Safety Valve: A spring loaded valve that automatically opens when pressure attains the valve setting.Furnace: An enclosed space provided for the combustion of fuel.Sediment, mud, and other impurities gather there. Mud Ring or Mud Drum: A typically cylindrical shaped space at the bottom of the water space. The burner is the principal device for the firing of oil and/or gas. BURNER – A device for the introduction of fuel and air into a furnace at the desired velocities. Boiler Shell: The outer cylindrical portion of a pressure vessel.Overall efficiency of the plant is increased.Evaporation capacity of the boiler is increased.If the boiler is fed with cold water it may result in chilling the boiler metal.The temperature range between various parts of the boiler is reduced which results in reduction of stresses due to unequal expansion.Two safety valves: The commonly used safety valves are: Dead weight safety valve, Lever safety valve, spring loaded safety valve and High steam and low water safety valve.Man and mud(sight)holes: Used to allow men to enter inside the boiler for inspection and repair.
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