Instrument air oil and liquid removal device

The combination of gas-liquid separation and differential dust filters through the swirl pipeline solves the problem of low efficiency in filtering oil and moisture in compressed air in the prior art, achieves a more efficient removal effect, and enhances the quality of the instrument wind and the safety of the control system.

CN222694339UActive Publication Date: 2025-04-01TIANJIN GELAN GAS COMPRESSION EQUIPMENT CO LTD
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Patent Information

Application Number
CN202421424940.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-01
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The prior art is not efficient when filtering out dust, oil and moisture from compressed air, causing rust in pipelines and instruments, affecting the safety of the control system, and is more likely to freeze in high-altitude areas.

Method used

Gas-liquid separation is performed through a cyclone pipeline to improve the filtration efficiency of oil mist and water vapor, and after filtration, a differential dust filter is used to filter high-pressure gas to prevent liquid residue.

Benefits of technology

It significantly improves the efficiency of oil and moisture removal, prevents liquid residue, enhances the quality and stability of the instrument wind, reduces the risks of rust and freezing, and improves the safety of the control system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gas meter accessory devices, and in particular to an instrument wind oil and liquid removal device, which performs gas-liquid separation through a cyclone pipeline to improve the filtering of oil mist and water vapor, and can also filter high-pressure gas through a differential dust filter after filtering to prevent liquid residue, thereby improving the removal efficiency, thereby enhancing the practicality of the instrument wind oil and liquid removal device; it includes a gas meter, a drain outlet is provided at the bottom end of the gas meter, a support assembly is provided at the bottom end of the gas meter, and also includes an air outlet pipe, a partition is provided inside the gas meter, the partition sets the inside of the gas meter as a first chamber and a second chamber, the top end of the air outlet pipe is sealed and inserted into the second chamber through the partition, the surface of the air outlet pipe is provided with spiral blades, the right end of the gas meter is provided with an air inlet pipe, and the top left and right ends of the gas meter are respectively provided with exhaust pipes.
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Description

Technical Field

[0001] The utility model relates to the technical field of gas meter accessory devices, in particular to an instrument air oil and liquid removal device. Background Art

[0002] Instrument air is the air that is compressed and cooled in the air compressor, and then filtered through a precision filter to remove dust, oil and moisture in the compressed air. The final instrument air provides power to various production gas equipment, such as pneumatic valves and instrument air used to control and display process parameters. Instrument air has high requirements for air quality and stable pressure, and the supply and outlet air pipelines must be open frequently. There are many methods to filter out dust, oil and moisture in compressed air, and the commonly used methods include chemical methods, mechanical methods and adsorption drying methods. Its efficiency in removing oil and moisture in the gas is not high. These oils and moisture will cause pipelines and instruments to rust, and the instruments will not work sensitively. If they are in high-altitude cold areas, they are more likely to freeze, affecting the safety of the control system. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an instrument air oil and liquid removal device that separates gas and liquid through a cyclone pipe, thereby improving the filtration of oil mist and water vapor, and after filtration, it can also filter the high-pressure gas through a differential dust filter to prevent liquid residue, thereby improving the removal efficiency, thereby enhancing the practicality of the instrument air oil and liquid removal device.

[0004] The utility model discloses an instrument air oil and liquid removal device, comprising a gas meter, a drain outlet is arranged at the bottom end of the gas meter, a support assembly is arranged at the bottom end of the gas meter, and an air outlet pipe is also arranged. A partition is arranged inside the gas meter, and the partition sets the inside of the gas meter as a first chamber and a second chamber, the top end of the air outlet pipe is sealed and inserted into the second chamber through the partition, spiral blades are arranged on the surface of the air outlet pipe, an air inlet pipe is arranged at the right end of the gas meter, exhaust pipes are respectively arranged at the left and right ends of the top of the gas meter, a cover assembly is arranged at the top of the gas meter, and a dust filter assembly is arranged in the second chamber.

[0005] The utility model discloses an instrument air oil and liquid removal device, wherein a dust filter is arranged at the bottom end of the air outlet pipe.

[0006] The instrument air oil and liquid removal device of the utility model also includes a pressure gauge, the left and right ends of the gas meter are respectively provided with sleeves, the inner ends of the sleeves are respectively provided with first threads, the left and right ends of the gas meter are respectively provided with first through holes, the two groups of first through holes are respectively connected with the sleeves, the inner ends of the two groups of pressure gauges are respectively provided with detection rods, the outer walls of the two groups of detection rods are respectively provided with second threads, and the two groups of first threads are respectively threadedly connected with the second threads.

[0007] The utility model discloses an instrument air oil and liquid removal device, a cover plate assembly comprises a cover plate and four groups of screws, the top of the gas meter is provided with four groups of mounting threaded holes, the top of the cover plate is provided with four groups of mounting through holes, and the four groups of screws are respectively threadedly connected with the mounting threaded holes through the mounting through holes.

[0008] The utility model discloses an instrument air oil and liquid removal device, wherein the support assembly comprises a fixed plate and four groups of legs, the bottom end of the gas meter is connected to the fixed plate, the bottom end of the fixed plate is connected to the four groups of legs, the top end of the fixed plate is provided with a third through hole, and the third through hole is connected to the water outlet pipe set.

[0009] The utility model discloses an instrument air oil and liquid removal device, a dust filtering assembly comprises two groups of fixed clamping rings, a dust filtering layer and two groups of supporting plates, the top end of the partition plate and the top end of the cover plate are respectively connected to the fixed clamping rings, the top end and the bottom end of the dust filtering layer are respectively connected to the supporting plates, the top ends of the two groups of supporting plates are respectively provided with second through holes, and the two groups of second through holes are respectively clamped with the fixed clamping rings.

[0010] The utility model discloses an instrument air oil and liquid removal device, wherein a sealing ring is arranged at the bottom end of the cover plate.

[0011] The utility model discloses an instrument air oil and liquid removal device, wherein the dust filtering component is a composite long-fiber spun-bonded polyester non-woven fabric.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: first, the gas meter is placed in a suitable position through the supporting assembly, and then the air inlet pipe and the exhaust pipe are connected to the upper and lower devices respectively, and then the drain pipe is connected to the sealed water container, and then the compressed gas enters the first chamber through the air inlet pipe, and then the compressed gas removes the liquid and oil mist in the gas through the spiral blades, and then enters the second chamber through the drain pipe, and the removed liquid will fall into the sealed container connected to the drain pipe due to gravity for collection, and then the compressed gas entering the second chamber will be filtered by the dust filter assembly, and then discharged through two sets of exhaust pipes, thereby preventing liquid residue, thereby improving the removal efficiency and thus enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the connection structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the connection structure between the cover plate and the sealing ring of the utility model;

[0015] Figure 3 It is a schematic diagram of the enlarged structure of the A part of the utility model;

[0016] Figure 4 It is a schematic diagram of the enlarged structure of the B part of the utility model;

[0017] Markings in the attached drawing: 1. gas meter; 2. drain outlet; 3. exhaust pipe; 4. partition; 5. first chamber; 6. second chamber; 7. spiral blade; 8. air inlet pipe; 9. dust filter; 10. pressure gauge; 11. sleeve; 12. detection rod; 13. cover plate; 14. screw; 15. fixing plate; 16. support leg; 17. fixing clamping ring; 18. support plate; 19. sealing ring; 20. dust filter layer; 21. exhaust pipe. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] like Figures 1 to 4 As shown, the instrument air oil and liquid removal device of the utility model comprises a gas meter 1, a drain port 2 is arranged at the bottom end of the gas meter 1, a support assembly is arranged at the bottom end of the gas meter 1, and an air outlet pipe 3 is also arranged. A partition plate 4 is arranged inside the gas meter 1, and the partition plate 4 sets the inside of the gas meter 1 as a first chamber 5 and a second chamber 6. The top end of the air outlet pipe 3 is sealed and inserted into the second chamber 6 through the partition plate 4, and a spiral blade 7 is arranged on the surface of the air outlet pipe 3. An air inlet pipe 8 is arranged at the right end of the gas meter 1, and exhaust pipes 21 are respectively arranged at the left and right ends of the top of the gas meter 1, a cover plate 13 assembly is arranged at the top of the gas meter 1, and a dust filter assembly is arranged in the second chamber 6; first, the gas meter is passed through The support assembly is placed in a suitable position, and then the air inlet pipe and the exhaust pipe are connected to the upper and lower devices respectively, and then the drain pipe is connected to the sealed water container, and then the compressed gas enters the first chamber through the air inlet pipe, and then the liquid and oil mist in the gas are removed by the spiral blades, and then enters the second chamber through the drain pipe, and the removed liquid will fall into the sealed container connected to the drain pipe due to gravity for collection, and then the compressed gas entering the second chamber will be filtered by the dust filter assembly, and then discharged through two sets of exhaust pipes, so as to prevent liquid residue, thereby improving the removal efficiency and thus enhancing practicality.

[0020] In the instrument air oil and liquid removal device of the utility model, a dust filter 9 is arranged at the bottom end of the air outlet pipe 3; dust in the air can be filtered by the dust filter, thereby enhancing practicality.

[0021] The instrument air oil and liquid removal device of the utility model also includes a pressure gauge 10. The left and right ends of the gas meter 1 are respectively provided with sleeves 11, the inner ends of the sleeves 11 are respectively provided with first threads, the left and right ends of the gas meter 1 are respectively provided with first through holes, and the two groups of first through holes are respectively connected with the sleeves 11. The inner ends of the two groups of pressure gauges 10 are respectively provided with detection rods 12, and the outer walls of the two groups of detection rods 12 are respectively provided with second threads, and the two groups of first threads are respectively threadedly connected with the second threads; the two groups of pressure gauges can be installed through the two groups of sleeves, and the pressures in the two groups of chambers can be detected through the two groups of pressure gauges, thereby enhancing practicality.

[0022] The instrument air oil and liquid removal device of the utility model, the cover plate 13 assembly includes a cover plate 13 and four groups of screws 14, the top of the gas meter 1 is provided with four groups of mounting threaded holes, the top of the cover plate 13 is provided with four groups of mounting through holes, the four groups of screws 14 are respectively threadedly connected with the mounting threaded holes through the mounting through holes; the cover plate can be installed by the four groups of screws, so as to facilitate the fixing and replacement of the dust filter assembly, thereby enhancing practicality.

[0023] The instrument air oil and liquid removal device of the utility model comprises a supporting assembly including a fixing plate 15 and four groups of legs 16. The bottom end of the gas meter 1 is connected to the fixing plate 15, the bottom end of the fixing plate 15 is connected to the four groups of legs 16, the top end of the fixing plate 15 is provided with a third through hole, and the third through hole is connected to the water outlet pipe set; the bottom of the gas meter can be supported by the fixing plate and the four groups of legs, thereby enhancing practicality.

[0024] The utility model discloses an instrument air oil and liquid removal device, a dust filtering assembly comprises two groups of fixed clamping rings 17, a dust filtering component and two groups of support plates 18, the top end of the partition plate 4 and the top end of the cover plate 13 are respectively connected to the fixed clamping rings 17, the top and bottom ends of the dust filtering layer 20 are respectively connected to the support plates 18, the top ends of the two groups of support plates 18 are respectively provided with second through holes, and the two groups of second through holes are respectively clamped with the fixed clamping rings 17; the two groups of fixed clamping rings and the two groups of support plates and the dust filtering layer can be fixedly clamped to facilitate secondary filtering of dust through the dust filtering layer, thereby enhancing practicality.

[0025] In the instrument air oil and liquid removal device of the utility model, a sealing ring 19 is arranged at the bottom end of the cover plate 13; the sealing ring can enhance the sealing performance between the cover plate and the gas meter, thereby enhancing the practicality.

[0026] The utility model discloses an instrument air oil and liquid removal device, wherein the dust filtering component is a composite long-fiber spunbonded polyester non-woven fabric; the composite long-fiber spunbonded polyester non-woven fabric has good high filtering accuracy, good waterproof and oil-proof performance, low resistance, large processing air volume, good stiffness and stability, antistatic property, high material strength and most importantly, washability, thereby enhancing practicality.

[0027] The instrument air oil and liquid removal device of the utility model, when working, firstly places the gas meter in a suitable position through the four groups of legs at the bottom end of the fixed plate, then connects the air intake pipe and the exhaust pipe with the upper and lower level devices respectively, then connects the drain pipe with the sealed water container, then the compressed gas enters the first chamber through the air intake pipe, then the compressed gas removes the liquid and oil mist in the gas through the spiral blades, then enters the second chamber through the drain pipe, and the removed liquid falls into the sealed container connected to the drain pipe due to gravity for collection, and then is removed The compressed gas after oil mist and liquid is initially filtered through the dust filter, and then discharged into the second chamber through the exhaust pipe, and then filtered through the dust filter layer for secondary filtration, and then the filtered gas is discharged through two sets of exhaust pipes. When the dust filter layer needs to be replaced, the cover is opened with four sets of screws, and then the clamped filter layer and two sets of support plates are taken out, and then the dust filter layer is cleaned, and then it is re-clamped between the two sets of clamped fixing rings through the two sets of support plates, and then the cover is fixed with four sets of screws.

[0028] The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

[0029] The “first”, “second” and “third” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An instrument air oil and liquid removal device, comprising a gas meter (1), a drain outlet (2) being arranged at the bottom of the gas meter (1), and a support assembly being arranged at the bottom of the gas meter (1); characterized in that: The invention also comprises an air outlet pipe (3), a partition (4) is arranged inside the gas meter (1), the partition (4) sets the inside of the gas meter (1) into a first chamber (5) and a second chamber (6), the top end of the air outlet pipe (3) is sealed and inserted into the second chamber (6) through the partition (4), a spiral blade (7) is arranged on the surface of the air outlet pipe (3), an air inlet pipe (8) is arranged at the right end of the gas meter (1), exhaust pipes (21) are arranged at the left and right ends of the top of the gas meter (1), a cover plate (13) assembly is arranged at the top of the gas meter (1), and a dust filter assembly is arranged in the second chamber (6).

2. The instrument air oil and liquid removal device according to claim 1, characterized in that: A dust filter (9) is provided at the bottom end of the air outlet pipe (3).

3. The instrument air oil and liquid removal device according to claim 2, characterized in that: The invention also comprises a pressure gauge (10), wherein the left and right ends of the gas meter (1) are respectively provided with sleeves (11), the inner ends of the sleeves (11) are respectively provided with first threads, the left and right ends of the gas meter (1) are respectively provided with first through holes, two groups of first through holes are respectively connected with the sleeves (11), the inner ends of the two groups of pressure gauges (10) are respectively provided with detection rods (12), the outer walls of the two groups of detection rods (12) are respectively provided with second threads, and the two groups of first threads are respectively threadedly connected with the second threads.

4. The instrument air oil and liquid removal device according to claim 3, characterized in that: The cover plate (13) assembly comprises a cover plate (13) and four groups of screws (14); the top of the gas meter (1) is provided with four groups of mounting threaded holes; the top of the cover plate (13) is provided with four groups of mounting through holes; the four groups of screws (14) are respectively threadedly connected with the mounting threaded holes through the mounting through holes.

5. The instrument air oil and liquid removal device according to claim 4, characterized in that: The support assembly comprises a fixing plate (15) and four groups of supporting legs (16); the bottom end of the gas meter (1) is connected to the fixing plate (15); the bottom end of the fixing plate (15) is connected to the four groups of supporting legs (16); a third through hole is provided at the top end of the fixing plate (15); and the third through hole is connected to the water outlet pipe sleeve.

6. The instrument air oil and liquid removal device according to claim 5, characterized in that: The dust filter assembly comprises two groups of fixed clamping rings (17), a dust filter and two groups of support plates (18); the top end of the partition plate (4) and the top end of the cover plate (13) are respectively connected to the fixed clamping rings (17); the top end and the bottom end of the dust filter layer (20) are respectively connected to the support plates (18); the top ends of the two groups of support plates (18) are respectively provided with second through holes; and the two groups of second through holes are respectively clamped to the fixed clamping rings (17).

7. The instrument air oil and liquid removal device according to claim 6, characterized in that: A sealing ring (19) is provided at the bottom end of the cover plate (13).

8. The instrument air oil and liquid removal device according to claim 7, characterized in that: The dust filtering member is configured as a composite long-fiber spunbonded polyester non-woven fabric.