Flow regulating device for primary air powder feeding pipe of coal-fired boiler
The adjustment mechanism combining flexible hose and sleeve solves the problem of irregular deformation and easy damage of flexible hose during compression, realizes uniform flow adjustment and precise control, and extends the service life of the device.
CN117167761BActive Publication Date: 2026-07-21NORTH UNITED ELECTRIC POWER CO LTD BAOTOU NO 2 THERMAL POWER PLANT
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NORTH UNITED ELECTRIC POWER CO LTD BAOTOU NO 2 THERMAL POWER PLANT
- Filing Date
- 2023-10-17
- Publication Date
- 2026-07-21
Smart Images
Figure CN117167761B_ABST
Abstract
The application discloses a kind of coal-fired boiler primary air powder conveying pipeline flow regulating devices.Coal-fired boiler primary air powder conveying pipeline flow regulating devices, comprising: flexible hose, sleeve is installed on the flexible hose, adjusting mechanism is equipped between the flexible hose and the sleeve;The adjusting mechanism includes the bandage installed on the flexible hose, the bandage surrounds the flexible hose at least one round, adjusting assembly is equipped on the sleeve.The coal-fired boiler primary air powder conveying pipeline flow regulating device provided by the application is tightened by setting flexible hose, sleeve and adjusting mechanism, using lifting rod and guide sleeve to the bandage, so that the contact part of flexible hose and bandage is basically consistent at each point, the pressure of bandage on flexible hose is dispersed, and the flexible hose is not easy to be damaged, and the cross section of the flexible hose after contraction is still approximately circular, the flow change is more regular, and the regulation and control is facilitated.
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