CN219774217U - Oil-gas separator prefilter of spray pipe type engine - Google Patents
Oil-gas separator prefilter of spray pipe type engine Download PDFInfo
- Publication number
- CN219774217U CN219774217U CN202320811827.5U CN202320811827U CN219774217U CN 219774217 U CN219774217 U CN 219774217U CN 202320811827 U CN202320811827 U CN 202320811827U CN 219774217 U CN219774217 U CN 219774217U
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- China
- Prior art keywords
- prefilter
- gas separator
- oil
- prefiltering
- engine oil
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Links
- 238000011045 prefiltration Methods 0.000 title claims abstract description 107
- 239000007921 spray Substances 0.000 title claims abstract description 10
- 239000007789 gas Substances 0.000 abstract description 32
- 239000007788 liquid Substances 0.000 abstract description 17
- 239000002912 waste gas Substances 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 17
- 239000010705 motor oil Substances 0.000 description 9
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a prefilter of a jet-pipe engine oil-gas separator, which relates to the field of engine parts and comprises a prefilter shell, a prefilter air inlet pipe, a prefilter air outlet pipe, a prefilter baffle plate and an oil return channel, wherein the prefilter shell is transversely arranged, the prefilter air inlet pipe is arranged at one end of the prefilter shell, the prefilter air outlet pipe is arranged at the other end of the prefilter shell, the prefilter baffle plate is arranged in the prefilter shell, and the oil return channel is arranged in the middle of the prefilter shell, and the vertical section of the prefilter shell from the prefilter air inlet pipe to the prefilter air outlet pipe is gradually increased and then gradually decreased. Compared with the prior art, the utility model can better reduce large liquid drops in waste gas through the spray pipe and the shutter structure, and reduce the workload of the oil-gas separator.
Description
Technical Field
The utility model relates to the field of engine parts, in particular to a prefilter of an oil-gas separator of a jet-pipe engine.
Background
When the engine works, gas is combusted in a power stroke, a large amount of high-temperature and high-pressure mixed gas is generated, and the gas is blown into a crankcase from a gap between a cylinder and a piston and contains certain water vapor and sulfur dioxide. The oil is emulsified by the water vapor condensation, and the performance of the oil is lost by sulfur dioxide, so that the oil-gas separator is arranged to filter and discharge mixed gas, a common waste gas outlet is arranged on a machine body or an engine housing and is connected to the oil-gas separator through a pipeline, and a large amount of large liquid drops of the oil can be carried into the oil-gas separator in the process that the mixed gas is discharged out of the engine and enters the oil-gas separator, thereby increasing the work load of the oil-gas separator, reducing the service life of the oil-gas separator and increasing the use cost.
The prior crankcase ventilation assembly is not provided with a prefilter, so that large liquid drops are easy to enter the oil-gas separator, and the workload of the oil-gas separator is increased.
Disclosure of Invention
The purpose of the utility model is that: the prefilter of the jet-pipe engine oil-gas separator is capable of avoiding large liquid drops from entering the oil-gas separator and reducing the work load of the oil-gas separator.
In order to achieve the above purpose, the technical scheme of the utility model provides a prefilter of a jet-pipe engine oil-gas separator, which comprises a prefilter shell, a prefilter air inlet pipe, a prefilter air outlet pipe, a prefilter baffle plate and an engine oil large liquid drop oil return channel, wherein the prefilter shell is transversely arranged, the prefilter air inlet pipe is arranged at one end of the prefilter shell, the prefilter air outlet pipe is arranged at the other end of the prefilter shell, the prefilter baffle plate is arranged in the prefilter shell, and the engine oil large liquid drop oil return channel is arranged in the middle of the prefilter shell, and the vertical section of the prefilter shell from the prefilter air inlet pipe to the prefilter air outlet pipe is gradually increased and then gradually decreased.
Preferably, the prefilter housing is spray-tube shaped.
Preferably, the prefilter baffle is arranged transversely.
Preferably, the vertical section of the prefilter baffle plate is of an inverted V-shaped structure.
Preferably, two ends of the V-shaped structure of the prefilter baffle are respectively close to the prefilter air inlet pipe and the prefilter air outlet pipe.
Preferably, the oil return passage is provided in the middle of the prefilter housing.
Preferably, the prefilter baffle is provided in a plurality.
Preferably, a plurality of prefilter baffles are arranged in parallel in a shutter structure.
Preferably, the prefilter baffle is detachably connected with the prefilter housing.
Preferably, a felt system is arranged on the prefilter baffle plate.
In summary, the utility model has the following beneficial technical effects:
the utility model adopts the design of the spray pipe type and the shutter type structure, improves the prefiltering effect of the prefilter on large liquid drops of engine oil by using the layer-by-layer diversion structure, and greatly reduces the flow resistance of the engine oil, wherein the shutter type diversion structure adopts the detachable device, thereby being convenient for replacement and cleaning, improving the recycling rate of the device and reducing the use cost.
The utility model utilizes the spray pipe type and shutter type prefilter structure, waste gas enters the prefilter, and large liquid drops are easier to deposit on the shutter baffle plate due to the enlarged pipe section and the reduced flow velocity, the shutter baffle plate is provided with a felt structure, the large liquid drops are better attached to the baffle plate, and the waste gas gradually flows back to the machine body through the oil return channel of the prefilter shell under the action of gravity.
Drawings
FIG. 1 is a schematic diagram of a prefilter of a jet engine oil-gas separator according to the present utility model;
FIG. 2 is a cross-sectional view of a prefilter of a nozzle engine oil-gas separator of the present utility model;
FIG. 3 is a schematic diagram of the operation of a prefilter of a jet engine oil-gas separator according to the present utility model.
Reference numerals: 1. a prefilter housing; 2. pre-filtering an air inlet pipe; 3. pre-filtering an air outlet pipe; 4. a prefilter baffle; 5. and an oil return passage.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model discloses a prefilter of a jet-pipe engine oil-gas separator, which is arranged between an engine body oil-gas outlet and an oil-gas separator air inlet pipe and comprises a prefilter shell 1, a prefilter air inlet pipe 2 arranged at one end of the prefilter shell 1, a prefilter air outlet pipe 3 arranged at the other end of the prefilter shell 1, a prefilter baffle 4 arranged in the prefilter shell 1 and an oil return channel 5 arranged on the prefilter shell 1, wherein the prefilter shell 1 is transversely arranged.
Wherein, the prefilter shell 1 is in a spray pipe shape, and the vertical section from the prefilter air inlet pipe 2 to the prefilter air outlet pipe 3 is gradually increased and then gradually decreased so as to reduce the flow rate and then increase the flow rate; the prefilter baffle plates 4 are of an inverted V-shaped structure and are arranged in parallel, and two ends of the prefilter baffle plates 4 are respectively close to the prefilter air inlet pipe 2 and the prefilter air outlet pipe 3; the prefilter baffle 4 is detachably connected with the prefilter shell 1, a felt system is arranged on the prefilter baffle 4, and prefilter engine oil flows back to the engine body through an oil return channel 5.
When the oil gas in the engine enters the prefilter, the large liquid drops gradually rise along with the oil gas, the flow speed is reduced because the section of a pipeline is enlarged, the large liquid drops are easier to attach to a prefilter baffle plate under the action of gravity, a felt system is arranged on the prefilter baffle plate 4 and flow back to the engine body under the action of gravity, the oil gas containing the large liquid drops of the engine oil is filtered through a plurality of layers of prefilter baffle plates 4 to form the oil gas with less large liquid drops of the engine oil, and the filtered engine oil liquid drops flow back to the engine body through an oil return channel 5.
The utility model adopts the design of the spray pipe type and the shutter type structure, improves the prefiltering effect of large liquid drops of engine oil by using the layer-by-layer flow guiding structure, and greatly reduces the oil gas flow resistance, wherein the shutter type flow guiding structure adopts the detachable device, thereby being convenient for replacement and cleaning, improving the recycling rate of the device and reducing the use cost.
The utility model utilizes the spray pipe type and shutter type prefilter structure, waste gas enters the prefilter, and large liquid drops are easier to deposit on the shutter baffle plate due to the enlarged pipe section and the reduced flow velocity, the shutter baffle plate is provided with a felt structure, the large liquid drops are better attached to the baffle plate, and gradually flow back to the machine body through the oil return channel under the action of gravity.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (10)
1. A spray pipe type engine oil-gas separator prefilter is characterized in that: including horizontal prefiltering casing (1), locate prefiltering intake pipe (2) of prefiltering casing (1) one end, locate prefiltering outlet duct (3) of prefiltering casing (1) other end, locate prefiltering baffle (4) in prefiltering casing (1), and locate oil return channel (5) in the middle of prefiltering casing (1), prefiltering casing (1) is followed prefiltering intake pipe (2) extremely vertical cross-section of prefiltering outlet duct (3) grow earlier and then diminish gradually.
2. A nozzle engine oil-gas separator prefilter as defined in claim 1, wherein: the prefilter shell (1) is in a spray pipe shape.
3. A nozzle engine oil-gas separator prefilter as defined in claim 1, wherein: the prefilter baffle plate (4) is transversely arranged.
4. A nozzle engine oil-gas separator prefilter as defined in claim 3, wherein: the vertical section of the prefilter baffle plate (4) is of an inverted V-shaped structure.
5. A nozzle engine oil-gas separator prefilter as defined in claim 4, wherein: the two ends of the V-shaped structure of the prefilter baffle plate (4) are respectively close to the prefilter air inlet pipe (2) and the prefilter air outlet pipe (3).
6. A nozzle engine oil-gas separator prefilter as defined in claim 1, wherein: the number of the prefilter baffle plates (4) is plural.
7. A nozzle engine oil-gas separator prefilter as defined in claim 6, wherein: the prefilter baffle plates (4) are arranged in parallel in a shutter structure.
8. A nozzle engine oil-gas separator prefilter as defined in claim 1, wherein: the prefilter baffle plate (4) is detachably connected with the prefilter shell (1).
9. A nozzle engine oil-gas separator prefilter as defined in claim 1, wherein: a felt system is arranged on the prefilter baffle plate (4).
10. A nozzle engine oil-gas separator prefilter as defined in claim 1, wherein: the oil return channel (5) is connected with the prefilter shell (1) and the machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320811827.5U CN219774217U (en) | 2023-04-12 | 2023-04-12 | Oil-gas separator prefilter of spray pipe type engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320811827.5U CN219774217U (en) | 2023-04-12 | 2023-04-12 | Oil-gas separator prefilter of spray pipe type engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774217U true CN219774217U (en) | 2023-09-29 |
Family
ID=88131921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320811827.5U Active CN219774217U (en) | 2023-04-12 | 2023-04-12 | Oil-gas separator prefilter of spray pipe type engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774217U (en) |
-
2023
- 2023-04-12 CN CN202320811827.5U patent/CN219774217U/en active Active
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