CN106930799B - A kind of double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine - Google Patents
A kind of double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine Download PDFInfo
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- CN106930799B CN106930799B CN201710264127.8A CN201710264127A CN106930799B CN 106930799 B CN106930799 B CN 106930799B CN 201710264127 A CN201710264127 A CN 201710264127A CN 106930799 B CN106930799 B CN 106930799B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/16—Controlling lubricant pressure or quantity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/18—Indicating or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/001—Heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/005—Controlling temperature of lubricant
- F01M5/007—Thermostatic control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
A kind of double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine, including HMI control panel, control cabinet, high base number cylinder lubricating oil tank, low alkali value cylinder lubricating oil tank and cylinder lubricating oil mixing cabinet；Wherein, control cabinet includes the PLC controller being connected with HMI control panel and host ECS control cabinet, the expectation base number signal of its cylinder oil for receiving setting, high base number cylinder lubricating oil tank and low alkali value cylinder lubricating oil tank pass through the first oil scavenge pump and the second oil scavenge pump respectively and convey high base number cylinder oil and low alkali value cylinder oil to cylinder lubricating oil mixing cabinet, and cylinder lubricating oil mixing cabinet connects diesel engine and is equipped with mixing pump；PLC controller controls the revolving speed of the first oil scavenge pump and the second oil scavenge pump respectively, and mixing pump is stirred out the cylinder oil for meeting desired base number and is output to diesel engine.The present invention can go out the cylinder oil of optimal base number according to the operating condition of fuel oil and cylinder, automatic governing, achieve the effect that reduce operating cost, remove a hidden danger, cold burn into is avoided to guarantee vessel motion safety.
Description
Technical field
The present invention relates to a kind of equipments of marine diesel, and in particular to a kind of double base number cylinders of marine low speed diesel engine
The automatic attemperation apparatus of oil, belongs to Diesel Engine Technique Field.
Background technique
Due to the limitation of emission regulation, modern marine low speed diesel engine needs in emission control area and some special areas
Using Low Sulfur Fuel Oil, and in other regions using conventional high-sulfur heavy oil.Different sulfur contents and actual bavin for fuel oil
Oil machine gas in-cylinder condition, diesel engine will constantly adjust the base number and oiling rate of cylinder oil, the acid in the combustion chamber Lai Gaishan when running
Alkalinity, it is ensured that the normal operation of cylinder avoids cold corrosion.For this purpose, existing be aboard ship commonly equipped with two kinds of base number cylinder oils: a kind of low
Base number cylinder oil, another high base number cylinder oil.Correspondingly, cylinder oil feed system can provide two kinds of cylinder oils, and realize and cut
It changes.The structure of existing cylinder oil feed system is as shown in Figure 1.
High base number cylinder lubricating oil daily tank 1 stores high base number cylinder oil, and low alkali value cylinder lubricating oil daily tank 2 stores low alkali value
Cylinder oil, when diesel engine 5 is needed using Low Sulfur Fuel Oil, crewman is manually operated switching valve 3 and arrives low alkali value cylinder lubricating oil daily tank
2, low alkali value cylinder oil pipeline connection, low alkali value cylinder oil is transported to diesel engine 5 after heating by cylinder oil heating cabinet 4；Work as bavin
When oil machine 5 is needed using high-sulfur fuel oil, crewman is manually operated switching valve 3 and arrives high base number cylinder Oil Tank 1, and high base number cylinder oil pipe connects
Logical, high base number cylinder oil is transported to diesel engine 5 after heating by cylinder oil heating cabinet 4.
Only with there are two types of the cylinder oil feed system of base number cylinder oil, the scope of application is restricted, can not be according to reality
Situation in the sulfur content and cylinder of diesel engine of fuel oil is accurately adjusted and provides the cylinder oil of optimal base number, and tune can only be passed through
Oiling rate is saved to balance base number, this will lead to, and vessel motion cost improves and optimal operational condition is not achieved in combustion chamber.
In addition, in existing cylinder oil feed system high and low base number cylinder oil switching, need through crewman's manual operating valve
Part carries out mechanical switch, thus operation is comparatively laborious, and switching time is long；It needs to disappear to the cylinder oil in original cylinder oil heating cabinet 4
After having consumed, diesel engine could use the cylinder oil of required base number, and the cylinder oil supplied within the switching period completely
Base number it is unstable.
Ship is largely all run under low load condition for a long time at present, and the temperature of burning chamber of diesel engine is lower, if do not had
There is the cylinder oil of suitable base number to neutralize the acidity in fuel oil in time, will lead to the cold corrosion of inboard wall of cylinder liner, substantially reduce cylinder sleeve
Service life, cylinder sleeve can be directly resulted in when serious and is scrapped.Some ships in operation, in order to alleviate cold corrosion, continue to increase cylinder
Oiling rate also results on combustion chamber and piston head that carbon distribution is serious other than increasing operating cost, influences the efficiency of burning.
Summary of the invention
It is an object of the present invention to overcome the shortcomings of above-mentioned existing marine low speed diesel engine cylinder oil feed system, provide
A kind of double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine, can be according to practical sulphur content of fuel oil and diesel engine gas
In-cylinder condition, automatic governing goes out the cylinder oil of optimal base number, and realizes and be switched fast, so that reaching reduces operating cost, improves
Combustion chamber condition, the effect for eliminating safe hidden trouble, guaranteeing vessel motion safety.
The technical solution adopted by the present invention is as follows:
A kind of double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine, are mounted in watercraft engine room, respectively with
High base number cylinder lubricating oil daily tank, low alkali value cylinder lubricating oil daily tank, ship alarm monitoring system, host ECS control cabinet and
Marine low speed diesel engine connection, which is characterized in that double automatic attemperation apparatus of base number cylinder oil include:
HMI control panel to manually set and adjust the system parameter of the expectation base number including cylinder oil, and is shown
Lubricating oil tank state parameter；
Control cabinet includes PLC controller and the first frequency converter being connected respectively with the PLC controller and the second frequency conversion
Device；The PLC controller is connected with the host ECS control cabinet, receives expectation of the host ECS control cabinet to the cylinder oil
The control signal of base number setting；The PLC controller is connected with the HMI control panel, receives HMI control panel transmission and comes
System parameter and transmit the lubricating oil tank state parameter to the HMI control panel, the PLC controller and the ship are alarmed
System is connected, output system alarm signal；
High base number cylinder lubricating oil tank accommodates high base number cylinder oil, connect with the high base number cylinder lubricating oil daily tank, is arranged
There is the first oil scavenge pump, which is connect by first frequency converter with the PLC controller；
Low alkali value cylinder lubricating oil tank accommodates low alkali value cylinder oil, connect with the low alkali value cylinder lubricating oil daily tank, is arranged
There is the second oil scavenge pump, which is connect by second frequency converter with the PLC controller；
Cylinder lubricating oil mixing cabinet is connected by the first solenoid valve with the first oil scavenge pump of the high base number cylinder lubricating oil tank,
The high base number cylinder oil from the high base number cylinder lubricating oil tank is received, which connect with the PLC controller；Pass through
Second solenoid valve is connected with the second oil scavenge pump of the low alkali value cylinder lubricating oil tank, receives from the low alkali value cylinder lubricating oil tank
Low alkali value cylinder oil, the second solenoid valve are connect with the PLC controller；The cylinder lubricating oil mixing cabinet and the marine low-speed
Diesel engine is connected, and has been internally provided with the mixing pump of stirring action, which connect with the PLC controller；
The PLC controller is by the revolving speed of the first oil scavenge pump described in first Frequency Converter Control, so as to adjust by institute
State the flow that high base number cylinder lubricating oil tank is input to the high base number cylinder oil of the cylinder lubricating oil mixing cabinet；The PLC controller
By the revolving speed of the second oil scavenge pump described in second Frequency Converter Control, inputted so as to adjust by the low alkali value cylinder lubricating oil tank
To the flow of the low alkali value cylinder oil of the cylinder lubricating oil mixing cabinet；The PLC controller controls the mixing pump, by input
Reach a certain proportion of high base number cylinder oil and low alkali value cylinder oil uniform stirring blend the cylinder oil for meeting desired base number and
It is output to the marine low speed diesel engine.
As a further improvement, the high base number cylinder lubricating oil tank and low alkali value cylinder lubricating oil tank is respectively arranged with liquid level
Switch and temperature sensor, the liquid-level switch and temperature sensor are connect with the PLC controller；The PLC controller passes through
The liquid-level switch and temperature sensor monitor the liquid level and temperature of the high base number cylinder oil and low alkali value cylinder oil respectively
State, and be transferred on the HMI control panel and shown.
As a further improvement, the high base number cylinder lubricating oil tank and low alkali value cylinder lubricating oil tank is respectively arranged with heating
Device and fan, the heater and fan are connect with the PLC controller；The PLC controller is according to the temperature sensor
Signal controls the heater and fan of described two lubricating oil tanks respectively, it is ensured that the high base number cylinder lubricating oil tank and low alkali value cylinder
The oil temperature of lubricating oil tank is maintained at 45 DEG C.
It is passed as a further improvement, the cylinder lubricating oil mixing cabinet is provided with liquid level sensor, liquid-level switch and temperature
Sensor, the liquid level sensor, liquid-level switch and temperature sensor are connect with the PLC controller；The PLC controller passes through institute
It states liquid level sensor, liquid-level switch and temperature sensor and monitors the liquid level and temperature of cylinder oil in the cylinder lubricating oil mixing cabinet
State, calculates the consumption of cylinder oil, and is transferred on the HMI control panel and is shown.
As a further improvement, the system parameter further includes the base number of high base number cylinder oil and the alkali of low alkali value cylinder oil
Value；The lubricating oil tank state parameter includes high base number cylinder lubricating oil tank, low alkali value cylinder lubricating oil tank and cylinder lubricating oil mixing cabinet
Temperature and liquid level.
As a further improvement, be connected in parallel to bypass solenoid valve on first solenoid valve, for manually control by
The high base number cylinder lubricating oil tank is input to the flow of the high base number cylinder oil of the cylinder lubricating oil mixing cabinet；Second electricity
It is connected in parallel to bypass solenoid valve on magnet valve, the cylinder cunning is input to by the low alkali value cylinder lubricating oil tank for manually controlling
The flow of the low alkali value cylinder oil of oil mixing cabinet.
As a further improvement, between the high base number cylinder lubricating oil tank and high base number cylinder lubricating oil daily tank and institute
It states and is connected separately with filter between low alkali value cylinder lubricating oil tank and low alkali value cylinder lubricating oil daily tank.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1. improving host combustion chamber conditions --- it may insure that host is optimizing always and run under the cylinder oil of base number, guarantor
The cleannes for demonstrate,proving piston and cylinder sleeve, avoid the generation of cold corrosion.
2. reducing vessel motion cost --- the cylinder oil cost for optimizing base number is lower than high base number cylinder oil, avoids simultaneously
The additional acid-base property for increasing oiling rate and coming balance combustion room, host are run under minimum specific cylinder oil consumption always.
3. automation control --- whole system passes through PLC logic calculation, the operation of automatic control system, to simplify
Operating process avoids manual operation, improves labor efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing marine low speed diesel engine cylinder oil feed system.
Fig. 2 is structural schematic diagram of the invention.
In figure, 1-high base number cylinder lubricating oil daily tank, 2-low alkali value cylinder lubricating oil daily tanks, 3-switching valves, 4-gas
Cylinder oil heating cabinet, 5-marine low speed diesel engines, 6-high base number cylinder lubricating oil tanks, 7-low alkali value cylinder lubricating oil tanks, 8-cylinders
Lubricating oil mixing cabinet, 9-PLC controllers, the 10-the second frequency converter, the 11-the first frequency converter, 12-second solenoid valves, 13-the first
Solenoid valve, 14-bypass solenoid valves, 15-bypass solenoid valves, 16-filters, the 17-the second oil scavenge pump, 18-filters, 19-the
One oil scavenge pump, 20-mixing pumps, 21-fans, 22-heaters, 32-control cabinets, 33-HMI control panels, 34-Ship Visit Reports
Police commissioner's examining system, 35-host ECS control cabinets, TT-temperature sensor, LS-liquid-level switch, LT-liquid level sensor.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several equivalent modification and improvement can also be made, these are belonged to
Protection scope of the present invention.
Referring to Fig. 2, double automatic attemperation apparatus of base number cylinder oil of diagram marine low speed diesel engine are mounted on watercraft engine room,
It is connect with the high base number cylinder lubricating oil daily tank 1 of ship, low alkali value cylinder lubricating oil daily tank 2 and marine low speed diesel engine 5, and with
Ship alarm monitoring system 34 is connected with host ECS control cabinet 35 by cable.
Double automatic attemperation apparatus of base number cylinder oil include HMI control panel 33, control cabinet 32, high base number cylinder cunning
Oil Tank 6, low alkali value cylinder lubricating oil tank 7 and cylinder lubricating oil mixing cabinet 8.
The control cabinet 32 and high base number cylinder lubricating oil tank 6, low alkali value cylinder lubricating oil tank 7 and cylinder lubricating oil mixing cabinet 8
It is connected, includes the second frequency converter 10, the first frequency converter 11 and PLC controller 9.
The PLC controller 9 is connected with the ship alarm system 34, output system alarm signal；The PLC
Controller 9 is connected with the host ECS control cabinet 35, receives what the host ECS control cabinet 35 set cylinder oil base number
Control signal；The HMI control panel 33 is connected with the PLC controller 9, and crewman can set on HMI control panel 33
Fixed and adjust relevant system parameter, which includes the expectation base number of cylinder oil, the base number of high base number cylinder oil and low
The base number of base number cylinder oil, the system parameter are transferred to the PLC controller 9 in the control cabinet 33 by communication cable.
The high base number cylinder lubricating oil tank 6 accommodates high base number cylinder oil, includes filter 18, the first oil scavenge pump 19, liquid
Bit switch LS, temperature sensor TT, heater 22 and fan 21；The high base number cylinder lubricating oil tank 6 passes through the filter 18
It is connected with the high base number cylinder lubricating oil daily tank 1.
The low alkali value cylinder lubricating oil tank 7 accommodates low alkali value cylinder oil, includes filter 16, the second oil scavenge pump 17, liquid
Bit switch LS, temperature sensor TT, heater 22 and fan 21；The low alkali value cylinder lubricating oil tank 7 passes through the filter
16 are connected with the low alkali value cylinder lubricating oil daily tank 2.
The cylinder lubricating oil mixing cabinet 8 by parallel the first solenoid valve 13 and bypass solenoid valve 15 with it is described high-alkali
It is worth cylinder lubricating oil tank 6 to be connected, passes through second solenoid valve 12 and bypass solenoid valve 14 in parallel and the low alkali value cylinder lubricating oil
Cabinet 7 is connected.The PLC controller 9 is separately connected and controls the opening and closing of first solenoid valve 13 and second solenoid valve 12, institute
The bypass solenoid valve 15 and 14 stated is to control opening and closing by manually.The cylinder lubricating oil mixing cabinet 8 with it is described peculiar to vessel
Low-speed diesel engine 5 is connected.The cylinder lubricating oil mixing cabinet 8 includes liquid level sensor LT, liquid-level switch LS, temperature sensor
TT and mixing pump 20.
High base number cylinder oil enters high base number cylinder by the filter 18 from the high base number cylinder lubricating oil daily tank 1 and slides
Oil Tank 6 pumps out the high base number cylinder oil of certain flow by first oil scavenge pump 19, passes through the first solenoid valve 13 or bypass electricity
Magnet valve 15 enters the cylinder lubricating oil mixing cabinet 8.First oil scavenge pump 19 according to the control signal of first frequency converter 11,
Adjust the flow for inputting the high base number cylinder oil of the cylinder lubricating oil mixing cabinet 8.First solenoid valve 13 receives the PLC control
The control signal of device 9 processed, by switching first solenoid valve 13, high base number cylinder lubricating oil tank 6 described in on-off arrives the cylinder
The pipeline of lubricating oil mixing cabinet 8.The bypass solenoid valve 15 is by manually controlling realization switch, high base number cylinder described in on-off of meeting an urgent need
Lubricating oil tank 6 arrives the pipeline of the cylinder lubricating oil mixing cabinet 8.The liquid-level switch LS is mounted on the high base number cylinder lubricating oil tank 6
In, the liquid level in lubricating oil tank is monitored, signal is transferred to the PLC controller 9.The temperature sensor TT is mounted on described high-alkali
It is worth in cylinder lubricating oil tank 6, monitors the oil temperature in lubricating oil tank, signal is transferred to the PLC controller 9.The heater 22 and institute
It states fan 21 to be mounted in the high base number cylinder lubricating oil tank 6, receives the control signal of the PLC controller 9；Pass through control institute
Heater 22 and fan 21 are stated, to maintain the oil temperature of high base number cylinder oil in high base number cylinder lubricating oil tank 6 at 45 DEG C.
Low alkali value cylinder oil enters low alkali value cylinder by the filter 16 from the low alkali value cylinder lubricating oil daily tank 2 and slides
Oil Tank 7 pumps out the low alkali value cylinder oil of certain flow by second oil scavenge pump 17, passes through second solenoid valve 12 or bypass electricity
Magnet valve 14 enters the cylinder lubricating oil mixing cabinet 8.Second oil scavenge pump 17 according to the control signal of second frequency converter 10,
Adjust the flow for entering the low alkali value cylinder oil of the cylinder lubricating oil mixing cabinet 8.The second solenoid valve 12 receives the PLC control
The control signal of device 9 processed, by switching the second solenoid valve 12, low alkali value cylinder lubricating oil tank 7 described in on-off arrives the cylinder
8 pipeline of lubricating oil mixing cabinet.The bypass solenoid valve 14 is by hand control switch, low alkali value cylinder lubricating oil tank described in on-off of meeting an urgent need
7 arrive the pipeline of the cylinder lubricating oil mixing cabinet 8.The liquid-level switch LS is mounted in the low alkali value cylinder lubricating oil tank 7, monitoring
Liquid level in lubricating oil tank, signal are transferred to the PLC controller 9.The temperature sensor TT is mounted on the low alkali value cylinder
In lubricating oil tank 7, the oil temperature in lubricating oil tank is monitored, signal is transferred to the PLC controller 9.The heater 22 and the fan
21 are mounted in the low alkali value cylinder lubricating oil tank 7, receive the control signal of the PLC controller 9, by controlling the heating
Device 22 and fan 21, to maintain the oil temperature of low alkali value cylinder oil in low alkali value cylinder lubricating oil tank 7 at 45 DEG C.
The high and low base number cylinder oil of certain flow separately flows into the cylinder lubricating oil mixing cabinet 8, by the mixing
Pump 20 is input to the marine low speed diesel engine 5 after mixing evenly.The mixing pump 20 receives the PLC controller 9
Control signal is to realize switch.The liquid-level switch LS is mounted in the cylinder lubricating oil mixing cabinet 8, monitors cylinder in lubricating oil tank
The liquid level of oil, signal are transferred to the PLC controller 9.The temperature sensor TT is mounted on the cylinder lubricating oil mixing cabinet 8
In, the oil temperature of cylinder oil in lubricating oil tank is monitored, signal is transferred to the PLC controller 9.The liquid level sensor LT is mounted on institute
It states in cylinder lubricating oil mixing cabinet 8, measures the actual liquid level of Oil Tank, signal is transferred to the PLC controller 9, cylinder is calculated
The consumption of oil.
The HMI control panel 33 is connected with the PLC controller 9 by communication cable, can be in the HMI control plane
Setting manually sets system parameter on plate 33, and the temperature of each Oil Tank received in the PLC controller 9, liquid level signal also can be
It is shown on the HMI control panel 33.The host ECS control cabinet 35 can automatically provide cylinder oil required for current hosts
The signal of base number gives the PLC controller 9.The ship alarm monitoring system 34 can be received from the PLC controller 9
The alarm signal of system.
According to the cylinder oil of the host ECS control cabinet 35 manually set on the HMI control panel 33 or described transmission
It is expected that the signal of base number, the PLC controller 9 executes logic calculation, passes through first frequency converter 11 and the second frequency converter 10
The revolving speed of first oil scavenge pump 19 and the second oil scavenge pump 17 is controlled respectively, to adjusted respectively by high base number cylinder lubricating oil tank 6
The flow that the high and low base number cylinder oil of the cylinder lubricating oil mixing cabinet 8 is flowed into low alkali value cylinder lubricating oil tank 7, is mixed into and meets
It is expected that the cylinder oil of base number.
The PLC controller 9 is controlled described high-alkali respectively by first solenoid valve 13 and second solenoid valve 12
It is worth the revolving speed of the second oil scavenge pump 17 in the revolving speed and the low alkali value cylinder lubricating oil tank 7 of the first oil scavenge pump 19 in cylinder lubricating oil tank 6,
The flow of the cylinder lubricating oil mixing cabinet 8 is input to so as to adjust high base number cylinder oil and low alkali value cylinder oil.The PLC control
Device 9 processed controls the mixing pump 20 in the cylinder lubricating oil mixing cabinet 8, and a certain proportion of high and low base number cylinder oil is in the mixing
Under the stirring action of pump 20, the cylinder oil for meeting desired base number requirement is blended in the cylinder lubricating oil mixing cabinet 8, and be sent into
Marine low speed diesel engine 5.
The PLC controller 9 passes through the position of the high base number cylinder lubricating oil tank 6 and low alkali value cylinder lubricating oil tank 7
Switch LS and temperature sensor TT monitors the temperature of two lubricating oil tanks and the state of liquid level, and can be transmitted through the cable to described
HMI control panel 33 on shown.
The PLC controller 9 is according to the temperature on the high base number cylinder lubricating oil tank 6 and low alkali value cylinder lubricating oil tank 7
The signal of sensor TT controls the heater 22 and fan 21 of two lubricating oil tanks respectively, it is ensured that the oil temperature of described two Oil Tanks guarantees
At 45 DEG C.
The PLC controller 9 passes through temperature sensor TT, the liquid-level switch LS on the cylinder lubricating oil mixing cabinet 8
With liquid level sensor LT, the temperature of the cylinder lubricating oil mixing cabinet 8 and the state of liquid level are monitored, the consumption of cylinder oil is calculated
Amount, and it can be transmitted through the cable to the HMI control panel 33, it shows on it.
Operational process of the invention is as follows:
The base number of high base number cylinder oil and the base number of low alkali value cylinder oil are inputted on the HMI control panel 33.
In operation, the PLC controller 9 receives on the HMI control panel 33 manually the marine low speed diesel engine 5
The signal of the expectation base number for the cylinder oil that setting the or described host ECS control cabinet 35 transmits, passes through second frequency converter 10
The flow for controlling second oil scavenge pump 17 and the first oil scavenge pump 19 respectively with the first frequency converter 11, opens the bypass solenoid valve
14 and bypass solenoid valve 15, high and low base number cylinder oil cylinder lubricating oil mixing cabinet 8 is respectively enterd by pipeline, opens the mixing
Pump 20, cylinder oil reaches desired base number after mixing evenly, into the marine low speed diesel engine 5.
When the PLC controller 9 monitors the temperature of the high base number cylinder lubricating oil tank 6 or low alkali value cylinder lubricating oil tank 7
When lower than 45 DEG C, the heater 22 is opened, closes the fan 21.When temperature is higher than 45 DEG C, the heater 22 is closed,
Open the fan 21.
When the PLC controller 9 monitors the liquid level of the high base number cylinder lubricating oil tank 6 or low alkali value cylinder lubricating oil tank 7
When low, second oil scavenge pump 17, the first oil scavenge pump 19 and mixing pump 20 are closed, and defeated to the ship alarm monitoring system 34
Alarm signal out.
When the PLC controller 9 monitors first oil scavenge pump 19, the second oil scavenge pump 17, the first solenoid valve 13 or the
When the equal controls of two solenoid valves 12 are failed, PLC controller 9 can stop all controls, and export to the oceangoing ship alarm monitoring system 34
Alarm signal.
When the automatic attemperation apparatus thrashing of the double base number cylinder oils, in order to guarantee that marine low speed diesel engine 5 is normal
Operation can open the bypass solenoid valve 15 or 14 manually, and the marine low speed diesel engine 5 is in low alkali value or high base number gas
It is run under cylinder oil.
Specific embodiments of the present invention are described above, but practical range not for the purpose of limiting the invention, it is all
Equivalence replacement, variation and the modification that spirit and principle according to the present invention is made, all should belong to protection scope of the present invention.
Claims (7)
1. a kind of double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine, are mounted in watercraft engine room, respectively with height
Base number cylinder lubricating oil daily tank, low alkali value cylinder lubricating oil daily tank, ship alarm monitoring system, host ECS control cabinet and institute
State marine low speed diesel engine connection, which is characterized in that double automatic attemperation apparatus of base number cylinder oil include:
HMI control panel to manually set and adjust the system parameter of the expectation base number including cylinder oil, and shows lubricating oil
Cabinet state parameter；
The first frequency converter and the second frequency converter that control cabinet includes PLC controller and is connected respectively with the PLC controller；Institute
It states PLC controller to be connected with the host ECS control cabinet, receives host ECS control cabinet to the expectation base number of the cylinder oil
The control signal of setting；The PLC controller is connected with the HMI control panel, and receive HMI control panel transmission is
Parameter of uniting simultaneously transmits the lubricating oil tank state parameter, the PLC controller and the ship alert detecting to the HMI control panel
System is connected, output system alarm signal；
High base number cylinder lubricating oil tank accommodates high base number cylinder oil, connect with the high base number cylinder lubricating oil daily tank, is provided with the
One oil scavenge pump, first oil scavenge pump are connect by first frequency converter with the PLC controller；
Low alkali value cylinder lubricating oil tank accommodates low alkali value cylinder oil, connect with the low alkali value cylinder lubricating oil daily tank, is provided with the
Two oil scavenge pumps, second oil scavenge pump are connect by second frequency converter with the PLC controller；
Cylinder lubricating oil mixing cabinet is connected by the first solenoid valve with the first oil scavenge pump of the high base number cylinder lubricating oil tank, is received
High base number cylinder oil from the high base number cylinder lubricating oil tank, first solenoid valve are connect with the PLC controller；Pass through second
Solenoid valve is connected with the second oil scavenge pump of the low alkali value cylinder lubricating oil tank, receives the low alkali from the low alkali value cylinder lubricating oil tank
It is worth cylinder oil, which connect with the PLC controller；The cylinder lubricating oil mixing cabinet and the marine low-speed diesel oil
Machine is connected, and has been internally provided with the mixing pump of stirring action, which connect with the PLC controller；
The PLC controller is by the revolving speed of the first oil scavenge pump described in first Frequency Converter Control, so as to adjust by the height
Base number cylinder lubricating oil tank is input to the flow of the high base number cylinder oil of the cylinder lubricating oil mixing cabinet；The PLC controller passes through
The revolving speed of second oil scavenge pump described in second Frequency Converter Control is input to institute so as to adjust by the low alkali value cylinder lubricating oil tank
State the flow of the low alkali value cylinder oil of cylinder lubricating oil mixing cabinet；The PLC controller controls the mixing pump, by reaching for input
A certain proportion of high base number cylinder oil and low alkali value cylinder oil uniform stirring blend the cylinder oil for meeting desired base number and output
To the marine low speed diesel engine.
2. double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine according to claim 1, which is characterized in that
The high base number cylinder lubricating oil tank and low alkali value cylinder lubricating oil tank is respectively arranged with liquid-level switch and temperature sensor, the liquid level
Switch and temperature sensor are connect with the PLC controller；The PLC controller passes through the liquid-level switch and temperature sensor
The liquid level of the high base number cylinder oil and low alkali value cylinder oil and the state of temperature are monitored respectively, and are transferred to the HMI control
It is shown on panel.
3. double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine according to claim 2, which is characterized in that
Having heaters and fan is respectively set in the high base number cylinder lubricating oil tank and low alkali value cylinder lubricating oil tank, the heater and fan
It is connect with the PLC controller；The PLC controller controls described two lubricating oil according to the signal of the temperature sensor respectively
The heater and fan of cabinet, it is ensured that the oil temperature of the high base number cylinder lubricating oil tank and low alkali value cylinder lubricating oil tank is maintained at 45 DEG C.
4. double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine according to claim 1, which is characterized in that
The cylinder lubricating oil mixing cabinet is provided with liquid level sensor, liquid-level switch and temperature sensor, and the liquid level sensor, liquid level are opened
It closes and temperature sensor is connect with the PLC controller；The PLC controller by the liquid level sensor, liquid-level switch and
Temperature sensor monitors the liquid level of cylinder oil and the state of temperature in the cylinder lubricating oil mixing cabinet, calculates the consumption of cylinder oil
Amount, and be transferred on the HMI control panel and shown.
5. double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine according to claim 1, which is characterized in that
The system parameter further includes the base number of high base number cylinder oil and the base number of low alkali value cylinder oil；The lubricating oil tank state parameter packet
Include the temperature and liquid level of high base number cylinder lubricating oil tank, low alkali value cylinder lubricating oil tank and cylinder lubricating oil mixing cabinet.
6. double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine according to claim 1, which is characterized in that
It is connected in parallel to bypass solenoid valve on first solenoid valve, is inputted for manually controlling by the high base number cylinder lubricating oil tank
To the flow of the high base number cylinder oil of the cylinder lubricating oil mixing cabinet；Bypass electromagnetism is connected in parallel in the second solenoid valve
Valve, for manually controlling the low alkali value cylinder oil for being input to the cylinder lubricating oil mixing cabinet by the low alkali value cylinder lubricating oil tank
Flow.
7. double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine according to claim 1, which is characterized in that
Between the high base number cylinder lubricating oil tank and high base number cylinder lubricating oil daily tank and the low alkali value cylinder lubricating oil tank with it is low
Filter is connected separately between base number cylinder lubricating oil daily tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710264127.8A CN106930799B (en) | 2017-04-21 | 2017-04-21 | A kind of double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710264127.8A CN106930799B (en) | 2017-04-21 | 2017-04-21 | A kind of double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine |
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| Publication Number | Publication Date |
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| CN106930799A CN106930799A (en) | 2017-07-07 |
| CN106930799B true CN106930799B (en) | 2019-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710264127.8A Active CN106930799B (en) | 2017-04-21 | 2017-04-21 | A kind of double automatic attemperation apparatus of base number cylinder oil of marine low speed diesel engine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DK180164B1 (en) * | 2019-05-01 | 2020-07-06 | Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland | Multi-lubricant cylinder lubrication system for a large two-stroke internal combustion engine |
| CN115142928B (en) * | 2022-07-06 | 2024-02-02 | 上海中船三井造船柴油机有限公司 | Switching device and method for electric control marine diesel engine crosshead lubricating oil pump |
Citations (5)
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|---|---|---|---|---|
| US1391040A (en) * | 1920-07-29 | 1921-09-20 | Dodge Brothers | Oil-pan heater |
| GB834533A (en) * | 1955-02-04 | 1960-05-11 | David William Edgar Kyle | Improvements in and relating to the lubrication of internal combustion engines |
| JPS6032917A (en) * | 1983-08-04 | 1985-02-20 | Mitsubishi Heavy Ind Ltd | Cylinder lubrication device |
| CN101161798A (en) * | 2007-09-25 | 2008-04-16 | 无锡惠源高级润滑油有限公司 | Marine cylinder oil and method for processing same |
| CN102676272A (en) * | 2011-03-10 | 2012-09-19 | 中国石油天然气股份有限公司 | Marine lubricating oil complexing agent |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0428284D0 (en) * | 2004-12-24 | 2005-01-26 | Infineum Int Ltd | Lubricating systems |
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2017
- 2017-04-21 CN CN201710264127.8A patent/CN106930799B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1391040A (en) * | 1920-07-29 | 1921-09-20 | Dodge Brothers | Oil-pan heater |
| GB834533A (en) * | 1955-02-04 | 1960-05-11 | David William Edgar Kyle | Improvements in and relating to the lubrication of internal combustion engines |
| JPS6032917A (en) * | 1983-08-04 | 1985-02-20 | Mitsubishi Heavy Ind Ltd | Cylinder lubrication device |
| CN101161798A (en) * | 2007-09-25 | 2008-04-16 | 无锡惠源高级润滑油有限公司 | Marine cylinder oil and method for processing same |
| CN102676272A (en) * | 2011-03-10 | 2012-09-19 | 中国石油天然气股份有限公司 | Marine lubricating oil complexing agent |
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| CN106930799A (en) | 2017-07-07 |
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