CN111219276A - Fuel oil conveying system and control method thereof - Google Patents
Fuel oil conveying system and control method thereof Download PDFInfo
- Publication number
- CN111219276A CN111219276A CN202010101429.5A CN202010101429A CN111219276A CN 111219276 A CN111219276 A CN 111219276A CN 202010101429 A CN202010101429 A CN 202010101429A CN 111219276 A CN111219276 A CN 111219276A
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- fuel
- control system
- oil
- comprehensive control
- liquid level
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- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
- F02M37/0023—Valves in the fuel supply and return system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
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- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
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- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/007—Layout or arrangement of systems for feeding fuel characterised by its use in vehicles, in stationary plants or in small engines, e.g. hand held tools
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- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0076—Details of the fuel feeding system related to the fuel tank
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- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
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- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M2037/085—Electric circuits therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pipeline Systems (AREA)
Abstract
The invention relates to the field of fuel oil power generation equipment conveying systems, in particular to a fuel oil conveying system. When the oil tank liquid level is lower than the low liquid level, the electromagnetic valve can be opened through the comprehensive control system, the fuel pump is opened, fuel is supplemented into the oil tank, when the oil tank liquid level is higher than the high liquid level due to a fault, the electromagnetic valve is closed through the comprehensive control system, when the oil pressure of the oil supply pipeline is too low or higher than a first threshold value due to a system fault, the frequency converter can be adjusted through the comprehensive control system firstly, the rotating speed of the fuel pump is adjusted, the oil pressure of the oil supply pipeline is adjusted, when the oil pressure continues to rise to a second threshold value due to the fault of the frequency converter, the electromagnetic valve and the oil pump are controlled to be closed through the comprehensive control system, and the fuel conveying system. Through the improvement of the delivery system and the control method, important places can still normally operate during the failure of the fuel delivery system of the fuel power generation equipment.
Description
Technical Field
The invention relates to the field of fuel oil power generation equipment conveying systems, in particular to a fuel oil conveying system and a control method thereof.
Background
The fuel oil power generation equipment is necessary to be used as emergency power supply equipment. The fuel oil power generation equipment is often applied to important places such as hospitals, nuclear power stations, data centers and the like, and is necessary for the scheme of power supply and distribution in the current uninterrupted power supply place. Such places often have higher reliability levels, such as data centers, which adopt two mutually independent commercial power and an emergency power supply for power supply, and are a common scheme. And the whole oil transportation system thereof should meet a higher reliability level.
In the existing pipeline oil transportation scheme, simple serial pipelines are generally adopted, and when any position on the pipeline or any equipment fails, the normal operation of the system cannot be maintained, and the online maintenance cannot be performed; and for the abnormal pressure rise or abnormal pressure reduction caused by the failure of some equipment, the system cannot make judgment and treatment, and the system cannot normally operate during the failure and only can wait for manual maintenance.
In short, the fuel system of the current fuel power generation equipment cannot achieve high reliability level and on-line maintenance, and further normal operation of important places can be influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the fuel oil delivery system and the control method thereof are provided, and the problem that the normal operation of important places is influenced during the fault of the fuel oil delivery system of the existing fuel oil power generation equipment is solved.
In order to solve the technical problems, the invention adopts the technical scheme that:
a fuel oil conveying system comprises a comprehensive control system, a fuel oil storage tank, an oil supply pipeline, a frequency converter, a pressure sensor, a fuel oil pump, an oil tank, an electromagnetic valve and a liquid level sensor;
the fuel storage tank is connected to the fuel tank through an oil supply pipeline, the fuel pump is connected to the oil supply pipeline, the electromagnetic valve is connected to the oil supply pipeline, a liquid level sensor is arranged in the fuel tank, the frequency converter is electrically connected with the fuel pump, and the pressure sensor is connected to the outlet end of the fuel pump;
the fuel pump, the electromagnetic valve, the frequency converter, the pressure sensor and the liquid level sensor are respectively electrically connected with the comprehensive control system.
The control method of the fuel delivery system comprises the following steps:
the liquid level sensor sends a low liquid level signal to the comprehensive control system, and the comprehensive control system controls the electromagnetic valve to be opened and controls the fuel pump to work;
the liquid level sensor sends a high liquid level signal to the comprehensive control system, and the comprehensive control system controls the electromagnetic valve to be closed;
the pressure sensor sends a low-pressure signal to the comprehensive control system, and the comprehensive control system controls the frequency converter to increase the rotating speed of the fuel pump;
the pressure sensor sends a pressure signal higher than a first threshold value to the comprehensive control system, and the comprehensive control system controls the frequency converter to reduce the rotating speed of the fuel pump;
when the frequency converter fails, the pressure sensor sends a pressure signal higher than a second threshold value to the comprehensive control system, and the comprehensive control system controls the fuel pump to stop working.
The invention has the beneficial effects that: when the liquid level is lower than the low liquid level, the electromagnetic valve can be opened through the comprehensive control system, the fuel pump is opened, fuel is supplemented into the fuel tank, when the liquid level of the fuel tank is higher than the high liquid level due to a fault, the electromagnetic valve is closed through the comprehensive control system, when the oil pressure of the oil supply pipeline is too low or higher than a first threshold value due to a system fault, the frequency converter can be adjusted through the comprehensive control system firstly, the rotating speed of the fuel pump is adjusted, the oil pressure of the oil supply pipeline is adjusted, when the oil pressure continues to rise to a second threshold value due to the fault of the frequency converter, the comprehensive control system controls the electromagnetic valve and the oil pump to be closed, and the fuel conveying system. Through the improvement of the conveying system and the control method, under the automatic control of the comprehensive control system, any position in the fuel conveying system can be automatically regulated and controlled to maintain the normal operation and protection of the fuel conveying system, and important places can still normally operate during the failure of the fuel conveying system of the fuel power generation equipment through the improvement of the conveying system and the control method.
Drawings
Fig. 1 is a schematic structural view of a fuel delivery system according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a fuel delivery system according to embodiment 2 of the present invention;
description of reference numerals:
1. a comprehensive control system; 2. a fuel storage tank; 3. an oil supply conduit; 31. an oil supply main pipe; 32. an oil supply branch pipe; 4. a frequency converter; 5. a fuel pump; 6. an oil tank; 7. an electromagnetic valve; 8. a liquid level sensor; 9. an oil return conduit; 10. a diversion pipeline; 11. a pressure maintaining valve; 12. a flow sensor; 13. a pressure sensor.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: through the improvement of the delivery system and the control method, important places can still normally operate during the failure of the fuel delivery system of the fuel power generation equipment.
Referring to fig. 1 to 2, the present invention relates to a fuel delivery system, which includes a comprehensive control system 1, a fuel storage tank 2, a fuel supply pipeline 3, a frequency converter 4, a pressure sensor 13, a fuel pump 5, a fuel tank 6, an electromagnetic valve 7 and a liquid level sensor 8;
the fuel storage tank 2 is connected to an oil tank 6 through an oil supply pipeline 3, the fuel pump 5 is connected to the oil supply pipeline 3, the electromagnetic valve 7 is connected to the oil supply pipeline 3, a liquid level sensor 8 is arranged in the oil tank 6, the frequency converter 4 is electrically connected with the fuel pump 5, and the pressure sensor 13 is connected to the outlet end of the fuel pump 5;
the fuel pump 5, the electromagnetic valve 7, the frequency converter 4, the pressure sensor 13 and the liquid level sensor 8 are respectively electrically connected with the comprehensive control system 1.
The control method of the fuel delivery system comprises the following steps:
the liquid level sensor 8 sends a low liquid level signal to the comprehensive control system 1, and the comprehensive control system 1 controls the electromagnetic valve 7 to be opened and controls the fuel pump 5 to work;
the liquid level sensor 8 sends a high liquid level signal to the comprehensive control system 1, and the comprehensive control system 1 controls the electromagnetic valve 7 to be closed;
the pressure sensor 13 sends a low-pressure signal to the comprehensive control system 1, and the comprehensive control system 1 controls the frequency converter 4 to increase the rotating speed of the fuel pump 5;
the pressure sensor 13 sends a pressure signal higher than a first threshold value to the comprehensive control system 1, and the comprehensive control system 1 controls the frequency converter 4 to reduce the rotating speed of the fuel pump 5;
when the frequency converter 4 fails, the pressure sensor 13 sends a pressure signal higher than a second threshold value to the integrated control system 1, and the integrated control system 1 controls the fuel pump 5 to stop working.
The first threshold value may be chosen to be a certain multiple of the operating pressure, such as 1.5 times, and the second threshold value may be chosen to be a maximum safe pressure that does not damage any fluid device and retains a certain safety factor, such as 0.7 times the maximum safe pressure.
The fuel oil can be diesel oil, gasoline, kerosene, alcohol, methane or ethane and other fuels which can provide power.
From the above description, when the liquid level of the fuel tank 6 is lower than the low liquid level, the electromagnetic valve 7 can be opened through the integrated control system 1, the fuel pump 5 is opened, fuel is supplemented into the fuel tank 6, when the liquid level of the fuel tank 6 is higher than the high liquid level due to a fault, the electromagnetic valve 7 is closed through the integrated control system 1, when the oil pressure of the oil supply pipeline 3 is too low or higher than the first threshold value due to a system fault, the frequency converter 4 can be adjusted through the integrated control system 1, the rotating speed of the fuel pump 5 is adjusted, the oil pressure of the oil supply pipeline is adjusted, when the oil pressure is continuously increased to the second threshold value due to the fault of the frequency converter 4, the integrated control system 1 controls the electromagnetic valve 7 and the oil pump to be closed, and the fuel conveying.
Further, in the above fuel delivery system, the fuel supply pipeline 3 includes a fuel supply main pipe 31 and at least 2 fuel supply branch pipes 32 connected in parallel, and each fuel supply branch pipe 32 is connected to the fuel pump 5 and the electromagnetic valve 7.
Further, in the control method of the fuel delivery system, the pressure sensor 13 sends a low-pressure signal to the integrated control system 1, and the integrated control system 1 controls the standby fuel pump 5 and the electromagnetic valve 7 on one of the fuel supply branch pipes 32 to be opened.
As can be seen from the above description, by providing a plurality of oil supply branch pipes 32, the fuel pump 5 and the solenoid valve 7 on more than 1 oil supply branch pipe 32 can be selected, and when the pressure of the oil supply pipeline 3 is too low and the fuel pump 5 cannot achieve the expected oil pressure due to the failure of the corresponding frequency converter 4 or other failures, the integrated control system 1 can control to open the fuel pumps 5 and the solenoid valves 7 on other spare oil supply branch pipes 32 to increase the oil pressure.
Further, in the above fuel oil delivery system, the main fuel supply pipe is a looped fuel supply pipe formed by more than 2 pipelines.
From the above description, the main oil supply pipe is designed as a ring network formed by more than 2 pipelines, even if one pipeline is blocked, the fuel oil can still be conveyed to the oil tank 6 from other pipelines, and the change of the oil pressure caused by the blockage can be automatically adjusted by the method.
Furthermore, the fuel oil conveying system further comprises an oil return pipeline 9, one end of the oil return pipeline 9 is connected to the fuel oil storage tank 2, the other end of the oil return pipeline is connected to the fuel oil tank 6, a shunt pipeline 10 is connected between the fuel supply pipeline 3 and the oil return pipeline 9, a pressure stabilizing valve 11 is connected to the shunt pipeline 10, and a flow sensor 12 is connected to the fuel supply pipeline 3 or the shunt pipeline 10.
The above-mentioned flow distribution pipeline 10 can be provided with a check valve, so that the fuel can only flow into the return pipeline from the fuel supply pipeline 3 in one direction, and the fuel in the return pipeline is prevented from flowing back to the fuel supply pipeline 3.
Further, in the control method of the fuel oil delivery system, the pressure sensor 13 sends a pressure signal higher than a third threshold value to the integrated control system 1, the pressure stabilizing valve 11 controls the fuel oil to be shunted to the shunt pipe 10 for pressure relief and to flow back to the fuel oil storage tank 2, and the third threshold value is larger than the second threshold value.
The third threshold may be a maximum safe pressure.
As can be seen from the above description, by designing the oil return pipeline 9 and the shunt pipeline 10, and providing the pressure stabilizing valve 11 on the shunt pipeline 10, when the oil pressure of the oil supply pipeline 3 is higher than the third threshold value and the frequency converter 4 fails or the pressure of the integrated control system 1 or the fuel pump 5 fails to reduce the pressure, the pressure stabilizing valve 11 performs the functions of shunting and relieving the pressure, and directly returns part of the fuel oil to the fuel oil storage tank 2 through the return pipeline, and the flow sensor 12 is used for transmitting the flow of the oil supply pipeline 3 or the shunt pipeline 10 to the integrated control system 1 and providing flow information to ensure whether the pressure stabilizing valve 11 normally works or not.
Further, in the fuel oil delivery system, the oil return pipeline 9 is an oil return ring network formed by more than 2 pipelines.
As can be seen from the above description, the oil return pipe 9 is designed as a ring network formed by more than 2 pipelines, and even if one pipeline is blocked, the fuel can still flow back to the fuel storage tank 2 from other pipelines.
Example 1
Referring to fig. 1, a fuel delivery system includes a comprehensive control system 1, a fuel storage tank 2, a fuel supply pipeline 3, a frequency converter 4, a pressure sensor 13, a fuel pump 5, a fuel tank 6, an electromagnetic valve 7 and a liquid level sensor 8; the fuel storage tank 2 is connected to an oil tank 6 through an oil supply pipeline 3, the fuel pump 5 is connected to the oil supply pipeline 3, the electromagnetic valve 7 is connected to the oil supply pipeline 3, a liquid level sensor 8 is arranged in the oil tank 6, the frequency converter 4 is electrically connected with the fuel pump 5, and the pressure sensor 13 is connected to the outlet end of the fuel pump 5; the fuel pump 5, the electromagnetic valve 7, the frequency converter 4, the pressure sensor 13 and the liquid level sensor 8 are respectively electrically connected with the comprehensive control system 1.
The control method of the fuel delivery system comprises the following steps:
the liquid level sensor 8 sends a low liquid level signal to the comprehensive control system 1, and the comprehensive control system 1 controls the electromagnetic valve 7 to be opened and controls the fuel pump 5 to work; the liquid level sensor 8 sends a high liquid level signal to the comprehensive control system 1, and the comprehensive control system 1 controls the electromagnetic valve 7 to be closed; the pressure sensor 13 sends a low-pressure signal to the comprehensive control system 1, and the comprehensive control system 1 controls the frequency converter 4 to increase the rotating speed of the fuel pump 5; the pressure sensor 13 sends a pressure signal higher than a first threshold value to the comprehensive control system 1, and the comprehensive control system 1 controls the frequency converter 4 to reduce the rotating speed of the fuel pump 5; when the frequency converter 4 fails, the pressure sensor 13 sends a pressure signal higher than a second threshold value to the integrated control system 1, and the integrated control system 1 controls the fuel pump 5 to stop working. The first threshold value may be selected to be a specific multiple of the operating pressure and the second threshold value may be selected to be a maximum safe pressure that does not damage any fluid device and retains a certain safety factor.
In the above fuel delivery system, the fuel supply pipeline 3 includes a fuel supply main pipe 31 and at least 2 fuel supply branch pipes 32 connected in parallel, and each fuel supply branch pipe 32 is connected with a fuel pump 5 and an electromagnetic valve 7.
In the control method of the fuel delivery system, the pressure sensor 13 sends a low-pressure signal to the integrated control system 1, and the integrated control system 1 controls the standby fuel pump 5 and the electromagnetic valve 7 on one of the fuel supply branch pipes 32 to be opened.
In the fuel oil delivery system, the main oil supply pipe is an oil supply ring network formed by more than 2 pipelines.
Example 2
Referring to fig. 2, the fuel delivery system according to embodiment 1 further includes an oil return pipeline 9, one end of the oil return pipeline 9 is connected to the fuel storage tank 2, and the other end of the oil return pipeline is connected to the fuel tank 6, a shunt pipeline 10 is connected between the oil supply pipeline 3 and the oil return pipeline 9, a pressure stabilizing valve 11 is connected to the shunt pipeline 10, a flow sensor 12 is connected to the shunt pipeline 10, and the flow sensor 12 is connected in series with the pressure stabilizing valve 11. The above-mentioned flow distribution pipeline 10 can be provided with a check valve, so that the fuel can only flow into the return pipeline from the fuel supply pipeline 3 in one direction, and the fuel in the return pipeline is prevented from flowing back to the fuel supply pipeline 3.
In the control method of the fuel oil delivery system, the pressure sensor 13 sends a pressure signal higher than a third threshold value to the comprehensive control system 1, the pressure stabilizing valve 11 controls fuel oil to be shunted and decompressed to the shunt pipeline 10 and to flow back to the fuel oil storage tank 2, and the third threshold value is larger than the second threshold value.
The third threshold may be a maximum safe pressure.
In the fuel oil conveying system, the oil return pipeline is an oil return ring network formed by more than 2 pipelines.
In summary, in the fuel delivery system provided by the invention, by designing the ring-network type fuel supply pipeline and the oil return pipeline in the fuel delivery system, designing a plurality of fuel pumps, electromagnetic valves and frequency converters, arranging the liquid level sensor in the fuel tank, designing the shunt pipeline, and arranging the pressure stabilizing valve on the shunt pipeline, under the automatic control of the comprehensive control system, any position in the fuel delivery system can be automatically adjusted and controlled when a fault occurs, so that the normal operation and protection of the fuel delivery system are maintained, and important places can still normally operate when the fuel delivery system of the fuel power generation equipment fails through the improvement of the delivery system and the control method.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (8)
1. A fuel oil conveying system is characterized by comprising a comprehensive control system, a fuel oil storage tank, an oil supply pipeline, a frequency converter, a pressure sensor, a fuel oil pump, an oil tank, an electromagnetic valve and a liquid level sensor;
the fuel storage tank is connected to the fuel tank through an oil supply pipeline, the fuel pump is connected to the oil supply pipeline, the electromagnetic valve is connected to the oil supply pipeline, a liquid level sensor is arranged in the fuel tank, the frequency converter is electrically connected with the fuel pump, and the pressure sensor is connected to the outlet end of the fuel pump;
the fuel pump, the electromagnetic valve, the frequency converter, the pressure sensor and the liquid level sensor are respectively electrically connected with the comprehensive control system.
2. A method of controlling a fuel delivery system as set forth in claim 1, comprising the steps of:
the liquid level sensor sends a low liquid level signal to the comprehensive control system, and the comprehensive control system controls the electromagnetic valve to be opened and controls the fuel pump to work;
the liquid level sensor sends a high liquid level signal to the comprehensive control system, and the comprehensive control system controls the electromagnetic valve to be closed;
the pressure sensor sends a low-pressure signal to the comprehensive control system, and the comprehensive control system controls the frequency converter to increase the rotating speed of the fuel pump;
the pressure sensor sends a pressure signal higher than a first threshold value to the comprehensive control system, and the comprehensive control system controls the frequency converter to reduce the rotating speed of the fuel pump;
when the frequency converter fails, the pressure sensor sends a pressure signal higher than a second threshold value to the comprehensive control system, and the comprehensive control system controls the fuel pump to stop working.
3. A fuel delivery system according to claim 1, wherein said fuel supply line comprises a main fuel supply line and at least 2 branch fuel supply lines connected in parallel, each branch fuel supply line being connected to a fuel pump and a solenoid valve.
4. A method of controlling a fuel delivery system according to claim 3, wherein the pressure sensor sends a low pressure signal to the integrated control system which controls the opening of the fuel pump and solenoid valve in reserve in one of the fuel supply branches.
5. A fuel delivery system according to claim 3, wherein the main fuel supply pipe is a looped fuel supply network formed by more than 2 pipelines.
6. The fuel delivery system of claim 1, further comprising a fuel return line, one end of the fuel return line being connected to the fuel storage tank and the other end of the fuel return line being connected to the fuel tank, a shunt line being connected between the fuel supply line and the fuel return line, a pressure maintaining valve being connected to the shunt line, and a flow sensor being connected to the fuel supply line or the shunt line.
7. A control method for a fuel delivery system according to claim 6, characterized in that the pressure sensor sends a pressure signal to the integrated control system which is higher than a third threshold value, the pressure regulator valve controls the fuel to flow to the branch line for pressure relief and to flow back to the fuel storage tank, and the third threshold value is higher than the second threshold value.
8. The fuel delivery system of claim 1, wherein the return line is a looped return network formed from more than 2 lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010101429.5A CN111219276A (en) | 2020-02-19 | 2020-02-19 | Fuel oil conveying system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010101429.5A CN111219276A (en) | 2020-02-19 | 2020-02-19 | Fuel oil conveying system and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111219276A true CN111219276A (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010101429.5A Pending CN111219276A (en) | 2020-02-19 | 2020-02-19 | Fuel oil conveying system and control method thereof |
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| CN (1) | CN111219276A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044793A (en) * | 2021-03-24 | 2021-06-29 | 中国邮政储蓄银行股份有限公司 | Data center diesel oil supply system |
| CN116163850A (en) * | 2023-02-08 | 2023-05-26 | 沪东中华造船(集团)有限公司 | Ship module integrated electric fuel pump control device and control method |
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| US20080241634A1 (en) * | 2007-03-29 | 2008-10-02 | Samsung Sdi Co., Ltd | Pump driving module and fuel cell system equipped with the same |
| CN106744621A (en) * | 2016-12-28 | 2017-05-31 | 雷天动力设备（苏州）有限公司 | A kind of constant pressure oil supply device based on converter technique |
| CN206457243U (en) * | 2016-12-28 | 2017-09-01 | 雷天动力设备（苏州）有限公司 | Fuel tank refueling device based on converter technique |
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2020
- 2020-02-19 CN CN202010101429.5A patent/CN111219276A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001234872A (en) * | 2000-02-24 | 2001-08-31 | Hitachi Ltd | Oil feeder |
| US20080241634A1 (en) * | 2007-03-29 | 2008-10-02 | Samsung Sdi Co., Ltd | Pump driving module and fuel cell system equipped with the same |
| CN106744621A (en) * | 2016-12-28 | 2017-05-31 | 雷天动力设备（苏州）有限公司 | A kind of constant pressure oil supply device based on converter technique |
| CN206457243U (en) * | 2016-12-28 | 2017-09-01 | 雷天动力设备（苏州）有限公司 | Fuel tank refueling device based on converter technique |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044793A (en) * | 2021-03-24 | 2021-06-29 | 中国邮政储蓄银行股份有限公司 | Data center diesel oil supply system |
| CN116163850A (en) * | 2023-02-08 | 2023-05-26 | 沪东中华造船(集团)有限公司 | Ship module integrated electric fuel pump control device and control method |
| CN116163850B (en) * | 2023-02-08 | 2024-05-14 | 沪东中华造船(集团)有限公司 | Ship module integrated electric fuel pump control device and control method |
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