La mont boiler

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1. LAMOUNT BOILER BY BHARATHKUMAR.B

2. La- mont boiler

3. La- mont boiler It is a modern high pressure water tube, forced circulation externally fired boiler. The working pressure is about 170 bar and evaporating rate is about 45 tones per hour at about 500 degree C.

4. Construction: It has a feed pump, economizer, air pre heater, super heater, convective evaporator, radiant evaporator, a boiler drum and a circulating pump.

5. Working: The feed water from hot well is pumped to the boiler drum through economizer. In the economiser , the feed water is preheated by the flue gases. The circulating pump circulating the drawn feed water through radiant and convective evaporator via distributing heater. The water is evaporated into wet steam. The wet steam from these tubes enters the boiler drum where steam is separated. The dry steam is passed through a convective superheater and the steam is superheater by the flue gases. This superheated steam is supplied to the prime mover. The cold air is preheated in preheater by flue gases before entering the combusion chamber to aid combustion of fuel.

6. Advantages Compact. Flexibility in design. Drum size is small. Disadvantages On the inner surface of the heating tubes formation and attachment of bubbles takes place.