WO2009070963A1 - Dispositif de séparation huile-gaz - Google Patents

Dispositif de séparation huile-gaz Download PDF

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Publication number
WO2009070963A1
WO2009070963A1 PCT/CN2008/001838 CN2008001838W WO2009070963A1 WO 2009070963 A1 WO2009070963 A1 WO 2009070963A1 CN 2008001838 W CN2008001838 W CN 2008001838W WO 2009070963 A1 WO2009070963 A1 WO 2009070963A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
air
oil
wall
gas separation
Prior art date
Application number
PCT/CN2008/001838
Other languages
English (en)
Chinese (zh)
Inventor
Zhicai Hong
Original Assignee
Zhicai Hong
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN2007101568873A external-priority patent/CN101440734B/zh
Priority claimed from CNU2008201217576U external-priority patent/CN201221391Y/zh
Application filed by Zhicai Hong filed Critical Zhicai Hong
Publication of WO2009070963A1 publication Critical patent/WO2009070963A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M2013/0038—Layout of crankcase breathing systems
    • F01M2013/005—Layout of crankcase breathing systems having one or more deoilers
    • F01M2013/0061—Layout of crankcase breathing systems having one or more deoilers having a plurality of deoilers
    • F01M2013/0072—Layout of crankcase breathing systems having one or more deoilers having a plurality of deoilers in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0422—Separating oil and gas with a centrifuge device
    • F01M2013/0427—Separating oil and gas with a centrifuge device the centrifuge device having no rotating part, e.g. cyclone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0438—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a filter

Definitions

  • the invention relates to an oil and gas separator, in particular to a safe and environmentally-friendly high-efficiency oil and gas separation device for separating oil and gas discharged from a crankcase.
  • the mixed gas discharged from the crankcase of an internal combustion engine contains engine oil.
  • it is adsorbed on various internal combustion engine parts to form carbon deposits, which reduces the working performance of the internal combustion engine, accelerates the wear of the internal combustion engine and wastes oil, and reduces the engine operating efficiency. , shorten the life, and discharge more harmful gases to pollute the environment. Therefore, in order to recover the oil in the mixed gas, an oil and gas separation device has been designed.
  • an oil and gas separation device of Chinese Patent No. 95218800. 7 is provided with a spiral separation pipe in a closed casing, and the crankcase discharge is mixed.
  • the gas is sprayed on the separation pipe, and the oil is temporarily applied to the separation pipe and flows out along the separation pipe.
  • the invention has a simple structure, it can only separate the large-sized oil of the droplets, and does not have a good separation effect on the misty oil.
  • Diesel Engine Oil and gas separation device Choinese Patent No.: 08 001838
  • the invention mainly aims at the technical problems existing in the prior art that the crankcase pressure cannot be balanced, the separation efficiency is low, there are safety hazards, the service life is short, the absolute circulation of the gas cannot be realized, the manufacturing cost is high, and the like, and the crankshaft can effectively balance the crankshaft.
  • High-efficiency oil-gas separation device with high box pressure, high separation efficiency, safety and environmental protection, long service life, absolute gas circulation and low manufacturing cost.
  • a safe and environmentally-friendly high-efficiency oil-gas separation device comprising a box body, an upper cover, an air inlet, an air outlet, and a oil return port disposed at the bottom of the cabinet
  • the filter I is disposed between the air inlet and the air outlet, and divides the cavity into a filter front cavity and a filter cavity.
  • the filter front cavity is provided with a oil retaining ring, which is characterized in that
  • the upper end of the filter network I is provided with an annular filter net II, and a partition plate is disposed between the filter net I and the filter net II, and the partition plate is provided with a plurality of sets of through holes.
  • the annular filter screen II is disposed between the upper cover and the partition plate, which increases the contact area between the filter screen and the oil and gas, and improves the separation efficiency;
  • the partition plate disposed between the filter net I and the filter net II is provided with a plurality of A set of regular through holes, the compensation air is respectively plunged into the filter I and the filtered cavity through the through holes in the partition, and the filter II can not only filter the dust from the air, but also separate the oil and gas entering from the bypass hole.
  • the turbocharger can stabilize the effect of negative pressure on the filter I, and maintain the adhesion of the oil on the filter I; when the air enters under the negative pressure
  • the compensation air can speed up the downward flow of the oil, prevent the filter from being saturated with the oil, and improve the passage of the gas on the filter I;
  • it can intercept oil particles with smaller particle size, and can greatly improve the separation efficiency of oil and gas under the same density filter.
  • the outer wall of the box is provided with a bypass hole
  • the outer side of the outer wall of the box is provided with a misaligned bypass channel
  • an alarm device or a safety valve is disposed on the channel wall of the misaligned bypass channel
  • a sound absorbing cover is disposed outside the misaligned side channel
  • the passage wall of the resonance cover and the misalignment bypass passage constitutes an air passage, and the air passage communicates with an air compensation hole opened on the upper cover of the casing.
  • the oil and gas separation device may adopt an external misalignment bypass structure, and a cavity between the resonance cover disposed outside the misalignment bypass channel and the channel wall of the misalignment bypass channel forms an air passage, and excess mixed gas in the casing is from the outer wall of the casing
  • the opened bypass hole flows out, merges with the compensation air flowing in the air passage through the misalignment bypass passage and the alarm device or safety valve provided on the passage wall, and enters the tank from the air compensation hole for secondary filtration; when the filter is blocked
  • the alarm device will automatically alarm to remind the user to replace or clean the filter screen in time; 01838
  • the alarm device can be configured with a buzzer, a safety valve, an indicator light, etc.
  • the resonance cover disposed outside the misaligned bypass channel can resonate when the winder alarms, and enhances the wind sound.
  • An anti-backflow valve can be provided in the misalignment bypass channel as needed to effectively prevent the compensation air from flowing back into the pre-filtration chamber of the oil and gas separation device.
  • the inner side of the outer wall of the box is provided with a misaligned bypass channel
  • the outer wall of the box is provided with a bypass hole
  • the bypass hole is provided with an alarm device or a safety valve
  • a soundproof cover is disposed outside the outer wall of the box
  • the resonance cover and the outer wall of the casing constitute an air passage
  • the air passage communicates with an air compensation hole opened on the upper cover of the casing.
  • the oil and gas separation device can adopt a built-in misalignment bypass structure, and a cavity between the resonance cover disposed outside the outer wall of the box and the outer wall of the box forms an air passage, and the excess mixed gas in the tank passes through the misaligned side passage and the outer wall of the box.
  • the bypass hole After the bypass hole is arranged, it merges with the compensation air flowing in the air passage, and enters the tank from the air compensation hole for secondary filtration.
  • the alarm device When the filter is clogged, the mixed gas flowing through the alarm device exceeds the safe flow, the alarm device will Automatic alarm, remind the user to replace or clean the filter screen in time; the alarm device can adopt the structure of winder, safety valve, indicator light, etc.
  • the resonance cover set outside the outer wall of the box can resonate when the wind alarm is alarmed. , enhance the sound of the wind.
  • An anti-backflow valve can be installed in the side channel of the misalignment as needed to effectively prevent the compensation air from flowing back into the pre-filtration chamber of the oil and gas separation device.
  • the outer wall of the box is provided with a bypass hole, and an air circulation tube is connected to the outer side of the bypass hole, and one end of the air circulation tube is connected with a three-way tube, one end of the three-way tube is connected with the air inlet tube, and the other end is connected with
  • the air compensation holes opened on the upper cover of the box are connected, and the anti-backflow valve is arranged in the air circulation pipe.
  • the oil-gas separation device can adopt a bridge type misaligned bypass structure, and excess mixed gas in the tank flows into the air flow pipe through the bypass hole, and the compensation air flow flowing into the intake pipe And, together with the secondary compensation from the air compensation hole into the tank, the structure realizes the absolute circulation of the gas, does not leak the exhaust gas into the atmosphere, and the anti-backflow valve provided in the air circulation pipe can effectively prevent the inflow of the intake pipe
  • the compensation air flows back into the oil and gas separation device through the air flow pipe.
  • the air compensation hole is located above the filter net II, and an air baffle is disposed between the air compensation hole and the filter net II.
  • the excess mixed gas in the tank merges with the compensation air flowing in the air passage through the bypass passage and the alarm device, and enters the tank from the air compensation hole for secondary filtration, and the air guide between the air compensation hole and the filter raft
  • the flow frame can effectively buffer the mixed gas that quickly enters from the air compensation hole, thereby increasing the contact area of the mixed gas with the filter II, and greatly improving the separation efficiency.
  • a vane type centrifugal device is disposed between the inner wall of the casing and the oil retaining ring in the pre-filtration chamber.
  • the vane type centrifugal device disposed between the inner wall of the tank and the oil retaining ring can effectively prolong the separation time and distance of oil and gas and impurities, enhance the flow speed of the air flow, improve the separation efficiency, reduce the burden of the filter net I, and prolong the filter net. Service life.
  • the filter chamber is provided with an air outlet tube, and a "U" type filter support frame is arranged at the bottom of the air outlet tube; the filter support frame is staggered with the bottom of the air outlet tube.
  • the "U” type filter support frame is used in combination with the outflow pipe misalignment. The filtered gas in the filtered cavity flows downward through the filter I under the action of negative pressure, and the filtered gas touches the bottom of the outlet pipe downwardly.
  • the filter support frame After the filter support frame, it flows upwards along the air outlet pipe until it is sucked out of the air outlet; on the other hand, the gas entering from the air compensation hole passes through the filter II and the partition plate and the filter I and then touches down
  • the "U" type filter support frame is arranged at the bottom of the air outlet pipe, the air outlet pipe flows upwards upward until the air outlet is sucked out; the invention changes the flow direction of the gas, and realizes the compensation gas cooling and separation.
  • the role of oil and gas The role of oil and gas.
  • the connecting portion of the air outlet pipe and the upper cover and the partition plate is provided with a locking device. Its structure is reasonable and its design is ingenious.
  • the bottom of the box body is provided with a tapered lower body, and the bottom of the lower body is connected with the oil return port.
  • the conical lower body is more conducive to collecting the oil droplets dripping on the filter net and recovering it to the oil return port. The structure is reasonable and the design is ingenious.
  • the present invention has the characteristics of being able to effectively balance the crankcase pressure, high separation efficiency, safety and reliability, long service life, simple structure, simplified production process, low manufacturing cost, and absolute gas circulation.
  • Figure 1 is a cross-sectional view showing the structure of the present invention.
  • Figure 2 is a cross-sectional view showing a second structure of the present invention.
  • Figure 3 is a cross-sectional view showing a third structure of the present invention. Best way to implement the invention
  • a safe and environmentally-friendly high-efficiency oil-gas separation device comprising a tank 1, an upper cover 2, an air inlet 3, an air outlet 4, and a return port 5 disposed at the bottom of the tank, the filter I 6 Between the air inlet and the air outlet, the cavity is divided into a filter chamber 7 and a filter chamber 8, and a oil retaining ring 9 is disposed in the filter chamber, and an annular filter mesh is disposed at the upper end of the filter network II.
  • a filter 11 is disposed between the filter I and the filter II, and a plurality of sets of through holes 12 are disposed on the partition; a vane type centrifugal device 23 is disposed between the inner wall of the filter and the oil retaining ring in the pre-filtration chamber.
  • a bypass hole 13 is defined in the outer wall of the box, and a misaligned bypass channel 14 is disposed on the outer side of the outer wall of the box, and an alarm device 15 is disposed on the channel wall of the misaligned side channel, and a resonance cover 16 is disposed outside the misaligned side channel, the resonance cover and the dislocation
  • the passage walls of the bypass passage constitute an air passage 24.
  • An air compensation hole 18 is disposed above the filter II, and an air compensation hole is located inside the air passage.
  • An air guide frame 19 is disposed between the air compensation hole and the filter screen II.
  • An air outlet pipe 20 is disposed in the filter chamber, and a "U" type mesh support frame 21 is disposed at the bottom of the air outlet pipe; the filter support frame and the bottom of the air outlet pipe are staggered.
  • a locking device 17 is disposed at the junction of the outlet pipe and the upper cover and the partition.
  • the bottom of the box is provided with a conical lower body 22, and the bottom of the lower body is connected with the oil return port.
  • the oil-gas separation device adopts an external dislocation bypass structure, and a cavity between the resonance cover disposed outside the misalignment bypass channel and the channel wall of the misalignment bypass channel forms an air passage, and excess mixed gas in the casing is opened from the outer wall of the casing
  • the bypass hole flows out, merges with the compensation air flowing in the air passage through the misalignment bypass passage and the alarm device or safety valve provided on the passage wall, and enters the tank from the air compensation hole for secondary filtration; when the filter is blocked, When the mixed gas flowing through the alarm device exceeds the safe flow rate, the alarm device will automatically alarm to remind the user to replace or clean the filter screen in time; the alarm device can adopt the structure of the winder, the safety valve, the indicator light, etc.
  • the resonance cover can resonate when the winder alarms, and enhances the sound of the wind.
  • the "U" type filter support frame is used in combination with the outflow pipe misalignment, and the filtered gas in the filtered cavity flows downward through the filter I under the action of the negative pressure, and the filtered gas is downwardly touched to the bottom of the gas outlet pipe.
  • a safe and environmentally-friendly high-efficiency oil-gas separation device comprising a casing 1, an upper cover 2, an air inlet 3, an air outlet 4, and a return port 5 disposed at the bottom of the tank, the filter I 6 Between the air inlet and the air outlet, the cavity is divided into a filter chamber 7 and a filter chamber 8, and a oil retaining ring 9 is disposed in the filter chamber, and an annular filter is disposed at the upper end of the filter screen. 10.
  • a partition 11 is disposed between the filter I and the filter II, and a plurality of sets of through holes 12 are disposed on the partition.
  • the inner side of the outer wall of the box is provided with a misaligned bypass channel 14, and the outer wall of the box is provided with a bypass hole 13 provided with an alarm device 15 on the outer side of the outer wall of the box, and a sound absorbing cover 16 is disposed outside the outer wall of the outer wall of the box, and the outer wall of the sound box and the outer wall of the box It becomes the air passage 24.
  • the rest of the structure is the same as that of the embodiment 1.
  • the oil and gas separation device adopts a built-in dislocation bypass structure, and a cavity between the resonance cover disposed outside the outer wall of the box and the outer wall of the box forms an air passage, and the excess mixed gas in the box passes through the misaligned side passage and the outer wall of the box.
  • the bypass hole After the bypass hole is set, it merges with the compensation air flowing in the air passage, and enters the tank from the air compensation hole for secondary filtration.
  • the alarm device When the filter is blocked and the mixed gas flowing through the alarm device exceeds the safe flow, the alarm device will automatically The alarm reminds the user to replace or clean the filter screen in time; the alarm device can adopt a structure such as a winder, a safety air valve and an indicator light, and the resonance cover disposed outside the outer wall of the box can resonate when the wind alarm is alarmed. Enhance the sound of the wind.
  • the "u" type filter support frame is used in combination with the outflow pipe misalignment, and the filtered gas in the filtered cavity flows downward through the filter I under the action of the negative pressure, and the filtered gas is downwardly touched to the bottom of the outlet pipe.
  • a safe and environmentally-friendly high-efficiency oil-gas separation device comprising a casing 1, an upper cover 2, an air inlet 3, an air outlet 4, and a return port 5 disposed at the bottom of the tank, the filter I 6
  • the utility model is disposed between the helium port and the air outlet, and divides the cavity into the pre-filtration chamber 7 and the filtering chamber 8.
  • the oil-repellent ring 9 is arranged in the pre-filtration chamber, and the annular filter 1110 is arranged at the upper end of the filter network I.
  • a partition 11 is disposed between the filter I and the filter II, and a plurality of sets of through holes 12 are disposed in the partition.
  • a bypass hole 13 is defined in the outer wall of the box, and an air circulation tube 27 is connected to the outside of the bypass hole.
  • a three-way tube 28 is connected to one end of the air circulation tube. One end of the three-way tube is connected to the air inlet tube 29, and the other end is opened in the cabinet.
  • the air compensation holes 18 on the upper cover communicate with each other, and an anti-backflow valve 26 is disposed in the air circulation pipe. The rest of the structure is the same as in the first embodiment.
  • the oil and gas separation device can adopt a bridge type misalignment bypass structure, and the excess mixed gas in the tank flows into the air circulation pipe through the bypass hole, and merges with the compensation air flowing in the intake pipe, and enters the tank from the air compensation hole together.
  • the structure realizes the absolute circulation of the gas, does not leak the exhaust gas to the atmosphere, and the anti-backflow valve provided in the air circulation pipe can effectively prevent The compensation air flowing into the intake pipe flows back into the oil and gas separation device through the air flow pipe.
  • the excess mixed gas in the tank passes through the air flow pipe and merges with the compensation air flowing in the intake pipe, and enters the tank from the air compensation hole for secondary filtration, and the air guide frame provided between the air compensation hole and the filter net II
  • the utility model can effectively buffer the mixed gas quickly entering from the air compensation hole, thereby increasing the contact area of the mixed gas and the filter mesh, and greatly improving the separation efficiency.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention porte sur un dispositif de séparation huile-gaz, qui comprend : un boîtier (1), un couvercle supérieur (2), un orifice d'entrée (3), un orifice de sortie (4), un orifice d'huile de retour (5) pratiqué dans la partie inférieure du boîtier, un filtre I (6) installé entre l'orifice d'entrée (3) et l'orifice de sortie (4), qui divise la chambre en une chambre pré-filtre (7) et une chambre post-filtre (8), un cylindre déflecteur (9) installé dans la chambre pré-filtre (7), un filtre annulaire II (10) installé au-dessus du filtre I (6), et une plaque d'espacement (11) agencée entre les deux filtres, ladite plaque d'espacement (11) comportant un certain nombre de perforations (12). Le dispositif peut équilibrer de façon efficace la pression dans le carter, et améliore l'efficacité de séparation.
PCT/CN2008/001838 2007-11-19 2008-11-03 Dispositif de séparation huile-gaz WO2009070963A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN200710156887.3 2007-11-19
CN2007101568873A CN101440734B (zh) 2007-11-19 2007-11-19 安全环保的高效油气分离装置
CN200820121757.6 2008-07-18
CNU2008201217576U CN201221391Y (zh) 2008-07-18 2008-07-18 绝对循环的桥式旁通油气分离装置

Publications (1)

Publication Number Publication Date
WO2009070963A1 true WO2009070963A1 (fr) 2009-06-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/001838 WO2009070963A1 (fr) 2007-11-19 2008-11-03 Dispositif de séparation huile-gaz

Country Status (1)

Country Link
WO (1) WO2009070963A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108457721A (zh) * 2018-05-05 2018-08-28 烟台工程职业技术学院 柴油机油气分离器
CN109331547A (zh) * 2018-11-08 2019-02-15 周琦人 油分罐结构
CN112627937A (zh) * 2020-12-18 2021-04-09 南京蓝氧滤清环保科技有限公司 一种油气分离装置
CN112901311A (zh) * 2021-03-22 2021-06-04 浙江安浮航空科技有限公司 一种负压式的油气分离装置

Citations (6)

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Publication number Priority date Publication date Assignee Title
US5201301A (en) * 1992-05-28 1993-04-13 Re-Tech, Inc. Adjustable ambient air filtering system and pollution control device
US5409514A (en) * 1991-09-03 1995-04-25 Ragusa; Guiseppe Air filter
CN2608694Y (zh) * 2003-02-27 2004-03-31 洪志才 内燃机的减压风鸣式油气分离器
CN2716516Y (zh) * 2004-07-01 2005-08-10 洪志才 平衡式油气分离器
WO2007129137A1 (fr) * 2006-05-09 2007-11-15 Dayco Fluid Technologies S.P.A. Dispositif séparateur de gaz contournant le piston pour moteur à combustion interne d'un véhicule à moteur
CN201162556Y (zh) * 2007-11-19 2008-12-10 洪志才 高效油气分离装置

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
US5409514A (en) * 1991-09-03 1995-04-25 Ragusa; Guiseppe Air filter
US5201301A (en) * 1992-05-28 1993-04-13 Re-Tech, Inc. Adjustable ambient air filtering system and pollution control device
CN2608694Y (zh) * 2003-02-27 2004-03-31 洪志才 内燃机的减压风鸣式油气分离器
CN2716516Y (zh) * 2004-07-01 2005-08-10 洪志才 平衡式油气分离器
WO2007129137A1 (fr) * 2006-05-09 2007-11-15 Dayco Fluid Technologies S.P.A. Dispositif séparateur de gaz contournant le piston pour moteur à combustion interne d'un véhicule à moteur
CN201162556Y (zh) * 2007-11-19 2008-12-10 洪志才 高效油气分离装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108457721A (zh) * 2018-05-05 2018-08-28 烟台工程职业技术学院 柴油机油气分离器
CN108457721B (zh) * 2018-05-05 2023-12-05 烟台工程职业技术学院 柴油机油气分离器
CN109331547A (zh) * 2018-11-08 2019-02-15 周琦人 油分罐结构
CN112627937A (zh) * 2020-12-18 2021-04-09 南京蓝氧滤清环保科技有限公司 一种油气分离装置
CN112901311A (zh) * 2021-03-22 2021-06-04 浙江安浮航空科技有限公司 一种负压式的油气分离装置

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