Patent · US Expired

Control of a cracking furnace

US4400784A · kind A · utility

8Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1981
Grant dateAug 23, 1983
Priority date
Expiry dateFeb 25, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S208/01
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Measurements of process variables associated with a cracking furnace are utilized to calculate the actual maximum tube skin temperature for the cracking furnace. The thus calculated actual maximum tube skin temperature is then utilized to derive a control signal which may be utilized to manipulate the rate at which heat is supplied to the cracking furnace. The accurate prediction of the actual tube skin temperature based on actual process measurements enables the conversion rate for the cracking furnace to be substantially maximized while preventing damage to the cracking tubes.

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