Patent ID: 8529251
Filing Date: 2013-09-10
Classification: F27B

Abstract:
1. A rotary kiln comprising: a shell having a supply-side end portion and a discharge-side end portion in an axial direction of the shell, the shell comprising a heat treatment chamber which is provided inside the shell and in which a heat treatment is performed on a process material; a supply-side holder configured to hold the supply-side end portion; a discharge-side holder configured to hold the discharge-side end portion; a supply-side rotary shaft connected to the supply-side holder and configured to allow rotation of the supply-side holder; and a discharge-side rotary shaft connected to the discharge-side holder and configured to allow rotation of the discharge-side holder, wherein the shell has a hole in the supply-side end portion which allows the supply-side rotary shaft to penetrate inside the supply-side end portion and to have a penetrating end of the supply-side rotary shaft extending into the heat treatment chamber, and the supply-side rotary shaft and the discharge-side rotary shaft are rotatable such that the shell is rotated about an axis of the shell by rotating at least one of the supply-side rotary shaft and the discharge-side rotary shaft.