Heat-treating operations in cleaning metals
Metals are subjected to heat-treatment methods to gain or obtain certain metal characteristics after having been cleansed of impurities such as oil and other chemicals (Chartres and co. 2019,). The process involves quenching techniques that place the workers’ safety and health in serious risk. Workers are exposed to risks throughout the process, which include extreme temperatures, chemicals as well as explosions and other danger elements.
Volume is 15,000 feet3
Safety factor equals 3
The rate of ventilation is 2100 cubic centimeters per minute.
Solvent evaporation rate = 0.6 cfm
= 15000/2100 = 7.14
= 0. 708 Cfm
When they are working, employees must wear appropriate clothing, making sure they are wearing the correct face shield, gloves that are heat resistant and all other protective clothing. Workers should ensure whether all equipment for safety, such as exhaust fans, air switches and automatic shut-off valves are in good working order prior to beginning to ignite the furnace. In addition, every quenching area must be ventilated to ensure the proper level of the oil mist control.
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