Water Tube Boilers: Vertical tube boiler, Horizontal tube boiler, Inclined tube boiler

Water Tube Boilers

• In this boiler, the water flows inside the tubes and hot gases flow outside the tube.

Water tube boiler are classified as

1. Vertical tube boiler

2. Horizontal tube boiler

3. Inclined tube boiler

• The circulation of water in the boiler is may be natural or forced.

• For Central steam power plants large capacity of water tube boilers are used.

• The tubes are always external to the drum they can be built in smaller size and therefore withstand high pressure.

• The boiler drum contains both steam and water, the former being trapped from the top of the drum where the highest concentration of dry steam exists.


Water tube bolier
Water tube bolier

 

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