| 摘要 |
The present invention relates to a rostol used in a solid fuel combustor and, more specifically, to a rostol improved to extend life by inducing a structure to bear high heat, and to a manufacturing method of same. The rostol in the present invention includes a pipe of a stainless material bearing high temperature, a down-warping pipe with less change, and a castable refractory bearing high temperature, and acting as a frame, where the rostol is characterized by inserting the down-warping pipe inside a stainless outer pipe to be fitted, and fulfilling the castable refractory inside. |
