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Language: English Polish Portuguese Russian
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Training Time: 32 minutes
Compatibility: Desktop, Tablet, Phone
Based on: Industry Standards and Best Practices
Languages: English, Portuguese, Polish, Russian
In order to create steam, high pressure water is pumped through tubes within the boiler. Fuel burned within the boiler supplies the heat which creates steam. This module describes boiler feedwater treatment, the importance of a boiler economizer, and the functions of the primary components on the waterside of a kraft recovery boiler.
At the end of this module, you will be able to:
The following key questions are answered in this module:
What is unique about feedwater pumps?Boilers operate at high pressure. The water which goes to the boiler must exceed the boiler pressure, so feedwater pumps are high pressure pumps.
What is the role of the economizer?The economizer is a set of heat transfer tubes in the exiting flue gas from the boiler. Heat is recovered from the flue gas and is used to heat inflowing feedwater.
What is the role of the superheater?After steam leaves the steam drum it flows through tubes in the hottest part of the boiler and becomes superheated.
What is the steam drum?Most of the circulation tubes in the boiler terminate at the steam drum. In the steam drum, steam is allowed to separate from boiling water.
How is water circulated through the waterwalls of a boiler?Water circulates through the water walls due to natural convection. Hot water is less dense and rises, cooler water is more dense and flows to the lower areas of the circulation system.
Below is a transcript of the video sample provided for this module:
Kraft Recovery Boiler Fundamentals
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Kraft Recovery Boilers - Fireside
Kraft Recovery Boilers - Precipitator
Kraft Recovery Boilers - Sootblowers
Kraft Recovery Boilers - Waterside
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