CN209761526U - Oil-gas separator structure for ship engine - Google Patents
Oil-gas separator structure for ship engine Download PDFInfo
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- CN209761526U CN209761526U CN201920201011.4U CN201920201011U CN209761526U CN 209761526 U CN209761526 U CN 209761526U CN 201920201011 U CN201920201011 U CN 201920201011U CN 209761526 U CN209761526 U CN 209761526U
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Abstract
The utility model discloses a ship is oil and gas separator structure for machine, include: the bottom plate is vertically arranged, and an air inlet is formed in the bottom plate; the shell is fixedly connected with the bottom plate, a shell cavity is formed inside the shell, and an oil return port is formed in the bottom of the shell; and the U-shaped cavity is arranged inside the shell, one side of the U-shaped cavity is fixedly connected with the bottom plate, the U-shaped cavity comprises an oil hole, a first cavity and a second cavity, the first cavity is communicated with the second cavity, the first cavity is provided with a first oil-gas separation wall surface, the second cavity is provided with a second oil-gas separation wall surface, the upper end of the second cavity is fixedly connected with a separation partition plate cover, an annular third cavity is formed between the separation partition plate cover and the outer wall surface of the second cavity, the third cavity is provided with a third oil-gas separation wall surface, and the shell cavity is provided with a fourth oil-gas separation wall surface. The utility model discloses a quartic oil-gas separation can be realized to ship machine oil-gas separator structure to effectively with oil-gas separation, the separation is effectual, and separation efficiency is high.
Description
Technical Field
The utility model relates to a marine diesel oil-gas separation field especially is about a marine oil-gas separator structure.
Background
When the marine large-displacement engine works, more combustible mixed gas and waste gas flow into a crankcase through a piston ring, and gasoline vapor flowing into the crankcase is condensed to dilute engine oil and deteriorate the performance. Because the waste gas contains water vapor and sulfur dioxide, the water vapor is condensed in the engine oil to form foam, and the supply of the engine oil is damaged; the sulfur dioxide generates sulfurous acid when meeting water, the sulfurous acid generates sulfuric acid when meeting oxygen in the air, and engine oil is deteriorated, so that the performance of an engine is influenced, and the requirement on the separation efficiency of the oil-gas separator is higher because the air leakage of a piston of a large-displacement engine is larger.
Patent CN206530381U discloses a "marine engine oil and gas separator", and specifically disclose marine engine oil and gas separator includes the casing, be equipped with air inlet and waste gas outlet and oil return opening on the casing, be equipped with the oil-gas separation room in the casing, be equipped with the air duct in the casing, divide into two cavitys through the baffle from top to bottom the casing, the air duct passes the baffle, the air duct upper end communicates with each other with the waste gas outlet that is located the casing upper end, the air duct lower extreme communicates with each other with the oil-gas separation room of establishing in the casing cavity down, the cavity formation waste gas condensate collecting vat on the casing, it is equipped. The marine engine oil-gas separator can prevent exhaust gas condensate water from flowing back to the inside of an engine. However, the oil-gas separator of the marine engine can only perform separation once, the separation effect is poor, and the oil-gas discharge still causes environmental pollution.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a ship is oil and gas separator structure for quick-witted, it can realize quartic oil-gas separation, and separation efficiency is high.
In order to achieve the above object, the utility model provides an oil and gas separator structure for ship machine, include: the bottom plate is vertically arranged, and an air inlet is formed in the bottom plate; the shell is fixedly connected with the bottom plate, a shell cavity is formed inside the shell, and an oil return port is formed in the bottom of the shell; the U-shaped cavity is arranged in the shell, one side of the U-shaped cavity is fixedly connected with the bottom plate, the U-shaped cavity comprises a U-shaped separation baffle plate and an oil hole formed in the bottom of the U-shaped cavity, the U-shaped separation baffle plate divides the U-shaped cavity into a first cavity and a second cavity, the first cavity is communicated with the second cavity, the first cavity is provided with a first oil-gas separation wall surface, the second cavity is provided with a second oil-gas separation wall surface, the upper end of the first cavity is closed, the upper end of the second cavity is provided with an opening, the upper end of the second cavity is fixedly connected with a separation baffle plate cover, an annular third cavity is formed between the separation baffle plate cover and the outer wall surface of the second cavity, and the third cavity is provided with a third oil-gas separation wall surface; and wherein, a plurality of air vents have still been seted up to second cavity top to make second cavity and third cavity communicate, the third cavity is linked together with the casing cavity, the casing cavity has the fourth oil-gas separation wall, so that after the air-fuel mixture got into first cavity from the air inlet, can collide first oil-gas separation wall, second oil-gas separation wall, third oil-gas separation wall and fourth oil-gas separation wall in proper order, thereby accomplish quartic oil-gas separation.
In a preferred embodiment, the oil-gas separator structure for the ship aircraft further comprises a vent pipe, and gas after four times of oil-gas separation can flow out through a vent hole of the vent pipe.
In a preferred embodiment, the air inlet is arranged at a position above the bottom plate so that the air-oil mixture can enter the upper part of the first cavity from the air inlet, the first air-oil separation wall surface is configured so that the air-oil mixture entering the first cavity can impact the first air-oil separation wall surface, the air flow direction of the air-oil mixture is turned by 90 degrees, and a part of engine oil is separated and flows into the oil return port through the oil hole under the action of gravity so as to realize first air-oil separation.
in a preferred embodiment, the second oil-gas separation wall surface is configured to enable the oil-gas mixture after the first oil-gas separation to impact the second oil-gas separation wall surface through the second cavity, the airflow direction of the oil-gas mixture after the first oil-gas separation is turned by 90 degrees again, and a part of engine oil is separated again and flows into the oil return port through the oil hole under the action of gravity to realize the second oil-gas separation.
In a preferred embodiment, the third oil-gas separation wall surface is an inner wall surface of the separation partition plate cover, the third oil-gas separation wall surface is configured to enable the oil-gas mixture after the second oil-gas separation to enter the third cavity through the vent hole and then impact the third oil-gas separation wall surface, the airflow direction of the oil-gas mixture after the second oil-gas separation is turned by 90 degrees again, and a part of engine oil is separated again and flows into the oil return port through the oil hole under the action of gravity so as to realize the third oil-gas separation.
In a preferred embodiment, the fourth oil-gas separation wall surface is an inner wall surface of the housing cavity, the oil-gas mixture subjected to the third oil-gas separation can impact the fourth oil-gas separation wall surface after entering the housing cavity through the third cavity, the air flow direction of the oil-gas mixture subjected to the third oil-gas separation is turned by 180 degrees, and the engine oil is separated again and flows into the oil return port under the action of gravity, so that the fourth oil-gas separation is realized.
In a preferred embodiment, the plurality of ventilation holes are arranged in parallel at intervals.
In a preferred embodiment, the U-shaped cavity body is welded to the bottom plate, and the separating partition plate cover is welded to the upper end of the second cavity body.
In a preferred embodiment, a sealing gasket is disposed between the base plate and the housing, and the base plate, the housing, and the sealing gasket are connected by fastening bolts.
In a preferred embodiment, the housing is formed by casting, and the vent pipe is connected to the housing by a fastening bolt.
Compared with the prior art, according to the utility model discloses a ship is oil and gas separator structure for machine has following advantage: the utility model discloses an adopt the oil-gas separation structure that has built-in U type cavity, and inject first cavity, the second cavity, the third cavity, casing cavity and first oil-gas separation wall, second oil-gas separation wall, third oil-gas separation wall and fourth oil-gas separation wall, can make the gas-oil mixture circuitous the advancing, constantly with oil-gas separation, make the gas-oil mixture through 3 times 90 orientation changes and 180 orientation changes once, through striking each wall in proper order, finally realize quartic oil-gas separation, thereby effectively with oil-gas separation, separation effect is good, separation efficiency is high, and avoid oil-gas discharge to cause environmental pollution, guarantee the atmospheric pressure balance in the engine, simultaneously with the fuel flash separation in the oil gas, thereby the good operation of engine has been guaranteed, the working life of engine is improved. The utility model discloses an oil and gas separator for ship machine is with low costs, and long service life can effectively reduce the fault rate of part, is convenient for install and use widely.
Drawings
Fig. 1 is a schematic structural view of an oil-gas separator for a ship engine according to an embodiment of the present invention.
Fig. 2 is a sectional view of the separator for oil and gas in the direction a-a of the ship machine in fig. 1.
Fig. 3 is a sectional view taken along the direction B-B in fig. 2.
Description of the main reference numerals:
1-bottom plate, 2-shell, 3-U-shaped cavity, 4-shell cavity, 5-oil return port, 6-U-shaped separation partition, 7-oil hole, 8-first cavity, 9-second cavity, 10-first oil-gas separation wall, 11-second oil-gas separation wall, 12-separation partition cover, 13-third cavity, 14-vent hole, 15-air inlet, 16-third oil-gas separation wall, 17-vent pipe, 18-vent hole, 19-sealing gasket and 20-fastening bolt.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1 to 3, the oil-gas separator structure for a ship machine according to a preferred embodiment of the present invention includes: the device comprises a bottom plate 1, a shell 2 and a U-shaped cavity body 3, wherein the bottom plate 1 is vertically arranged, and an air inlet 15 is formed in the bottom plate 1. Casing 2 and bottom plate 1 fixed connection, casing 2 accessible casting moulding, casing 2 are inside to be formed with casing cavity 4, and the bottom of casing 2 is provided with oil return opening 5. The U-shaped cavity body 3 is arranged inside the shell 2, one side of the U-shaped cavity body 3 is fixedly connected with the bottom plate 1, the U-shaped cavity body 3 comprises a U-shaped separation partition plate 6 and an oil hole 7 formed in the bottom of the U-shaped cavity body 3, the U-shaped separation partition plate 6 divides the U-shaped cavity body 3 into a first cavity body 8 and a second cavity body 9, the first cavity body 8 is communicated with the second cavity body 9, the first cavity body 8 is provided with a first oil-gas separation wall surface 10, the second cavity body 9 is provided with a second oil-gas separation wall surface 11, the upper end of the first cavity body 8 is closed, the upper end of the second cavity body 9 is provided with an opening, the upper end of the second cavity body 9 is fixedly connected with a separation partition plate cover 12, the separation partition plate cover is preferably cylindrical, an annular third cavity body 13 is formed between the separation partition plate cover 12 and the outer wall surface of the second; and wherein, a plurality of air vents 14 have still been seted up to second cavity 9 top to make second cavity 9 and third cavity 13 be linked together, third cavity 13 is linked together with casing cavity 4, casing cavity 4 has the fourth oil-gas separation wall, so that after the air-gas mixture got into first cavity 8 from the air inlet, can collide first oil-gas separation wall 10, second oil-gas separation wall 11, third oil-gas separation wall 16 and fourth oil-gas separation wall in proper order, thereby accomplish quartic oil-gas separation.
In the above scheme, the oil-gas separator structure for the ship engine further comprises a vent pipe 17, and gas after four times of oil-gas separation can flow out through a vent hole 18 of the vent pipe 17. The breather pipe 17 is connected to the housing 2 by a fastening bolt. The air inlet 15 is arranged at a position above the base plate 1, so that the air-fuel mixture can enter the upper part of the first cavity 9 from the air inlet 15.
In a preferred embodiment, the plurality of ventilation holes 14 are arranged in parallel at intervals.
In a preferred embodiment, the U-shaped cavity body 3 is welded to the bottom plate 1, and the separation baffle cover 12 is welded to the upper end of the second cavity 9.
In a preferred embodiment, a gasket 19 is provided between the base plate 1 and the housing 2, and the base plate 1, the housing 2 and the gasket 19 are connected by fastening bolts 20.
The utility model discloses a working process of oil and gas separator structure for ship machine specifically is: the oil-gas mixture enters the first cavity 8 from the air inlet 15 and then impacts the first oil-gas separation wall surface 10, the air flow direction of the oil-gas mixture is turned by 90 degrees, and a part of engine oil is separated and flows into the oil return port 5 through the oil hole 7 under the action of gravity, so that the first oil-gas separation is realized. The oil-gas mixture after the first oil-gas separation continues to advance along the U-shaped cavity body 3, and then strikes a second oil-gas separation wall surface 11 after passing through the second cavity body 9, the airflow direction of the oil-gas mixture after the first oil-gas separation is turned for 90 degrees again, and a part of engine oil is separated again and flows into the oil return opening 5 through the oil hole 7 under the action of gravity, so that the second oil-gas separation is realized. The third oil-gas separation wall surface 16 is the inner wall surface of the separation partition plate cover 12, the oil-gas mixture subjected to the second oil-gas separation enters the third cavity 13 through the ventilation hole 14 and then can impact the third oil-gas separation wall surface 16, the airflow direction of the oil-gas mixture subjected to the second oil-gas separation is turned by 90 degrees again, and a part of engine oil is separated again and flows into the oil return port 5 through the oil hole 7 under the action of gravity, so that the third oil-gas separation is realized. The fourth oil-gas separation wall surface is the inner wall surface of the shell cavity 4, the oil-gas mixture after the third oil-gas separation can impact the fourth oil-gas separation wall surface after entering the shell cavity 4 through the third cavity 13, the air flow direction of the oil-gas mixture after the third oil-gas separation is turned by 180 degrees, the engine oil is separated again and flows into the oil return port 5 under the action of gravity, and the fourth oil-gas separation is realized.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (7)
1. The oil-gas separator structure for the ship machine is characterized by comprising:
the bottom plate is vertically arranged, and an air inlet is formed in the bottom plate;
The shell is fixedly connected with the bottom plate, a shell cavity is formed inside the shell, and an oil return port is formed in the bottom of the shell; and
The U-shaped cavity is arranged in the shell, one side of the U-shaped cavity is fixedly connected with the bottom plate, the U-shaped cavity comprises a U-shaped separation baffle plate and an oil hole arranged at the bottom of the U-shaped cavity,
The U-shaped cavity body is divided into a first cavity and a second cavity by the U-shaped separation partition plate, the first cavity is communicated with the second cavity, the first cavity is provided with a first oil-gas separation wall surface, the second cavity is provided with a second oil-gas separation wall surface, the upper end of the first cavity is closed, the upper end of the second cavity is provided with an opening, the upper end of the second cavity is fixedly connected with a separation partition plate cover, an annular third cavity is formed between the separation partition plate cover and the outer wall surface of the second cavity, and the third cavity is provided with a third oil-gas separation wall surface;
And a plurality of vent holes are further formed above the second cavity, so that the second cavity is communicated with the third cavity, the third cavity is communicated with the shell cavity, and the shell cavity is provided with a fourth oil-gas separation wall surface, so that oil-gas mixture can sequentially collide with the first oil-gas separation wall surface, the second oil-gas separation wall surface, the third oil-gas separation wall surface and the fourth oil-gas separation wall surface after entering the first cavity from the air inlet, and four times of oil-gas separation is completed.
2. the structure of oil and gas separator for ship's plane of claim 1, wherein the structure of oil and gas separator for ship's plane further comprises a vent pipe, and gas after the four times of oil and gas separation can flow out through a vent hole of the vent pipe.
3. an oil-gas separator structure for a ship engine as claimed in claim 1, wherein the gas inlet is provided at a position above the bottom plate so that the oil-gas mixture can enter above the first cavity from the gas inlet.
4. An oil and gas separator structure for a ship engine as claimed in claim 1, wherein the plurality of vent holes are arranged in parallel at intervals.
5. An oil-gas separator structure for a ship engine as claimed in claim 1, wherein the U-shaped cavity is welded and fixed to the bottom plate, and the separator plate cover is welded and fixed to an upper end of the second cavity.
6. An oil-gas separator structure for a ship engine as claimed in claim 1, wherein a sealing gasket is provided between the bottom plate and the housing, and the bottom plate, the housing and the sealing gasket are connected by fastening bolts.
7. An oil and gas separator structure for a ship engine as claimed in claim 2, wherein the housing is formed by casting, and the vent pipe is connected to the housing by a fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920201011.4U CN209761526U (en) | 2019-02-15 | 2019-02-15 | Oil-gas separator structure for ship engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920201011.4U CN209761526U (en) | 2019-02-15 | 2019-02-15 | Oil-gas separator structure for ship engine |
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| Publication Number | Publication Date |
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| CN209761526U true CN209761526U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920201011.4U Active CN209761526U (en) | 2019-02-15 | 2019-02-15 | Oil-gas separator structure for ship engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611176A (en) * | 2019-02-15 | 2019-04-12 | 广西玉柴机器股份有限公司 | Ship machine oil-gas separator structure |
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2019
- 2019-02-15 CN CN201920201011.4U patent/CN209761526U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611176A (en) * | 2019-02-15 | 2019-04-12 | 广西玉柴机器股份有限公司 | Ship machine oil-gas separator structure |
| CN109611176B (en) * | 2019-02-15 | 2020-04-24 | 广西玉柴机器股份有限公司 | Oil-gas separator structure for ship engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230118 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |
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| TR01 | Transfer of patent right |