CN211397743U - Economical fuel system - Google Patents
Economical fuel system Download PDFInfo
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- CN211397743U CN211397743U CN202020006158.0U CN202020006158U CN211397743U CN 211397743 U CN211397743 U CN 211397743U CN 202020006158 U CN202020006158 U CN 202020006158U CN 211397743 U CN211397743 U CN 211397743U
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Abstract
The utility model relates to an economical fuel system in the technical field of fuel systems, which comprises a fuel tank, an oil suction pump, an engine, a circulating water pipeline and a radiator; the fuel oil tank is divided into a high-grade fuel oil tank and a low-grade fuel oil tank which are mutually independent, and the high-grade fuel oil tank and the low-grade fuel oil tank are respectively filled with high-grade fuel oil and low-grade fuel oil; the engine, the low-grade fuel oil tank and the radiator are sequentially connected to the circulating water pipeline in the circulating water flow direction on the whole, and the circulating water pipeline is provided with a water pump to drive circulating water to flow in the circulating water pipeline; the oil suction pump is communicated with the high-grade fuel oil tank and conveys the high-grade fuel oil to the engine in an initial state, and the oil suction pump is communicated with the low-grade fuel oil tank and conveys the low-grade fuel oil to the engine when the temperature of the low-grade fuel oil tank is raised to a usable temperature. The energy consumption can be reduced, the fuel cost can be reduced, and the effects of energy conservation and consumption reduction are achieved.
Description
Technical Field
The utility model relates to a fuel oil system technical field particularly, is a diesel oil fuel oil system.
Background
When a fuel oil system of an engine of a diesel excavator in a region with lower temperature in winter works, the engine is usually started by high-grade fuel oil, the process is that an oil suction pump is used for supplying the high-grade fuel oil (# -35 diesel oil) in an oil tank to an oil injection pump of the engine when the engine is started, the engine is cooled by a water cooling mode, the heat of cooling water is discharged by a radiator, the temperature of the cooling water can reach 70-100 ℃ when the engine is used, and the high-temperature water is cooled by the radiator and then becomes low-temperature water to continuously cool the engine.
The cooling process has the following defects: since the cooling water continuously dissipates heat, a large amount of heat is discharged, and a part of energy output from the engine is converted into heat and discharged to the atmosphere, resulting in an increase in energy consumption.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an economical fuel oil system, in short, make it reduce the energy consumption, and can reduce the fuel cost, play energy saving and consumption reduction's effect.
The purpose of the utility model is realized like this: an economical fuel oil system comprises a fuel oil tank, an oil suction pump, an engine, a circulating water pipeline and a radiator, wherein the circulating water pipeline is a closed circulating loop;
the fuel oil tank is divided into a high-grade fuel oil tank and a low-grade fuel oil tank which are mutually independent, and the high-grade fuel oil tank and the low-grade fuel oil tank are respectively filled with high-grade fuel oil and low-grade fuel oil;
the engine, the low-grade fuel oil tank and the radiator are sequentially connected to a circulating water pipeline in the circulating water flow direction on the whole, and the circulating water pipeline is provided with a water pump to drive circulating water to flow in the circulating water pipeline;
the oil suction pump is communicated with the high-grade fuel oil tank and conveys the high-grade fuel oil to the engine in an initial state, and the oil suction pump is communicated with the low-grade fuel oil tank and conveys the low-grade fuel oil to the engine when the temperature of the low-grade fuel oil tank is raised to a usable temperature.
The low-grade fuel tank is provided with a temperature sensor for monitoring the temperature of the low-grade fuel, and the temperature sensor is in electric signal connection with the ECU controller and feeds back temperature data to the ECU controller.
Furthermore, the high-grade fuel oil tank and the low-grade fuel oil tank are respectively communicated with a high-grade fuel oil delivery pipe and a low-grade fuel oil delivery pipe, and the high-grade fuel oil tank and the low-grade fuel oil tank are respectively connected with the suction end of the oil suction pump through the high-grade fuel oil delivery pipe and the low-grade fuel oil delivery pipe; the high-grade fuel delivery pipe and the low-grade fuel delivery pipe are respectively provided with a high-grade oil way electromagnetic valve and a low-grade oil way electromagnetic valve, the high-grade oil way electromagnetic valve and the low-grade oil way electromagnetic valve are in electric signal connection with an ECU controller and are controlled by the ECU controller, the high-grade oil way electromagnetic valve is conducted in an initial state, and the low-grade oil way electromagnetic valve is conducted when the low-grade fuel tank is heated to a usable temperature.
Further, the water pump is arranged on a pipe section from the engine to the low-grade fuel oil tank of the circulating water pipeline.
Furthermore, the suction end of the water pump corresponds to the engine, the pump-out end of the water pump is divided into two paths, one path is a main line and leads to the direction of the low-grade fuel oil tank, and the other path is communicated with a radiator.
Furthermore, a waterway throttling valve is arranged on the circulating water pipeline and is positioned on a line from the water pump to the low-grade fuel oil tank.
Further, the circulating water pipeline is spirally wound on the outer wall of the low-grade fuel oil tank.
Further, the low-grade fuel oil tank is arranged as a heat-conducting tank body.
Further, the circulating water pipeline is spirally wound on the engine.
The beneficial effects of the utility model reside in that:
1) the fuel cost can be reduced, the heat generated by the engine during working can be utilized to heat the low-grade fuel tank, so that the low-grade fuel is heated to the usable temperature, the fuel supply line is quickly switched to the low-grade fuel delivery pipe according to the temperature feedback of the low-grade fuel tank, and the low-grade fuel is delivered to the oil suction pump through the low-grade fuel delivery pipe, so that the use of the high-grade fuel is reduced, the fuel cost is reduced, and the low-grade fuel tank can be well adapted to the cold environment;
2) when the engine works, firstly, high-grade fuel oil is utilized to quickly start the engine, so that the engine quickly generates high heat, then, a water pump is used for driving circulating water to flow in a circulating water pipeline, so that the circulating water continuously absorbs the heat of the engine, and a low-grade fuel oil tank is gradually heated, so that the low-grade fuel oil is continuously heated until the low-grade fuel oil tank is in a usable state, then, an oil supply line is quickly switched to a low-grade fuel oil conveying pipe, the low-grade fuel oil is immediately provided for the engine, and a heating device is not required to be arranged for heating the low-grade fuel oil;
3) the ECU controller rapidly sends out a closing signal to the high-grade oil way electromagnetic valve to cut off the supply of the high-grade fuel oil, and simultaneously sends out an opening signal to the low-grade oil way electromagnetic valve rapidly to conduct the low-grade fuel oil delivery pipe so that the low-grade fuel oil is continuously supplied to an engine for use.
Drawings
Fig. 1 is a layout diagram of the present invention.
In the figure, a 1 high-grade fuel oil tank, a 2ECU controller, a 3 temperature sensor, a 4 low-grade fuel oil tank, a 5 waterway throttle valve, a 6 water pump, a 7 radiator, an 8 circulating water pipeline, a 9 engine fan, a 10 engine, an 11 oil suction pump, a 12 low-grade oil way electromagnetic valve, a 13 high-grade oil way electromagnetic valve, a 14 high-grade fuel delivery pipe and a 15 low-grade fuel delivery pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments. This embodiment is applied to the excavator, and is worth noting, the utility model discloses can also be applied to other fuel oil system.
As shown in fig. 1, the economical fuel system comprises a fuel tank, an oil suction pump 11, an engine 10, a circulating water pipeline 8 and a radiator 7, wherein the engine 10 is provided with an engine fan 9, and the circulating water pipeline 8 is a closed circulating loop.
The fuel oil tank is divided into a high-grade fuel oil tank 1 and a low-grade fuel oil tank 4 which are mutually independent, and the high-grade fuel oil tank 1 and the low-grade fuel oil tank 4 are respectively filled with high-grade fuel oil (-35 diesel oil) and low-grade fuel oil (0 diesel oil).
The engine 10, the low-grade fuel oil tank 4 and the radiator 7 are sequentially connected to a circulating water pipeline 8 integrally according to the circulating water flow direction, and the circulating water pipeline 8 is provided with a water pump 6 to drive the circulating water to flow in the circulating water pipeline 8.
The oil suction pump 11 is connected with the high-grade fuel oil tank 1 and delivers the high-grade fuel oil to the engine 10 in the initial state, and the oil suction pump 11 is connected with the low-grade fuel oil tank 4 and delivers the low-grade fuel oil to the engine 10 when the temperature of the low-grade fuel oil tank 4 is raised to the usable temperature.
The fuel system further comprises an ECU controller 2, a low-grade fuel tank 4 is provided with a temperature sensor 3 for monitoring the temperature of low-grade fuel, and the temperature sensor 3 is in electric signal connection with the ECU controller 2 and feeds back temperature data to the ECU controller 2.
The high-grade fuel oil tank 1 and the low-grade fuel oil tank 4 are respectively communicated with a high-grade fuel oil delivery pipe 14 and a low-grade fuel oil delivery pipe 15, and the high-grade fuel oil tank 1 and the low-grade fuel oil tank 4 are respectively connected with the suction end of the oil suction pump 11 through the high-grade fuel oil delivery pipe 14 and the low-grade fuel oil delivery pipe 15; the high-grade fuel delivery pipe 14 and the low-grade fuel delivery pipe 15 are respectively provided with a high-grade oil way electromagnetic valve 13 and a low-grade oil way electromagnetic valve 12, the high-grade oil way electromagnetic valve 13 and the low-grade oil way electromagnetic valve 12 are in electric signal connection with the ECU controller 2 and are controlled by the ECU controller 2, the high-grade oil way electromagnetic valve 13 is conducted in an initial state, and the low-grade oil way electromagnetic valve 12 is conducted when the low-grade fuel tank 4 is heated to a usable temperature.
The water pump 6 is arranged on a section of the circulating water pipeline 8 from the engine 10 to the low-grade fuel tank 4.
The suction end of the water pump 6 corresponds to the engine 10, the pump-out end of the water pump 6 is divided into two paths, one path is a main line and leads to the direction of the low-grade fuel oil tank 4, and the other path is communicated with the radiator 7.
And a waterway throttling valve 5 is arranged on the circulating water pipeline 8, and the waterway throttling valve 5 is positioned on a line from the water pump 6 to the low-grade fuel oil tank 4.
Because the water path throttle valve 5 is arranged, the circulating water flow on the line from the water pump 6 to the low-grade fuel oil tank 4 can be properly controlled, meanwhile, the other path of the pump-out end of the water pump 6 is communicated with the radiator 7, the circulating water flow can be formed, and the circulating water flow on the line from the water pump 6 to the low-grade fuel oil tank 4 is further stably controlled, so that the low-grade fuel oil tank 4 is prevented from being overheated.
The circulating water pipeline 8 is spirally wound on the outer wall of the low-grade fuel oil tank 4, so that the flow rate of circulating water can be properly reduced, and the low-grade fuel oil tank 4 can be fully heated.
The low-grade fuel oil tank 4 is a heat-conducting tank body. So that the heat of the circulating water can be rapidly conducted to the low-grade fuel oil, and the temperature rise process of the low-grade fuel oil is promoted.
The circulating water pipe 8 is spirally wound around the engine 10. The flow rate of the circulating water can be appropriately reduced so that the heat of the engine 10 can be sufficiently transferred to the circulating water.
When the engine 10 works, high-grade fuel oil is used firstly, and at the moment, the high-grade oil way electromagnetic valve 13 is in a conducting state, so that the high-grade fuel oil delivery pipe 14 is in a conducting state, the high-grade fuel oil tank 1 is communicated with the suction end of the oil suction pump 11 through the high-grade fuel oil delivery pipe 14, so that the high-grade fuel oil is supplied to the engine 10, the engine 10 is quickly started, and the engine 10 can quickly generate heat.
Meanwhile, the water pump 6 is started to drive circulating water to flow in the circulating water pipeline 8, so that the circulating water continuously absorbs heat of the engine 10, and the heated circulating water passes through and heats the low-grade fuel oil tank 4, so that the low-grade fuel oil is continuously heated.
When the temperature sensor 3 monitors that the temperature of the low-grade fuel oil rises to a temperature suitable for use, the ECU controller 2 rapidly sends a signal to the low-grade oil-way electromagnetic valve 12 to enable the low-grade oil-way electromagnetic valve 12 to be in a conducting state, meanwhile, the high-grade oil-way electromagnetic valve 13 is closed, only the low-grade fuel oil delivery pipe 15 is connected, and the low-grade fuel oil is supplied to the engine 10 for use, so that the fuel oil cost is reduced.
The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and such changes or improvements should fall within the protection scope of the present invention.
Claims (9)
1. An economical fuel oil system comprises a fuel oil tank, an oil suction pump (11) and an engine (10), and is characterized in that: the radiator also comprises a circulating water pipeline (8) and a radiator (7), wherein the circulating water pipeline (8) is a closed circulating loop;
the fuel oil tank is divided into a high-grade fuel oil tank (1) and a low-grade fuel oil tank (4) which are mutually independent, and the high-grade fuel oil tank (1) and the low-grade fuel oil tank (4) are respectively filled with high-grade fuel oil and low-grade fuel oil;
the engine (10), the low-grade fuel oil tank (4) and the radiator (7) are sequentially connected to the circulating water pipeline (8) integrally according to the circulating water flow direction, and the circulating water pipeline (8) is provided with a water pump (6) to drive circulating water to flow in the circulating water pipeline (8);
the oil suction pump (11) is communicated with the high-grade fuel oil tank (1) and conveys the high-grade fuel oil to the engine (10) in an initial state, and the oil suction pump (11) is communicated with the low-grade fuel oil tank (4) and conveys the low-grade fuel oil to the engine (10) when the temperature of the low-grade fuel oil tank (4) is raised to a usable temperature.
2. An economical fuel system according to claim 1, characterized in that: the low-grade fuel tank (4) is provided with a temperature sensor (3) for monitoring the temperature of the low-grade fuel, and the temperature sensor (3) is in electric signal connection with the ECU controller (2) and feeds back temperature data to the ECU controller (2).
3. An economical fuel system according to claim 2, characterized in that: the high-grade fuel oil tank (1) and the low-grade fuel oil tank (4) are respectively communicated with a high-grade fuel oil delivery pipe (14) and a low-grade fuel oil delivery pipe (15), and the high-grade fuel oil tank (1) and the low-grade fuel oil tank (4) are respectively connected with the suction end of the oil suction pump (11) through the high-grade fuel oil delivery pipe (14) and the low-grade fuel oil delivery pipe (15); the high-grade fuel delivery pipe (14) and the low-grade fuel delivery pipe (15) are respectively provided with a high-grade oil way electromagnetic valve (13) and a low-grade oil way electromagnetic valve (12), the high-grade oil way electromagnetic valve (13) and the low-grade oil way electromagnetic valve (12) are in electric signal connection with the ECU controller (2) and controlled by the ECU controller (2), the high-grade oil way electromagnetic valve (13) is conducted in an initial state, and the low-grade oil way electromagnetic valve (12) is conducted when the low-grade fuel tank (4) is heated to a usable temperature.
4. An economical fuel system according to claim 1, characterized in that: the water pump (6) is arranged on a pipe section of the circulating water pipe (8) from the engine (10) to the low-grade fuel oil tank (4).
5. An economical fuel system according to claim 4, characterized in that: the suction end of the water pump (6) corresponds to the engine (10), the pump-out end of the water pump (6) is divided into two paths, one path is a main line and leads to the direction of the low-grade fuel oil tank (4), and the other path is communicated with the radiator (7).
6. An economical fuel system according to claim 5, characterized in that: and a waterway throttling valve (5) is arranged on the circulating water pipeline (8), and the waterway throttling valve (5) is positioned on a line from the water pump (6) to the low-grade fuel oil tank (4).
7. An economical fuel system according to any one of claims 1-6, characterized in that: and the circulating water pipeline (8) is spirally wound on the outer wall of the low-grade fuel oil tank (4).
8. An economical fuel system according to claim 7, characterized in that: the low-grade fuel oil tank (4) is a heat-conducting tank body.
9. An economical fuel system according to claim 7, characterized in that: the circulating water pipeline (8) is spirally wound on the engine (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020006158.0U CN211397743U (en) | 2020-01-03 | 2020-01-03 | Economical fuel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020006158.0U CN211397743U (en) | 2020-01-03 | 2020-01-03 | Economical fuel system |
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| CN211397743U true CN211397743U (en) | 2020-09-01 |
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| CN202020006158.0U Active CN211397743U (en) | 2020-01-03 | 2020-01-03 | Economical fuel system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042966A (en) * | 2020-01-03 | 2020-04-21 | 上海电机学院 | Economical fuel system |
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- 2020-01-03 CN CN202020006158.0U patent/CN211397743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042966A (en) * | 2020-01-03 | 2020-04-21 | 上海电机学院 | Economical fuel system |
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