Patent · US Active

Systems and methods for step grinding

US11534770B1 · kind B1 · utility

0Cited by
188References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 14, 2020
Grant dateDec 27, 2022
Priority date
Expiry dateJun 29, 2041

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB02C2023/165
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method and apparatus for grinding a particulate material is disclosed. The method may include providing a system including a roller mill apparatus and a hammermill apparatus, operating the roller mill apparatus and the hammermill apparatus, adjusting a feed rate of particulate material to the roller mill apparatus until power consumption by operation of the roller mill apparatus achieves a target power consumption for the roller mill apparatus, and adjusting a gap between mill rolls of the roller mill apparatus until power consumption by operation of the hammermill apparatus achieves a target power consumption for the hammermill apparatus. The system may include roller and hammermill apparatus with sensing and controlling apparatus configured to operate the roller and hammermill apparatus according to the methods disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.