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負圧筒体の壁厚の簡易計算

2019-03-08View Original

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機器専門家でない者が質問します:φ4400×13000、操作圧力:-3000Pa、操作温度:105℃、材質:Q235B。壁厚を簡単に計算する方法はありますか? 設置環境:底部7mは室内、上部6mは屋根上30mの高さにあり、基本風圧は0.7kPa
Reply #22019-03-09
腐食余量2mm、12mm厚で大丈夫ですか?
Reply #32019-03-09
計算してみたら、8mmの厚さがちょうど良く、12mmでも問題ない
Reply #42019-03-10
まず壁厚と計算長さを決定し、その安定性を計算する
Reply #52019-03-11
計算してみると、腐食余量が2mmの場合の最小厚さは8mmで、安全を見て10mmにすることができます。

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