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What type of boiler is Loeffler boiler?
The Loeffler boiler is an internally fired furnace with forced circulation, high pressure and water tube boiler
Is Loeffler boiler a fire tube boiler?
Loeffler boiler is a water tube boiler used for generating steam by the burning of fuel which is coal and further that is used for the generation of power.
What is feature of the Loeffler boiler?
Correct Answer : Evaporating water by super heated steam.
Is Loeffler boiler a high pressure boiler?
The Loeffler boiler is an internally fired furnace with forced circulation, high pressure and water tube boiler. In Loeffler boiler, 75% of superheated steam is used to evaporate the water within the evaporator drum and the remaining 25% of the steam from the superheater is utilised by the turbine.
Which steam is generated in Loeffler boiler?
In this boiler, the 2/3 part of the superheated steam is used to evaporate the feed water into the evaporating drum and remaining 1/3 part flows to the turbine. Loeffler boiler has the capacity to produce 100 tonnes/ h of steam at a temperature of 500 degree C and pressure of 140 bar.
Which safety valve is used on high pressure boilers?
Relief valves are used in the high pressure boiler. High and low pressure boilers use pressure relieve valves. The pressure is maintained by releasing excess pressure.
What is a once-through boiler?
Overview. Once-through boilers are able to produce steam at higher pressures and temperatures than drum boilers. In thermal power plants, raising steam conditions (pressure and temperature) can enable efficiency gains in power generation equipment, allowing an operator to reduce its fuel consumption and CO2 emissions.
How many safety valves are required on a boiler?
two safety valves
Each boiler shall be equipped with two safety valves for relieving the steam pressure. The diameter of the valve shall not be less than 19 mm.
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