The 2-Minute Rule for princiole of FBD
The 2-Minute Rule for princiole of FBD
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If Section of the heating power is supplied by The interior heat exchanger, a large thermal performance will often be obtained.
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The vaporized liquid is carried absent by the drying gases. In some cases to save lots of Power, the exit gas is partly recycled.
This drags and condenses the water Or dampness through the air and causes it to be dry. The chilled drinking water piping (supply and return line), in addition to, the Manage valve are outside of the AHU.
No compressed air is required for this established-up, which results in better yields as fewer particles are wrecked.
The need to suspend the complete bed in fuel brings about important strain drops and large Strength expenditures.
Granulating: Granulating is the method of making granules by spraying aqueous or organic and natural solvents to the mixed powder.
A fan is offered at the highest on the circulating hot air. Fresh air enters; filters and heat Trade are related serially to warmth the air to your needed temperature.
Nevertheless, this concern could be resolved by using an acceptable binding agent. Bag filters more info should be applied to collect any entrained wonderful particles.
Item Selection: The dried product is collected from the bottom of your drying chamber. It might then be further processed, packaged, or stored as essential.
From the food stuff marketplace, fluidized bed dryers are used for drying and cooling unique foods goods such as corn flakes, inexperienced tea, and immediate espresso. They are preferred for their high thermal effectiveness, speedy drying fee, and minimal possibility of item degradation.
If air is allowed to flow by way of a bed of reliable powdered materials while in the upward direction Along with the velocity more info larger than the settling price from the particles, the strong particles are going to be blown up and turn out to be suspended in the air stream.
Electrostatic demand: Electrostatic charge can often Develop up, which might induce powder to ignite or burn up.
Heating: The recent air transfers its heat to the solid particles. This heat results in the humidity inside the fabric to evaporate, changing from the liquid into a vapor point out. The recent air also carries away the dampness vapor.