Dri-Air Industries HA1000B 운영 매뉴얼 - 페이지 8
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페이지 인쇄DRYER OPERATION &
ROUTINE
MAINTENEANCE
Page 8
DRI-AIR
Operating the Dryer
The Hot Air Dryer series is equipped with several features to
facilitate their safe operation. Each dryer is equipped with a
process air heater safety override that will actuate in the event
the heaters "run away", as well as a "Heater Cool Down"
cycle, that keeps the blower operating for a short period of
time after the dryer is shut down.
Heater Cool Down
To facilitate a quicker cooling of the process heaters, the dryer
blower will operate for approximately one minute and then
automatically stop after the dryer is shut down using the
START/STOP actuator. This feature will not actuate if the
dryer is shut down by pushing the E-STOP button.
High Temp Safety Override
The dryer is equipped with a safety snap disc located in the
heater terminal compartment of the heater box. This snap
disc will actuate when the temperature exceeds 550 degrees
F, cutting power to the heaters. The blower wil continue to
operate so that the heaterbox will not overheat and must be
shut down manually with the START/STOP actuator. The
heaters will not operate until the unit cools down.
Routine Maintenance
Our Hot Air dryers are capable of operating in heavy industrial
to clean room environments with no significant loss in
performance. In order to maintain this high level of
performance, the operator should take the following steps:
Hopper Maintenance/Material Control
1. In order to ensure that material is sufficiently dried;
a. The material hopper should be kept filled to a constant,
predetermined level to allow sufficient dwell time in the
hopper to dry the material
b. To ensure proper air flow through the hopper, always
keep the level of material above the spreader cone on
the diffuser basket, ensuring that it is completely
covered.
c. Routinely clean the hopper and diffuser basket by
removing the spreader cone assembly and blowing the
basket and hopper out with compressed air.
d. Do not overfill the hopper, blocking the exhaust port at the
top.
Filter Maintenance
1. Routinely remove and clean the filter element (Strongly
recommended that this be performed weekly.) by blowing it
OPERATING MANUAL - HA750-1500B HOT AIR DRYERS
Revision 10/8/02
INDUSTRIES, INC.