| 简介 |
FIELD : machine engineering.
SUBSTANCE : centrifugal blower contains a body, made in the form of a cylinder, the ends of which are closed by front and rear sealing lids fixed from movement, between which a changeable flow part is installed. The front lid is executed with an axial suction nozzle, and the rare lid is mounted between the impeller and the carrying block of the blower made in the form of a journal bearing and a thrust and radial bearing and is connected to them. The flow part includes an impeller, installed in cantilever on the rotor shaft, at the other end of which a drive coupling is installed, as well as a radial diffuser channel and the output cavity formed by the inner surface of the front lid, a removable scroll and a removable spacer ring. The change of the flow part of the aerodynamic stage is organized towards the drive coupling half.
EFFECT : invention makes it possible to repair or completely replace the flow part of the centrifugal blower without the need to disassemble the main pipeline to arrange access to the replaceable flow part while ensuring a high polytrophic efficiency of the blower.
3 dwg |
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