CN108798937B - Fuel feed system, ship and fuel feeding method - Google Patents
Fuel feed system, ship and fuel feeding method Download PDFInfo
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- CN108798937B CN108798937B CN201810584430.0A CN201810584430A CN108798937B CN 108798937 B CN108798937 B CN 108798937B CN 201810584430 A CN201810584430 A CN 201810584430A CN 108798937 B CN108798937 B CN 108798937B
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- fuel
- petrolift
- oil pressure
- linear actuators
- oil
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- 239000000446 fuel Substances 0.000 title claims abstract description 249
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 10
- 230000003447 ipsilateral effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 description 69
- 239000003949 liquefied natural gas Substances 0.000 description 15
- 238000003860 storage Methods 0.000 description 15
- 239000002828 fuel tank Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0209—Hydrocarbon fuels, e.g. methane or acetylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/0027—Tanks for fuel or the like ; Accessories therefor, e.g. tank filler caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3082—Control of electrical fuel pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0227—Means to treat or clean gaseous fuels or fuel systems, e.g. removal of tar, cracking, reforming or enriching
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Ocean & Marine Engineering (AREA)
- Fuel-Injection Apparatus (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention provides a kind of fuel feed system, ship and fuel feeding method.In the pressurizing device being discharged in sucking fuel and after being pressurizeed, even if the difference of the oil pressure yield needed for pressurizeing and being discharged between the sucking of fuel is larger, oil pressure yield also can be effectively generated.The pressurizing device includes: two petrolifts；Two linear actuators, for driving each petrolift；First oil pressure pump is shared by the linear actuators, and Xiang Suoshu linear actuators is for oil feed pressure, so that the fuel is discharged from the petrolift；Second oil pressure pump, it is shared by the linear actuators, to the linear actuators for oil feed pressure, so that the petrolift sucks the fuel, and it is configured to: when driving the first electric motor of first oil pressure pump to rotate in the forward direction and reversely rotate, the fuel is discharged in the petrolift different from each other, and when driving the second electric motor of second oil pressure pump to rotate in the forward direction and reversely rotate, the petrolift different from each other sucks the fuel.
Description
Technical field
The present invention relates to a kind of fuel feed system, fuel feeding method and including the ship of the fuel feed system,
Pressurized fuel is supplied to combustion engine by using fuel pressuring device, the fuel pressuring device sucks fuel and adds to it
It is discharged it after pressure.
Background technique
In recent years it has been proposed that a kind of diesel engine, after wherein liquefied natural gas (hereinafter also referred to LNG) is pressurized,
It is operated by the fuel of (state of the fluid of pressure and temperature postcritical) in a supercritical state.For example, in order to improve
The environment discharging performance of existing oil spout low speed diesel main engine, it has been proposed that the various LNG for using supercriticality are as fuel
High pressure fuel injecting type low speed two stroke diesel engine.
For example, reciprocating force (forcing) pump is used to be supplied to the punching of high pressure fuel injecting type low speed two as pressurizeing to be used as
The pressurizing device of the liquefied natural gas of the fuel of journey diesel engine.In the reciprocating force (forcing) pump, liquefied natural gas is pressurized
To such as 20 to 40MPa.Fuel feed system as the ship for using such reciprocating force (forcing) pump, it is known that have it is following
System, the system include: the main feeding pipe of LNG, the LNG being stored in storage bin by being pumped contracting, and are supplied as fuel
It is given to the sustainer of ship；And LNG pair feeding pipe, the LNG being stored in storage bin by being pumped contracting, and as
Fuel is supplied to the assistant engine of ship, be supplied to sustainer fuel be compressed to 150~400bar (absolute pressure) (15~
40MPa) (patent document 1).
Existing technical literature
Patent document
[patent document 1] spy table 2015-532237 bulletin
Summary of the invention
Technical problems to be solved by the inivention
In such a system, when by reciprocating petrolift to LNG under pressure, due to needing biggish energy
Pressurization LNG is simultaneously discharged it, therefore for the oil pressure of the driving source as reciprocating petrolift, it is also desirable to a large amount of generations with it is described
The oil pressure that biggish energy is corresponding and pressurizes.On the other hand, due to required in the cylinder for LNG to be sucked to reciprocating force (forcing) pump
Energy can be on a small quantity, so the oil pressure yield of driving source can be on a small quantity.Therefore, it generates as reciprocating petrolift
The oil pressure yield of the oil pressure pump of the oil pressure of driving source difference between the pressurization and discharge of fuel and the sucking of fuel is larger, it is necessary to
Large-scale oil pressure pump is used so that required biggish oil pressure yield can be dealt with.
In addition, due to the supply amount of the fuel of supply sustainer also changed according to the load of sustainer it is very big, because
This often the more reciprocating petrolifts of parallel configuration to supply fuel.In this case, in more reciprocating petrolifts
Each will be installed the large-scale oil pressure pump for generating the oil pressure as driving source.Therefore, the system in manufacturing cost and
There are many wastes in terms of the scale of equipment.
Therefore, the object of the present invention is to provide a kind of fuel feed system, fuel feeding method and ship, work as utilization
The pressurizing device for the fuel being discharged after sucking fuel and pressurization, when supplying the fuel of pressurization to combustion engine, even if pressurization dress
The difference of oil pressure yield needed between the pressurization and discharge of the fuel set and the sucking of fuel is larger, also can effectively generate
Oil pressure yield.
Technical solution in order to solve the technical problem
One aspect of the present invention is related to supplying the fuel feed system of pressurized fuel to combustion engine.Fuel supply
Fuel of the system to combustion engine supply pressurization characterized by comprising
The pressurizing device of fuel sucks fuel and is discharged after being pressurizeed；And
Fuel feed pipe, the fuel to pressurize to combustion engine supply,
The pressurizing device includes:
Fuel pump group, petrolift A and petrolift B including two for the fuel that pressurizes, and drive the fuel
The A and petrolift B is pumped, so that the petrolift B carries out the combustion when the petrolift A carries out the sucking of the fuel
The discharge of material, when the petrolift A carries out the discharge of the fuel, the petrolift B carries out the sucking of the fuel；
Linear actuators group is driven by the supply of oil pressure, and includes at least linear actuators A and linear actuators
B, the linear actuators A are connected to the petrolift A, and the linear actuators B is connected to the petrolift B, and drives
The petrolift A and petrolift B, so that the fuel is alternately discharged from each petrolift A and the petrolift B；
First oil pressure pump is shared by the linear actuators A and the linear actuators B, to each linear actuators A
With the linear actuators B for oil feed pressure, so that the fuel is discharged from each petrolift；
First electric motor, for driving first oil pressure pump, and its direction of rotation is free；
Second oil pressure pump is shared by the linear actuators A and the linear actuators B, to each linear actuators A
With the linear actuators B for oil feed pressure, so that each petrolift sucks the fuel；
Second electric motor, for driving second oil pressure pump, and its direction of rotation is free；
Oil pressure pipe connects first oil pressure pump and each linear actuators A and linear actuators B, and connects
Second oil pressure pump and each linear actuators A and linear actuators B,
The oil pressure pipe is constituted in the following manner: when first electric motor rotates in the forward direction, first oil pressure
It pumps to the linear actuators A for oil feed pressure, so that the fuel is discharged in the petrolift A, it is anti-in first electric motor
To when rotation, first oil pressure pump to the linear actuators B for oil feed pressure so that the fuel is discharged in the petrolift B,
And the oil pressure pipe is constituted in the following manner: when second electric motor rotates in the forward direction, described second
Oil pressure pump to the linear actuators A for oil feed pressure so that the petrolift A sucks the fuel, in the described second electronic horse
Up to when reversely rotating, second oil pressure pump to the linear actuators B for oil feed pressure so that described in petrolift B sucking
Fuel.
Preferably, each linear actuators A and linear actuators B includes cylinder and the work that is arranged in the cylinder
Plug, the inner space of the cylinder includes that not ipsilateral the first space and second space are separated into relative to the piston,
First oil pressure pump is connect by the oil pressure pipe with first space, and second oil pressure pump passes through described
Oil pressure pipe is connect with the second space.
Preferably, the size of second oil pressure pump is less than the size of first oil pressure pump.
Preferably, second oil pressure pump is made of an oil pressure pump, and first oil pressure pump is made of two oil pressure pumps.
Preferably, the fuel pump group further comprises guarantee fuel pump, and the guarantee fuel pump is configured to described in sucking
Fuel is simultaneously discharged after being pressurizeed, but the guarantee fuel pump does not drive when two petrolifts drive,
The linear actuators group further comprises spare linear actuators, and the spare linear actuators is configured to drive
The guarantee fuel pump, so that guarantee fuel pump sucks the fuel and is discharged after being pressurizeed, but in two lines
The property actuator A and linear actuators B when being acted the spare linear actuators be failure to actuate,
The oil pressure pipe is provided with branch's oil pressure pipe, branch's oil pressure pipe from the oil pressure pipe branch, and with it is described
Spare linear actuators connection,
First control valve is arranged on the oil pressure pipe or branch's oil pressure pipe, so that in the petrolift A and described
When any one petrolift in petrolift B does not drive, the petrolift A and another petrolift and institute in the petrolift B
Guarantee fuel pump is stated by first oil pressure pump and first electrical motor driven, and the second control valve is arranged described
On oil pressure pipe or branch's oil pressure pipe, so that another petrolift in the petrolift A and the petrolift B and described
Guarantee fuel pump passes through second oil pressure pump and second electrical motor driven.
Another aspect of the present invention is related to ship, including the fuel feed system, and the combustion engine is ship
The propelling motor of upper carrying.
Another aspect of the invention is related to fuel feeding method, and pressurized fuel is simultaneously supplied to combustion engine, wherein sucking
The pressurizing device of fuel and the fuel being discharged after being pressurizeed include the two petrolift A and petrolift B for being used for pressurized fuel, with
The petrolift A is corresponding and is arranged and drives the linear actuators A of the petrolift A and corresponding with the petrolift B and set
The linear actuators B of the petrolift B is set and drives,
The method includes the following steps:
When a petrolift in the petrolift A and the petrolift B carries out the sucking of the fuel, another combustion
Material pump carries out the discharge of the fuel；And
When a petrolift in the petrolift A and the petrolift B carries out the discharge of the fuel, another combustion
Material pump carries out the sucking of the fuel,
Wherein, the linear actuators A and linear actuators B receives from the rotation by the first electric motor
The supply of the oil pressure of the first oil pressure pump rotated, so that the fuel replaces from each petrolift A and petrolift B
Ground discharge,
When first electric motor rotates in the forward direction, first oil pressure pump to the linear actuators A for oil feed pressure,
So that the fuel is discharged in the petrolift A, when first electric motor reversely rotates, first oil pressure pump is to described
Linear actuators B is for oil feed pressure, so that the fuel is discharged in the petrolift B,
The linear actuators A and linear actuators B receiving is carried out from the rotation by the second electric motor
The supply of the oil pressure of second oil pressure pump of rotation, so that each petrolift A and the petrolift B alternately suck the combustion
Material,
When second electric motor rotates in the forward direction, second oil pressure pump to the linear actuators A for oil feed pressure,
So that the petrolift A sucks the fuel, when second electric motor reversely rotates, second oil pressure pump is to described
Linear actuators B is for oil feed pressure, so that the petrolift B sucks the fuel.
At this time, it is preferable that each linear actuators A and linear actuators B includes cylinder and is arranged in the cylinder
Piston, the inner space of the cylinder includes that not ipsilateral the first space and second space are separated into relative to the piston,
First oil pressure pump is supplied to first space of each linear actuators A and linear actuators B
Oil pressure,
Second oil pressure pump is supplied to the second space of each linear actuators A and linear actuators B
Oil pressure.
Beneficial effect
According to the fuel feed system, fuel feeding method and ship, it is able to suppress the scale of manufacturing cost and equipment,
And even if the difference of the oil pressure yield between the pressurization and discharge of the fuel of pressurizing device and the sucking of fuel is larger, also can
Effectively generate required oil pressure yield.
Detailed description of the invention
Fig. 1 is the figure for showing an example of the structure of fuel feed system of an embodiment.
Fig. 2 is the figure for showing an example of the structure of pressurizing device of fuel feed system shown in FIG. 1.
Fig. 3 is the figure for showing an example of oil pressure flowing of the pressurizing device of fuel feed system shown in FIG. 1.
Fig. 4 is the figure for showing an example of the structure of the pressurizing device of fuel feed system of another embodiment.
Specific embodiment
The following detailed description of an embodiment of fuel feed system of the invention, fuel feeding method and ship.
(fuel supply system)
Fig. 1 is the figure for showing an example of the structure of fuel feed system 10 of an embodiment.
Fuel feed system 10 is to spray to make liquid fuel (LNG etc. is low into the combustion chamber of combustion engine 28 with high pressure
The fluid of warm liquefied gas) device that reaches the fuel of supercriticality and be supplied to.The combustion engine of present embodiment
28 are mounted in the diesel engine of ship, such as high pressure fuel injecting type low speed two-stroke diesel engine can be used.
As shown in Figure 1, fuel feed system 10 mainly include working oil storage bin 12, controller 16, liquid fuel tank 18,
Pressurizing device 20, heating device 22 and pressure-regulating valve 24.In addition to this, fuel feed system 10 includes working tubing 15, low
Press liquid fuel feed pipe 19, high pressure liquid fuel supply pipe 21 and fuel feed pipe 26.
All these components of fuel feed system 10 are mounted on ship.
The working oil for driving pressurizing device 20 is stored in working oil storage bin 12.
The low temperature before reaching supercriticality to the fuel that combustion engine 28 supplies is stored in liquid fuel tank 18
Liquid fuel.Liquefied natural gas (LNG), liquefied petroleum gas (LPG) etc. can be used as liquid fuel.Liquid fuel tank 18 with it is low
Press liquid fuel feed pipe 19 connects, and liquid fuel is supplied to pressurizing device by low pressure liquid fuel feed pipe 19
20。
The entrance side of pressurizing device 20 is connect with low pressure liquid fuel feed pipe 19, and outlet side and high pressure liquid fuel supply
Pipe 21 connects.After pressurizing device 20 will be drawn into pressurizing device 20 by low pressure liquid fuel feed pipe 19 from liquid fuel tank 18
The liquid fuel in space boosts to scheduled pressure in the fuel pumping cylinder stated, and is discharged to by high pressure liquid fuel supply pipe 21
Heating device 22.In pressurizing device 20, using the pump with piston or plunger as be described hereinafter, piston or plunger are back and forth transported
It is dynamic.
Controller 16 controls the driving of pressurizing device 20 according to the load factor of combustion engine 28.Specifically, pressurization
Device 20 controls the liquid fuel per unit time in aftermentioned petrolift 30,31 according to the load factor of combustion engine 28
Discharge rate.More specifically, in order to adjust the movement of aftermentioned linear actuators 32,33, control generates driving source for making
Oil pressure oil pressure pump (the first oil pressure pump 34, the second oil pressure pump 40) electric motor (the first electric motor 36, that are acted
Two electric motors 42) rotation.
Pressurizing device 20 passes through the oil pressure pump that is rotated by electric motor (the first electric motor 36, the second electric motor 42)
(the first oil pressure pump 34, the second oil pressure pump 40) generates oil pressure, and the oil pressure is used to make the linear actuators 32,33 as driving source
(linear actuators A, B) is acted, and drives petrolift 30,31 (petrolift A, B) by the linear actuators 32,33.
As working oil, oil or water-soluble working oil can be used.Water-soluble working oil is with water work as main component
Oil, for example including O/W lotion, W/O lotion, polyalcohols solution etc..
The entrance side of heating device 22 is connect with high pressure liquid fuel supply pipe 21, and its outlet side and fuel feed pipe
26 connections.Heating device 22 is by the liquid fuel heat after the boosting supplied by high pressure liquid fuel supply pipe 21 to overcritical
State.As the heat source for heated liquid fuel, such as it may be used at the combustion of the boil-off gas generated in liquid fuel tank 18
It heats.For example, liquid fuel can be heated and carrying out heat exchange with the warm water of the combustion heat heating by boil-off gas.
Pressure-regulating valve 24 is provided in fuel feed pipe 26, one end of fuel feed pipe 26 and heating device 22 connect
It connects, the other end of fuel feed pipe 26 is connect with the combustion chamber of combustion engine 28.Reach supercriticality from liquid condition
After fuel is adjusted to the pressure (for example, 150~400bar (absolute pressure)) of preset range by pressure-regulating valve 24, pass through combustion
Material supply pipe 26 is fed into the combustion chamber of combustion engine 28.
Although being not shown in Fig. 1, the combustion for adjusting oil pressure, liquid fuel, supercriticality is suitably used
The supply amount of material or the oil pressure valve (relief valve, check-valves, flow control valve etc.) of pressure.
(pressurizing device)
Fig. 2 is the figure for showing an example of the structure of pressurizing device 20 of an embodiment.
Pressurizing device 20 includes the 34, first electricity of two petrolifts, 30,31, two the 32,33, first oil pressure pumps of linear actuators
Dynamic motor 36, oil pressure pipe 38, the second oil pressure pump 40 and the second electric motor 42.In Fig. 2, petrolift 30,31 is described as HP
(" high pressure ") pump, because liquid fuel is forced into high pressure by it.
Petrolift 30,31 is the reciprocating piston pump or plunger pump of identical size, and liquid fuel is inhaled by inlet valve
The liquid fuel that space in cylinder is simultaneously pressurized, and pressurizes passes through dump valve discharge.Petrolift 30,31 is configured to when combustion
When a petrolift in material pump 30,31 sucks fuel, another petrolift carries out the discharge of liquid fuel, when in petrolift
When one petrolift carries out the discharge of liquid fuel, another petrolift carries out the sucking of liquid fuel.
Linear actuators 32,33 is of the same size, and is configured to be connected to the piston or column of petrolift 30,31
Bar 32a, 33a of plug move back and forth.
Linear actuators 32,33 includes bar 32a, 33a, oil hydraulic cylinder 32b, 33b and hydraulic piston 32c, 33c.In oil hydraulic cylinder
The wall surface of 32b, 33b are provided with opening 32d, 32e, 33d and 33e of inflow and the discharge for oil pressure.These opening 32d,
The oil pressure pipe 38 connecting with aftermentioned first oil pressure pump 34, the second oil pressure pump 40 is connected on 32e, 33d and 33e.
Bar 32a, 33a are connected to hydraulic piston 32c, 33c, as hydraulic piston 32c, 33c are moved left and right into figure, bar
32a, 33a are also moved left and right, to keep the piston of petrolift 30,31 or plunger mobile.
Oil pressure flows into the space in oil hydraulic cylinder 32b, 33b from opening 32d, 32e, 33d and 33e, in addition, the oil in the space
Pressure is discharged from opening 32d, 32e, 33d and 33e.Wherein, in the space in oil hydraulic cylinder 32b, 33b, relative to hydraulic piston
The space that 32c, 33c are located at the side bar 32a, 33a is known as bar side space, is located at and bar 32a, 33a relative to hydraulic piston 32c, 33c
The space of opposite side be known as anti-bar side space.
As described above, each of linear actuators 32 and linear actuators 33 include cylinder and the work being arranged in cylinder
Plug, the inner space of cylinder include that not ipsilateral anti-bar side space (the first space) and bar side space (the is divided into relative to piston
Two spaces).First oil pressure pump 34 is connect by oil pressure pipe 38 with the anti-bar side space of linear actuators 32 and linear actuators 33,
Second oil pressure pump 40 is connect by oil pressure pipe 38 with the bar side space (second space) of linear actuators 32 and linear actuators 33.
Hydraulic piston 32c, 33c flow into anti-bar side space from opening 32d, 33d by oil pressure, from opening 32e, 33e discharge
The oil pressure in bar side space pushes piston or the plunger of petrolift 30,31 with the simultaneously draining liquid fuel that pressurizes.On the other hand, oil pressure
By being discharged the oil pressure in anti-bar side space from opening 32d, 33d, it is empty that oil pressure from opening 32e, 33e flows into bar side by piston 32c, 33c
Between, thus the piston of petrolift 30,31 is drawn to linear actuators 32,33 sides, thus liquid fuel be inhaled into petrolift 30,
Space in 31 cylinder.
By the first electric motor 36 for controlling the rotation of the first oil pressure pump 34 and for controlling the rotation of the second oil pressure pump 40
The second electric motor 42 turned realizes the movement of this oil pressure.
Oil pressure pipe 38 is connected between opening 32d and opening 33d by the first oil pressure pump 34, also, passes through the second oil pressure
Pump 40 is connected between opening 32e and opening 33e.In addition, the portion of the oil pressure pipe 38 of connection opening 32d and the first oil pressure pump 34
Divide, connect the part of the oil pressure pipe 38 of opening 33d and the first oil pressure pump 34, the oil pressure of connection opening 32e and the second oil pressure pump 40
The part of the oil pressure pipe 38 of the part of pipe 38 and connection opening 33e and the second oil pressure pump 40 passes through check-valves 32f, 32g, 33f
And 33g and working tubing 15 extend to working oil storage bin 12.Check-valves 32f, 32g, 33f and 33g limit flow direction, make work
Make oil and sucks into oil pressure pipe 38 by the first oil pressure pump 34 or the second oil pressure pump 40 from working oil storage bin 12.In addition,
The part of the oil pressure pipe 38 of connection opening 32d and the first oil pressure pump 34, the oil pressure pipe 38 for connecting opening 33d and the first oil pressure pump 34
Part, connection opening 32e and the second oil pressure pump 40 oil pressure pipe 38 part and connection opening 33e and the second oil pressure pump 40
The part of oil pressure pipe 38 working oil storage bin 12 is extended to by relief valve 32h, 32i, 33h and 33i and working tubing 15.
The fuel in each petrolift 30,31 is discharged to linear actuators 32,33 for oil feed pressure for first oil pressure pump 34.The
One oil pressure pump 34 is the shared oil pressure pump of linear actuators 32,33.That is, the first oil pressure pump 34 is for pressurizeing and being discharged fuel
Dedicated pump.
First electric motor 36 is the rotatable electric motor for driving the first oil pressure pump 34.For example, first
Electric motor 36 uses servo motor.
Combustion of second oil pressure pump 40 to each linear actuators 32,33 for oil feed pressure to suck in each petrolift 30,31
Material.Second oil pressure pump 40 is the shared oil pressure pump of linear actuators 32,33.That is, the second oil pressure pump 40 is for sucking fuel
Dedicated pump.
Second electric motor 42 is the rotatable electric motor for driving the second oil pressure pump 40.As the first electricity
Dynamic motor 36 and the second electric motor 42, such as use servo motor.
In addition, the second oil pressure pump 40 is made of an oil pressure pump, and the first oil pressure pump 34 is by two oil pressure pumps in Fig. 2
34a, 34b are constituted, and electric motor 36a is arranged on oil pressure pump 34a, and electric motor 36b is arranged on oil pressure pump 34b.This be because
To be larger for energy needed for pressurizeing and being discharged the liquid fuel in petrolift 30,31, and pass through a large-sized oil
Press pump is difficult in terms of the regulation in equipment to provide the thing of oil pressure, and in terms of the cost and equipment size from the point of view of
It is advantageous by being arranged in parallel small-sized oil pressure pump to provide oil pressure.But according to circumstances, the first oil pressure pump 34 and first is electronic
Motor 36 can be made of an oil pressure pump and an electric motor.
Rotating in the forward direction and reversely rotating for first electric motor 36 and the second electric motor 42 is controlled by controller 16.Specifically
For, in order to change pressurization and the tap-off cycle of fuel, control by petrolift 30,31 according to the load factor of combustion engine 28
Device 16 is controlled to change the period for rotating in the forward direction and reversely rotating of the first electric motor 36 and the second electric motor 42.And
And the term " rotating in the forward direction " and " reverse rotation " described in the present specification means to rotate in opposite directions each other, not
Mean the rotation to specified direction of rotation.
Since oil pressure pipe 38 configures as described above, in the first oil pressure pump 34, when the first electric motor 36 rotates in the forward direction,
It is linearly caused in the way of a petrolift draining liquid fuel in petrolift 30,31 to one of linear actuators 32,33
The anti-bar side space of dynamic device is for oil feed pressure, when the first electric motor 36 reversely rotates, according to another in petrolift 30,31
Another linear actuators from the mode of petrolift draining liquid fuel to linear actuators 32,33 anti-bar side space for oil supply
Pressure.In second oil pressure pump 40, when the second electric motor 42 rotates in the forward direction, inhaled according to a petrolift in petrolift 30,31
Enter a linear actuators from the mode in space in liquid fuel to cylinder to linear actuators 32,33 bar side space for oil supply
Pressure sucks liquid fuel to cylinder according to another petrolift in petrolift 30,31 when the second electric motor 42 is reversely rotated
Another linear actuators from the mode in interior space to linear actuators 32,33 bar side space for oil feed pressure.
As described above, the first oil pressure pump 34 generates pressurization and the row for being fed through the liquid fuel of petrolift 30,31
The oil pressure of required big energy out, the second oil pressure pump 40 generate the sucking for being fed through the liquid fuel of petrolift 30,31
The oil pressure of required small energy.Therefore, it is not necessary to large-scale oil pressure pump is used on each petrolift 30,31 as prior art, with
Just the big energy to the supply of each petrolift 30,31 for pressurization and the discharge of liquid fuel, and the first oil pressure pump 34 is shared is
The oil pressure source of oil pressure needed for pressurization and discharge for the liquid fuel by petrolift 30,31.Also, pass through petrolift 30
Liquid fuel pressurization and discharge and by the pressurization and discharge of the liquid fuel of petrolift 31 alternately, therefore can be with
Share the first oil pressure pump 34.On the other hand, in the second oil pressure pump 40, due to the suction of the liquid fuel by petrolift 30,31
It is smaller to enter required energy, therefore the second oil pressure pump 40 and the second electric motor 42 can be made to minimize.As described above, fuel supplies
The pressurization and discharge that large-scale the first oil pressure pump 34 and the first electric motor 36 are used for liquid fuel can be shared to system 10, it can
The sucking of liquid fuel, therefore even if pressurizing device 20 are used for using small-sized the second oil pressure pump 40 and the second electric motor 42
The difference of oil pressure yield between the pressurization and discharge of fuel and fuel sucking is larger, by the rule for inhibiting manufacturing cost and equipment
Mould can effectively generate necessary oil pressure yield.
Arrow shown in Fig. 2 indicates the flowing of oil pressure.In the example shown in Fig. 2, indicate petrolift 31 to being drawn into cylinder
The liquid fuel in interior space is pressurizeed and is discharged, and liquid fuel is drawn into cylinder empty by petrolift 30 from 18 side of liquid fuel tank
Between state.At this point, the oil pressure in the anti-bar side space of linear actuators 32 is discharged, and the oil pressure passes through the first oil pressure pump
34 driving and flow into the anti-bar side space of linear actuators 33.The insufficient section of oil pressure passes through working tubing 15 and check-valves
32f is flowed to the part of the oil pressure pipe 38 between opening 32d and the first oil pressure pump 34, and flows into the anti-bar side of linear actuators 33
In space.As needed, superfluous oil pressure is by returning to working oil storage bin from relief valve 32h and by working tubing 15
12.In addition, the oil pressure in the bar side space of linear actuators 33 is discharged, and the oil pressure passes through the driving of the second oil pressure pump 40
And it flows into the bar side space of linear actuators 32.The insufficient section of oil pressure is flowed to by working tubing 15 and check-valves 33g
Oil pressure pipe 38, and flow into the bar side space of linear actuators 32.Superfluous oil pressure is by from relief valve 33i and passing through working oil
Pipe 15 returns to working oil storage bin 12.
Fig. 3 is the figure of an example for indicating that the flowing of the oil pressure of pressurizing device of fuel feed system 10 is different from Fig. 2.?
In example shown in Fig. 3, indicate that petrolift 30 is pressurizeed and is discharged to the liquid fuel for being drawn into space in cylinder, petrolift 31
From the state of 18 side of liquid fuel tank sucking liquid fuel.At this point, the oil pressure in the anti-bar side space of linear actuators 33 is arranged
Out, and the oil pressure is flowed into the anti-bar side space of linear actuators 32 by the driving of the first oil pressure pump 34.Oil pressure is not
Foot point is flowed to oil pressure pipe 38 by working tubing 15 and check-valves 33f and flows into the anti-bar side space of linear actuators 32.
The insufficient section of oil pressure is flowed to oil pressure pipe 38 by working tubing 15 and check-valves 33f, and flows into the anti-of linear actuators 32
In bar side space.As needed, superfluous oil pressure from relief valve 33h and by working tubing 15 back to working oil by storing
Case 12.In addition, the oil pressure in the bar side space of linear actuators 32 is discharged, and the oil pressure passes through the drive of the second oil pressure pump 40
It moves and flows into the bar side space of linear actuators 33.The insufficient section of oil pressure is converged by working tubing 15 and check-valves 32g
To oil pressure pipe 38, and flow into the bar side space of linear actuators 33.Superfluous oil pressure is by from relief valve 32i and passing through work
Oil pipe 15 returns to working oil storage bin 12.
In the fuel feeding method carried out by such fuel feed system 10 the following steps are included:
When a petrolift in petrolift 30,31 (petrolift A, B) carries out the sucking of liquid fuel, another fuel
Pump carries out the discharge of liquid fuel；And
When a petrolift of petrolift 30,31 carries out the discharge of liquid fuel, another petrolift carries out liquid combustion
The sucking of material.
At this point,
(1) linear actuators 32,33 (linear actuators A, B) is according to from the alternately draining liquid fuel of petrolift 30,31
The first oil pressure pump 34 for being rotated from the rotation by the first electric motor 36 of mode for oil feed pressure,
An example of (2) first oil pressure pumps 34 when the first electric motor 36 rotates in the forward direction, into linear actuators 32,33
If linear actuators 32 is for oil feed pressure, so that such as 30 draining liquid fuel of petrolift in petrolift 30,31, first
Electric motor 36 reversely rotate when, another such as linear actuators 33 into linear actuators 32,33 for oil feed pressure so that
Another such as 31 draining liquid fuel of petrolift in petrolift 30,31,
(3) linear actuators 32,33 by each petrolift 30,31 alternately from liquid fuel tank 18 suck fuel in the way of
The second oil pressure pump 40 rotated from the rotation by the second electric motor 42 for oil feed pressure,
An example of (4) second oil pressure pumps 40 when the second electric motor 42 rotates in the forward direction, into linear actuators 32,33
If linear actuators 32 is for oil feed pressure, so that such as petrolift 30 of one in petrolift 30,31 sucks liquid fuel, second
Electric motor 42 reversely rotate when, another such as linear actuators 33 into linear actuators 32,33 for oil feed pressure so that
Another such as sucking of petrolift 31 liquid fuel in petrolift 30,31,
First oil pressure pump 34 is supplied to the anti-bar side space of each linear actuators of linear actuators 32 and linear actuators 33
Oil feed pressure, the second oil pressure pump 40 is to the bar side space of linear actuators 32 and each linear actuators of linear actuators 33 for oil supply
Pressure.
Fig. 4 is the example diagram for indicating 20 structure of pressurizing device of another embodiment.Pressurizing device 20 shown in Fig. 4 includes
With the mutually isostructural petrolift 30 of pressurizing device 20 shown in Fig. 2,31, the 32,33, first oil pressure pump of linear actuators 34, first
In addition to this electric motor 36, the second oil pressure pump 40, the second electric motor 42 and oil pressure pipe 38 further include guarantee fuel pump
50, spare linear actuators 52 and branch's oil pressure pipe 54,56,58 and 60.
Guarantee fuel pump 50 is stand-by provision, is configured to be discharged after liquid fuel is sucked and pressurizeed, still
It is not just driven when two petrolifts 30,31 are driven.
Spare linear actuators 52 is stand-by provision, is configured to drive guarantee fuel pump 50, so that guarantee fuel pump 50 is inhaled
Enter liquid fuel and be discharged after pressurizeing, but is failure to actuate when two linear actuators 32,33 act.
Spare linear actuators 52 has and linear actuators 32,33 identical structures, including bar 52a, cylinder 52b, oil pressure
Piston 52c, be open 52d, 52e, check-valves 52f, 52g and relief valve 52h, 52i.
Branch's oil pressure pipe 54,56,58 and 60 is from 38 branch of oil pressure pipe and is connected to spare linear actuators 52.
Branch's oil pressure pipe 54 prolongs from the element branches of the oil pressure pipe 38 between the first oil pressure pump 34 and linear actuators 33
Extend to the opening 52d in the anti-bar side space in the cylinder of spare linear actuators 52.
Branch's oil pressure pipe 56 prolongs from the element branches of the oil pressure pipe 38 between the first oil pressure pump 34 and linear actuators 32
Extend to the opening 52d in the anti-bar side space in the cylinder of spare linear actuators 52.
Branch's oil pressure pipe 58 prolongs from the element branches of the oil pressure pipe 38 between the second oil pressure pump 40 and linear actuators 33
Extend to the opening 52e in the bar side space in the cylinder of spare linear actuators 52.
Branch's oil pressure pipe 60 prolongs from the element branches of the oil pressure pipe 38 between the second oil pressure pump 40 and linear actuators 32
Extend to the opening 52e in the bar side space in the cylinder of spare linear actuators 52.
In addition, branch's oil pressure pipe 54,56,58 and 60 is stored by check-valves 52f, 52g and working tubing 15 and working oil
Case 12 connects.In addition, branch's oil pressure pipe 54,56,58 and 60 is stored by relief valve 52h, 52i and working tubing 15 and working oil
Case 12 connects.
Branch's oil pressure pipe 54,56,58 and 60 is provided with control valve 54a, 56a, 58a and 60a.Also, in the first oil pressure
The branch location of the branch's oil pressure pipe 54 compared in the part of the oil pressure pipe 38 between linear actuators 33 of pump 34 is located at by linear
The part of 33 side of actuator is provided with control valve 38a.Similarly, the oil pressure between the first oil pressure pump 40 and linear actuators 33
It is located in the part of pipe 38 compared to the branch location of branch's oil pressure pipe 58 and the part of 33 side of linear actuators is provided with control valve
38b.Control valve 38a, 38b, 54a, 56a, 58a and 60a open or close oil pressure pipe 38 or branch by the control of controller 16
Oil pressure pipe 54,56,58 and 60.
In such pressurizing device 20, when two petrolifts 30,31 drive, it is in control valve 38a, 38b and beats
Open state, and it is in close state control valve 54a, 56a, 58a and 60a.
On the other hand, petrolift 30 due to failure without drive when, keep control valve 56a, 60a open and control valve
The state that 38a, 38b, 54a and 58a are closed, to drive petrolift 31 and guarantee fuel to pump 50.Pass through the first oil pressure of driving as a result,
Pump 34 and the second oil pressure pump 40, can drive linear actuators 33 and spare linear actuators 52.In this case, it is not shown
Control valve close so that oil pressure does not flow in linear actuators 32.
On the other hand, when petrolift 31 due to failure without drive when, keep control valve 54a, 58a open and control valve
The state that 38a, 38b, 56a and 60a are closed, to drive petrolift 30 and guarantee fuel to pump 50.Pass through the first oil pressure of driving as a result,
Pump 34 and the second oil pressure pump 40, can drive linear actuators 32 and spare linear actuators 52.In this case, it is not shown
Control valve close so that oil pressure does not flow in linear actuators 33.
As described above, control valve (the first control valve) 38a, 54a and 56a setting oil pressure pipe 38a or branch's oil pressure pipe 54,
56, another and guarantee fuel pump so that when any of petrolift 30,31 does not drive, in petrolift 30,31
50 are driven by the first oil pressure pump 34 and the first electric motor 36, in addition, control valve (the second control valve) 38b, 58a and 60a is set
It sets in oil pressure pipe 38 or branch's oil pressure pipe 58,60, so that another and the guarantee fuel pump 50 in petrolift 30,31 passes through
Second oil pressure pump 40 and the driving of the second electric motor 42.
As described above, in embodiment shown in Fig. 4, any of petrolift 30,31 due to failure etc. without
When driving, the oil pressure actuated guarantee fuel pump 50 that is generated by the first oil pressure pump 34 and the second oil pressure pump 40 and spare linear activated
Device 52, so as to supply fuel to combustion engine 28.
It is further preferred, that according to one embodiment, from the oil pressure outflux of the first oil pressure pump 34 to linear actuators
32, the oil pressure pipe distance of 33 each opening (oil pressure introducing port) 32d, 33d is identical with the volume in oil pressure pipe.As a result, in oil
It is pressed in when being moved between the anti-bar side space of the cylinder of linear actuators 32,33, in order to which linear actuators 32,33 is according to making petrolift
30, it 31 realizes that the mode of identical pressurization and discharge rate is acted, is able to suppress from working oil storage bin 12 and supplements working oil
Amount or the superfluous working oil back to working oil storage bin 12 amount.
Similarly, it is preferred that each opening of linear actuators 32,33 is exported to from the oil pressure of the second oil pressure pump 40
The oil pressure pipe distance of (oil pressure introducing port) 32e, 33e is identical with the volume in oil pressure pipe.As a result, in oil pressure in linear actuators
32, when being moved between the bar side space of 33 cylinder, in order to which linear actuators 32,33 is identical according to petrolift 30,31 is realized
The mode of the soakage of liquid fuel is acted, and the amount or return that working oil is supplemented from working oil storage bin 12 are able to suppress
To the amount of the superfluous working oil of working oil storage bin 12.
Even if in the case where embodiment shown in Fig. 4, it is preferred that from the oil pressure outflux of the first oil pressure pump 34 to
The oil pressure pipe of each opening (oil pressure introducing port) 32d, 33d and 52d of linear actuators 32,33 and spare linear actuators 52 away from
It is identical from the volume in oil pressure pipe.
Similarly, it is preferred that export to linear actuators 32,33 and spare linear cause from the oil pressure of the second oil pressure pump 40
Volume in the oil pressure pipe distance and oil pressure pipe of the oil pressure pipe of each opening (oil pressure introducing port) 32e, 33e and 52e of dynamic device 52
It is identical.
Such fuel feed system 10 is preferably mounted on ship, and what is carried on the preferably ship of combustion engine 28 pushes away
It sets out motivation.Since the setting area of the carrying equipment of ship is limited, and generated finite energy, therefore fuel supply system
System 10 is effective in terms of the scale of manufacturing cost and equipment.
Above-mentioned fuel feed system 10, fuel feeding method and ship is only an example, can be based on the present invention
Main contents carry out various improvement, and these improvement are not precluded except the scope of the present invention.
The explanation of appended drawing reference
10: fuel feed system
12: working oil storage bin
15: working tubing
16: controller
19: low pressure liquid fuel feed pipe
20: pressurizing device
21: high pressure liquid fuel supply pipe
22: heating device
24: pressure-regulating valve
26: fuel feed pipe
28: combustion engine
30,31: petrolift
32,33: linear actuators
32a, 33a, 52a: bar
32b, 33b, 52b cylinder
32c, 33c, 52c: hydraulic piston
32d, 32e, 33d, 33e, 52d, 52e: opening
32f, 32g, 33f, 33g, 52f, 52g: check-valves
32h, 32i, 33h, 33i, 52h, 52i: relief valve
34: the first oil pressure pumps
34a, 34b: oil pressure pump
36: the first electric motors
36a, 36b electric motor
38a, 38b, 54a, 56a, 58a, 60a: control valve
50: guarantee fuel pump
52: spare linear actuators
54,56,58,60: branch's oil pressure pipe
Claims (8)
1. a kind of fuel feed system, to the fuel of combustion engine supply pressurization characterized by comprising
The pressurizing device of fuel sucks fuel and is discharged after being pressurizeed；And
Fuel feed pipe, the fuel to pressurize to combustion engine supply,
The pressurizing device includes:
Fuel pump group, including two for pressurize the petrolift A and petrolift B of the fuel, and drive the petrolift A and
The petrolift B, so that the petrolift B carries out the row of the fuel when the petrolift A carries out the sucking of the fuel
Out, when the petrolift A carries out the discharge of the fuel, the petrolift B carries out the sucking of the fuel；
Linear actuators group is driven by the supply of oil pressure, and includes at least linear actuators A and linear actuators B, institute
It states linear actuators A and is connected to the petrolift A, the linear actuators B is connected to the petrolift B, and described in driving
The petrolift A and petrolift B, so that the fuel is alternately discharged from each petrolift A and the petrolift B；
First oil pressure pump is shared by the linear actuators A and the linear actuators B, to each linear actuators A and institute
Linear actuators B is stated for oil feed pressure, so that the fuel is discharged from each petrolift；
First electric motor, for driving first oil pressure pump, and its direction of rotation is free；
Second oil pressure pump is shared by the linear actuators A and the linear actuators B, to each linear actuators A and institute
Linear actuators B is stated for oil feed pressure, so that each petrolift sucks the fuel；
Second electric motor, for driving second oil pressure pump, and its direction of rotation is free；
Oil pressure pipe connects first oil pressure pump and each linear actuators A and linear actuators B, and described in connection
Second oil pressure pump and each linear actuators A and linear actuators B,
The oil pressure pipe is constituted in the following manner: when first electric motor rotates in the forward direction, first oil pressure pump to
The linear actuators A reversely revolves so that the fuel is discharged in the petrolift A in first electric motor for oil feed pressure
When turning, first oil pressure pump to the linear actuators B for oil feed pressure so that the fuel is discharged in the petrolift B,
And the oil pressure pipe is constituted in the following manner: when second electric motor rotates in the forward direction, second oil pressure
It pumps to the linear actuators A for oil feed pressure, so that the petrolift A sucks the fuel, it is anti-in second electric motor
To when rotation, second oil pressure pump to the linear actuators B for oil feed pressure so that the petrolift B sucks the fuel.
2. fuel feed system according to claim 1, which is characterized in that
Each linear actuators A and linear actuators B includes cylinder and the piston that is arranged in the cylinder, the cylinder it is interior
Portion space includes that not ipsilateral the first space and second space are separated into relative to the piston,
First oil pressure pump is connect by the oil pressure pipe with first space, and second oil pressure pump passes through the oil pressure
Pipe is connect with the second space.
3. fuel feed system according to claim 1 or 2, which is characterized in that
The size of second oil pressure pump is less than the size of first oil pressure pump.
4. fuel feed system according to claim 1 or 2, which is characterized in that
Second oil pressure pump is made of an oil pressure pump, and first oil pressure pump is made of two oil pressure pumps.
5. fuel feed system according to claim 1 or 2, which is characterized in that
The fuel pump group further comprises guarantee fuel pump, and the guarantee fuel pump is configured to suck the fuel and be added
It is discharged after pressure, but the guarantee fuel pump does not drive when two petrolifts drive,
The linear actuators group further comprises spare linear actuators, and the spare linear actuators is configured to described in driving
Guarantee fuel pump, so that guarantee fuel pump sucks the fuel and is discharged after being pressurizeed, but in two linear causes
Spare linear actuators when device A and linear actuators B is acted is moved to be failure to actuate,
The oil pressure pipe is provided with branch's oil pressure pipe, branch's oil pressure pipe from the oil pressure pipe branch, and with it is described spare
Linear actuators connection,
First control valve is arranged on the oil pressure pipe or branch's oil pressure pipe, so that in the petrolift A and the fuel
Any one petrolift in pump B is when driving, the petrolift A and another petrolift in the petrolift B and described standby
With petrolift by first oil pressure pump and first electrical motor driven, and the second control valve is arranged in the oil pressure
On pipe or branch's oil pressure pipe, so that another petrolift in the petrolift A and the petrolift B and described spare
Petrolift passes through second oil pressure pump and second electrical motor driven.
6. a kind of ship, which is characterized in that including fuel feed system described in any one of claims 1 to 5, and it is described
Combustion engine is the propelling motor carried on ship.
7. a kind of fuel feeding method, pressurized fuel is simultaneously supplied to combustion engine,
Wherein, the pressurizing device for the fuel for sucking fuel and being discharged after being pressurizeed includes two petrolifts for being used for pressurized fuel
A and petrolift B, it is corresponding with the petrolift A and be arranged and drive the petrolift A linear actuators A and with the combustion
Material pump B is corresponding and is arranged and drives the linear actuators B of the petrolift B,
The method includes the following steps:
When a petrolift in the petrolift A and the petrolift B carries out the sucking of the fuel, another petrolift
Carry out the discharge of the fuel；And
When a petrolift in the petrolift A and the petrolift B carries out the discharge of the fuel, another petrolift
The sucking of the fuel is carried out,
Wherein, the linear actuators A and the linear actuators B receive from being carried out by the rotation of the first electric motor
The supply of the oil pressure of first oil pressure pump of rotation, so that the fuel is alternately arranged from each petrolift A and the petrolift B
Out,
When first electric motor rotates in the forward direction, first oil pressure pump to the linear actuators A for oil feed pressure so that
The fuel is discharged in the petrolift A, and when first electric motor reversely rotates, first oil pressure pump is to described linear
Actuator B is for oil feed pressure, so that the fuel is discharged in the petrolift B,
The linear actuators A and linear actuators B receiving is rotated from the rotation by the second electric motor
The second oil pressure pump oil pressure supply so that each petrolift A and the petrolift B alternately suck the fuel,
When second electric motor rotates in the forward direction, second oil pressure pump to the linear actuators A for oil feed pressure so that
The petrolift A sucks the fuel, and when second electric motor reversely rotates, second oil pressure pump is to described linear
Actuator B is for oil feed pressure, so that the petrolift B sucks the fuel.
8. fuel feeding method according to claim 7, which is characterized in that
Each linear actuators A and linear actuators B includes cylinder and the piston that is arranged in the cylinder, the cylinder it is interior
Portion space includes that not ipsilateral the first space and second space are separated into relative to the piston,
First oil pressure pump to first space of each linear actuators A and linear actuators B for oil feed pressure,
The second space from second oil pressure pump to each linear actuators A and linear actuators B for oil feed pressure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-117464 | 2017-06-15 | ||
| JP2017117464A JP6266829B1 (en) | 2017-06-15 | 2017-06-15 | Fuel supply system, ship, and fuel supply method |
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| Publication Number | Publication Date |
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| CN108798937A CN108798937A (en) | 2018-11-13 |
| CN108798937B true CN108798937B (en) | 2019-07-30 |
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| CN201810584430.0A Active CN108798937B (en) | 2017-06-15 | 2018-06-08 | Fuel feed system, ship and fuel feeding method |
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| JP (1) | JP6266829B1 (en) |
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| CN111810331A (en) * | 2020-06-05 | 2020-10-23 | 东风商用车有限公司 | Gas-driven liquid fuel supply system and using method thereof |
| JP6849849B1 (en) * | 2020-09-08 | 2021-03-31 | 株式会社三井Ｅ＆Ｓマシナリー | Cleaning and wastewater treatment equipment for marine exhaust gas |
| KR20230160977A (en) | 2022-05-17 | 2023-11-27 | 에이치앤오바이오시스(주) | Extracts of Five or More Herbal Plants Used for Anticancer Therapy |
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| JPS5936706Y2 (en) * | 1979-04-06 | 1984-10-09 | 株式会社新潟鐵工所 | Closed circuit for double cylinder drive in concrete pump |
| SE534535C2 (en) * | 2008-12-29 | 2011-09-27 | Alfa Laval Corp Ab | Pump device with two pump units, use and method for controlling one |
| US10537471B2 (en) * | 2014-04-17 | 2020-01-21 | Novartis Ag | Hydraulic pump for ophthalmic surgery |
| JP6193291B2 (en) * | 2015-04-13 | 2017-09-06 | 三井造船株式会社 | Fuel supply device |
| JP5934409B1 (en) * | 2015-04-13 | 2016-06-15 | 三井造船株式会社 | Fuel supply device |
| JP6586681B2 (en) * | 2015-07-30 | 2019-10-09 | 株式会社三井Ｅ＆Ｓマシナリー | Fuel supply device |
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| JP2019002339A (en) | 2019-01-10 |
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