Patent · US Expired

Combustion air preheating

US4617109A · kind A · utility

13Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1985
Grant dateOct 14, 1986
Priority date
Expiry dateDec 23, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S585/914
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Combustion air for steam cracking furnaces is preheated by indirect heat exchange with medium pressure and low pressure steam that has been expanded through steam turbines from high pressure steam produced in the hot section of an ethylene production plant.

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