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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
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WO
WIPO (PCT)
Prior art keywords
filter
air
oil
wall
gas separation
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2008/001838
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English (en)
French (fr)
Inventor
Zhicai Hong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2009070963A1 publication Critical patent/WO2009070963A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/04Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M2013/0038Layout of crankcase breathing systems
    • F01M2013/005Layout of crankcase breathing systems having one or more deoilers
    • F01M2013/0061Layout of crankcase breathing systems having one or more deoilers having a plurality of deoilers
    • F01M2013/0072Layout of crankcase breathing systems having one or more deoilers having a plurality of deoilers in series
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/04Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0422Separating oil and gas with a centrifuge device
    • F01M2013/0427Separating oil and gas with a centrifuge device the centrifuge device having no rotating part, e.g. cyclone
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/04Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0438Crankcase 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)

Description

相关申请的交叉引用
本申请要求 2007 年 11 月 19 号提交的中国发明专利申请第 200710156887. 3号的优先权, 其全部内容在这里通过引用而并入。
本申请要求 2008 年 7 月 18 号提交的中国发明实用新型申请第 200820121757. 6号的优先权, 其全部内容在这里通过引用而并入。 技术领域
本发明涉及一种油气分离器, 尤其是涉及一种对曲轴箱排出的油气 进行分离的安全环保的高效油气分离装置。 背景技术
众所周知, 内燃机的曲轴箱排放的混合气体中含有机油, 在回收燃 烧过程中, 会吸附在内燃机各机件上, 形成积炭, 降低内燃机的工作性 能, 加速内燃机磨损和机油浪费, 降低发动机工作效率, 缩短寿命, 同 时排出更多的有害气体污染环境。 所以要回收混合气体中的机油, 故有 人设计了一种油气分离装置,例如中国专利号为 95218800. 7的一种油气 分离装置, 其在密闭外壳设置一个螺旋状分离管, 曲轴箱排出的混合气 体射到分离管上, 机油就暂敷着于分离管上并顺分离管流出, 该发明虽 结构简单, 但只能分离颗粒较大滴状机油, 对雾状机油起不了很好的分 离效果; 也有人设计一种柴油机的油气分离装置 (中国专利号: 08 001838
97202028. 4)有上下箱体, 芯轴和滤片, 滤片间有隔套及采用了滤网装 置, 该实用新型对以前技术有较大改进, 主要是通过滤网的过滤作用来 分离油气, 但是同样存在滤片或滤网容易堵塞, 在内燃机持续负压作用 下, 不能调节和平衡曲轴箱的压力, 雾状机油在滤片或滤网上的吸附力 不大, 就不能更好地分离雾状机油。 有人还设计其它的如迷宫, 负压控 制等油气分离装置, 但都存在不能调节和平衡曲轴箱压力和不能充分高 效地分离雾状机油等技术问题, 且非常容易堵塞滤网, 使用寿命较短, 更不能适应内燃机各时期、 各工况的技术要求。 此外, 现有的大多数油 气分离装置并不具备自动报警功能, 当油气分离装置因滤网堵塞造成装 置完全失效时, 使用者不能及时发现并对其进行清洗, 由此非常容易造 成内燃机的损坏, 给使用者造成重大损失。 发明的公开
本发明主要是针对现有技术所存在的不能平衡曲轴箱压力、 分离效 率低、 存在安全隐患、 使用寿命短、 无法实现气体绝对循环、 制造成本 高等的技术问题, 提供一种能够有效地平衡曲轴箱压力、 分离效率高、 安全环保、 使用寿命长、 能够实现气体绝对循环、 制造成本较低的高效 油气分离装置。
本发明的上述技术问题主要是通过下述技术方案得以解决的: 一种 安全环保的高效油气分离装置, 包括箱体、 上盖、 进气口、 出气口以及 设置在箱体底部的回油口, 过滤网 I设置在进气口和出气口之间, 把腔 体分隔成滤前腔体和滤后腔体, 滤前腔体内设置有挡油圈, 其特征在于 所述的过滤网 I上端设置有环状过滤网 II, 过滤网 I和过滤网 II之间设 置有隔板, 所述的隔板上设置有若干组通孔。 环状的滤网 II设置在上盖 和隔板之间, 增大了滤网与油气的接触面积、 提高了分离效率; 在过滤 网 I和过滤网 II之间设置的隔板上开设有若干组规则的通孔, 补偿空气 通过隔板上的通孔分别迸入滤网 I和滤后腔体, 滤网 II不但能够过滤来 自空气中的沙尘, 还能够分离从旁通孔进入的油气, 以确保涡轮增压器 的工作安全和工作性能; 另一方面, 还能够稳定负压在滤网 I上的作用, 保持机油在滤网 I上的附着力; 当空气在负压作用下进入滤网 I时, 由 于空气的流动方向与机油的重力方向一致, 因此, 补偿空气能加快机油 向下流动的速度, 防止滤网被机油饱和, 改善气体在滤网 I上的通过性; 另一方面, 空气交叉技术与滤网技术结合, 能拦截更小粒径的机油颗粒, 在相同密度滤网条件下, 能够大大提高油气的分离效率。
作为优选, 所述的箱体外壁上开设有旁通孔, 箱体外壁的外侧设置 有错位旁通道, 错位旁通道的通道壁上设置有报警装置或安全阀, 错位 旁通道外侧设置有共鸣罩, 所述共鸣罩与错位旁通道的通道壁构成了空 气通道, 所述空气通道与开设在箱体上盖上的空气补偿孔连通。 油气分 离装置可采用外置式的错位旁通结构, 错位旁通道外侧设置的共鸣罩与 错位旁通道的通道壁之间的空腔形成了空气通道, 箱体中过剩的混合气 体从箱体外壁上开设的旁通孔流出, 经错位旁通道及通道壁上设置的报 警装置或安全阀后与空气通道中流入的补偿空气汇合, 一起从空气补偿 孔进入箱体进行二次过滤; 当滤网堵塞, 流经报警装置的混合气体超过 安全流量时, 报警装置会自动报警, 提醒使用者及时更换或清洗滤网; 01838 报警装置可采用风鸣器、 安全气阀、 指示灯等结构, 错位旁通道外侧设 置的共鸣罩在风鸣器报警时能够起到共鸣的作用, 增强风鸣响声。 可根 据需要在错位旁通道内设置防倒流阀, 有效地防止补偿空气倒流进油气 分离装置的滤前腔体。
作为优选, 所述的箱体外壁的内侧设置有错位旁通道, 箱体外壁上 设置有旁通孔, 旁通孔上设置有报警装置或安全阀, 箱体外壁外侧设置 有共鸣罩, 所述共鸣罩与箱体外壁构成了空气通道, 所述空气通道与开 设在箱体上盖上的空气补偿孔连通。 油气分离装置可采用内置式的错位 旁通结构, 箱体外壁外侧设置的共鸣罩与箱体外壁之间的空腔形成了空 气通道, 箱体中过剩的混合气体经错位旁通道及箱体外壁上设置的旁通 孔后与空气通道中流入的补偿空气汇合, 一起从空气补偿孔进入箱体进 行二次过滤, 当滤网堵塞, 流经报警装置的混合气体超过安全流量时, 报警装置会自动报警, 提醒使用者及时更换或清洗滤网; 报警装置可采 用风鸣器、 安全气阀、 指示灯等结构, 箱体外壁外侧设置的共鸣罩在风 鸣器报警时能够起到共鸣的作用, 增强风鸣响声。 可根据需要在错位旁 通道内设置防倒流阀, 有效地防止补偿空气倒流进油气分离装置的滤前 腔体。
作为优选, 所述的箱体外壁上开设有旁通孔, 旁通孔外侧连接有空 气流通管, 空气流通管的一端连接有三通管, 所述三通管一端与进气管 相连, 另一端与开设在箱体上盖上的空气补偿孔相通, 空气流通管内设 置有防倒流阀。 油气分离装置可采用桥式的错位旁通结构, 箱体中过剩 的混合气体经旁通孔流入空气流通管, 并与进气管中流入的补偿空气汇 合, 一起从空气补偿孔进入箱体进行二次过滤, 该结构实现了气体的绝 对循环, 不会将废气泄露到大气中去, 空气流通管内设置的防倒流阀能 够有效的防止进气管中流入的补偿空气通过空气流通管倒流进油气分离 装置。 . 作为优选, 所述的空气补偿孔位于过滤网 II上方, 空气补偿孔与过 滤网 II之间设置有空气导流架。 箱体中过剩的混合气体经旁通道及报警 装置后与空气通道中流入的补偿空气汇合, 一起从空气补偿孔进入箱体 进行二次过滤, 空气补偿孔与过滤网 Π之间设置的空气导流架能够有效 地缓冲从空气补偿孔快速进入的混合气体, 从而增大了混合气体与过滤 网 II的接触面积, 大大提高了分离效率。
作为优选, 所述的滤前腔体中箱体内壁与挡油圈之间设置有叶片式 离心装置。 箱体内壁与挡油圈之间设置的叶片式离心装置能够有效地延 长油气和杂质的分离时间及距离, 增强气流的流动速度, 提高分离效率, 减轻过滤网 I的负担, 从而延长过滤网的使用寿命。
作为优选,所述的滤后腔体内设置有出气管, 出气管底部设置有" U" 型滤网支撑架; 滤网支撑架与出气管底部交错。 "U"型滤网支撑架与出 气管错位配合使用, 滤后腔体中的滤后气体在负压作用下经滤网 I向下 流动, 当滤后气体向下触碰到出气管底部设置的 型滤网支撑架后, 再向上顺着出气管向上流动, 直到被吸出出气口; 另一方面, 从空气补 偿孔进入的气体经过滤网 II和隔板以及过滤网 I后向下触碰到出气管底 部设置的 "U"型滤网支撑架后, 再向上顺着出气管向上流动, 直到被吸 出出气口; 本发明改变了气体的流动方向, 实现了补偿气体冷却和分离 油气的作用。
作为优选, 所述的出气管与上盖、 隔板的连接处均设置有锁紧装置。 其结构合理, 设计巧妙。
作为优选, 所述的箱体底部设置有锥形下体, 下体底部与回油口连 接。 锥形下体更有利于收集过滤网上滴落的油滴, 回收至回油口, 其结 构合理、 设计巧妙。
因此, 本发明具有能够有效地平衡曲轴箱压力、 分离效率高、 安全 可靠、 使用寿命长、 结构简单、 生产工艺简化、 制造成本较低、 能够实 现气体绝对循环等特点。 附图说明
附图 1是本发明的一种结构剖视图。
附图 2是本发明的第二种结构剖视图。
附图 3是本发明的第三种结构剖视图。 实现本发明的最佳方法
下面通过实施例, 并结合附图, 对本发明的技术方案作进一步具体 的说明。 实施例 1:
一种安全环保的高效油气分离装置(见说明书附图 1 ),包括箱体 1、 上盖 2、进气口 3、 出气口 4以及设置在箱体底部的回油口 5, 过滤网 I 6 设置在进气口和出气口之间,把腔体分隔成滤前腔体 7和滤后腔体 8,滤 前腔体内设置有挡油圈 9,过滤网 I上端设置有环状过滤网 II 10,过滤网 I和过滤网 II之间设置有隔板 11, 隔板上设置有若干组通孔 12; 滤前腔 体中箱体内壁与挡油圈之间设置有叶片式离心装置 23。 箱体外壁上开设 有旁通孔 13, 箱体外壁的外侧设置有错位旁通道 14, 错位旁通道的通道 壁上设置有报警装置 15, 错位旁通道外侧设置有共鸣罩 16, 共鸣罩与错 位旁通道的通道壁构成了空气通道 24。 过滤网 II上方设置有空气补偿孔 18, 空气补偿孔位于空气通道内部, 空气补偿孔与过滤网 II之间设置有 空气导流架 19。 滤后腔体内设置有出气管 20, 出气管底部设置有 "U" 型滤网支撑架 21 ; 滤网支撑架与出气管底部交错。 出气管与上盖、 隔板 的连接处均设置有锁紧装置 17。箱体底部设置有锥形下体 22, 下体底部 与回油口连接。
油气分离装置采用外置式的错位旁通结构, 错位旁通道外侧设置的 共鸣罩与错位旁通道的通道壁之间的空腔形成了空气通道, 箱体中过剩 的混合气体从箱体外壁上开设的旁通孔流出, 经错位旁通道及通道壁上 设置的报警装置或安全阀后与空气通道中流入的补偿空气汇合, 一起从 空气补偿孔进入箱体进行二次过滤; 当滤网堵塞, 流经报警装置的混合 气体超过安全流量时, 报警装置会自动报警, 提醒使用者及时更换或清 洗滤网; 报警装置可采用风鸣器、 安全气阀、 指示灯等结构, 错位旁通 道外侧设置的共鸣罩在风鸣器报警时能够起到共鸣的作用, 增强风鸣响 声。 "U"型滤网支撑架与出气管错位配合使用, 滤后腔体中的滤后气体 在负压作用下经滤网 I向下流动, 当滤后气体向下触碰到出气管底部设 置的 "u"型滤网支撑架后, 再向上顺着出气管向上流动, 直到被吸出出 气口; 另一方面, 从空气补偿孔进入的气体经过滤网 II和隔板以及过滤 网 I后向下触碰到出气管底部设置的 "U"型滤网支撑架后, 再向上顺着 出气管向上流动, 直到被吸出出气口; 本发明改变了气体的流动方向, 实现了补偿气体冷却和分离油气的作用。 实施例 2:
一种安全环保的高效油气分离装置(见说明书附图 2), 包括箱体 1、 上盖 2、进气口 3、 出气口 4以及设置在箱体底部的回油口 5,过滤网 I 6 设置在进气口和出气口之间,把腔体分隔成滤前腔体 7和滤后腔体 8,滤 前腔体内设置有挡油圈 9,过滤网 I上端设置有环状过滤网 Π 10,过滤网 I和过滤网 II之间设置有隔板 11, 隔板上设置有若干组通孔 12。箱体外 壁的内侧设置有错位旁通道 14, 箱体外壁上设置有旁通孔 13, 旁通孔上 设置有报警装置 15, 箱体外壁外侧设置有共鸣罩 16, 共鸣罩与箱体外壁 抅成了空气通道 24。 其余结构与实施例 1相同。
油气分离装置采用内置式的错位旁通结构, 箱体外壁外侧设置的共 鸣罩与箱体外壁之间的空腔形成了空气通道, 箱体中过剩的混合气体经 错位旁通道及箱体外壁上设置的旁通孔后与空气通道中流入的补偿空气 汇合, 一起从空气补偿孔进入箱体进行二次过滤, 当滤网堵塞, 流经报 警装置的混合气体超过安全流量时, 报警装置会自动报警, 提醒使用者 及时更换或清洗滤网; 报警装置可采用风鸣器、 安全气阀、 指示灯等结 构, 箱体外壁外侧设置的共鸣罩在风鸣器报警时能够起到共鸣的作用, 增强风鸣响声。 "u"型滤网支撑架与出气管错位配合使用, 滤后腔体中 的滤后气体在负压作用下经滤网 I向下流动, 当滤后气体向下触碰到出 气管底部设置的 "u"型滤网支撑架后, 再向上顺着出气管向上流动, 直 到被吸出出气口; 另一方面, 从空气补偿孔进入的气体经过滤网 II和隔 板以及过滤网 I后向下触碰到出气管底部设置的 "U"型滤网支撑架后, 再向上顺着出气管向上流动, 直到被吸出出气口; 本发明改变了气体的 流动方向, 实现了补偿气体冷却和分离油气的作用。 实施例 3:
一种安全环保的高效油气分离装置(见说明书附图 3), 包括箱体 1、 上盖 2、进气口 3、 出气口 4以及设置在箱体底部的回油口 5, 过滤网 I 6 设置在迸气口和出气口之间,把腔体分隔成滤前腔体 7和滤后腔体 8,滤 前腔体内设置有挡油圈 9,过滤网 I上端设置有环状过滤网 1110,过滤网 I和过滤网 II之间设置有隔板 11, 隔板上设置有若干组通孔 12。 箱体外 壁上开设有旁通孔 13, 旁通孔外侧连接有空气流通管 27, 空气流通管的 一端连接有三通管 28,三通管一端与进气管 29相连,另一端与开设在箱 体上盖上的空气补偿孔 18相通,空气流通管内设置有防倒流阀 26。其余 结构与实施例 1相同。
油气分离装置可采用桥式的错位旁通结构, 箱体中过剩的混合气体 经旁通孔流入空气流通管, 并与进气管中流入的补偿空气汇合, 一起从 空气补偿孔进入箱体迸行二次过滤, 该结构实现了气体的绝对循环, 不 会将废气泄露到大气中去, 空气流通管内设置的防倒流阀能够有效的防 止进气管中流入的补偿空气通过空气流通管倒流进油气分离装置。 箱体 中过剩的混合气体经空气流通管后与进气管中流入的补偿空气汇合, 一 起从空气补偿孔进入箱体进行二次过滤, 空气补偿孔与过滤网 II之间设 置的空气导流架能够有效地缓冲从空气补偿孔快速进入的混合气体, 从 而增大了混合气体与过滤网 Π的接触面积, 大大提高了分离效率。 本文中所描述的具体实施例仅仅是对本发明精神作举例说明。 本发 明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修 改或补充或采用类似的方式替代, 但并不会偏离本发明的精神或者超越 所附权利要求书所定义的范围。

Claims

权 利 要 求
1. 一种安全环保的高效油气分离装置, 包括箱体(1)、 上盖 (2)、 进气 口(3)、出气口(4)以及设置在箱体底部的回油口(5),过滤网 I (6) 设置在进气口和出气口之间, 把腔体分隔成滤前腔体(7)和滤后腔体
(8), 滤前腔体内设置有挡油圈 (9), 其特征在于所述的过滤网 I上 端设置有环状过滤网 II ( 10), 过滤网 I和过滤网 II之间设置有隔板 ( 11), 所述的隔板上设置有若干组通孔 (12)。
2.根据权利要求 1所述的安全环保的高效油气分离装置, 其特征在于所 述的箱体外壁上开设有旁通孔(13),箱体外壁的外侧设置有错位旁通 道(14), 错位旁通道的通道壁上设置有报警装置(15)或安全阔, 错 位旁通道外侧设置有共鸣罩(16),所述共鸣罩与错位旁通道的通道壁 构成了空气通道(24),所述空气通道与开设在箱体上盖上的空气补偿 孔 (18)连通。
3.根据权利要求 1所述的安全环保的高效油气分离装置, 其特征在于所 述的箱体外壁的内侧设置有错位旁通道, 箱体外壁上设置有旁通孔, 旁通孔上设置有报警装置或安全阀, 箱体外壁外侧设置有共鸣罩, 所 述共鸣罩与箱体外壁构成了空气通道, 所述空气通道与开设在箱体上 盖上的空气补偿孔 (18)连通。
4.根据权利要求 1所述的安全环保的高效油气分离装置, 其特征在于所 述的箱体外壁上开设有旁通孔 (13), 旁通孔外侧连接有空气流通管
(27), 空气流通管的一端连接有三通管 (28), 所述三通管一端与进 气管 (29)相连, 另一端与开设在箱体上盖上的空气补偿孔 (18)相 通, 空气流通管内设置有防倒流阀 (26)。
5. 根据权利要求 2或 3或 4所述的安全环保的高效油气分离装置, 其特 征在于所述的空气补偿孔位于过滤网 II上方, 空气补偿孔与过滤网 II 之间设置有空气导流架 (19)。
6. 根据权利要求 1或 2或 3或 4所述的安全环保的高效油气分离装置, 其特征在于所述的滤前腔体中箱体内壁与挡油圈之间设置有叶片式离 心装置 (23)。
7. 根据权利要求 1或 2或 3或 4所述的安全环保的高效油气分离装置, 其特征在于所述滤后腔体内设置有出气管 (20),出气管底部设置有" U" 型滤网支撑架 (21 ) ; 滤网支撑架与出气管底部交错。
8. 根据权利要求 7所述的安全环保的髙效油气分离装置, 其特征在于所 述的出气管与上盖、 隔板的连接处均设置有锁紧装置 (17)。
9. 根据权利要求 1或 2或 3或 4所述的安全环保的高效油气分离装置, 其特征在于所述的箱体底部设置有锥形下体(22),下体底部与回油口 连接。
PCT/CN2008/001838 2007-11-19 2008-11-03 Dispositif de séparation huile-gaz Ceased WO2009070963A1 (fr)

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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

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