Automatic Fuel Oil Supply Unit
1. Automatic Fuel Oil Supply Unit Introduction
Automatic fuel oil supply unit is services for the fuel supply of diesel engine, can supply pressure stably for diesel fuel into the machine, meet the temperature and viscosity requested by diesel engine, to achieve the desired fuel burning effect, give full play to the maximum working efficiency, reduce exhaust of diesel engine and carbon, prolong the service life of diesel engine and parts.
This device is an individual and whole unit module, through the combination of various components requested by the system, let the users greatly improve their work efficiency during the design, construction, installation and debugging. Facilitate the operation of the turbine staff management and maintenance at the same time.
2. Automatic Fuel Oil Supply Unit Working principle
Diesel or heavy oil respectively from the service tank is entered into the oil supply unit, the 3-way switch valve, through the coarse filter before to supply pump, two as spare for oil pump. For oil pump exported equipped with a pressure regulating valve can be adjusted for the pump working pressure and outlet is equipped with pressure controller, pressure gauge to check the oil pump working condition. Fuel after fine filter to filter the flowmeter to mix oil drum, unit filter is installed in parallel of manual and automatic filter, import and export have their respective valve, normal use automatic filter, by-pass filter used for backup.
Mixing barrel with liquid level controller is used to detect mix oil drum level, low level alarm signal to the control box. System of diesel engine oil, hot oil into the mixing barrel, mixes with cold oil for oil pump input, produce oil and gas, by mixing barrel at the top of the automatic exhaust to crude oil service tank, and is equipped with emergency hand exhaust to the bottom of the oil supply unit. After the fuel mixture degassing in the mixing barrel into the booster pump, two as spare booster pump; Outlet is equipped with pressure controller, pressure gauge to check the oil pump working condition.
After booster pump to the fuel oil heater heating (steam or heat conduction oil heat exchange), heating fuel after a viscometer to measure viscosity, viscosity and viscosity controller feedback signal detection. By electric valve control of heat flow of feed, best viscosity control fuel into the diesel engine fuel injection pump, extra fuel system at the time of the return pipe and oil return back pressure regulating valve back to unit mix oil drum, mixed with oil in the cold mixing barrel and fuel supply pump cycles. System equipped with pressure gauge and relief valve at the exit, display fuel outlet pressure and adjust the fuel pressure into the machine. But above all fuel oil supply unit set oil supply, purification, cyclic heating and complex viscosity/temperature control function.
3. Heating and viscosity control system fault and processing of Automatic Fuel Oil Supply Unit
When the viscosity control failure, firstly according to the "Viscometer daily work instructions" to adjust the standard setting of the value on the control instrument to normal. If the viscosity control cannot use, select temperature control mode.
If viscosity control and temperature control were unable to automatically control the oil temperature, check the electric regulator is whether can work normally, if not work D03 valve is open, use manual control to adjust the heat to stabilize oil temperature, make oil temperature to the normal range.
Note: if three sets of plans are not working, you should check whether the heat input is normal.
4. Process Principle of Automatic Fuel Oil Supply Unit
5. IACS Certificate Options: BV, CCS.
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