Physical Hazard Control: Preventing Injuries in the Workplace by Spellman Frank R. & Bieber Revonna M

Physical Hazard Control: Preventing Injuries in the Workplace by Spellman Frank R. & Bieber Revonna M

Author:Spellman, Frank R. & Bieber, Revonna M. [Spellman, Frank R.]
Language: eng
Format: mobi
Publisher: Government Institutes
Published: 2011-07-16T04:00:00+00:00


Boilers and Unfired Pressure Vessels

Boilers and unfired pressure vessels have many potential hazards in common that must be controlled by safety devices and safe work practices. Boilers are heated, pressurized vessels used to produce steam from water. They are most commonly found as propulsion units in vessels, steam-producing units for manufacturing processes, and home-heating furnaces. They can become a hazard if they are over-pressurized and explode. Unfired pressure vessels are normally unheated (“unfired”) containers that contain gasses or liquids under pressure.

• If exposed to external heat sources, the gases or liquids in these vessels can expand and create an explosion hazard. For example, an aerosol can thrown into a fire will explode from the pressure built up when the contents are heated.



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