Ammonia solution issue

2015-08-11View Original

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There is currently a Q235B storage tank with a flat bottom and top, with a diameter of 6 meters, a height of 8.5 meters, and a wall thickness of 8 mm. The operating pressure is 2000 Pa, and it is located in the northeast region where the lowest temperatures reach -40 degrees. Is this feasible? Looking for relevant design standards? Where are you, expert?

Reply #22015-08-11

Dude, it seems like you posted in the wrong forum. It would be better to post it in the Containers forum

Reply #32015-08-11

Q235B cannot be used at that temperature; is it ammonia or liquid ammonia?

Reply #42015-08-11

Ammonia water. Are there any materials that provide an introduction to this?

Reply #52015-08-11

For ammonia water, carbon steel is sufficient; for your case, Q245R will work just fine. Ammonia water itself has little corrosive effect on carbon steel. It’s mainly the low temperature; at such temperatures, Q235B cannot be used.

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Ammonia solution issue

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