Heat exchanger, especially for cooling cracked gas

US4848449A · kind A · utility

Assignee

• BORSIG GMBH · DE

Inventors

• Peter Brucher · Oranienburg, DE
• Helmut Lachmann · Berlin, DE

Key dates

• Filing date: May 11, 1988
• Grant date: Jul 18, 1989
• Expiry date: May 11, 2008

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F28F9/0229
• WIPO field: Thermal processes and apparatus
• WIPO sector: Mechanical engineering

Abstract

The gas-conveying pipes (8) of a heat exchanger employed to cool cracked gas are surrounded by and communicate with outer pipes (9). The outer pipes are welded into pipe slabs (4 and 5) and not only a convey a coolant but also secure the pipe slabs (4 and 5), which can accordingly by thin.