CN115076606A - Oil feeding method and oil feeding system for ship oil pipeline - Google Patents
Oil feeding method and oil feeding system for ship oil pipeline Download PDFInfo
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- CN115076606A CN115076606A CN202210750052.5A CN202210750052A CN115076606A CN 115076606 A CN115076606 A CN 115076606A CN 202210750052 A CN202210750052 A CN 202210750052A CN 115076606 A CN115076606 A CN 115076606A
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- measuring device
- feeding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
Abstract
The application relates to the technical field of ships, in particular to an oil feeding method and an oil feeding system for a ship oil pipeline. In the ship oil pipe way oil throwing method, a branch flowmeter is arranged on an oil branch pipeline to be thrown, a branch regulating valve and an oil online measuring device are arranged, the purifying condition and the oil throwing flow of each oil branch pipeline to be thrown can be obtained, then the flow distribution is carried out on each branch by regulating the opening degree of each branch regulating valve, the opening degree of the branch regulating valve on the oil branch pipeline to be thrown is adjusted to be small, the opening degree of the branch regulating valve on the oil branch pipeline to be thrown is adjusted to be large, the flow is distributed to the branch pipeline with poor cleanliness, the dominant flow distribution is carried out, and the overall oil throwing efficiency is improved.
Description
Technical Field
The application relates to the technical field of ships, in particular to an oil feeding method and an oil feeding system for a ship oil pipeline.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
At present, the conventional oil feeding mode is still adopted in domestic shipyards for oil pipelines such as fuel oil, lubricating oil and hydraulic oil in a ship system, oil is generally fed in an onsite environment firstly, then a temporary loop is constructed after the onsite installation for oil feeding, and the result of oil feeding is confirmed by adopting a mode of combining the dirty condition of a filter element or filter paper in a visual branch filter with sampling and testing.
In the conventional pipeline oil feeding process, as no control index capable of being quantized is used for process control, the oil feeding time is judged according to the past experience, the subjectivity is high, the judgment basis is fuzzy, the manual control is generally conservative, the pipeline oil feeding time is long, the efficiency is low, and more manpower is needed to be matched for test.
Disclosure of Invention
The embodiment of the application aims to provide an oil feeding method for a ship oil pipeline, which is used for improving the oil feeding efficiency of the ship oil pipeline.
Another purpose of the embodiments of the present application is to provide a ship oil pipeline oil throwing system for implementing the above ship oil pipeline oil throwing method.
In a first aspect, a method for oil injection of a marine oil pipeline is provided, which comprises the following steps:
the method comprises the steps that an oil feeding loop is constructed according to oil feeding branch pipelines in a real ship system, a branch filter, a branch flowmeter, a branch regulating valve and an oil quality online measuring device are uniformly arranged on each oil feeding branch pipeline, the branch filter is used for capturing impurities carried in the oil feeding branch pipeline, the branch flowmeter is used for detecting oil feeding flow in the oil feeding branch pipeline in real time, the branch regulating valve is used for regulating the oil feeding flow in each oil feeding branch pipeline, and the oil quality online measuring device is used for detecting the oil quality in the oil feeding branch pipeline in real time;
according to the detection result of the oil on-line measuring device on each branch pipeline needing oil feeding and the detection result of the branch flowmeter, the opening degree of the branch regulating valve on each branch pipeline needing oil feeding is regulated to distribute the flow of each branch pipeline needing oil feeding: the oil feeding flow in the branch pipeline needing oil feeding with low oil cleanliness is adjusted to be large, and the oil feeding flow in the branch pipeline needing oil feeding with high oil cleanliness is adjusted to be small.
In one possible embodiment, at least one of the oil quality in-line measuring devices is a downstream oil quality in-line measuring device, which is arranged downstream of the bypass filter.
In a possible implementation scheme, at least one oil quality online measuring device is an upstream oil quality online measuring device, the upstream oil quality online measuring device is arranged at the upstream of the branch filter, and the filtering precision of the filter element in the branch filter on the branch pipeline to be fed is adjusted according to the particle pollution degree data measured by the upstream oil quality online measuring device, so that the filter meets the requirement of filtering and adopts the filter element with the lowest filtering precision.
In one possible embodiment, a tank is provided in the oil supply circuit, an oil pump is provided downstream of the tank, and an oil feed filter is arranged between the tank and the oil pump.
In one possible embodiment, an intermediate filter is arranged between the oil pump and the branch line to be filled.
In a possible implementation scheme, the oil feeding loop comprises an oil return main pipeline connected with each branch pipeline needing oil feeding, and a main pipeline flow meter used for detecting the oil feeding flow in the main pipeline is arranged on the oil return main pipeline.
In a possible implementation scheme, when the oil throwing loop is constructed according to each branch pipeline needing oil throwing in the real ship system, flow simulation calculation is carried out on the planned oil throwing loop through simulation software, and if the flow rate of oil in the oil throwing loop does not meet the requirement, the oil throwing loop is adjusted or reconstructed.
The second aspect further provides an oil feeding system for the ship oil pipeline, which comprises an oil feeding pipeline, a branch filter, a branch flowmeter, a branch regulating valve and an oil quality online measuring device, wherein the oil feeding pipeline is used for constructing an oil feeding loop with a branch pipeline to be fed; still including throwing the oil controller, branch flowmeter, oily on-line measuring device all with throw the oil controller communication and be connected in order to throw the oil controller with the data transfer who detects, throw the oil controller and be connected with branch regulating valve communication, throw the oil controller according to the data that received branch flowmeter detected data and oily on-line measuring device detected, adjust the aperture of the branch regulating valve on each branch pipeline that need throw oil and carry out flow distribution in order to throwing each branch pipeline that needs: the oil feeding flow in the branch pipeline needing oil feeding with low oil cleanliness is adjusted to be large, and the oil feeding flow in the branch pipeline needing oil feeding with high oil cleanliness is adjusted to be small.
In one possible embodiment, at least one of the oil quality in-line measuring devices is a downstream oil quality in-line measuring device for being arranged downstream of the bypass filter.
In a possible implementation scheme, at least one oil quality online measuring device is an upstream oil quality online measuring device, and the upstream oil quality online measuring device is used for being arranged at the upstream of the branch filter, so that the filtering precision of the filter element in the branch filter on the oil feeding branch line to be fed is adjusted according to the particle pollution degree data measured by the upstream oil quality online measuring device, and the filter element with the lowest filtering precision is adopted on the premise that the filter meets the filtering requirement.
The oil feeding method for the ship oil pipeline has the beneficial effects that: in the ship oil pipe way oil feeding method of this application, through set up the branch road flowmeter on the branch road that need to throw oil, the branch road governing valve, the online measuring device of oil quality, can acquire the purification condition and the oil feeding flow of each branch road that need to throw oil, then adjust the aperture of each branch road governing valve and carry out flow distribution to each branch road, the better branch road governing valve aperture that needs to throw on the oil branch road of oil quality is transferred and is dwindled, the relatively poor branch road governing valve aperture that needs to throw on the oil branch road of oil quality is transferred and is increased, with flow distribution to the relatively poor branch road of cleanliness factor, carry out dominant flow distribution, the efficiency of wholly throwing oil is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a flow chart of an embodiment of a method of fueling a marine oil pipeline according to the present application;
fig. 2 is a schematic diagram of an oil filling loop in an embodiment of a method for filling an oil pipeline of a ship according to the present application (solid lines indicate oil lines, and chain lines indicate signal lines);
wherein the reference numerals are as follows:
1. branch pipelines needing to be filled with oil; 2. a bypass filter; 3. a branch flowmeter; 4. a branch regulating valve; 5. an oil quality on-line measuring device; 51. a downstream oil quality on-line measuring device; 52. an upstream oil quality on-line measuring device; 6. an oil tank; 7. an oil pump; 8. an oil inlet filter; 9. an intermediate filter; 10. an oil return main pipeline; 11. a main pipeline flow meter; 12. cleaning the control system; 13. overhauling a branch circuit; 14. and (5) overhauling the electric control valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
According to a first aspect of the present application, there is first provided a method for refueling a marine oil pipeline, see fig. 1 and 2.
The oil feeding method for the ship oil pipeline comprises the following steps:
the method comprises the steps of constructing an oil feeding loop according to each branch pipeline to be fed of a real ship system, arranging a branch filter 2, a branch flowmeter 3, a branch regulating valve 4 and an oil quality online measuring device 5 on each branch pipeline 1 to be fed, wherein the branch filter 2 is used for capturing impurities of the branch pipeline 1 to be fed, the branch flowmeter 3 is used for monitoring the flow rate of the branch pipeline 1 to be fed in real time, the branch regulating valve 4 is used for regulating the flow rate of each branch pipeline 1 to be fed, and the oil quality online measuring device 5 is used for detecting the oil quality of the branch pipeline 1 to be fed in real time.
According to the detection result of the oil quality on-line measuring device 5 on each branch pipeline 1 needing to be thrown oil and the detection result of the branch flowmeter 3, the opening degree of the branch regulating valve 4 on each branch pipeline 1 needing to be thrown oil is regulated to distribute the flow of each branch pipeline 1 needing to be thrown oil: the oil feeding flow of the branch pipeline 1 which needs oil feeding and has low oil cleanliness is adjusted to be large, and the oil feeding flow of the branch pipeline 1 which needs oil feeding and has high oil cleanliness is adjusted to be small. Oil with high cleanliness is better, pollution is lighter, oil with low cleanliness is worse, and pollution is more serious.
According to the ship oil pipeline oil throwing method, the branch flowmeter 3, the branch regulating valve 4 and the oil online measuring device 5 are arranged on the branch pipeline 1 needing oil throwing, the purification situation and the oil throwing flow of each branch pipeline needing oil throwing can be obtained, then the opening degree of each branch regulating valve 4 is regulated to distribute the flow of each branch pipeline needing oil throwing, the opening degree of the branch regulating valve 4 on the branch pipeline 1 needing oil throwing with good oil quality is reduced, the opening degree of the branch regulating valve 4 on the branch pipeline 1 needing oil throwing with poor oil quality is increased, the flow is distributed to the branch pipeline with poor cleanliness, the dominant flow is distributed, and the overall oil throwing efficiency is improved.
In order to save manpower, an oil feeding controller is arranged, the information of the branch flowmeter 3 and the oil quality on-line measuring device 5 is received through the oil feeding controller, and the branch regulating valve 4 is dynamically and automatically regulated according to the received information. In this embodiment, branch road governing valve 4 is electric control valve, and in other embodiments, the branch road governing valve can also adopt the pilot operated control valve.
In this embodiment, in order to improve the construction efficiency of the oil feeding loop, when the oil feeding loop is constructed according to each branch pipeline 1 to be fed of the real ship system, flow simulation calculation is performed on the planned oil feeding loop through simulation software, and if the flow rate of oil in the oil feeding loop does not meet the requirement, the oil feeding loop is adjusted or reconstructed. Through simulation calculation of simulation software, debugging of the oil feeding loop in the actual operation process is reduced, and the construction efficiency of the oil feeding loop is improved.
Specifically, in this embodiment, an oil injection loop is initially constructed according to the arrangement condition of the system pipeline and the actual ship condition, simulation calculation is performed on the pipeline by using AFT software according to the configuration condition of the oil injection loop and the system equipment, and the oil injection loop is optimized according to the simulation calculation result.
Specifically, in this embodiment, one online oil quality measuring device 5 is a downstream online oil quality measuring device 51, and the downstream online oil quality measuring device 51 is disposed downstream of the bypass filter 2 on the same branch pipeline 1 to be fed with oil. In order to further improve the oil feeding efficiency, in this embodiment, one oil quality online measuring device 5 is an upstream oil quality online measuring device 52, the upstream oil quality online measuring device 52 is arranged upstream of the branch filter 2 on the same branch pipeline 1 to be fed, and the filtering precision of the filter element in the branch filter 2 on the branch pipeline 1 to be fed is adjusted according to the particle pollution degree data measured by the upstream oil quality online measuring device 52, so that the filter meets the requirement of filtering and adopts the filter element with the lowest filtering precision. In other embodiments, the number of the downstream oil quality online measuring devices may be two or more, and only the upstream oil quality online measuring device or only the downstream oil quality online measuring device may be provided.
Specifically, the oil feeding state of the whole system pipeline can be monitored in real time through the upstream oil quality online measuring device 52 and the downstream oil quality online measuring device 51. According to the current stage mainstream pollutant particle size of each stage pollution degree NAS grade analysis, adaptive filter element precision is selected, so that the filter element precision of the filter can meet the filtering requirement, the influence on the oil flow rate is reduced to the maximum extent, and the oil feeding efficiency is improved. In this embodiment, the filter is provided with a differential pressure measurement module capable of measuring differential pressure signals of upstream and downstream sides of the filter element, and data measured by the differential pressure measurement module is uploaded to the cleaning control system, and the cleaning control system can automatically prompt the dirty and blocked condition of the filter element and guide the replacement of the filter element. The online oil quality measuring device 5 in the embodiment can measure the particles and the water content of the main flow pollutants in the oil outlet pipe on line.
In order to improve the oil quality entering the branch pipeline 1 to be fed, in the embodiment, an oil tank 6 is arranged in the feeding loop, an oil pump 7 is arranged at the downstream of the oil tank 6, and an oil inlet filter 8 is arranged between the oil tank 6 and the oil pump 7. In other embodiments, the intermediate filter may be eliminated if desired, in the event that the oil quality in the tank is guaranteed to be high. The oil tank 6 in the application can be an external oil tank when an oil feeding loop is constructed, and can also be an oil tank which needs to be fed with oil and purified in a ship oil way system when the oil feeding loop is constructed. Similarly, the part between the oil tank 6 and the branch pipeline 1 to be filled with oil can also be an oil pipeline to be filled with oil for purification. In this embodiment, three oil pumps 7 are provided, and the three oil pumps are mutually standby, so that the reliability is improved. In other embodiments, one oil pump may be provided.
In this embodiment, an intermediate filter 9 is disposed between the oil pump 7 and the branch line 1 to be fed. The intermediate filter 9 can further improve the cleanliness of oil entering the branch pipeline 1 to be thrown. In other embodiments, the number of the intermediate filters can be optionally increased according to requirements, and of course, according to requirements of actual operating conditions, the oil pumped by the oil pump can also be directly fed into the branch pipeline needing oil feeding without being filtered.
Through oil feed filter 8, intermediate filter 9 and branch filter 2, carry out the segmentation interception filtration to the impurity in oil tank 6 and the pipeline respectively, utilize multistage filtration scheme to carry out high efficiency and filter and can effectively shorten the cluster and wash the time, improve and throw oily efficiency.
In this embodiment, the oil feeding loop includes an oil return main pipeline 10 connected to each branch pipeline 1 to be fed, and a main pipeline flow meter 11 for detecting the oil feeding flow rate in the main pipeline is disposed on the oil return main pipeline 10. And converting the detection result of the main pipeline flowmeter 11 into a pipeline flow velocity, and judging whether the flow velocity in the pipeline meets the requirement of the oil feeding flow velocity.
In this embodiment, the oil feeding controller is integrated in the cleaning control system 12, and the cleaning control system 12 includes a display, and is capable of monitoring the opening of each regulating valve, the pressure difference of the filter, the measurement information of the oil quality online measurement device 5, and the detection data of the flow meter, and realizing the digital control of oil feeding, thereby further improving the oil feeding efficiency. In other embodiments, the flow of each branch pipeline needing oil feeding can be adjusted by manually adjusting the opening of the branch adjusting valve.
In order to facilitate maintenance, a maintenance branch 13 is further arranged between the oil pump and the branch pipeline needing oil feeding, a maintenance electric control valve 14 is arranged on the maintenance branch 13, when the branch pipeline needing oil feeding is paused oil feeding, the branch regulating valve 4 can be closed by the maintenance electric control valve 14, the maintenance electric control valve 14 is opened, and the branch pipeline 1 needing oil feeding can be maintained at the moment. The maintenance operation comprises the replacement of the filter element and the replacement or the maintenance of other parts on the branch of the oil pipe needing to be put into service. For ease of operation, a branch regulating valve 4 is provided at the end of the pipe branch 1 upstream of the pipe to be oiled 1.
In this embodiment, the method for throwing oil into the ship oil pipeline is implemented by the ship oil pipeline throwing system, and the following description is provided for the ship oil pipeline throwing system:
the ship oil pipeline oil feeding system comprises an oil feeding pipeline which is used for constructing an oil feeding loop with a branch pipeline needing oil feeding, and also comprises a branch filter 2, a branch flowmeter 3, a branch regulating valve 4 and an oil quality online measuring device 5, wherein the branch filter 2, the branch flowmeter 3, the branch regulating valve 4 and the oil quality online measuring device 5 are all used for being arranged on the branch pipeline 1 needing oil feeding; still including throwing the oil controller, branch flowmeter 3, oily on-line measuring device 5 all with throw the oil controller communication and be connected in order to throw the oil controller with the data transfer who detects, throw the oil controller and be connected with branch regulation valve 4 communication, throw the oil controller according to the data that received branch flowmeter 3 detected data and oily on-line measuring device 5 detected, adjust the aperture of branch regulation valve 4 on each branch pipeline 1 that need throw oil and carry out flow distribution in order to throwing oil branch pipeline 1 to each need: the oil feeding flow of the branch pipeline 1 which needs oil feeding and has low oil cleanliness is adjusted to be large, and the oil feeding flow of the branch pipeline 1 which needs oil feeding and has high oil cleanliness is adjusted to be small.
The oil feeding system of the ship oil pipeline further comprises an oil tank 6 and an oil pump 7 arranged at the downstream of the oil tank 6, and an oil inlet filter 8 is arranged between the oil pump 7 and the oil tank 6.
One oil quality on-line measuring device 5 is a downstream oil quality on-line measuring device 51, the downstream oil quality on-line measuring device 51 is used for being arranged at the downstream of the branch filter 2, one oil quality on-line measuring device 5 is an upstream oil quality on-line measuring device 52, the upstream oil quality on-line measuring device 52 is used for being arranged at the upstream of the branch filter 2, and therefore the filtering precision of the filter element in the branch filter 2 on the branch pipeline 1 needing oil feeding is adjusted according to the particle pollution degree data measured by the upstream oil quality on-line measuring device 52, and the filter element with the lowest filtering precision is adopted on the premise that the filter meets the filtering requirement.
The structure of the oil feeding loop is the same as that introduced in the oil feeding method of the ship oil pipeline, and the detailed description is omitted.
In the above embodiment, three branch pipes 1 to be fed are provided, and in other embodiments, any number of more than two branch pipes may be provided as needed.
To sum up, the oil feeding method for the ship oil pipeline has the following technical effects:
and the oil feeding loop uses AFT software to perform flow field simulation to obtain the estimated flow velocity of each branch pipeline needing oil feeding, so that the unreasonable construction of the oil feeding loop is avoided.
The oil feeding control system adjusts the quality path adjusting valve to carry out flow optimization allocation according to flow monitoring of each branch pipeline needing oil feeding and online measurement data of each branch pipeline needing oil feeding, and oil feeding efficiency can be improved. The oil feeding control system can also carry out digital control on the whole flow of pipeline oil feeding, so that the labor input of oil feeding can be reduced.
The particle pollution degree data of each branch is measured by the oil online measuring equipment, and the oil feeding efficiency can be improved by carrying out precision step configuration on each filter element. The pressure difference signal of the filter guides the replacement of the filter element, and the oil feeding efficiency is further improved.
The water and particle pollution degree data of each branch pipeline needing oil feeding is measured by the oil on-line measuring equipment, the cleaning state of the pipeline is controlled in real time, and unnecessary oil feeding time is avoided.
According to a second aspect of the present application, there is also provided a ship oil pipeline oil throwing system for implementing the above method, where the ship oil pipeline oil throwing system is the same as the ship oil pipeline oil throwing system described in any embodiment of the first aspect, and is not described again.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A method for throwing oil into a ship oil pipeline is characterized by comprising the following steps:
the method comprises the steps that an oil feeding loop is constructed according to each branch pipeline (1) needing oil feeding in a real ship system, a branch filter (2), a branch flowmeter (3), a branch regulating valve (4) and an oil quality online measuring device (5) are arranged on each branch pipeline (1) needing oil feeding, the branch filter (2) is used for capturing impurities carried in the oil in the branch pipeline (1) needing oil feeding, the branch flowmeter (3) is used for detecting the oil feeding flow rate in the branch pipeline (1) needing oil feeding in real time, the branch regulating valve (4) is used for regulating the oil feeding flow rate in each branch pipeline (1) needing oil feeding, and the oil quality online measuring device (5) is used for detecting the oil quality in the branch pipeline (1) needing oil feeding in real time;
according to the detection result of the oil quality on-line measuring device (5) on each branch pipeline (1) to be thrown oil and the detection result of the branch flowmeter (3), the opening degree of the branch regulating valve (4) on each branch pipeline (1) to be thrown oil is regulated to distribute the flow of each branch pipeline (1) to be thrown oil: the oil feeding flow in the branch pipeline (1) which needs oil feeding and has low oil cleanliness is adjusted to be large, and the oil feeding flow in the branch pipeline (1) which needs oil feeding and has high oil cleanliness is adjusted to be small.
2. Method for the launch of oil on a ship's oil line according to claim 1, characterized in that at least one on-line measuring device of oil quality (5) is a downstream on-line measuring device of oil quality (51), the downstream on-line measuring device of oil quality (51) being arranged downstream of the by-pass filter (2).
3. The oil feeding method of the oil pipeline of the ship according to claim 2, characterized in that at least one oil quality online measuring device (5) is an upstream oil quality online measuring device (52), the upstream oil quality online measuring device (52) is arranged at the upstream of the branch filter (2), and the filtering precision of the filter element in the branch filter (2) on the branch pipeline (1) to be fed with oil is adjusted according to the particle pollution degree data measured by the upstream oil quality online measuring device (52), so that the filter element with the lowest filtering precision is adopted on the premise that the filter meets the filtering requirement.
4. A method for launching oil into a marine oil pipeline according to claim 2 or 3, characterised in that an oil tank (6) is arranged in the launch circuit, that an oil pump (7) is arranged downstream of the oil tank (6), and that an oil intake filter (8) is arranged between the oil tank (6) and the oil pump (7).
5. Method for the filling of oil in marine oil pipelines according to claim 4, characterized in that an intermediate filter (9) is arranged between the oil pump (7) and the branch pipeline (1) to be filled.
6. The marine oil pipeline oil feeding method according to any one of claims 1-3, characterized in that the oil feeding loop comprises an oil return main pipeline (10) connected to each branch pipeline (1) to be fed, and a main pipeline flow meter (11) for detecting the oil feeding flow in the main pipeline is arranged on the oil return main pipeline (10).
7. The method for launching oil into a ship oil pipeline according to any one of claims 1 to 3, characterized in that when an oil launching loop is constructed according to each branch pipeline (1) to be launched in the real ship system, flow simulation calculation is performed on the planned oil launching loop through simulation software, and if the flow rate of oil in the oil launching loop does not meet the requirement, the oil launching loop is adjusted or reconstructed.
8. The oil feeding system of the ship oil pipeline is characterized by comprising an oil feeding pipeline, a branch filter (2), a branch flowmeter (3), a branch regulating valve (4) and an oil quality online measuring device (5), wherein the oil feeding pipeline is used for constructing an oil feeding loop with a branch pipeline to be fed with oil, and the branch filter (2), the branch flowmeter (3), the branch regulating valve (4) and the oil quality online measuring device (5) are all used for being arranged on the branch pipeline (1) to be fed with oil; still including throwing the oil controller, branch road flowmeter (3), oily on-line measuring device (5) all with throw oil controller communication connection in order to throw the oil controller with the data transfer who detects, throw oil controller and branch road governing valve (4) communication connection, throw the oil controller according to the data that received branch road flowmeter (3) detected data and oily on-line measuring device (5) detected, adjust the aperture of branch road governing valve (4) on each branch road pipeline (1) of throwing oil in order to carry out flow distribution to each branch road pipeline (1) of throwing oil: the oil feeding flow in the branch pipeline (1) which needs oil feeding and has low oil cleanliness is adjusted to be large, and the oil feeding flow in the branch pipeline (1) which needs oil feeding and has high oil cleanliness is adjusted to be small.
9. The marine oil pipeline launch system according to claim 8, characterised in that at least one oil quality on-line measuring device (5) is a downstream oil quality on-line measuring device (51), the downstream oil quality on-line measuring device (51) being intended to be arranged downstream of the by-pass filter (2).
10. The oil feeding system of the oil pipeline of the ship according to claim 9, characterized in that at least one oil quality online measuring device (5) is an upstream oil quality online measuring device (52), and the upstream oil quality online measuring device (52) is arranged upstream of the branch filter (2) to adjust the filtering precision of the filter element in the branch filter (2) on the branch pipeline (1) to be fed with oil according to the particle pollution degree data measured by the upstream oil quality online measuring device (52), so that the filter element with the lowest filtering precision is adopted on the premise that the filter meets the filtering requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210750052.5A CN115076606A (en) | 2022-06-28 | 2022-06-28 | Oil feeding method and oil feeding system for ship oil pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210750052.5A CN115076606A (en) | 2022-06-28 | 2022-06-28 | Oil feeding method and oil feeding system for ship oil pipeline |
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| CN115076606A true CN115076606A (en) | 2022-09-20 |
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| CN202210750052.5A Pending CN115076606A (en) | 2022-06-28 | 2022-06-28 | Oil feeding method and oil feeding system for ship oil pipeline |
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