BLOWER FOR HIGH TEMPERATURE ENVIRONMENT

摘要

PURPOSE: A blower for a high temperature environment is provided to prevent the separation of an impeller during operation, caused by the thermal expansion and loosening of a lock nut for fixing the impeller. CONSTITUTION: A blower for a high temperature environment comprises an outer rotary shaft(110), an adaptor part(130) and a rotary joint part(140). The outer rotary shaft comprises an impeller(101) installed with a lock nut(111) in a main body and is supported on a bearing member to be rotated by the power of a drive motor. The adaptor part comprises an outer adapter(132) which is assembled to the other end of the outer rotary shaft and an inner adapter(131) which is connected to the other end of an inner hollow pipe(120) by passing through the outer adapter. The rotary joint part supports the rotation of the outer rotary shaft and supplies cooling water into the inner hollow pipe.