METHOD OF DRYING AND DEGASSING POLYMER GRANULES Russian patent published in 2020 - IPC B29B9/16 

FIELD: technological processes.

SUBSTANCE: method of producing dried polymer granules in an apparatus which has a dryer with a first chamber and a mechanical mixer, an apparatus further comprising a degassing hopper with a second chamber; method includes: feeding a stream of drying gas containing a first gas mixture for drying wet polymer granules into a first chamber; transfer of dried polymer granules to the second chamber; feeding second gas mixture for degassing dried polymer granules into second chamber, thereby converting second gas mixture to third gas mixture; feeding a portion of third gas mixture into first chamber; and a process for producing LDPE granules using said method.

EFFECT: disclosed is a method of producing dried polymer granules.

13 cl, 5 dwg