阅读说明：本技术 滤棉油气分离装置和滤棉油气分离器 (Filter cotton oil-gas separation device and filter cotton oil-gas separator ) 是由 徐玉梁 朱康 孙非 白杨 赵金旋 张蒙 于 2020-08-31 设计创作，主要内容包括：本发明公开了一种滤棉油气分离装置和滤棉油气分离器,滤棉油气分离装置包括外壳、孔板、滤棉和撞击板,外壳两端分别设置有用于通入待分离的混合油气的进气口和排出分离后的气体的出气口,外壳底部设置有用于导出分离出油滴的漏孔,孔板设置在外壳内部将外壳内部空间隔成两部分,孔板上设置多个朝向进气口的通孔,用于汇聚混合油气内的油微粒,滤棉设置在孔板与出气口之间,将孔板与出气口之间的空间隔成两部分,用于拦截和吸附混合油气内的油微粒,撞击板设置在滤棉与出气口之间,撞击板的撞击面朝向滤棉,撞击板的上端与外壳之间有缝隙,缝隙与出气口连通,撞击板用于拦截和汇聚混合油气的油微粒；滤棉油气分离器包括至少一个滤棉油气分离装置。(The invention discloses a filter cotton oil-gas separation device and a filter cotton oil-gas separator, wherein the filter cotton oil-gas separation device comprises a shell, a pore plate, filter cotton and an impact plate, the two ends of the shell are respectively provided with a gas inlet for introducing mixed oil gas to be separated and a gas outlet for discharging separated gas, the bottom of the shell is provided with a leak hole for guiding separated oil drops, the pore plate is arranged in the shell to divide the space in the shell into two parts, the pore plate is provided with a plurality of through holes facing to the gas inlet and used for gathering oil particles in the mixed oil gas, the filter cotton is arranged between the pore plate and the gas outlet and divides the space between the pore plate and the gas outlet into two parts for intercepting and adsorbing the oil particles in the mixed oil gas, the impact plate is arranged between the filter cotton and the gas outlet, the impact surface of the impact plate faces to the filter cotton, a gap is arranged between the upper end of the impact plate, the impact plate is used for intercepting and converging oil particles of the mixed oil gas; the cotton filtering oil-gas separator comprises at least one cotton filtering oil-gas separation device.)

1. A filter cotton oil-gas separation device is characterized by comprising:

the oil separator comprises a shell, wherein a gas inlet and a gas outlet are respectively arranged at two ends of the shell, the gas inlet is used for introducing mixed oil gas to be separated, the gas outlet is used for discharging separated gas, and a leak hole for guiding separated oil drops is formed in the bottom of the shell;

the pore plate is arranged in the shell and divides the space in the shell into two parts, a plurality of through holes are formed in the pore plate, the through holes face the air inlet, and the through holes are used for gathering oil particles in the mixed oil gas;

the filter cotton is arranged between the pore plate and the air outlet and used for dividing the space between the pore plate and the air outlet into two parts, and the filter cotton is used for intercepting and adsorbing oil particles in the mixed oil gas after passing through the pore plate;

the collision plate is arranged between the filter cotton and the air outlet, the collision surface of the collision plate faces the filter cotton, the lower end of the collision plate is connected with the shell, a gap is formed between the upper end of the collision plate and the shell, the gap is communicated with the air outlet, and the collision plate is used for intercepting and gathering oil particles of mixed oil gas which passes through the filter cotton and collides on the collision plate.

2. The filter cotton oil-gas separation device according to claim 1, wherein a plurality of protrusions are arranged on one surface of the impact plate facing the filter cotton, and the plurality of protrusions are used for intercepting and gathering oil particles of the mixed oil gas passing through the filter cotton.

3. The oil-gas separation device for filter cotton according to claim 1, wherein the through holes are arranged at the lower part of the pore plate, and the diameter of the through holes is 1-3 mm.

4. The filter cotton oil-gas separation device according to claim 1, wherein the thickness of the perforated plate is 5-8 mm.

5. The filter cotton oil and gas separation device according to claim 1, wherein a gap exists between the upper end of the filter cotton and the top of the housing.

6. The filter cotton oil-gas separation device according to claim 1, further comprising a hollowed filter cotton fixing plate for fixing the filter cotton.

7. The filter cotton oil-gas separation device according to claim 1, wherein the thickness of the filter cotton is 5-10 mm.

8. The filter cake oil and gas separation device according to claim 1, wherein the height of each of said plurality of through holes is lower than the height of the upper end of said filter cake.

9. The filter cotton oil-gas separation device according to any one of claims 1 to 8, wherein the orifice plate, the filter cotton and the impact plate are arranged in parallel.

10. The utility model provides a strain cotton oil and gas separator which characterized in that includes: the filter cotton oil-gas separation device according to any one of claims 1 to 9, wherein if the number of the filter cotton oil-gas separation devices is greater than 1, a plurality of the filter cotton oil-gas separation devices are sequentially connected in series, and the gas inlets and the gas outlets of two adjacent filter cotton oil-gas separation devices are connected.

Technical Field

The invention relates to the technical field of automobile engines, in particular to a filter cotton oil-gas separation device and a filter cotton oil-gas separator.

Background

When the engine works, part of gas in the combustion chamber can enter the crankcase along with the reciprocating motion of the piston, and then the part of gas enters the combustion chamber again through the crankcase ventilation system to participate in combustion. As the degree of strengthening of the engine becomes higher and higher, the diameter of the oil particles which blow into the crankcase is greatly reduced as compared with the former. The traditional oil-gas separator is difficult to intercept tiny oil particles of the separator, and then the tiny oil particles enter a combustion chamber to participate in combustion, so that the problem of high engine oil consumption is caused.

The conventional oil-gas separator has the advantages of simple structure, low separation efficiency and poor universality, and can not be applied in a modularized manner.

Disclosure of Invention

Technical problem to be solved

In view of the problem that the existing oil-gas separator has poor separation effect on tiny oil particles in mixed oil gas, the invention provides a filter cotton oil-gas separation device and a filter cotton oil-gas separator, which have the advantages of small volume, modular application and good separation effect on tiny oil particles in mixed oil gas.

(II) technical scheme

The invention provides a filter cotton oil-gas separation device and a filter cotton oil-gas separator.

According to an embodiment of the invention, the filter cotton oil-gas separation device comprises

The oil separator comprises a shell, wherein a gas inlet and a gas outlet are respectively arranged at two ends of the shell, the gas inlet is used for introducing mixed oil gas to be separated, the gas outlet is used for discharging separated gas, and a leak hole for guiding separated oil drops is formed in the bottom of the shell;

the pore plate is arranged in the shell and divides the space in the shell into two parts, a plurality of through holes are formed in the pore plate, the through holes face the air inlet, and the through holes are used for gathering oil particles in the mixed oil gas;

the filter cotton is arranged between the pore plate and the air outlet and used for dividing the space between the pore plate and the air outlet into two parts, and the filter cotton is used for intercepting and adsorbing oil particles in the mixed oil gas after passing through the pore plate;

the impact plate is arranged between the filter cotton and the air outlet, the impact surface of the impact plate faces the filter cotton, the lower end of the impact plate is connected with the shell, a gap is formed between the upper end of the impact plate and the shell, the gap is communicated with the air outlet, and the impact plate is used for intercepting and gathering oil particles of mixed oil gas which passes through the filter cotton and then impacts on the impact plate;

according to the embodiment of the invention, a plurality of bulges are arranged on one surface of the impact plate, which faces the filter cotton, and are used for intercepting and gathering oil particles of the mixed oil gas after passing through the filter cotton.

According to the embodiment of the invention, the through hole is arranged at the lower part of the pore plate, and the diameter of the through hole is 1-3 mm.

According to the embodiment of the invention, the thickness of the perforated plate is 5-8 mm.

According to an embodiment of the invention, there is a gap between the upper end of the filter cotton and the top of the housing.

According to the embodiment of the invention, the filter cotton fixing plate further comprises a hollow filter cotton fixing plate for fixing the filter cotton.

According to the embodiment of the invention, the thickness of the filter cotton is 5-10 mm.

According to the embodiment of the present invention, the height of each of the plurality of through holes is lower than the height of the upper end of the filter cotton.

According to an embodiment of the invention, the orifice plate, the filter cotton and the impact plate are arranged in parallel.

The invention also discloses a cotton-filtering oil-gas separator which comprises at least one cotton-filtering oil-gas separation device, wherein if the number of the cotton-filtering oil-gas separation devices is more than 1, the cotton-filtering oil-gas separation devices are sequentially connected in series, and the gas inlets and the gas outlets of two adjacent cotton-filtering oil-gas separation devices are connected.

(III) advantageous effects

(1) Tiny oil particles in the mixed oil gas are converged into oil particles with larger sizes through holes in the pore plate, the oil particles are absorbed and intercepted through the filter cotton, and then the oil particles are intercepted and converged through the impact plate, so that the oil particles in the mixed oil gas can be well absorbed and converged;

(2) a plurality of filter cotton oil-gas separation devices are connected in series for use, so that the absorption effect on tiny oil particles is further enhanced, and the filter cotton oil-gas separation device is suitable for modular application;

(3) because a plurality of filter cotton oil-gas separation devices can be used in series, a single filter cotton oil-gas separation device has small volume and good universality, is suitable for various engines and is particularly suitable for being used in narrow spaces.

Drawings

FIG. 1 is a schematic structural diagram of a cotton-filtering oil-gas separation device provided by an embodiment of the invention;

FIG. 2 is a cross-sectional view of a cotton filter oil-gas separation device provided by an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an internal part of a cotton-filtering oil-gas separation device provided by an embodiment of the invention;

FIG. 4 is a schematic view of the working principle of the oil-gas separation device for filter cotton provided by the embodiment of the invention;

wherein: 1 represents a housing; 11 denotes an upper cover; 12 denotes a bottom plate; 2 denotes an air inlet; 3 denotes an air outlet; 4 denotes an orifice plate; 41 denotes a through hole; 5 represents a filter cotton; reference numeral 51 denotes a filter cotton fixing plate; 6 denotes an impact plate; 61 denotes a projection; 7 denotes a leak hole; 8 represents the flow direction of the mixed oil gas; 9 denotes the oil drop flow direction; and 10 denotes oil droplets.

Detailed Description

In order that the objects, technical solutions and advantages of the present invention will become more apparent, the present invention will be further described in detail with reference to the accompanying drawings in conjunction with the following specific embodiments.

It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It may be evident, however, that one or more embodiments may be practiced without these specific details. Furthermore, in the following description, descriptions of well-known technologies are omitted so as to avoid unnecessarily obscuring the concepts of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "comprises" and "comprising," when used herein, specify the presence of stated features, steps, or operations, but do not preclude the presence or addition of one or more other features, steps, or operations.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It is noted that the terms used herein should be interpreted as having a meaning that is consistent with the context of this specification and should not be interpreted in an idealized or overly formal sense.

The invention provides a filter cotton oil-gas separation device and a filter cotton oil-gas separator.

As shown in fig. 1 and 2, the filter cotton oil-gas separation device comprises a shell 1, an orifice plate 4, filter cotton 5 and an impact plate 6.

According to the embodiment of the present invention, the housing comprises an upper cover 11 and a bottom plate 12, and the upper cover 11 and the bottom plate 12 are detachably connected, specifically, a bayonet connection, a pin-key connection, a bolt connection, or the like.

According to an embodiment of the invention, the perforated plate 4, the filter cloths 5 and the impact plate 6 are fixed to the bottom plate 12.

According to the embodiment of the invention, two ends of the shell 1 are respectively provided with a gas inlet 2 and a gas outlet 3, wherein the gas inlet 2 is used for introducing mixed oil gas to be separated, and the gas outlet 3 is used for discharging separated gas. Specifically, an air inlet 2 and an air outlet 3 are provided at both ends of the upper housing 12, respectively.

According to the embodiment of the invention, the bottom of the shell 1 is provided with a leakage hole 7 for guiding out separated oil drops. In particular, the weep hole 7 is provided in the bottom plate 12. Preferably, the leak hole 7 is arranged between the orifice plate 4 and the filter cotton 5, or between the filter cotton 5 and the impact plate 6, or between the orifice plate 4 and the air inlet 2, or between the impact plate 6 and the air outlet 3, or below the filter cotton 5. The drain hole 7 is connected to the oil pan for returning the separated oil droplets to the oil pan for reuse.

According to the embodiment of the invention, the pore plate 4 is arranged inside the shell 1, the pore plate 4 divides the space inside the shell into two parts, a plurality of through holes 41 are arranged on the pore plate 4, the through holes 41 face the air inlet 2, and the through holes 41 are used for gathering oil particles in the mixed oil gas. Wherein, the trompil face of orifice plate 4 is towards air inlet 2, and the edge of orifice plate 4 is connected with the inner wall of shell 1 for the mixture oil gas that gets into from air inlet 2 must pass through hole 41 on orifice plate 4. When the mixed oil gas passes through the through hole 41, the direction of the air flow is changed, the flow speed is increased, tiny oil particles in the mixed oil gas are converged, the diameter of the oil particles is increased, and subsequent interception, adsorption and convergence are facilitated.

According to an embodiment of the present invention, the plurality of through holes 41 are evenly distributed on the orifice plate 4.

According to the embodiment of the invention, the thickness of the orifice plate 4 is 5-8 mm, namely, the depth of the through hole 41 is 5-8 mm. In a further preferable scheme, the diameter of one end, facing the air inlet 2, of the through hole 41 is larger than that of the other end of the through hole, and furthermore, turbulence lines are arranged on the inner wall of the through hole 41, so that the gathering effect of oil particles in the mixed oil gas in the through hole 41 is further enhanced.

According to the embodiment of the invention, the diameter of the through hole 41 is 1-3 mm, so that tiny oil particles in the mixed oil gas can be effectively converged into the oil particles which can be intercepted and adsorbed by the filter cotton 5.

According to the embodiment of the present invention, the through holes 41 are provided at the lower portion of the orifice plate 4, and preferably, the height of each through hole 41 is lower than the height of the upper end of the filter cotton 5.

According to the embodiment of the invention, the filter cotton 5 is arranged between the pore plate 4 and the air outlet 3, the space between the pore plate 4 and the air outlet 3 is divided into two parts by the filter cotton 5, and the filter cotton 5 is used for intercepting and adsorbing oil particles in the mixed oil gas after passing through the pore plate 4. The mixed oil gas passes through the through holes 41 and then impacts on the filter cotton 5, and oil particles in the mixed oil gas penetrate through the filter cotton after being intercepted and adsorbed by the filter cotton.

According to the embodiment of the invention, the impact plate 6 is arranged between the filter cotton 5 and the air outlet 3, the impact surface of the impact plate 6 faces the filter cotton 5, the lower end of the impact plate 6 is connected with the shell 1, a gap is arranged between the upper end of the impact plate 6 and the shell 1, the gap is communicated with the air outlet 3, and the impact plate 6 is used for intercepting and gathering oil particles of mixed oil gas which passes through the filter cotton 5 and impacts on the impact plate 6.

According to the embodiment of the invention, as shown in fig. 4, after the mixed oil gas penetrating through the filter cotton 5 collides with the impact plate 6, the flow direction changes, oil particles in the mixed oil gas are gathered on the impact plate 6 to form oil drops 10, and the oil drops 10 flow downwards along the impact plate 6 under the action of gravity and return to the oil pan through the drain holes 7.

According to the embodiment of the invention, the impact plate 6 is provided with a plurality of protrusions 61 on one surface facing the filter cotton 5, and the plurality of protrusions 61 are used for intercepting and gathering oil particles of the mixed oil gas after passing through the filter cotton 5. Wherein, the flow direction changes to flow to the top of shell 1 after striking plate 6 to the mist, and the mist is when protruding 61, and because of part mist flow direction changes and then takes place inertial collision in protruding 61 department, the oil particle in the mist assembles in protruding 61 department and forms oil droplet 10, flows down along striking plate 6 under the action of gravity, and the diameter grow of the remaining oil particle in the mist.

According to the embodiment of the invention, the mixed oil-gas flow passing through the impingement plate 6 impinges on the top of the casing 1 upwards, the flow direction changes again, and the mixed oil-gas flow converges on the top of the casing 1 into oil droplets 10, flows downwards under the action of gravity, and finally returns to the oil pan through the drain holes 7.

According to the embodiment of the present invention, there is a gap between the upper end of the filter cotton 5 and the top of the housing 1. Specifically, the mixed oil gas passing through the through holes 41 mainly passes through the filter cotton 5 to be intercepted and adsorbed, and a small part of the mixed oil gas changes the flow direction and moves upwards, and then is converged into oil drops 10 after impacting the top of the shell 1, flows downwards under the action of gravity, and finally returns to the oil pan through the drain holes 7.

According to the embodiment of the invention, the filter cotton fixing plate comprises a hollow filter cotton fixing plate 51, the filter cotton fixing plate 51 is used for fixing the filter cotton 5 and controlling the deformation of the filter cotton 5, and the filter cotton fixing plate 51 is detachably connected with the bottom plate 12, specifically, the filter cotton fixing plate is connected with the bottom plate by a buckle, a pin key, a bolt or the like, so that the filter cotton 5 can be replaced conveniently in the later period.

According to the embodiment of the invention, the thickness of the filter cotton 5 is 5-10 mm, most of oil particles in the mixed oil gas can be effectively intercepted and adsorbed, and the volume of the device is not increased.

According to an embodiment of the invention, the orifice plate 4, the filter cloths 5 and the impact plate 6 are arranged in parallel, as shown in fig. 3.

According to the embodiment of the invention, as shown in FIG. 4, FIG. 4 is a schematic view of the working principle of the oil-gas separation device for filter cotton provided by the embodiment of the invention, wherein, the hollow arrow is the mixed oil gas flow direction 8, the solid arrow is the oil drop flow direction 9, the working principle of the filter cotton oil gas separation device provided by the invention is that the mixed oil gas passes through the through holes 41 on the pore plate 4 to be converged, the diameter of the tiny oil particles is enlarged, most of the mixed oil gas passes through the filter cotton 5, the oil particles in the mixed oil gas are intercepted and adsorbed by the filter cotton 5, and the flow direction of a small part of the mixed oil gas is changed to move upwards, the flow direction changes after the mixed oil gas collides with the top of the shell 1 and is converged into oil drops 10 at the collision position, the mixed oil gas passing through the filter cotton 5 collides with the collision plate 6, the flow direction changes again and moves upwards to collide with the top of the shell 1, and meanwhile, the mixed oil gas is converged into the oil drops 10 on the collision plate 6 and the top of the shell 1. The collected oil droplets flow down to the bottom plate 12 by the neutral action and then return to the oil pan through the drain holes 7.

Gather through the through-hole 41 on the orifice plate 4 and become bigger size oil granule to tiny oil granule in the oil gas mixture, and then through the absorption and the interception of filter pulp 5 and through striking board 6 interception and assemble, can have a fine absorption and the effect of gathering to tiny oil granule in the oil gas mixture.

The invention also discloses a cotton-filtering oil-gas separator which comprises at least one cotton-filtering oil-gas separation device, wherein if the number of the cotton-filtering oil-gas separation devices is more than 1, the plurality of cotton-filtering oil-gas separation devices are sequentially connected in series, and the gas inlets and the gas outlets of two adjacent cotton-filtering oil-gas separation devices are connected. The cotton filtering oil-gas separator consisting of the plurality of cotton filtering oil-gas separating devices further enhances the absorption effect on tiny oil particles and is suitable for modular application. In addition, the shape of the engine can be changed according to actual needs so as to adapt to different working environments, the universality is good, the engine is suitable for various engines, and the engine is particularly suitable for being used in narrow spaces.

A plurality of filter pulp oil-gas separation devices are used in series, and compared with a single filter pulp oil-gas separation device, the filter pulp oil-gas separation device further enhances the absorption effect on tiny oil particles, and is suitable for modularized popularization and application. The single filter cotton oil-gas separation device is small in size and good in universality, can be adjusted and installed adaptively according to actual installation positions, is suitable for various engines, and is particularly suitable for being used in narrow spaces.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.