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| Cast Iron Yankee Cylinder Surface Stress Characteristics and Level Analysis |
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| DOI：10.11980/j.issn.0254-508X.2015.08.008 |
| Key Words:pressure vessel cast iron Yankee dryer codes standards |
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| Abstract:The Yangkee dryer of a toilet paper machine is different from the dryer in a multi-cylinder paper machine. Due to its large size, thick cylinder wall and large temperature changes on the cylinder surface when a single cylinder dries paper, the risk of using a Yangkee dryer increases. The quantity analysis of the stress caused by the temperature differences and the stress concentration beginning with the load design was conducted by practical calculations under the requirements of the corresponding codes and standards. The findings showthat it is essential to pay due attention to the stress caused by temperature differences and the stress concentration in designing big dryers to reduce accidental risks. |
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