Used the draught of fan, natural air flows through purifying
cabinet, heater and froms high speed air flow in the hole of
material bed, which makes the material into
boiling(fluidized)status, during the large area touch between gas
and solid phases, mosture of material is veaporated quickly, and
thus reaching the purpose of drying.
Hopper is sealed with frame by way of O type air cell, featuring
convenient handling. Hopper is equipped with agitator inside,
materail is dried uniformly and speedily without boiling dead
Filter bag and cylinder automatic bag shake unit are supplied on
the top to avoid materialloss.
With air purifying cabinet, it usesoutdoor air has no influence on
air purifying load of purified workshop.
High drying speed, drying time can be freely set up according to
features of materials, normally at 10-30min.
The temperature during the fluided boiling drying process usually
changes in three stages: in the first stage, the temperature of the
material to be dried is gradually heated from room temperature to
the wet bulb temperature of the hot air; in the second stage, the
dried material keeps the hot air wet. The temperature of the ball
is constant until the moisture content in the material to be dried
is reduced to the critical humidity. At this time, there is no more
free water in the material to be dried; then, the temperature rises
to the third stage, and the dried material loses the bond between
the particles. Moisture.
Operating speed: In order for the particulate solid material to
operate under a high efficiency boiling dryer, the operating speed
must be above the critical fluidization velocity and below the
Critical drying speed: When the fluid in the dryer reaches the
drying point, that is, the bed pressure loss is equal to the mass
of solid particles per unit area of the bed, the drying speed at
this time is called the critical drying speed (also known as the
initial drying speed). Or the minimum drying speed), which is the
lowest speed of the drying operation.
Take-out speed: The take-off speed of the material to be dried is
numerically equal to the settling speed of the material to be
dried. When the gas exceeds this speed, the material will be taken
out of the drying chamber.
|Volume of hopper||Liter||200||300||400||500||650||800||1000|
|Air inlet temperature||0C||50-100|
|Weight of main frame||kg||1000||1200||1200||1500||1700||2000|