Oil supply balancing method for fuel oil supply cabin and fuel oil boiler burner of ship
By designing an oil supply system including fuel filter, flowmeter, oil pump, oil mixing barrel and liquid level sensor, the problems of fuel return and viscosity reduction after pressurized supply of the ship's fuel supply tank are solved, and the balance and safety of fuel supply are achieved.
Patent Information
- Application Number
- CN202411890580.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-03-14
AI Technical Summary
In the prior art, after the ship's fuel oil supply tank is pressurized to the fuel boiler burner, part of the fuel oil flows back to the oil supply tank, resulting in a decrease in fuel viscosity and poses a safety hazard.
Design an oil supply system, including a fuel supply tank, an oil-fuel boiler burner and an oil supply unit, which includes a fuel filter, a flowmeter, an oil pump, a mixed oil barrel and a liquid level sensor. Set the liquid level through the liquid level sensor and control the pneumatic regulating valve to keep the liquid level constant and prevent the viscosity from falling and bubbles entering.
The balance and safety of fuel oil supply is achieved, the problems of lowering fuel viscosity and bubble entry are avoided, and the stability and safety of the oil supply system are ensured.
Smart Images
Figure CN119616735A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of ship fuel oil inlet and outlet methods, and in particular to a ship fuel oil supply tank and fuel oil boiler burner fuel supply balancing method with simple method, good fuel supply effect, balanced fuel supply and high safety performance. Background Art
[0002] As we all know, the ship's fuel oil supply tank supplies fuel to the fuel oil boiler burner. In order to ensure the combustion effect of the fuel oil boiler burner, the ship's fuel oil supply tank is generally pressurized to supply the fuel oil boiler burner. After the pressurized fuel enters the fuel oil boiler burner and is burned, part of it will return to the fuel oil supply tank. In this way, since the fuel has been heated after passing through the boiler, its viscosity will decrease, and it will be dangerous if it enters the fuel oil supply tank again. Summary of the invention
[0003] The purpose of the present invention is to solve the above-mentioned deficiencies in the prior art and to provide a method for balancing the oil supply to a ship fuel oil supply tank and a fuel oil boiler burner, which has a simple method, good oil supply effect, balanced oil supply and high safety performance.
[0004] The technical solution adopted by the present invention to solve its technical problem is: A method for balancing the oil supply of a ship's fuel oil supply tank and a fuel oil boiler burner, characterized in that the method steps of balancing the oil supply are as follows: (1) Design of oil supply system: The system is provided with a fuel oil supply tank and a fuel oil boiler burner. A fuel supply unit is provided between the fuel oil supply tank and the fuel oil boiler burner. The fuel supply unit includes a fuel oil filter, a flow meter, an oil pump and an oil mixing drum. The fuel oil supply tank is connected to the fuel oil filter, the flow meter and the oil pump in sequence through pipelines. The oil pump is connected to the inlet of the fuel oil boiler burner through pipelines. The outlet of the fuel oil boiler burner is connected to the inlet of the three-way valve through pipelines. One outlet of the three-way valve is connected to the fuel oil supply tank through pipelines. The other outlet of the three-way valve is connected to the inlet of the oil mixing drum through pipelines. The outlet of the oil mixing drum is connected to the pipeline between the flow meter and the oil pump through pipelines. Then, a pneumatic regulating valve is connected to the pipeline at the outlet of the oil mixing barrel, the upper end of the side of the oil mixing barrel is connected to the oil guiding upper pipe, the lower end of the side of the oil mixing barrel is connected to the oil guiding lower pipe, the oil guiding upper pipe and the oil guiding lower pipe are connected via the oil guiding pipe, a liquid level gauge is installed on the oil guiding pipe, the liquid level gauge is connected to the liquid level sensor, the oil supply unit includes a controller, the controller is connected to the liquid level sensor and the pneumatic regulating valve, the liquid level sensor transmits the liquid level to the controller, the controller controls the opening of the pneumatic regulating valve, an alarm is installed on the oil guiding pipe, the alarm is connected to the controller, the liquid level sensor transmits the signal to the controller, the controller transmits the signal to the alarm, thereby realizing the alarm function; (2) Set the liquid level and supply oil: The fuel is supplied at a pressure exceeding the pressure required by the fuel boiler burner. The remaining fuel is discharged through the outlet of the fuel boiler burner and enters the oil mixing tank. The liquid level of the liquid level sensor is set to the middle position of the oil mixing tank. The liquid level sensor outputs a signal to the controller, and the controller adjusts the opening of the pneumatic control valve. Even if the viscosity and pipe resistance are different, the liquid level height is always maintained at a set level. A low liquid level alarm is added to the oil mixing tank to prevent the pump from sucking in bubbles and damaging the oil pump.
[0005] In step (1) of the present invention, a pressure relief connecting pipeline is provided above the oil mixing barrel, and the pressure relief connecting pipeline is connected to the cabin air and sounding pipe system.
[0006] The inlet height position of the oil mixing drum in step (1) of the present invention is higher than the high oil level height position of the fuel oil supply tank, and the minimum distance between the inlet height position of the oil mixing drum and the high oil level height position of the fuel oil supply tank is 100 mm.
[0007] The bottom outlet height of the oil mixing drum described in step (1) of the present invention is lower than the low oil level height of the fuel oil supply tank, and the minimum distance between the bottom outlet height of the oil mixing drum and the low oil level height of the fuel oil supply tank is 200 mm.
[0008] In step (2) of the present invention, the set liquid level height value of the liquid level sensor is 600 mm, and the minimum alarm liquid level height value is 300 mm.
[0009] The present invention adopts the above method, so it has the advantages of simple method, good oil supply effect, balanced oil supply, high safety performance and the like. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a structural schematic diagram of the present invention. DETAILED DESCRIPTION
[0011] The present invention is further described below in conjunction with the accompanying drawings: As shown in the attached figure, a method for balancing the oil supply between a ship's fuel oil supply tank and a fuel oil boiler burner is characterized in that the method steps of oil supply balancing are as follows: (1) Design of oil supply system: The system is provided with a fuel oil supply tank 1 and a fuel oil boiler burner 2, characterized in that a fuel supply unit is provided between the fuel oil supply tank 1 and the fuel oil boiler burner 2, the fuel supply unit comprising a fuel oil filter 3, a flow meter 4, an oil pump 5 and an oil mixing barrel 6, the fuel oil supply tank 1 is connected to the fuel oil filter 3, the flow meter 4 and the oil pump 5 in sequence through pipelines, the oil pump 5 is connected to the inlet of the fuel oil boiler burner 2 through pipelines, the outlet of the fuel oil boiler burner 2 is connected to the inlet of a three-way valve through pipelines, one outlet of the three-way valve is connected to the fuel oil supply tank 1 through pipelines, the other outlet of the three-way valve is connected to the inlet of the oil mixing barrel 6 through pipelines, the outlet of the oil mixing barrel 6 is connected to the pipeline between the flow meter 4 and the oil pump 5 through pipelines, A pneumatic regulating valve is connected to the pipeline at the outlet of the oil mixing barrel 6, the upper end of the side of the oil mixing barrel 6 is connected to the oil guiding upper pipe 7, the lower end of the side of the oil mixing barrel 6 is connected to the oil guiding lower pipe, the oil guiding upper pipe 7 and the oil guiding lower pipe 8 are connected via an oil guiding pipe 9, a liquid level meter 10 is installed on the oil guiding pipe 9, and the liquid level meter 10 is connected to a liquid level sensor 11, the oil supply unit includes a controller, the controller is connected to the liquid level sensor 11 and the pneumatic regulating valve 12, the liquid level sensor 11 transmits the liquid level to the controller, the controller controls the opening of the pneumatic regulating valve 12, an alarm 13 is installed on the oil guiding pipe 9, the alarm 13 is connected to the controller, the liquid level sensor 11 transmits the signal to the controller, and the controller transmits the signal to the alarm 13, thereby realizing the alarm function; (2) Setting the liquid level and supplying oil: The fuel is supplied at a pressure exceeding the pressure required by the fuel boiler burner. The remaining fuel is discharged through the outlet of the fuel boiler burner and enters the oil mixing barrel. The liquid level of the liquid level sensor 11 is set. The set liquid level value is in the middle position of the oil mixing barrel 6. The liquid level sensor 11 outputs a signal to the controller, and the controller adjusts the opening of the pneumatic regulating valve 12. Even if the viscosity and pipe resistance are different, the liquid level height is always maintained at a set liquid level. A low liquid level alarm is added to the oil mixing barrel 6 to prevent the pump from sucking in bubbles and damaging the oil pump 5. Furthermore, a pressure relief connecting pipeline is provided above the oil mixing barrel 6, and the pressure relief connecting pipeline is connected to the cabin air and the sounding pipe system.
[0012] Furthermore, the inlet height position of the oil mixing barrel 6 is higher than the high oil level height position of the fuel supply tank 1, and the minimum distance between the inlet height position of the oil mixing barrel 6 and the high oil level height position of the fuel supply tank 1 is 100 mm.
[0013] Furthermore, the bottom outlet height of the oil mixing barrel 6 is lower than the low oil level height of the fuel supply tank 1, and the minimum distance between the bottom outlet height of the oil mixing barrel 6 and the low oil level height of the fuel supply tank 1 is 200 mm.
[0014] When the present invention designs the return oil mixing barrel 6 for the fuel system of the generator and the boiler, it can prevent the oil in the mixing barrel 6 from being emptied, and bubbles from entering the fuel pump 5, causing pressure fluctuations and damaging the fuel pump 5. It can also enable the flow meter 4 to measure the fuel consumption more accurately. The set liquid level height value of the liquid level sensor 11 is 600mm, and the minimum alarm liquid level height value is 300mm. Due to the adoption of the above method, the present invention has the advantages of simple method, good oil supply effect, balanced oil supply, high safety performance, etc.
Claims
1. A method for balancing the oil supply between a ship's fuel supply tank and a fuel boiler burner, characterized in that The steps for oil supply balance are as follows: (1) Design of oil supply system: The system is provided with a fuel oil supply tank and a fuel oil boiler burner. A fuel supply unit is provided between the fuel oil supply tank and the fuel oil boiler burner. The fuel supply unit includes a fuel oil filter, a flow meter, an oil pump and an oil mixing drum. The fuel oil supply tank is connected to the fuel oil filter, the flow meter and the oil pump in sequence through pipelines. The oil pump is connected to the inlet of the fuel oil boiler burner through pipelines. The outlet of the fuel oil boiler burner is connected to the inlet of the three-way valve through pipelines. One outlet of the three-way valve is connected to the fuel oil supply tank through pipelines. The other outlet of the three-way valve is connected to the inlet of the oil mixing drum through pipelines. The outlet of the oil mixing drum is connected to the pipeline between the flow meter and the oil pump through pipelines. Then, a pneumatic regulating valve is connected to the pipeline at the outlet of the oil mixing barrel, the upper end of the side of the oil mixing barrel is connected to the oil guiding upper pipe, the lower end of the side of the oil mixing barrel is connected to the oil guiding lower pipe, the oil guiding upper pipe and the oil guiding lower pipe are connected via the oil guiding pipe, a liquid level gauge is installed on the oil guiding pipe, the liquid level gauge is connected to the liquid level sensor, the oil supply unit includes a controller, the controller is connected to the liquid level sensor and the pneumatic regulating valve, the liquid level sensor transmits the liquid level to the controller, the controller controls the opening of the pneumatic regulating valve, an alarm is installed on the oil guiding pipe, the alarm is connected to the controller, the liquid level sensor transmits the signal to the controller, the controller transmits the signal to the alarm, thereby realizing the alarm function; (2) Set the liquid level and supply oil: The fuel is supplied at a pressure exceeding the pressure required by the fuel boiler burner. The remaining fuel is discharged through the outlet of the fuel boiler burner and enters the oil mixing tank. The liquid level of the liquid level sensor is set to the middle position of the oil mixing tank. The liquid level sensor outputs a signal to the controller, and the controller adjusts the opening of the pneumatic control valve. Even if the viscosity and pipe resistance are different, the liquid level height is always maintained at a set level.
2. A method for balancing the oil supply between a ship fuel supply tank and a fuel boiler burner according to claim 1, characterized in that In the step (1), a pressure relief connecting pipeline is provided above the oil mixing barrel, and the pressure relief connecting pipeline is connected to the cabin air and sounding pipe system.
3. A method for balancing the oil supply between a ship fuel supply tank and a fuel boiler burner according to claim 1, characterized in that The inlet height position of the oil mixing drum in step (1) is higher than the high oil level height position of the fuel oil supply tank, and the minimum distance between the inlet height position of the oil mixing drum and the high oil level height position of the fuel oil supply tank is 100 mm.
4. A method for balancing the oil supply between a ship fuel supply tank and a fuel boiler burner according to claim 1, characterized in that The bottom outlet height of the oil mixing drum described in step (1) is lower than the low oil level height of the fuel oil supply tank, and the minimum distance between the bottom outlet height of the oil mixing drum and the low oil level height of the fuel oil supply tank is 200 mm.
5. A method for balancing the oil supply between a ship's fuel supply tank and a fuel boiler burner according to claim 1, characterized in that In the step (2), the set liquid level height value of the liquid level sensor is 600 mm, and the minimum alarm liquid level height value is 300 mm.
Citation Information
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