BS ISO 13579-3-2013 Industrial furnaces and associated processing equipment Method of measuring energy balance and calculating efficiency Batch-type aluminium melting furnaces《工业炉及.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 13579-3:2013Industrial furnaces andassociated processingequipment Method ofmeasuring energy balance andcalculating efficiencyPart 3: Batch-type aluminium meltingfurnacesBS

2、 ISO 13579-3:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 13579-3:2013.The UK participation in its preparation was entrusted to TechnicalCommittee RHE/13, Oil burning equipment.A list of organizations represented on this committee can beobtained on requ

3、est to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 72512 8ICS 25.180.01Compliance with a British St

4、andard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 January 2013.Amendments issued since publicationDate Text affectedBS ISO 13579-3:2013Reference numberISO 13579-3:2013(E)ISO 2013INTERNATIONA

5、L STANDARD ISO13579-3First edition2013-01-15Industrial furnaces and associated processing equipment Method of measuring energy balance and calculating efficiency Part 3: Batch-type aluminium melting furnaces Fours industriels et quipements associs Mthode de mesure du bilan nergtique et de calcul de

6、lefficacit Partie 3: Fours dormants de fusion pour laluminium BS ISO 13579-3:2013ISO 13579-3:2013(E) COPYRIGHT PROTECTED DOCUMENT ISO 2013 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,

7、 including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body 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 copyrightiso.org Web www.iso.org P

8、ublished in Switzerland ii ISO 2013 All rights reservedBS ISO 13579-3:2013ISO 13579-3:2013(E) ISO 2013 All rights reserved iiiContents Page Foreword . v Introduction vi 1 Scope 1 2 Normative references 1 3 Terms and definitions . 1 3.1 Terms related to type of energy used in this part of ISO 13579 .

9、 2 4 Symbols 5 5 Basic principles . 7 5.1 General . 7 5.2 Energy flow diagram . 9 5.3 Process Heating Assessment Survey Tool 9 6 Basic conditions of measurement and calculation . 9 6.1 State of furnace . 9 6.2 Duration of measurement . 9 6.3 Unit of specific energy intensity 9 6.4 Reference conditio

10、ns 9 6.5 Unit of amount of gas 9 6.6 Fuel . 9 7 Type of energy used in this part of ISO 13579 . 9 7.1 General . 9 7.2 Energy balance 10 7.3 Thermal energy balance . 11 7.4 Energy balance of electrical generation . 12 7.5 Recycled energy 13 8 Measurement method . 13 8.1 General . 13 8.2 Fuel . 13 8.3

11、 Atomization agent . 13 8.4 Combustion air and exhaust gas . 14 8.5 Products . 14 8.6 Temperature of furnace surface 16 8.7 Furnace inner wall temperature . 16 8.8 Inner furnace pressure 16 8.9 Cooling water . 16 8.10 Electrical auxiliary equipment 16 8.11 Generation of utilities 16 8.12 Recycled en

12、ergy 16 9 Calculation . 17 9.1 General provisions 17 9.2 Total energy input . 17 9.3 Total energy output . 18 9.4 Total energy efficiency 20 10 Energy balanace evaluation report 21 Annex A (informative) Reference data 22 Annex B (informative) Measurement of energy balance and calculation of efficien

13、cy of a batch-type aluminium melting furnace sample report . 24 BS ISO 13579-3:2013ISO 13579-3:2013(E) iv ISO 2013 All rights reservedAnnex C (informative) Assessment of uncertainty of the total energy efficiency 32 Bibliography 35 BS ISO 13579-3:2013ISO 13579-3:2013(E) ISO 2013 All rights reserved

14、vForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a

15、technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matter

16、s of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulat

17、ed to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible

18、 for identifying any or all such patent rights. ISO 13579-3 was prepared by Technical Committee ISO/TC 244, Industrial furnaces and associated thermal processing equipment. ISO 13579 consists of the following parts, under the general title Industrial furnaces and associated processing equipment Meth

19、od of measuring energy balance and calculating efficiency: Part 1: General methodology Part 3: Reheating furnaces for steel Part 2: Batch-type aluminium melting furnaces Part 4: Furnaces with protective or reactive atmosphere BS ISO 13579-3:2013ISO 13579-3:2013(E) vi ISO 2013 All rights reservedIntr

20、oduction All calculations within this part of ISO 13579 are based on the location of equipment at reference conditions. NOTE For equipment intended to be installed above or below sea level, it is expected that the impact of the elevation be calculated for that location. BS ISO 13579-3:2013INTERNATIO

21、NAL STANDARD ISO 13579-3:2013(E) ISO 2013 All rights reserved 1Industrial furnaces and associated processing equipment Method of measuring energy balance and calculating efficiency Part 3: Batch-type aluminium melting furnaces 1 Scope This part of ISO 13579 specifies general methodology for measurin

22、g energy balance and calculating the efficiency of the process involving batch-type aluminium melting furnaces as designed by furnace manufacturers. This general methodology includes: measurement methods; calculations (general calculation); energy balance and efficiency calculation evaluation report

23、. This part of ISO 13579 is not applicable to any efficiencies related to the process itself outside of batch-type aluminium melting furnaces. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. F

24、or dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 13574, Industrial furnaces and associated processing equipment Vocabulary ISO 13579-1:2013, Industrial furnaces and associated processing

25、 equipment Method of measuring energy balance and calculating efficiency Part 1: General methodology 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 13574 and the following apply. BS ISO 13579-3:2013ISO 13579-3:2013(E) 2 ISO 2013 All rights reserved3

26、.1 Terms related to type of energy used in this part of ISO 13579 3.1.1 Total energy input 3.1.1.1 total energy input Einputaggregate of measured energy input brought into the area of energy balance, and which is composed of fuel equivalent energy and other energy input 3.1.2 Fuel equivalent energy

27、3.1.2.1 fuel equivalent energy Efeaggregate of input energy which is composed of calorific value of fuel, calorific value of waste, calorific value of source gas of atmospheric gas and fuel equivalent energy of electricity 3.1.2.2 calorific value of fuel Eh,fuelheat of combustion of fuel which is co

28、nsumed and used for heating products in the area of energy balance 3.1.2.3 calorific value of waste Eh,wastecalorific value of waste which is brought to the area of energy balance with products EXAMPLE Waste oil on aluminium scrap. 3.1.2.4 fuel equivalent energy of electricity Efe,elaggregate of fue

29、l equivalent energy of electricity converted from each occurrence of electrical energy consumption in the area of energy balance 3.1.3 Other energy input 3.1.3.1 other energy input Eothersenergy that is composed of sensible heat of fuel, sensible heat of combustion air or other oxidant, sensible hea

30、t of atomization agent for liquid fuel, heat of reaction and sensible heat of infiltration air 3.1.3.2 heat of reaction Ereactheat generated by the oxidation reaction of products in the area of energy balance measurement EXAMPLE The formation of scale of steel products during the oxidation reaction.

31、 3.1.3.3 sensible heat of infiltration air Es,infiltsensible heat of air that leaks into the furnace through supply/discharge port or gaps in the operating systems of the furnace Note 1 to entry This term may be replaced with “sensible heat of false air“. BS ISO 13579-3:2013ISO 13579-3:2013(E) ISO 2

32、013 All rights reserved 33.1.4 Total energy output 3.1.4.1 total energy output Eoutputaggregate of measured energy output emitted from or consumed in the area of energy balance which is composed of thermal energy output, energy consumed in electrical auxiliary equipment, energy used for generation o

33、f utility and electrical generation loss 3.1.5 Thermal energy output 3.1.5.1 thermal energy output Etherm,outaggregate of thermal energy which is emitted from the area of energy balance Note 1 to entry Thermal energy output is composed of energy defined in 3.1.5.2 to 3.1.5.11. 3.1.5.2 effective ener

34、gy Eeffectenthalpy that products gain in the area of energy balance 3.1.5.3 sensible heat of oxidized substance El,oxidsensible heat of substances which have reacted with oxygen, formed in the thermal process brought out from the area of energy balance measurement 3.1.5.4 sensible heat of exhaust ga

35、s Eexhaustsensible heat of expended gas which is emitted from the area of energy balance measurement 3.1.5.5 heat storage loss by batch-type furnace El,storagesensible heat which a furnace refractory gains within a batch-type furnace operation cycle 3.1.5.6 wall loss El,wallthermal energy emitted fr

36、om the surface of industrial furnaces by radiation and convection 3.1.5.7 heat loss of discharged blowout from furnace opening El,blowoutsensible heat of blowout gas emitted from the furnace opening 3.1.5.8 heat loss of radiation from furnace opening El,openingthermal energy emitted from the furnace

37、 opening by radiation 3.1.5.9 heat loss from furnace parts installed through furnace wall El,partsthermal energy emitted through furnace parts which are installed through furnace wall EXAMPLE As in the case of a roller hearth furnace. BS ISO 13579-3:2013ISO 13579-3:2013(E) 4 ISO 2013 All rights rese

38、rved3.1.5.10 cooling water loss El,cwthermal energy brought out by cooling water from the area of energy balance measurement 3.1.5.11 other losses El,otherunmeasured thermal energy losses from the area of energy balance 3.1.6 Energy consumed in electrical auxiliary equipment 3.1.6.1 energy consumed

39、in electrical auxiliary equipment Eauxenergy utilized in electrical auxiliary equipment which is composed of energy consumed in installed electrical auxiliary equipment and energy used for fluid transfer 3.1.6.2 energy consumed in installed electrical auxiliary equipment Eaux,installedaggregate of t

40、otal energy used in installed electrical auxiliary equipment (e.g. fans, pumps) installed in the area of energy balance 3.1.6.3 energy used for fluid transfer Eaux,fluidaggregate of energy for fluid transfer calculated from the property of the fluid EXAMPLE For cooling water, fuel, etc. 3.1.7 Energy

41、 used for generation of utility 3.1.7.1 utility service other than fuel and electricity provided to the area of energy balance EXAMPLE Oxygen, steam and atmospheric gas as specified in ISO 13579-1:2013, 3.1.7.1. 3.1.7.2 energy used for generation of utility Eutilityaggregate of energy for the genera

42、tion of utilities used in the area of energy balance 3.1.8 Electrical generation loss 3.1.8.1 electrical generation loss El,egenergy loss in electrical generation which is backcalculated from fuel equivalent energy and total consumed electrical energy 3.1.9 Thermal energy balance 3.1.9.1 thermal ene

43、rgy input from electrical heating source heat energy entering the process from an electrical heating source, such as an electrical heater emitted to the area of energy balance BS ISO 13579-3:2013ISO 13579-3:2013(E) ISO 2013 All rights reserved 53.1.9.2 circulating heat heat that circulates within eq

44、uipment or system installed in the area of energy balance 3.1.10 Energy balance of electrical generation 3.1.10.1 total consumed electrical energy Ee,totalaggregate of electrical energy which is consumed in the area of energy balance and equal to the sum of thermal energy input from electrical heati

45、ng source, energy consumed in electrical auxiliary equipment and electrical energy used for generation of utility 3.1.10.2 electrical energy used for generation of utilities Ee,utilityaggregate of electrical energy consumed for generation of utilities (e.g. generation of oxygen) used in the area of

46、energy balance 3.1.11 Recycled energy 3.1.11.1 recycled energy Ereenergy that is regenerated from the wasted thermal energy from the area of energy balance EXAMPLE Energy reused in waste gas boiler. 4 Symbols For the purposes of this document, the following symbols apply. NOTE Tons used are metric t

47、ons. Symbol Meaning Unit cpm,p1mean specific heat of products between Tp1and 273,15 K kJ/(kgK) cpm,p2mean specific heat of products between Tp2and 273,15 K kJ/(kgK) cpm,psmean specific heat of products between Tsand 273,15 K kJ/(kgK) cpm,oxidmean specific heat of scale kJ/(kgK) Eauxenergy consumed i

48、n electrical auxiliary equipment per ton of products kJ/t Eaux,fluidaggregate of energy used for fluid transfer per ton of products kJ/t Eaux,installed aggregate of energy used in installed electrical auxiliary equipment per ton of products kJ/t Eeffecteffective energy per ton of products kJ/t Eexha

49、ustsensible heat of exhaust gas per ton of products kJ/t eAlheat by formation of scale per kilogram of scale kJ/kg elatentlatent heat of melting per kilogram of aluminium kJ/kg Efefuel equivalent energy per ton of products kJ/t Efe,elfuel equivalent energy of electricity per ton of products kJ/t Eh,fuelcalorific value of fuel per ton of products kJ/t Eh,wastecalorific value of waste per ton of products kJ/t BS ISO 13579-3:2013ISO 13579-3:2013(E) 6 ISO 2013 All rights reservedSymbol Meaning Un

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