Instant knowledge: The boiler house
This information is intended to give a brief, non-technical overview of the steam plant. It offers an overall explanation of how the different parts of the steam plant relate to each other — and represents useful reading for anyone who is unfamiliar with the topic, prior to progressing to the next level, or indeed, before taking any form of detailed study of steam theory of steam plant equipment.
The boiler house
The boiler is the heart of the steam system. The typical modern packaged boiler is powered by a burner which sends heat into the boiler tubes.
The hot gases from the burner pass backwards and forwards up to three times through a series of tubes to gain the maximum transfer of heat through the tube surface to the surrounding boiler water. Once the water reaches saturation temperature (the temperature at which it will boil at the pressure) steam bubbles are produced, which rise to the water surface and burst, causing vaporization. The steam is released into the space above, ready to enter the steam system. The stop or crown valve isolates the boiler and its steam pressure from the process or plant.
Content provided by Spirax Sarco, originally published in Steam News Magazine.
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Annual Salary Survey
Before the calendar turned, 2016 already had the makings of a pivotal year for manufacturing, and for the world.
There were the big events for the year, including the United States as Partner Country at Hannover Messe in April and the 2016 International Manufacturing Technology Show in Chicago in September. There's also the matter of the U.S. presidential elections in November, which promise to shape policy in manufacturing for years to come.
But the year started with global economic turmoil, as a slowdown in Chinese manufacturing triggered a worldwide stock hiccup that sent values plummeting. The continued plunge in world oil prices has resulted in a slowdown in exploration and, by extension, the manufacture of exploration equipment.
Read more: 2015 Salary Survey