CN216975082U - In-line medium-speed diesel engine and fuel oil filtering device thereof - Google Patents
In-line medium-speed diesel engine and fuel oil filtering device thereof Download PDFInfo
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- CN216975082U CN216975082U CN202123077002.5U CN202123077002U CN216975082U CN 216975082 U CN216975082 U CN 216975082U CN 202123077002 U CN202123077002 U CN 202123077002U CN 216975082 U CN216975082 U CN 216975082U
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Abstract
The utility model provides an in-line medium-speed diesel engine and a fuel oil filtering device thereof, wherein the fuel oil filtering device comprises: the filter comprises an inlet end and an outlet end, the inlet end is in butt joint with the medium-speed diesel engine through a fuel pipe and a fuel stock solution collecting pipe of the filter in sequence and is used for introducing fuel stock solution; the outlet end is in butt joint with the medium-speed diesel engine through a filter fuel pipe and an engine inlet fuel pipe in sequence and is used for outputting fuel clear liquid; the differential pressure meter is connected between the inlet end and the outlet end of the filter and is used for detecting the inlet and outlet differential pressure of the filter; the fuel safety valve is arranged at the joint of the fuel pipe of the filter and the fuel pipe of the engine inlet and is used for controlling the clear liquid of the fuel to be input into the medium-speed diesel engine. The fuel oil filtering device is installed at the free end of the main engine of the medium-speed diesel engine. The utility model integrates all functional parts on the supporting assembly and arranges the functional parts on the free end surface of the diesel engine host, thereby being convenient for installation, centralized monitoring and maintenance and ensuring the stable, safe and reliable work of the diesel engine host.
Description
Technical Field
The utility model relates to the technical field of machine manufacturing, in particular to an in-line medium-speed diesel engine and a fuel oil filtering device thereof.
Background
The fuel supply system is the heart part of the diesel engine and has great influence on the dynamic property, the economy, the mechanical load, the thermal load, the working reliability and the durability of the whole engine.
The fuel supply system injects proper amount of fuel into the combustion chamber in proper time and in proper space to form mixed gas and make it burn in the most favorable condition to meet the requirement of diesel engine in power, torque, rotation speed, fuel consumption, starting and idling.
The fuel injection and combustion need to obtain higher economical efficiency and dynamic property, the combustion process must be timely, complete and stable, because the rotating speed of the medium-speed engine is higher, the fuel enters the cylinder to form extremely fine oil drops and is uniformly distributed in the combustion space, the oil drops are gasified and mixed with fresh air to form combustible mixed gas, and the combustion is completed, and the series of processes are completed within the time range of about 0.01 s. It is difficult to achieve this smoothly, which requires close coordination between fuel atomization, air movement, and the combustion chamber.
Therefore, as diesel oil influencing the combustion process of the diesel engine, the diesel oil needs to be selected and processed according to the performance requirements of the diesel engine, so that the characteristic indexes of the fuel oil meet the requirements. At present, in a medium-high speed diesel engine, a fuel oil self-cleaning filter is widely used for filtering fuel oil, and the filtering precision reaches the um level, so that the fuel oil meets the requirement of high-efficiency injection.
However, the fuel oil is filtered by using a fuel oil self-cleaning filter, and the following problems generally exist:
the diesel engine can change the fuel filter core regularly in the maintenance process, guarantees filter fineness. Traditional fuel is from clear filter is independent part, for single filter core design, in case the filter core of filter takes place to block up, must shut down the host computer, changes the fuel filter again and handles, influences power efficiency. Because the fuel filter belongs to the fuel system again, the fuel relief valve is the safety control system of diesel engine, and traditional fuel filter equipment adopts independent non-relevant mode design two components, because two component design positions are far away, the maintainer need have the target ground, according to the check project table pertinence integration inspection, the fuel oil feed condition control decentralization influences maintenance efficiency. Finally, the traditional fuel oil filtering device is often configured on a gear box of the diesel engine, the fuel oil piping system is complex in arrangement, the maintenance space is narrow, and the hidden danger of fuel oil leakage fire is caused.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an in-line medium-speed diesel engine and a fuel oil filtering device thereof.
According to one aspect of the present invention, there is provided a fuel filter arrangement for an in-line medium speed diesel engine, comprising: the fuel filter comprises a support assembly piece, a filter, a differential pressure gauge, a fuel safety valve, a fuel stock solution collecting pipe, a fuel inlet filter pipe, a fuel outlet filter pipe and a fuel inlet engine pipe, wherein the filter, the differential pressure gauge, the fuel safety valve, the fuel stock solution collecting pipe, the fuel inlet filter pipe, the fuel outlet filter pipe and the fuel inlet engine pipe are detachably arranged on the support assembly piece; wherein:
the filter comprises an inlet end and an outlet end, and the inlet end is in butt joint with the medium-speed diesel engine through the filter fuel pipe and the fuel stock solution collecting pipe in sequence and is used for introducing fuel stock solution; the outlet end is in butt joint with the medium-speed diesel engine through the filter outlet fuel oil pipe and the engine inlet fuel oil pipe in sequence and is used for outputting clear fuel oil liquid;
the pressure difference meter is connected between the inlet end and the outlet end of the filter and is used for detecting the pressure difference of the inlet and the outlet of the filter;
the fuel safety valve is arranged at the joint of the fuel pipe of the filter and the fuel pipe of the engine inlet and is used for controlling the clear liquid of the fuel to be input into the medium-speed diesel engine.
Preferably, the support assembly comprises a mounting plate and an oil leakage groove arranged below the mounting plate, and the filter, the differential pressure gauge, the fuel safety valve, the fuel stock solution collecting pipe, the fuel inlet filter pipe, the fuel outlet filter pipe and the fuel inlet engine pipe are respectively mounted on the mounting plate; and a discharge oil return pipe of the fuel safety valve extends into the oil leakage groove.
Preferably, the filter is installed at a central position of the installation plate;
the differential pressure gauge is arranged on the mounting plate and is positioned on one side of the filter;
the fuel safety valve is arranged at one corner position of the mounting plate;
the fuel stock solution collecting pipe and the fuel pipe of the filter are arranged on the mounting plate through a fixing bracket;
the filter fuel pipe is arranged on the mounting plate through a pipe clamp.
Preferably, two ends of the differential pressure gauge are respectively connected with the inlet end and the outlet end of the filter through a pipeline.
Preferably, the differential pressure gauge is provided with an alarm component.
Preferably, the alarm threshold of the alarm component is 1 bar.
Preferably, the fuel safety valve is controlled by air, when the rotating speed of the main engine of the in-line medium-speed diesel engine exceeds a set threshold value, control air is injected into the fuel safety valve, the fuel safety valve is closed at the moment, the output of clear fuel liquid is stopped, and the forced stopping operation is completed.
Preferably, the injected control air is 30 bar.
Preferably, the inlet end of the filter comprises two ports, and correspondingly, the fuel stock collecting pipe comprises two oil passages, wherein one oil passage is butted with a self-contained fuel pump of the in-line medium-speed diesel engine, and the other oil passage is butted with a fuel pre-supply pump of the in-line medium-speed diesel engine; and the external interface of the fuel stock solution collecting pipe is matched with the external interface of the oil supply equipment.
Preferably, a distribution block is arranged at the joint of the fuel stock solution collecting pipe and the fuel pipe of the filter, and the distribution block is communicated with a plurality of oil passages.
Preferably, the filter is a duplex filter; the duplex filter comprises two cavities, when one cavity is a working cavity, the other cavity is a standby cavity, and the requirement for replacing the filter element of the filter can be met under the running condition of a host.
According to another aspect of the utility model, an in-line medium speed diesel engine is provided, which comprises a medium speed diesel engine main body and the fuel filtering device connected to the free end of the medium speed diesel engine main body; wherein:
the fuel stock solution collecting pipe is butted with a fuel pump and/or a fuel pre-supply pump of the medium-speed diesel engine host machine and is used for introducing fuel stock solution from the medium-speed diesel engine host machine;
and the engine feeding fuel oil pipe is butted with a fuel injection pump of the medium-speed diesel engine host and is used for outputting fuel oil clear liquid to the medium-speed diesel engine host.
Preferably, the fuel oil filtering device is installed on the surface of the air cooler assembly connecting box of the main engine of the medium speed diesel engine.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
according to the in-line medium-speed diesel engine and the fuel oil filtering device thereof provided by the utility model, the filter reserves two fuel oil stock solution inlets which are respectively butted with the fuel oil pre-supply pump and the self-provided delivery pump, so that the oil supply double-insurance requirement of the medium-speed diesel engine is met.
The in-line medium-speed diesel engine and the fuel oil filtering device thereof provided by the utility model are provided with the independent differential pressure gauge, so that the working effect of the filter is monitored in real time.
The in-line medium-speed diesel engine and the fuel oil filtering device thereof provided by the utility model adopt an integrated mode aiming at the fuel oil filtering requirement and limited space of the in-line medium-speed diesel engine, not only meet the fuel oil filtering function, but also have the fuel oil use pressure alarming function, are safe to use and have a simple structure.
According to the in-line medium-speed diesel engine and the fuel oil filtering device thereof, provided by the utility model, all functional parts are integrated on the supporting assembly and are arranged on the free end surface of the diesel engine host, so that the installation, centralized monitoring and maintenance are convenient, and the stable, safe and reliable work of the diesel engine host is ensured.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view showing the overall structure of a fuel filter device of an in-line medium speed diesel engine according to an embodiment of the present invention.
Fig. 2 is a schematic connection diagram of the components of the fuel filter device of the in-line medium speed diesel engine according to a preferred embodiment of the utility model.
Fig. 3 is a piping layout of the fuel filter apparatus of an in-line medium speed diesel engine in accordance with a preferred embodiment of the present invention.
FIG. 4 is a schematic structural view of a support assembly in accordance with a preferred embodiment of the present invention.
FIG. 5 is a schematic structural view of a duplex strainer according to a preferred embodiment of the present invention.
FIG. 6 is a schematic view of the arrangement of the piping in a preferred embodiment of the present invention.
Fig. 7 is a schematic structural diagram of an in-line medium speed diesel engine according to an embodiment of the present invention.
In the figure, 1 is a fuel oil filtering device, 2 is a supporting assembly, 201 is a mounting plate, 202 is an oil leakage groove, 3 is a bolt, 4 is a duplex filter, 5 is a differential pressure gauge, 6 is a fuel oil safety valve, 7 is a fuel oil stock solution collecting pipe, 8 is a fuel oil pipe of an inlet filter, 9 is a fuel oil pipe of an outlet filter, 10 is a fuel oil pipe of an inlet engine, 11 is a discharge oil return pipe of the fuel oil safety valve, and 12 is a main engine of a medium-speed diesel engine.
Detailed Description
The following examples illustrate the utility model in detail: the embodiment is implemented on the premise of the technical scheme of the utility model, and a detailed implementation mode and a specific operation process are given. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the utility model, and these changes and modifications are all within the scope of the utility model.
Fig. 1 is a schematic view of the overall structure of a fuel filter device of an inline medium speed diesel engine according to an embodiment of the present invention.
As shown in fig. 1, the fuel filter device of the inline medium speed diesel engine provided by the embodiment may include: the fuel filter comprises a support assembly piece, and a filter, a differential pressure gauge, a fuel safety valve, a fuel stock solution collecting pipe, a fuel inlet filter pipe, a fuel outlet filter pipe and a fuel inlet engine pipe which are detachably arranged on the support assembly piece.
Wherein:
as shown in fig. 2 and 3, the filter comprises an inlet end and an outlet end, the inlet end is in butt joint with the medium-speed diesel engine through a fuel inlet pipe and a fuel stock solution collecting pipe of the filter in sequence and is used for introducing the fuel stock solution; the outlet end is in butt joint with the medium-speed diesel engine through a filter fuel pipe and an engine inlet fuel pipe in sequence and is used for outputting fuel clear liquid;
the differential pressure gauge is connected between the inlet end and the outlet end of the filter and is used for detecting the pressure difference of the inlet and the outlet of the filter;
the fuel safety valve is arranged at the joint of the fuel pipe of the filter and the fuel pipe of the engine inlet and is used for controlling the clear liquid of the fuel to be input into the medium-speed diesel engine.
In this embodiment, as shown in fig. 4, as a preferred embodiment, the support assembly includes a mounting plate 201 and a oil leakage groove 202 disposed below the mounting plate 201, and a filter, a differential pressure gauge, a fuel safety valve, a fuel raw liquid collecting pipe, a fuel inlet filter and a fuel outlet filter and a fuel inlet engine are respectively mounted on the mounting plate 201; the free end of the drain return pipe 11 of the fuel safety valve extends into the oil drain tank 202.
In this embodiment, as a preferred embodiment, the filter is installed at a central position of the installation plate;
the differential pressure gauge is arranged on the mounting plate and is positioned on one side of the filter;
the fuel safety valve is arranged at one corner position of the mounting plate;
the fuel stock solution collecting pipe and the fuel pipe of the filter are arranged on the mounting plate through a fixed bracket;
the filter fuel pipe is arranged on the mounting plate through a pipe clamp.
In this embodiment, as a preferred embodiment, both ends of the differential pressure gauge are connected to the inlet end and the outlet end of the filter through a pipe, respectively.
In this embodiment, as a preferred embodiment, the differential pressure gauge is provided with an alarm means.
In this embodiment, as a preferred embodiment, the alarm threshold of the alarm unit is 1 bar.
In the embodiment, as a preferable embodiment, the fuel safety valve is controlled by air, when the rotation speed of the main engine of the in-line medium-speed diesel engine exceeds a set threshold value, the fuel safety valve is closed, the output of clear fuel liquid is stopped, and the forced stop operation is completed.
In this embodiment, as a preferred embodiment, the injected control air is 30 bar.
In this embodiment, as a preferred embodiment, the inlet end of the filter comprises two ports, and correspondingly, the fuel stock collecting pipe comprises two oil passages, wherein one oil passage is butted with a self-contained fuel pump of the in-line medium-speed diesel engine, and the other oil passage is butted with a fuel pre-supply pump of the in-line medium-speed diesel engine; the external interface of the fuel stock solution collecting pipe is matched with the external interface of the oil supply equipment.
In the embodiment, as a preferable embodiment, a distribution block is arranged at the joint of the fuel stock solution collecting pipe and the fuel pipe of the filter, and the distribution block realizes communication among a plurality of oil ways.
In this embodiment, as a preferred embodiment, a duplex filter is used as the filter, as shown in fig. 5. The duplex filter comprises two chambers, when one chamber is a working chamber, the other chamber is a standby chamber, and the requirement for replacing the filter element of the filter can be met under the running condition of a host.
In the fuel oil filtering device of the in-line medium-speed diesel engine provided by the embodiment of the utility model, the supporting assembly has a combination function, on one hand, the fuel oil filtering device plays a role in integrating and fixing all the components, and on the other hand, the fuel oil filtering device has oil stain collecting and discharging functions through the design of the added oil leakage groove.
According to the fuel oil filtering device of the in-line medium-speed diesel engine provided by the embodiment of the utility model, the filter can be preferably a duplex filter, so that the filtering requirement of the in-line medium-speed diesel engine is met, when the diesel engine runs, the filter can be changed by switching the filter and replacing the filter element, the continuity of the fuel oil filtering work is ensured, and the filtering precision reaches 10 um.
The fuel oil filtering device of the in-line medium-speed diesel engine provided by the embodiment of the utility model has the advantages that the differential pressure gauge is an inspection part of the filter, the blocking condition of the filter element of the filter is monitored in real time, and when the pressure is more than 1bar, the filter element of the filter needs to be cleaned or replaced.
In the fuel filtering device of the inline type medium-speed diesel engine provided by the embodiment of the utility model, the fuel safety valve is controlled by 30bar (bar) of air, the filtered clear liquid of the fuel enters the engine through the fuel safety valve, and when the running speed of the diesel engine is overhigh, the fuel safety valve closes the fuel oil circuit to realize forced shutdown.
The fuel filtering device of the in-line medium-speed diesel engine provided by the embodiment of the utility model is provided with the distribution block, and the connection of multi-directional pipelines is ensured through the design of an internal oil way.
According to the fuel oil filtering device of the in-line medium-speed diesel engine provided by the embodiment of the utility model, the pipeline system is designed in a branch manner, so that the pipeline structure is simple and convenient to manage. The piping system is shown in fig. 6.
The technical solutions provided by the above embodiments of the present invention are described below with reference to the accompanying drawings.
As shown in fig. 1, the fuel oil filtering device of the in-line medium-speed diesel engine provided by the above embodiment of the present invention reserves two fuel oil stock solution inlets, and is respectively abutted to the fuel oil pre-supply pump and the delivery pump, so as to meet the requirement of dual insurance for supplying oil of a medium-speed diesel engine; the fuel stock solution enters the filter from the N1 port of the filter (preferably a duplex filter), the fuel is filtered by the filter, the clear fuel solution flows out from the N2 port and flows to the fuel safety valve, and after passing through the fuel safety valve, the fuel enters the main engine and supplies fuel to the fuel injection pump of the main engine. In order to monitor the working effect of the fuel oil duplex filter, a differential pressure gauge is arranged to monitor the filter in real time.
As shown in fig. 2, the support assembly 2 is a mounting carrier for all components of the device. The bottom of the supporting assembly 2 is provided with an oil leakage groove, so that centralized treatment and leakage of oil leakage are ensured. The duplex filter 4 is an assembly part and comprises filter elements, upper and lower cylinder bodies of the filter elements, sealing parts, a fixed seat and other components, wherein the filter elements are arranged in the upper and lower cylinder bodies, the upper and lower cylinder bodies form a filter cylinder, the sealing parts ensure the sealing performance of the filter cylinder, the number of the filter cylinders is two, two cavities are formed and are arranged on the fixed seat, and therefore the whole duplex filter structure is formed and is arranged in the middle of the support assembly 2 and is fixed by bolts and nuts. The two chambers of the duplex filter 4 work alternately, and when one chamber is used as a working chamber, the other chamber is used as a spare chamber. And the differential pressure gauge 5 is arranged on the side surface of the duplex filter 4, is convenient for a person to observe, is fixed on the support assembly 2 by bolts and nuts, and is connected with an inlet and an outlet of the duplex filter 4 through two pipes of 20-PZ6 × 1 to detect the pressure difference between the inlet and the outlet of the duplex filter 4. When the pressure exceeds 1bar, the filter element of the filter must be cleaned and replaced. The fuel safety valve 6 is a safety device and is installed at the upper right corner of the support assembly 2, and the filtered fuel flows into an inline diesel engine through the fuel safety valve 6. The fuel safety valve 6 is controlled by 30bar air, when the rotating speed of an inline diesel engine is overspeed, the control air is put in to close the valve and stop fuel supply to the main engine, thus completing the forced stopping action.
As shown in figure 3, the fuel stock solution collecting pipe 7 considers the external redundant design of fuel, and meets the requirement of the in-line diesel engine on safety and reliability. The fuel stock solution collecting pipe 7 has two ways, one oil way is connected with a self-contained fuel pump (namely a delivery pump) of the in-line diesel engine in a butt joint mode, the other oil way is connected with a fuel pre-supply pump in a butt joint mode, and an external interface is designed according to an external interface of oil supply equipment. The fuel inlet filter pipe 8 is a fuel inlet filter assembly and comprises a pipeline, an elbow and a distribution block, wherein the distribution block realizes communication of multi-directional oil ways. The fuel stock solution collecting pipe 7 and the fuel pipe 8 of the filter are fixed by a bracket to avoid vibration of the pipe system. The fuel outlet filter pipe 9 is fixed to the support assembly 2 by a pipe clamp and is arranged on the left side of the device, so that space is saved, and the stability of the pipe system is maintained. The fuel inlet pipe 10 leads the fuel filtered by the filter to the main machine of the medium speed diesel engine.
In some embodiments of the utility model:
the support assembly is an installation carrier of the component parts, and an integrated technical scheme is realized, the technical scheme can realize the integral assembly and disassembly of the filtering device, saves space, is convenient to use, and is safe and reliable.
The filter is preferably a duplex filter 4, is arranged in the middle of the supporting assembly, the filtering precision of the duplex filter 4 reaches 10um, and a differential pressure gauge 5 matched with the duplex filter monitors the filtering condition of the duplex filter 4 in real time. The duplex filter 4, the fuel stock solution collecting pipe 7, the fuel inlet filter pipe 8, the fuel outlet filter pipe 9 and the fuel inlet engine pipe 10 form an oil supply system.
The fuel safety valve 6 is a fuel system safety device and is connected with a fuel pipe 9 of an outlet filter to provide control support for overspeed emergency stop of the inline medium-speed diesel engine.
Fig. 7 is a schematic structural diagram of an in-line medium speed diesel engine according to an embodiment of the present invention.
As shown in fig. 7, this embodiment provides an in-line medium speed diesel engine, which includes a medium speed diesel engine main unit and a fuel filter device according to any one of the above embodiments of the present invention connected to a free end of the medium speed diesel engine main unit; wherein:
the fuel stock solution collecting pipe is butted with a fuel pump and/or a fuel pre-supply pump of the medium-speed diesel engine host machine and is used for introducing fuel stock solution from the medium-speed diesel engine host machine;
and the engine inlet fuel pipe is butted with a fuel injection pump of the medium-speed diesel engine host and is used for outputting fuel clear liquid to the medium-speed diesel engine host.
In this embodiment, as a preferred embodiment, the fuel oil filtering device is installed on the air cooler assembly connecting box surface of the main machine of the medium speed diesel engine.
In the fuel oil filtering device of the in-line medium-speed diesel engine provided by the embodiment of the utility model, the supporting assembly has a combination function, and the supporting part is fixed on the side surface of the connecting box of the air cooler assembly of the medium-speed diesel engine host machine, so that the fixing function of the parts of the fuel oil filtering device is met, and the oil sump is additionally arranged, so that the fuel oil filtering device has the functions of collecting and discharging oil stains.
As shown in fig. 7, in the in-line medium-speed diesel engine provided by the above embodiment of the present invention, the fuel filtering device 1 may be integrally disposed at the free end of the medium-speed diesel engine main body 12 through the bolt 3, so as to satisfy the consistency of the pipe system external interface direction of the medium-speed diesel engine main body 12; the fuel oil filtering device 1 takes the connecting box surface of the air cooler assembly as a supporting surface, is arranged in a centralized manner, is easy to observe and maintain parts in a centralized manner, and meets the requirements of safety and reliability of the straight-line marine medium-speed diesel engine; the fuel oil filtering device 1 is an independent integral component, can be integrally installed and disassembled, and has simple and efficient assembly process.
It should be noted that, the in-line medium-speed diesel engine provided in the above embodiment of the present invention is implemented by using the fuel filtering device provided in the above embodiment of the present invention, and those skilled in the art can refer to the technical scheme of the fuel filtering device to implement corresponding components in the in-line medium-speed diesel engine, that is, the embodiment of the fuel filtering device can be understood as a preferred example for implementing the in-line medium-speed diesel engine, and is not described herein again.
In the in-line medium-speed diesel engine and the fuel oil filtering device thereof provided by the embodiment of the utility model, the filter reserves two fuel oil stock solution inlets which are respectively butted with the fuel oil pre-supply pump and the self-provided delivery pump, so that the oil supply double-insurance requirement of the medium-speed diesel engine is met; an independent differential pressure gauge is arranged to monitor the working effect of the filter in real time; aiming at the fuel oil filtering requirement and the limited space of the in-line medium-speed diesel engine, an integrated mode is adopted, so that the fuel oil filtering function is met, the fuel oil use pressure alarm function is realized, the use is safe, and the structure is simple; all functional parts are integrated on the supporting assembly and arranged on the free end face of the diesel engine host, so that the diesel engine host is convenient to install, monitor and maintain in a centralized manner, and the stable, safe and reliable work of the diesel engine host is guaranteed.
The above embodiments of the present invention are not exhaustive of the techniques known in the art.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model.
Claims (9)
1. A fuel filter assembly for an in-line medium speed diesel engine, comprising: the fuel filter comprises a support assembly piece, a filter, a differential pressure gauge, a fuel safety valve, a fuel stock solution collecting pipe, a fuel inlet filter pipe, a fuel outlet filter pipe and a fuel inlet engine pipe, wherein the filter, the differential pressure gauge, the fuel safety valve, the fuel stock solution collecting pipe, the fuel inlet filter pipe, the fuel outlet filter pipe and the fuel inlet engine pipe are detachably arranged on the support assembly piece; wherein:
the filter comprises an inlet end and an outlet end, and the inlet end is in butt joint with the medium-speed diesel engine through the filter fuel inlet pipe and the fuel stock solution collecting pipe in sequence and is used for realizing the function of introducing the fuel stock solution; the outlet end is in butt joint with the medium-speed diesel engine sequentially through the filter outlet fuel pipe and the engine inlet fuel pipe and is used for realizing the function of outputting clear fuel liquid;
the differential pressure meter is connected between the inlet end and the outlet end of the filter and is used for realizing the function of detecting the inlet-outlet differential pressure of the filter;
the fuel safety valve is arranged at the joint of the fuel pipe of the filter outlet and the fuel pipe of the engine inlet and used for realizing the function of controlling the clear liquid of the fuel to be input into the medium-speed diesel engine.
2. The fuel filter device of an in-line medium speed diesel engine of claim 1, wherein the support assembly comprises a mounting plate and a oil drain groove disposed below the mounting plate, and the filter, the differential pressure gauge, the fuel safety valve, the fuel raw liquid collecting pipe, the fuel inlet filter pipe, the fuel outlet filter pipe and the fuel inlet engine pipe are respectively mounted on the mounting plate; and a discharge oil return pipe of the fuel safety valve extends into the oil leakage groove.
3. The fuel filter assembly for an in-line medium speed diesel engine of claim 2 wherein said filter is mounted in a central location on said mounting plate;
the differential pressure gauge is arranged on the mounting plate and is positioned on one side of the filter;
the fuel safety valve is arranged at one corner position of the mounting plate;
the fuel stock solution collecting pipe and the fuel pipe of the filter are arranged on the mounting plate through a fixing bracket;
the filter fuel pipe is arranged on the mounting plate through a pipe clamp.
4. The fuel filter device of the in-line medium-speed diesel engine as claimed in claim 1, wherein both ends of the differential pressure gauge are respectively connected with the inlet end and the outlet end of the filter through a pipeline; and/or
The differential pressure gauge is provided with an alarm component.
5. The fuel filter arrangement for an in-line medium speed diesel engine of claim 1 wherein said filter inlet end includes two ports and said fuel stock collection conduit correspondingly includes two oil paths, one of which interfaces with a self-contained fuel pump of said in-line medium speed diesel engine and the other of which interfaces with a fuel pre-supply pump of said in-line medium speed diesel engine; and the external interface of the fuel stock solution collecting pipe is matched with the external interface of the oil supply equipment.
6. The fuel filter device of an in-line medium-speed diesel engine as claimed in claim 5, wherein a distribution block is arranged at the joint of the fuel stock solution collecting pipe and the fuel pipe of the filter, and the distribution block is used for realizing the function of communicating a plurality of oil paths.
7. The fuel filter device of the in-line medium speed diesel engine according to any one of the claims 1 to 6, characterized in that the filter adopts a duplex filter; the duplex filter comprises two chambers, wherein when one chamber is a working chamber, the other chamber is a standby chamber.
8. An in-line medium speed diesel engine comprising a medium speed diesel engine host and the fuel filter apparatus of any one of claims 1 to 7 attached to a free end of the medium speed diesel engine host; wherein:
the fuel stock solution collecting pipe is butted with a fuel pump and/or a fuel pre-supply pump of the medium-speed diesel engine host machine and is used for introducing fuel stock solution from the medium-speed diesel engine host machine;
and the engine feeding fuel oil pipe is butted with a fuel injection pump of the medium-speed diesel engine host and is used for outputting fuel oil clear liquid to the medium-speed diesel engine host.
9. The in-line medium speed diesel engine of claim 8 wherein said fuel filter means is mounted on an air cooler assembly attachment box face of said medium speed diesel engine host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123077002.5U CN216975082U (en) | 2021-12-09 | 2021-12-09 | In-line medium-speed diesel engine and fuel oil filtering device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123077002.5U CN216975082U (en) | 2021-12-09 | 2021-12-09 | In-line medium-speed diesel engine and fuel oil filtering device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216975082U true CN216975082U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123077002.5U Active CN216975082U (en) | 2021-12-09 | 2021-12-09 | In-line medium-speed diesel engine and fuel oil filtering device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216975082U (en) |
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2021
- 2021-12-09 CN CN202123077002.5U patent/CN216975082U/en active Active
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