CN103573483B - Fuel feed system and fuel preheating method - Google Patents
Fuel feed system and fuel preheating method Download PDFInfo
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- CN103573483B CN103573483B CN201310566313.9A CN201310566313A CN103573483B CN 103573483 B CN103573483 B CN 103573483B CN 201310566313 A CN201310566313 A CN 201310566313A CN 103573483 B CN103573483 B CN 103573483B
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- fuel
- temperature
- supply lines
- heater
- feed system
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Abstract
The invention provides a kind of fuel feed system and fuel preheating method, fuel feed system includes supply lines, and fuel feed system also includes first heater, is arranged in supply lines, for heating the fuel in supply lines.The fuel feed system of the present invention first passes through first heater and is heated in supply lines by fuel, re-supply to engine, so when fuel temperature is relatively low, the temperature of fuel can first be raised by first heater, reach the working stamndard of engine, re-supply to engine, it is to avoid engine is too low and cause difficulty in starting, fluctuation of service and the phenomenons such as reduction of exerting oneself due to fuel temperature, ensure that engine also is able to normally start and even running under low temperature regulates.Fuel oil through heating also is able in supply lines smooth circulation, supply lines will not be caused damage.
Description
Technical field
The present invention relates to power-equipment field, more particularly, to a kind of fuel feed system and fuel preheating method.
Background technology
In prior art, the power-equipment such as engine is configured with fuel feed system, and fuel feed system is used for supplying fuel to
Engine, transmitter consumes fuel and exports power.If the temperature of working environment reduces, the temperature of fuel also will reduce,
If the fuel temperature being supplied to engine is too low, will result in engine start difficulty, fluctuation of service, reduction of exerting oneself etc. is
Row problem.Additionally, low temperature also can make fuel circulation not smooth, fuel feed system is caused damage.
Summary of the invention
It is desirable to provide a kind of fuel feed system and fuel preheating method, supply with the engine and fuel solving prior art
It is difficult to the most properly functioning problem to system.
For solving above-mentioned technical problem, according to an aspect of the invention, it is provided a kind of fuel feed system, including feeder sleeve
Road, fuel feed system also includes first heater, is arranged in supply lines, for heating the fuel in supply lines.
Further, fuel feed system also includes the first temperature-detecting device, is arranged in supply lines and is positioned at the first heating
The downstream of device, for detecting the temperature of the fuel in supply lines, first heater detects at the first temperature-detecting device
Temperature less than the first preset temperature time start.
Further, first heater is electric heater unit.
Further, fuel feed system also includes secondary heating mechanism, is arranged in supply lines, is used for heating supply lines
In fuel.
Further, fuel feed system also includes the second temperature-detecting device, is arranged in supply lines and is positioned at the second heating
The downstream of device, for detecting the temperature of the fuel in supply lines, first heater detects at the second temperature-detecting device
Temperature higher than the second preset temperature time close.
Further, fuel feed system supplies fuel to engine, and secondary heating mechanism is heat transfer heater, heat transfer heating
The heat of engine is passed to supply lines and heats fuel by device.
Further, fuel feed system also includes the first on-off valve, is arranged in supply lines and is positioned at first heater
Downstream, for cutting off supply lines when fuel feed system stops supply fuel.
Further, fuel feed system also includes return pipeline and the second on-off valve being arranged in return pipeline；Return pipeline
It is connected between the first heater of supply lines and the first on-off valve, for discharging supply lines when the first on-off valve is closed
In fuel.
According to another aspect of the present invention, additionally provide a kind of fuel preheating method, including: first in detection supply lines
First temperature of the fuel of position；When the first temperature is less than the first preset temperature, start the electric heater unit being positioned at primary importance
Heat for fuel.
Further, fuel preheating method also includes: by heat transfer heater the heat of engine passed to supply lines with
Heating fuel；Second temperature of the fuel of the second place in detection supply lines；When the second temperature is higher than the second preset temperature,
Close electric heater unit.
The fuel feed system of the present invention first passes through first heater and is heated in supply lines by fuel, re-supplies to engine,
So when fuel temperature is relatively low, the temperature of fuel can first be raised by first heater, reaches the working stamndard of engine,
Re-supply to engine, it is to avoid engine is too low and cause difficulty in starting, fluctuation of service and reduction of exerting oneself due to fuel temperature
Etc. phenomenon, ensure that engine also is able to normally start and even running under low temperature regulates.Fuel oil through heating also is able to supplying
In material pipeline, smooth circulation, will not cause damage to supply lines.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, the illustrative examples of the present invention and
Its explanation is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the schematic diagram of the fuel feed system in the present invention.
Reference in figure: 10, first heater；20, the first temperature-detecting device；30, secondary heating mechanism；40、
Second temperature-detecting device；50, the first on-off valve；60, the second on-off valve；70, the pump housing；80, pressure gauge；100, feed
Pipeline；200, return pipeline；300, engine；400, storage device.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be defined by the claims and cover
Multitude of different ways implement.
According to an aspect of the invention, it is provided a kind of fuel feed system, as it is shown in figure 1, this fuel feed system includes
Supply lines 100, described fuel feed system also includes first heater 10, is arranged in described supply lines 100, uses
In the fuel heated in described supply lines 100.
The fuel feed system of the present invention first passes through first heater 10 and is heated in supply lines 100 by fuel, re-supply to
Engine 300, so when fuel temperature is relatively low, the temperature of fuel can first be raised by first heater 10, reaches to start
The working stamndard of machine 300, re-supplies to engine 300, it is to avoid engine 300 due to fuel temperature too low and cause difficulty in starting,
Fluctuation of service and the phenomenons such as reduction of exerting oneself, ensure that engine 300 also is able to normally start and even running under low temperature regulates.
Fuel oil through heating also is able in supply lines 100 smooth circulation, supply lines 100 will not be caused damage.
Preferably, described first heater 10 is electric heater unit.Such as resistive heating device or eddy current heating device.
Preferably, described fuel feed system also includes the first temperature-detecting device 20, is arranged in described supply lines 100 also
Being positioned at the downstream of described first heater 10, for detecting the temperature of the fuel in described supply lines 100, described first adds
Thermal 10 starts when the temperature that described first temperature-detecting device 20 detects is less than the first preset temperature.Fuel supply system
System detects the temperature of fuel by the first temperature-detecting device 20, if detecting when the temperature of fuel is less than the first preset temperature, just
Open first heater 10 and begin to warm up fuel, such as, begin to warm up when temperature fuel being detected is less than 0 degree Celsius.
Preferably, described fuel feed system also includes secondary heating mechanism 30, is arranged in described supply lines 100, is used for
Heat the fuel in described supply lines 100.Preferably, described fuel feed system supplies fuel to engine 300, described
Secondary heating mechanism 30 is heat transfer heater, and the heat of described engine 300 is passed to described confession by described heat transfer heater
Material pipeline 100 also heats fuel.First heater 10 is catabiotic electric heater unit, is used primarily in engine 300 and opens
Heating fuel time dynamic, in order to engine 300 normally starts.After engine 300 starts, can burn fuel export power,
This process can produce and distribute substantial amounts of heat, and secondary heating mechanism 30 just utilizes this partial heat to continue heating fuel, the
The heat produced when two heaters 30 are to be run by engine 300 passes to the heat transfer heater of fuel, it is not necessary to additionally disappear
Energy consumption, energy-conserving and environment-protective.
Preferably, described fuel feed system also includes the second temperature-detecting device 40, is arranged in described supply lines 100 also
Being positioned at the downstream of described secondary heating mechanism 30, for detecting the temperature of the fuel in described supply lines 100, described first adds
Thermal 10 is closed when the temperature that described second temperature-detecting device 40 detects is higher than the second preset temperature.Owing to fuel supplies
It is provided with secondary heating mechanism 30, so after engine 300 runs, secondary heating mechanism 30 can complete heating combustion to system
The task of material, and it is no longer necessary to catabiotic first heater 10.So fuel supply system is also provided with the second temperature inspection
Survey device 40, when the second temperature-detecting device 40 detects the temperature of fuel higher than the second preset temperature, close first and add hot charging
Put 10, and rely solely on secondary heating mechanism 30 and heat fuel, such as when detecting that the temperature of fuel is higher than 10 or 20 degrees Celsius
Time close first heater 10.
Preferably, as it is shown in figure 1, secondary heating mechanism 30 is positioned at the downstream of first heater 10, the first temperature detection dress
Putting 20 between first heater 10 and secondary heating mechanism 30, the second temperature-detecting device 40 is positioned at second and adds hot charging
Put the downstream of 30.First fuel heated by first heater 10 after storage device 400 flows out, and thus can ensure that combustion
Material keeps the state after heating by supply lines 100, makes fuel keep good mobility in supply lines 100.
Interchangeable, secondary heating mechanism 30 is located at the upstream of first heater 10, and the second temperature-detecting device 40 is positioned at
Between secondary heating mechanism 30 and first heater 10, the first temperature-detecting device 20 is positioned at first heater 10 times
Trip.This kind of scheme is exactly that the secondary heating mechanism 30 in Fig. 1 and the second temperature-detecting device 40 are arranged first heater
Before, so when engine 300 stops, the first temperature-detecting device 20 detects the temperature of the most heated fuel；When sending out
When motivation 300 is run, the second temperature-detecting device 40 only detects by the temperature of the heated fuel of secondary heating mechanism 30, keeps away
Cause thermometric to be forbidden from the impact to first heater 10.
Preferably, described fuel feed system also includes the first on-off valve 50, is arranged in described supply lines 100 and is positioned at institute
State the downstream of first heater 10, for cutting off described supply lines 100 when described fuel feed system stops supply fuel.
First on-off valve 50 be arranged on the downstream of first heater 10 be in order to engine 300 start before, i.e. fuel supply system
Before system starts to supply fuel for engine 300, first heater 10 can be just the fuel heating in supply lines 100,
So that supply passes through the fuel of heating when engine 300 starts.
Preferably, described fuel feed system also includes return pipeline 200 and second be arranged in described return pipeline 200 is led to
Disconnected valve 60；Described return pipeline 200 is connected to the described first heater 10 of described supply lines 100 and described first break-make
Between valve 50, for discharging the fuel in described supply lines 100 when described first on-off valve 50 is closed.When engine 300
During parking, the first on-off valve 50 disconnects supply lines 100, and the second on-off valve 60 opens return pipeline 200, and fuel is from feed back pipe
Road 200 returns in storage device 400.
Preferably, fuel feed system also includes that the pump housing 70, the pump housing 70 are arranged in supply lines 100 and are positioned at first and adds hot charging
Put the upstream of 10.Fuel is pumped into engine 300 by the pump housing 70, and respectively adds hot charging in supply lines 100 in the process
Put.
Preferably, fuel feed system also includes that pressure gauge 80, pressure gauge 80 are arranged in supply lines 100 and are positioned at the pump housing
The downstream of 70.Pressure gauge 80 is for detecting the pressure of the fuel in supply lines 100, the duty of reactive fuel supply system.
According to another aspect of the present invention, additionally provide a kind of fuel preheating method, including: in detection supply lines 100
First temperature of the fuel of primary importance；When described first temperature is less than the first preset temperature, starts and be positioned at described primary importance
Electric heater unit be described fuel heating.
Preferably, the first preset temperature is 0 degree Celsius.
Preferably, described fuel preheating method also includes: passed to by the heat of engine 300 described by heat transfer heater
Supply lines 100 is to heat fuel；Detect the second temperature of the fuel of the second place in described supply lines 100；When described
When second temperature is higher than the second preset temperature, close described electric heater unit.
Preferably, the second preset temperature is 10 degrees Celsius.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (4)
1. a fuel feed system, including supply lines (100), it is characterised in that described fuel feed system also includes that first adds
Thermal (10), is arranged in described supply lines (100), is used for heating the fuel in described supply lines (100),
First heater (10) is catabiotic electric heater unit, is used in heating fuel when engine (300) starts, with
Just engine (300) normally starts；
Described fuel feed system also includes the first temperature-detecting device (20), is arranged in described supply lines (100),
The temperature of the fuel in detecting described supply lines (100), fuel feed system passes through the first temperature-detecting device (20)
The temperature of detection fuel, if detecting when the temperature of fuel is less than the first preset temperature, turns on first heater (10)
Begin to warm up fuel；
Described fuel feed system also includes secondary heating mechanism (30), is arranged in described supply lines (100), is used for
Heat the fuel in described supply lines (100)；Described fuel feed system supplies fuel to engine (300)；When sending out
After motivation (300) starts, can burn fuel export power, and this process can produce and distribute substantial amounts of heat, and the
Two heaters (30) utilize this partial heat to continue heating fuel；
Described fuel feed system also includes the second temperature-detecting device (40), is arranged in described supply lines (100) also
It is positioned at the downstream of described secondary heating mechanism (30), is used for detecting the temperature of the fuel in described supply lines (100),
When the second temperature-detecting device (40) detects the temperature of fuel higher than the second preset temperature, close first heater
(10) secondary heating mechanism (30) heating fuel, is relied solely on；
Described secondary heating mechanism (30) is located at the upstream of described first heater (10), described second temperature detection
Device (40) is positioned between described secondary heating mechanism (30) and described first heater (10), described first temperature
Detection device (20) is positioned at the downstream of described first heater (10), so when described engine (300) stops,
The temperature of the fuel that the detection of described first temperature-detecting device (20) is the most heated；When described engine (300) runs
Time, described second temperature-detecting device (40) is only detected by the temperature of the heated fuel of described secondary heating mechanism (30),
Avoid being affected by described first heater (10) and cause thermometric to be forbidden.
Fuel feed system the most according to claim 1, it is characterised in that described fuel feed system also includes the first on-off valve
(50), it is arranged in described supply lines (100) and is positioned at the downstream of described first heater (10), in institute
State fuel feed system to stop cutting off described supply lines (100) during supply fuel.
Fuel feed system the most according to claim 2, it is characterised in that described fuel feed system also includes return pipeline
And the second on-off valve (60) of being arranged in described return pipeline (200) (200)；
Described return pipeline (200) is connected to the described first heater (10) of described supply lines (100) with described
Between first on-off valve (50), for discharging described supply lines (100) when described first on-off valve (50) is closed
In fuel.
4. a fuel preheating method, it is characterised in that including:
First temperature of the fuel of the primary importance in detection supply lines (100)；
When described first temperature is less than the first preset temperature, it is described combustion that startup is positioned at the electric heater unit of described primary importance
Material heating；
First heater (10) is catabiotic electric heater unit, is used in heating fuel when engine (300) starts,
So that engine (300) normally starts；
Fuel feed system also includes the first temperature-detecting device (20), is arranged on described supply lines (100) and above and is positioned at
The downstream of described first heater (10), is used for detecting the temperature of the fuel in described supply lines (100), fuel
Feed system is by the temperature of the first temperature-detecting device (20) detection fuel, if detecting, the temperature of fuel is pre-less than first
If during temperature, turn on first heater (10) and begin to warm up fuel；
Fuel feed system also includes secondary heating mechanism (30), is arranged in described supply lines (100), is used for heating
Fuel in described supply lines (100)；Described fuel feed system supplies fuel to engine (300)；Work as engine
(300), after starting, can burn fuel export power, and this process can produce and distribute substantial amounts of heat, and second adds
Thermal (30) utilizes this partial heat to continue heating fuel；
Fuel feed system also includes the second temperature-detecting device (40), is arranged on described supply lines (100) and above and is positioned at
The downstream of described secondary heating mechanism (30), is used for detecting the temperature of the fuel in described supply lines (100), when
When two temperature-detecting devices (40) detect the temperature of fuel higher than the second preset temperature, close first heater (10),
And rely solely on secondary heating mechanism (30) heating fuel；
Described secondary heating mechanism (30) is located at the upstream of described first heater (10), described second temperature
Degree detection device (40) is positioned between described secondary heating mechanism (30) and described first heater (10),
Described first temperature-detecting device (20) is positioned at the downstream of described first heater (10), so when described
When engine (300) stops, the temperature of the fuel that the detection of described first temperature-detecting device (20) is the most heated
Degree；When described engine (300) runs, described second temperature-detecting device (40) is only detected by described
The temperature of the fuel that two heaters (30) are heated, it is to avoid by the shadow of described first heater (10)
Ring and cause thermometric to be forbidden.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310566313.9A CN103573483B (en) | 2013-11-13 | 2013-11-13 | Fuel feed system and fuel preheating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310566313.9A CN103573483B (en) | 2013-11-13 | 2013-11-13 | Fuel feed system and fuel preheating method |
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| Publication Number | Publication Date |
|---|---|
| CN103573483A CN103573483A (en) | 2014-02-12 |
| CN103573483B true CN103573483B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310566313.9A Active CN103573483B (en) | 2013-11-13 | 2013-11-13 | Fuel feed system and fuel preheating method |
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| CN201953523U (en) * | 2011-01-24 | 2011-08-31 | 自贡科创液压有限公司 | Fuel oil processing system for diesel engine |
| CN202348492U (en) * | 2011-11-28 | 2012-07-25 | 重庆潍柴发动机厂 | Fuel processing device of diesel engine |
| CN203114490U (en) * | 2013-01-18 | 2013-08-07 | 中国石油大学(华东) | Fuel electric-water-combining heating system of diesel engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4137018B2 (en) * | 2004-07-02 | 2008-08-20 | トヨタ自動車株式会社 | Heating device for liquefied gas fuel supply system |
| CN200952444Y (en) * | 2006-04-18 | 2007-09-26 | 马宗元 | Thermoelectric preheating device for diesel locomotive |
| CN201165921Y (en) * | 2008-01-03 | 2008-12-17 | 刘磊 | Apparatus for heating engine oil and oil tank diesel oil by electricity and water |
| CN201827002U (en) * | 2010-07-19 | 2011-05-11 | 北京北宇机械设备有限公司 | Novel thermoelectric preheating device for diesel locomotive |
| CN103147898A (en) * | 2013-03-25 | 2013-06-12 | 中联重科股份有限公司渭南分公司 | Starting control system and starting controlling method for engine of engineering machinery |
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2013
- 2013-11-13 CN CN201310566313.9A patent/CN103573483B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235775A (en) * | 2007-10-26 | 2008-08-06 | 周毕华 | Emulsified diesel oil highly effective combustion supporting oil supplier |
| CN201953523U (en) * | 2011-01-24 | 2011-08-31 | 自贡科创液压有限公司 | Fuel oil processing system for diesel engine |
| CN202348492U (en) * | 2011-11-28 | 2012-07-25 | 重庆潍柴发动机厂 | Fuel processing device of diesel engine |
| CN203114490U (en) * | 2013-01-18 | 2013-08-07 | 中国石油大学(华东) | Fuel electric-water-combining heating system of diesel engine |
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| Publication number | Publication date |
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| CN103573483A (en) | 2014-02-12 |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |