CN210622950U - Fuel system of diesel engine for ultralow temperature - Google Patents
Fuel system of diesel engine for ultralow temperature Download PDFInfo
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- CN210622950U CN210622950U CN201921370809.8U CN201921370809U CN210622950U CN 210622950 U CN210622950 U CN 210622950U CN 201921370809 U CN201921370809 U CN 201921370809U CN 210622950 U CN210622950 U CN 210622950U
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- heater
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Abstract
The utility model discloses a diesel engine fuel oil system for ultra-low temperature, which relates to the technical field of diesel engine fuel oil systems and comprises a diesel engine and a fuel tank communicated with the diesel engine through an oil pipe pipeline, wherein a heater is connected between the diesel engine and the fuel tank through a water pipe pipeline, and the heater is connected with a low-temperature fuel tank through an oil pipe pipeline; the low-temperature fuel tank is provided with a three-way ball valve, the fuel tank and the low-temperature diesel fuel tank are connected in parallel through the three-way ball valve, and the three-way ball valve is communicated with the diesel engine through a first fuel pipe; compared with the prior art, the heater system is additionally arranged on the existing fuel oil system, the heating system is started at the ultralow temperature, the fuel oil is heated in a heat exchange mode with the fuel oil, the frozen fuel oil is recovered to be in a liquid state, and the fuel oil system and the water heat dissipation system of the diesel engine are perfectly combined together and interact with each other.
Description
Technical Field
The utility model belongs to the technical field of the diesel engine fuel oil system technique and specifically relates to a diesel engine fuel oil system is used to ultra-low temperature.
Background
According to the freezing point of diesel oil, the domestic light diesel oil is divided into 6 labels: 5#, 0#, -10#, -20#, -35#, 50#, wherein 0# diesel oil is the most widely used. The solidifying point of the diesel oil depends on the environment temperature, so that the proper diesel oil needs to be selected under different environment temperatures, and the general applicable temperatures of different diesel oils are as follows:
note: the system mainly solves the problem of low-temperature use of diesel oil, and does not explain the application of the system to high temperature.
At present, different diesel fuels are mainly selected in the market according to the use conditions, most diesel engine fuel systems are shown in figure 1 and have very simple structures, the main structure is that the diesel engine fuel systems are composed of a diesel engine 11, a fuel filter 12, an oil suction pipe 13, a fuel tank 14 and an oil return pipe 15, fuel flows out of the fuel tank 14, flows through the oil suction pipe 13, is filtered by the fuel filter 12, then enters the diesel engine 11 to burn and do work, and redundant fuel returns to the fuel tank 14 from the diesel engine 11 through the oil return pipe 15. The diesel oil used by the fuel oil system is limited by the influence of the environmental temperature, the lower the freezing point, the higher the price of the diesel oil, the greater the variation of the use cost of users in summer and winter, and even some regions can not buy proper diesel oil at all.
SUMMERY OF THE UTILITY MODEL
The utility model provides a diesel engine fuel oil system is used to ultra-low temperature, it can solve current diesel engine fuel oil system winter and summer need use the problem that the diesel oil of different reference numerals could normal operating.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the diesel engine and the fuel tank are connected with each other through a water pipe, and the heater is connected with the low-temperature fuel tank through an oil pipe; the low-temperature fuel tank is provided with a three-way ball valve, the three-way ball valve connects the fuel tank with the low-temperature fuel tank in parallel, and the three-way ball valve is communicated with the diesel engine through a first fuel pipe.
In the above technical solution, a more specific solution may also be: the fuel tank is communicated with the three-way ball valve through a third fuel pipe.
Further: and an oil pipe of the low-temperature fuel tank is communicated with a heater oil inlet of the heater.
Further: the diesel engine is characterized in that a first water pipe of the diesel engine is connected with a heater water inlet of the heater, a heater water outlet of the heater is connected with a fuel tank water inlet of the fuel tank through a second water pipe, and a fuel tank water outlet of the fuel tank is connected with the diesel engine through a third water pipe.
Further: and a water heating fuel sensor assembly is arranged in the fuel tank.
Further: and a water heating pipe of the water heating fuel sensor assembly is coiled outside the fuel pipe, and two pipe openings of the water heating pipe are respectively communicated with a fuel tank water inlet and a fuel tank water outlet of the fuel tank.
Due to the adoption of the technical scheme, compared with the prior art, the utility model, have following beneficial effect:
1. because the heater system is additionally arranged on the existing fuel oil system, the heating system is started firstly at ultralow temperature, and the fuel oil is heated in a heat exchange mode with the fuel oil, so that the frozen fuel oil is recovered to be in a liquid state, and the system perfectly combines the fuel oil system and the water heat dissipation system of the diesel engine together and mutually interacts.
2. The use of 0# diesel oil under the ultralow temperature condition is realized, and the use cost of users is greatly reduced.
3. The 0# diesel is the most widely used diesel, and the application range of the machine is greatly improved.
Drawings
Fig. 1 is a schematic view of a prior art structure.
Fig. 2 is a schematic structural diagram of the present invention.
The serial numbers are as follows:
the system comprises a low-temperature fuel tank 01, a fuel tank 02, a water heating fuel sensor assembly 03, a diesel engine 04, a first water pipe 05-1, a second water pipe 05-2, a third water pipe 05-3, a heater 06, an oil pipe 07, a first fuel pipe 08-1, a second fuel pipe 08-2, a third fuel pipe 08-3, a heater oil inlet 09, a heater water inlet 10, a heater water outlet 11, a fuel tank water inlet 12, a fuel tank water outlet 13 and a three-way ball valve 14.
Detailed Description
The present invention will be described in further detail with reference to the following examples. However, the present invention is not limited to the following examples.
In the embodiment shown in fig. 2, the system is divided into two parts according to media, and different media of the fuel system and the water heating system are not communicated with each other. The low-temperature diesel oil tank 01 stores low-temperature diesel oil which is suitable for corresponding low-temperature environments, and the fuel tank 02 stores 0# diesel oil which is connected in parallel through a three-way ball valve 14 and a third fuel oil pipe 08-3; the concrete structure of this system does: the diesel engine comprises a diesel engine 04, a fuel tank 02 and a low-temperature fuel tank 01 which are communicated with the diesel engine through a first fuel pipe 08-1, a three-way ball valve 14 and a second fuel pipe 08-2, wherein the diesel engine 04 is communicated with the fuel tank 02 or the low-temperature fuel tank 01 through manual control of the three-way ball valve, a fuel tank 0 is communicated with the three-way ball valve 14 through a third fuel pipe 08-3, a heater 06 is connected between the diesel engine 04 and the fuel tank 02 through a water pipe, and the heater is connected with the low-temperature fuel tank 01 through a fuel pipe; an oil pipe 07 of a low-temperature fuel tank 01 is communicated with a heater oil inlet 09 of a heater 06, a first water pipe 05-1 of a diesel engine 04 is connected with a heater water inlet 11 of the heater 06, a heater water outlet 10 of the heater 06 is connected with a fuel tank water inlet 12 of a fuel tank 02 through a second water pipe 05-2, a fuel tank water outlet 13 of the fuel tank 02 is connected with the diesel engine 04 through a third water pipe 05-3, a water heating fuel sensor assembly 03 is arranged in the fuel tank 02, a water heating pipe of the water heating fuel sensor assembly 03 is coiled outside the oil pipe, and two pipe orifices of the water heating pipe are respectively communicated with the fuel tank water inlet 12 and the fuel tank water outlet 13 of the fuel tank.
When the low-temperature diesel oil heater works, the heater 06 is started, low-temperature diesel oil in the low-temperature fuel tank 01 enters the heater 06 from the heater oil inlet 09 through the oil pipe 07 to be combusted, then the heater 06 sucks cooling liquid from the diesel engine 04, and the cooling liquid enters the heater 06 from the heater water inlet 10 through the first water pipe 05-1. In a water jacket of the heater 06, low-temperature cooling liquid exchanges heat with burning diesel oil, the cooling liquid flows out from a water outlet 11 of the heater after being heated, the cooling liquid flows to the water heating fuel sensor assembly 03 from the heater 06, the cooling liquid enters from a water inlet 12 of a fuel tank and flows out from a water outlet 13 of the fuel tank, and a cycle is completed in a water heating pipe. Since the water heating pipe is located inside the 0# diesel tank 02, the heated coolant exchanges heat with the diesel in the 0# diesel tank. After flowing out from the water outlet, the cooling liquid enters the diesel engine 04, circularly flows in a water jacket of the diesel engine 04, heats the body of the diesel engine 04, then flows out, and enters the heater 06 again to perform the next round of system heating process.
After the heater 06 works for a period of time, diesel oil in the body of the diesel engine 04 and the fuel tank 02 filled with 0# diesel oil is heated to a certain temperature, the diesel engine 04 is started, and low-temperature fuel oil in the low-temperature fuel tank 01 enters the diesel engine 04 through the three-way ball valve 14 and the first fuel oil pipe 08-1 to perform combustion and work. The internal combustion of the diesel engine 04 applies work to generate a large amount of heat to heat the cooling liquid, at the moment, the heater 06 is turned off, at the moment, the low-temperature cooling liquid enters the internal part of the diesel engine 04 through the third water pipe 05-3 to perform heat exchange, the low-temperature cooling liquid flows to the water heating fuel sensor assembly 03 after being heated, the cooling liquid enters from the water inlet 12 of the fuel tank and flows out from the water outlet 13 of the fuel tank, a circulation is completed in the water heating pipe, and the heated cooling liquid and the 0# diesel oil in the fuel tank 02 perform heat exchange.
After the diesel engine 04 is started and operated for a period of time, when the 0# diesel oil in the fuel tank 02 is completely in a liquid state, the diesel engine 04 can suck the diesel oil from the fuel tank 02 through the third fuel pipe 08-3, the three-way ball valve 14 and the first fuel pipe 08-01 to do work by combustion by switching the three-way ball valve 14. The surplus diesel oil flows back to the fuel tank 02 through the second fuel pipe 08-2. At the moment, the machine can work in a low-temperature environment by using 0# diesel oil. The virtuous cycle realizes solving the use problem of 0# diesel oil under the ultralow temperature condition and reducing the use cost of users.
Claims (6)
1. The utility model provides a diesel engine fuel oil system for ultra-low temperature, includes diesel engine (04) and fuel tank (02) through oil pipe way and this diesel engine intercommunication, its characterized in that: a heater (06) is connected between the diesel engine (04) and the fuel tank (02) through a water pipe pipeline, and the heater is connected with a low-temperature fuel tank (01) through an oil pipe pipeline; the low-temperature fuel tank (01) is provided with a three-way ball valve (14), the fuel tank (02) and the low-temperature fuel tank (01) are connected in parallel through the three-way ball valve, and the three-way ball valve (14) is communicated with the diesel engine (04) through a first fuel pipe (08-1).
2. The ultra-low temperature diesel fuel system as set forth in claim 1, wherein: the fuel tank (02) is communicated with the three-way ball valve (14) through a third fuel pipe (08-3).
3. The ultra-low temperature diesel fuel system as set forth in claim 1, wherein: an oil pipe (07) of the low-temperature fuel tank (01) is communicated with a heater oil inlet (09) of the heater (06).
4. The fuel system of a diesel engine for ultra-low temperatures according to claim 2 or 3, characterized in that: the diesel engine is characterized in that a first water pipe (05-1) of the diesel engine (04) is connected with a heater water inlet (11) of the heater (06), a heater water outlet (10) of the heater (06) is connected with a fuel tank water inlet (12) of the fuel tank (02) through a second water pipe (05-2), and a fuel tank water outlet (13) of the fuel tank (02) is connected with the diesel engine (04) through a third water pipe (05-3).
5. The ultra-low temperature diesel fuel system as set forth in claim 4, wherein: and a water heating fuel sensor assembly (03) is arranged in the fuel tank (02).
6. The ultra-low temperature diesel fuel system as set forth in claim 5, wherein: a water heating pipe of the water heating fuel sensor assembly (03) is coiled outside the fuel tank, and two pipe openings of the water heating pipe are respectively communicated with a fuel tank water inlet (12) and a fuel tank water outlet (13) of the fuel tank (02).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921370809.8U CN210622950U (en) | 2019-08-22 | 2019-08-22 | Fuel system of diesel engine for ultralow temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921370809.8U CN210622950U (en) | 2019-08-22 | 2019-08-22 | Fuel system of diesel engine for ultralow temperature |
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| Publication Number | Publication Date |
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| CN210622950U true CN210622950U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921370809.8U Active CN210622950U (en) | 2019-08-22 | 2019-08-22 | Fuel system of diesel engine for ultralow temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049740A (en) * | 2020-09-18 | 2020-12-08 | 郭步春 | Method for unfreezing oil way of diesel vehicle |
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2019
- 2019-08-22 CN CN201921370809.8U patent/CN210622950U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049740A (en) * | 2020-09-18 | 2020-12-08 | 郭步春 | Method for unfreezing oil way of diesel vehicle |
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