The compression itself and the gas inside both pose dangers that can be serious hazards. All employees who come in contact with compressed gas cylinders should be able to understand what gases are inside the cylinder, how to hook up the cylinder and how to store the cylinder.Some of the many uses of compressed gas cylinders are to provide fuel for welding, supply breathable air, and to carry out lab experiments. Storing these gases puts them under a tremendous amount of pressure and this can cause accidents and releases. In order to understand and work with cylinders correctly, workers need to understand the different types of gases stored in the cylinders and how they are compressed.
Standard compression squeezes substances into the cylinder, but keeps them in gaseous form - Oxygen and hydrogen are stored this way. Carbon Dioxide and Propane are stored in liquid form. Acetylene is dissolved into a solvent and then compressed. Nitrogen and Argon are compressed by cooling them into a Cryogenic Liquid.Many of these gases present problems when released. Checking the labels and warning signs on the cylinders will help understand their dangers. Carbon Monoxide and Phosgene can be poisonous. Flammable gasses and Oxidizers like Fluorine and Oxygen can cause fires and explosions. Corrosives like Chlorine can burn the skin and Nitrogen and Helium can actually push breathable air out of a room. Nitrogen is stored at an extremely low temperature and can burn the skin.
The proper storing of cylinders is imperative. All cylinders should be kept in a cool, dry place that is out of the direct sunlight and be secured so they can't fall or bump each other. Oxidizers and Flammables should be separated into different room at least 30 feet apart.
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