CN213743595U - Oil gas preseparator and engine - Google Patents
Oil gas preseparator and engine Download PDFInfo
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- CN213743595U CN213743595U CN202022637581.3U CN202022637581U CN213743595U CN 213743595 U CN213743595 U CN 213743595U CN 202022637581 U CN202022637581 U CN 202022637581U CN 213743595 U CN213743595 U CN 213743595U
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Abstract
The utility model provides a separator and engine in advance of oil gas, wherein, separator in advance of oil gas includes: the cavity casing, set up and be in the inlet channel and the oil return passageway of cavity casing one end, set up the outlet channel and the setting of the cavity casing other end are in inlet channel with main baffle between the outlet channel, main baffle orientation be provided with the sub-baffle of at least round in inlet channel's the one side. The utility model discloses a separator and engine in advance of oil gas can improve oil-gas separation efficiency.
Description
Technical Field
The utility model relates to an engine field especially relates to a separator and engine are in advance mentioned to oil gas.
Background
During operation of the engine, high-temperature and high-pressure gas combusted in the cylinder may blow into a crankcase of the engine along a gap between the piston assembly and a wall of the cylinder. Exhaust gas which flows into the crankcase of the engine contains some water vapor and acidic substances, the water vapor can emulsify engine oil after being condensed, and the acidic substances can deteriorate the engine oil and corrode parts. The crankcase ventilation system is arranged to discharge the waste gas, the oil-gas separation system is arranged in a channel of the crankcase ventilation system, the engine is mainly guaranteed to work under a proper crankcase pressure state, engine oil in the crankcase gas is separated, and after the oil-gas separation system is arranged, the lubricating performance of the engine oil is guaranteed, the waste gas containing acidic substances can be discharged, the purpose of cleaning is achieved, and the service life of engine parts is prolonged. The separation mode of the oil-gas separation system usually adopts an oil-gas pre-separation and main separation mode, the oil-gas separator can be regarded as a main separation mode, the pre-separation mode adopts an oil-gas pre-separator, the oil-gas pre-separation mainly separates oil drops with large particle size carried by an air taking port, the oil-gas main separation mainly separates oil mist with small particle size, the oil drops with large particle size are effectively separated by the pre-separation, and the oil content of the air outlet after the main separation can be controlled within a reasonable range, so that the oil-gas pre-separation with high separation efficiency and low pressure loss is of great importance for the oil-gas separation system.
In the oil-gas preseparator in the prior art, gas carrying engine oil particles enter from an air inlet channel at one side, quickly impact a baffle plate in the oil-gas preseparator, are condensed into large oil drops which flow down from an oil return pipe, and waste gas is blown out from an air outlet channel at the other side.
However, in the oil-gas preseparator in the prior art, oil drops condensed on the baffle plate by high-speed impact are not easy to intercept, so that the condition that the oil drops carried by gas escape from the gas outlet channel often occurs, and the separation efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a separator and engine in advance of oil gas for solve the lower technical problem of oil-gas separation efficiency among the prior art at least.
An aspect of the embodiment of the utility model provides a separator is in advance provided to oil gas, include: the cavity casing, set up and be in the inlet channel and the oil return passageway of cavity casing one end, set up and be in the outlet channel and the setting of the cavity casing other end are in inlet channel with the main baffle between the outlet channel.
And at least one circle of sub-baffle is arranged on one surface of the main baffle, which faces the air inlet channel.
The embodiment of the utility model provides a through set up the main baffle between inlet channel and outlet channel, gaseous oil mist granule that carries gets into the cavity casing from inlet channel to certain velocity of flow striking main baffle, mist is through high-speed striking, forces to change the air current flow direction of mixing, makes the oil mist granule break away from the air current under great impact force, and the main baffle catches the oil mist and condenses to form great oil and drip, and the oil drips and breaks away from the oil return passageway from main baffle and flows, and waste gas flows from the outlet channel. Meanwhile, the main baffle is also provided with at least one circle of sub-baffles, so that the main baffle can capture oil mist, the sub-baffles can capture the oil mist, the contact area of oil mist particles striking the baffles is increased, the sub-baffles can prevent condensed oil mist particles from being taken away by high-speed airflow, and the oil-gas separation efficiency is improved. In addition, the oil return channel and the air outlet channel are respectively positioned at two ends of the oil-gas preseparator, so that return oil at the oil return channel can be prevented from being taken away by high-speed airflow and escaping from the air outlet channel.
In one possible embodiment, the oil-gas preseparator is provided with at least one opening on the at least one ring of sub-baffles.
Therefore, the opening is arranged, so that the gas flows more smoothly, and the stress of the main baffle is reduced.
In a possible embodiment of the oil-gas preseparator, the sub-baffles are provided with a plurality of circles, and the openings on the sub-baffles of two adjacent circles are staggered.
So, on the one hand, the capture area of oil mist can be increased to many rings of sub-baffles, improves oil-gas separation efficiency. On the other hand, the opening is arranged, so that the air flow can be smoother, and the stress of the main baffle is reduced. On the other hand, the openings in the two adjacent circles of sub-baffles are arranged in a staggered mode, so that oil drops can be prevented from being taken away by high-speed gas and escaping from the openings, and the oil-gas separation efficiency is further improved.
In a possible embodiment, the air inlet channel and the oil return channel are arranged at the bottom end of the hollow shell, and the air outlet channel is arranged on the side wall of the top of the hollow shell.
In this way, the oil mist is influenced by gravity to increase the settling of the oil mist particles, which are returned from the oil return channel at the bottom end of the hollow housing. The air outlet channel is arranged on the side wall of the top of the hollow shell, and compared with the air outlet channel arranged on the top end of the hollow shell, the inner wall of the top end can also be used as a baffle plate to capture oil mist for the second time, so that the oil-gas separation efficiency is improved.
The oil and gas preseparator as described above, in one possible embodiment, the hollow casing comprises: the first shell and the second shell are connected.
The first shell forms an oil return cavity, the second shell forms a separation cavity, and the oil return cavity is communicated with the separation cavity.
The oil return passage with first casing intercommunication, inlet channel with first casing intercommunication just passes oil return chamber stretches into the separation intracavity, the main baffle is located the separation intracavity, the passageway of giving vent to anger with second casing intercommunication.
In this way, settled oil mist particles may fall into the oil return chamber formed by the first housing for collection and return from the oil return passage. The air inlet channel is communicated with the first shell and penetrates through the oil return cavity to extend into the separation cavity, namely the air inlet channel is higher than the oil return cavity, and oil return is prevented from flowing out of the air inlet channel.
In a possible embodiment, the first casing is a declined arc surface, and the arc surface encloses an oil return cavity with an open upper end.
Therefore, the settled oil mist particles are easier to collect, and the oil collecting efficiency is improved.
In a possible embodiment of the oil and gas preseparator as described above, the main baffle is connected to the first housing.
Like this, compare the mode that main baffle and second casing are connected, main baffle receives ascending pulling force through high-speed air current and is undertaken by first casing, prevents first casing and second casing components of a whole that can function independently, guarantees holistic structural stability.
The oil-gas preseparator as described above, optionally, the main baffle is provided with a connecting piece, the connecting piece is provided with a through hole, the first shell is provided with a fixing column, the fixing column is provided with a fixing hole, and the main baffle passes through the through hole and the fixing hole through a fastener and is connected with the fixing column.
Therefore, the connection mode of the main baffle and the first shell is simple and feasible, and the main baffle is easy to disassemble and assemble.
In one possible embodiment, the main baffle is recessed to form a recessed area, and at least part of the sub-baffles are located in the recessed area.
Therefore, the oil mist particles condensed in the sunken area can be less prone to being taken away by high-speed airflow, and the oil-gas separation efficiency is further improved.
The oil-gas preseparator can optionally lead the main baffle plate to be vertical to the air inlet channel, so that the oil-gas separation efficiency can be improved.
The embodiment of the utility model provides a separator is in advance to oil gas through set up the main baffle between inlet channel and outlet channel, gaseous oil mist granule that carries gets into the cavity casing from inlet channel to certain velocity of flow striking main baffle, mist is through high-speed striking, force to change the air current flow direction of mixing, make the oil mist granule break away from the air current under great impact force, main baffle catches the oil mist and condenses to form great oil and drip, the oil drips breaks away from the oil return passageway from the main baffle and flows, waste gas flows from the outlet channel. Meanwhile, the main baffle is also provided with at least one circle of sub-baffles, so that the main baffle can capture oil mist, the sub-baffles can capture the oil mist, the contact area of oil mist particles striking the baffles is increased, the sub-baffles can prevent condensed oil mist particles from being taken away by high-speed airflow, and the oil-gas separation efficiency is improved. In addition, the oil return channel and the air outlet channel are respectively positioned at two ends of the oil-gas preseparator, so that return oil at the oil return channel can be prevented from being taken away by high-speed airflow and escaping from the air outlet channel. Moreover, the sub-baffles can be a plurality of circles, and the openings on the two adjacent circles of sub-baffles are arranged in a staggered mode, so that oil drops can be prevented from being taken away by high-speed gas and escaping from the openings, and the oil-gas separation efficiency is further improved.
The embodiment of the utility model provides an on the other hand provides an engine, include: oil-gas separation system and as above oil-gas preseparator, oil-gas preseparator assemble in oil-gas separation system.
The structure of the present invention and other objects and advantages thereof will be more clearly understood from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is an external view of an oil-gas preseparator provided in an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an oil-gas preseparator according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a main baffle and a sub baffle of the oil-gas preseparator provided by the embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of an oil-gas preseparator according to another view angle in the embodiment of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 4.
Description of reference numerals:
100-oil gas pre-separator;
110-a hollow shell;
111-a first housing;
1110-oil return chamber;
1111-fixed columns;
1112-a fixation hole;
112-a second housing;
1120-a separation chamber;
120-an intake passage;
130-oil return channel;
140-an air outlet channel;
150-a main baffle;
151-sub baffle;
152-an opening;
153-a recessed region;
154-a connector;
1541-a through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
When the engine operates normally, a part of unburned combustible mixed gas and combustion waste gas in the cylinder enters a crankcase through a piston ring end gap, a piston ring, a cylinder gap and a piston ring and ring groove gap, or a valve and valve guide pipe gap, or a supercharger bearing gap to cause blow-by. The blow-by gas is composed of unburned fuel gas, water vapor, exhaust gas and the like, which can dilute the engine oil, reduce the service performance of the engine oil and accelerate the oxidation and deterioration of the engine oil. The water vapor condenses in the engine oil, which can form an oil blockage and block the oil path. Acid gases in the exhaust gas are mixed into the lubrication system, which can lead to corrosion and accelerated wear of engine parts. Blow-by also causes the crankcase pressure to be too high and the crankcase seal to be broken, allowing oil to leak and run off.
Crankcase ventilation must be implemented to prevent excessive crankcase pressure, extend engine oil life, reduce wear and corrosion of parts, and prevent engine oil leakage. In addition, crankcase ventilation system designs must also be implemented during engine design to meet increasingly stringent emissions requirements and to improve economy. The oil-gas separation system is arranged in a channel of a crankcase ventilation system, and mainly ensures that an engine works under a proper crankcase pressure state, engine oil in crankcase gas is separated, after the oil-gas separator is arranged, the lubricating performance of the engine oil is ensured, waste gas containing acidic substances can be discharged, the purpose of cleaning is achieved, and the service life of engine parts is prolonged. The separation mode of the oil-gas separation system usually adopts an oil-gas pre-separation and main separation mode, the oil-gas separator can be regarded as a main separation mode, the pre-separation mode adopts an oil-gas pre-separator, the oil-gas pre-separation mainly separates large-particle-size oil drops carried by an air inlet, the oil-gas main separation mainly separates small-particle-size oil mist, the large-particle-size oil drops are effectively separated by the pre-separation, and the oil content of the air outlet after the main separation can be controlled within a reasonable range, so that the oil-gas pre-separation with high separation efficiency and low pressure loss is of great importance for the oil-gas separation system.
In the oil-gas preseparator in the prior art, gas carrying engine oil particles enter from an air inlet channel at one side, quickly impact a baffle plate in the oil-gas preseparator, are condensed into large oil drops which flow down from an oil return pipe, and waste gas is blown out from an air outlet channel at the other side. However, in the oil-gas preseparator in the prior art, oil drops condensed on the baffle plate by high-speed impact are not easy to intercept, so that the condition that the oil drops carried by gas escape from the gas outlet channel often occurs, and the separation efficiency is low.
In view of this, the embodiment of the utility model provides a separator and engine are in advance to oil gas, its oil gas preseparator is through setting up the main baffle in order to catch the oil mist between inlet channel and the outlet channel in the cavity casing, still be provided with an at least circle sub-baffle in the main baffle towards the inlet channel one side, the sub-baffle can assist the main baffle to catch the oil mist together, the area of contact of oil mist granule striking baffle has been increased, and the sub-baffle can also prevent that the oil mist granule that condenses from being taken away by high velocity air, oil-gas separation efficiency has been improved.
The invention is described below with reference to the accompanying drawings in conjunction with specific embodiments.
Example one
Fig. 1 is the appearance of oil gas preseparator that the embodiment of the utility model provides, fig. 2 is the utility model discloses oil gas preseparator's section structure sketch map is in advance provided, fig. 3 is the utility model discloses oil gas preseparator's that embodiment provides structural schematic of main baffle and sub-baffle.
Referring to fig. 1 to 3, an oil-gas preseparator 100 provided by the embodiment of the present invention includes: the air conditioner comprises a hollow shell 110, an air inlet channel 120 and an oil return channel 130 which are arranged at one end of the hollow shell 110, an air outlet channel 140 which is arranged at the other end of the hollow shell 110, and a main baffle plate 150 which is arranged between the air inlet channel 120 and the air outlet channel 140, wherein at least one circle of sub-baffle plates 151 are arranged on one surface, facing the air inlet channel 120, of the main baffle plate 150.
Specifically, the hollow housing 110 forms a holding cavity, which may be a cube, a cuboid, a cylinder or an irregular body, and the drawings of the present invention illustrate the cylinder as an example.
The air inlet channel 120 and the oil return channel 130 are located at the same end of the hollow shell 110, and the air outlet channel 140 is located at the other end of the hollow shell 110, so that the phenomenon that the return oil condensed and gathered at the oil return channel is carried away by the high-speed air flow and escapes from the air outlet channel 140 can be prevented.
A main baffle 150 is disposed between the inlet passage 120 and the outlet passage 140, and it can be understood that the mixed gas carrying the oil mist particles entering the accommodating chamber from the inlet passage 120 collides with the main baffle 150 at a certain flow rate, the gas is collided at a high speed to forcibly change the flow direction of the mixed gas flow, so that the oil mist particles are separated from the gas flow under a large impact force, the main baffle 150 captures the oil mist and gathers to form large oil drops, the oil drops flow out from the oil return passage 130 under the influence of gravity, and the exhaust gas is discharged from the outlet passage 140.
In which at least one ring of sub-baffles 151 is disposed on a surface of the main baffle 150 facing the intake passage 120, for example, as shown in fig. 3, the main baffle 150 is in a disk shape, and at least one ring of arc-shaped sub-baffles 151 is disposed on a surface of the main baffle 150, it is easy to understand that, on one hand, the sub-baffles 151 can capture the oil mist, that is, the sub-baffles 151 increase the contact area on which the oil mist particles collide. On the other hand, the sub-baffle 151 can block the path of the condensed oil mist particles to the air outlet channel 140, and prevent the condensed oil mist particles from being carried away by the high-speed airflow and escaping from the air outlet channel 140, so as to improve the oil-gas separation efficiency.
Of course, the main baffle 150 may have any shape such as a square or a rectangle, and the sub-baffles 151 may be specifically provided according to the shape of the main baffle 150, and the shape and specification of the sub-baffles 151 of the main baffle 150 are not limited at all.
As shown in fig. 3, at least one opening 152 is formed on at least one ring of the sub-baffles 151, and the openings 152 can make the mixed gas flow more smoothly, thereby reducing the stress on the main baffle 150.
In order to avoid the situation that the condensed oil mist particles are carried away by the high-speed airflow and run off from the openings 152, in some embodiments of the present invention, the sub-baffles 151 may have a plurality of turns, and the openings 152 on two adjacent turns of the sub-baffles 151 are staggered. The crisscross opening 152 that sets up makes sub-baffle 151 form a maze, prevents that the high velocity air stream from carrying the condition that the oil mist granule that condenses runs off from outlet channel 140 escape from opening 152, can further improve the utility model discloses the oil-gas separation efficiency of oil-gas preseparator 100 that the embodiment provided.
In some embodiments of the present invention, the main baffle 150 may also be recessed to form a recessed area 153, and at least a portion of the sub-baffles 151 are located in the recessed area 153. The recessed area 153 is arranged so that oil mist particles condensed in the recessed area 153 can be less easily carried away by high-speed airflow, and the oil-gas separation efficiency is further improved.
In some embodiments of the present invention, the hollow shell 110 may be transversely disposed, at this time, the air inlet channel 120 may be located at one end of the hollow shell 110, the oil return channel 130 is located at the bottom of the hollow shell 110 at the same end as the air inlet channel 120, and the air outlet channel 140 is located at the end of the hollow shell 110 at the other end opposite to the air inlet channel 120.
Of course, the present invention is not limited thereto, and the hollow shell 110 may also be vertically disposed, for example, as shown in fig. 1 and 2, the air inlet channel 120 and the oil return channel 130 are located at the bottom end of the hollow shell 110, and the air outlet channel 140 is located on the side wall of the top of the hollow shell 110.
The condensed oil mist is influenced by gravity to increase the settling of the oil mist particles, which are returned from the oil return passage at the bottom end of the hollow housing 110, further increasing the oil-gas separation efficiency. The air outlet channel 140 is arranged on the side wall of the top of the hollow shell 110, and compared with the situation that the air outlet channel 140 is arranged on the top end of the hollow shell 110, the inner wall of the top end can also be used as a baffle plate for secondary capture of oil mist, and the oil-gas separation efficiency is improved.
In some embodiments of the present invention, the hollow housing 110 includes: the air inlet structure comprises a first shell 111 and a second shell 112, wherein the first shell 111 is connected with the second shell 112, the first shell 111 forms an oil return cavity 1110, the second shell 112 forms a separation cavity 1120, the oil return cavity 1110 is communicated with the separation cavity 1120, an oil return channel 130 is communicated with the first shell 111, an air inlet channel 120 is communicated with the first shell 111 and penetrates through the oil return cavity 1110 to extend into the separation cavity 1120, a main baffle 150 is located in the separation cavity 1120, and an air outlet channel 140 is communicated with the second shell 112.
Specifically, the first housing 111 and the second housing 112 may be integrally formed or detachably connected, and "integrally formed" herein means that two components are processed together to form an integral body. The first shell 111 and the second shell 112 can also be detachably connected, for example, as shown in fig. 1 and fig. 2, the lower end of the first shell 111 has an outer edge facing radially outward, and the upper end of the second shell 112 also has an outer edge facing radially outward, and the two outer edges are detachably connected by a fastener, so that the main baffle 150 can be conveniently installed and replaced, and the inside of the hollow shell 110 can be conveniently cleaned and cleaned.
The first housing 111 forms an oil return chamber, collects the condensed oil mist particles, and returns oil from the oil return passage 130. The intake passage 120 communicates with the first housing 111 and extends into the separation chamber 1120 through the oil return chamber 1110, i.e., the intake passage 120 is higher than the oil return chamber 1110, and the oil collected in the oil return chamber 1110 is prevented from flowing back from the intake passage 120.
Wherein, first casing 111 can be the cambered surface that declines, and synthetic upper end open-ended oil return chamber 1110 is enclosed to the cambered surface, and oil return chamber 1110 is the hemisphere recess, makes the oil mist granule that subsides change easily and collects, promotes collection oil efficiency.
To enhance the overall structural stability of the oil and gas preseparator 100, in some embodiments of the present invention, the main baffle 150 is connected to the first housing 111. It is easy to understand that the high flow rate of gas may generate an upward pushing force on the main baffle 150, since the first casing 111 and the second casing 112 are separately connected, if the main baffle 150 is connected with the second casing 112, the pushed main baffle 150 will generate a pulling force on the second casing 112, which will affect the connection stability between the first casing 111 and the second casing 112, and the connection of the main baffle 150 with the first casing 111 solves this problem.
Fig. 4 is a schematic cross-sectional structure view of another view angle of the oil-gas preseparator according to an embodiment of the present invention, and fig. 5 is an enlarged schematic structural view of a portion a in fig. 4.
Referring to fig. 4 and 5, in the connection of the main baffle 150 and the first housing 111, the main baffle 150 may be provided with a connecting member 154, the connecting member 154 is provided with a through hole 1541, the first housing 111 is provided with a fixing post 1111, the fixing post 1111 is provided with a fixing hole 1112, and the main baffle 150 is connected to the fixing post 1111 through the through hole 1541 and the fixing hole 1112 by a fastening member. The connection mode is simple and easy to implement, and the disassembly and the assembly are simple.
Alternatively, the main baffle 150 is perpendicular to the intake passage 120, so that the oil mist particle capturing efficiency of the main baffle 150 and the sub-baffle 151 can be improved, thereby further improving the oil-gas separation efficiency.
The embodiment of the utility model provides a separator is in advance to oil gas through set up the main baffle between inlet channel and outlet channel, gaseous oil mist granule that carries gets into the cavity casing from inlet channel to certain velocity of flow striking main baffle, mist is through high-speed striking, force to change the air current flow direction of mixing, make the oil mist granule break away from the air current under great impact force, main baffle catches the oil mist and condenses to form great oil and drip, the oil drips breaks away from the oil return passageway from the main baffle and flows, waste gas flows from the outlet channel. Meanwhile, the main baffle is also provided with at least one circle of sub-baffles, so that the main baffle can capture oil mist, the sub-baffles can capture the oil mist, the contact area of oil mist particles striking the baffles is increased, the sub-baffles can prevent condensed oil mist particles from being taken away by high-speed airflow, and the oil-gas separation efficiency is improved. In addition, the oil return channel and the air outlet channel are respectively positioned at two ends of the oil-gas preseparator, so that return oil at the oil return channel can be prevented from being taken away by high-speed airflow and escaping from the air outlet channel. Moreover, the sub-baffles can be a plurality of circles, and the openings on the two adjacent circles of sub-baffles are arranged in a staggered mode, so that oil drops can be prevented from being taken away by high-speed gas and escaping from the openings, and the oil-gas separation efficiency is further improved.
Example two
The embodiment of the utility model provides an engine, include: an oil-gas separation system and an oil-gas preseparator 100 as described in the first embodiment, wherein the oil-gas preseparator 100 is assembled in the oil-gas separation system.
The technical features of the oil-gas preseparator 100 are the same as those in the first embodiment, and are not described herein.
The embodiment of the utility model provides an engine, separator in advance including oil gas, its oil gas separator in advance is through setting up the main baffle between inlet channel and outlet channel, gaseous oil mist granule that carries gets into the cavity casing from inlet channel, with certain velocity of flow striking main baffle, mist is through high-speed striking, force to change the mixed gas flow direction of flow, make the oil mist granule break away from the air current under great impact force, main baffle catches the oil mist and condenses to form great oil and drip, the oil drips breaks away from the return channel from main baffle and flows, waste gas flows from the outlet channel. Meanwhile, the main baffle is also provided with at least one circle of sub-baffles, so that the main baffle can capture oil mist, the sub-baffles can capture the oil mist, the contact area of oil mist particles striking the baffles is increased, the sub-baffles can prevent condensed oil mist particles from being taken away by high-speed airflow, and the oil-gas separation efficiency is improved. In addition, the oil return channel and the air outlet channel are respectively positioned at two ends of the oil-gas preseparator, so that return oil at the oil return channel can be prevented from being taken away by high-speed airflow and escaping from the air outlet channel. Moreover, the sub-baffles can be a plurality of circles, and the openings on the two adjacent circles of sub-baffles are arranged in a staggered mode, so that oil drops can be prevented from being taken away by high-speed gas and escaping from the openings, and the oil-gas separation efficiency is further improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; either directly or indirectly through intervening media, may be used in either the internal or the external relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A hydrocarbon preseparator, comprising: the air inlet device comprises a hollow shell, an air inlet channel and an oil return channel which are arranged at one end of the hollow shell, an air outlet channel which is arranged at the other end of the hollow shell, and a main baffle plate which is arranged between the air inlet channel and the air outlet channel;
and at least one circle of sub-baffle is arranged on one surface of the main baffle, which faces the air inlet channel.
2. The oil and gas preseparator of claim 1, wherein at least one opening is provided in said at least one ring of sub-baffles.
3. The oil-gas preseparator according to claim 2, characterized in that the sub-baffles are provided with a plurality of circles, and the openings of the sub-baffles of two adjacent circles are staggered.
4. The oil and gas preseparator according to any of claims 1 to 3, wherein said air inlet channel and said oil return channel are provided at the bottom end of said hollow housing, and said air outlet channel is provided on the side wall of the top of said hollow housing.
5. The oil and gas preseparator of claim 4, wherein said hollow housing comprises: the first shell is connected with the second shell;
the first shell forms an oil return cavity, the second shell forms a separation cavity, and the oil return cavity is communicated with the separation cavity;
the oil return passage with first casing intercommunication, inlet channel with first casing intercommunication just passes oil return chamber stretches into the separation intracavity, the main baffle is located the separation intracavity, the passageway of giving vent to anger with second casing intercommunication.
6. The oil-gas preseparator according to claim 5, characterized in that the first housing is a declined arc surface, and the arc surface encloses an oil return cavity with an open upper end.
7. The oil and gas preseparator of claim 5, wherein said main baffle is connected to said first housing.
8. The oil-gas preseparator according to claim 7, characterized in that a connecting piece is arranged on the main baffle, a through hole is arranged on the connecting piece, a fixing column is arranged on the first housing, a fixing hole is arranged on the fixing column, and the main baffle is connected with the fixing column by a fastener passing through the through hole and the fixing hole.
9. The oil and gas preseparator according to any of claims 1 to 3, wherein said main baffle is recessed to form a recessed area, and at least part of said sub-baffles are located within said recessed area.
10. An engine, comprising: an oil and gas separation system and an oil and gas preseparator according to any of claims 1-9;
the oil-gas preseparator is assembled in the oil-gas separation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022637581.3U CN213743595U (en) | 2020-11-13 | 2020-11-13 | Oil gas preseparator and engine |
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| CN202022637581.3U CN213743595U (en) | 2020-11-13 | 2020-11-13 | Oil gas preseparator and engine |
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| CN213743595U true CN213743595U (en) | 2021-07-20 |
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