| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a winding type pressure vessel having a structure soaking a piano winding layer in cooling water for cooling inner cylinder and capable of prolonging fatigue life without increasing the size and weight of the whole vessel when compared with a conventional pressure vessel by preventing reduction of service life of piano wires forming the piano winding layer caused by hydrogen embrittlement and corrosion. Ž<P>SOLUTION: This winding type pressure vessel is provided with the piano winding layer 4 provided coaxially with a cylinder 1 on an outer side of the cylinder 1 while a plurality of cooling water passages 3 extended in the direction of an axis of the inner cylinder along an outer peripheral face of the inner cylinder are formed between the inner cylinder 1 and the piano winding layer 4 and constituted by winding the piano wires having tensile force to give compression stress to the inner cylinder 1, and an opening of the inner cylinder 1 is sealed by a lid member to treat an object to be treated at high temperatures under high pressures. A terminal of one piano wire and a start of the other piano wire are mutually coupled through a joint section made of hydrogen absorbing alloy by welding in a plurality of piano wire connecting parts in the piano winding layer 4. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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