This e-book units out to extend the notice, of operators in the chemical and technique undefined, to the risks of air and oxygen. It starts through describing the basics of fireplace utilizing the hearth triangle to provide an explanation for the connection of air and oxygen to fires. Discusses the makes use of of air and oxygen in the chemical and strategy industries, sooner than stating the aptitude risks with regards to the potential makes use of. utilizing examples of tangible injuries to focus on the aptitude threats and clarify the prospective explanations, it increases the data and wisdom of operators to the risks of air and oxygen, allowing them to identify risks sooner than injuries take place. The e-book concludes with a precis part reviewing and summing up the knowledge in the publication. an exceptional advent to the subject for college kids.
desk of Contents
1. a few basics
2. The Chemistry of fireplace
five. Ignition resources
7. different mess ups
eight. steer clear of Flammable combos
nine. cast off Oxygen
10. particular risks of natural Oxygen
eleven. Trapped strain danger
12. a few issues to recollect
try out your self!
Acronyms and Abbreviations
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Additional info for Hazards of Air and Oxygen
Unfortunately, he used a greasy spanner—grease was the fuel, the flexible hose provided the oxygen. The explosion ruptured the flexible hose (rupture pressure ϭ980 bars (14,200 psi)), broke all laboratory windows and injured the operator (see Figure 50 a & b). Figure 50a Damage caused by flexible hose rupture. Figure 50b The damaged hose. 45 HAZARDS OF AIR AND OXYGEN ACCIDENT A moored submarine started receiving gaseous oxygen into four banks of oxygen bottles located in the forward torpedo room.
Consider a source of pure oxygen! Pure oxygen is used in small quantities in compressed oxygen gas bottles (for on-line analysers, laboratories, first aid, etc) up to large quantities in liquefied oxygen pipelines (for example, to improve FCC units catalyst regeneration, etc). Remember that oxygen is a very efficient oxidizer. Using oxygen enriched atmospheres will increase two hazards: • • corrosion rate; fire/explosion risk. Therefore, introducing pure oxygen in a well-known process must be studied carefully—equipment that never corroded in the past may be subject to fulgurant corrosion process.
Before vessels are opened for internal inspection or repair, a gas test should be made to confirm the absence of hydrocarbons. * See BP Process Safety Booklet Hazards of Steam also. **See BP Process Safety Booklet Hazards of Water also. Figure 42 This is a device for determining the amount of air, or other noncondensibles, present in steam. A representative portion of the steam flows through the sample chamber, heating the sample chamber to steam temperature. Placing the sample chamber in the insulated container speeds up this step.
Hazards of Air and Oxygen