Conair Carousel Plus D Series User Manual page 139

Po o r M a t e r i a l D r y i n g Tr o u b l e s h o o t -
i n g
Residence Time - The time your material supplier has determined that the material
in use must be heated to its drying temperature to achieve proper drying.
Problem
Material residence time is too
long or short.
( c o n t i n u e d )
Possible cause
Material level in hopper is too low.
Material throughput is too high.
Funnel flow/ preferential flow "Rat hole"
Solution
Make sure there is an adequate supply of
material to feed the loader on top of the
drying hopper.
Correct any problems with the convey-
ing system that may be preventing your
loader from filling the hopper.
If your hopper has a level sensor for
maintaining a material level less than
completely full, be sure this sensor is ad-
justed properly.
Take any necessary steps, such as slow-
ing down the process, to ensure the ma-
terial usage is within design
specifications of the dryer and hopper.
Replace dislodged diffuser inside the
drying hopper.
Tr o u b l e s h o o t i n g l 6 - 2 7