CN104265528B - Fuel oil circulated filter system, fuel tank and engineering machinery - Google Patents
Fuel oil circulated filter system, fuel tank and engineering machinery Download PDFInfo
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- CN104265528B CN104265528B CN201410371224.3A CN201410371224A CN104265528B CN 104265528 B CN104265528 B CN 104265528B CN 201410371224 A CN201410371224 A CN 201410371224A CN 104265528 B CN104265528 B CN 104265528B
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Abstract
The invention discloses a kind of fuel oil circulated filter system, fuel tank and engineering machinery, the fuel oil circulated filter system includes：Circulation oil transportation circuit, is arranged at the outside of fuel tank, and connect with the fuel tank；Wherein, circulating pump and the filter for filter fuel are provided with the circulation oil transportation circuit.Therefore, fuel filter precision can be improved using the fuel oil circulated filter system of the present invention, reduces pipeline road on-way resistance.
Description
Technical field
The present invention relates to engineering machinery field, more particularly to a kind of fuel oil circulated filter system, fuel tank and engineering machinery.
Background technology
At present, hydraulic crawler excavator is widely used in the numerous areas of the development of the national economy, particularly in northern China
The ground such as Mongolia, Xinjiang, Shanxi possess abundant mineral resources, and large excavator is in local open coal mine, large-scale stone pit etc.
With high usage frequency.
Wherein, engine is one of pass heavy parts of hydraulic crawler excavator, and fuel oil supply system is the important composition of engine
Part, it is to provide fuel for engine work that it, which is acted on, so that whole machine has excellent power performance, economic performance, discharge
Property and operational reliability.
However, in the working environment such as open coal mine and stone pit, environment dust content is high, fuel oil is stored bar by transport
The limitation of part, generally poor quality, particulate matter and moisture are higher in fuel oil.But development with modern internal combustion engine technology and
The lifting of whole society's environmental consciousness, the discharge phase of internal combustion engine is constantly lifted, and the injection pressure of fuel pump gradually increases, to fuel oil
The requirement more and more higher of quality.Therefore, effectively filtering how is carried out to the fuel oil of internal combustion engine becomes most important, still, due to
The filtering to fuel oil is generally local filtration at present, easily forms local partial circulating, it is more difficult to carry out whole filterings to it.
The content of the invention
In view of this, the first purpose of the embodiment of the present invention is to propose a kind of fuel oil circulated filter system, it is possible to increase
Fuel filter precision, reduces pipeline road on-way resistance.
For further, the fuel oil circulated filter system includes：Circulation oil transportation circuit, is arranged at the outside of fuel tank, and with
The fuel tank connection；Wherein, the circulation oil transportation circuit is provided with circulating pump and the filter for filter fuel.
Alternatively, in certain embodiments, above-mentioned fuel oil circulated filter system also includes：Master controller, with the circulation
Pump is connected, for controlling the startup of the circulating pump with closing down.
Alternatively, in certain embodiments, above-mentioned fuel oil circulated filter system also includes：Liquid level sensor, is arranged on oil
Inside case；Master controller, is connected with the liquid level sensor and the circulating pump, for being detected according to the liquid level sensor
Liquid level signal control the startup of the circulating pump with closing down.
Alternatively, in certain embodiments, the filter includes：Oily-water seperating equipment, is configured with draining valve, is used for
Moisture impurity in fuel oil is separated and discharged therefrom；And/or, fuel strainer, with replaceable filter core, for inciting somebody to action
Filter the particulate contaminant in fuel oil.
Alternatively, in certain embodiments, the circulation oil transportation circuit includes circulating fuel sucking pipe, is arranged on the oil tank bottom
Portion, its one end is connected with being opened in the circulation inlet port of the tank bottoms, and the other end is connected with the circulating pump；Circulate oil return
Pipe, be arranged on the top of oil-tank, its one end is connected with being opened in the recirculation return port of the top of oil-tank, the other end and
The circulating pump connection.
Alternatively, in certain embodiments, the circulating fuel sucking pipe and circulation return tubing are diagonally positioned.
Alternatively, in certain embodiments, above-mentioned fuel oil circulated filter system also includes：Stop valve, is arranged at described follow
On ring fuel sucking pipe, the break-make for controlling the circulation oil transportation circuit.
Alternatively, in certain embodiments, above-mentioned fuel oil circulated filter system also includes：Guide plate, is arranged at fuel tank
Inside, for guiding the fuel oil after filtering to flow to engine oil-suction pipe；Wherein, the engine oil-suction pipe is arranged at the fuel tank
Bottom, the other end relative with the circulating fuel sucking pipe.
The another object of the embodiment of the present invention is to propose a kind of fuel tank, and the fuel tank is configured with the combustion described in any of the above-described kind
Oily circulated filter system, it is possible to increase fuel filter precision, reduces pipeline road on-way resistance.
The another object of the embodiment of the present invention is to propose a kind of engineering machinery, and the engineering machinery is provided with any of the above-described kind
Described fuel tank, it is possible to increase fuel filter precision, reduces pipeline road on-way resistance.
Relative to prior art, the embodiment of the present invention has the advantage that：
The fuel oil circulated filter system that the embodiment of the present invention is proposed, flowline is entered by be installed on fuel oil interior circulation circuit
Circulating pump between road, extracts the fuel oil in fuel tank out, and after circulating filtration circuit and the filter being arranged on, send back to
Fuel tank, circularly filters the impurity in fuel oil, and realization is circulated filtering to the fuel oil in fuel tank, and this can not only be effectively right
Fuel oil carries out integral filter, additionally it is possible to improve fuel filter precision, reduces pipeline road on-way resistance, solves engine fuel product
Matter is low, the problem of oil-feed is not smooth.
Brief description of the drawings
The accompanying drawing for constituting an embodiment of the present invention part is used for providing further understanding the embodiment of the present invention, the present invention
Schematic description and description be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of fuel oil filtering system provided in an embodiment of the present invention；
Fig. 2 is to flow to subregion schematic diagram after embodiment of the present invention intermediate fuel oil is filtered.
Description of reference numerals
10 fuel tanks
20 liquid level sensors
30 circulating pumps
40 filters
50 stop valves
60 circulating fuel sucking pipes
70 circulation return tubings
80 engine oil-suction pipes
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It should be noted that in the case where not conflicting, feature in the embodiment of the present invention and embodiment can mutual group
Close.
Below in conjunction with the accompanying drawings, each preferred embodiment of the present invention is described further：
To solve the problem of engine fuel quality is low, oil-feed is not smooth and existing filter effect is limited, the present embodiment is carried
Go out a kind of fuel oil circulated filter system.
Shown in reference picture 1, the fuel oil circulated filter system of the present embodiment includes：Circulation oil transportation circuit and it is arranged on this
Circulating pump 30 in circulation oil transportation circuit and the filter 40 for filter fuel.Wherein, circulation oil transportation circuit is arranged at
The outside of fuel tank 10, and connected with fuel tank 10.
In the fuel oil circulated filter system of the present embodiment, what circulating pump 30 was installed on fuel oil interior circulation circuit enters outlet line
Between, after fuel tank fuel up, circulating pump 30 starts, and filtering is circulated to the fuel oil in fuel tank 10, through circulating filtration line
Behind road and the filter 40 being arranged on, send fuel tank 10 back to, move in circles, so as to be circulated to the fuel oil in fuel tank 10
Filtering, this effectively can not only carry out integral filter to fuel oil, additionally it is possible to improve fuel filter precision, and reduction pipeline road hinders along journey
Power, solution engine fuel quality is low, the problem of oil-feed is not smooth.
In an alternative embodiment, above-mentioned fuel oil circulated filter system may also include：Master controller, master controller and circulation
Pump 30 is connected, for controlling the startup of circulating pump 30 with closing down.Here, master controller can control circulation according to instruction or signal
The startup of pump 30 controls the work of circulated filter system with closing down.
In another alternative embodiment, above-mentioned fuel oil circulated filter system may also include：Liquid level sensor 20 and main control
Device, liquid level sensor 20 is arranged on inside fuel tank 10, for detecting the fuel liquid level in fuel tank 10.Master controller and level sensing
Device 20 and connection, the liquid level signal that master controller is detected according to liquid level sensor 20 control startup and the pass of circulating pump 30
Stop.
For example, liquid level sensor 20, which detects fuel oil in fuel tank 10, reaches minimum liquid level, then minimum liquid level signal is transmitted
To master controller, master controller is received after minimum liquid level signal, is sent control information to circulating pump 30, is made what driver was operated
Motor is stopped, so that stop being circulated fuel oil filtering, in order to avoid the fuel feeding for the engine that influence is connected with the fuel tank 10.
Alternatively, filter 40 may include：Oily-water seperating equipment and/or fuel strainer, with true
The fuel oil for protecting conveying disclosure satisfy that the operation demand of engine.Wherein, oily-water seperating equipment is configured with draining valve, for by fuel oil
In moisture impurity separate and discharge therefrom.Fuel strainer has replaceable filter core, for that will filter in fuel oil
Particulate contaminant.
In the various embodiments described above, as a kind of optional embodiment, circulation oil transportation circuit includes：The He of circulating fuel sucking pipe 60
Circulation return tubing 70, optionally, circulating fuel sucking pipe 60 are arranged on the bottom of fuel tank 10, and one end of circulating fuel sucking pipe 60 is with being opened in
The circulation inlet port connection of the bottom of fuel tank 10, the other end is connected with circulating pump 30.Optionally, circulation return tubing 70 is arranged on oil
The top of case 10, one end of circulation return tubing 70 is connected with being opened in the recirculation return port at the top of fuel tank 10, and the other end is with following
Ring pump 30 is connected.
Wherein, circulating fuel sucking pipe 60, circulation return tubing 70 are placed in the bottom of fuel tank 10, top, can expand its circulation
The fuel oil scope of filtering, further improves fuel filter precision.
As optional embodiment, circulating fuel sucking pipe 60 and circulation return tubing 70 are diagonally positioned.As shown in figure 1, circulation
Fuel sucking pipe 60 is arranged at the bottom side of fuel tank 10, and circulation return tubing 70 is arranged at the top of fuel tank 10, relative with circulating fuel sucking pipe 60
Diagonal side.
In above-described embodiment, circulating fuel sucking pipe 60, circulation return tubing 70 are placed in the diagonal side at the bottom of fuel tank 10 and top,
The fuel oil scope of its circulating filtration can further be expanded, effectively to carry out integral filter to fuel oil, fuel oil is further improved
Filtering accuracy, reduces pipeline road on-way resistance.
Optionally, in the various embodiments described above, above-mentioned fuel oil circulated filter system may also include：Stop valve 50, stop valve
50 are arranged in circulating fuel sucking pipe 60, the break-make for controlling circulation oil transportation circuit.During filter element replacing, to prevent fuel oil
Leakage, can cut off oil circuit to realize by stop valve 50.
Optionally, in the various embodiments described above, above-mentioned fuel oil circulated filter system may also include：Guide plate, guide plate is set
The inside of fuel tank 10 is placed in, for guiding the fuel oil after filtering to flow to engine oil-suction pipe 80.Wherein, engine oil-suction pipe 80 is set
It is placed in the bottom of fuel tank 10, the other end relative with circulating fuel sucking pipe.
Shown in reference picture 2, in fuel tank 10, needs can be flowed to according to filter fuel, be divided into three regions, i.e.,：
Circulating filtration oil suction district A, circulating filtration oil back region B and engine oil inlet area under control domain C.Here, guide plate can be trapezoidal etc. any
The part that fuel oil can be guided to flow to.
For example, guide plate is set between circulating filtration oil suction district A and engine oil inlet area under control domain C, and in circulating filtration
Another guide plate is set between oil back region B and engine oil inlet area under control domain C, so, as shown in Fig. 2 filtering after fuel oil according to
The signified direction flowing in front in Fig. 2, so that the relatively more clean fuel delivery engine after filtering be used.
To sum up, from the various embodiments described above as can be seen that the embodiment of the present invention has the following advantages that：
Each fuel oil circulated filter system that the embodiment of the present invention is proposed, the fuel oil in fuel tank 10 is extracted out by circulating pump 30,
And after circulating filtration circuit and the filter being arranged on 40, send fuel tank 10 back to, move in circles, so that in fuel tank 10
Fuel oil be circulated filtering, lift fuel filter precision, reduce engine fuel oil system oil-feed resistance.It is circulated throughout by fuel oil
Filter system, it is ensured that its water content and particle content can be reduced, together by Multiple Cycle filtering by entering in-engine fuel oil
When avoid the increase of fuel oil resistance, breach filtering accuracy lifting, the limitation that engine oil inlet resistance increases therewith.
In addition, the embodiment of the present invention also proposes a kind of fuel tank, the fuel tank is configured with the fuel oil described in any of the above-described embodiment
Circulated filter system.
There is above-mentioned technique effect with fuel oil circulated filter system due to any of the above-described kind, therefore, there is combustion provided with this
The fuel tank of oily circulated filter system should also possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, hereby
Do not repeat.
In addition, the embodiment of the present invention additionally provides a kind of engineering machinery, including but not limited to hydraulic crawler excavator, the engineering machine
Tool is provided with any of the above-described kind of fuel tank with fuel oil circulated filter system.
Because any of the above-described kind of fuel tank with fuel oil circulated filter system has above-mentioned technique effect, therefore, provided with this
The engineering machinery of fuel tank should also possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not repeat hereby.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention, such as hydrostatic sensor, master control
Device processed etc., can be realized, they can be concentrated on single computing device, or be distributed in many with general computing device
On the network that individual computing device is constituted, alternatively, they can be realized with the executable program code of computing device, from
And, it can be stored in storage device and be performed by computing device, or they are fabricated to each integrated electricity respectively
Road module, or the multiple modules or step in them are fabricated to single integrated circuit module to realize.So, the present invention not
Any specific hardware and software is limited to combine.The storage device is nonvolatile memory, such as：ROM/RAM, flash memory,
Magnetic disc, CD etc..
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modifications, equivalent substitutions and improvements made etc. should be included within the scope of the present invention.
Claims (9)
1. a kind of fuel oil circulated filter system, it is characterised in that including：
One fuel tank (10)；
Circulation oil transportation circuit, is arranged at the outside of the fuel tank (10), and connect with the fuel tank (10)；
Guide plate, is arranged at the inside of fuel tank (10), for guiding the fuel oil after filtering to flow to engine oil-suction pipe (80)；
Wherein, circulating pump (30) and the filter (40) for filter fuel are provided with the circulation oil transportation circuit；Institute
The fuel oil that circulating pump (30) is used to extract the fuel tank (10) out is stated, and through the circulation oil transportation circuit and the filtering being arranged on
Send the fuel tank (10) after device (40) back to, to move in circles and be circulated filtering to the fuel oil in the fuel tank (10)；
Wherein, the engine oil-suction pipe (80) is arranged at the bottom of the fuel tank (10), relative with the circulating fuel sucking pipe
The other end.
2. fuel oil circulated filter system according to claim 1, it is characterised in that also include：
Master controller, is connected with the circulating pump (30), for controlling the startup of the circulating pump (30) with closing down.
3. fuel oil circulated filter system according to claim 1, it is characterised in that also include：
Liquid level sensor (20), is arranged on fuel tank (10) internal；
Master controller, is connected with the liquid level sensor (20) and the circulating pump (30), for according to the liquid level sensor
(20) liquid level signal detected controls the startup of the circulating pump (30) with closing down.
4. fuel oil circulated filter system according to claim 1, it is characterised in that the filter (40) includes：
Oily-water seperating equipment, is configured with draining valve, for separating and discharging therefrom the moisture impurity in fuel oil；And/or,
Fuel strainer, with replaceable filter core, for the particulate contaminant that will be filtered in fuel oil.
5. the fuel oil circulated filter system according to any one of Claims 1-4, it is characterised in that the circulation oil line
Road includes：
Circulating fuel sucking pipe (60), is arranged on the fuel tank (10) bottom, its one end is with being opened in following for the fuel tank (10) bottom
Ring inlet port is connected, and the other end is connected with the circulating pump (30)；
Circulation return tubing (70), is arranged at the top of the fuel tank (10), its one end is with being opened in following at the top of the fuel tank (10)
Loopback hydraulic fluid port is connected, and the other end is connected with the circulating pump (30).
6. fuel oil circulated filter system according to claim 5, it is characterised in that the circulating fuel sucking pipe (60) and circulation
Oil return pipe (70) is diagonally positioned.
7. fuel oil circulated filter system according to claim 6, it is characterised in that also include：
Stop valve (50), is arranged in the circulating fuel sucking pipe (60), the break-make for controlling the circulation oil transportation circuit.
8. a kind of fuel tank, it is characterised in that the fuel tank is configured with the fuel oil circulating filtration described in any one of claim 1 to 7
System.
9. a kind of engineering machinery, it is characterised in that the engineering machinery is configured with the fuel tank described in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410371224.3A CN104265528B (en) | 2014-07-31 | 2014-07-31 | Fuel oil circulated filter system, fuel tank and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410371224.3A CN104265528B (en) | 2014-07-31 | 2014-07-31 | Fuel oil circulated filter system, fuel tank and engineering machinery |
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| Publication Number | Publication Date |
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| CN104265528A CN104265528A (en) | 2015-01-07 |
| CN104265528B true CN104265528B (en) | 2017-07-14 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715432A (en) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | Oil product circular purifying device based on universal rotary filter |
| PL437677A1 (en) * | 2019-06-18 | 2021-11-29 | Nippon Yusen Kabushiki Kaisha | Fuel purification system and ship |
| CN110410248A (en) * | 2019-06-19 | 2019-11-05 | 三一重机有限公司 | Engine fuel oil system and engineering machinery |
| CN115949501A (en) * | 2022-12-01 | 2023-04-11 | 麦格思维特(上海)流体工程有限公司 | GDI assembly test system |
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| CN102518536A (en) * | 2011-12-07 | 2012-06-27 | 三一重机有限公司 | Fuel oil filtering system for hydraulic excavator |
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| DE19549192A1 (en) * | 1995-12-30 | 1997-07-03 | Bosch Gmbh Robert | Device for delivering fuel from a storage pot to the internal combustion engine of a motor vehicle |
| DE19628591A1 (en) * | 1996-07-16 | 1998-01-22 | Knecht Filterwerke Gmbh | 3/2-way valve for a fuel supply device of an injection internal combustion engine |
| ITRE20020013A1 (en) * | 2002-02-04 | 2003-08-04 | Ufi Universal Filter Int Spa | DEVICE TO PURGE SEPARATION WATER FROM A FUEL FILTER |
| US7779818B2 (en) * | 2007-07-12 | 2010-08-24 | Caterpillar Inc. | System and method for priming a fluid system |
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| CN203655488U (en) * | 2013-10-30 | 2014-06-18 | 徐州徐工挖掘机械有限公司 | Engineering machinery fuel tank |
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| CN102518536A (en) * | 2011-12-07 | 2012-06-27 | 三一重机有限公司 | Fuel oil filtering system for hydraulic excavator |
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