What are the parts of steam turbine?
The main parts of a steam turbine are (1) the rotor that carries the blading to convert the thermal energy of the steam into the rotary motion of the shaft, (2) the casing, inside of which the rotor turns, that serves as a pressure vessel for containing the steam (it also accommodates fixed nozzle passages or stator …
What are the parts of turbine?
The turbine components to be installed are the tower, nacelle, hub and blades.
What is the lifespan of a steam turbine?
Steam turbines are very rugged units, with operational life often exceeding 50 years.
What is the principle of steam turbine?
In simple terms, a steam turbine works by using a heat source (gas, coal, nuclear, solar) to heat water to extremely high temperatures until it is converted into steam. As that steam flows past a turbine’s spinning blades, the steam expands and cools.
Can steam turbine operates without lubrication?
Steam turbines cannot operate without lubrication. Therefore, turbine lubricating oil systems must be designed, operated and maintained for extreme reliability. Lubricating oil systems affect overall facility loss prevention more than most mechanical systems. They contain combustible liquid under pressure.
How are steam turbines used in Mitsubishi power plants?
Mitsubishi Power has steadily contributed to the development of highly efficient coal-fired thermal power plants by raising the operable temperature range of its steam turbines. We have already delivered several units capable of operating at supercritical main steam temperatures of 600°C and reheat steam temperatures of 620°C.
What are the main stop valves on a steam turbine?
Main stop valves (MSV) and regulating valves (RV), which are critical turbine parts, have numerous moving parts and are subject to high pressure and high temperatures. These parts are serviced while the ship is docked, to check for deterioration.
Do you need to replace the monitor on a steam turbine?
However, current monitors can be replaced by the new VM-5 model without any modifications to your system. Main stop valves (MSV) and regulating valves (RV) play an important role in regulating turbine steam. These parts need to be inspected and/or replaced during the service inspection while the ship is docked.
Which is the best type of steam turbine?
MHI group produces highly efficient and reliable steam turbines, backed by extensive experience and proprietary know-how. Our cutting-edge steam turbine technologies include higher performance blades and long Integral Shroud Blades (ISBs), as well as materials to achieve higher temperatures.