## Construction of lacashire boiler, Mechanical Engineering

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Construction of Lacashire boiler:

CONSTRUCTION: Consists of boiler shell which contains water and steam. Diameter can vary from 1.75 to 2.75 m and length can be 7.25 - 9 m.  It has 2 side channels connected to rear end of boiler shell and then finally to chimney. To provide larger heating surface area it has 2 large diameter flue gas tubes. The tubes are tapered with the larger diameter in front and smaller diameter at back. The taper is provided to accommodate grate. Two grates are provided at front end of flue gas tubes.  For controlling flow of flue gases the two dampers are provided at rear end. Further for cleaning and inspection of drum, manhole is also provided. Other boiler mountings such as feed check valve, water level gauge, pressure gauge, steam stop valve, blow off cock are also provided.

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