
Freshly harvested paddy consists of 18-25% of moisture which is unsuitable for storage. The optimal moisture for storage must be 12% to 13% which can be achieved by SKF Elixer’s Harvest Dryers.
There are 3 state-of-the-art Harvest Dryer models namely Hot Air Furnace Dryer, Cyclone Furnace Dryer and Steam Heat Exchange Dryer.
This dryer utilizes Hot air technology via flue gas. The hot air emanating from the Furnace (where husk and air are used for combustion resulting in flue gas) is made to pass through a heat exchanger. Hot air heat exchanger utilizes maximum heat from the flue gas, which increases the heat transfer efficiency. This heat exchanger provides an indirect heat required to dry the paddy. SKF is the first in India to have developed this unique hot air technology.
This dryer utilizes Steam from boiler / dryer to heat air via Steam Heat Exchanger unit. Temperature can be quickly and precisely established using this mechanism.
This dryer comprises of several compartments with inverted “V” ports arranged in a manner to create a zigzag movement of the paddy. An elevator takes the wet paddy from the dumping pit and fills the boxes of the dryer. Hot air from the Steam Heat Exchanger is forcibly blown through a duct known as plenum. Due to the unique placement of the inverted “V” ports, the hot air moves from one row to another evaporating the moisture which finally escapes to the atmosphere. The rotor arrangement kept at the bottom of the vertical LSU dryer rotates at a pre-determined speed and moves the hot paddy from top to bottom of the dryer. When this paddy reaches the boot of the elevator, it is taken by the moving buckets of the elevator to the top box of the dryer. This way the paddy is continuously rotated from top to bottom and the hot air is passed perpendicular to the zigzag movement of the paddy. This results in complete evaporation of moisture and uniform drying of the paddy.
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