Should liquid ammonia be evaluated as a liquid or a gas?

I’m not sure what method you use for evaluation; generally, it is based on the liquid itself

It should be evaluated as a high-pressure gas, right?

Last time it was handled as a liquid, but experts suggested treating it as a gas, as its hazard classification falls under Category 2.3 toxic gases; therefore it should be considered a gas. However, after consulting friends from the design institute, they said it’s better to treat it as a liquid

Liquid ammonia is ammonia that has been liquefied under high pressure; it can be transported using specialized liquid ammonia pumps, and it should be evaluated in its liquid state

Experts? Or so-called experts? There are all kinds of such so-called experts everywhere! Ask them whether liquid ammonia is in a gaseous state

Should liquid ammonia be evaluated as a liquid or a gas? Should you be asking about fire hazard, fire separation distances, or something else? Regarding fire separation distances, it is specified in the stone construction code GB50016: Section 3 – Above-ground storage tanks for liquefied hydrocarbons, flammable gases, and oxidizing gases; Article 5.3.3 states that the fire separation distances between storage tanks within such tank groups shall not be less than those specified in Table 5.3.3. Table omitted. Note: 1. D is the diameter of the adjacent larger storage tank. 　　　2. The fire separation distance between storage tanks of different types shall be the larger value. 　　　3. The fire separation distance for liquid ammonia and liquid oxygen storage tanks is the same as that for liquefied hydrocarbon storage tanks. This post was last edited by Wu Minghua on 2009-3-27 at 15:55.]

Firstly, the difference between gases and liquids means that the required safety distances are different

According to GB18218-2000, it should be classified as a liquid; the quantity is 40 tons at the production site and 100 tons in the storage area

Based on gas assessments, even if it’s completely exhausted, the casualties won’t be severe； In terms of liquids, with such a large amount of it, a leakage accident would result in severe casualties. There are many accident cases available for reference. Experts are too untrustworthy; is the boss behind this?

I don’t quite agree with the view from above – \"If evaluated based on gases, even if they all run out, the casualties won’t be severe.\"； In terms of liquids, with such a large amount of it, a leakage accident would result in severe casualties. ” This should be evaluated in light of the nature of liquid ammonia; it’s not that the smaller the potential accident scale, the better to choose that option

It should be evaluated based on its gas properties; it is a high-pressure liquefied substance with a very low boiling point, making it easy to vaporize