Method and device for low energy consumption or granular products or the like containing moisture fixed or deposited at the surface with a constant yield

摘要

PCT No. PCT/HU82/00053 Sec. 371 Date Jun. 14, 1983 Sec. 102(e) Date Jun. 14, 1983 PCT Filed Oct. 18, 1982 PCT Pub. No. WO83/01502 PCT Pub. Date Apr. 28, 1983.A hot drying agent discharged from the section for material transport of the bound moisture, having a low moisture content, is recirculated to the front part of the drying area; the moisture content of both of the fed and discharged material is measured and by means of the differential-analogue signal thus obtained the stream of the material to be dried and in a given case the heating of the drying agent is controlled. An apparatus for performing the drying operation is also provided.