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GB/T 40816.11-2021Industrial furnaces and associated processing equipment - Method of measuring energy balance and calculating energy efficiency - Part 11: Evaluation of various kinds of efficiency (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 11, 2021

Implementation date

October 11, 2021

Scope

GB/T 40816.11-2021 (Industrial furnaces and associated processing equipment - Method of measuring energy balance and calculating energy efficiency - Part 11: Evaluation of various kinds of efficiency) is available as an English-translated PDF.

GB/T 40816.11-2021 — This document specifies the classification and name of the energy efficiency assessment methods for industrial furnaces and related process equipment (TPE), including the efficiency. This document does not apply to the following TPE types. ---Blast furnace, alkaline oxidation furnace, coke oven; --- Furnaces where the gas produced is used as fuel (including by-product gas); ---Special gas generator; ---Industrial furnaces designed for chemical plants or petroleum plants; --- Facilities for heating or burning in an open air environment; ---A device that burns solid fuel; ---Waste incinerator.

Document preview — GB/T 40816.11-2021

National Standard of the People's Republic of China

Classification
K 61

Issued by: State Administration for Market Regulation, China National Standardization Administration

Contents

  • 1 Scope1
  • 2 Normative references1
  • 3 Terms and definitions1
  • 3.1 General terms2
  • 3.2 Balance Sheet3
  • 4 Symbol3
  • 4.1 Energy/Symbol4
  • 4.2 Other symbols5
  • 5 Boundary conditions and energy (enthalpy)7
  • 5.1 Composition of assessment scope7
  • 5.2 Classification of boundary conditions8
  • 5.3 Energy (enthalpy) classification8
  • 5.4 Energy (enthalpy) calculation10
  • 6 Enthalpy efficiency15
  • 6.1 General formula15
  • 6.2 Example of typical efficiency15
  • 7 Efficiency16
  • 7.1 General principles16
  • 7.2 Boundary conditions17
  • 7.3 Classification17
  • 7.4 Calculation17
  • 7.5 Efficiency20
  • 8 Naming21
  • 8.1 General requirements21
  • 8.2 Each independent project module21
  • 8.3 Types of operation22
  • 8.4 Energy source22
  • 8.5 Example22
  • 9 Measuring23
  • 10 Evaluation Report23
  • Appendix A (informative) Energy efficiency evaluation example24
  • Appendix B (informative) Enthalpy efficiency and efficiency comparison of continuous heating furnace33
  • Appendix C (informative) Evaluation procedure for energy saving effect of combustion furnace40
  • References50

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"

Drafting.

This document is part 11 of GB/T 40816 "Industrial Furnace and Related Process Equipment Energy Balance Test and Energy Efficiency Calculation Method".

GB/T 40816 has released the following parts.

---Part 11.Various efficiency assessments.

The translation method used in this document is equivalent to ISO 13579-11.2017 "Energy balance test and energy efficiency meter for industrial furnaces and related process equipment"

Calculation Methods Part 11.Various Efficiency Evaluations.

The following editorial changes have been made to this document.

--- Deleted cpm and ex in 4.2 of ISO 13579-11.2017 (because cpm, ex and cg are defined repeatedly, and cpm and ex are not used in the text

use);

---Deleted item f) and item g) in C.4.3.2 of ISO 13579-11.2017 (because item f), item g) and item d),

Column item e) content is repeated], and the formula number after formula (38) is changed in order.

Introduction

Industrial furnaces and related process equipment are thermal equipment that uses heat from fuel combustion or electric energy conversion to heat materials or workpieces. for

Evaluate the energy efficiency of industrial furnaces and related process equipment, and formulate GB/T 40816 "Energy balance test and energy efficiency of industrial furnaces and related process equipment

Calculation method. GB/T 40816 aims to specify energy balance testing and energy efficiency calculation methods for industrial furnaces and related process equipment.

Partial composition.

---Part 1.General methods. The purpose is to describe the general purpose of energy balance testing and energy efficiency calculation for industrial furnaces and related process equipment

method.

---Part 2.Reheat furnace for steel. The purpose is to describe the special method of energy balance test and energy efficiency calculation of steel reheat furnace.

---Part 3.Intermittent aluminum melting furnace. The purpose is to describe the special method of energy balance test and energy efficiency calculation of batch aluminum melting furnace.

---Part 4.Protective or reactive atmosphere furnace. The purpose is to describe the energy balance test and energy

Special method of efficiency calculation.

---Part 11.Various efficiency assessments. The purpose is to describe various efficiency evaluation methods of industrial furnaces and related process equipment.

The other parts are formulated according to the general part and used in conjunction with the general part.

Energy balance test of industrial furnace and related process equipment and

Energy efficiency calculation method Part 11.Various efficiency evaluations

1 Scope

This document specifies the classification and name of the energy efficiency assessment methods for industrial furnaces and related process equipment (TPE), including the

efficiency.

This document does not apply to the following TPE types.

---Blast furnace, alkaline oxidation furnace, coke oven;

--- Furnaces where the gas produced is used as fuel (including by-product gas);

---Special gas generator;

---Industrial furnaces designed for chemical plants or petroleum plants;

--- Facilities for heating or burning in an open air environment;

---A device that burns solid fuel;

---Waste incinerator.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations

Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

This document.

ISO 13574.2015 Industrial Furnaces and Related Process Equipment Vocabulary (Industrialfurnacesandassociatedprocessing

equipment-Vocabulary)

ISO 13579-1.2013 Energy balance test and energy efficiency calculation method for industrial furnaces and related process equipment Part 1.General methods

Method (Industrialfurnacesandassociatedprocessingequipment-Methodofmeasuringenergybalanceand

calculatingefficiency-Part 1.Generalmethodology)

ISO 13579-2.2013 Energy balance test and energy efficiency calculation method for industrial furnaces and related process equipment-Part 2.Recycled steel

Hot furnace (Industrialfurnacesandassociatedprocessingequipment-Methodofmeasuringenergybalance

andcalculatingefficiency-Part 2.Reheatingfurnacesforsteel)

ISO 13579-3.2013 Energy balance test and energy efficiency calculation method for industrial furnaces and related process equipment Part 3.Intermittent

Aluminum melting furnace (Industrialfurnacesandassociatedprocessingequipment-Methodofmeasuringenergybalance

andcalculatingefficiency-Part 3.Batch-typealuminiummeltingfurnaces)

3 Terms and definitions

The following terms and definitions defined in ISO 13574.2015 and ISO 13579-1.2013 apply to this document.

The following address is the ISO and IEC standardized term database.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

Referenced standards

Normative references

ISO 13574.2015 · ISO 13579

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