CN110529218A - A kind of ventilative gas and oil separating plant of crankcase - Google Patents
A kind of ventilative gas and oil separating plant of crankcase Download PDFInfo
- Publication number
- CN110529218A CN110529218A CN201910850523.8A CN201910850523A CN110529218A CN 110529218 A CN110529218 A CN 110529218A CN 201910850523 A CN201910850523 A CN 201910850523A CN 110529218 A CN110529218 A CN 110529218A
- Authority
- CN
- China
- Prior art keywords
- pipe
- shell
- crankcase
- air inlet
- separating plant
- 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.)
- Pending
Links
- 230000035699 permeability Effects 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 40
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
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
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0433—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a deflection device, e.g. screen
Landscapes
- 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 relates to engine crankcase technical fields, disclose a kind of ventilative gas and oil separating plant of crankcase, it is mounted on the permeability cell of engine crankcase, including shell, air inlet pipe, escape pipe and bleeder pipe, the inlet end of the escape pipe is penetrated at the top of the shell to the inside of the shell, the inlet end of the air inlet pipe connects the permeability cell, the outlet side of the air inlet pipe is penetrated from the bottom of the shell or side wall to the inside of the shell, and the lower end of the shell is arranged in the bleeder pipe.The ventilative gas and oil separating plant of crankcase provided by the invention, by the way that air inlet pipe, escape pipe and bleeder pipe are respectively set on shell, and air inlet pipe is connected to the permeability cell of engine crankcase, the oil gas released from the permeability cell of crankcase enters enclosure interior, oil droplet in oil gas will condense into oil liquid and be discharged from bleeder pipe, the oil content for thus greatly reducing the gas being discharged from escape pipe, reduces the pollution to atmosphere, also reduces ventilative back pressure.
Description
Technical field
The present invention relates to engine crankcase technical fields, are filled more particularly to a kind of crankcase is ventilative with Oil-gas Separation
It sets.
Background technique
When machine is run, crankshaft high-speed rotation can take the lubricating oil of oil sump in friction pair engine, subsidiary to generate
High-concentration oil vapor needs to install permeability cell on crankcase to guarantee crankcase pressure within an acceptable range, by oil gas
It discharges into the atmosphere.However due to crankcase it is ventilative in gas concentration it is higher, directly release atmosphere can be caused into atmosphere compared with
Big pollution, and oil gas viscosity is larger, increases friction loss, causes ventilative back pressure higher.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of ventilative gas and oil separating plant of crankcase, crankcase is reduced
The content of oil in ventilative, reduces the pollution to atmosphere, reduces ventilative back pressure.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of ventilative gas and oil separating plant of crankcase, is mounted on the permeability cell of engine crankcase, including shell, into
Tracheae, escape pipe and bleeder pipe, the inlet end of the escape pipe are penetrated at the top of the shell to the inside of the shell, institute
The inlet end for stating air inlet pipe connects the permeability cell, the outlet side of the air inlet pipe from the bottom of the shell or side wall penetrate to
The lower end of the shell is arranged in the inside of the shell, the bleeder pipe.
Preferably, the bottom of the shell is back taper, and the side of the shell is arranged in the air inlet pipe, described to release
The center of the bottom of the shell is arranged in pipe.
Preferably, 1.2-1.7 times higher than the end face of the inlet end of the escape pipe of the center line of the air inlet pipe it is described into
The inside nominal diameter of tracheae.
Preferably, the longitudinal section of the shell is rectangle, and the bottom of the shell is arranged in the air inlet pipe.
Preferably, the end face of the outlet side of the air inlet pipe is 0.8-1.2 times higher than the end face of the inlet end of the escape pipe
The inside nominal diameter of the air inlet pipe.
Preferably, the bleeder pipe is S-shaped, and the highest point of its bending section is lower than the end of the feed end of the bleeder pipe
Face.
Preferably, the shell includes the top plate of housing body described in housing body and Gai Heyu, the top plate with it is described
Housing body is bolted.
Preferably, the top of the housing body is equipped with annular enclosure, the enclosure be equipped with for the top plate spiral shell
Tether the screw hole connect.
Preferably, the escape pipe is equipped with air hole, the diameter of the air hole at the inside of the case top
It is 15-25 millimeters.
Preferably, the discharge end of the inlet end of the air inlet pipe, the outlet side of the escape pipe and the bleeder pipe is all provided with
There is flange.
A kind of crankcase of the embodiment of the present invention is breathed freely with gas and oil separating plant compared with prior art, and its advantages exist
In: by the way that air inlet pipe, escape pipe and bleeder pipe, and breathing freely air inlet pipe connection engine crankcase are respectively set on shell
Pipe, the oil gas released from the permeability cell of crankcase enters enclosure interior, and the oil droplet in oil gas will condense into oil liquid from letting out
Pipe discharge is put, the oil content for the gas being discharged from escape pipe is thus greatly reduced, reduces the pollution to atmosphere, also reduce
Ventilative back pressure.The configuration of the present invention is simple, using effect is good, use easy to spread.
Detailed description of the invention
Fig. 1 is the ventilative structural schematic diagram with gas and oil separating plant embodiment one of crankcase of the invention.
Fig. 2 is the ventilative structural schematic diagram with gas and oil separating plant embodiment two of crankcase of the invention.
Wherein: 1- shell, 11- housing body, 12- top plate, 13- bolt, 14- enclosure, 2- air inlet pipe, 3- escape pipe, 31-
Air hole, 4- bleeder pipe, 5- flange.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Embodiment one
As shown in Figure 1, a kind of ventilative gas and oil separating plant of crankcase of preferred embodiment of the embodiment of the present invention, is mounted on
On the permeability cell of engine crankcase, including shell 1, air inlet pipe 3, escape pipe 3 and bleeder pipe 4, the inlet end of the escape pipe 3
It penetrates from the top of the shell 1 to the inside of the shell 1, the inlet end of the air inlet pipe 3 connects the permeability cell, described
The outlet side of air inlet pipe 2 is penetrated from the bottom of the shell 1 or side wall to the inside of the shell 1, and the setting of bleeder pipe 4 exists
The lower end of the shell 1.
The ventilative gas and oil separating plant of crankcase based on above-mentioned technical characteristic, by the way that air inlet is respectively set on shell 1
Pipe 2, escape pipe 3 and bleeder pipe 4, and by the permeability cell of the connection engine crankcase of air inlet pipe 2, it is released from the permeability cell of crankcase
The oil gas released enters inside shell 1, and the oil droplet in oil gas will condense into oil liquid and be discharged from bleeder pipe 4, to substantially reduce
The oil content for the gas being discharged from escape pipe 3, reduces the pollution to atmosphere, also reduces ventilative back pressure.Structure of the invention
Simply, using effect is good, use easy to spread.
In the present embodiment, the bottom of the shell 1 is back taper, and the side of the shell 1 is arranged in the air inlet pipe 2,
The center of the bottom of the shell 1 is arranged in the bleeder pipe 4.Meanwhile in order to guarantee oil gas separation, the air inlet pipe 2
1.2-1.7 times higher than the end face of the inlet end of the escape pipe 3 air inlet pipe 2 of center line inside nominal diameter.Preferably, institute
The inside nominal diameter of 1.5 times higher than the end face of the inlet end of the escape pipe 3 air inlet pipe 2 of center line of air inlet pipe 2 is stated, thus
So that needing first to change flow direction from the oil gas that the air inlet pipe 2 is come in front of the escape pipe 3 discharge, so that oil gas energy
It is more contacted with the inner wall of the shell 1, guarantees that the oil droplet in oil gas condenses into the effect of oil liquid.
In the present embodiment, the bleeder pipe 4 is S-shaped, and the highest point of its bending section is lower than the feed end of the bleeder pipe 4
End face.In actual use, the discharge end of the bleeder pipe 4 connects dirty oil tank, to collect the oil liquid of condensation.By will be described
Bleeder pipe 4 is arranged to S-shaped, so that the middle part of the bleeder pipe 4 can store a part of oil liquid always, so as to avoid by described
The oil gas that air inlet pipe 2 enters inside the shell 1 is directly discharged from the bleeder pipe 4.
In the present embodiment, the shell 1 includes housing body 11 and the top plate 12 for being covered on the housing body 11, described
Top plate 12 is connect with 11 bolt 13 of housing body.When the inside to the shell 1 being needed to clean, directly described in opening
Top plate 12.Meanwhile being connect for convenience of the top plate 12 with the housing body 11, the top of the housing body 11 is equipped with
Annular enclosure 14, the enclosure 14 be equipped with for the bolted screw hole of the top plate 12.
In the present embodiment, the escape pipe 3 is equipped with air hole 31 at the inside at 1 top of shell, described ventilative
The diameter in hole 31 is 15-25 millimeters, preferably 20 millimeters.Since diesel engine has double fuel type, when the crankcase is ventilative
It is applied with gas and oil separating plant in double fuel h type engine h, by the way that the air hole 31 is arranged, can prevent liquefied gas from gathering
At the top of the ventilative gas and oil separating plant of the crankcase.
In the present embodiment, it is connect for convenience of the air inlet pipe 2, escape pipe 3 and bleeder pipe 4 with other equipment, the air inlet
The discharge end of the inlet end of pipe 2, the outlet side of the escape pipe 3 and the bleeder pipe 4 is equipped with flange 5.
In the present embodiment, the housing body 11 includes cylinder and the bottom plate set on the cylinder bottom end, the circle
The inside nominal diameter of cylinder is greater than or equal to the inside nominal diameter of air inlet pipe 2 described in three times.
The above are the situations that the side of the shell 1 is arranged in the air inlet pipe 2, and the permeability cell of different engines connects
Mouth and pipeline arrangement have differences, and for convenience of connecting, the air inlet pipe 2 be can be set in the side of the shell 1, below to tool
Body embodiment is described in detail.
Embodiment two
It please refers to attached drawing 2, is the outlet side of the air inlet pipe 2 from the shell in the present embodiment with the difference of embodiment one
The bottom of body 1 is penetrated to the inside of the shell 1, specifically:
In the present embodiment, the longitudinal section of the shell 1 is rectangle, and the bottom of the shell 1 is arranged in the air inlet pipe 2,
0.8-1.2 times higher than the end face of the inlet end of the escape pipe 3 of the end face of the outlet side of the air inlet pipe 2 air inlet pipe 2
Inside nominal diameter.Preferably, described in 1 times higher than the end face of the inlet end of the escape pipe 3 of the end face of the outlet side of the air inlet pipe 2
The inside nominal diameter of air inlet pipe 2, so that needing elder generation before the escape pipe 3 discharge from the oil gas that the air inlet pipe 2 is come in
Change flow direction, so that oil gas can be contacted more with the inner wall of the shell 1, guarantees that the oil droplet in oil gas condenses into oil liquid
Effect.
The present embodiment and the other structures of embodiment one and corresponding effect are all the same, and details are not described herein again.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of ventilative gas and oil separating plant of crankcase, is mounted on the permeability cell of engine crankcase, it is characterised in that: packet
Shell, air inlet pipe, escape pipe and bleeder pipe are included, the inlet end of the escape pipe is penetrated at the top of the shell to the shell
Inside, the inlet end of the air inlet pipe connects the permeability cell, the outlet side of the air inlet pipe from the bottom of the shell or
Side wall is penetrated to the inside of the shell, and the lower end of the shell is arranged in the bleeder pipe.
2. the ventilative gas and oil separating plant of crankcase as described in claim 1, it is characterised in that: the bottom of the shell is to fall
The side of the shell is arranged in taper, the air inlet pipe, and the center of the bottom of the shell is arranged in the bleeder pipe.
3. the ventilative gas and oil separating plant of crankcase as claimed in claim 2, it is characterised in that: the center line of the air inlet pipe
The inside nominal diameter of the 1.2-1.7 times of air inlet pipe higher than the end face of the inlet end of the escape pipe.
4. the ventilative gas and oil separating plant of crankcase as described in claim 1, it is characterised in that: the longitudinal section of the shell is
The bottom of the shell is arranged in rectangle, the air inlet pipe.
5. the ventilative gas and oil separating plant of crankcase as claimed in claim 4, it is characterised in that: the outlet side of the air inlet pipe
0.8-1.2 times higher than the end face of the inlet end of the escape pipe air inlet pipe in end face inside nominal diameter.
6. the ventilative gas and oil separating plant of crankcase as described in any one in claim 1-5, it is characterised in that: the bleeder pipe
For S-shaped, and the highest point of its bending section is lower than the end face of the feed end of the bleeder pipe.
7. the ventilative gas and oil separating plant of crankcase as described in any one in claim 1-5, it is characterised in that: the shell packet
Housing body and the top plate for being covered on the housing body are included, the top plate is bolted with the housing body.
8. the ventilative gas and oil separating plant of crankcase as claimed in claim 7, it is characterised in that: the top of the housing body
Equipped with annular enclosure, the enclosure is equipped with the screw hole for connecting with the roof bolt.
9. the ventilative gas and oil separating plant of crankcase as described in any one in claim 1-5, it is characterised in that: the escape pipe
Air hole is equipped at the inside of the case top, the diameter of the air hole is 15-25 millimeters.
10. the ventilative gas and oil separating plant of crankcase as described in any one in claim 1-5, it is characterised in that: the air inlet
The discharge end of the inlet end of pipe, the outlet side of the escape pipe and the bleeder pipe is equipped with flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910850523.8A CN110529218A (en) | 2019-09-10 | 2019-09-10 | A kind of ventilative gas and oil separating plant of crankcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910850523.8A CN110529218A (en) | 2019-09-10 | 2019-09-10 | A kind of ventilative gas and oil separating plant of crankcase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110529218A true CN110529218A (en) | 2019-12-03 |
Family
ID=68667913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910850523.8A Pending CN110529218A (en) | 2019-09-10 | 2019-09-10 | A kind of ventilative gas and oil separating plant of crankcase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110529218A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228185A (en) * | 2020-10-16 | 2021-01-15 | 中国船舶科学研究中心 | Ventilating oil-water condensing device for crankcase of marine medium-high speed diesel engine |
| CN113669227A (en) * | 2021-06-25 | 2021-11-19 | 沪东中华造船(集团)有限公司 | High-pressure gas discharge anti-splashing device and anti-splashing method for ship construction |
| CN115013119A (en) * | 2022-06-17 | 2022-09-06 | 沪东中华造船(集团)有限公司 | Oil-gas separation method and device for marine crankcase |
| CN116265722A (en) * | 2021-12-17 | 2023-06-20 | 沪东重机有限公司 | Crankcase Oil-gas Separator for Nuclear Power Emergency Diesel Generator Set |
| IT202300007680A1 (en) * | 2023-04-19 | 2024-10-19 | Nuovo Pignone Tecnologie Srl | Air-oil separation system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201661339U (en) * | 2010-04-29 | 2010-12-01 | 广西玉柴机器股份有限公司 | Gas-oil separation device of engine crank case |
| CN201843662U (en) * | 2010-11-08 | 2011-05-25 | 东风朝阳柴油机有限责任公司 | Respirator oil-return device with non-return function |
| CN106593576A (en) * | 2016-12-27 | 2017-04-26 | 中船动力有限公司 | Oil-gas separator of diesel engine |
-
2019
- 2019-09-10 CN CN201910850523.8A patent/CN110529218A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201661339U (en) * | 2010-04-29 | 2010-12-01 | 广西玉柴机器股份有限公司 | Gas-oil separation device of engine crank case |
| CN201843662U (en) * | 2010-11-08 | 2011-05-25 | 东风朝阳柴油机有限责任公司 | Respirator oil-return device with non-return function |
| CN106593576A (en) * | 2016-12-27 | 2017-04-26 | 中船动力有限公司 | Oil-gas separator of diesel engine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228185A (en) * | 2020-10-16 | 2021-01-15 | 中国船舶科学研究中心 | Ventilating oil-water condensing device for crankcase of marine medium-high speed diesel engine |
| CN113669227A (en) * | 2021-06-25 | 2021-11-19 | 沪东中华造船(集团)有限公司 | High-pressure gas discharge anti-splashing device and anti-splashing method for ship construction |
| CN116265722A (en) * | 2021-12-17 | 2023-06-20 | 沪东重机有限公司 | Crankcase Oil-gas Separator for Nuclear Power Emergency Diesel Generator Set |
| CN115013119A (en) * | 2022-06-17 | 2022-09-06 | 沪东中华造船(集团)有限公司 | Oil-gas separation method and device for marine crankcase |
| IT202300007680A1 (en) * | 2023-04-19 | 2024-10-19 | Nuovo Pignone Tecnologie Srl | Air-oil separation system |
| WO2024217723A1 (en) * | 2023-04-19 | 2024-10-24 | Nuovo Pignone Tecnologie - S.R.L. | Air-oil separation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191203 |
|
| RJ01 | Rejection of invention patent application after publication |