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Organic Rankine Cycle Systems for Waste Heat Recovery in Refineries and Chemical Process Plants
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The design of a low temperature Rankine cycle system using R-113 working fluid for recovery and conversion of process waste heat is described for typical applications in oil refineries and chemical plants. The system is designed to produce electric power from waste heat available in a temperature range from 180oF to 400oF. The design of a new ORC turbo generator uniquely adapted to applications of this type is presented. The unit has been designed for power outputs from 3/4 to 2 1/2 MW and turbine inlet temperatures from 170 to 260oF. The machine design has eliminated the need for shaft seals, shaft couplings and the usual lube oil console normally required for turbine-generator units. Results of prototype tests of a 1 MW unit are presented. A product package and recommended division of responsibilities between purchaser, A&E company and supplier is presented for installations in refineries and process plants. The product package covers the electrical power range from 3/4 to 5 MW and waste heat streams from 20 to 130 million BTU/hr.
SubjectLow Temperature Rankine Cycle System
Oil Refineries and Chemical Plants
Waste Heat Recovery
Meacher, J. S. (1981). Organic Rankine Cycle Systems for Waste Heat Recovery in Refineries and Chemical Process Plants. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from