| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a non-metal expansion joint for a high temperature duct which is capable of protecting a bellows from high temperature gas and allowing a gas turbine plant or the like to operate continuously to thereby attain maintenance labor saving and cost reduction. SOLUTION: In a non-metal expansion joint 2 for a high temperature duct expansively connecting between adjacent high temperature ducts 1a and 1b by an expansion joint body 3 including a bellows 4 having a heat insulating member 7 on an inner side of a wall and a frame 5 to which the bellows 4 is attached, an air A is supplied into the bellows 4 of the expansion joint body 3 and made to flow out toward the high temperature duct 1 after ventilating through the heat insulating member 7.</p> |
