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Language: English French
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Training Time: 12 minutes
Compatibility: Desktop, Tablet, Phone
Based on: Industry Standards and Best Practices
Languages: English, French
Steam is generated by adding enough heat energy to water to change it from a liquid to a gas phase. Latent heat is the heat energy required to accomplish this phase change. The latent heat in the steam can then be used to transfer heat to lower temperature surfaces. When saturated steam gives up its heat, it changes into liquid water called condensate that is at the same temperature as the steam. This module lists safety guidelines for steam generation and distribution systems, describes how steam can be used to transfer heat, and describes the relationship between steam pressure and saturated steam temperature.
Steam Pipe Safety
View Course
Paper Machine Dryer Hood Air Systems
Pulping and Papermaking Overview
Steam Theory for Paper Machines
Steam Theory for Tissue Machines
The following key questions are answered in this module:
What is "latent heat"?Latent heat is the heat energy that is required to convert a liquid to a gas - for example, liquid water to steam.
Why is it important that steam contains latent heat?When steam contacts a surface that is at a lower temperature than it, the steam will condense on the surface and transfer its latent heat to that surface
What is superheated steam?Superheated steam is steam that has been heated above its boiling point (for the current pressure)
Why is superheat sometimes added to steam, and then removed?Steam is superheated to prevent it from condensing in steam supply piping. Once it reaches its final destination, this superheat is often removed to encourage condensation and improve heat transfer.
Why is it important to try and recover the condensate from steam-heating systems?Condensate still contains large amounts of sensible heat and it may contain boiler feedwater treatment chemicals, so it reduces costs if it can be recovered and reused.
Below is a transcript of the video sample provided for this module:
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