The issue of the same fire separation distance between liquid ammonia storage tanks as that for liquefied hydrocarbons
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According to the detailed standards, the fire separation distance between liquid ammonia storage tanks is the same as that for liquefied hydrocarbons. Therefore, apart from the fire separation distance between liquid ammonia storage tanks, should the regulations applicable to liquefied hydrocarbons or those applicable to flammable liquids be followed regarding the distances between liquid ammonia loading/unloading pumps and loading arms? Additionally, according to the criteria for identifying major hazards in the chemical industry, chemical production facilities are required to have dual power supplies. Is load classification necessary for this? Do all chemical production facilities need dual power supplies? Thank you!
To install a backup power supply, it is necessary to determine the type of equipment; not all chemical processing equipment requires a dual power supply, as that would significantly increase the cost.
For liquid ammonia that is specified, fire separation distances shall be considered in accordance with liquefied hydrocarbon storage tanks; for those not specified, they shall be treated as flammable materials. Liquid ammonia isn’t a liquefied hydrocarbon; thus, it suffices to follow Section 6.4 regarding handling facilities for flammable liquids. Dual power supplies should only be considered in cases where a power outage could lead to safety incidents; don’t overthink it