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CN108015064B - Pipeline pre-flushing equipment for marine low-speed diesel engine - Google Patents

Pipeline pre-flushing equipment for marine low-speed diesel engine Download PDF

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Publication number
CN108015064B
CN108015064B CN201711482733.3A CN201711482733A CN108015064B CN 108015064 B CN108015064 B CN 108015064B CN 201711482733 A CN201711482733 A CN 201711482733A CN 108015064 B CN108015064 B CN 108015064B
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CN
China
Prior art keywords
oil
circulation cabinet
cabinet
cleaning circulation
cleaning
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Application number
CN201711482733.3A
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Chinese (zh)
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CN108015064A (en
Inventor
林海洋
商建玮
龙林钢
丁一
陆浩
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Hudong Heavy Machinery Co Ltd
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Hudong Heavy Machinery Co Ltd
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Priority to CN201711482733.3A priority Critical patent/CN108015064B/en
Publication of CN108015064A publication Critical patent/CN108015064A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/032Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/02Combinations of filters of different kinds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The invention discloses a marine low-speed diesel engine pipeline pre-flushing device, which comprises a box body mechanism, a filtering unit and an electric control operation unit, and has the beneficial effects that: the pipeline is connected as required when the pipeline is used, the pipeline can be subjected to oil pre-feeding before the pipeline installation, so that the oil feeding time of the upper station of the whole workshop is shortened, the station occupation time of a host is shortened, the utilization rate of the test station is improved, the aim that the pipeline is subjected to oil pre-feeding, the assembly of the pipeline and the host is not interfered with each other and the operation is performed simultaneously is achieved, and the working efficiency is greatly improved.

Description

Pipeline pre-flushing equipment for marine low-speed diesel engine
Technical Field
The invention relates to pipeline pre-flushing equipment, in particular to pipeline pre-flushing equipment for a marine low-speed diesel engine.
Background
Before each marine low-speed diesel engine runs, the cleaning of each pipeline is ensured, so that the inner wall of the pipeline has smoother hand feeling and no obvious rough feeling. Dust, welding slag and dirt particles can be carried in the process of pipeline manufacture and pipeline assembly, so that oil flushing of the pipeline is one of important links in the pipeline installation process. The current pipeline oil-feeding flushing is carried out in the installation process, and the pipeline is subjected to an oil-feeding process after being installed, so that the assembly progress of a host machine can be delayed during oil feeding.
Disclosure of Invention
The invention aims to provide marine low-speed diesel pipeline pre-flushing equipment so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a marine low-speed diesel engine pipeline pre-flushing device comprises a box body mechanism, a filtering unit and an electric control operation unit;
the box body mechanism comprises a double-color liquid level meter, a cleaning circulation cabinet, a main pump motor, a main oil pump and a bag filter, wherein fuel oil is stored in the cleaning circulation cabinet, the main oil pump is arranged at the top of the cleaning circulation cabinet and is driven to operate by the main pump motor arranged at the top of the cleaning circulation cabinet, the main oil pump is arranged on an oil feeding main pipe, the bottom end of the oil feeding main pipe is not lower than the fuel oil level in the cleaning circulation cabinet, and a first butterfly valve is arranged on the oil feeding main pipe; the cleaning circulation cabinet is also connected with an oil return main pipe, and the oil return main pipe is provided with a pressure gauge for detecting oil return pressure, a sampling valve for sampling and detecting oil return and a first butterfly valve; one side of the cleaning circulation cabinet is also provided with a liquid level switch for controlling the oil level in the cleaning circulation cabinet, a bicolor liquid level gauge for indicating the oil level and a cleaning manhole for overhauling the interior of the cleaning circulation cabinet; the bottom of the cleaning circulation cabinet is provided with a discharge pipe for evacuating fuel oil in the cleaning circulation cabinet, and the discharge pipe is provided with a circulation cabinet discharge ball valve;
the filtering unit comprises an oil suction filter arranged at the bottom of the oil feeding main pipe and a bag filter arranged on the oil return main pipe;
the electric control operation unit is an electric control cabinet arranged at the top of the cleaning circulation cabinet, and the electric control cabinet is in control connection with the main pump motor and the liquid level switch.
As a further scheme of the invention: the filtering precision of the oil suction filter is 100um; the bag filter is internally provided with a stainless steel filter screen, a filter bag and a magnetic filter, and the filtering precision is 1um.
As still further aspects of the invention: the cleaning circulation cabinet is made of stainless steel plates, a plurality of moving wheels are arranged at the bottom of the cleaning circulation cabinet, and a handle for pushing the cleaning circulation cabinet to move is further arranged at one side of the cleaning circulation cabinet.
As still further aspects of the invention: two lifting lugs with opposite positions are also arranged at the top of the cleaning circulation cabinet.
As still further aspects of the invention: and an overflow valve is arranged on the oil feeding main pipe.
As still further aspects of the invention: and a vent pipe used for guaranteeing the balance of air pressure in the cleaning circulation cabinet is also arranged at one side of the cleaning circulation cabinet, and an air filter is arranged on the vent pipe.
As still further aspects of the invention: the inside of the cleaning circulation cabinet is provided with a drain tank drain pipe, and the bottom of the cleaning circulation cabinet is provided with a drain tank drain ball valve.
Compared with the prior art, the invention has the beneficial effects that: the pipeline is connected as required when the pipeline is used, the pipeline can be subjected to oil pre-feeding before the pipeline installation, so that the oil feeding time of the upper station of the whole workshop is shortened, the station occupation time of a host is shortened, the utilization rate of the test station is improved, the aim that the pipeline is subjected to oil pre-feeding, the assembly of the pipeline and the host is not interfered with each other and the operation is performed simultaneously is achieved, and the working efficiency is greatly improved.
Drawings
Fig. 1: a front view of a marine low-speed diesel pipeline pre-flushing device;
fig. 2: a top view of marine low-speed diesel pipeline pre-flushing equipment;
fig. 3: a working principle diagram of pipeline pre-flushing equipment of a marine low-speed diesel engine;
fig. 4: a control schematic diagram of pipeline pre-flushing equipment of a marine low-speed diesel engine;
fig. 5: an alarm device schematic diagram of marine low-speed diesel engine pipeline pre-flushing equipment;
fig. 6: a pipeline schematic diagram of pipeline pre-flushing equipment of a marine low-speed diesel engine.
Fig. 7: a pre-oil-feeding layout diagram (two sets) of marine low-speed diesel pipeline pre-flushing equipment.
Fig. 8: fig. 7 is a left side view.
Fig. 9: a pre-oil-feeding layout diagram (four sets) of marine low-speed diesel pipeline pre-flushing equipment.
In the figure: 1-electric control cabinet, 2-liquid level switch, 3-circulation cabinet discharge ball valve, 4-bicolor liquid level meter, 5-washing circulation cabinet, 6-washing manhole, 7-movable wheel, 8-sump oil cabinet discharge ball valve, 9-lug, 10-bag filter, 11-manometer, 12-butterfly valve I, 13-main pump motor, 14-sump oil cabinet discharge pipe, 15-overflow valve, 16-main oil pump, 17-sampling valve, 18-air filter, 19-handle, 20-oil suction filter, 21-fuel oil inlet header pipe I, 22-fuel oil inlet header pipe II, 23-fuel oil return header pipe I, 24-fuel oil return header pipe II, 25-back pressure valve, 26-fuel oil branch pipe I, 27-butterfly valve II, 28-fuel oil branch pipe II and 29-oil throwing header pipe.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a marine low-speed diesel pipeline pre-flushing device includes a box mechanism, a filtering unit, and an electric control operation unit;
the box body mechanism comprises a double-color liquid level meter 4, a cleaning circulation cabinet 5, a main pump motor 13, a main oil pump 16 and a bag filter 10, wherein fuel oil is stored in the cleaning circulation cabinet 5, the main oil pump 16 is arranged at the top of the cleaning circulation cabinet 5, the main oil pump 16 is driven to operate by the main pump motor 13 arranged at the top of the cleaning circulation cabinet 5, the main oil pump 16 is arranged on an oil feeding main pipe 29, the bottom end of the oil feeding main pipe 29 is not lower than the fuel oil level in the cleaning circulation cabinet 5, and a butterfly valve I12 is arranged on the oil feeding main pipe 29; the cleaning circulation cabinet 5 is also connected with an oil return main pipe, and the oil return main pipe is provided with a pressure gauge 11 for detecting oil return pressure, a sampling valve 17 for sampling and detecting oil return and a first butterfly valve 12; a liquid level switch 2 for controlling the oil level in the cleaning circulation cabinet 5, a bicolor liquid level meter 4 for indicating the oil level and a cleaning manhole 6 for overhauling the cleaning circulation cabinet 5 are also arranged at one side of the cleaning circulation cabinet 5; the bottom of the cleaning circulation cabinet 5 is provided with a discharge pipe for evacuating fuel oil in the cleaning circulation cabinet 5, and the discharge pipe is provided with a circulation cabinet discharge ball valve 3;
the filtering unit comprises an oil suction filter 20 arranged at the bottom of an oil feeding main pipe 29 and a bag filter 10 arranged on an oil return main pipe;
the electric control operation unit is an electric control cabinet 1 arranged at the top of the cleaning circulation cabinet 5, the electric control cabinet 1 is in control connection with the main pump motor 13 and the liquid level switch 2, and centralized control of functions such as oil feeding, series washing and heating can be realized through the electric control cabinet.
The filtering precision of the oil suction filter 20 is 100um, and the filter element can be repeatedly used after being cleaned; the bag filter 10 incorporates a stainless steel filter screen, a filter bag, and a magnetic filter, and has a filtering accuracy of 1um.
The cleaning and circulating cabinet 5 is made of stainless steel plates, a plurality of moving wheels 7 are arranged at the bottom of the cleaning and circulating cabinet 5, and a handle 19 for pushing the cleaning and circulating cabinet 5 to move is further arranged at one side of the cleaning and circulating cabinet 5.
The top of the cleaning circulation cabinet 5 is also provided with two lifting lugs 9 which are opposite in position.
The oil supply manifold 29 is provided with an overflow valve 15.
One side position of the cleaning and circulating cabinet 5 is also provided with a ventilation pipe for guaranteeing the air pressure balance in the cleaning and circulating cabinet 5, and the ventilation pipe is provided with an air filter 18, so that the inside of the cleaning and circulating cabinet is not in a negative pressure state due to the reduction of the internal oil quantity during operation.
The inside of the cleaning circulation cabinet 5 is provided with a dirty oil cabinet discharging pipe 14, and the bottom of the cleaning circulation cabinet 5 is provided with a dirty oil cabinet discharging ball valve 8 for discharging dirty oil above the circulation cabinet 5.
The use method of the low-speed diesel engine pipeline pre-flushing device is that the pipeline pre-flushing device and the pipeline are connected, so that the effect of simultaneously pre-feeding oil into multiple pipelines in a reasonable space is achieved, and the device is suitable for pre-feeding oil into the diesel engine pipeline.
The pipeline pre-flushing equipment is an independent oil supply unit, controls the whole oil feeding process, supplies oil for the whole system, filters dust, welding slag and dirt particles brought in during pipeline manufacture and pipeline assembly, and can also sample, analyze and check the oil feeding effect. The oil is thrown by using special cylinder oil for the ship.
The pipeline mainly comprises: a first fuel inlet main pipe 21, a second fuel inlet main pipe 22, a first fuel return main pipe 23, a second fuel return main pipe 24, a back pressure valve 25 arranged on the second fuel return main pipe 24, a first fuel branch pipe 26 and a second fuel branch pipe 28 arranged on the first fuel inlet main pipe 21 or the second fuel inlet main pipe 22,
the specific arrangement and connection mode is as follows:
(1) The first fuel oil inlet main pipe 21, the second fuel oil inlet main pipe 22, the first fuel oil return main pipe 23 and the second fuel oil return main pipe 24 are arranged on a special bracket;
(2) Connecting the first fuel inlet main pipe 21 and the second fuel inlet main pipe 22 with a fuel feeding main pipe 29 of a diesel engine pipeline flushing device, and connecting the first fuel return main pipe 23 and the second fuel return main pipe 24 with a return main pipe;
(3) Connecting the first fuel branch pipe 26 and the second fuel branch pipe 28 with the first fuel inlet main pipe 21 or the second fuel inlet main pipe 22;
(4) Placing the oil manifold 29 on a dedicated rack;
(5) The first fuel inlet main pipe 21 and the second fuel inlet main pipe 22 are connected by using a hose, and the first fuel return main pipe 23 and the second fuel return main pipe 24 are also connected by using a hose;
(7) And removing the back pressure valve 25, and connecting the first fuel return main pipe 23 and the second fuel return main pipe 24 with the return main pipe by using hoses.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. The utility model provides a marine low-speed diesel engine pipeline pre-flushing equipment, includes box mechanism, filter unit and automatically controlled operating unit, its characterized in that, box mechanism includes two-color liquid level gauge (4), washs circulation cabinet (5), main pump motor (13), main oil pump (16) and pocket filter (10), the fuel has been stored in wasing circulation cabinet (5), washs the top of circulation cabinet (5) and installs main oil pump (16), and main oil pump (16) are by installing main pump motor (13) drive operation at wasing the top of circulation cabinet (5), and main oil pump (16) are installed on throwing oily house steward (29), and the bottom of throwing oily house steward (29) is not below wasing the fuel liquid level in circulation cabinet (5), is installed butterfly valve one (12) on throwing oily house steward (29); the cleaning circulation cabinet (5) is also connected with an oil return main pipe, and the oil return main pipe is provided with a pressure gauge (11) for detecting oil return pressure, a sampling valve (17) for sampling and detecting oil return and a butterfly valve I (12); a liquid level switch (2) for controlling the oil level in the cleaning circulation cabinet (5), a bicolor liquid level meter (4) for indicating the oil level and a cleaning manhole (6) for overhauling the interior of the cleaning circulation cabinet (5) are also arranged at one side of the cleaning circulation cabinet (5); the bottom of the cleaning circulation cabinet (5) is provided with a discharge pipe for discharging fuel oil in the cleaning circulation cabinet (5), and the discharge pipe is provided with a circulation cabinet discharge ball valve (3);
the filtering unit comprises an oil suction filter (20) arranged at the bottom of the oil feeding main pipe (29) and a bag filter (10) arranged on the oil return main pipe;
the electric control operation unit is an electric control cabinet (1) arranged at the top of the cleaning circulation cabinet (5), and the electric control cabinet (1) is in control connection with a main pump motor (13) and a liquid level switch (2);
the filtering precision of the oil suction filter (20) is 100um; the bag filter (10) is internally provided with a stainless steel filter screen, a filter bag and a magnetic filter, and the filtering precision is 1um;
the cleaning circulation cabinet (5) is made of stainless steel plates, a plurality of moving wheels (7) are arranged at the bottom of the cleaning circulation cabinet (5), and a handle (19) for pushing the cleaning circulation cabinet (5) to move is further arranged at one side of the cleaning circulation cabinet (5).
2. A marine low-speed diesel pipeline pre-flushing device as defined in claim 1, wherein,
two lifting lugs (9) which are opposite in position are further arranged on the top of the cleaning circulation cabinet (5).
3. A marine low-speed diesel pipeline pre-flushing device as defined in claim 1, wherein,
and an overflow valve (15) is arranged on the oil feeding main pipe (29).
4. A marine low-speed diesel pipeline pre-flushing device as defined in claim 1, wherein,
one side position of the cleaning circulation cabinet (5) is also provided with a ventilation pipe used for guaranteeing the balance of air pressure in the cleaning circulation cabinet (5), and an air filter (18) is arranged on the ventilation pipe.
5. The marine low-speed diesel pipeline pre-flushing device according to claim 1, wherein a dirty oil tank discharging pipe (14) is installed in the cleaning circulation tank (5), and a dirty oil tank discharging ball valve (8) is installed at the bottom of the cleaning circulation tank (5).
CN201711482733.3A 2017-12-29 2017-12-29 Pipeline pre-flushing equipment for marine low-speed diesel engine Active CN108015064B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711482733.3A CN108015064B (en) 2017-12-29 2017-12-29 Pipeline pre-flushing equipment for marine low-speed diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711482733.3A CN108015064B (en) 2017-12-29 2017-12-29 Pipeline pre-flushing equipment for marine low-speed diesel engine

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CN108015064A CN108015064A (en) 2018-05-11
CN108015064B true CN108015064B (en) 2023-12-08

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114888005B (en) * 2022-04-27 2023-10-13 渤海造船厂集团有限公司 Hydraulic system cleanliness control method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201205560Y (en) * 2008-04-11 2009-03-11 通州海狮船舶机械有限公司 Hydraulic oil feeding pipeline cleaning pump station
CN102211101A (en) * 2011-03-01 2011-10-12 宁波市恒通液压科技有限公司 Multifunctional pipeline washing oil filter
CN202238800U (en) * 2011-10-11 2012-05-30 中国海洋石油总公司 Cleaning equipment for lubricating oil pipeline
CN105396817A (en) * 2015-12-01 2016-03-16 中国船舶电站设备有限公司 Integrated pumping flushing equipment for ME components
CN105436156A (en) * 2015-12-11 2016-03-30 沪东重机有限公司 Oil pre-injection technological method of fuel oil piping of marine low-speed diesel engine
CN208213846U (en) * 2017-12-29 2018-12-11 沪东重机有限公司 A kind of marine low speed diesel engine pipeline pre-flush equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201205560Y (en) * 2008-04-11 2009-03-11 通州海狮船舶机械有限公司 Hydraulic oil feeding pipeline cleaning pump station
CN102211101A (en) * 2011-03-01 2011-10-12 宁波市恒通液压科技有限公司 Multifunctional pipeline washing oil filter
CN202238800U (en) * 2011-10-11 2012-05-30 中国海洋石油总公司 Cleaning equipment for lubricating oil pipeline
CN105396817A (en) * 2015-12-01 2016-03-16 中国船舶电站设备有限公司 Integrated pumping flushing equipment for ME components
CN105436156A (en) * 2015-12-11 2016-03-30 沪东重机有限公司 Oil pre-injection technological method of fuel oil piping of marine low-speed diesel engine
CN208213846U (en) * 2017-12-29 2018-12-11 沪东重机有限公司 A kind of marine low speed diesel engine pipeline pre-flush equipment

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