CN102454446A - Warm-up and test bed trial technology for lubricating system of diesel engine - Google Patents
Warm-up and test bed trial technology for lubricating system of diesel engine Download PDFInfo
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- CN102454446A CN102454446A CN2011100795363A CN201110079536A CN102454446A CN 102454446 A CN102454446 A CN 102454446A CN 2011100795363 A CN2011100795363 A CN 2011100795363A CN 201110079536 A CN201110079536 A CN 201110079536A CN 102454446 A CN102454446 A CN 102454446A
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Abstract
The invention discloses a warm-up and test bed trial technology for a lubricating system of a diesel engine; the warm-up and test bed trial technology comprises the following steps of: main lubricating oil of the diesel engine is connected in parallel with a pipeline leading to a hydraulic control unit of the diesel engine, and the pipeline is sealed by a blind flange; an oil supply pipeline, which leads to the hydraulic control unit of the diesel engine, is arranged at an output interface of a secondary filter of a hydraulic oil supply device; four pipelines of the hydraulic control unit of the original diesel engine, which lead to oil return pipelines of a main engine, are closed off and cut off, and then interfaces of the oil return pipes are directly connected with four oil return filters of the hydraulic oil supply device to form an independent and closed circulating system; when commands of motor cars are received, power supply devices such as a main oil supply pump, a fuel feed pump of an oil separator, the oil separator and the like of the hydraulic oil supply device of the hydraulic control unit are started for supplying working medium lubricating oil to the hydraulic control unit of the diesel engine to carry out circulating serial washing; and simultaneously, a main engine supply device of an auxiliary engine pump station of a factory is started for carrying out circulating serial washing on cooling, fuel and lubricating oil systems of the diesel engine. By adopting the technology, the test bed warm-up period of the diesel engine is shortened, and simultaneously the cleanness and normal operation of the hydraulic control unit are guaranteed when the test bed trail is conducted.
Description
Technical field:
The present invention relates in a kind of electronic control type large-sized low-speed marine diesel engine warming-up in MAN series and the testbed trial, to subsystem---the cleaning inside of hydraulic control unit and the technology of proof test platform proper functioning parallelly connected with the lubricating oil system of diesel engine.
Background technique:
The technical development of high-power low-speed diesel peculiar to vessel has now got into electronically controlled intellectuality, low oil consumption, low emission epoch.Electronically controlled main frame hydraulic control unit system has replaced traditional Machinery Control System.It is present most advanced world diesel engine control system.The appearance of this technology makes the instruction of marine diesel engine execution work meticulousr, accurate.Service behaviour is more economical, perfect.Usually, the marine low speed diesel engine of non-electronic control type has just got into the stage of testbed trial after completion is built in general assembly on the Laboratory Furniture, in this stage, at first will carry out an important technical process, i.e. warming-up engineering.
Warming-up engineering working contents is: start the main frame supplier of factory's subsidiary engine pumping plant, to as yet not the marine diesel engine of entry into service circuit fresh water, seawater, fuel oil, lubricating oil repeatedly are provided.The main purpose of warming-up engineering has two.The one, through supplying with circuit fresh water, seawater, fuel oil, lubricating oil, check the pipeline work whether sensible, relevant elements of cooling, fuel oil, lubricating oil system of diesel engine whether unimpeded flexibly.Another main purpose is: through these liquid working substances; To pipeline, the passage of these systems of diesel engine, repeatedly the flushing of circulating will be in the diesel engine building course; Remaining; Accumulate in each system pipeline, in the dead angle of passage, the nook, the residue that manual work can't be removed, broken end clean up.To guarantee when the Laboratory Furniture test run proper functioning of diesel engine and running.Usually, to the large-sized low-speed marine diesel engine of general mechanical-type, the warming-up engineering only needs 3-5 days time, just can accomplish the purpose of warming-up engineering.But for the marine diesel engine of large-sized low-speed electronic control type, its unique hydraulic control unit has specific (special) requirements to the lubricating oil turbidity test.According to the requirement of IS04406/16/13 standard, the granularity the during work of its working medium lubricant oil is less than 6 μ m, could satisfy host hydraulic system the execution valve member rapidly, in time, work reliably.
The hydraulic control unit of electronic control type large-sized low-speed marine diesel engine is the branch units that belongs to a parallel connection in the diesel lubrication oil lubrication system.Therefore in normal warming-up fuel feeding process, in the lubricating oil system, there are a large amount of residues, iron to cut, are mingled in the lubricating oil, get into and, get back in the Oil Tank of factory's subsidiary engine pumping plant through hydraulic control unit.And hydraulic control unit mostly is that some manufacturings are accurate; Baroque part and element along with the circulate of diesel engine lubricating oil system, are sneaked into the residue in the lubricating oil, broken end will stagnate naturally, be retained in the hydraulic control unit; Make the original very inside of cleaning, form secondary pollution.Utilize the lubricating oil process of washing, be difficult to again clean up.If the turbidity test to get back to the lubricating oil granularity in the subsidiary engine pumping plant lubricating oil tank are standard less than 6 μ m, the hydraulic control unit of electronic control type marine diesel engine will need nearly 30 days time at least.Even reached the standard of turbidity test less than 6 μ m; Also be difficult to guarantee not exist in the hydraulic control unit hidden danger of residue; Can not guarantee more that when testbed trial in the warming-up process of formerly carrying out, the do not have enough time residue that develops, broken end of diesel engines gets into hydraulic control unit once more; Like this, just be difficult to guarantee the diesel engine proper functioning.
Capacity, the volume of the main frame supply system device in the subsidiary engine pumping plant of factory are very huge, heavy, and its main frame supply system will undertaken many diesel engines mission of warming-up, test run simultaneously.Because many diesel engines recycle simultaneously, therefore, can not be many days consuming time of the hydraulic control unit of an electronic control type marine diesel engine, influence the normal test run test of other many diesel engines.
Summary of the invention:
The present invention is directed to the above-mentioned deficiency of existing technology; Provide a kind of and can reduce the diesel-engine tester warming-up cycle; Ensure when testbed trial the warming-up and the testbed trial technology of the cleaning of diesel engine hydraulic control unit and the lubricating system of diesel oil engine of normal work simultaneously.
Technical solution of the present invention is: a kind of warming-up of lubricating system of diesel oil engine and testbed trial technology, implement according to following steps:
A, be equipped with independently movable type hydraulic supplier; It is made up of oil supply system and absolute oil system; Wherein oil supply system is provided with main oil feed pump, and main oil feed pump links to each other with Oil Tank, and cooler, thermostat valve, secondary filter, oil feed pump constant voltage sensor are installed on the output pipe of main oil feed pump successively; Oil supply system also is provided with the oil return filter, and the oil return filter links to each other with Oil Tank through the oil return observation mirror; The absolute oil system is provided with the centrifugal oil separator oil feed pump, and the centrifugal oil separator oil feed pump links to each other with Oil Tank, and heater, centrifugal oil separator are installed on the output pipe of centrifugal oil separator oil feed pump successively, and centrifugal oil separator links to each other with the deslagging cabinet with Oil Tank respectively.
Oil supply system is to be transported to the hydraulic control unit of main frame to oil product through main oil pump, wherein can be so that oil product keeps constant temperature through being used of cooler and thermostat valve; Drive controlling through constant voltage sensor and oil feed pump makes oil product keep constant voltage; Can be through ultra secondary filter so that oil product reaches the oil product required precision of hydraulic control unit.The absolute oil system is that centrifugal oil separator begins to start, and through the ultracentrifugal effect of centrifugal oil separator, separates moisture in the oil product and impurity, is discharged to then in the deslagging cabinet after being heated to uniform temperature to the diesel lubrication oil of main fuel tank through heater.
B, the pipeline of diesel engine hydraulic control unit is led in diesel engine master lubricant oil parallel connection, seal with blind flange; At the output interface place of hydraulic oil supplier secondary filter, connect an oil feed line that leads to the diesel engine hydraulic control unit; Lead to main frame return line pipeline with four of former diesel engine hydraulic control unit and shut and block, then, the interface of these four return lines directly is connected with four oil return filters of hydraulic oil supplier, form the circulatory system of an independence, sealing;
C, when receive electronic control type large-sized low-speed marine diesel engine warming-up and test run be equipped with the car instruction after, the main frame supplier of the subsidiary engine pumping plant of the hydraulic supply unit of hydraulic control unit and factory gets into car standby condition fully synchronously;
D, after receiving motor-car instruction, the power such as main oil feed pump, centrifugal oil separator oil feed pump, centrifugal oil separator that start the hydraulic control unit fluid supply apparatus supply each device, wash to the diesel engine hydraulic control unit supply working medium lubricant oil string that circulates; The main frame supplier that starts the subsidiary engine pumping plant of factory is simultaneously washed cooling, fuel oil, the lubricating oil system of the diesel engine string that circulates.
In electronic control type large-sized low-speed marine diesel engine warming-up and commissioning process, the output interface of hydraulic system supplier movably, directly the hydraulic control unit filler opening with diesel engine docks.With main lubricating oil system and the hydraulic control unit parallel connection branch line relation that former diesel engine is provided with, become confession, the oil return circulatory system of each self-enclosed control of two-way.Be independent of the main lubricating oil system of diesel engine.Because this technology, with the confession of the confession in the lubrication system of diesel engine, return line and its parallel branch hydraulic control unit, return line separately, form the diesel lubrication oil supply system of two independences, sealing.In warming-up and commissioning process, the supply of lubricant oil becomes the independent respectively sealing of confession, oil return of two-way by one tunnel parallel connection at diesel engine, and each Self Control is not disturbed mutually.Like this, just avoided the residue in the diesel engine oil system, broken end to get into hydraulic control unit.
Because the hydraulic control unit capacity is very little, when mounted, inside is highly cleaned.During warming-up, the turbidity test of the lubricant oil that the hydraulic control unit supplier is supplied with are high, and the frequency and the speed that circulate at hydraulic control unit are exceedingly fast again.Therefore, can use the very short time, accomplish function the hydraulic control unit warming-up.Like this, the warming-up engineering of hydraulic control unit just can be at 3-5 days, with the warming-up construction period of diesel engine, same EOS.The secondary pollution that causes, and about 30 days the cycle that needs have been avoided because when the warming-up in the oil system of coexisting the time, test run.
When getting into the test run program, movably the hydraulic control unit supplier with the independent lubricant oil of supplying with hydraulic control unit high standard turbidity test, has guaranteed hydraulic control unit, does not receive from lubricating system of diesel oil engine the interference of any filth.This technology can be controlled at the function the same with lubricating system of diesel oil engine lubricant oil with technical parameters such as the lubricating oil pressure that supply with to get into hydraulic control unit, temperature, so just guaranteed hydraulic control unit on diesel engine according to instruction, proper functioning.
Description of drawings:
Fig. 1 is the structural principle block diagram of hydraulic supply unit of the present invention.
Embodiment:
Further specify embodiments of the invention below in conjunction with accompanying drawing.
A kind of warming-up of lubricating system of diesel oil engine and testbed trial technology is characterized in that: implement according to following steps:
A, be equipped with independently movable type hydraulic supplier; As shown in Figure 1, it is made up of oil supply system and absolute oil system, and wherein oil supply system is provided with main oil feed pump 2; Main oil feed pump 2 links to each other with Oil Tank 5; Cooler 1, thermostat valve 3, secondary filter 4, oil feed pump constant voltage sensor 12 are installed on the output pipe of main oil feed pump 2 successively, and oil supply system also is provided with oil return filter 11, and oil return filter 11 links to each other with Oil Tank 1 through oil return observation mirror 10; The absolute oil system is provided with centrifugal oil separator oil feed pump 9, and centrifugal oil separator oil feed pump 9 links to each other with Oil Tank 5, and heater 8, centrifugal oil separator 7 are installed on the output pipe of centrifugal oil separator oil feed pump 9 successively, and centrifugal oil separator 7 links to each other with deslagging cabinet 6 with Oil Tank 5 respectively;
The technical parameter of said apparatus is:
Oil Tank: 3-6m
3:
Oil pump: flow 50-100m
3/ h;
Filter: flow 50-100m
3/ h, precision 3-6 μ m;
Centrifugal oil separator: flow is 20% Oil Tank volume per hour;
Heater: flow 50-100m
3/ h, power 150-250kw;
Pressure control range: flow 50-100m
3/ h;
Temperature controlling range: flow is 50-100m
3/ h;
B, the pipeline of diesel engine hydraulic control unit is led in diesel engine master lubricant oil parallel connection, seal with blind flange; At the output interface place of hydraulic oil supplier secondary filter, connect an oil feed line that leads to the diesel engine hydraulic control unit; Lead to main frame return line pipeline with four of former diesel engine hydraulic control unit and shut and block, then, the interface of these four return lines directly is connected with four oil return filters of hydraulic oil supplier, form the circulatory system of an independence, sealing;
C, when receive electronic control type large-sized low-speed marine diesel engine warming-up and test run be equipped with the car instruction after, the main frame supplier of the subsidiary engine pumping plant of the hydraulic supply unit of hydraulic control unit and factory gets into car standby condition fully synchronously;
D, after receiving motor-car instruction, the power such as main oil feed pump, centrifugal oil separator oil feed pump, centrifugal oil separator that start the hydraulic control unit fluid supply apparatus supply each device, wash to the diesel engine hydraulic control unit supply working medium lubricant oil string that circulates; The main frame supplier that starts the subsidiary engine pumping plant of factory is simultaneously washed cooling, fuel oil, the lubricating oil system of the diesel engine string that circulates.
Claims (1)
1. the warming-up of a lubricating system of diesel oil engine and testbed trial technology is characterized in that: implement according to following steps:
A, be equipped with independently movable type hydraulic supplier; It is made up of oil supply system and absolute oil system; Wherein oil supply system is provided with main oil feed pump (2), and main oil feed pump (2) links to each other with Oil Tank (5), and cooler (1), thermostat valve (3), secondary filter (4), oil feed pump constant voltage sensor (12) are installed on the output pipe of main oil feed pump (2) successively; Oil supply system also is provided with oil return filter (11), and oil return filter (11) links to each other with Oil Tank (1) through oil return observation mirror (10); The absolute oil system is provided with centrifugal oil separator oil feed pump (9), and centrifugal oil separator oil feed pump (9) links to each other with Oil Tank (5), and heater (8), centrifugal oil separator (7) are installed on the output pipe of centrifugal oil separator oil feed pump (9) successively, and centrifugal oil separator (7) links to each other with deslagging cabinet (6) with Oil Tank (5) respectively;
B, the pipeline of diesel engine hydraulic control unit is led in diesel engine master lubricant oil parallel connection, seal with blind flange; At the output interface place of hydraulic oil supplier secondary filter, connect an oil feed line that leads to the diesel engine hydraulic control unit; Lead to main frame return line pipeline with four of former diesel engine hydraulic control unit and shut and block, then, the interface of these four return lines directly is connected with four oil return filters of hydraulic oil supplier, form the circulatory system of an independence, sealing;
C, when receive electronic control type large-sized low-speed marine diesel engine warming-up and test run be equipped with the car instruction after, the main frame supplier of the subsidiary engine pumping plant of the hydraulic supply unit of hydraulic control unit and factory gets into car standby condition fully synchronously;
D, after receiving motor-car instruction, the power such as main oil feed pump, centrifugal oil separator oil feed pump, centrifugal oil separator that start the hydraulic control unit fluid supply apparatus supply each device, wash to the diesel engine hydraulic control unit supply working medium lubricant oil string that circulates; The main frame supplier that starts the subsidiary engine pumping plant of factory is simultaneously washed cooling, fuel oil, the lubricating oil system of the diesel engine string that circulates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110079536 CN102454446B (en) | 2011-03-31 | 2011-03-31 | Warm-up and test bed trial technology for lubricating system of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110079536 CN102454446B (en) | 2011-03-31 | 2011-03-31 | Warm-up and test bed trial technology for lubricating system of diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102454446A true CN102454446A (en) | 2012-05-16 |
| CN102454446B CN102454446B (en) | 2013-06-05 |
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| CN 201110079536 Active CN102454446B (en) | 2011-03-31 | 2011-03-31 | Warm-up and test bed trial technology for lubricating system of diesel engine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041406A (en) * | 2015-06-11 | 2015-11-11 | 上海中船三井造船柴油机有限公司 | Independent hydraulic oil supply system of marine low-speed diesel engine |
| CN106523068A (en) * | 2016-12-28 | 2017-03-22 | 沪东重机有限公司 | Auxiliary filter system for high-precision lubricating oil of diesel engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10124476A1 (en) * | 2001-05-19 | 2002-12-05 | Man B&W Diesel A/S, Copenhagen Sv | Oil supply system has filter unit with filter arrangement installed upstream from branch point in supply line and including several filter components with different mesh widths to suit required quality of hydraulic oil |
| JP2004044551A (en) * | 2002-07-15 | 2004-02-12 | Toyota Motor Corp | Warming-up assisting system for diesel engine |
| US6752159B1 (en) * | 2001-08-21 | 2004-06-22 | Motorvac Technologies, Inc. | Dynamic oil flusher cleaning system |
| US20090071913A1 (en) * | 2007-09-18 | 2009-03-19 | Man Diesel Se | Device and method for the cleaning of lubricant and a lubricant circuit |
| WO2009155915A1 (en) * | 2008-06-25 | 2009-12-30 | Man Diesel Filial Af Man Diesel Se, Tyskland | Hydraulic supply system of a large two-stroke diesel engine |
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2011
- 2011-03-31 CN CN 201110079536 patent/CN102454446B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10124476A1 (en) * | 2001-05-19 | 2002-12-05 | Man B&W Diesel A/S, Copenhagen Sv | Oil supply system has filter unit with filter arrangement installed upstream from branch point in supply line and including several filter components with different mesh widths to suit required quality of hydraulic oil |
| CN1247927C (en) * | 2001-05-19 | 2006-03-29 | 曼B与W狄赛尔公司 | Oil supply device |
| US6752159B1 (en) * | 2001-08-21 | 2004-06-22 | Motorvac Technologies, Inc. | Dynamic oil flusher cleaning system |
| JP2004044551A (en) * | 2002-07-15 | 2004-02-12 | Toyota Motor Corp | Warming-up assisting system for diesel engine |
| US20090071913A1 (en) * | 2007-09-18 | 2009-03-19 | Man Diesel Se | Device and method for the cleaning of lubricant and a lubricant circuit |
| WO2009155915A1 (en) * | 2008-06-25 | 2009-12-30 | Man Diesel Filial Af Man Diesel Se, Tyskland | Hydraulic supply system of a large two-stroke diesel engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041406A (en) * | 2015-06-11 | 2015-11-11 | 上海中船三井造船柴油机有限公司 | Independent hydraulic oil supply system of marine low-speed diesel engine |
| CN106523068A (en) * | 2016-12-28 | 2017-03-22 | 沪东重机有限公司 | Auxiliary filter system for high-precision lubricating oil of diesel engine |
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| Publication number | Publication date |
|---|---|
| CN102454446B (en) | 2013-06-05 |
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