CN109139187A - A kind of partition oil drive formula oil-gas separating device of engine - Google Patents
A kind of partition oil drive formula oil-gas separating device of engine Download PDFInfo
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- CN109139187A CN109139187A CN201811074117.9A CN201811074117A CN109139187A CN 109139187 A CN109139187 A CN 109139187A CN 201811074117 A CN201811074117 A CN 201811074117A CN 109139187 A CN109139187 A CN 109139187A
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- oil
- filter
- gas
- separating device
- baffle
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Classifications
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- 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
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- 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
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- 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
- F01M2013/0461—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a labyrinth
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The present invention provides a kind of partition oil drive formula oil-gas separating device of engine.It includes the pre-separate device and primary separating device that mounting groove in valve mechanism cover is arranged in that the partition oil, which drives formula oil-gas separating device of engine, and the oily drive formula gs-oil separator outside valve mechanism cover is arranged in；The mounting groove offers air inlet, and the primary separating device is made of at least two partitions, and the valve mechanism cover is additionally provided with gas vent, and the gas vent is equipped with the escape pipe for connecting oily drive formula gs-oil separator；The partition oil, which drives formula oil-gas separating device of engine, to carry out secondary acceleration to gas mixture, separate larger oil droplet and small oil droplet respectively and flowed out by oil back chamber, separative efficiency is high；In the absorption of small oil droplet, filter core, there is no need to regularly replace filter core, is able to solve periodic replacement maintenance issues since the impact force of secondary acceleration does not have residue blocking.
Description
Technical field
The invention belongs to Oil-gas Separation technical fields, and in particular to a kind of partition oil drive formula oil-gas separating device of engine.
Background technique
The high-temperature fuel gas that engine generates at work can be scurried into crankcase by the gap between piston group and cylinder,
Cause gas blowby.The ingredient of gas blowby is unburned fuel vapor, vapor and exhaust gas etc..Water vapor condensation dilutes machine in machine oil
Oil reduces the service performance of machine oil；Sulfur dioxide in exhaust gas encounters air oxidation and generates sulfuric acid, and the oxidation of machine oil is accelerated to become
Matter will lead to the corrosion and accelerated wear test of engine part；Gas blowby can also make the hypertonia of crankcase and destroy crankcase
Sealing, is lost engine oil leakage；Accelerate the aging of machine oil, reduces reliability.Therefore, it is necessary to using crankcase ventilation system to altering
Gas is controlled.Gas blowby can carry a large amount of oil gas, machine oil is caused to be lost, deteriorate simultaneously when flowing through crankcase ventilation system
Discharge, it is therefore necessary to oil gas be separated, machine oil loss is reduced.By gs-oil separator being integrated in valve mechanism cover come to hair
The oil gas that motivation excludes is separated, and traditional valve mechanism cover can only carry out single separation, and effect can not reach expected.
Such as a kind of Chinese utility model patent " valve mechanism cover " of Publication No. CN205559013U, including valve mechanism cover sheet
Body, cylinder head cover body inside are formed with oil gas pre-separation chamber, and the oil gas pre-separation chamber is equipped with pre-separation air inlet and in advance
Gas outlet is separated, is successively arranged from the pre-separation air inlet to the pre-separation gas outlet along vertical in oil gas pre-separation room
The spaced multiple lateral partitions in direction and in the horizontal direction be in the spaced multiple longitudinal baffles of labyrinth type, lateral partitions
The mazy gas channel for being connected to pre-separation air inlet and pre-separation gas outlet is formed between longitudinal baffle, and in cylinder head
Cover lateral wall is integrated with gs-oil separator.By the above content it can be found that the core of valve mechanism cover Oil-gas Separation in the prior art
The heart is the mazy gas channel formed between lateral partitions and longitudinal baffle, but its single layer structure Oil-gas Separation ability
Difference, can not separate fine oil droplets, also cannot achieve passive type separation and active isolated combination, be unable to satisfy engine state six
The requirement of discharge.
Such as the Chinese invention patent " active gs-oil separator " of Publication No. CN104265402B, pass through extreme pressure lubricant
Driving is a kind of oily drive formula active separator, can carry out active separation to the gas mixture in crankcase, but only with master
Dynamic formula separator is unable to satisfy six discharge standard of state, can not also be classified processing super large oil droplet, larger oil droplet and fine oil droplets.
It is interior such as the Chinese invention patent application " oil and gas separating system built in valve mechanism cover " of Publication No. CN108049937A
Set gs-oil separator, comprising: housing ontology and the labyrinth cavity and bottom cover that the housing ontology side is set, the labyrinth chamber
One end of body is provided with the outgoing gas connection tube extended to outside housing, and top offers respirator socket；It is equipped in the labyrinth chamber body
Coarse filtration orifice plate, winding type rectifier structure, refined filtration orifice plate and every position plate.By the above content it can be found that cylinder in the prior art
Housing oil-gas pre-separation device is equipped with coarse filtration orifice plate and winding type rectifier structure, can be used for Oil-gas Separation, but super large oil droplet
The oil droplet of 10um (diameter be greater than) is easy to mix with larger oil droplet (referring to that droplet diameter is 2~10um), and do not have oil droplet absorption with
Diversion effect, the droplet diameter that will lead into refined filtration orifice plate is still very big, (refers to that droplet diameter is 0.1 for handling small oil droplet
~2um) there is very big influence；Winding type rectifier structure disclosed in the prior art can not solve gas mixture and touch at a high speed
Oil droplet second-time breakage (collision is splashed) problem generated when hitting, oil droplet can not adsorb back after flowing through collision winding type rectifier structure
It receives, can still be exported as gas mixture flows to, separative efficiency is low.
Summary of the invention
It is an object of the invention to overcome the defect of the above-mentioned prior art, a kind of new partition gas drive formula engine oil is provided
Air separation can be classified separation super large oil droplet, larger oil droplet and fine oil droplets, and separative efficiency is high, moreover it is possible to solve oil droplet
The problem of adsorption recovery and collision are splashed also does not need periodic maintenance replacement filter core, can be achieved at the same time passive type and active
Formula separation, is able to satisfy six engine calls of state.
The purpose of the present invention is what is be achieved through the following technical solutions:
The present invention provides a kind of partition oil to drive formula oil-gas separating device of engine, comprising: setting is pacified in valve mechanism cover
The pre-separate device and primary separating device of tankage, and the oily drive formula gs-oil separator outside valve mechanism cover is set；The peace
Tankage offers the air inlet for receiving gas mixture in crankcase, and the primary separating device is by least two partition groups
At the bending channel being made of the partition has preferable effect for separation super large oil droplet, and the valve mechanism cover is additionally provided with
For the gas vent of the exhaust gas discharge after separating, the gas vent is equipped with the escape pipe for connecting oily drive formula gs-oil separator,
The valve mechanism cover, pre-separate device and primary separating device combine to form gas channel；The pre-separate device includes parallel cloth
It sets the first filter opening plate on bottom plate and first and filters baffle, the first oil back chamber on bottom plate and the composition of the first oil return pipe under it
Crude separation device, the crude separation device are located at primary separating device rear, for carrying out accelerating to collide into one to gas mixture
Step separation larger oil droplet；Second filter opening plate, filter core and the second filter baffle, the second oil back chamber on bottom plate and the second oil return pipe under it
The thin separator of composition, the thin separator are located at crude separation device rear, for add again to gas mixture
Speed collision further separates small oil droplet, and the gas vent setting will by escape pipe at thin separator rear, the gas vent
Exhaust gas after separation is delivered to oily drive formula gs-oil separator.
The coarse filtration hole for being accelerated to gas mixture is provided on the first filter opening plate in the crude separation device,
In one embodiment, it is provided on the first filter baffle and filters rib for the one of water conservancy diversion oil droplet to the first oil back chamber, again
In one embodiment, the needle-shaped lug boss for increasing oil gas making contact area is provided on the first filter baffle, it is described
Needle-shaped lug boss can effectively prevent oil droplet since high velocity impact causes second-time breakage, improve oil-gas separation efficiency；Described
The lower section of the first filter baffle is arranged in one oil back chamber, and the first filter baffle is the hatch frame of non-close so as to gas mixture
Flowing, the bottom of the first oil back chamber is arranged in first oil return pipe.
In one embodiment, the second filter opening plate in the thin separator, filter core and the second filter baffle are snugly into each other
Ground is arranged on bottom plate；The fine filtering hole for carrying out secondary acceleration to gas mixture, institute are provided on the second filter opening plate
It states and is provided on the second filter baffle for colliding the small oil droplet of separation and the small oil droplet of water conservancy diversion to the two of the second oil back chamber filters ribs, it is described
The setting of second oil back chamber filters baffle rear second, and the second filter baffle is the hatch frame of non-close, second oil return
The bottom of the second oil back chamber is arranged in pipe.
In one embodiment, the pre-separate device further includes spill baffle, the spill baffle be hatch frame just
In forming gas channel, the spill baffle is additionally provided with for colliding separation oil droplet simultaneously three filter muscle of the water conservancy diversion to the second oil back chamber
Item；Gas mixture hits spill baffle, and oil droplet flows into the second oil back chamber, remaining gas mixture by three filter ribs
The hatch frame (gas channel) for flowing through spill baffle enters gas vent.
In one embodiment, being additionally provided in first oil return pipe and the second oil return pipe prevents exhaust gas recoil from entering pre- point
Umbrella shape oil return valve from device, can be effectively prevented influences oil gas pre-separation efficiency because of exhaust gas recoil.
In one embodiment, the material of the filter core is any in non-woven fabrics, felt, glass fibre and synthetic fibers
It is a kind of.
In one embodiment, the spacing of the first filter opening plate and the first filter baffle is 2~5mm, according to the air inlet of air inlet
Size is measured, the aperture in the coarse filtration hole can be set to 3~6mm, and the number in the coarse filtration hole is set as 10~45, makes to pass through
The flow control of first filter opening plate flows through the first filter opening leaf fat gas mixture and filters in the flow rates with first in 5~8m/s
The effect that baffle hits separation larger oil droplet is good.
In one embodiment, according to the air inflow size of air inlet, the aperture in the fine filtering hole can be set to 2~
The number of 3mm, the fine filtering hole are set as 8~54, make to flow through by the flow control of the second filter opening plate in 15~30m/s
The effect that second filter opening leaf fat gas mixture separates small oil droplet with the second filter baffle shock in the flow rates is good.
Compared with the prior art, the advantages of the present invention are as follows:
The oil-gas separating device of engine can accelerate twice gas mixture, separate larger oil droplet and small oil respectively
It drips and is flowed out by oil back chamber, separative efficiency is high；In the absorption of small oil droplet, filter core is not had due to the impact force of secondary acceleration
Residue blocking, there is no need to regularly replace filter core, is able to solve periodic replacement maintenance issues；In addition, the engine oil gas point
From device can also according to the size of air inflow preset coarse filtration hole and fine filtering hole specification (including pore size and filter opening number),
Primary accelerate and the flow velocity after secondary acceleration, the efficiency of promotion shock separation oil droplet is ensured with this.
Detailed description of the invention
The embodiment of the present invention is described further referring to the drawings, in which:
Fig. 1 is the valve mechanism cover schematic diagram of internal structure according to one embodiment of the invention；
Fig. 2 is the three dimensional structure diagram according to the valve mechanism cover mounting groove of one embodiment of the invention；
Fig. 3 is the schematic cross-section according to the valve mechanism cover mounting groove of one embodiment of the invention；
Fig. 4 is the three dimensional structure diagram according to the pre-separate device of one embodiment of the invention；
Fig. 5 is the three dimensional structure diagram according to the first filter opening plate of one embodiment of the invention and the first filter baffle；
Fig. 6 is the three dimensional structure diagram that needle-shaped lug boss is equipped with according to the first of one embodiment of the invention the filter baffle；
Fig. 7 is to be illustrated according to the three-dimensional structure of the second filter opening plate of one embodiment of the invention, filter core and the second filter baffle
Figure；
Fig. 8 is the three dimensional structure diagram according to the spill baffle of one embodiment of the invention；
Fig. 9 is the first separated structure schematic diagram according to two partitions of one embodiment of the invention；
Figure 10 is the first separated structure schematic diagram according to four partitions of one embodiment of the invention；
Figure 11 is the structural schematic diagram according to the valve mechanism cover escape pipe of one embodiment of the invention；
Figure 12 is the structural schematic diagram according to the oily drive formula gs-oil separator of one embodiment of the invention；
In figure, 100 be valve mechanism cover, and 101 be mounting groove, and 102 be gas vent, and 103 be escape pipe, and 200 fill for pre-separation
It sets, 201 be bottom plate, and 204 be spill baffle, and 205 be the first filter opening plate, and 206 filter baffle for first, and 207 be the first oil back chamber,
208 first oil return pipes, 209 be the second filter opening plate, and 210 be filter core, and 211 be the second filter baffle, and 212 be the second oil back chamber, and 213 are
Second oil return pipe, 215 be coarse filtration hole, and 216 be a filter rib, and 217 be fine filtering hole, and 218 be two filter ribs, and 219 be three filter ribs,
220 be needle-shaped lug boss, and 300 be primary separating device, and 301 be air inlet, and 302 be first partition, and 303 be second partition, and 304 are
Third partition, 305 be the 4th partition, and 400 be oily drive formula gs-oil separator, and 401 be exhaust gas entrance, and 402 be oil inlet, and 403 are
Mixed gas outlet, 404 be oil return opening.
Specific embodiment
In order to make the purpose of the present invention, technical solution and advantage are more clearly understood, and are passed through below in conjunction with attached drawing specific real
Applying example, the present invention is described in more detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, and
It is not used in the restriction present invention.
A kind of partition oil drive formula oil-gas separating device of engine is provided in an embodiment of the present invention, which drives formula
Oil-gas separating device of engine includes the pre-separate device and primary separating device that mounting groove in valve mechanism cover is arranged in, and setting
Oily drive formula gs-oil separator outside valve mechanism cover；Primary separating device can be in gas mixture charging stage separate section oil
Drop, gas mixture enter pre-separate device after flowing through primary separating device, are accelerated collision point twice in pre-separate device
From, and oil droplet is discharged by oil return pipe；Gas mixture is after pre-separate device is handled through being delivered to oily drive by escape pipe
Formula gs-oil separator implements further Oil-gas Separation.Fig. 1 is pre- for providing according to the valve mechanism cover of one embodiment of the invention
The installation fixing position of separator and primary separating device is set, and as shown in Figure 1, Figure 2 and Figure 3, it is pre- which is equipped with installation
The mounting groove 101 of separator 200 and primary separating device 300, the mounting groove 101 are also provided with for receiving engine crankshaft
The air inlet 301 of gas mixture in case, the primary separating device 300 are set to 301 rear of air inlet and are used for air-fuel mixture
Object carries out initial gross separation, and diameter is greater than the oil droplet of 10um in separation oil and gas mixture, and the valve mechanism cover 100 is additionally provided with gas vent
102, as shown in figure 4, the pre-separate device 200 includes the first filter opening plate 205 and first being arranged in parallel on bottom plate 201
Filter the crude separation device of baffle 206, the first oil back chamber 207 on bottom plate 201 and first oil return pipe 208 of its underpart composition, institute
It states crude separation device and is located at 300 rear of primary separating device, (refer to that droplet diameter is 2 for handling the larger oil droplet in gas mixture
~10um)；Second filter opening plate 209, filter core 210 and the second filter baffle 211, the second oil back chamber 212 on bottom plate 201 and its underpart
The second oil return pipe 213 composition thin separator, the thin separator is located at crude separation device rear, for handling oil gas
Small oil droplet (referring to that droplet diameter is 0.1~2um) in mixture；The setting of gas vent 102 in the valve mechanism cover 100 is being segmented
It is used to be discharged the exhaust gas after separating oil droplet from device rear, is additionally provided on the gas vent 102 for gas mixture to be discharged
Escape pipe 103 (as shown in figure 11), the escape pipe 103 connects gas vent 102 and is simultaneously pierced by valve mechanism cover 100, the outlet
Gas mixture after pre-separation can be imported the exhaust gas entrance 401 of oily drive formula gs-oil separator 400, institute by the setting of pipe 103
The oily drive formula gs-oil separator 400 stated is using existing conventional equipment, as shown in figure 12, the oily drive formula gs-oil separator
400 are additionally provided with oil inlet 402, mixed gas outlet 403 and oil return opening 404；The oil inlet 402 is used for the main oil of injection engine
The high-pressure oil in road to push the rotor high speed rotation of oily drive formula gs-oil separator 400 to generate the centrifugal force for being up to 2500G,
Under the effect of huge centrifugal force, oil droplet is separated further out the gas mixture entered by exhaust gas entrance 401, is separated
Oil droplet afterwards flow back into engine sump tank by oil return opening 404, and exhaust gas is started by the introducing of mixed gas outlet 403 after separation
Machine air inlet pipe enters combustion chambers burn, is finally reached and the passive type of crankcase oils gas mixture is separated with active, makes point
Reach six engine emission standard of state from effect；In one embodiment, as shown in figure 9, the primary separating device 300 is by first
Partition 302 and second partition 303 form, and the first partition 302 is with second partition 303 respectively and in 101 both ends of mounting groove
Wall is fixed, to form curved labyrinth type oil-gas channel；In yet another embodiment, as shown in Figure 10, the just separation dress
Set 300 be made of first partition 302, second partition 303, third partition 304 and the 4th partition 305 form, the first partition
302, the inner wall of second partition 303, third partition 304 and the 4th partition 305 respectively alternately with 101 both ends of mounting groove is fixed,
To form curved labyrinth type oil-gas channel.
As shown in figure 5, the first filter opening plate 205 and the first filter baffle 206 in the crude separation device are arranged in parallel in bottom
(Fig. 4 is referred to) on plate 201, and the coarse filtration for once being accelerated to gas mixture is provided on the first filter opening plate 205
Hole 215.In one embodiment, it is provided on the first filter baffle 206 and (refers to that droplet diameter is for colliding separation larger oil droplet
2~10um) simultaneously water conservancy diversion larger oil droplet is to a filter rib 216 of the first oil back chamber 207, and the setting of the first oil back chamber 207 is first
Filter the lower section of baffle 206, the first filter baffle 206 is the hatch frame (convenient for forming gas channel) of non-close, described the
The bottom of the first oil back chamber 207 is arranged in one oil return pipe 208；Gas mixture flows through after the acceleration of the first filter opening plate 205 with
One filter baffle 206 is hit, and larger oil droplet flows into the first oil back chamber 207, remaining air-fuel mixture logistics by a filter rib 216
Opening portion (gas channel) outflow through the first filter baffle 206；In yet another embodiment, as shown in fig. 6, first filter
The needle-shaped lug boss 220 for increasing oil gas making contact area is provided on baffle 206, the needle-shaped lug boss 220 can
Effectively absorption high velocity impact first filters the larger oil droplet of baffle 206 and by oil droplet water conservancy diversion to the first oil back chamber 207, prevent larger oil droplet by
Second-time breakage (larger oil droplet collision is easy to produce splashing) is caused in high velocity impact, improves oil-gas separation efficiency, larger oil droplet passes through
Needle-shaped lug boss 220 flows into the first oil back chamber 207, remaining gas mixture flows through the opening portion (oil of the first filter baffle 206
Gas channel) outflow.
In one embodiment, as the air inflow of air inlet 301 be 60L/min, the aperture in the coarse filtration hole 215 is set as
3mm, the number in the coarse filtration hole 215 are set as 27, the spacing setting of the first filter opening plate 205 and the first filter baffle 206
For 2mm, make through the flow control of the first filter opening plate 205 in about 5m/s, at this point, flowing through 205 gas mixture of the first filter opening plate
The effect for separating larger oil droplet with the first filter shock of baffle 206 under the setting of the flow velocity and spacing is good；In yet another embodiment,
If the air inflow of air inlet 301 is 100L/min, the aperture in the coarse filtration hole 215 is set as 6mm, in the coarse filtration hole 215
Number is set as 10, and the spacing of the first filter opening plate 205 and the first filter baffle 206 is set as 3mm, makes through the first filter opening plate
205 flow control is in about 6m/s, at this point, flowing through 205 gas mixture of the first filter opening plate under the setting of the flow velocity and spacing
The effect for separating larger oil droplet with the first filter shock of baffle 206 is good；In yet another embodiment, as the air inflow of air inlet 301 is
150L/min, the aperture in the coarse filtration hole 215 are set as 5mm, and the number in the coarse filtration hole 215 is set as 25, and described first
The spacing of filter opening plate 205 and the first filter baffle 206 is set as 5mm, makes through the flow control of the first filter opening plate 205 in about 5m/
S divides at this point, flowing through 205 gas mixture of the first filter opening plate and hitting under the setting of the flow velocity and spacing with the first filter baffle 206
Effect from larger oil droplet is good；In yet another embodiment, if the air inflow of air inlet 301 is 270L/min, the coarse filtration hole 215
Aperture be set as 6mm, the number in the coarse filtration hole 215 is set as 20, the first filter opening plate 205 and the first filter baffle
206 spacing is set as 4mm, makes through the flow control of the first filter opening plate 205 in about 8m/s, at this point, flowing through the first filter opening plate
The effect that 205 gas mixtures separate larger oil droplet with the first filter shock of baffle 206 under the setting of the flow velocity and spacing is good；Again
In one embodiment, if the air inflow of air inlet 301 is 270L/min, the aperture in the coarse filtration hole 215 is set as 3mm, described
The number in coarse filtration hole 215 is set as 45, and the spacing of the first filter opening plate 205 and the first filter baffle 206 is set as 4mm, makes
By the flow control of the first filter opening plate 205 in about 8m/s, at this point, flowing through 205 gas mixture of the first filter opening plate in the flow velocity
And under the setting of spacing with first filter baffle 206 hit separate larger oil droplet effect it is good.
In one embodiment, the second filter opening plate 209, filter core 210 as shown in Fig. 4, Fig. 7, in the thin separator
With second filter baffle 211 it is snugly into each other be arranged on bottom plate 201；It is provided on the second filter opening plate 209 for oil gas
Mixture carries out the fine filtering hole 217 of secondary acceleration, effect when gas mixture flows through the second filter opening plate 209, in fine filtering hole 217
Lower gas mixture has carried out secondary acceleration, and gas mixture can carry out high speed impact, the filter core 210 to the filter core 210
Lower part is hatch frame convenient for forming gas channel, and the filter core 210 is for adsorbing the small oil after the secondary acceleration of gas mixture
Drop (refers to that droplet diameter is 0.1~2um), and wherein the material of filter core 210 can be fine for non-woven fabrics, felt, glass fibre or synthesis
Dimension, filter core 210 using these materials absorption oil droplet effect it is good, and filter core 210 secondary acceleration high speed impact effect under,
Surface will not assemble residue, therefore can exempt periodic replacement maintenance and (directly adopt filter pulp in the prior art and carry out oil gas point
From though efficiency is high, maintenance filter pulp need to be regularly replaced, and maintenance cost is higher)；It is arranged on the second filter baffle 211
Have for colliding the small oil droplet of separation and two filter ribs 218 of the small oil droplet of water conservancy diversion to the second oil back chamber 212, the second filter baffle
211 lower part is the hatch frame (forming gas channel) of non-close, and convenient for the flowing of gas mixture, gas mixture is flowed through
After filter core 210 under the effect of impact of the second filter baffle 211, small oil droplet flows into the second oil back chamber by two filter ribs 218, remaining
Gas mixture enters next stage separator by the hatch frame (gas channel) of the second filter baffle 211；Implement at one
In example, if the air inflow of air inlet 301 is 60L/min, the aperture in the fine filtering hole 217 is set as 2mm, the fine filtering hole 217
Number be set as 18, make through the flow control of the second filter opening plate 209 in about 18m/s, at this point, flowing through the second filter opening plate
209 gas mixtures impact filter core 210 under the flow velocity, filter core 210 adsorb after small oil droplet gas mixture under the flow velocity after
It is continuous to hit the second filter baffle 211, preferable small oil droplet separating effect can be obtained；In yet another embodiment, such as air inlet 301
Air inflow be 60L/min, the aperture in the fine filtering hole 217 is set as 3mm, and the number in the fine filtering hole 217 is set as 8,
Make through the flow control of the second filter opening plate 209 in about 18m/s, at this point, flowing through 209 gas mixture of the second filter opening plate in the stream
Speed is lower to impact filter core 210, and gas mixture continues to hit the second filter baffle 211 under the flow velocity after filter core 210 adsorbs small oil droplet,
Preferable small oil droplet separating effect can be obtained；In yet another embodiment, as the air inflow of air inlet 301 be 120L/min,
The aperture in the fine filtering hole 217 is set as 2.5mm, and the number in the fine filtering hole 217 is set as 20, makes through the second filter opening plate
209 flow control is in about 20m/s, at this point, flow through 209 gas mixture of the second filter opening plate impacts filter core 210 under the flow velocity,
Gas mixture continues to hit the second filter baffle 211 under the flow velocity after filter core 210 adsorbs small oil droplet, can obtain preferable small
Oil droplet separating effect；In yet another embodiment, if the air inflow of air inlet 301 is 180L/min, the hole in the fine filtering hole 217
Diameter is set as 2.5mm, and the number in the fine filtering hole 217 is set as 23, makes through the flow control of the second filter opening plate 209 about
27m/s, at this point, flow through 209 gas mixture of the second filter opening plate impacts filter core 210 under the flow velocity, filter core 210 adsorbs small oil droplet
Gas mixture continues to hit the second filter baffle 211 under the flow velocity afterwards, can obtain preferable small oil droplet separating effect；Again
In one embodiment, if the air inflow of air inlet 301 is 260L/min, the aperture in the fine filtering hole 217 is set as 3mm, described
The number in fine filtering hole 217 is set as 24, makes through the flow control of the second filter opening plate 209 in about 27m/s, at this point, flowing through
Two filter opening plates, 209 gas mixture impacts filter core 210 under the flow velocity, and gas mixture is at this after filter core 210 adsorbs small oil droplet
Continue to hit the second filter baffle 211 under flow velocity, preferable small oil droplet separating effect can be obtained；In yet another embodiment, such as
The air inflow of air inlet 301 is 270L/min, and the aperture in the fine filtering hole 217 is set as 2mm, the number in the fine filtering hole 217
54 are set as, is made through the flow control of the second filter opening plate 209 in about 30m/s, at this point, flowing through 209 oil gas of the second filter opening plate
Mixture impacts filter core 210 under the flow velocity, and gas mixture continues shock under the flow velocity after filter core 210 adsorbs small oil droplet
Two filter baffles 211, can obtain preferable small oil droplet separating effect.
In one embodiment, the pre-separate device 200 further includes spill baffle 204, and the spill baffle 204 is
Hatch frame is convenient for forming gas channel, and as shown in Fig. 4, Fig. 8, the spill baffle 204 is additionally provided with for colliding separation oil
Drip and water conservancy diversion to the second oil back chamber 212 three filter ribs 219；Gas mixture hits spill baffle 204, and oil droplet passes through
Three filter ribs 219 flow into the second oil back chambers 212, remaining gas mixture flows through the hatch frame of spill baffle 204, and (oil gas is logical
Road) enter gas vent 102,204 opening upwards of spill baffle are fixed on bottom plate 201, so as to the second separator 203
The gas mixture of outflow directly hits 204 lower part of spill baffle, and oil droplet passes through three filter ribs 219 under the effect of gravity and flows into the
Two oil back chambers 212.
In one embodiment, it with continued reference to Fig. 4, is additionally provided in first oil return pipe 208 and the second oil return pipe 213 anti-
Only exhaust gas recoil enters the umbrella shape oil return valve (not shown) of pre-separate device 200, can be effectively prevented due to exhaust gas recoil
Influence oil gas pre-separation efficiency.
From above-described embodiment as can be seen that compared with prior art, engine oil gas according to an embodiment of the present invention divides in advance
Gas mixture can be accelerated from device twice, separate larger oil droplet and small oil droplet respectively and be flowed out by oil back chamber, point
From high-efficient；Specification (including pore size and the filter opening in coarse filtration hole and fine filtering hole can also be preset according to the size of air inflow
Number), the flow velocity after primary acceleration and secondary acceleration is ensured with this, the efficiency for hitting separation oil droplet is promoted, is finally able to satisfy state six
The standard of discharge.
What the reference in this specification for " some embodiments ", " one embodiment " or " embodiment " etc. referred to is knot
Special characteristic described in the embodiment, structure or property is closed to be included at least one embodiment.Therefore, phrase is " each
In a embodiment ", " in some embodiments ", " in one embodiment " or " in embodiment " etc. throughout the specification
The appearance of each place not necessarily refers to identical embodiment.In addition, special characteristic, structure or property can be at one or more
It is combined in any way as suitable in a embodiment.Therefore, in conjunction with shown in one embodiment or description special characteristic, structure
Or property wholly or partly can be combined unlimitedly with the feature of one or more other embodiments, structure or property,
As long as the combination is not non-logicality or cannot work.In addition, each element in illustrations is just to illustrating
It is bright, it is not necessarily drawn to scale.
It is thus described several aspects of at least one embodiment of this invention, it will be understood that those skilled in the art
For be easy to carry out various changes, modification and improvement.This changes, modifications and improvement are intended in the spirit and scope of the present invention
It is interior.
Claims (8)
1. a kind of partition oil drives formula oil-gas separating device of engine, comprising: the pre-separation dress of mounting groove in valve mechanism cover is arranged in
It sets and primary separating device, and the oily drive formula gs-oil separator outside valve mechanism cover is set；The mounting groove offers air inlet
Hole, the primary separating device are made of at least two partitions, and the valve mechanism cover is additionally provided with gas vent, and the gas vent is equipped with
The escape pipe of oily drive formula gs-oil separator is connected, the valve mechanism cover, pre-separate device and primary separating device combine to form oil gas
Channel, which is characterized in that the pre-separate device includes:
The first filter opening plate being arranged in parallel on bottom plate and the first filter baffle, the first oil back chamber on bottom plate and first time under it
The crude separation device of oil pipe composition, the crude separation device are located at primary separating device rear；
Second filter opening plate, filter core and the second filter baffle, the second oil back chamber on bottom plate and the second oil return pipe under it form thin
Separator, the thin separator are located at crude separation device rear, and the gas vent is arranged at thin separator rear.
2. partition oil as described in claim 1 drives formula oil-gas separating device of engine, it is characterised in that: the crude separation device
In the first filter opening plate on be provided with coarse filtration hole, be provided with a filter rib or needle-shaped lug boss on the first filter baffle, it is described
First oil back chamber be arranged in first filter baffle lower section, it is described first filter baffle be non-close hatch frame, described first time
The bottom of the first oil back chamber is arranged in oil pipe.
3. partition oil as described in claim 1 drives formula oil-gas separating device of engine, it is characterised in that: the thin separator
In the second filter opening plate, filter core and second filter baffle it is snugly into each other be arranged on bottom plate；It is provided on the second filter opening plate
Fine filtering hole is provided with two filter ribs on the second filter baffle, and the second oil back chamber setting filters baffle rear second, described
Second filter baffle is the hatch frame of non-close, and the bottom of the second oil back chamber is arranged in second oil return pipe.
4. partition oil as described in claim 1 drives formula oil-gas separating device of engine, it is characterised in that: the pre-separate device
It further include spill baffle, the spill baffle is additionally provided with three filter ribs.
5. partition oil as described in claim 1 drives formula oil-gas separating device of engine, it is characterised in that: the material of the filter core
For any one in non-woven fabrics, felt, glass fibre or synthetic fibers.
6. partition oil as described in claim 1 drives formula oil-gas separating device of engine, it is characterised in that: in first oil return
Pipe and the second oil return pipe are additionally provided with the umbrella shape oil return valve for preventing exhaust gas recoil from entering pre-separate device.
7. partition oil as claimed in claim 2 drives formula oil-gas separating device of engine, it is characterised in that: the first filter opening plate
Spacing with the first filter baffle is 2~5mm, and the aperture in the coarse filtration hole is 3~6mm, and the number in the coarse filtration hole is 10~45
It is a.
8. partition oil as claimed in claim 3 drives formula oil-gas separating device of engine, it is characterised in that: the hole in the fine filtering hole
Diameter is 2~3mm, and the number in the fine filtering hole is 8~54.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811074117.9A CN109139187A (en) | 2018-09-14 | 2018-09-14 | A kind of partition oil drive formula oil-gas separating device of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811074117.9A CN109139187A (en) | 2018-09-14 | 2018-09-14 | A kind of partition oil drive formula oil-gas separating device of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139187A true CN109139187A (en) | 2019-01-04 |
Family
ID=64825450
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811074117.9A Pending CN109139187A (en) | 2018-09-14 | 2018-09-14 | A kind of partition oil drive formula oil-gas separating device of engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020052662A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Partition-plate oil-gas separation device for engine |
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| EP1286025A1 (en) * | 2001-06-28 | 2003-02-26 | Yamaha Hatsudoki Kabushiki Kaisha | Blow-by gas oil separator for an internal combustion engine |
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Application publication date: 20190104 |