Distinguish between fire tube and water tube boilers in steam power plant.
Fire Tube boiler
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Water Tube boiler
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In fire tube boilers hot gases are passed through the tubes and water surrounds these tubes.
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In these boilers water is inside the tubes and hot gases are outside the tubes.
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Steam at low pressure and low temperature is generated.
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Steam at high pressure and high temperature is generated.
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Rate of steam generation for per hour is less.
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Rate of steam generation for per hour is more.
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Steaming time is very more.
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Steaming time is very less.
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The output of the boiler is not high.
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The output of the boiler is high.
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Low efficiency.
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High efficiency.
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Less control on temperature of steam.
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Better control on temperature of steam.
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Not respond quickly to change in steam demand.
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Respond quickly to change in steam demand.
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Its weight is more.
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Its weight is less.
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Less risk of explosion due to low pressure.
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Risk of explosion is more due to high pressure.
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