CN111780462B - Oil-gas separation device - Google Patents

Oil-gas separation device Download PDF

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Publication number
CN111780462B
CN111780462B CN202010664957.1A CN202010664957A CN111780462B CN 111780462 B CN111780462 B CN 111780462B CN 202010664957 A CN202010664957 A CN 202010664957A CN 111780462 B CN111780462 B CN 111780462B
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China
Prior art keywords
baffle
air
baffle plate
oil
state
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Expired - Fee Related
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CN202010664957.1A
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Chinese (zh)
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CN111780462A (en
Inventor
谢飞飞
周聪
梁程
李英涛
姚德新
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/04Condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Separating Particles In Gases By Inertia (AREA)

Abstract

The invention discloses an oil-gas separation device, which comprises a shell, a first baffle, a second baffle and a driving mechanism, wherein an air inlet and an air outlet are formed in the shell, an air duct is formed in the shell and is communicated with the air inlet and the air outlet, the first baffle and the second baffle are arranged in the air duct and are sequentially overlapped along the air supply direction, through holes are formed in the first baffle and/or the second baffle, the first baffle and the second baffle can be movably arranged relatively to have a first state that the through holes are completely opened and a second state that the through holes are at least partially shielded, and the driving mechanism is arranged in the shell and is used for driving at least one of the first baffle and the second baffle to move so as to enable the first baffle and the second baffle to be switched between the first state and the second state. In the embodiment provided by the invention, the first baffle and the second baffle are relatively movable, so that the through holes on the first baffle are completely opened or partially shielded, the flow area during oil-gas separation is adjusted, and the oil-gas separation requirements in different gas flow ranges are met.

Description

Oil-gas separation device
Technical Field
The invention relates to the technical field of oil-gas separation, in particular to an oil-gas separation device.
Background
Some precision equipment or instruments require the content of liquid particles contained in the introduced gas, such as the humidity, the oil-gas content and the like of a certain gas, and may affect some precision instruments. For example, some devices or instruments require gas input at a particular humidity, some devices prohibit gas input above a certain oil and gas content, etc. Precise control of the hydrocarbon content of the input gas is required for the needs of these devices and instruments.
Common oil-gas separation modes include a buffer condensation cavity mode, a labyrinth baffle mode and the like. However, the structures of the buffering condensation cavity and the labyrinth baffle are fixed, and the oil-gas separation device cannot be applied to oil-gas separation under the conditions of different gas flow rates.
Disclosure of Invention
The invention mainly aims to provide an oil-gas separation device, and aims to provide an oil-gas separation device capable of realizing oil-gas separation under the conditions of different gas flow rates.
In order to achieve the above object, the present invention provides an oil-gas separation device, comprising:
the air conditioner comprises a shell, a fan and a control device, wherein an air inlet and an air outlet are formed in the shell, and an air duct is formed in the shell and communicated with the air inlet and the air outlet;
the first baffle and the second baffle are arranged in the air duct, are sequentially overlapped in the air supply direction, are provided with through holes and can be relatively movably arranged so as to have a first state that the through holes are completely opened and a second state that the through holes are at least partially shielded;
the driving mechanism is arranged on the shell and used for driving at least one of the first baffle plate and the second baffle plate to move so as to enable the first baffle plate and the second baffle plate to be switched between the first state and the second state.
In an embodiment, the first baffle and the second baffle are respectively provided with a plurality of through holes, in the first state, the through holes of the first baffle and the second baffle are completely overlapped, in the second state, the through holes of the first baffle and the second baffle are partially overlapped, the first baffle and the second baffle are synchronously and rotatably mounted on the housing, and the driving mechanism is used for driving the first baffle and the second baffle to synchronously rotate, so that the first baffle and the second baffle are switched between the first state and the second state.
In an embodiment, the first baffle and the second baffle are rotatably connected to the housing to have a rotating end and a free end rotating around the rotating end, the air duct has an air inlet section, an arc-shaped section and an air outlet section in sequence along the air supply direction, and the inner wall of the air duct is at least partially arranged in an arc shape in the arc-shaped section and is matched with the free end, so that the free end abuts against the inner wall of the air duct in the process of driving and rotating the first baffle and the second baffle.
In an embodiment, the ventilation area of the air inlet section is larger than that of the air outlet section, and the ventilation area of the arc-shaped section is gradually reduced from the air inlet section to the air outlet section.
In an embodiment, the upper ends of the first baffle and the second baffle are rotatably connected to the casing, the inner bottom wall of the air duct is arranged in an arc shape at the arc-shaped section, and is arranged in a downward bending manner from the air outlet section to the air inlet section, an oil return hole is formed in the inner bottom wall, and the oil return hole is formed in the adjacent position of the arc-shaped section and the air inlet section.
In an embodiment, the driving mechanism includes a driving element and a resetting element, the driving element is disposed in the air duct and is configured to drive the first baffle and the second baffle to switch from the first state to the second state, and the resetting element is configured to drive the first baffle and the second baffle to switch from the second state to the first state.
In one embodiment, the driving member is disposed on a side of the first baffle plate facing the air inlet, and includes a driving cylinder, and a cylinder rod of the driving cylinder abuts against the first baffle plate;
the reset piece is arranged on one side, facing the air outlet, of the second baffle plate and comprises a spring, one end of the spring is connected to the shell, and the other end of the spring is connected to the second baffle plate and the first baffle plate.
In an embodiment, a piston plate is arranged in the air chamber of the driving cylinder to divide the air chamber into a first air chamber and a second air chamber, one end of the cylinder rod is connected to the piston plate, the other end of the cylinder rod abuts against the first baffle plate, a first pressure pipe and a second pressure pipe are arranged on the shell, the first pressure pipe is communicated with the first air chamber, the second pressure pipe is communicated with the second air chamber, and air pressure in the first pressure pipe and the second pressure pipe is adjustable.
In an embodiment, the oil-gas separation device further includes an airflow sensor and a controller, the airflow sensor is disposed in the air duct to detect airflow data in the air duct, and the controller is electrically connected to the airflow sensor and the first and second pressure pipes to adjust air pressures in the first and second pressure pipes according to the airflow data.
In one embodiment, an oil return pipeline is arranged outside the shell, extends along the vertical direction and is in butt joint with the oil return hole;
the oil return pipeline is detachably arranged on the shell; or,
the oil return pipeline is provided with a telescopic structure, so that the length of the oil return pipeline in the vertical direction can be adjusted.
The invention provides an oil-gas separation device which comprises a shell, a first baffle, a second baffle and a driving mechanism, wherein an air inlet and an air outlet are formed in the shell, an air duct is formed in the shell and is communicated with the air inlet and the air outlet, the first baffle and the second baffle are arranged in the air duct, the first baffle and the second baffle are sequentially overlapped in the air supply direction, through holes are formed in the first baffle and/or the second baffle, the first baffle and the second baffle can be movably arranged relatively to have a first state that the through holes are completely opened and a second state that the through holes are at least partially shielded, the driving mechanism is arranged in the shell and is used for driving at least one of the first baffle and the second baffle to move so as to enable the first baffle and the second baffle to be switched between the first state and the second state. In the embodiment provided by the invention, the first baffle and the second baffle are relatively movable, so that the through holes on the first baffle are completely opened or partially shielded, the flow area during oil-gas separation is adjusted, and the oil-gas separation requirements in different gas flow ranges are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a cut-away schematic view of an oil-gas separation device provided by the present invention;
FIG. 2 is a front view of the first baffle of FIG. 1;
fig. 3 is a schematic perspective view of the first baffle and the second baffle in fig. 1.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
10 Shell body 131 Air inlet section
11 Air inlet 132 Arc segment
12 Air outlet 133 Air outlet section
13 Air duct 30 Driving cylinder
20 Through hole 31 Piston plate
21 First baffle plate 32 Cylinder rod
22 Second baffle 33 First air chamber
23 Rotating end 34 Second air chamber
24 Free end 40 Spring
50 Oil return hole 61 First pressure pipe
51 Oil return pipe 62 Second pressure pipe
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an oil-gas separation device, please refer to fig. 1, the oil-gas separation device comprises a shell 10, a first baffle 21, a second baffle 22 and a driving mechanism, an air inlet 11 and an air outlet 12 are arranged on the shell 10, an air duct 13 is formed in the shell 10, the air duct 13 is communicated with the air inlet 11 and the air outlet 12, the first baffle 21 and the second baffle 22 are arranged in the air duct 13, the first baffle 21 and the second baffle 22 are sequentially overlapped in the air supply direction, a through hole 20 is arranged on the first baffle 21 and/or the second baffle 22, the first baffle 21 and the second baffle 22 can be relatively movably arranged, in a first state having the through hole 20 fully opened, and a second state having the through hole 20 at least partially shielded, the drive mechanism is provided to the housing 10, for driving at least one of the first shutter 21 and the second shutter 22 to move, so that the first shutter 21 and the second shutter 22 are switched between the first state and the second state.
In this embodiment, the oil-gas separation device is in operation, the air current that contains oil gas flows through wind channel 13 from air intake 11, flows out from air outlet 12, and in the in-process of flowing, through the sheltering from of first baffle 21 and second baffle 22, the air current flows through from through-hole 20 on first baffle 21 and the second baffle 22, and partial fluid is sheltered from and is left by first baffle 21 and second baffle 22, so, realizes oil-gas separation through the setting of first baffle 21 and second baffle 22. In the process that the first baffle 21 and the second baffle 22 move relatively, the through holes 20 on the first baffle are completely opened or partially shielded, so that the flow area during oil-gas separation is adjusted, and the oil-gas separation requirements of different gas flow ranges are met.
In the present embodiment, the first shutter 21 and the second shutter 22 are provided to be movable relative to each other, and may be provided to slide relative to each other, or may be provided to rotate relative to each other. A first state in which the through holes 20 are fully opened, and a second state in which the through holes 20 are at least partially blocked, and specifically, may correspond to a state in which all of the through holes 20 in the plurality of through holes 20 are opened and a state in which a partial number of the through holes 20 in the plurality of through holes 20 are blocked; the through holes 20 may be opened completely without being blocked and the through holes 20 may be partially blocked. In the first case, the through hole 20 may be provided only on one of the first shutter 21 or the second shutter 22, and the through hole 20 is not required on the other shutter, and the through hole 20 is completely opened or the through hole 20 is partially blocked during the relative movement of the two shutters.
In the embodiment, please refer to fig. 1 and 3, the first baffle plate 21 and the second baffle plate 22 are respectively provided with a plurality of through holes 20, in the first state, the through holes 20 of the first baffle plate 21 and the second baffle plate 22 are completely overlapped, and in the second state, the through holes 20 of the first baffle plate 21 and the second baffle plate 22 are partially overlapped, so that each through hole 20 can be completely opened or partially shielded, and thus, no matter what ventilation area is adjusted, each through hole 20 participates in the oil-gas separation process, so that the airflow can more uniformly pass through the first baffle plate 21 and the second baffle plate 22. It is also avoided that some of the through holes 20 are easily blocked due to a high through-flow. Specifically, the first shutter 21 and the second shutter 22 are mounted to the housing 10 so as to be capable of rotating synchronously, and the driving mechanism is configured to drive the first shutter 21 and the second shutter 22 to rotate synchronously, so that the first shutter 21 and the second shutter 22 are switched between the first state and the second state. Thus, in the embodiment, the relative movement is driven by the synchronous rotation mode, the movement mode is simple, and the required movement space is small. And, realize the regulation to ventilation area through driving first baffle 21 and second baffle 22 to rotate, more accurate.
Specifically, referring to fig. 1, the first baffle 21 and the second baffle 22 are rotatably connected to the housing 10 to have a rotating end 23 and a free end 24 rotating around the rotating end 23, the air duct 13 sequentially has an air inlet section 131, an arc section 132 and an air outlet section 133 along the air supply direction, the inner wall of the air duct 13 is at least partially disposed in an arc shape in the arc section 132 and is adapted to the free end 24, so that the free end 24 abuts against the inner wall of the air duct 13 during the driving and rotating process of the first baffle 21 and the second baffle 22. So, through the adaptation design of wind channel 13 shape and first baffle 21 and second baffle 22 for adjust draught area's in-process, with at least one of them ability all the time of first baffle 21 and second baffle 22 through the conflict realization of edge and wind channel 13 inner wall sealed, avoid the air current to flow from the clearance between the baffle edge of first baffle 21 or second baffle 22 and the wind channel 13 inner wall, oil gathers at the baffle edge, and influences the rotation of first baffle 21 or second baffle 22.
In an embodiment, referring to fig. 1, the ventilation area of the air inlet section 131 is larger than that of the air outlet section 133, and the ventilation area of the arc-shaped section 132 is gradually reduced from the air inlet section 131 to the air outlet section 133. In the present embodiment, the ventilation area refers to an effective ventilation area that can be obtained in consideration of the influence factors such as the cross-sectional area and the shape of the duct 13. Those skilled in the art can understand that, in the process of the air flow passing through the air duct 13, the air flow is blocked by the first baffle 21 and the second baffle 22, the air pressure has a large loss, and the ventilation area passing through the arc-shaped section 132 is gradually reduced from the air inlet section 131 to the air outlet section 133, which can compensate the air pressure loss, so as to avoid the flow rate of the air flow to be reduced too much, thereby indicating the requirement of the air flow rate after the oil-gas separation.
Specifically, the upper ends of the first baffle 21 and the second baffle 22 are rotatably connected to the housing 10, and the inner bottom wall of the air duct 13 is disposed in an arc shape at the arc-shaped section 132 so as to be adapted to the lower ends of the first baffle 21 and the second baffle 22 during the rotation process. And the inner bottom wall of segmental arc 132 department is the downwarping setting from air-out section 133 to air inlet section 131, realizes that segmental arc 132's cross sectional area is the convergent setting from air inlet section 131 to air-out section 133, has seted up oil gallery 50 on the inner bottom wall, and oil gallery 50 locates the department that adjoins of segmental arc 132 and air inlet section 131. Therefore, the oil in the air flow can flow downwards along the arc-shaped section 132 after being shielded by the first baffle 21 and the second baffle 22, and flows into the oil return hole 50, so that the oil is collected.
In an embodiment, an oil guiding groove is formed between the first baffle 21 and the second baffle 22, the oil guiding groove extends along the vertical direction, the first baffle 21 is further provided with an oil guiding channel, and the oil guiding channel is communicated with the oil guiding groove and one side of the first baffle 21 facing the air inlet direction. Specifically, the oil guiding groove refers to a gap formed between the first baffle 21 and the second baffle 22, and may be formed by butting grooves respectively formed on the first baffle 21 and the second baffle 22. Thus, under the condition that the through holes 20 on the first baffle 21 and the second baffle 22 are not completely overlapped, oil can be stored in the gap between the first baffle 21 and the second baffle 22, and the oil between the first baffle 21 and the second baffle 22 can be guided to the oil guide channel from the oil guide groove through the design of the oil guide groove and then is guided into the air duct 13 through the oil guide channel to be discharged. Thus, the oil is not smoothly accumulated between the first and second shutters 21 and 22.
In this embodiment, please refer to fig. 1, the driving mechanism includes a driving member and a reset member disposed in the air duct 13, the driving member is configured to drive the first baffle 21 and the second baffle 22 to switch from the first state to the second state, and the reset member is configured to drive the first baffle 21 and the second baffle 22 to switch from the second state to the first state. Therefore, the rotation positions of the first baffle plate 21 and the second baffle plate 22 are positioned through the driving piece and the reset piece, and the ventilation area is adjusted.
Specifically, the driving member is disposed on a side of the first baffle 21 facing the air inlet 11, and includes a driving cylinder 30, a cylinder rod 32 of the driving cylinder 30 abuts against the first baffle 21, and the restoring member is disposed on a side of the second baffle 22 facing the air outlet 12, and includes a spring 40, one end of the spring 40 is connected to the housing 10, and the other end is connected to the second baffle 22 and the first baffle 21. In this way, the rotational positions of the first shutter 21 and the second shutter 22 are positioned by a simple structure, and the ventilation area is adjusted.
Further, referring to fig. 1, a piston plate 31 is disposed in the air chamber of the driving cylinder 30 to divide the air chamber into a first air chamber 33 and a second air chamber 34, one end of the cylinder rod 32 is connected to the piston plate 31, the other end of the cylinder rod abuts against the first baffle plate 21, a first pressure pipe 61 and a second pressure pipe 62 are disposed on the housing 10, the first pressure pipe 61 is communicated with the first air chamber 33, the second pressure pipe 62 is communicated with the second air chamber 34, and air pressure in the first pressure pipe 61 and the second pressure pipe 62 is adjustable. Therefore, as long as the air pressure in the first pressure pipe 61 and the second pressure pipe 62 is adjusted, so that the pressure difference between the two occurs, the piston plate 31 can be driven to move towards the first air chamber 33 or the second air chamber 34 and stay at a proper position, and therefore the accurate positioning of the rotating positions of the first baffle plate 21 and the second baffle plate 22 is realized by adjusting the air pressure, and the accurate adjustment of the ventilation area is realized.
In an embodiment, the oil-gas separation device further includes an airflow sensor disposed in the air duct 13 for detecting airflow data in the air duct 13, and a controller electrically connected to the airflow sensor and the first and second pressure pipes 61 and 62 for adjusting air pressures in the first and second pressure pipes 61 and 62 according to the airflow data. In this embodiment, the airflow data may include data such as airflow velocity, oil content in the airflow, and through this data, and the requirement of oil-gas separation, the controller can obtain the ventilation volume of actual need through calculating, then through adjusting the change of the internal pressure of first manometer 61 and second manometer 62, realize the accurate positioning to first baffle 21 and second baffle 22 rotational position, realize the accurate regulation to the draught area. It will be appreciated that the adjustment may be a closed loop adjustment, i.e. monitoring the flow rate of the air stream, the oil content in the air stream, etc. and controlling the air stream data at the outlet 12 to be within a suitable range by monitoring the changes in the data and the rotational positions of the first and second shutters 21 and 22 in real time according to the latest air stream data.
In an embodiment, referring to fig. 1, an oil return pipe 51 is disposed outside the housing 10, and the oil return pipe 51 extends along the vertical direction and is abutted to the oil return hole 50. Further, the oil return pipe 51 may be detachably mounted to the housing 10 or the oil return pipe 51 may have a telescopic structure so that the length of the oil return pipe 51 in the up-down direction is adjustable. It can be understood that there may be a certain pressure difference between the air pressure in the air duct 13 and the external air pressure, and when the air pressure in the air duct 13 is greater than the external air pressure, the oil cannot be discharged smoothly. The oil return pipe 51 is designed for this purpose, preferably, the oil return pipe 51 is a one-way flow pipe, and the longer the length of the oil return pipe 51 is, the greater the hydraulic pressure difference between both ends of the oil return pipe 51 is, and even if the air pressure in the air duct 13 is greater than the external air pressure, the oil can be smoothly discharged under the action of the hydraulic pressure difference. So, through setting up oil return pipe 51 way detachably and installing in casing 10 or oil return pipe 51 prop and have extending structure to make oil return pipe 51 say at adjustable up-down length, can realize the regulation to oil return pipe 51 way length, make its demand that adapts to the inside and outside atmospheric pressure difference in wind channel 13, ensure fluid can be discharged from wind channel 13 smoothly.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. An oil-gas separation device, comprising:
the air conditioner comprises a shell, a fan and a control device, wherein an air inlet and an air outlet are formed in the shell, and an air duct is formed in the shell and communicated with the air inlet and the air outlet;
the first baffle and the second baffle are arranged in the air duct, are sequentially overlapped in the air supply direction, are provided with through holes and can be relatively movably arranged so as to have a first state that the through holes are completely opened and a second state that the through holes are at least partially shielded;
the driving mechanism is arranged on the shell and used for driving at least one of the first baffle and the second baffle to move so as to enable the first baffle and the second baffle to be switched between the first state and the second state;
the first baffle plate and the second baffle plate are respectively provided with a plurality of through holes, in the first state, the through holes of the first baffle plate and the second baffle plate are completely overlapped, in the second state, the through holes of the first baffle plate and the second baffle plate are partially overlapped, the first baffle plate and the second baffle plate are synchronously and rotatably arranged on the shell, and the driving mechanism is used for driving the first baffle plate and the second baffle plate to synchronously rotate so as to enable the first baffle plate and the second baffle plate to be switched between the first state and the second state;
the first baffle with the second baffle rotate connect in the casing to have the rotation end, and wind rotate end pivoted free end, the wind channel is followed air supply direction has air inlet section, segmental arc and air-out section in proper order, the inner wall in wind channel is in the segmental arc setting at least partially, and with free end looks adaptation, so that first baffle with the second baffle is in by the drive pivoted stroke, the free end butt in the inner wall in wind channel.
2. The oil-gas separation device of claim 1, wherein the ventilation area of the air inlet section is larger than that of the air outlet section, and the ventilation area of the arc-shaped section is gradually reduced from the air inlet section to the air outlet section.
3. The oil-gas separation device according to claim 2, wherein the upper ends of the first baffle and the second baffle are rotatably connected to the housing, the inner bottom wall of the air duct is curved at the curved section and is bent downward from the air outlet section to the air inlet section, and an oil return hole is formed in the inner bottom wall and is arranged at the joint of the curved section and the air inlet section.
4. The oil-gas separation device according to claim 3, wherein the driving mechanism comprises a driving member and a resetting member, the driving member is disposed in the air duct and is used for driving the first baffle plate and the second baffle plate to switch from the first state to the second state, and the resetting member is used for driving the first baffle plate and the second baffle plate to switch from the second state to the first state.
5. The oil-gas separation device as claimed in claim 4, wherein the driving member is provided on a side of the first baffle plate facing the air inlet, and comprises a driving cylinder, a cylinder rod of the driving cylinder abuts against the first baffle plate;
the reset piece is arranged on one side, facing the air outlet, of the second baffle plate and comprises a spring, one end of the spring is connected to the shell, and the other end of the spring is connected to the second baffle plate and the first baffle plate.
6. The oil-gas separation device as claimed in claim 5, wherein a piston plate is provided in the air chamber of the driving cylinder to divide the air chamber into a first air chamber and a second air chamber, one end of the cylinder rod is connected to the piston plate, the other end of the cylinder rod abuts against the first baffle plate, a first pressure pipe and a second pressure pipe are provided on the housing, the first pressure pipe is communicated with the first air chamber, the second pressure pipe is communicated with the second air chamber, and the air pressure in the first pressure pipe and the second pressure pipe is adjustable.
7. The oil-gas separation device of claim 6, further comprising an airflow sensor disposed in the air duct for detecting airflow data in the air duct, and a controller electrically connected to the airflow sensor and the first and second pressure pipes for adjusting air pressures in the first and second pressure pipes according to the airflow data.
8. The oil-gas separation device according to claim 7, wherein an oil return pipe is arranged outside the housing, extends in the up-down direction, and is butted with the oil return hole;
the oil return pipeline is detachably arranged on the shell; or,
the oil return pipeline is provided with a telescopic structure, so that the length of the oil return pipeline in the vertical direction can be adjusted.
CN202010664957.1A 2020-07-10 2020-07-10 Oil-gas separation device Expired - Fee Related CN111780462B (en)

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