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Application of absorption heat transformer to recover waste heat from a synthetic rubber plant

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Indexed by:期刊论文

Date of Publication:2003-05-01

Journal:APPLIED THERMAL ENGINEERING

Included Journals:Scopus、SCIE、EI

Volume:23

Issue:7

Page Number:797-806

ISSN No.:1359-4311

Key Words:absorption heat transformer; waste heat recovery; industrial application; economical analysis

Abstract:This paper reports the test results of the first industrial-scale absorption heat transformer (AHT) equipment in China, to recover the waste heat released from mixture of steam and organic vapor at 98degreesC in coacervation section, synthetic rubber plant of Yanshan Petrochemical Corporation, Beijing, China. The recovered heat is used to heat hot water from 95 to 110degreesC, feeding back to the coagulator as the supplementary heating source. The AHT system is operating with H2O/LiBr solution with heat flow of 5000 kW. The coefficient of performance (COP), the thermal efficiency and the temperature lift of the AHT system are presented. The heat transfer characteristics of the AHT components, i.e. absorber, generator, evaporator, condenser and the liquid liquid solution heat exchanger, are also illustrated by comparison of experimental data and the model calculated results. The results show that the mean COP is 0.47, the gross temperature lift of 25degreesC can be realized and the payback period is approximate to2 years. (C) 2003 Elsevier Science Ltd. All rights reserved.

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