HJ 2519-2012Technical requirement for environmental labeling products. Cement (English PDF)

Foreword

To implement the Environmental Protection Law of the People's Republic of China, reduce the production, use, packaging, transportation and disposal of cement.

This standard is developed for greenhouse gas emissions and for environmental and human health effects.

This standard puts a limit on the comparable carbon dioxide emissions and product radioactivity of cement clinker and cement products.

begging.

This standard is the first release.

This standard applies to China Environmental Labeling Product Certification and China Environmental Labeling Low Carbon Product Certification.

This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection.

This standard is mainly drafted by. Environmental Development Center of the Ministry of Environmental Protection, China Building Materials Science Research Institute, China Cement Association Hui, China Sinoma Group Co., Ltd., Tangshan Jidong Cement Co., Ltd., Anhui Conch Group Co., Ltd., Beijing Water Mud Factory Co., Ltd. and Lafarge Shui On Cement Co., Ltd.

This standard was approved by the Ministry of Environmental Protection on July 3, 2012.

This standard has been implemented since October 1, 2012.

This standard is explained by the Ministry of Environmental Protection.

Environmental labeling product technical requirements cement

1 Scope of application

This standard specifies the terms and definitions, basic requirements, technical content and inspection methods of cement environmental labeling products.

This standard applies to the general Portland cement produced by the new dry process cement production process.

2 Normative references

The contents of this standard refer to the terms in the following documents. For undated references, the valid version applies to this standard.

GB 175-2007 General Portland Cement GB 4915 Emission Standard for Air Pollutants in Cement Industry GB 6566-2010 Radionuclide limited edition of building materials GB 16780 cement unit product energy consumption limit GB/T 176 cement chemical analysis method Industrial analysis method of GB/T 212 coal GB/T 213 coal calorific value measuring method GB/T 476 Determination of carbon and hydrogen in coal GB/T 4131-1997 Cement naming, definition and terminology Quantitative determination of GB/T 12960 cement components GB/T 26281 Cement rotary kiln heat balance, thermal efficiency, comprehensive energy consumption calculation method HJ 467 Cleaner Production Standard Cement Industry JC/T 452 general cement quality grade

3 Terms and definitions

The following terms and definitions apply to this standard.

4 Basic requirements

4.1 Product quality should meet the requirements of relevant standards and the superior requirements specified in JC/T 452.

4.2 The energy consumption per unit of product should meet the requirements of GB 16780.

4.3 The bulk rate of the product shall comply with the provisions of the national or local regulations on the management of bulk cement.

4.4 Pollutant emissions from product manufacturing enterprises should comply with national or local pollutant discharge standards.

4.5 Product manufacturers should strengthen clean production, and the production process should meet the requirements of HJ 467.

4.6 The product manufacturer shall have its own limestone mine, which has a complete restoration plan for the mine and repairs the mine as planned.

Ensure that the mine repair rate after mining is 100%.

4.7 The production of products should use alternative raw materials and alternative fuels to improve the recycling rate of resources and energy.

5 Technical content

6 Test methods

6.1 Requirements of Technical Content 5.1 The data shall be collected by means of on-site inspection and document review, and calculated according to the method specified in Appendix A.

The calculation items of CO2 emissions from cement clinker during the statistical period include.

1 direct CO2 emissions from the decomposition of carbonate minerals in raw meal;

2 clinker production process Note 1 direct CO2 emissions from physical coal combustion;

3 clinker production process Note 1 Indirect CO2 emissions from electricity consumption;

4 Indirect CO2 emission reductions generated by waste heat power generation;

5 The direct CO2 emission reduction corresponding to the waste heat utilization of the co-processing waste.

Note 1. The clinker production process includes raw material preparation, clinker calcination, waste heat power generation and co-processing waste processes.

6.2 The requirements of Technical Content 5.2 shall be tested according to the method specified in GB 6566-2010.

Appendix A

(normative appendix) Calculation method for comparable CO2 emissions of cement clinker and cement products A.1 Scope this appendix specifies the terms and definitions, operating boundaries and statistical periods, calculation items, and calculations for the calculation method of CO2 emissions from cement production.

Calculate data and calculate the comparable CO2 emissions per unit of cement clinker and cement products. Calculation of CO2 Emissions from Cement Grinding Station can refer to the implementation.

This appendix applies to the calculation of CO2 emissions from general Portland cement clinker and cement products, and other varieties of cement clinker and cement.

The calculation of CO2 emissions can be referred to.

A.2 Terms and definitions the following terms and definitions apply to this appendix.

A.2.1 Carbon dioxide (CO2) emission source CO2 source Cement produces a device or process that emits CO2 into the atmosphere.

A.2.2 Other direct carbon dioxide (CO2) emissions other direct CO2 emission CO2 emissions from the combustion of non-fuel carbon and alternative fuels from cement production, thermal energy consumption from co-processing wastes, and waste heat utilization outside the boundary Corresponding CO2 emissions, the corresponding CO2 emission sources are owned or controlled by cement producers.

A.2.3 emission factor emission factor CO2 emissions from unit energy consumption and unit raw material consumption.

A.2.4 Biomass fuel

A fuel derived from various biomass (animal or plant).

A.2.5 non-fuel carbon combubible carbon not included in fuel Combustible carbon contained in raw materials and co-processing waste.

A.3 Operational boundaries and statistical periods A.3.1 Operational boundaries the operating boundary, ie the production boundary and the calculation range, set by the enterprise when calculating the CO2 emissions. Cement production process it is divided into seven calculation units, and the specific calculation range is as follows.

1) Mining and auxiliary facilities. from raw material mining, crushing and belt transportation or vehicle transportation, to the integration of raw materials into the production plant area Mining process;

2) Raw material preparation. from the raw materials into the production plant area, through the crushing, grinding, transportation, to the raw material into the kiln of the entire raw material preparation Artistic process

3) Clinker calcination. the whole clinker calcination process from the raw material into the kiln, to the clinker entering the clinker storage (including the top dust collection equipment) Process, including pulverized coal preparation system;

4) Cement preparation. from the clinker out of the warehouse (including the bottom of the equipment), adding cement mixed materials, gypsum, etc.

Into the cement store, to the entire cement preparation process for packaging and shipping, including mixed materials, gypsum transportation, and preparation systems;

5) Auxiliary production and management. production control, quality management and administrative office.

6) Waste heat power generation. the power generation and transportation process from the kiln exhaust gas to the power generation that can be sent to the internal power grid;

7) Co-disposal of waste. from the waste into the production plant, to the entire process of waste into the kiln incineration treatment.

The operating boundary of the cement grinding station includes. from clinker, mixed materials, gypsum, etc. into the cement grinding station production plant area, through cement milling After grinding, enter the cement store and ship to the package.

A.3.2 Statistical period the calculation of CO2 emissions from cement production is based on the annual statistical period. It is also possible to calculate the CO2 emissions for a period of time based on demand statistics, but Instructions should be given.

A.4 Calculating projects and calculating data A.4.1 Calculation project See Table A.1 for the calculation of CO2 emissions from various processes and co-processing wastes in cement production. According to the actual production process the calculation project is increased or decreased, but it should be explained in the calculation report.

Table A.1 Calculation Project of CO2 Emissions from Cement Production

Calculate the formula for calculating the CO2 emission code of the project Raw material carbonate mineral decomposition Non-fuel carbon combustion in raw meal Production process and co-processing waste physical coal combustion Clinker calcination process instead of fuel combustion Co-processing waste non-fuel carbon combustion Various production processes and co-processing waste fuel combustion Wastewater consumption in various production processes and co-processing waste Kiln waste heat utilization Outsourcing cement clinker Purchased finely mixed materials Prc Pro Pbci Palpha, Pbeta Pgamma, Pdelta Poil Pei Pg, Per, Pc Pp Ps (A.1), (A.2), (A.3), (A.4), (A.5), (A.6) (A.7) (A.8), (A.9) (A.10), (A.11) (A.12), (A.13) (A.14) (A.15) (A.16), (A.17), (A.18) (A.19) (A.20) A.4.2 Calculating data A.4.2.1 The calculation of CO2 emissions from cement production should be based on the actual statistical data of the production enterprise, the actual test data and the defaults given in this appendix.

Recognized value.

A.4.2.2 Actual statistics Actual statistics include cement clinker production, total cement output, and various cement grades of various strength grades; various physical coal consumption Quantity, various fuel consumption, various alternative fuel consumption, various amounts of co-processing waste; power consumption, net waste heat generation (remaining) the amount of thermal power generation minus the self-consumption of the generator set); the amount of cement clinker purchased, the amount of purchased finely mixed materials. Actual statistics also include statistics the weighted average of the following data during the period. 28 days compressive strength of cement clinker, the amount of clinker in each cement grade of each strength grade, strong the actual 28-day compressive strength of each cement grade of the grade; the material consumption ratio, the dust discharge of the kiln exhaust kiln (kiln head), the kiln bypass the amount of dust and the loss of dust.

A.4.2.3 Actual test data the actual test items, test methods, frequency of inspection and requirements are shown in Table A.2.

Table A.2 Detection methods, frequency and requirements of actual test data

Serial number detection item detection method detection frequency requirement Clinker calcium oxide and Magnesium oxide mass fraction GB/T 176 Daily detection of daily test data for weighted monthly average, weighted annual average calculation

2 CO2 mass fraction in raw meal GB/T 12960 is tested once a month Monthly test data for weighted annual average calculation; raw materials or when there is a change in the ratio of raw meal, it should be tested immediately and increased.

Frequency measurement, then weighted average calculation

3 Raw material burn-off GB/T 176 Daily test once daily test data for weighted monthly average, weighted annual average calculation Kiln exhaust pipe (kiln head) dust Emissions GB/T 4915 is tested every six months or with default values the semi-annual test data is weighted and averaged;

The situation has changed, it should be tested immediately and the detection frequency increased.

Weighted average calculation 5 kiln bypass wind dust emission loss GB/T 176 tested every six months the semi-annual test data is weighted and averaged;

The situation has changed, it should be tested immediately and the detection frequency increased.

Weighted average calculation

6 Mass fraction of carbon in coal GB/T 476 Coal into the factory for each batch inspection Test once Weighted monthly average, weighted annual average for each batch of test data Calculation

7 Low calorific value of coal GB/T 212, GB/T 213

Coal into the factory for each batch inspection Test once Weighted monthly average, weighted annual average for each batch of test data Calculation Outside the operating boundary Heat utilization and temperature GB/T 26281 is tested every six months the semi-annual test data is weighted and averaged;

The situation has changed, it should be tested immediately and the detection frequency increased.

Weighted average calculation A.4.2.4 Default value Other relevant data related to the calculation of CO2 emissions from cement production can be directly quoted from the default values given in this appendix.

A.5 Calculation of CO2 emissions A.5.1 Unit CO2 emissions from the decomposition of raw material carbonate minerals the unit CO2 emissions from the decomposition of raw carbonate minerals include the decomposition of raw carbonate minerals and the kiln exhaust (kiln head) powder.

Units of CO2 emissions from the decomposition of carbonate minerals from dust and bypass wind dust. It should be calculated according to formula A.1.

1 2 3rcP RRR= (A.1)

Where. Prc--production unit clinker, total CO2 emissions from decomposition of raw carbonate minerals, kg/t.

R1--Production unit clinker, CO2 emissions from decomposition of raw material carbonate minerals, kg/t;

R2--CO2 emissions from the decomposition of some carbonate minerals in the production unit clinker, kiln exhaust pipe (kiln head), Kg/t;

R3--Production unit clinker, CO2 emissions from decomposition of some carbonate minerals in kiln bypass blasting dust, kg/t.

A.5.1.1 Unit CO2 emissions from decomposition of raw carbonate minerals the unit CO2 emissions from the decomposition of raw carbonate minerals are calculated in the following two cases.

(1) If alternative raw materials (including carbide slag, steel slag, etc.) are not used, R1 should be calculated according to formula A.2.

·· · = CCR C

Where. Cc--the mass fraction of CaO in clinker, %;

Cm-- mass fraction of MgO in clinker, %;

-- molecular weight conversion between CO2 and CaO;

-- Molecular weight conversion between CO2 and MgO.

(2) If alternative raw materials (including carbide slag, steel slag, etc.) are used, R1 should be calculated according to formula A.3.

c FL

RR ·-·= )1(

1 (A.3)

Where. Rc--CO2 mass fraction in cement raw meal, %;

Lc - raw material loss on ignition, %;

Fc - clinker conversion factor for coal ash in clinker, with a value of 1.04.

A.5.1.2 Unit CO2 emissions from the decomposition of some carbonate minerals in the dust of the kiln exhaust kiln (kiln head) it should be calculated according to formula A.4.

URR

Where. Ue--Dust emissions from flue gas emitted from the kiln exhaust pipe (kiln head), kg/t; if the monitoring data is missing, the value is 0.15 Kg/t.

A.5.1.3 Unit CO2 emissions from some carbonate minerals in kiln bypass blasting dust it should be calculated according to formula A.5.

eQ BR

Where. Qd--the amount of dust in the production unit clinker kiln bypass, kg/t;

Be--Blowing dust CO2 emission factor, kg/t; should be calculated according to formula A.6.

RRB

e 11

In the formula. Rb--bypass wind dust emission loss, %.

A.5.2 Unit CO2 emissions from non-fuel carbon combustion in raw meal it should be calculated according to formula A.7.

44 ···= oa RrPro (A.7) where. Pro--production unit clinker, CO2 emissions from non-fuel carbon combustion in raw meal, kg/t;

Ra--consumption ratio, if the measurement data is missing, the value is 1.52;

Ro--non-fuel carbon mass fraction in raw material, %; 0.1% to 0.3% (dry basis) if no measurement data is used, raw material is coal Take high values when mixing vermiculite, high carbon fly ash, etc., otherwise take a low value;

-- Molecular weight conversion between CO2 and C.

A.5.3 Production process and co-processing of CO2 emissions from physical coal combustion the CO2 emissions from the production process and co-processing waste physical coal combustion are calculated in the following two cases.

(1) If there is a measured value of the mass fraction of carbon in the physical coal, it shall be calculated according to formula A.8.

CSP hibci ··= 12

44 (A.8)

Where. Pbci--the statistical process, the CO2 emissions from the production process and the co-processing waste physical coal combustion, t;

Si--the statistical process, the amount of physical coal used in the production process and co-processing waste, t;

Ch--weighted average of the mass fraction of carbon in the physical coal of different incoming batches during the statistical period, %;

i -- indicates each production process and co-processing waste, where i is 1 for mining and ancillary facilities, i is 2 Indicates the raw meal preparation unit, i is 3 for clinker calcining unit, i is 4 for cement preparation unit, and i is 5 for auxiliary production and management Unit, i is 6 for the waste heat power unit, and i is 7 for the co-processing waste unit.

(2) If the mass fraction of carbon in the physical coal is missing, it shall be calculated according to formula A.9.

SP bncibci ··= 307.29 (A.9) where. Qnc - during the statistical period, the weighted average low calorific value of the physical coal of different incoming batches, MJ/kg;

Fb - standard coal CO2 emission factor, t/t, standard coal CO2 emission factor value is determined by national uniform regulations, the current value is 2.75t/t;

29.307 -- Standard coal calorific value, MJ/kg.

A.5.4 Clinker emissions from alternative fuel combustion processes in the clinker calcination process Alternative fuels contain carbon derived from fossil fuels and carbon derived from biomass, and should be calculated according to formula A.10 and formula A.11, respectively.

The calcination process replaces the CO2 emissions from fuel combustion.

sum ··· = jajnajj FQAP alphaalpha (A.10) sum ··· = jajnajj FQAP betabeta (A.11) where. Palpha - during the statistical period, the alternative fuel from each production process is derived from the CO2 emissions from the combustion of carbon in fossil fuels, t;

Pbeta -- During the statistical period, each production process replaces the CO2 emissions from the combustion of carbon from biomass, t;

Aj - the amount of various alternative fuels during the statistical period, t;

Qnaj--weighted average low calorific value of various alternative fuels, MJ/kg, the specific data is shown in Table A.3;

Faj--the CO2 emission factor for alternative fuel combustion, kg/MJ, the specific data is shown in Table A.3;

jj--The alternative fuel is...