Device and method for drying grain

A device for drying grain, comprising:

• a housing having an inlet port and an outlet port, said inlet port being in fluid connection with said outlet port;
• a first passageway having a first entry end and a first exit end, said inlet port being in fluid connection with said first entry end;
• a first heating means mounted within a second passageway;
• said second passageway having a second entry end and a second exit end, said inlet port being in fluid connection with said second entry end;
• a grain flow housing being comprised of a cooling area, a first drying area above said cooling area, a second drying area above said first drying area, and a third drying area above said second drying area;
• a filter means across said grain flow housing from said first exit end and said second exit end;
• a recovery column in fluid connection with said grain flow housing through said filter means;
• an air supplying means in fluid connection with said recovery column and said inlet port;
• a recycle column in fluid connection with said air supplying means opposite said recovery column, said recycle column being in fluid connection with said outlet port;
• a filter cleaning means positioned within said recovery column and being comprised of a mobile blower, a blower intake, and a blower outlet, said mobile blower being in fluid connection with said recycle column and said blower outlet;
• and
• a conveying means within said recovery column and connected to said mobile blower.