CN113799955B - Isolating device and boats and ships that lubricating oil purified - Google Patents
Isolating device and boats and ships that lubricating oil purified Download PDFInfo
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- CN113799955B CN113799955B CN202111138501.2A CN202111138501A CN113799955B CN 113799955 B CN113799955 B CN 113799955B CN 202111138501 A CN202111138501 A CN 202111138501A CN 113799955 B CN113799955 B CN 113799955B
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- lubricating oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/386—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling lubrication liquids
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Abstract
The invention relates to the technical field of ship construction, and discloses an isolating device for lubricating oil purification and a ship. The isolating device for purifying the lubricating oil comprises an outer pipe, an oil return pipe, a clean oil pipe and a pump body. The outer tube includes body and flange dish, and the top of body has the top cap, and the bottom opening of body sets up. The top of body is located to the ring flange cover to detachably sets up in the outer roof of lubricating oil circulation cabin. The body can wear to locate in the lubricating oil circulation cabin. The oil return pipe and the oil purification pipe are both arranged on the top cover in a penetrating way and extend into the pipe body. The oil return pipe is used for discharging dirty oil into the pipe body, and the oil purification pipe is used for sucking the dirty oil in the pipe body. The suction rate of the clean oil pipe is greater than the discharge rate of the return oil pipe. The pump body is communicated with the oil purification pipe to provide suction power for the oil purification pipe. The pipe body separates dirty oil from clean oil, and closed circulation of dirty oil purification is realized. When the lubricating oil circulation cabin is built, cleaned and coated, the isolating device for purifying the lubricating oil can be dismantled, and the building and cleaning efficiency of the lubricating oil circulation cabin is improved.
Description
Technical Field
The invention belongs to the technical field of ship construction, and particularly relates to an isolating device for lubricating oil purification and a ship.
Background
In the daily system of the ship lubricating oil, return oil (dirty oil) of a main engine from a filter is discharged to a bottom shell of a lubricating oil circulation cabin, the return oil is pumped into an oil distribution machine through an oil distribution machine pump for purification, the dirty oil is easily mixed with clean lubricating oil (clean oil) in the lubricating oil circulation oil cabin, and the cleanliness of the lubricating oil pumped by the main engine is reduced.
At present, a compartment is usually built in the lubricating oil circulation tank, dirty oil is discharged into the compartment, and mixing with net oil in the lubricating oil circulation tank is avoided. Due to the fact that narrow subdivision chambers need to be built in the lubricating oil circulation cabin, the difficulty of cleaning, painting and pipeline installation of the lubricating oil circulation cabin and the subdivision chambers is increased. While reducing the internal space of the oil circulation compartment.
Therefore, an isolation device for oil purification and a ship are required to solve the above problems.
Disclosure of Invention
One object of the present invention is to provide an isolation device for oil purification, so as to effectively isolate dirty oil from clean oil in an oil circulation tank, reduce the occupation of the internal space of the oil circulation tank, and facilitate the construction and cleaning of the oil circulation tank.
Another object of the present invention is to provide a ship, which can effectively isolate dirty oil from clean oil in a lubricant oil circulation tank, reduce the occupied internal space of the lubricant oil circulation tank, and facilitate the construction and cleaning of the lubricant oil circulation tank.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an isolation device for oil purification, comprising:
the outer pipe comprises a pipe body and a flange plate, wherein the top end of the pipe body is provided with a top cover, and the bottom end of the pipe body is provided with an opening; the flange plate is sleeved at the top end of the pipe body and detachably arranged on the outer top wall of the lubricating oil circulation cabin; the pipe body can penetrate through the lubricating oil circulation cabin;
the oil return pipe and the oil purification pipe are arranged on the top cover in a penetrating mode and extend into the pipe body; the oil return pipe is used for discharging dirty oil into the pipe body, and the oil purification pipe is used for sucking the dirty oil in the pipe body; the pumping rate of the clean oil pipe is greater than the discharge rate of the oil return pipe; and
and the pump body is communicated with the oil purification pipe so as to provide suction power for the oil purification pipe.
Further, the bottom end of the clean oil pipe is lower than the bottom end of the oil return pipe and is close to the bottom end of the pipe body.
Further, the distance between the bottom end of the pipe body and the inner bottom wall of the lubricating oil circulation cabin is 5-20 mm.
Furthermore, the pipe body is provided with air holes along the circumferential direction of the pipe body, and the air holes are located in the lubricating oil circulation cabin and are higher than the lubricating oil liquid level in the lubricating oil circulation cabin.
Further, the isolating device for purifying the lubricating oil further comprises:
the two sleeves penetrate through and are welded on the top cover; the oil return pipe and the oil purification pipe are respectively arranged in the corresponding sleeve in a penetrating way and welded.
Further, the isolating device for purifying the lubricating oil further comprises:
the two sleeves penetrate through and are welded on the top cover; the oil return pipe and the oil purification pipe are respectively arranged in the corresponding sleeve in a penetrating way and in threaded connection.
Further, the isolating device for purifying the lubricating oil further comprises:
the base, set up in the outer parietal of lubricating oil circulation cabin, ring flange detachably set up in on the base, the body can wear to locate in proper order the base with in the lubricating oil circulation cabin.
Further, the flange plate is connected with the base through bolts.
Further, the isolating device for purifying the lubricating oil further comprises:
the gasket is clamped between the flange plate and the base.
A ship comprises the isolating device for purifying the lubricating oil.
The beneficial effects of the invention are as follows:
according to the isolating device for purifying the lubricating oil, the oil return pipe and the oil purifying pipe penetrate through the top cover on the pipe body and extend into the pipe body to form a pipe-in-pipe structure. The pipe-in-pipe structure penetrates through the lubricating oil circulation cabin, dirty oil is discharged into the pipe body through the oil return pipe, and the pump body sucks the dirty oil in the pipe body through the oil purification pipe. The pipe body isolates dirty oil from clean oil in the lubricating oil circulation cabin. Because the pumping speed of the clean oil pipe is greater than the discharge speed of the oil return pipe, the inside of the pipe body is in a negative pressure environment, dirty oil cannot enter the lubricating oil circulation cabin, the dirty oil and the clean oil are prevented from being mixed, and the closed circulation of dirty oil purification is realized. Meanwhile, the pipe-in-pipe structure is detachably arranged in the lubricating oil circulating cabin through the flange plate, and when the lubricating oil circulating cabin is built, cleaned or coated, the isolating device for purifying lubricating oil can be detached, so that the building efficiency and the cleaning efficiency of the lubricating oil circulating cabin are improved, and the occupied inner space of the lubricating oil circulating cabin is reduced.
The ship provided by the invention comprises the lubricating oil purification isolation device, dirty oil and clean oil in a lubricating oil circulation cabin are isolated by the pipe body, and the pipe body is in a negative pressure environment because the pumping rate of the clean oil pipe is greater than the discharge rate of the oil return pipe, so that the dirty oil cannot enter the lubricating oil circulation cabin, the dirty oil and the clean oil are prevented from being mixed, and the closed circulation of dirty oil purification is realized. Meanwhile, the pipe-in-pipe structure is detachably arranged in the lubricating oil circulating cabin through the flange plate, and when the lubricating oil circulating cabin is built, cleaned or coated, the isolating device for purifying lubricating oil can be detached, so that the building efficiency and the cleaning efficiency of the lubricating oil circulating cabin are improved, and the occupied inner space of the lubricating oil circulating cabin is reduced.
Drawings
FIG. 1 is a sectional view of an isolation device for oil purification according to an embodiment of the present invention.
The component names and designations in the drawings are as follows:
10. a lubricating oil circulation compartment;
1. an outer tube; 11. a pipe body; 111. air holes are formed; 12. a flange plate; 13. a top cover; 14. a sleeve;
2. an oil return pipe; 3. cleaning an oil pipe; 4. a base; 5. and (7) a gasket.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
At present, a separate cabin is built in the lubricating oil circulation cabin 10 of a ship, dirty oil is discharged into the separate cabin, and the dirty oil is prevented from being mixed with clean oil in the lubricating oil circulation cabin 10. The pump body of the oil separator pumps dirty oil into the oil separator for purification. The bay is built in the oil circulation tank 10, which increases the difficulty of cleaning, coating and pipeline installation of the oil circulation tank 10 and the bay. While reducing the inner space of the oil circulation tank 10.
In order to solve the above problem, as shown in fig. 1, the present embodiment discloses an isolation device for oil purification, which includes an outer tube 1, an oil return tube 2, an oil purification tube 3, and a pump body. The outer tube 1 comprises a tube body 11 and a flange 12, wherein a top cover 13 is arranged at the top end of the tube body 11, and the bottom end of the tube body 11 is provided with an opening. The flange 12 is sleeved on the top end of the pipe body 11 and detachably disposed on the outer top wall of the oil circulation chamber 10. The pipe body 11 can be inserted into the oil circulation tank 10. The oil return pipe 2 and the oil purification pipe 3 are both arranged on the top cover 13 in a penetrating manner and extend into the pipe body 11. The oil return pipe 2 is used for discharging dirty oil into the pipe body 11, and the clean oil pipe 3 is used for sucking the dirty oil in the pipe body 11. The suction rate of the clean oil pipe 3 is greater than the discharge rate of the return oil pipe 2. The pump body communicates with the clean oil pipe 3 to provide suction power to the clean oil pipe 3.
As further shown in fig. 1, when the pipe body 11 is inserted into the oil circulation tank 10, the upper portion of the pipe body 11 having the top cover 13 is located outside the oil circulation tank 10. The top end of the pipe body 11 is provided with the top cover 13, so that good sealing of the lubricating oil circulation cabin 10 is ensured.
Specifically, the oil return pipe 2 and the oil purification pipe 3 penetrate through the top cover 13 on the pipe body 11 and extend into the pipe body 11 to form a pipe-in-pipe structure. The pipe-in-pipe structure is arranged in the lubricating oil circulation cabin 10 in a penetrating mode, dirty oil is discharged into the pipe body 11 through the oil return pipe 2, and the pump body sucks the dirty oil in the pipe body 11 through the oil purification pipe 3. The pipe body 11 isolates dirty oil from clean oil in the oil circulation tank 10. Because the suction rate of the oil purification pipe 3 is greater than the discharge rate of the oil return pipe 2, the interior of the pipe body 11 is in a negative pressure environment, dirty oil cannot enter the lubricating oil circulation cabin 10, the dirty oil and the clean oil are prevented from being mixed, and the closed circulation of dirty oil purification is realized.
The tube-in-tube construction of this embodiment is removably mounted within the oil circulation trunk 10 by means of a flange 12. When the oil circulation tank 10 is constructed, cleaned, or painted, the isolating device for purifying the oil can be removed to improve the construction efficiency and cleaning efficiency of the oil circulation tank 10 and reduce the occupation of the internal space of the oil circulation tank 10. When dirty oil needs to be purified, the pipe-in-pipe structure is mounted on the lubricating oil circulation cabin 10 again through the flange plate 12, and flexible mounting and use of the lubricating oil purification isolation device are achieved.
As shown in fig. 1, when the isolating device for purifying the lubricating oil is installed, a through hole needs to be formed in the top wall of the lubricating oil circulation tank 10, so that the pipe body 11 extends into the lubricating oil circulation tank 10 through the through hole.
In order to facilitate the stable installation of the outer tube 1, the isolating device for purifying the lubricating oil of the present embodiment further includes a base 4, where the base 4 is a circular ring structure and is disposed on the outer top wall of the lubricating oil circulation cabin 10. Specifically, the base 4 is a carbon steel ring welded to the outer ceiling of the oil circulation tank 10, and the through hole is located in the base 4. The flange 12 is detachably disposed on the base 4, and the pipe 11 can sequentially penetrate through the base 4 and the lubricating oil circulation chamber 10.
Specifically, the base 4 is made of carbon steel, so that the structural strength of the base 4 can be improved, and meanwhile, the base 4 and the outer top wall of the lubricating oil circulation cabin 10 are convenient to weld. The welding improves the connection strength and the sealing performance between the base 4 and the lubricating oil circulation cabin 10.
The flange 12 of this embodiment is connected to the base 4 by bolts. The top surface of the base 4 is provided with a plurality of threaded holes at intervals along the circumferential direction, and the flange 12 is correspondingly provided with a plurality of positioning holes. When the isolating device for purifying the lubricating oil is installed, a plurality of bolts respectively penetrate through the positioning holes and are in threaded connection with the corresponding threaded holes. The threaded connection improves the connection strength of the flange plate 12 and the base 4, and the assembly and disassembly are convenient.
It should be noted that when the flange 12 and the base 4 are fixed, a gasket 5 is interposed between the flange 12 and the base 4 to improve the sealing performance between the flange 12 and the base 4, so as to maintain a good sealing performance in the oil circulation chamber 10 and prevent oil leakage.
The gasket 5 of this embodiment chooses for use non-asbestos fiber base gasket, is favorable to protecting ring flange 12 and base 4, avoids its rust and corrosion, has improved the isolator's of lubricating oil purification life.
As shown in fig. 1, the pipe 11 is provided with air holes 111 along the circumferential direction, and the air holes 111 are located in the lubricating oil circulation chamber 10. The inner cavity of the pipe body 11 is communicated with the lubricating oil circulation chamber 10 through the air holes 111, so that the internal pressure and the external pressure of the pipe body 11 are kept consistent, and the dirty oil in the pipe body 11 can be sucked by the oil purification pipe 3.
It should be noted that the air hole 111 is higher than the level of the lubricating oil in the lubricating oil circulation chamber 10, so as to prevent the clean oil in the lubricating oil circulation chamber 10 from flowing into the pipe 11 through the air hole 111, which is beneficial to ensure the effective separation of dirty oil and clean oil.
The number of the airing holes 111 of the present embodiment is four, and the diameter is 20mm. The four air holes 111 are arranged at equal intervals along the circumferential direction of the pipe body 11. Of course, the number of the ventilation holes 111 may be one, two, three, or more than five. The size and shape of the ventilation hole 111 can be adjusted according to the design requirement of the tube 11, and is not limited in detail.
It should be noted that, when the isolating device for purifying the lubricating oil is installed in the lubricating oil circulation tank 10, the liquid level inside the pipe body 11 has the same height as the outside of the pipe body 11 (inside the lubricating oil circulation tank 10) because the pipe body 11 is provided with the air vent 111.
It can be understood that the closer the bottom end of the pipe body 11 is to the inner bottom wall of the oil circulation chamber 10, the better the pipe body 11 can isolate dirty oil from clean oil. The distance between the bottom end of the pipe body 11 and the inner bottom wall of the lubricating oil circulation cabin 10 is 5 mm-20 mm. For example, the distance between the bottom end of the pipe body 11 and the inner bottom wall of the oil circulation compartment 10 may be 5mm, 8mm, 10mm, 12mm, 15mm, 18mm, 20mm, or the like.
As shown in fig. 1, the bottom end of the clean oil pipe 3 is lower than the bottom end of the return oil pipe 2 and close to the bottom end of the pipe body 11. The bottom end of the oil return pipe 2 of this embodiment is lower than the level of the oil in the oil circulation tank 10. After dirty oil is released to the interior of the pipe body 11 from the oil return pipe 2, the dirty oil flows to the bottom end of the pipe body 11 due to more impurities. The bottom (suction port) of oil purification pipe 3 is close to the bottom of body 11, and oil purification pipe 3 of being convenient for is in the oil separator with dirty oil suction completely, further avoids dirty oil to flow into the clean oil in lubricating oil circulation cabin 10, is favorable to improving dirty oil's purification efficiency, has strengthened the separation effect of body 11.
In the embodiment, the tube 11 and the cap 13 have the same thickness and are thinner, so as to reduce the weight of the outer tube 1 and the cost of the outer tube 1. The connecting strength of the over-thin top cover 13 and the oil return pipe 2 and the oil cleaning pipe 3 with thin-wall structures is not high. For this reason, the isolating device for purifying lubricating oil of the present embodiment further includes a sleeve 14, and the oil return pipe 2 and the oil purification pipe 3 are respectively and stably connected to the top cover 13 through the corresponding sleeves 14.
Specifically, the number of the sleeves 14 of the present embodiment is two, and the axial height of the sleeve 14 is much larger than the thickness of the top cover 13. Two sleeves 14 are inserted through and welded to the top cover 13. The oil return pipe 2 and the oil purification pipe 3 are respectively arranged in the corresponding sleeve 14 in a penetrating way and welded.
In the welding process, the upper end and the lower end of the sleeve 14 are respectively welded with the corresponding oil return pipe 2 or the oil purification pipe 3, the middle part of the sleeve 14 is welded with the top cover 13, and the connecting strength between the oil return pipe 2 and the oil purification pipe 3 and the corresponding sleeve 14 is improved. Meanwhile, the sleeve 14 can limit and guide the oil return pipe 2 and the oil purification pipe 3, and the oil return pipe 2 and the oil purification pipe 3 are stably installed.
In addition, because the axial height of the sleeve 14 is greater than the thickness of the top cover 13, the welding heat accumulation between the oil return pipe 2, the oil purification pipe 3 and the top cover 13 is avoided, and the influence on the use of the lubricating oil purification isolation device caused by the deformation or the welding penetration of the oil return pipe 2, the oil purification pipe 3 and the top cover 13 is avoided.
In other embodiments, two sleeves 14 are threaded through and welded to the top cover 13. The oil return pipe 2 and the oil purification pipe 3 are respectively arranged in the corresponding sleeve 14 in a penetrating way and in threaded connection. In particular, the sleeve 14 has an internal thread, and the return pipe 2 has an adapted external thread corresponding to the outer circumference of the clean oil pipe 3. The sleeve 14 is in threaded connection with the corresponding oil return pipe 2 or the oil purification pipe 3, so that the welding process is reduced, and the assembly efficiency of the lubricating oil purification isolation device is improved. Meanwhile, the height of the oil return pipe 2 and the height of the oil purification pipe 3 can be respectively adjusted by screwing the oil return pipe 2 and the oil purification pipe 3 forwards or reversely, so that the oil return pipe 2 and the oil purification pipe 3 can be flexibly adjusted.
The embodiment also discloses a ship, wherein the isolating device for purifying the lubricating oil is detachably arranged in the lubricating oil circulation cabin 10 of the ship, so that dirty oil discharged from the oil return pipe 2 cannot enter the lubricating oil circulation cabin 10, and closed circulation of dirty oil purification is realized. Meanwhile, when the lubricating oil circulation tank 10 is built, cleaned or coated, the isolating device for purifying lubricating oil can be removed, so that the building efficiency and the cleaning efficiency of the lubricating oil circulation tank 10 are improved, and the occupied internal space of the lubricating oil circulation tank 10 is reduced.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An isolation device for oil purification, comprising:
the outer pipe (1) comprises a pipe body (11) and a flange plate (12), a top cover (13) is arranged at the top end of the pipe body (11), and an opening is formed in the bottom end of the pipe body (11); the flange plate (12) is sleeved at the top end of the pipe body (11) and detachably arranged on the outer top wall of the lubricating oil circulation cabin (10); the pipe body (11) can penetrate through the lubricating oil circulation cabin (10);
the oil return pipe (2) and the oil purification pipe (3) are arranged on the top cover (13) in a penetrating manner and extend into the pipe body (11); the oil return pipe (2) is used for discharging dirty oil into the pipe body (11), and the oil purification pipe (3) is used for sucking the dirty oil in the pipe body (11); the suction rate of the clean oil pipe (3) is greater than the discharge rate of the oil return pipe (2); and
and the pump body is communicated with the clean oil pipe (3) so as to provide suction power for the clean oil pipe (3).
2. The isolating device for purifying lubricating oil according to claim 1, wherein the bottom end of the clean oil pipe (3) is lower than the bottom end of the return oil pipe (2) and close to the bottom end of the pipe body (11).
3. The device for isolating the purification of lubricating oil according to claim 2, wherein the distance between the bottom end of the tube body (11) and the inner bottom wall of the lubricating oil circulation tank (10) is 5mm to 20mm.
4. The isolating device for purifying lubricating oil according to claim 1, wherein the pipe body (11) is provided with air holes (111) along the circumferential direction thereof, and the air holes (111) are located in the lubricating oil circulation tank (10) and are higher than the lubricating oil level in the lubricating oil circulation tank (10).
5. The isolation device for oil purification according to any one of claims 1 to 4, further comprising:
the two sleeves (14) are arranged in a penetrating way and welded on the top cover (13); the oil return pipe (2) and the oil cleaning pipe (3) are respectively arranged in the corresponding sleeve (14) in a penetrating way and welded.
6. The isolation device for oil purification according to any one of claims 1 to 4, further comprising:
the two sleeves (14) are arranged in a penetrating way and welded on the top cover (13); the oil return pipe (2) and the oil purification pipe (3) are respectively arranged in the corresponding sleeve (14) in a penetrating way and in a threaded connection way.
7. The isolation device for oil purification according to claim 1, further comprising:
base (4), set up in the outer top wall of lubricating oil circulation cabin (10), ring flange (12) detachably set up in on base (4), body (11) can wear to locate in proper order base (4) with in the lubricating oil circulation cabin (10).
8. The device according to claim 7, characterized in that said flange (12) is connected to said base (4) by means of bolts.
9. The isolation device for oil purification according to claim 7, further comprising:
the gasket (5) is clamped between the flange plate (12) and the base (4).
10. A marine vessel comprising an oil-cleaned separator device according to any one of claims 1 to 9.
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CN202111138501.2A CN113799955B (en) | 2021-09-27 | 2021-09-27 | Isolating device and boats and ships that lubricating oil purified |
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CN113799955B true CN113799955B (en) | 2023-03-24 |
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2021
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KR20110005355U (en) * | 2009-11-24 | 2011-06-01 | 현대중공업 주식회사 | Sump Tank Cover Apparatus |
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JP2011179447A (en) * | 2010-03-03 | 2011-09-15 | Mitsubishi Heavy Ind Ltd | Negative pressure oil storage container for turbine |
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