Method and system for cleaning ship oil flow pipeline

Abstract

The invention provides a method and system for cleaning a ship oil flow pipeline, and the method comprises the steps: obtaining a first Reynolds number of flowing oil in each branch of the ship oil flow pipeline, and comparing the first Reynolds number with a critical Reynolds number; and acquiring the pollution grade of pollutants in each branch of the ship oil flow pipeline, and if the pollution grade is greater than a set value, judging that the ship oil flow pipeline needs series washing. According to the comparison result of the first Reynolds number and the critical Reynolds number, on the premise that series washing needs to be conducted on the ship oil flow pipeline, if the first Reynolds number is larger than or equal to the critical Reynolds number, flowing oil in all branches of the ship oil flow pipeline is in a turbulent flow state, the flowing oil can exert strong acting force on the pipe walls of all the branches during series washing, and therefore series washing is conducted on the ship oil flow pipeline. The inside of the pipeline can be cleaned more efficiently, and the serial washing efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of ship design, and in particular to a method and system for cleaning ship oil flow pipelines. Background Art

[0002] In the field of marine engineering, oil flow pipelines are widely used in fuel systems, lubricating oil systems and hydraulic systems as key components, and undertake multiple core functions such as power transmission, equipment lubrication and cooling. The stable operation of these systems is directly related to the overall performance and safety of the ship. However, during the construction and installation of ships, pipeline forming, welding and assembly processes will inevitably introduce various impurities, mainly including welding slag, metal particles, dust and moisture. The presence of these impurities poses a serious threat to the long-term stable operation of the oil flow system. For example, solid impurities such as welding slag, metal particles and dust can aggravate the wear of internal equipment in the system, shorten the service life of the equipment, and even cause failures. The presence of water will accelerate the emulsification process of lubricating oil and hydraulic oil, resulting in increased oil viscosity and enhanced corrosiveness, further damaging system performance.

[0003] In order to ensure the cleanliness of the oil flow pipeline, it is necessary to perform serial cleaning on the newly built oil flow pipeline to ensure that the pipeline reaches the specified cleanliness. However, the serial cleaning effect of the pipeline is not only determined by the properties of the fluid medium, but also affected by the flow state of the fluid in the pipeline. During the ship serial cleaning process, the size, layout and complexity of the pipelines in the oil flow system are not completely consistent. The progress of serial cleaning will be affected by the slowest branch of serial cleaning. There may also be a situation where some branches are not cleaned enough but others are over-cleaned. Summary of the invention

[0004] The purpose of the present application is to provide a method for cleaning ship oil flow pipelines, so as to solve the problem of low cleaning efficiency of ship oil flow pipelines by controlling the flow state of the oil flow.

[0005] In order to achieve the above objectives, this application adopts the following technical solutions:

[0006] A method for cleaning a ship oil flow pipeline comprises: obtaining a first Reynolds number of oil flowing in each branch of the ship oil flow pipeline, and comparing the first Reynolds number with a critical Reynolds number; the first Reynolds number is calculated by the following formula:

[0007]

[0008] Wherein, Re represents the Reynolds number, u represents the oil flow velocity in each branch of the ship's oil flow pipeline, d represents the inner diameter of the pipeline, and ν represents the kinematic viscosity of the oil flow in each branch of the ship's oil flow pipeline;

[0009] The pollution level of pollutants in each branch of the ship's oil flow pipeline is obtained. If the pollution level is greater than a set value, the ship's oil flow pipeline is washed in series; the first Reynolds number of the flowing oil is adjusted to be greater than or equal to the critical Reynolds number to improve the washing efficiency of each branch of the ship's oil flow pipeline.

[0010] In some embodiments, the kinematic viscosity of the oil flowing in each branch of the ship's oil flow pipeline is obtained by the following steps: obtaining the temperature T of the oil flowing in each branch of the ship's oil flow pipeline; and calculating the kinematic viscosity ν of the oil flowing in the corresponding branch according to the temperature T of the oil flowing, and the calculation formula is as follows:

[0011] Lglg(v+a)=b+mlgT,

[0012] Among them, a, b, and m are constants corresponding to the properties of oil products.

[0013] In some embodiments, the temperature of the flowing oil is calculated by the pipe wall temperature, pipe wall thermal conductivity, convection parameters and pipe wall thickness of each branch of the ship's oil flow pipeline.

[0014] In some embodiments, the critical Reynolds number is 4000, and the first Reynolds number is set to be ≥ 4000 to improve the cross-washing efficiency of each branch of the ship's oil flow pipeline.

[0015] In some embodiments, if the first Reynolds number is less than the critical Reynolds number, the critical flow velocity corresponding to the critical Reynolds number of the oil flowing in each branch of the ship's oil flow pipeline is calculated; the actual flow velocity of the oil flowing in the ship's oil flow pipeline is adjusted to be greater than or equal to the critical flow velocity, and the second Reynolds number of the oil flowing is obtained according to the actual flow velocity of the oil flowing, so that the second Reynolds number is greater than or equal to the critical Reynolds number.

[0016] In some embodiments, the process of adjusting the actual flow rate of the oil in the ship's oil flow pipeline includes: determining the opening of the valve installed in each branch of the ship's oil flow pipeline based on a curve of the relationship between the valve opening and the flow resistance of the oil, combined with the critical flow rate of the oil, so that the oil flow rate in each branch of the ship's oil flow pipeline is greater than or equal to the critical flow rate; or, determining the pressure of the pump installed in each branch of the ship's oil flow pipeline based on a curve of the relationship between the pump pressure and the flow rate of the oil, combined with the critical flow rate of the oil, so that the oil flow rate in each branch of the ship's oil flow pipeline is greater than or equal to the critical flow rate.

[0017] In some embodiments, the set value is level 8 in the NAS standard.

[0018] In a second aspect, the present application provides a system for cleaning a ship oil flow pipeline, comprising an oil flow state judgment module, a pollution level judgment module and an execution module, wherein the oil flow state judgment module is used to obtain a first Reynolds number of the oil flow in each branch of the ship oil flow pipeline, and compare the first Reynolds number with a critical Reynolds number, wherein the first Reynolds number is calculated by the following formula:

[0019]

[0020] Wherein, Re represents the Reynolds number, u represents the oil flow velocity in each branch of the ship's oil flow pipeline, d represents the inner diameter of the pipeline, and v represents the kinematic viscosity of the oil flow in each branch of the ship's oil flow pipeline;

[0021] The pollution level judgment module is used to obtain the pollution level of pollutants in each branch of the ship's oil flow pipeline. If the pollution level is greater than a set value, the ship's oil flow pipeline is washed in series;

[0022] The execution module is used to adjust the first Reynolds number of the flowing oil to be greater than or equal to the critical Reynolds number so as to improve the cross-washing efficiency of each branch of the ship oil flow pipeline.

[0023] A third aspect of the present application provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program. When the computer program runs on a processor, the processor executes the method described in the first aspect.

[0024] The fourth aspect of the present application provides an electronic device, comprising: at least one memory for storing programs; and at least one processor for executing the programs stored in the memory. When the programs stored in the memory are executed, the processor is used to execute the method described in the first aspect.

[0025] Compared with the prior art, the present invention has the following advantages:

[0026] The present application provides a method and system for cleaning ship oil flow pipelines. By making the Reynolds number of the oil flowing in each branch of the ship's oil flow pipeline greater than or equal to its critical Reynolds number, the oil flowing in each branch of the ship's oil flow pipeline is always in a turbulent state, increasing the complexity of the movement of the oil flowing in each branch, enhancing the force of the oil flowing on the wall of each branch pipe, and improving the efficiency of series washing. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 A schematic flow chart of a method for cleaning a ship oil flow pipeline according to an embodiment of the present application is shown;

[0029] Figure 2 A schematic flow chart of a method for cleaning oil flow pipelines of a ship according to another embodiment of the present application is shown;

[0030] Figure 3 The oil flow viscosity-temperature curve used in the method for cleaning the ship oil flow pipeline of the present application is shown;

[0031] Figure 4 A schematic diagram of the system structure for cleaning oil flow pipelines on ships according to an embodiment of the present application is shown;

[0032] Figure 5 A schematic diagram of the system structure for cleaning oil flow pipelines of a ship including a pipeline structure in the present application is shown. DETAILED DESCRIPTION

[0033] The technical solutions of the specific implementation methods of the present application are further described in detail below in conjunction with the accompanying drawings. These implementation methods are only used to illustrate the present application, but not to limit the present application.

[0034] The term "and / or" in this application is a description of the association relationship of associated objects, indicating that three relationships may exist, for example, A and / or B can represent the existence of A alone, the existence of A and B at the same time, and the existence of B alone. In the present invention, the symbol " / " indicates that the associated objects are in an "or" relationship, for example, "A / B" means "A or B".

[0035] The terms "first" and "second" in the specification and claims of this application are used to distinguish different objects rather than to describe a specific order of the objects. For example, "first response message" and "second response message" are used to distinguish different response messages rather than to describe a specific order of the response messages.

[0036] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be considered as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0037] In the description of the embodiments of the present application, unless otherwise specified, "multiple" means two or more than two. For example, multiple processing units refer to two or more processing units, etc., and multiple elements refer to two or more elements, etc.

[0038] The applicant found that the cross-washing effect of the ship's oil flow pipeline is not only determined by the properties of the fluid medium, but also affected by the flow state of the fluid in the pipeline. The flow state of the fluid in the pipeline is mainly divided into two types: laminar flow and turbulent flow. In the laminar state, the fluid flows in an orderly manner along the axis of the pipeline, and the flushing effect on the pipe wall is weak, and the impurity removal effect is limited. In contrast, in the turbulent state, the movement of particles inside the fluid is complex, forming a large number of vortices and lateral pulsations, which significantly enhances the force of the fluid on the pipe wall, greatly increasing the movement speed of the impurity particles, thereby significantly improving the cross-washing efficiency.

[0039] A method and system for cleaning oil flow pipelines of a ship according to the present application will be described in detail below with reference to the accompanying drawings.

[0040] Figure 1 , Figure 2 The present invention shows a method for cleaning a ship's oil pipeline according to an embodiment of the present invention. Figure 1 to Figure 2 As shown, the method for cleaning the oil flow pipeline of a ship according to an embodiment of the present application comprises the following steps:

[0041] Step S1, check the valve and pipeline status involved in the ship's oil flow pipeline, start and run the pump and other equipment. Measure the oil flow temperature T of each branch of the ship's oil flow pipeline. The temperature T of the oil flow can be measured by using non-destructive external sensors such as infrared to measure the wall temperature of each series washing branch, and the oil flow temperature in the pipe can be calculated by combining the thermal conductivity, convection and wall thickness of the pipe wall.

[0042] Step S2: for different types of oil that may flow through the ship's oil pipeline, the real-time kinematic viscosity of the oil in the corresponding branch can be calculated based on the oil flow temperature T in the pipe obtained above according to the oil flow viscosity-temperature curve. The calculation formula is as follows:

[0043] Lglg(v+a)=b+mlgT,

[0044] Among them, a, b, and m are constants corresponding to the properties of oil products.

[0045] Specifically, taking No. 15 aviation hydraulic oil as an example, Figure 3 The oil flow viscosity-temperature curve is shown, and the corresponding relationship between kinematic viscosity and temperature is shown in the following formula.

[0046]

[0047] Step S3, obtaining the first Reynolds number of the oil flowing in each branch of the ship's oil flow pipeline, and comparing the first Reynolds number with the critical Reynolds number. The aforementioned first Reynolds number can be calculated by the following formula: In one embodiment, Re represents the Reynolds number, which is dimensionless; u represents the oil flow velocity in each branch of the ship's oil flow pipeline, in units of [m / s]; d represents the inner diameter of the pipeline, in [m]; and v represents the kinematic viscosity of the oil flow in each branch of the ship's oil flow pipeline, in [CST]. In a specific embodiment, the aforementioned critical Reynolds number may be 4000. The aforementioned oil flow velocity may be detected and converted by an ultrasonic flowmeter and / or a turbine flowmeter disposed on each branch of the ship's oil flow pipeline, and the aforementioned pipeline inner diameter may be obtained by referring to the pipeline purchase instructions or installation process documents.

[0048] Step S4, adjusting the first Reynolds number of the oil flow to be greater than or equal to the critical Reynolds number, so as to improve the cross-washing efficiency of each branch of the ship's oil flow pipeline. In one embodiment, the critical Reynolds number can be set to 4000. If the first Reynolds number of the oil flow in the ship's oil flow pipeline is less than the critical Reynolds number, the critical flow velocity of the oil flow corresponding to the critical Reynolds number is calculated, and the calculation formula is: The actual flow rate of the oil in the ship's oil flow pipeline is adjusted to be greater than or equal to the critical flow rate, and the second Reynolds number of the oil is obtained according to the actual flow rate of the oil, so that the second Reynolds number of the oil is greater than or equal to the critical Reynolds number, so that the oil flow state in each branch of the ship's oil flow pipeline is turbulent during the series washing, thereby improving the efficiency of the series washing. In a specific embodiment, the actual flow rate of the oil can be detected and converted according to an ultrasonic flow meter and / or a turbine flow meter arranged on each branch of the ship's oil flow pipeline.

[0049] In one embodiment, the aforementioned process of adjusting the actual flow rate of the oil flowing in the ship's oil flow pipeline can be achieved through the following steps. The present application can use one-dimensional pipe network simulation software such as commercial software such as Applied Flow Technology, Flomaster, or independently written pipe network software to obtain simulation data. The aforementioned pipe network software contains the valve opening-flow resistance curve and the pump pressure-flow performance curve. In the specific implementation, according to the valve opening-oil flow resistance relationship curve, combined with the aforementioned calculated critical flow rate of the oil flow, the simulated opening of the valve installed in each branch of the ship's oil flow pipeline is determined, and the actual valve opening is adjusted according to the simulated opening of the valve, so that the oil flow rate in each branch of the ship's oil flow pipeline is greater than or equal to the critical flow rate, ensuring that the actual Reynolds number of the oil flow is greater than or equal to the critical Reynolds number. Alternatively, based on the pump pressure-oil flow relationship curve and the critical flow velocity of the oil obtained by the above calculation, the simulation pressure of the pump installed in each branch of the ship's oil flow pipeline is determined, and the pressure of the actual pump is adjusted according to the simulation pressure of the pump to make the oil flow velocity in each branch of the ship's oil flow pipeline greater than or equal to the critical flow velocity, thereby ensuring that the actual Reynolds number of the oil flow is greater than or equal to the critical Reynolds number.

[0050] Step S5, obtain the pollution level of pollutants in each branch of the ship's oil flow pipeline. If the pollution level is greater than the set value, the ship's oil flow pipeline is washed in series. Specifically, the pollution level of each branch of the ship's oil flow pipeline is measured in real time, and the measurement parameters include the size and quantity ratio of pollutant particles. In one embodiment, the pollution level can be judged according to the proportion of the number of pollutant particle size. The pollution level is characterized by the NAS standard as an example, and the real-time NAS (National Aerospace Standard 1638) standard level data of each branch of the ship's oil flow pipeline is obtained by online measurement equipment. For example, a monitor that can measure the size and quantity ratio of particles in real time can be selected, or a sensor that monitors multiple parameters at the same time, such as particle concentration, particle size distribution, etc., can be selected, and these data can be converted into NAS levels through algorithms or software.

[0051] Furthermore, the aforementioned set value can be level 8. For example, if the pollution level of each branch of the ship's oil flow pipeline, that is, the level of each branch in the NAS standard is less than level 8, it indicates that the oil flow quality of each branch of the ship's oil flow pipeline meets the requirements, and the ship's oil flow pipeline series washing is completed or it does not need series washing. If there is a branch in the ship's oil flow pipeline whose pollutant level is greater than level 8 in the NAS standard, proceed to the next step. It can be understood that the aforementioned set values ​​of the ship's oil flow pipeline branches are only exemplary and not restrictive. When designing the set values, those skilled in the art can specifically design them according to the different uses of the oil flow medium.

[0052] like Figure 4 , Figure 5As shown, the second aspect of the present application provides a system for cleaning oil flow pipelines on ships, which includes an oil flow state judgment module, a pollution level judgment module and an execution module. Figure 5 As shown, the ship oil flow pipeline of the present application may include multiple branches, and frequency converters, solenoid valves, filters, pressure sensors, online particle measurement equipment and ultrasonic flow meters are also provided between each branch and on each branch to obtain various data in the ship oil flow pipeline in real time.

[0053] The oil flow state judgment module is used to obtain the first Reynolds number of the oil flow in each branch of the ship's oil flow pipeline, and compare the first Reynolds number with the critical Reynolds number. The first Reynolds number is calculated by the following formula:

[0054]

[0055] In one embodiment, Re represents the Reynolds number, which is dimensionless; u represents the flow velocity of the oil in each branch of the ship's oil flow pipeline, in units of [m / s]; d represents the inner diameter of the pipeline, in [m]; and v represents the kinematic viscosity of the oil in each branch of the ship's oil flow pipeline, in [CST]. In a specific embodiment, the aforementioned critical Reynolds number may be 4000. The kinematic viscosity of the oil in each branch of the ship's oil flow pipeline may be obtained by obtaining the temperature of the oil and the oil flow viscosity-temperature curve.

[0056] The pollution level judgment module is used to obtain the pollution level of pollutants in each branch of the ship's oil flow pipeline. If the pollution level is greater than the set value, the ship's oil flow pipeline is washed. The aforementioned set value can be level 8. For example, if the pollution level of each branch of the ship's oil flow pipeline, that is, the level of each branch in the NAS standard is less than level 8, it indicates that the oil flow quality of each branch of the ship's oil flow pipeline meets the requirements, and the oil flow washing is completed or no washing is required. If there is a branch in the ship's oil flow pipeline whose pollutant level is greater than level 8 in the NAS standard, proceed to the next step. It can be understood that the aforementioned set values ​​of the ship's oil flow pipeline branches are merely exemplary and non-restrictive. When designing the set values, those skilled in the art can specifically design them according to the different uses of the oil flow medium.

[0057] The execution module is used to adjust the first Reynolds number of the oil flow to be greater than or equal to the critical Reynolds number to improve the flushing efficiency of each branch of the ship's oil flow pipeline. In one embodiment, the critical Reynolds number can be set to 4000. When the Reynolds number of the oil flow is greater than or equal to 4000, the fluid state transitions from laminar flow to turbulent flow. At this time, the lateral pulsation of the fluid particles increases the force on the pipe wall, causing the pollutants inside each branch pipe to fall off faster, and the flushing efficiency is significantly improved compared to laminar flow.

[0058] It should be understood that the specific process of each module executing the above corresponding steps has been described in detail in the above method embodiment, and for the sake of brevity, it will not be repeated here.

[0059] It should also be understood that the division of modules in the embodiments of the present application is schematic and is only a logical function division. There may be other division methods in actual implementation. In addition, each functional module in each embodiment of the present application may be integrated into a processor, or may exist physically separately, or two or more modules may be integrated into one module. The above-mentioned integrated modules may be implemented in the form of hardware or in the form of software functional modules.

[0060] The third aspect of the present application provides a computer-readable storage medium, on which a program of a method for cleaning a ship's oil flow pipeline is stored, so that the method for cleaning a ship's oil flow pipeline provided in the first aspect of the present application is executed. As for the aforementioned computer-readable storage medium, those skilled in the art can understand that the implementation example of the functions of the aforementioned system and each unit can be completed by hardware related to the computer program. The aforementioned computer program can be stored in a computer-readable storage medium. When the program is executed, it executes an implementation example including the functions of the aforementioned system and each unit. The aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM or optical disk.

[0061] The fourth aspect of the present application provides an electronic device, comprising: at least one memory for storing programs; at least one processor for executing the programs stored in the memory. The electronic device may be a server. The electronic device comprises a processor, a memory, a network interface and a database connected via a system bus. Among them, the processor of the electronic device is used to provide computing and control capabilities. The memory of the electronic device comprises a non-volatile and / or volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The network interface of the electronic device is used to communicate with an external client via a network connection. When the computer program is executed by the processor, the functions or steps of the present application for cleaning the oil flow pipeline of a ship are realized.

[0062] The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present application. These improvements and substitutions should also be regarded as the scope of protection of the present application.

Claims

1. A method for cleaning oil flow pipelines in ships, characterized in that: include: Obtaining a first Reynolds number of oil flowing in each branch of the ship's oil flow pipeline, and comparing the first Reynolds number with a critical Reynolds number; The first Reynolds number is calculated by the following formula: Wherein, Re represents the Reynolds number, u represents the oil flow velocity in each branch of the ship's oil flow pipeline, d represents the inner diameter of the pipeline, and v represents the kinematic viscosity of the oil flow in each branch of the ship's oil flow pipeline; Obtaining the pollution level of pollutants in each branch of the ship's oil flow pipeline, and if the pollution level is greater than a set value, performing series washing on the ship's oil flow pipeline; The first Reynolds number of the oil flow is adjusted to be greater than or equal to the critical Reynolds number to improve the cross-washing efficiency of each branch of the ship's oil flow pipeline.

2. The method for cleaning ship oil pipelines according to claim 1, characterized in that: The kinematic viscosity of the oil flowing in each branch of the ship oil flow pipeline is obtained by the following steps: Obtaining the temperature T of the oil flowing in each branch of the ship's oil flow pipeline; The kinematic viscosity v of the oil flow in the corresponding branch is calculated according to the temperature T of the oil flow, and the calculation formula is as follows: Lglg(v+a)=b+mlgT, Among them, a, b, and m are constants corresponding to the properties of oil products.

3. The method for cleaning ship oil pipelines according to claim 2, characterized in that: The temperature of the flowing oil is calculated by obtaining the pipe wall temperature, pipe wall thermal conductivity, convection parameters and pipe wall thickness of each branch of the ship's oil flow pipeline.

4. The method for cleaning ship oil pipelines according to claim 1, characterized in that: The critical Reynolds number is 4000, and the first Reynolds number is set to be ≥4000 to improve the washing efficiency of each branch of the ship's oil flow pipeline.

5. The method for cleaning oil flow pipelines in ships according to claim 1, characterized in that: If the first Reynolds number is less than the critical Reynolds number, calculating the critical flow velocity corresponding to the critical Reynolds number of the oil flowing in each branch of the ship's oil flow pipeline; The actual flow rate of the oil flowing in the oil flow pipeline of the ship is adjusted to be greater than or equal to the critical flow rate, and a second Reynolds number of the oil flowing is obtained according to the actual flow rate of the oil flowing, so that the second Reynolds number is greater than or equal to the critical Reynolds number.

6. The method for cleaning oil flow pipelines in ships according to claim 5, characterized in that: The process of adjusting the actual flow rate of the oil flowing in the oil flow pipeline of the ship includes: According to the relationship curve between the valve opening and the flow resistance of the oil flow, combined with the critical flow velocity of the oil flow, the opening of the valve installed in each branch of the ship's oil flow pipeline is determined, so that the flow velocity of the oil flow in each branch of the ship's oil flow pipeline is greater than or equal to the critical flow velocity; And / or, based on the relationship curve between pump pressure and oil flow rate, combined with the critical flow rate of the oil flow, determine the pressure of the pump installed in each branch of the ship's oil flow pipeline, so that the oil flow rate in each branch of the ship's oil flow pipeline is greater than or equal to the critical flow rate.

7. The method for cleaning oil flow pipelines in ships according to claim 1, characterized in that: The setting value is level 8 in the NAS standard.

8. A system for cleaning oil flow pipelines on ships, characterized in that: It includes an oil flow state judgment module, a pollution level judgment module and an execution module, wherein: The oil flow state judgment module is used to obtain the first Reynolds number of the oil flow in each branch of the ship's oil flow pipeline, and compare the first Reynolds number with the critical Reynolds number. The first Reynolds number is calculated by the following formula: Wherein, Re represents the Reynolds number, u represents the oil flow velocity in each branch of the ship's oil flow pipeline, d represents the inner diameter of the pipeline, and ν represents the kinematic viscosity of the oil flow in each branch of the ship's oil flow pipeline; The pollution level judgment module is used to obtain the pollution level of pollutants in each branch of the ship's oil flow pipeline. If the pollution level is greater than a set value, the ship's oil flow pipeline is washed in series; The execution module is used to adjust the first Reynolds number of the flowing oil to be greater than or equal to the critical Reynolds number so as to improve the cross-washing efficiency of each branch of the ship oil flow pipeline.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed on a processor, the processor is caused to execute the method according to any one of claims 1 to 7.

10. An electronic device, characterized in that: include: at least one memory for storing a program; At least one processor is used to execute the program stored in the memory, and when the program stored in the memory is executed, the processor is used to execute the method according to any one of claims 1 to 7.

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