Boosting centrifugal blower for delivering hot gas and its sealing method

Application Number: 00105171
Application Date: 2000.04.13
Publication Number: 1279359
Publication Date: 2001.01.10
Priority Information:
International: F04D17/10;F04D29/24
Applicant(s) Name: Ding Zhenhua
Inventor(s) Name: Ding Zhenhua
Patent Agency Code: 33202
Patent Agent: di zhongbeng
Abstract An airflow sealing of blower for the pressure delivery of hot gas or other high-temp media is disclosed. Said boosting centrifugal blower is composed of casing, blade wheel, front end plate, sealing unit, mainshft, insulating shell and filler, bearing box, coupler, antiexplosion motor and machine frame. An open radical blade wheel is composed of shaft disk, blades, wheel and auxiliary blades. The shaft sleeve in sealing unit has air channel communicated to mainshaft. The air-sucking mouth is communicated to said air channel in seal mode via the hole on shell of sealing unit. An air inlet mouth is communicated to said air-sucking mouth via tube.