CN1844644A - Oil-gas separator - Google Patents

Oil-gas separator Download PDF

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Publication number
CN1844644A
CN1844644A CN 200610044465 CN200610044465A CN1844644A CN 1844644 A CN1844644 A CN 1844644A CN 200610044465 CN200610044465 CN 200610044465 CN 200610044465 A CN200610044465 A CN 200610044465A CN 1844644 A CN1844644 A CN 1844644A
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China
Prior art keywords
oil
gas
separator
disengagement chamber
separating plant
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CN 200610044465
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Chinese (zh)
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CN100414077C (en
Inventor
郎丰泰
吉学之
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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Priority to CNB2006100444652A priority Critical patent/CN100414077C/en
Publication of CN1844644A publication Critical patent/CN1844644A/en
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Publication of CN100414077C publication Critical patent/CN100414077C/en
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Abstract

The invention relates to an oil-gas separator, which comprises an oil-gas pre-separator and an oil-gas separator used to separate oil and gas via expansion. Wherein, the gas outlet of oil-gas pre-separator is through to the gas inlet of oil-gas separator; the oil-gas pre-separator and the oil-gas separator have their independent oil flux; the oil and gas from the crank box via expanding has slow speed, while some oil is deposited on the inner wall of expansion frame to be collected via flux oil tube to the oil bottom frame; the non-separated oil and gas via gas outlet tube is fed to the main separator; since it processes pre-separation, the oil and air can be separated completely; the pre-separator can prolong the service life of whole system; the oil and gas via two separation are separated effectively, to improve the reliability of whole machine.

Description

Gas and oil separating plant
Technical field
The present invention relates to the device that a kind of oil gas that crankcase is discharged separates.
Background technique
Contain organic oil in the mixed gas of the crankcase scavenged of internal-combustion engine, in reclaiming combustion process, can be adsorbed on each parts of internal-combustion engine, form carbon deposit, reduce the service behaviour of internal-combustion engine, quicken the waste of internal-combustion engine abrasion and machine oil, reduce engine operation efficient, shorten the life-span, discharge more harmful gas befouling environment simultaneously.Common deaerator mainly is that the filtration by filter screen comes separation oil and gas, but exists filter disc or filter screen to stop up easily equally, under the effect of internal-combustion engine continuous negative pressure, can not regulate with the balance crankcase in pressure.Someone also design other as the labyrinth, gas and oil separating plants such as negative pressure control, but all exist can not regulate with the balance crankcase pressure with can not separate technical problems such as vaporific machine oil fully efficiently.
The deaerator that uses on the internal-combustion engine is because the airspeed of exhausted by crankcase changes greatly at present, carry a large amount of olesomes in the oil gas secretly, general deaerator is difficult to satisfy the requirement of Oil-gas Separation, will stop up piece-rate system in short time, cause Oil-gas Separation not thorough, the working life of having reduced piece-rate system.
Summary of the invention
Technical problem to be solved by this invention provides a kind of gas and oil separating plant that can separate vaporific machine oil fully efficiently.
For achieving the above object, technological scheme of the present invention is: gas and oil separating plant, it comprises that the oil gas that carries out Oil-gas Separation by diffusion gives separator and deaerator, the air outlet that oil gas gives separator is communicated with the suction port of deaerator, and oil gas gives separator and deaerator and has separately return opening.
As a kind of improvement, described deaerator comprises the end cap of the opening of shell separator and shutoff shell separator, be arranged on the suction port on shell separator top, be arranged on the air outlet of shell separator bottom, be positioned at the return opening of shell separator bottom), wherein: the enclosed cavity that described shell separator and end cap constitute is separated into first disengagement chamber and second disengagement chamber by dividing plate; Described suction port tangentially is arranged on the sidewall of described first disengagement chamber, and described air outlet is arranged on the sidewall of second disengagement chamber; Be provided with filtrating equipment between described first disengagement chamber and second disengagement chamber; Be provided with pressure regulator valve between the described air outlet and second disengagement chamber.The enclosed cavity that described shell separator and end cap constitute is separated into first disengagement chamber and second disengagement chamber by dividing plate; Described suction port tangentially is arranged on the sidewall of described first disengagement chamber, and described air outlet is arranged on the sidewall of second disengagement chamber; Be provided with filtrating equipment between described first disengagement chamber and second disengagement chamber; Be provided with pressure regulator valve between the described air outlet and second disengagement chamber.
As a kind of improvement, described oil gas gives separator and comprises the suction tude that is connected with crank case of internal combustion engine relief opening pipe, the tail end of described suction tude is connected with air-flow path and becomes big oil-air pressure diffusion housing gradually, the rear portion of diffusion housing is provided with diffusion housing blanking cover, be connected with the steam outlet pipe that is connected with the inlet tube of I. C. engine oil gas separating device on the described housing blanking cover, the lowest part of described diffusion housing is provided with return tube.
Owing to adopt technique scheme, gas and oil separating plant comprises that the oil gas that carries out Oil-gas Separation by diffusion gives separator and deaerator, the air outlet that oil gas gives separator is communicated with the suction port of deaerator, and oil gas gives separator and deaerator and has separately return opening; Flow velocity slows down behind the oil gas diffusion from crankcase, and a part of machine oil compiles the back and gets back to oil sump by return tube under deposition on the diffusion inner walls, and unsegregated oil gas enters main separator again by steam outlet pipe; Because give separation in advance, it is more thoroughly clean to make that machine oil and air separation get, good separating effect; Give the setting of separation, prolonged the working life of entire separation system; Oil gas separates through two-stage, and separating effect strengthens greatly, has improved the reliability of complete machine.
The suction port of described deaerator tangentially is arranged on the sidewall of described first disengagement chamber, and oil laden air is rotated in first disengagement chamber, rely on centrifugal force with the machine oil particle adhesion to the sidewall of first disengagement chamber, and compile and flow to second disengagement chamber; The oil droplet that compiles flows to second disengagement chamber with the gas that contains the tiny oil droplets particle by filtrating equipment, and this moment, oil gas was further separated; Be provided with pressure regulator valve between the described air outlet and second disengagement chamber, when the air pressure in second disengagement chamber is low, pressure regulator valve will reduce aperture, discharges to prevent that machine oil from refluxing and entering relief opening from oil sump, keeps the stable purpose of crankcase pressure thereby reach.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is that the B-B of Fig. 1 is to sectional view.
Embodiment
As shown in Figure 1, gas and oil separating plant, comprise that the oil gas that carries out Oil-gas Separation by diffusion gives separator 10 and deaerator 20, the air outlet 8 that oil gas gives separator is communicated with the suction port of deaerator 2, and oil gas gives separator 10 and deaerator 20 and has separately return opening 9,5.
Described deaerator 20 comprises the end cap 11 of the opening of shell separator 1 and shutoff shell separator 1, is arranged on the suction port 2 on shell separator 1 top, is arranged on the air outlet 3 of shell separator 1 bottom, is positioned at the return opening 5 of shell separator 1 bottom; The enclosed cavity that described shell separator 1 and end cap 11 constitute is separated into the first disengagement chamber 1a and the second disengagement chamber 1b by dividing plate 41;
As shown in Figure 2, described suction port 2 tangentially is arranged on the sidewall of the described first disengagement chamber 1a, described air outlet 3 is arranged on the sidewall of the second disengagement chamber 1b, this structure is rotated oil laden air in first disengagement chamber, rely on centrifugal force with the machine oil particle adhesion to the sidewall of first disengagement chamber, and compile and flow to second disengagement chamber, with oil droplet bigger in the oil gas and air separation; Be provided with filtrating equipment 4 between the described first disengagement chamber 1a and the second disengagement chamber 1b, described filtrating equipment 4 comprises the filter screen that inner chamber communicates with the first disengagement chamber 1a, and described filter screen body is positioned at the second disengagement chamber 1b, and its effect is by filter type oil gas further to be separated.
As shown in Figure 3, be provided with pressure regulator valve 1d between the described air outlet 3 and the second disengagement chamber 1b, described pressure regulator valve 1d comprises the valve port 1d2 that is arranged on the second disengagement chamber 1b housing, can seal the spool 1d1 of valve port 1d2, the end face of the shutoff valve port 1d2 of described spool 1d1 is positioned at the separation of air circulation passage, the other end of described spool 1d1 is positioned at atmospheric side, and described spool 1d1 also is provided with the spring 1d3 that keeps spool 1d1 to have certain aperture.The principle of this valve is that spool overcomes the elastic force of spring 1d3 under the effect of atmospheric pressure, press to valve port 1d2 when the pressure in the second disengagement chamber 1b is low, so aperture reduces, pressure rises.Because air outlet of the present invention is connected on the suction tude of internal-combustion engine generally speaking, flow air has certain pumping action to air outlet of the present invention, when filter core obstruction air pressure is low, this valve will cut out because of suction function, has avoided machine oil to be back in the deaerator and enters in the intake lines of combustion engines.
As shown in Figure 1, be provided with relief valve 1c between the sidewall of the described first disengagement chamber 1a and the atmosphere, for example be arranged on the circumferential side wall of the first disengagement chamber 1a or on the end cap 11, present embodiment is that relief valve 1c will be arranged on the end cap 11; The effect of relief valve 1c is that oil gas enters into atmosphere by relief valve 1c when filter core stops up comparatively seriously, plays the protection deaerator and reminds the more effect of renew cartridge of staff.Described shell separator 1 bottom becomes to be convenient to compile the funnel-like of oil droplet, can guarantee that the machine oil that separates flows back to oil sump as early as possible.
As shown in Figure 1, described oil gas gives separator 10 and comprises the suction tude 6 that is connected with crank case of internal combustion engine relief opening pipe, the tail end of described suction tude 6 is connected with air-flow path and becomes big oil-air pressure diffusion housing 7 gradually, the rear portion of diffusion housing 7 is provided with diffusion housing blanking cover 71, be connected with the steam outlet pipe 8 that is connected with the inlet tube of I. C. engine oil gas separating device on the described housing blanking cover 71, the lowest part of described diffusion housing 7 is provided with return tube 9.Described diffusion housing 7 is the awl tubular of hollow, and this structure pressure change is mild, vibrate little, noise free, and manufacturing process is simple.Described steam outlet pipe 8 extend in the diffusion chamber in the described blanking cover 71, guarantees that oil gas has more collision and compiles chance, improves separation effect.
The present invention is simple in structure, and separation effect and separating effect are higher, can be widely used in various internal-combustion engines, the Oil-gas Separation of especially medium-and-large-sized diesel engine.

Claims (10)

1. gas and oil separating plant, it is characterized in that: it comprises that the oil gas that carries out Oil-gas Separation by diffusion gives separator (10) and deaerator (20), the air outlet (8) that oil gas gives separator is communicated with the suction port of deaerator (2), and oil gas gives separator (10) and deaerator (20) and has separately return opening (9,5).
2. gas and oil separating plant as claimed in claim 1, it is characterized in that: described deaerator (20) comprises the end cap (11) of the opening of shell separator (1) and shutoff shell separator (1), be arranged on the suction port (2) on shell separator (1) top, be arranged on the air outlet (3) of shell separator (1) bottom, be positioned at the return opening (5) of shell separator (1) bottom, wherein:
The enclosed cavity that described shell separator (1) and end cap (11) constitute is separated into first disengagement chamber (1a) and second disengagement chamber (1b) by dividing plate (41);
Described suction port (2) tangentially is arranged on the sidewall of described first disengagement chamber (1a), and described air outlet (3) are arranged on the sidewall of second disengagement chamber (1b);
Be provided with filtrating equipment (4) between described first disengagement chamber (1a) and second disengagement chamber (1b);
Be provided with pressure regulator valve (1d) between described air outlet (3) and second disengagement chamber (1b).
3. gas and oil separating plant as claimed in claim 2 is characterized in that: be provided with relief valve (1c) between the sidewall of described first disengagement chamber (1a) and the atmosphere.
4. gas and oil separating plant as claimed in claim 3 is characterized in that: described relief valve (1c) is arranged on the end cap (11).
5. gas and oil separating plant as claimed in claim 2 is characterized in that: described filtrating equipment (4) comprises the filter screen that inner chamber communicates with first disengagement chamber (1a), and described filter screen body is positioned at second disengagement chamber (1b).
6. gas and oil separating plant as claimed in claim 2, it is characterized in that: described pressure regulator valve (1d) comprises the valve (1d2) that is arranged on second disengagement chamber (1b) housing, can seal the spool (1d1) of valve port (1d2), the end face of the shutoff valve port (1d2) of described spool (1d1) is positioned at the separation of air circulation passage, the other end of described spool (1d1) is positioned at atmospheric side, and described spool (1d1) also is provided with the spring (1d3) that keeps spool (1d1) to have certain aperture.
7. gas and oil separating plant as claimed in claim 2 is characterized in that: described shell separator (1) bottom becomes to be convenient to compile the funnel-like of oil droplet.
8. gas and oil separating plant as claimed in claim 2, it is characterized in that: described oil gas gives separator (10) and comprises the suction tude (6) that is connected with crank case of internal combustion engine relief opening pipe, the tail end of described suction tude (6) is connected with air-flow path and becomes big oil-air pressure diffusion housing (7) gradually, the rear portion of diffusion housing (7) is provided with diffusion housing blanking cover (71), be connected with the steam outlet pipe (8) that is connected with the inlet tube of I. C. engine oil gas separating device on the described housing blanking cover (71), the lowest part of described diffusion housing (7) is provided with return tube (9).
9. gas and oil separating plant as claimed in claim 8 is characterized in that: described diffusion housing (7) is the awl tubular of hollow.
10. gas and oil separating plant as claimed in claim 8 is characterized in that: described steam outlet pipe (8) extend in the interior diffusion chamber of described blanking cover (71).
CNB2006100444652A 2006-03-07 2006-03-07 Oil-gas separator Active CN100414077C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100444652A CN100414077C (en) 2006-03-07 2006-03-07 Oil-gas separator

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CNB2006100444652A CN100414077C (en) 2006-03-07 2006-03-07 Oil-gas separator

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CN100414077C CN100414077C (en) 2008-08-27

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102061963A (en) * 2011-01-19 2011-05-18 奇瑞汽车股份有限公司 Combined type engine crankcase ventilation system
CN102705040A (en) * 2012-06-18 2012-10-03 南充凌云高聚制造有限公司 Independent external-mounting maintenance-free multi-stage oil and gas separator assembly
CN102720563A (en) * 2012-05-31 2012-10-10 宁波市鄞州德来特技术有限公司 Cylinder cover oil-gas separation device
CN103016100A (en) * 2012-12-28 2013-04-03 安徽江淮汽车股份有限公司 Oil storage device for open respiratory system and open respiratory system
CN103089370A (en) * 2013-01-28 2013-05-08 周伟波 Energy conservation and emission reduction method for fuel vehicle and energy conservation and emission reduction device special for fuel vehicle
CN103266931A (en) * 2013-05-27 2013-08-28 安徽江淮汽车股份有限公司 Oil-gas separator and oil-gas separation pipeline
CN103670600A (en) * 2013-12-09 2014-03-26 中国重汽集团济南动力有限公司 Oil-gas separation system for engine crank case
CN103790674A (en) * 2012-10-31 2014-05-14 重庆长安汽车股份有限公司 Oil-gas separator
CN109681290A (en) * 2019-01-30 2019-04-26 重庆安来动力机械有限公司 A kind of oil-gas separating device of internal combustion engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272371A (en) * 1980-02-21 1981-06-09 Fram-Israelson Enterprises Lubricating oil filter-refiner for internal combustion engines
US5168721A (en) * 1991-03-28 1992-12-08 K-Whit Tools, Inc. Refrigerant recovery device
CN1133504C (en) * 2001-02-28 2004-01-07 石油大学(北京) Efficient cyclone separator for gas delivering pipeline
EP1241327A1 (en) * 2001-03-13 2002-09-18 Mitsubishi Heavy Industries, Ltd. Oil separator
CN2648068Y (en) * 2003-10-03 2004-10-13 胜利油田胜利工程设计咨询有限责任公司 High efficiency three phase separating device
CN2888089Y (en) * 2006-03-07 2007-04-11 潍柴动力股份有限公司 Oil-gas separating device

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102061963A (en) * 2011-01-19 2011-05-18 奇瑞汽车股份有限公司 Combined type engine crankcase ventilation system
CN102061963B (en) * 2011-01-19 2016-01-13 奇瑞汽车股份有限公司 A kind of Combined type engine crankcase ventilation system
CN102720563A (en) * 2012-05-31 2012-10-10 宁波市鄞州德来特技术有限公司 Cylinder cover oil-gas separation device
CN102705040A (en) * 2012-06-18 2012-10-03 南充凌云高聚制造有限公司 Independent external-mounting maintenance-free multi-stage oil and gas separator assembly
CN102705040B (en) * 2012-06-18 2014-08-13 南充凌云高聚制造有限公司 Independent external-mounting maintenance-free multi-stage oil and gas separator assembly
CN103790674B (en) * 2012-10-31 2016-08-31 重庆长安汽车股份有限公司 A kind of gs-oil separator
CN103790674A (en) * 2012-10-31 2014-05-14 重庆长安汽车股份有限公司 Oil-gas separator
CN103016100A (en) * 2012-12-28 2013-04-03 安徽江淮汽车股份有限公司 Oil storage device for open respiratory system and open respiratory system
CN103089370A (en) * 2013-01-28 2013-05-08 周伟波 Energy conservation and emission reduction method for fuel vehicle and energy conservation and emission reduction device special for fuel vehicle
CN103266931B (en) * 2013-05-27 2015-01-28 安徽江淮汽车股份有限公司 Oil-gas separator and oil-gas separation pipeline
CN103266931A (en) * 2013-05-27 2013-08-28 安徽江淮汽车股份有限公司 Oil-gas separator and oil-gas separation pipeline
CN103670600A (en) * 2013-12-09 2014-03-26 中国重汽集团济南动力有限公司 Oil-gas separation system for engine crank case
CN109681290A (en) * 2019-01-30 2019-04-26 重庆安来动力机械有限公司 A kind of oil-gas separating device of internal combustion engine

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