Patent · US Expired

Process and apparatus for the recovery of waste heat from a coke oven operation

US4224109A · kind A · utility

77Cited by
5References
21Claims
0Family size

Assignees

Inventor

Key dates

Filing dateJul 24, 1978
Grant dateSep 23, 1980
Priority date
Expiry dateJul 24, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/129
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The waste heat resulting from a coke oven operation is recovered in a two-stage proceeding. The waste gas is first cooled to not more than about 400.degree. C. in a recuperator or regenerator of the oven to principally utilize the heat radiation of the gas. Then, in a second stage, the gas is subjected to further cooling in a separate heat exchanger to principally exploit the heat convection of the gas. The process permits to recover waste gas on both basic principles of waste recovery, that is the recovery by radiation and the recovery by convection.

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