Powder Flow in hooper

How to enhance powder flow in a hooper?

1.Use of proper glident.
2.Proper slope of hopper.
3.proper granulation.

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vibration mechanism
rotating rods in hooper
can also be used.

what is vibration mechanism?

Rotating rods may impact in particle size distribution…!!!

the effect is counter by force feedrs revolving blades.

vibratory mechanism of hooper to enhance flow

By increasing the Bulk density and Tap density in European Pharmacopoeia chapter 2.9.34. 1 to 10 compressibility index percent then excellent flow property