Automatic control secondary filtering smoke exhaust fan for lubricating system
By designing an automatically controlled secondary filtration smoke exhaust fan, using multi-stage filtration and deposition recovery technology, the lubricant oil deterioration and consumption problems caused by oil fume and water mist in the lubricant system are solved, and efficient oil mist filtration and waste oil collection and treatment are achieved.
Patent Information
- Application Number
- CN202421310170.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-11
AI Technical Summary
In the existing lubricating oil systems, oil fume and water mist cause deterioration and consumption of lubricating oil, and the commonly used smoke exhaust fans have problems such as simple filter structure and poor filtering effect.
An automatically controlled secondary filtering smoke exhaust fan is designed, including air inlet oil pipes, centrifugal fans, primary and secondary oil mist filter elements, deposition return pipes and depositioners. Through multi-stage filtration and deposition recovery, effective filtration of oil mist and waste oil collection and treatment are achieved.
It significantly improves the oil mist filtration treatment effect, reduces lubricant losses, reduces pollution, and ensures the effective and safe operation of the equipment.
Smart Images

Figure CN222558810U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lubrication system accessories, in particular to an automatically controlled two-stage filtering smoke exhaust fan for a lubrication system. Background Art
[0002] At present, when the oil station of the lubricating oil system is running, oil smoke and water mist will be generated. Generally, the oil tank will be connected to the outside, and oil smoke and water mist will still be generated and accumulated in the oil tank, deteriorating the oil quality. In order to solve the impact of oil smoke and water mist on lubricating oil, the commonly used solution is to install an oil smoke exhaust fan on the top of the oil tank to lead the oil mist to be discharged outside the factory, causing a large number of oil particles to be discharged together with the oil mist, accelerating the consumption of lubricating oil in the lubrication system.
[0003] For example, a suction oil mist separator with a coalescing filter element, disclosed in the publication number CN201482364U, comprises a filter cartridge, a coalescing filter element in the shape of "W" is installed in the filter cartridge, an oil mist inlet is provided at the bottom of the filter cartridge, a liquid level controller is installed on the inner wall of the filter cartridge near the bottom of the cartridge, an oil return port is provided at the bottom of the filter cartridge near the coalescing filter element, an oil return pipe is connected to the oil return port, and a solenoid valve electrically connected to the liquid level controller is installed on the oil return pipe. An air suction pipe is connected to the side wall of the filter cartridge near the top, the air suction pipe is connected to the vortex fan, the connection between the air suction pipe and the side wall of the filter cartridge is located above the coalescing filter element, and a filter cartridge cover is sealed at the top of the filter cartridge. The utility model can recover the lubricating oil condensed from the coalescing filter element into the oil tank of the oil lubrication system, thereby reducing the loss of lubricating oil and eliminating the external exhaust pipe of the conventional exhaust fan, reducing pollution, and preventing oil mist and oil smoke from being sucked into the host system, thereby ensuring effective and safe operation of the equipment.
[0004] The above technical solution has the problems of simple filtering structure and poor filtering effect in practical application.
[0005] Therefore, it is necessary to invent an automatic controlled two-stage filtering smoke exhaust fan for a lubrication system to solve the above problems. Utility Model Content
[0006] The utility model aims to provide an automatically controlled two-stage filtering smoke exhaust fan for a lubrication system to solve the problems raised in the above-mentioned background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatically controlled two-stage filtering smoke exhaust fan for a lubrication system, comprising an air inlet oil pipe, centrifugal fans are arranged on both sides of the air inlet oil pipe, and the input end of the centrifugal fan is connected to the air inlet oil pipe through a three-way pipe, a first-level oil mist filter is arranged between the input end of the centrifugal fan and the three-way pipe, a first-level sedimentation oil return pipe is arranged on the outside of the first-level oil mist filter, a sedimentator is arranged below the air inlet oil pipe, and the first-level sedimentation oil return pipe It is fixedly arranged at one end of the tee pipe, and the bottom end of the first-level sedimentation oil return pipe is penetrated through one end of the sedimentator, an air outlet oil pipe is arranged between the two centrifugal fans, and a check valve is fixedly arranged between the output end of the centrifugal fan and the air outlet oil pipe, a second-level oil mist filter is arranged between the check valve and the air outlet oil pipe, a second-level sedimentation oil return pipe is arranged on the outside of the second-level oil mist filter, the second-level sedimentation oil return pipe is fixedly arranged at the bottom end of the air outlet oil pipe, and the bottom end of the second-level sedimentation oil return pipe is penetrated through the middle of the sedimentator.
[0008] Preferably, an oil drain ball valve is provided through the outer bottom end of the depositor.
[0009] Preferably, one end of the primary oil mist filter element and the secondary oil mist filter element are both provided with a sealing end fixed by bolts.
[0010] Preferably, a butterfly valve is provided between the input end of the centrifugal fan and the three-way pipe, and the butterfly valve is configured to be self-powered or electric.
[0011] Preferably, a vacuum pressure gauge is fixedly arranged between the input end of the centrifugal fan and the butterfly valve.
[0012] Preferably, one end of the primary oil mist filter element away from the sealing end is fitted with the three-way pipe, and one end of the secondary oil mist filter element away from the sealing end is fitted with the air outlet oil pipe.
[0013] Technical effects and advantages of the utility model:
[0014] 1. The utility model provides an air inlet oil pipe, a centrifugal fan and an air outlet oil pipe, which form an oil mist filtration system. A primary oil mist filter element and a secondary oil mist filter element are provided between the air inlet oil pipe and the air outlet oil pipe. The primary oil mist filter element and the secondary oil mist filter element can be filtered from inside to outside and from outside to inside respectively, thereby effectively improving the oil mist filtration treatment effect.
[0015] 2. The utility model provides a primary oil mist filter element and a secondary oil mist filter element. The primary sedimentation oil return pipe and the secondary sedimentation oil return pipe are respectively provided at the corresponding positions of the primary oil mist filter element and the secondary oil mist filter element. The primary sedimentation oil return pipe and the secondary sedimentation oil return pipe are both connected to the sedimentator. The waste oil filtered out during the operation of the device can enter the sedimentator through the primary sedimentation oil return pipe and the secondary sedimentation oil return pipe, thereby realizing the collection and treatment of the waste oil, so as to facilitate the filtering work. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0017] Figure 2 It is a front schematic diagram of the overall structure of the utility model.
[0018] Figure 3 It is a schematic cross-sectional view of the overall structure of the utility model.
[0019] Figure 4 It is a side schematic diagram of the overall structure of the utility model.
[0020] Figure 5 It is a cross-sectional schematic diagram of the oil pipe of the air outlet of the utility model.
[0021] Figure 6 This is a schematic diagram of the structure of the depositor of the utility model.
[0022] In the figure: 1. Air inlet oil pipe; 2. Centrifugal fan; 3. Primary oil mist filter element; 4. Primary sedimentation oil return pipe; 5. Sedimentator; 6. Air outlet oil pipe; 7. Check valve; 8. Secondary oil mist filter element; 9. Secondary sedimentation oil return pipe; 10. Drain ball valve; 11. Sealing end; 12. Butterfly valve; 13. Vacuum pressure gauge. DETAILED DESCRIPTION
[0023] 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 in 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.
[0024] The utility model provides Figure 1-6An automatic controlled two-stage filtering smoke exhaust fan for a lubrication system shown in the figure comprises an air inlet oil pipe 1, centrifugal fans 2 are arranged on both sides of the air inlet oil pipe 1, and the input end of the centrifugal fan 2 is connected to the air inlet oil pipe 1 through a tee pipe, a primary oil mist filter 3 is arranged between the input end of the centrifugal fan 2 and the tee pipe, a primary sedimentation oil return pipe 4 is arranged on the outside of the primary oil mist filter 3, a sedimentator 5 is arranged below the air inlet oil pipe 1, the primary sedimentation oil return pipe 4 is fixedly arranged at one end of the tee pipe, and the bottom end of the primary sedimentation oil return pipe 4 penetrates through one end of the sedimentator 5;
[0025] Specifically, an air outlet oil pipe 6 is provided between the two centrifugal fans 2, and a check valve 7 is fixedly provided between the output end of the centrifugal fan 2 and the air outlet oil pipe 6, a secondary oil mist filter 8 is provided between the check valve 7 and the air outlet oil pipe 6, a secondary sedimentation oil return pipe 9 is provided outside the secondary oil mist filter 8, the secondary sedimentation oil return pipe 9 is fixedly provided at the bottom end of the air outlet oil pipe 6, and the bottom end of the secondary sedimentation oil return pipe 9 is provided through the middle of the sedimentator 5;
[0026] More specifically, an oil drain ball valve 10 is provided through the outer bottom end of the sedimentator 5, and the waste oil in the sedimentator 5 can be discharged and processed through the drain ball valve 10;
[0027] In addition, one end of the primary oil mist filter 3 and the secondary oil mist filter 8 are both fixed with a sealing end 11 by bolts, and one end of the primary oil mist filter 3 away from the sealing end 11 is fitted with the three-way pipe, and the oil smoke can enter through one end of the primary oil mist filter 3 and pass through the primary oil mist filter 3 to be discharged outward, so as to achieve filtering from the inside to the outside, and one end of the secondary oil mist filter 8 away from the sealing end 11 is fitted with the air outlet oil pipe 6, and the oil smoke can pass through the outside of the secondary oil mist filter 8 to enter the inside thereof, and then enter the air outlet oil pipe 6 through one end of the secondary oil mist filter 8, so as to achieve filtering of the oil smoke from the outside to the inside;
[0028] Moreover, a butterfly valve 12 is arranged between the input end of the centrifugal fan 2 and the three-way pipe. The butterfly valve 12 is set to be self-powered or electric. A vacuum pressure gauge 13 is fixedly arranged between the input end of the centrifugal fan 2 and the butterfly valve 12. The vacuum pressure gauge 13 can detect the air pressure state in the filter pipeline. The amount of oil smoke entering the device can be controlled through the butterfly valve 12 to achieve control of the gas processing amount of the device.
[0029] Working principle of this utility model:
[0030] When the device is in use, two groups of centrifugal fans 2 cooperate to suck the oil smoke with water mist through the air inlet oil pipe 1, and the oil smoke enters the three-way pipe through the air inlet oil pipe 1, and then passes through the primary oil mist filter element 3 from the inside to the outside. At this time, the oil smoke completes the first filtration, and the waste oil filtered out of the first filtration enters the sedimentator 5 through the primary sedimentation return oil pipe 4. The oil smoke after the first filtration passes through the secondary oil mist filter element 8 under the guidance of the centrifugal fan 2 and enters the air outlet oil pipe 6 for discharge. In this process, the oil smoke passes through the secondary oil mist filter element 8 from the outside to the inside to complete the secondary filtration, and the waste oil generated by the secondary filtration enters the sedimentator 5 through the secondary sedimentation return oil pipe 9. At this point, the filtration treatment of the oil smoke can be completed, and the waste oil in the sedimentator 5 can be discharged through the sewage ball valve 10.
[0031] During the operation of the device, the vacuum pressure gauge 13 can detect the air pressure state in the filter pipeline, and the amount of oil smoke entering the device can be controlled through the butterfly valve 12 to achieve control of the gas processing capacity of the device.
[0032] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. An automatically controlled two-stage filtering smoke exhaust fan for a lubrication system, comprising an air inlet oil pipe (1), characterized in that: Centrifugal fans (2) are arranged on both sides of the air inlet oil pipe (1), and the input end of the centrifugal fan (2) is connected to the air inlet oil pipe (1) via a three-way pipe, a first-level oil mist filter (3) is arranged between the input end of the centrifugal fan (2) and the three-way pipe, a first-level sedimentation oil return pipe (4) is arranged on the outside of the first-level oil mist filter (3), a sedimentator (5) is arranged below the air inlet oil pipe (1), the first-level sedimentation oil return pipe (4) is fixedly arranged at one end of the three-way pipe, and the bottom end of the first-level sedimentation oil return pipe (4) passes through the sedimentation oil return pipe (5). At one end of the sedimentator (5), an air outlet oil pipe (6) is arranged between the two centrifugal fans (2), and a check valve (7) is fixedly arranged between the output end of the centrifugal fan (2) and the air outlet oil pipe (6), a secondary oil mist filter (8) is arranged between the check valve (7) and the air outlet oil pipe (6), a secondary sedimentation oil return pipe (9) is arranged outside the secondary oil mist filter (8), the secondary sedimentation oil return pipe (9) is fixedly arranged at the bottom end of the air outlet oil pipe (6), and the bottom end of the secondary sedimentation oil return pipe (9) is arranged through the middle of the sedimentator (5).
2. The automatic controlled two-stage filtering smoke exhaust fan for a lubrication system according to claim 1, characterized in that: An oil drain ball valve (10) is provided through the outer bottom end of the depositor (5).
3. The automatic controlled two-stage filtering smoke exhaust fan for a lubrication system according to claim 2, characterized in that: One end of each of the primary oil mist filter element (3) and the secondary oil mist filter element (8) is fixed with a sealing end (11) by means of bolts.
4. The automatic controlled two-stage filtering smoke exhaust fan for a lubrication system according to claim 3, characterized in that: A butterfly valve (12) is provided between the input end of the centrifugal fan (2) and the three-way pipe, and the butterfly valve (12) is configured to be self-powered or electric.
5. The automatic controlled two-stage filtering smoke exhaust fan for a lubrication system according to claim 4, characterized in that: A vacuum pressure gauge (13) is fixedly arranged between the input end of the centrifugal fan (2) and the butterfly valve (12).
6. The automatic controlled two-stage filtering smoke exhaust fan for a lubrication system according to claim 5, characterized in that: One end of the primary oil mist filter (3) away from the sealing end (11) is fitted with the three-way pipe, and one end of the secondary oil mist filter (8) away from the sealing end (11) is fitted with the air outlet oil pipe (6).
Citation Information
Patent Citations
Suction type oil mist separator with coalescence type filtering element
CN201482364U