Loeffler Boiler
Loeffler boiler is a water tube boiler and also used for forced circulation of water. It is used for superheated steam and power generation. This is a high-pressure boiler that produced pressure up to 100 bar.
Both the LaMont and Loeffler boiler generates steam with the use of saltwater but in the Loeffler boiler, there is no problem with Salt and sediment under the boiler but in the case of the LaMont boiler there is a problem of salt and sediment under the boiler surfaces.
The main components of Loeffler Boiler
1)Feed pump:- The main function of Feed pump is to feed the water to the main system.
2)Air preheater:- The air preheater preheats the air before sending it to the combustion chamber.
3)Blower:- It supplies hot air.
4)Economizer:- It preheats the feed water before entering into the evaporating drum and the economizer increases the boiler efficiency.
5)Evaporating drum:- It is placed at the lower position of the boiler. It contains the mixing nozzle. Here the feed water is converted into saturated steam with the help of the superheated steam from the superheater.
6)Steam Circulating Pump or Centrifugal Pump:- It is present in between the evaporating drum and radiant superheated. It circulates the steam into the boiler.
7)Radiant Superheater:- It superheats the steam with the help of radiation produced by the burnt fuel in the boiler.
8)Convective Superheater:– It superheats the steam to the desired temperature of above 500 degrees celsius.
9) Turbine:- The superheated steam is sent to the turbine blade for rotation and the blade is attached to the shaft which also rotates and, is connected to the induction motor for the generation of electricity.
10) Mixing Nozzle:– It is present inside the evaporating drum. The main function of mixing nozzles is to mix the steam from the superheater with feed water and evaporates them.
11)Chimney:- The function of chimneys is to exhaust the burnt gases into the atmosphere.
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