Method for directly cooling fine-particle solid substances

Details Method for directly cooling fine-particle solid substances Method for directly cooling fine-particle solid substances

2006-02-28

2006-02-28

Doerrler, William C. (Department: 3744)

Refrigeration

Storage of solidified or liquified gas

Liquified gas transferred as liquid

C062S052100, C062S063000, C062S064000

Reexamination Certificate

active

07003965

ABSTRACT:
The invention relates to a method for directly cooling fine-particle, powdery solid substances by using a cooling medium provided in the form of low-boiling condensed gases or of cold gases obtained therefrom, whereupon bulk material packings are subsequently filled with these solid substances. The invention also relates to a device for directly cooling the fine-particle, powdery solid substances and to fine-particle, powdery solid substances, which are located inside bulk material packings and which, compared to air, have a lower oxygen content in the gas phase between the solid substance particles.

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