Know the difference between the smoke tube boilers and water tube boilers

Difference smoke and water tube boilers
Smoke Tube Boiler Water Tube Boiler
Rate of evaporation is low. Rate of evaporation is high.
Boiler pressure is low. Boiler pressure is high.
Less compact. Compact in size.
Gases flow through the tubes and surrounded by water. Water flow through the tubes and surrounded by the smoke.
Smoke tube boilers are used where steam demand is low. Water tubeboilers are used where steam demand is high.
Quality of water is not considered much. In this type of boiler the quality of water much maintained and required water treatment.
Steam storage capacity is more and this boiler is known as timed boiler. Capacity of steam holding is lesser, so its require continous operation.

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