GB 16780-2021 English PDF (GB16780-2021)

Delivery: 3 seconds. Download true-PDF + Invoice.
Get QUOTATION in 1-minute: Click GB 16780-2021
Historical versions: GB 16780-2021
Preview True-PDF (Reload/Scroll if blank)

GB 16780-2021: The norm of energy consumption per unit product of cement
GB 16780-2021
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.010
CCS F 01
Replacing GB 16780-2012
The norm of energy consumption per unit product of
cement
ISSUED ON: OCTOBER 11, 2021
IMPLEMENTED ON: NOVEMBER 01, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 5 
4 Energy consumption norm grade ... 6 
5 Technical requirements ... 6 
6 Statistical range and calculation method ... 8 
The norm of energy consumption per unit product of
cement
1 Scope
This document specifies the norm grade, technical requirements, statistical
scope and calculation method of energy consumption per unit product of
cement (hereinafter referred to as energy consumption).
This document applies to the calculation and assessment of energy
consumption of energy consumption units of manufacturing enterprises of
common portland cement, as well as the energy consumption control of newly-
built, rebuilt and expanded projects.
2 Normative references
The contents of the following documents constitute the indispensable clauses
of this document through normative references in the text. For dated references,
only the version corresponding to that date is applicable to this document; for
undated references, the latest version (including all amendments) is applicable
to this document.
GB 175, Common Portland Cements
GB/T 213, Determination of calorific value of coal
GB/T 384, Determination of calorific value of petroleum products
GB/T 2589, General principles for calculation of the comprehensive energy
consumption
GB/T 12723, General principles for establishing allowance of energy
consumption per unit throughput
GB 17167, General principle for equipping and managing of the measuring
instrument of energy in organization of energy using
GB/T 21372, Portland cement clinker
GB/T 27977, Test and calculation methods of electricity efficiency of cement
production
GB/T 30727, Determination of calorific value in solid biofuels
GB/T 33652, Technical regulation of energy consumption test for cement
manufacturing
GB/T 35461, Specification for equipping and managing of the measuring
instrument of energy in the cement production enterprise
3 Terms and definitions
Terms and definitions determined by GB 175, GB/T 2589, GB/T 12723, GB/T
21372, and the following ones are applicable to this document.
3.1
Energy consumption per unit product of clinker
During the period of statistical report, the various energy consumed by energy
consumption units in the production of cement clinker, which is equivalent to
the energy consumed by 1 t of cement clinker.
3.2
Energy consumption per unit product of cement
During the period of statistical report, the various energy consumed by energy
consumption units in the production of cement, which is equivalent to the energy
consumed by 1 t of cement.
3.3
Fuel consumption per unit product of clinker
During the period of statistical report, the fuel quantity such as coal and diesel
consumed by energy consumption units in the production of cement clinker,
which is equivalent to the standard coal quantity consumed by 1 t of cement
clinker.
3.4
Electricity consumption per unit product of clinker
During the period of statistical report, the electricity consumed by energy
consumption units in the production of cement clinker, which is equivalent to
the electricity consumed by 1 t of cement clinker.
3.5
Electricity consumption per unit product of cement
6 Statistical range and calculation method
6.1 Statistical range
6.1.1 Statistical range of energy consumption per unit product of clinker
Within the scope of energy consumption management of cement clinker
product manufacturing enterprises, various energy sources consumed in the
main production process and auxiliary production process from the entry of raw
fuel into the production plant to the output of cement clinker, excluding the
energy consumed during the project construction period like infrastructure,
technological transformation. If co-processing or alternative fuels are used, the
amount of energy consumed and the amount of alternative fuels shall be
counted separately. When the waste gas from the burning system is used for
power generation in a waste heat power station, the power generation of the
waste heat power station and the self-consumption power of the waste heat
power station shall be counted. The calorific value of solid fuel shall be
determined in accordance with the requirements of GB/T 213 and GB/T 30727;
the calorific value of liquid fuel shall be determined in accordance with the
requirements of GB/T 384. The statistics of electricity consumption shall meet
the requirements of GB/T 27977.
6.1.2 Statistical range of energy consumption per unit product of cement
Within the scope of energy consumption management of cement product
manufacturing enterprises, various energy sources consumed in the main
production process and auxiliary production process from the entry of raw fuel
into the production plant to the delivery of cement products, excluding the
energy consumed during the project construction period like infrastructure,
technological transformation. If co-processing or alternative fuels are used, the
amount of energy consumed and the amount of alternative fuels shall be
counted separately. When the waste gas from the burning system is used for
power generation in a waste heat power station, the power generation of the
waste heat power station and the self-consumption power of the waste heat
power station shall be counted. The calorific value of solid fuel shall be
determined in accordance with the requirements of GB/T 213 and GB/T 30727;
the calorific value of liquid fuel shall be determined in accordance with the
requirements of GB/T 384. The statistics of power consumption shall meet the
requirements of GB/T 27977.
6.1.3 Statistical range of electricity consumption of the cement
preparation section
Within the scope of energy consumption management of cement product
manufacturing enterprises, the electricity consumed within the statistical range
Where:
WS – electricity consumption per unit product of cement, in kilowatt-hours per
ton (kWh/t);
PS – the total output of cement products that meets the requirements of GB/T
175 during the period of statistical report, in tons (t);
wS – the total electricity consumption within the statistical range of electricity
consumption of cement products, in kilowatt-hours (kW·h), which is
calculated according to Formula (7):
Where:
wg – the electricity consumption during the cement grinding and packaging
process within the period of statistical report, in kilowatt-hours (kWh);
Pshx – the consumption of clinker for the production of cement within the period
of statistical report, in tons (t);
wm – the electrical energy consumed by the pretreatment of admixture within
the period of statistical report, in kilowatt-hours (kWh);
wfm – the electrical energy consumed by the pretreatment of gypsum within the
period of statistical report, in kilowatt-hours (kWh);
wfz – the auxiliary production electricity consumption that shall be apportioned
within the period of statistical report, in kilowatt-hours (kW·h).
Wh...