The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 1995
Filed:
Mar. 23, 1994
Henrik O Stahl, Rungsted Kyst, DK;
Haldor Topsoe A/S, , DK;
Abstract
Waste heat boiler comprising within a cylindrical shell a plurality of heat exchanging tubes having an inlet end and outlet end; attached to the shell, means for introducing water on shellside of the tubes; means for introducing a hot process stream into the inlet end of the tubes and passing the gas stream through the tubes in indirect heat exchange with the water on the shellside of the tubes to produce water/steam and to cool the introduced process stream; means for withdrawing produced water/steam, and means for withdrawing the cooled gas stream; wherein the tubes are arranged in at least two tube bundles each of which is provided with means for adjusting flow distribution and flow rate of the hot gas stream between the tube bundles to control the production of steam and the cooling of the process stream.