filter enters the dust removal filter to further remove dust particles in the air to ensure that the filtered air is as clean as possible. The air after dust removal enters the dryer, where the moisture in the air is removed by condensation or adsorption to ensure that the humidity of the compressed air is minimized. The dried air enters the air storage tank, which stores the dried air for the system to use and ensure the stability of the air supply. The check valve installed between the dryer and the air storage tank ensures that the air can only flow in one direction to avoid backflow, ensuring the cleanliness of the air and the stability of the system. The air passes through the oil removal filter, dust removal filter, dryer and air storage tank connected in sequence through the pipeline, and a check valve is set on the pipeline between the dryer and the air storage tank. This design can effectively remove oil, dust and moisture in the air, thereby improving the overall efficiency of the compressor system, ensuring the cleanliness of the compressed air, and avoiding damage to the equipment by moisture and impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. 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 creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure provided by an embodiment of the present invention; Figure 2 is a schematic structural diagram of the oil removal filter provided by an embodiment of the present invention when not in operation; Figure 3 is a schematic structural diagram of the oil removal filter provided by an embodiment of the present invention when in operation; Figure 4 is a schematic diagram of the cross-sectional structure of a movable shell provided by an embodiment of the present invention; Figure 5 The embodiment of the present invention provides Figure 3 Schematic diagram of the structure of the enlarged A area; Figure 6 It is a schematic diagram of the cross-sectional structure of a dryer provided in an embodiment of the present invention.

[0015] Reference numerals: 1. Oil removal filter; 2. Dust removal filter; 3. Dryer; 4. Air storage tank; 5. Pipeline; 6. Filter shell; 7. Spring 2; 8. Filter tank; 9. Oil drain port; 10. Oil collecting chamber; 11. Partition plate; 12. Opening; 13. Working shell; 14. Push rod; 15. Air outlet; 16. Outlet pipe; 17. Air inlet; 18. Working chamber; 19. Movable shell; 20. Bellows; 21. Cavity 1; 22. Oil removal net; 23. Oil removal port; 24. Oil removal path; 2 5. Push block; 26. Oil outlet; 27. Outlet; 28. L-shaped lock block; 29. ​​Mounting hole; 30. Blocking plate; 31. Baffle; 32. Rotating shaft; 33. Mounting cavity; 34. Check valve; 35. Opening groove; 36. Bolt; 37. Box body; 38. Condenser; 39. Drying box; 40. Air outlet pipe; 41. Filter box; 42. Fan; 43. First air inlet pipe; 44. Second air inlet pipe; 45. Air outlet pipe; 46. Filter; 47. Activated carbon filter. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0018] The present invention provides the following embodiments Example 1 The embodiment of the present invention provides a compressor air drying device, such as Figure 1-Figure 6 As shown, it includes: an oil removal filter 1, a dust removal filter 2, a dryer 3 and an air storage tank 4 which are sequentially connected through a pipeline 5, and a check valve 34 is installed on the pipeline 5 between the dryer 3 and the air storage tank 4.

[0019] The working principle and beneficial effects of the above technical solution are as follows: after the air is output through the compressor, it first passes through the oil removal filter 1 to remove the oil discharged by the compressor to ensure that the subsequent processing unit is not contaminated by oil. The air passing through the oil removal filter 1 enters the dust removal filter 2 to further remove dust particles in the air to ensure that the filtered air is as clean as possible. The air after dust removal enters the dryer 3, where moisture in the air is removed by condensation or adsorption to ensure that the humidity of the compressed air is reduced to a minimum. The dried air enters the air storage tank 4, which stores the dried air for use by the system to ensure the stability of the air supply. The check valve 34 installed between the dryer 3 and the air storage tank 4 ensures that the air can only flow in one direction to avoid backflow, thereby ensuring the cleanliness of the air and the stability of the system. The air passes through the oil removal filter 1, the dust removal filter 2, the dryer 3 and the air storage tank 4, which are connected in sequence through the pipeline 5, and a check valve 34 is provided on the pipeline 5 between the dryer 3 and the air storage tank 4. This design can effectively remove oil, dust and moisture from the air, thereby improving the overall efficiency of the compressor system and ensuring the cleanliness of the compressed air, preventing moisture and impurities from damaging the equipment.

[0020] Example 2 On the basis of Example 1, Figure 1-Figure 6 As shown, the oil removal filter 1 includes a filter shell 6, a filter tank 8 and an oil collecting chamber 10 are provided inside the filter shell 6, a partition 11 is fixedly provided between the filter tank 8 and the oil collecting chamber 10, and the partition 11 is provided with an opening 12, an oil discharge port 9 is provided at the lower end of the filter shell 6, a block is provided in the oil discharge port 9, an air inlet 17 is provided at the upper end of the filter shell 6, an air outlet 15 is provided at the left end of the filter shell 6, the air inlet 17 and the air outlet 15 are both connected with the pipeline 5, the air inlet 17, the filter tank 8, the opening 12, the oil collecting chamber 10 and the oil discharge port 9 are connected in sequence from top to bottom, the right end of the filter tank 8 is the direction of the opening 12, a working component is slidably provided in the filter tank 8, and the working component is connected with the control component; The working assembly includes a working shell 13 which is slidably connected to the filter tank 8. A working chamber 18 is provided inside the working shell 13. A bellows 20 is provided at the upper end of the working chamber 18. The bellows 20 is correspondingly connected to the air inlet 17. The bellows 20 is connected to the cavity 21 inside the movable shell 19 through a connecting hole. Baffles 31 are symmetrically provided on the left and right sides of the connecting hole. A spring 27 is fixedly provided between the baffle 31 and the cavity 21. The baffle 31 and the connecting hole are rotatably connected through a rotating shaft 32. The rotating shaft 32 is electrically connected to the angle sensor. An oil removal net 22 is tilted in the cavity 21. The left end of the cavity 1 21 is connected with the outlet 27, and the outlet 27 is connected with the working chamber 18. The left end of the working chamber 18 is connected with an outlet pipe 165, and the outlet pipe 165 is matched with the air outlet 15. The end of the working shell 13 away from the outlet pipe 165 is provided with a mounting cavity 33, and a plugging plate 30 is matched in the mounting cavity 33. The plugging plate 30 is penetrated with a mounting hole 29, and the mounting hole 29 is slidably connected with the horizontal end of the L-shaped locking block 28L. The vertical end of the L-shaped locking block 28L is set corresponding to the vertical end of the working shell 13, and the horizontal end of the L-shaped locking block 28L is fixedly connected with the movable shell 19; The working component also includes an oil outlet 26 arranged at the lower end of the movable shell 19, the cavity 121 is connected to the oil outlet 26, the oil outlet 26 is connected to the oil removal path 24, the oil removal path 24 is arranged on the push block 25, the oil removal path 24 is connected to the oil removal port 23, the oil removal port 23 is connected to the opening 12, the inclined end of the push block 25 is arranged correspondingly to the inclined end of the movable shell 19, the push block 25 is fixedly connected to the push rod 14, and the side end of the push rod 14 passing through the working chamber 18 is fixedly connected to the side end of the filter tank 8.

[0021] The working principle and beneficial effects of the above technical solution are as follows: the filter shell 6 is provided to protect the working shell 13 and its internal structure. When the oil-gas mixture enters the cavity 21 through the air inlet 17 and the bellows 20, the baffle 31 rotates, and the oil-gas mixture passes through the oil removal net 22. The oil removal net 22 filters the oil in the oil-gas mixture and separates the oil-gas mixture into oil and compressed air. The compressed air enters the working chamber 18 through the outlet 27, and then flows into the pipeline 5 through the outlet pipe 165 and the air outlet 15. The oil filtered by the oil removal net 22 flows into the collecting In the oil chamber 10, the oil collecting chamber 10 is used to collect oil, and an oil drain port 9 is set. The oil in the oil collecting chamber 10 can be discharged by opening the block, thereby completing the purpose of separating the oil-gas mixture. When too many impurities are accumulated on the oil removal net 22 of the oil removal filter 1, the working shell 13 can be automatically moved out of the filter tank 8 when the oil-gas mixture is not introduced into the air inlet 17, reminding the staff to replace and maintain the oil removal net 22 in time. At the same time, the block 30 and the L-shaped locking block 28L are automatically unlocked, and the bolt 36 is loosened to take out the movable shell 19. The operation is convenient and quick. At this time, the movable shell 19 and the working shell 13 are separated, which is convenient for the staff to maintain the movable shell 19 and the working shell 13 separately.

[0022] Example 3 On the basis of Example 2, Figure 1-Figure 6 As shown, the dryer 3 includes a box body 37, a condenser 38 is fixedly mounted on one inner wall of the box body 37, a drying box 39 is fixedly mounted on one inner wall of the box body 37, one end of an air outlet pipe 40 is connected to the drying box 39, and an air inlet fan 42 is arranged in the box body 37; The air inlet fan 42 structure includes a filter box 41, a fan 42, a first air inlet pipe 43, a second air inlet pipe 44, an air outlet pipe 45, a filter screen 46 and an activated carbon filter screen 47. The filter box 41 is fixedly installed on the bottom inner wall of the box body 37, and the fan 42 is fixedly installed on the bottom inner wall of the box body 37. One end of the first air inlet pipe 43 is connected to the fan 42, one end of the second air inlet pipe 44 is connected to the filter box 41, and the other end of the second air inlet pipe 44 is connected to the fan 42. One end of the air outlet pipe 45 is connected to the filter box 41, and the filter screen 46 and the activated carbon filter screen 47 are both arranged in the filter box 41.

[0023] The working principle and beneficial effects of the above technical solution are as follows: when in use, the fan 42 and the drying box 39 are started, the condenser 38 emits cold air, the fan 42 allows the air to enter the filter box 41 through the first air inlet pipe 43 and the second air inlet pipe 44, the filter 46 allows the dust and particulate matter in the air to continue to stay in the filter box 41, the filter 46 can also preliminarily absorb the moisture in the air, the activated carbon filter 47 can more effectively absorb other odors in the air, the filtered air is blown out through the air outlet pipe 45 and passes through the condenser 38, the cold air emitted from the condenser 38 causes most of the moisture in the air to condense into water droplets, and the drying box 39 allows the remaining moisture in the air to evaporate, and the remaining air will be discharged through the outlet pipe 40. The air will generate pressure when it is discharged, and the dust and particulate matter in the air can continue to stay in the filter box 41 through the filter screen 46. The filter screen 46 can also preliminarily absorb the moisture in the air; other odors in the air can be more effectively absorbed through the activated carbon filter 47; air can enter the device through the filter box 41, the fan 42, the first air inlet pipe 43, the second air inlet pipe 44 and the air outlet pipe 45, which can be used to discharge the dried air. When the device is not in use, it can effectively prevent dust from entering the device.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A compressor air drying device, characterized in that: include: The oil removal filter (1), the dust removal filter (2), the dryer (3) and the air storage tank (4) are sequentially connected via a pipeline (5), and a check valve (34) is installed on the pipeline (5) between the dryer (3) and the air storage tank (4).

2. A compressor air drying device according to claim 1, characterized in that: The oil removal filter (1) comprises a filter shell (6), wherein a filter tank (8) and an oil collecting chamber (10) are provided inside the filter shell (6), a partition plate (11) is fixedly provided between the filter tank (8) and the oil collecting chamber (10), the partition plate (11) is provided with an opening (12), an oil discharge port (9) is provided at the lower end of the filter shell (6), a block is provided in the oil discharge port (9), an air inlet (17) is provided at the upper end of the filter shell (6), an air outlet (15) is provided at the left end of the filter shell (6), the air inlet (17) and the air outlet (15) are both connected to the pipeline (5), the air inlet (17), the filter tank (8), the opening (12), the oil collecting chamber (10) and the oil discharge port (9) are connected in sequence from top to bottom, the right end of the filter tank (8) is in the direction of the opening (12), a working component is slidably provided in the filter tank (8), and the working component is connected to the control component.

3. A compressor air drying device according to claim 2, characterized in that: The working assembly comprises a working shell (13) slidably connected to the filter tank (8) in the left and right directions, a working chamber (18) is provided inside the working shell (13), a bellows (20) is provided at the upper end of the working chamber (18), the bellows (20) is correspondingly connected to the air inlet (17), the bellows (20) is connected to the cavity 1 (21) inside the movable shell (19) through a connecting hole, baffles (31) are symmetrically provided on the left and right sides of the connecting hole, a spring 2 (7) is fixedly provided between the baffle (31) and the cavity 1 (21), the baffle (31) and the side wall of the connecting hole are rotatably connected through a rotating shaft (32), the rotating shaft (32) is electrically connected to the angle sensor, an oil removal net (22) is obliquely provided in the cavity 1 (21), and the cavity The left end of the one (21) is communicated with the outlet (27), the outlet (27) is communicated with the working chamber (18), the left end of the working chamber (18) is communicated with an outlet pipe (16) (5), the outlet pipe (16) (5) is matched with the air outlet (15), an installation chamber (33) is provided at one end of the working shell (13) away from the outlet pipe (16) (5), a blocking plate (30) is matched in the installation chamber (33), a mounting hole (29) is penetrated in the blocking plate (30), the mounting hole (29) is slidably connected to the horizontal end of the L-shaped locking block (28), the vertical end of the L-shaped locking block (28L) is arranged corresponding to the vertical end of the working shell (13), and the horizontal end of the L-shaped locking block (28L) is fixedly connected to the movable shell (19).

4. A compressor air drying device according to claim 3, characterized in that: The working assembly further comprises an oil outlet (26) arranged at the lower end of the movable shell (19), the cavity 1 (21) is in communication with the oil outlet (26), the oil outlet (26) is in communication with an oil removal path (24), the oil removal path (24) is arranged on the push block (25), the oil removal path (24) is in communication with an oil removal port (23), the oil removal port (23) is in communication with the opening (12), the inclined end of the push block (25) is arranged in communication with the inclined end of the movable shell (19), the push block (25) is fixedly connected to the push rod (14), and the side end of the push rod (14) passing through the working chamber (18) is fixedly connected to the side end of the filter tank (8).

5. The compressor air drying device according to claim 1, characterized in that: The dryer (3) comprises a box body (37), a condenser (38) fixedly mounted on an inner wall of one side of the box body (37), a drying box (39) fixedly mounted on an inner wall of one side of the box body (37), one end of an air outlet pipe (40) being connected to the drying box (39), and an air inlet fan (42) being arranged in the box body (37).

6. A compressor air drying device according to claim 5, characterized in that: The air inlet (42) structure comprises a filter box (41), a fan (42), a first air inlet pipe (43), a second air inlet pipe (44), an air outlet pipe (45), a filter screen (46) and an activated carbon filter screen (47); the filter box (41) is fixedly mounted on the bottom inner wall of the box body (37); the fan (42) is fixedly mounted on the bottom inner wall of the box body (37); one end of the first air inlet pipe (43) is connected to the fan (42); one end of the second air inlet pipe (44) is connected to the filter box (41); the other end of the second air inlet pipe (44) is connected to the fan (42); one end of the air outlet pipe (45) is connected to the filter box (41); the filter screen (46) and the activated carbon filter screen (47) (46) are both arranged in the filter box (41).

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