公开(公告)号：US20190339007A1

公开(公告)日：2019-11-07

申请号：US16076198

申请日：2017-02-14

Applicant: Basell Polyolefine GmbH

Inventor： Harald Prang ,  Michael Chatterjee ,  Reinhard Kuehl ,  Alexander Seifert

IPC: F26B3/084 ,  B01J8/00 ,  B01J8/26 ,  B01J8/18 ,  B01J8/36 ,  F26B21/14 ,  C08F6/24 ,  C08F6/00 ,  C08F10/02

Abstract: A method for preparing a dried powder is provided. The facility includes a first drying chamber having a heating element and a second drying chamber. A mixture of powder and diluent is introduced into the first drying chamber. A pre-dried powder is transferred from the first drying chamber into the second drying chamber. A dried powder, including a recirculated amount of powder and a discharge amount of powder, is formed in the second drying chamber. The recirculated amount of the dried powder is transferred by a conveyor device from the second drying chamber into the first drying chamber. The discharge amount of the dried powder is discharged from the second drying chamber.

公开(公告)号：US10788262B2

公开(公告)日：2020-09-29

申请号：US16076198

申请日：2017-02-14

Applicant: Basell Polyolefine GmbH

Inventor： Harald Prang ,  Michael Chatterjee ,  Reinhard Kuehl ,  Alexander Seifert

IPC: F26B3/084 ,  B01J8/00 ,  B01J8/18 ,  B01J8/26 ,  B01J8/36 ,  C08F6/00 ,  C08F6/24 ,  C08F10/02 ,  F26B21/14 ,  C08F2/14 ,  C08L23/06

Abstract: A method for preparing a dried powder is provided. The facility includes a first drying chamber having a heating element and a second drying chamber. A mixture of powder and diluent is introduced into the first drying chamber. A pre-dried powder is transferred from the first drying chamber into the second drying chamber. A dried powder, including a recirculated amount of powder and a discharge amount of powder, is formed in the second drying chamber. The recirculated amount of the dried powder is transferred by a conveyor device from the second drying chamber into the first drying chamber. The discharge amount of the dried powder is discharged from the second drying chamber.