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:
Dec. 11, 1990
Filed:
Mar. 28, 1989
Ulrich Schiffers, Eckental, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
A combined gas and steam turbine power generating plant includes a gas turbine, a combustion chamber of the gas turbine, an exhaust gas line of the gas turbine carrying tangible heat; a coal preparation plant including a coal milling and drying device and a coal gasifier with a coal side connected to the coal milling and drying device and a gas side; an air decomposition plant connected upstream of the coal gasifier on the gas side; a heat exchanger plant and a gas purifier connected downstream of the coal gasifier on the gas side including a pure gas line connected to the combustion chamber; a waste heat boiler connected to the exhaust line; and a device for utilizing the tangible heat in the exhaust gas line for drying milled coal in the coal preparation plant.