CN216407368U - High-pressure fuel oil supply device - Google Patents
High-pressure fuel oil supply device Download PDFInfo
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- CN216407368U CN216407368U CN202122816468.6U CN202122816468U CN216407368U CN 216407368 U CN216407368 U CN 216407368U CN 202122816468 U CN202122816468 U CN 202122816468U CN 216407368 U CN216407368 U CN 216407368U
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Abstract
The utility model provides a high-pressure fuel oil supply device, which realizes that the output fuel oil pressure range of the high-pressure fuel oil supply device can be adjusted; the output fuel flow range of the high-pressure fuel oil supply device can be adjusted; the safety protection of the high-pressure fuel oil supply device is realized. It includes: the hydraulic oil station comprises an oil tank and an oil pumping assembly hydraulic control module, wherein the oil pumping assembly hydraulic control module comprises a first one-way valve, a first overflow valve, a first one-way throttle valve, a second one-way throttle valve, a pressure reducing valve, an electromagnetic directional valve and a high-pressure filter; the fuel oil booster pump is specifically a double-medium booster pump; the fuel safety control module is internally provided with a second overflow valve; the oil pumping assembly pumps hydraulic oil in the oil tank into an input end of the first one-way valve, an output end of the first one-way valve is connected with an oil outlet pipeline and an oil return overflow pipeline, the oil outlet pipeline is connected to a P port of the electromagnetic directional valve, and an A port of the electromagnetic directional valve is connected to an inlet of the pressure reducing valve.
Description
Technical Field
The utility model relates to the technical field of fuel oil supply, in particular to a high-pressure fuel oil supply device.
Background
The main engine needs to be frequently started in order to avoid other ships and to avoid the need for berthing in a waterway, particularly a port with a narrow water area. When the ship main engine in a certain age is used, the main engine is out of control and cannot be started normally due to the reasons that the leakage amount of a main engine fuel system is increased, the amount of a ship auxiliary engine gas cylinder is small and the like. A set of high-pressure fuel oil supply device is required to be added in a main engine fuel oil system to prevent the failure of starting the engine normally. The technical scheme is that the fuel common rail pressure is pre-established before the main engine is started to reach the starting pressure of the fuel injector, so that the influence caused by the increase of the leakage amount of a fuel system and the insufficient capacity of a gas cylinder is compensated, and the normal starting is ensured.
At present, a main engine of a ship mostly adopts a high-pressure fuel oil supply mode of a cam-driven single plunger pump, and the main engine has a large structural volume and a complex oil pipeline interface, so that the main engine is not beneficial to installation and use in a narrow space of the main engine.
Therefore, a high-pressure fuel oil supply device which occupies a small volume is urgently needed to be developed.
Disclosure of Invention
In view of the above problems, the present invention provides a high-pressure fuel oil supply apparatus, which realizes that the output fuel oil pressure range of the high-pressure fuel oil supply apparatus can be adjusted; the output fuel flow range of the high-pressure fuel oil supply device can be adjusted; the safety protection of the high-pressure fuel oil supply device is realized.
High-pressure fuel oil supply unit, its characterized in that, it includes:
the hydraulic oil station comprises an oil tank and an oil pumping assembly
The hydraulic control module comprises a first one-way valve, a first overflow valve, a first one-way throttle valve, a second one-way throttle valve, a pressure reducing valve, an electromagnetic directional valve and a high-pressure filter;
the fuel oil booster pump is specifically a double-medium booster pump;
the fuel safety control module is internally provided with a second overflow valve;
the oil pumping assembly pumps hydraulic oil in the oil tank into an input end of the first check valve, an output end of the first check valve is connected with an oil outlet pipeline and an oil return overflow pipeline, the oil outlet pipeline is connected to a P port of the electromagnetic directional valve, an A port of the electromagnetic directional valve is connected to an inlet of the pressure reducing valve, an outlet of the pressure reducing valve is connected to an inlet of the first one-way throttle valve, a return port of the pressure reducing valve is connected to an oil return pipe, an outlet of the first one-way throttle valve is connected to a hydraulic oil inlet of the dual-medium booster pump after the high-pressure filter, fuel oil is introduced into a fuel oil port of the dual-medium booster pump, a high-pressure fuel oil outlet of the dual-medium booster pump is connected to an oil inlet of the fuel oil safety control module through a fuel oil pipeline, an overflow end of the second overflow valve is connected with a fuel oil leakage port, and the second overflow valve discharges a fuel oil part higher than set pressure in an overflow mode, the output port of the fuel safety control module outputs high-pressure fuel;
and a hydraulic oil outlet of the double-medium booster pump is connected to the second one-way throttle valve and then connected to the port B of the electromagnetic directional valve, a port T of the electromagnetic directional valve is connected to the oil tank through an oil return pipe, and an oil return overflow pipeline is connected to the first overflow valve and then connected to the oil return pipe.
It is further characterized in that:
the hydraulic control module further comprises a second one-way valve and a water cooler, the hydraulic oil station further comprises a circulating pump oil assembly, the circulating pump oil assembly pumps oil in an oil tank into the second one-way valve and then is connected into a first medium inlet of the water cooler, a first medium outlet of the water cooler is communicated into the oil tank through a return pipeline, water is communicated into a second medium inlet of the water cooler, water flows out of a second medium outlet of the water cooler, and the temperature of the hydraulic oil is guaranteed through heat exchange between the water and the hydraulic oil;
the hydraulic control module further comprises a third one-way valve, and the output end of the circulating oil pump assembly is connected to an oil return pipeline through the third one-way valve, so that natural pressure relief in a high-pressure state is ensured;
the hydraulic oil station also comprises an oil return filter, and the output tail end of the oil return pipe is connected with the oil return filter;
the fuel safety module is characterized in that a pipeline switch is arranged on the fuel pipeline, a pipeline for debugging is further arranged on the fuel safety module, the output end of the pipeline for debugging is led into the fuel leakage port through a ball valve, the pipeline switch is closed in a debugging state, fuel is discharged by opening the ball valve, and the ball valve is in a closing state in a normal working state;
the hydraulic control module and the fuel safety control block are integrated through an integrated block in a combined mode, control valve members and inspection elements corresponding to the hydraulic control module and the fuel safety control block are integrated in the integrated block, an oil way is arranged inside the integrated block, and the hydraulic control module and the fuel safety control block are convenient, fast and reliable to assemble.
After the structure of the utility model is adopted, the fuel oil is pressurized by the hydraulic oil and then output, and the high-pressure fuel oil is output after the safety oil pressure is ensured by the fuel oil safety control module; the output fuel pressure range of the high-pressure fuel oil supply device can be adjusted; the output fuel flow range of the high-pressure fuel oil supply device can be adjusted; the safety protection of the high-pressure fuel oil supply device is realized.
Drawings
FIG. 1 is a schematic block diagram of a front view configuration of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the system comprises a hydraulic oil station 100, a hydraulic control module 200, a fuel oil booster pump 300, a fuel oil safety control module 400 and an electric control module 500;
the system comprises an oil tank 1, an oil pumping assembly 2, a first check valve 3, a first overflow valve 4, a first check throttle valve 5, a second check throttle valve 6, a pressure reducing valve 7, an electromagnetic directional valve 8, a high-pressure filter 9, a double-medium booster pump 10, a second overflow valve 11, a second check valve 12, a water cooler 13, a ball valve 14, a ball valve 15, a third check valve 16, a circulating oil pump assembly 17, an oil return filter 18, a pipeline switch 19, a pipeline for debugging 20, a ball valve 21, a liquid level switch 22, a liquid level meter 23, an air filter 24, a temperature sensor 25, an oil absorption filter core 26, a motor 27, a coupler 28 and a bell-shaped cover 29.
Detailed Description
A high pressure fuel supply apparatus, see fig. 1, comprising:
the hydraulic oil station 100 comprises an oil tank 1 and an oil pumping assembly 2
The hydraulic control module 200 comprises a first one-way valve 3, a first overflow valve 4, a first one-way throttle valve 5, a second one-way throttle valve 6, a pressure reducing valve 7, an electromagnetic directional valve 8 and a high-pressure filter 9;
a fuel booster pump 300, specifically a dual medium booster pump 10;
a fuel safety control module 400 in which a second overflow valve 11 is built;
the oil pumping assembly 2 pumps hydraulic oil in an oil tank 1 into an input end of a first check valve 3, an output end of the first check valve 3 is connected with an oil outlet pipeline and an oil return overflow pipeline, the oil outlet pipeline is connected to a P port of an electromagnetic directional valve 8, an A port of the electromagnetic directional valve 8 is connected to an inlet of a pressure reducing valve 7, an outlet of the pressure reducing valve 7 is connected to an inlet of a first one-way throttle valve 5, a return port of the pressure reducing valve 7 is connected to an oil return pipe, an outlet of the first one-way throttle valve 5 is connected to a hydraulic oil inlet of a dual-medium booster pump 10 after being connected to a high-pressure filter 9, fuel oil is introduced into a fuel oil port of the dual-medium booster pump 10, a high-pressure fuel oil outlet of the dual-medium booster pump 10 is connected to an oil inlet of a fuel oil safety control module 400 through a fuel oil pipeline, an overflow end of a second overflow valve 11 is connected to a fuel oil leakage port, the second overflow valve 11 overflows and discharges a fuel oil part higher than a set pressure, and an output port of the fuel oil safety control module 400 outputs high-pressure fuel oil;
a hydraulic oil outlet of the double-medium booster pump 10 is connected to a second one-way throttle valve 6 and then connected to a port B of the electromagnetic directional valve 8, a port T of the electromagnetic directional valve 8 is connected to the oil tank 1 through an oil return pipe, and an oil return overflow pipeline is connected to a first overflow valve and then connected to an oil return pipe 4.
The hydraulic control module 200 further comprises a second one-way valve 12 and a water cooler 13, the hydraulic oil station 100 further comprises a circulating pump oil assembly 17, the circulating pump oil assembly 17 pumps oil in the oil tank 1 into the second one-way valve 12 and then is connected to a first medium inlet of the water cooler 13, a first medium outlet of the water cooler 13 is introduced into the oil tank 1 through a return pipeline, a second medium inlet of the water cooler 13 is introduced into water through a ball valve 14, a second medium outlet of the water cooler 13 flows out of water through a ball valve 15, and the water cooler 13 takes away the temperature of hydraulic oil through heat exchange, so that the temperature balance of a hydraulic system is ensured;
the hydraulic control module 200 further comprises a third one-way valve 16, and the output end of the circulating oil pump assembly 17 is connected to an oil return pipeline through the third one-way valve 16, so that natural pressure relief in a high-pressure state is ensured;
the hydraulic oil station 100 further comprises an oil return filter 18, and the output tail end of the oil return pipe is connected with the oil return filter 18; the oil return filter 18 filters micro-impurities in the hydraulic oil to ensure the cleanliness of the hydraulic oil;
the fuel oil safety module is characterized in that a pipeline switch 19 is arranged on the fuel oil pipeline, a pipeline 20 for debugging is also arranged on the fuel oil safety module, the output end of the pipeline 20 for debugging is led into a fuel oil leakage port through a ball valve 21, the pipeline switch 19 is closed in the debugging state, the fuel oil is discharged by opening the ball valve 21, and the ball valve 21 is in the closing state in the normal working state;
the hydraulic control module 200 and the fuel safety control block 400 are respectively integrated by combining the respective integrated blocks, control valve members and check elements corresponding to the hydraulic control module 200 and the fuel safety control block 400 are integrated in the integrated blocks, the check elements comprise a pressure gauge and a pressure sensor, and an oil way is arranged inside the integrated blocks, so that the assembly is convenient, rapid and reliable.
In specific implementation, the hydraulic oil station 100 further comprises a liquid level switch 22, a liquid level meter 23, an air filter 24 and a temperature sensor 25; the oil tank 1 is used for storing hydraulic oil; the liquid level meter 23 is used for displaying the liquid level height of the oil tank; the liquid level switch 22 outputs a switching value signal when the oil in the oil tank 1 reaches a certain low liquid level; the temperature sensor 25 detects the oil temperature of the oil tank and converts the oil temperature into analog quantity to be output; the air filter 24 filters air entering the fuel tank; the oil pumping assembly 2 and the circulating oil pumping assembly 17 respectively comprise an oil suction filter core 26, a motor 27, a coupling 28 and a bell jar 29; the oil suction filter element 26 is used for filtering oil in the suction pump; the motor 27 drives the oil pump to work; the coupling 28 and bell housing 29 serve to elastically couple the motor shaft and the oil pump shaft, transmit load, and fix the motor 27 and the oil pump.
When the intelligent air conditioner is specifically implemented, the intelligent air conditioner further comprises an electric control module 500, wherein the electric control module 500 comprises an electric control box, an air switch, an alternating current contactor, a thermal relay, a switching power supply, an intermediate relay and a secondary instrument. The control of starting and stopping the hydraulic oil motor pump set, the automatic starting and stopping of the cooling oil motor pump set and the emergency stop control of the high-pressure fuel oil supply device are realized. The logic safety protection and control of high pressure of hydraulic oil, high temperature of hydraulic oil, low hydraulic pressure of a hydraulic oil tank and high pressure of high pressure fuel oil are realized.
The working principle is as follows: the double-medium booster pump is simple in structure, convenient and reliable in oil path connection, and adjusts the pressure and flow of the driving hydraulic oil; the output fuel pressure range of the high-pressure fuel oil supply device can be adjusted; the output fuel flow range of the high-pressure fuel oil supply device can be adjusted; the safety protection of the high-pressure fuel oil supply device is realized.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. High-pressure fuel oil supply unit, its characterized in that, it includes:
the hydraulic oil station comprises an oil tank and an oil pumping assembly
The hydraulic control module comprises a first one-way valve, a first overflow valve, a first one-way throttle valve, a second one-way throttle valve, a pressure reducing valve, an electromagnetic directional valve and a high-pressure filter;
the fuel oil booster pump is specifically a double-medium booster pump;
the fuel safety control module is internally provided with a second overflow valve;
the oil pumping assembly pumps hydraulic oil in the oil tank into an input end of the first check valve, an output end of the first check valve is connected with an oil outlet pipeline and an oil return overflow pipeline, the oil outlet pipeline is connected to a P port of the electromagnetic directional valve, an A port of the electromagnetic directional valve is connected to an inlet of the pressure reducing valve, an outlet of the pressure reducing valve is connected to an inlet of the first one-way throttle valve, a return port of the pressure reducing valve is connected to an oil return pipe, an outlet of the first one-way throttle valve is connected to a hydraulic oil inlet of the dual-medium booster pump after the high-pressure filter, fuel oil is introduced into a fuel oil port of the dual-medium booster pump, a high-pressure fuel oil outlet of the dual-medium booster pump is connected to an oil inlet of the fuel oil safety control module through a fuel oil pipeline, an overflow end of the second overflow valve is connected with a fuel oil leakage port, and the second overflow valve discharges a fuel oil part higher than set pressure in an overflow mode, the output port of the fuel safety control module outputs high-pressure fuel;
and a hydraulic oil outlet of the double-medium booster pump is connected to the second one-way throttle valve and then connected to the port B of the electromagnetic directional valve, a port T of the electromagnetic directional valve is connected to the oil tank through an oil return pipe, and an oil return overflow pipeline is connected to the first overflow valve and then connected to the oil return pipe.
2. A high-pressure fuel supply apparatus as set forth in claim 1, wherein: the hydraulic control module is characterized by further comprising a second one-way valve and a water cooler, the hydraulic oil station is further comprising a circulating pump oil assembly, the circulating pump oil assembly is connected into a first medium inlet of the water cooler after oil in the oil tank is pumped into the second one-way valve, a first medium outlet of the water cooler is communicated into the oil tank through a backflow pipeline, water is communicated into a second medium inlet of the water cooler, and water flows out of a second medium outlet of the water cooler.
3. A high-pressure fuel supply apparatus as set forth in claim 1, wherein: the hydraulic control module further comprises a third one-way valve, and the output end of the circulating oil pump assembly is connected to the oil return pipeline through the third one-way valve.
4. A high-pressure fuel supply apparatus as set forth in claim 1, wherein: the hydraulic oil station further comprises an oil return filter, and the output tail end of the oil return pipe is connected with the oil return filter.
5. A high-pressure fuel supply apparatus as set forth in claim 1, wherein: the fuel safety module is characterized in that a pipeline switch is arranged on the fuel pipeline, the fuel safety module is further provided with a pipeline for debugging, the output end of the pipeline for debugging is led into the fuel leakage port through the ball valve, the pipeline switch is closed in a debugging state, fuel is discharged by opening the ball valve, and the ball valve is in a closed state in a normal working state.
6. A high-pressure fuel supply apparatus as set forth in claim 1, wherein: the hydraulic control module and the fuel safety control block are combined and integrated through an integrated block, control valve members and check elements corresponding to the hydraulic control module and the fuel safety control block are integrated in the integrated block, and an oil way is arranged inside the integrated block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122816468.6U CN216407368U (en) | 2021-11-17 | 2021-11-17 | High-pressure fuel oil supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122816468.6U CN216407368U (en) | 2021-11-17 | 2021-11-17 | High-pressure fuel oil supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407368U true CN216407368U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122816468.6U Active CN216407368U (en) | 2021-11-17 | 2021-11-17 | High-pressure fuel oil supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216407368U (en) |
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2021
- 2021-11-17 CN CN202122816468.6U patent/CN216407368U/en active Active
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