gauge panel for boats
Now the boats' centralized control console is fully vitrified, basically a row of gauges (4-6 pieces), but the display content is similar to that in the electromagnetic control gauge panel.Boiler system: combustion system, fuel system, four pipe system, drum system, air system.Compressor system: pressure at main measuring points.Hydraulic system: pressure at main measuring points.Steering gear system: oil pressure, angle. Windlass system: position and oil pressure.Boat clock system: main car clock and subordinate car clock.Telephone system: speaker, program control.TV system: monitoring and temperature control.Shaft system: simulation disk, shaft speed, shaft torque, oil pressure of main bearings and oil pressure of water separation tank.Power distribution system: analog panel, power quality display and switching value display of main electrical appliances.Piping: analog panel, display of main valve switching value, flow rate and pressure of main pipeline.
The centralized control room is different from the centralized control of each duty post. Its main function is to focus on monitoring and overall data analysis.
In general, the starting and stopping requirements of the main engine are that it can be started and stopped on the control panel beside the machine, that is, on the main body of the main engine. In addition, the generator panel on the distribution board is also required to be started and stopped. Same requirements for emergency stop. In addition, emergency shutdown is also available in ESD system.
Although the exhaust emissions of diesel engines have improved, their manufacturing costs are still higher than those of gasoline engines. Like diesel engines, most gasoline engines do not have to have strong structures and parts to cope with greater combustion pressure and higher compression ratio. Moreover, diesel engines need to purchase expensive components to reduce exhaust emissions. The greatest advantage of the diesel power plant is its high thermal efficiency, and its fuel consumption is significantly lower than that of the steam power plant. Most modern marine diesel engines are low-speed engines, with a speed of about 100 revolutions per minute, which can directly drive the propeller. Especially in the early 1980s, long stroke and ultra long stroke low-speed engines appeared. The speed per minute is reduced to below 70 rpm, so that the propeller can give full play to its efficiency. After World War II, high-power medium speed aircraft were gradually applied to ships. It arranges the cylinders in a V-shape and uses reduction gears, which not only greatly reduces the weight of the fuselage, but also helps to improve the efficiency of the propeller. Due to the short body of the medium speed diesel engine.
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