ISO INTERNATIONAL STANDARD 13579-1 First edition 2013-01-15 Industrial furnaces and associated processing equipment Method of measuring energy balance and calculating efficiency - Part 1: General methodology Fours industriels et équipements associes-Methode de mesure du bilan énergétique et de calcul de I'efficacité - Partie 1: Méthode générale Reference number ISO 13579-1:2013(E) @ ISO 2013 y IHS unde nse from IHS Not for Resale ISO 13579-1:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or isO's memberbody in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2013 - All rights reserved itted without license from IHS Not for Resale ISO 13579-1:2013(E) Contents Page Foreword Introduction .vi 1 Scope 2 Normative references.. 3 Terms and definitions .. 3.1 Terms related to type of energy used in this part of IsO 13579, 4 Symbols used in this part of Iso 13579.... .5 5 Basic principles. 10 5.1 10 5.2 Energy flow diagram .... 5.3 Process Heating Assessment Survey Tool 13 6 Basicconditionsofmeasurementandcalculation. .14 6.1 State of furnace ... 6.2 14 6.3 Unit of specific energy consumption .... 14 6.4 Reference conditions... 14 6.5 Unit of amount of gas.. 6.6 14 7 Type of energy evaluated in this part of Is0 13579 and its systematization 15 7.1 General... 15 7.2 Energy balance .. 15 7.3 Thermal energy balance . 17 7.4 Energy balance of electrical generation . 7.5 Recycled energy.... .18 8 Measurement method.. .18 8.1 General 18 8.2 19 8.3 Atomizationagent..... 8.4 Combustion air and exhaust gas... 20 8.5 Controlled atmospheric gas... 24 8.6 Products and jigs/fixtures for product handling. 8.7 Temperature of furnace surface 25 8.8 Furnace inner wall temperature ... 25 8.9 Inner furnace pressure.... .26 8.10 Cooling water.... 8.11 Electrical auxiliary equipment... 26 8.12 Generation of utilities... 26 8.13 Recycled energy.... 26 9 26 9.1 General provisions 26 9.2 Total energy input .... 27 9.3 Total energy output.... 30 9.4 Total energy efficiency.. 10 Energy balance evaluation report.... Annex A (informative) Assesment of uncertainty of the total energy efficiency.... Annex B (informative) Measurement method concerning regenerative burners.... Copyrght International OrganizaionforStandardizalonghts reserved ii nse from IHS Not for Resale