Patent · US Expired

Manufacture of cement in rotary vessels

US4022629A · kind A · utility

28Cited by
4References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 10, 1976
Grant dateMay 10, 1977
Priority date
Expiry dateFeb 10, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P40/121
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The manufacture of cement clinker in a rotary vessel wherein cement raw materials are heated to complete calcination and effect clinkering by the combustion of fuels in the gaseous atmosphere within the vessel is improved by incorporating into the cement raw materials a residual fuel having a low volatiles content and a high ignition temperature.

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