Issues regarding the standards for using liquid ammonia
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Liquid ammonia is used for cooling; before the unit is put into operation, liquid ammonia needs to be added, with a requirement of approximately 60 cubic meters. May the horizontal tank used to store this liquid ammonia be placed in the refrigeration zone? Is it still necessary to set up a dedicated tank area? Which standard provides clear instructions? Also, in the case mentioned above, is it necessary to have a backup tank for liquid ammonia?
First, ammonia is identified in accordance with the criteria for identifying major hazard sources; if it constitutes a major hazard source, management procedures for major hazard sources are applied.
Based on how much liquid ammonia is stored, what constitutes a major hazard source? The critical storage amount for liquid ammonia is 10 (T); exceeding this amount constitutes a major hazard source.