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为了优化水泥碳排放因子的测算方法,论文基于生料碳酸盐法以及工艺/燃料排放(新型干法窑)、无机碳/有机碳排放(立窑)的碳排放分类对熟料和水泥碳排放因子进行了分析和测算。结果表明:基于抽样调查样品的测试数据,新型干法窑的工艺碳排放因子约为520.00 kg CO_2/tcl,燃料碳排放因子约为288.06 kg CO_2/tcl,熟料碳排放因子约为808.06 kg CO_2/tcl,立窑的无机碳排放因子约为504.18 kg CO_2/tcl,有机碳排放因子约为343.67 kg CO_2/tcl,熟料碳排放因子约为847.85 kg CO_2/tcl;由于新型干法窑和余热发电等技术的普及以及熟料水泥比降低等因素,中国水泥碳排放因子有逐年降低的趋势,从2001年到2012年,水泥碳排放因子从767.13 kg CO_2/tce降到550.80 kg CO_2/tce;水泥碳排放构成中的工艺排放、燃料排放和电力消耗间接排放约各占58.57%、29.79%和11.64%。
In order to optimize the method for calculating the carbon emission factor of cement, the paper classifies the carbon emissions of inorganic carbon / organic carbon (shaft kiln) based on raw material carbonate method and process / fuel discharge (new dry process kiln) The emission factors were analyzed and estimated. The results show that the carbon emission factor of the new dry-process kiln is about 520.00 kg CO 2 / tcl, the fuel carbon emission factor is about 288.06 kg CO 2 / tcl and the clinker carbon emission factor is about 808.06 kg CO 2 based on the test data of the sample. / tcl, the kiln’s inorganic carbon emission factor is about 504.18 kg CO 2 / tcl, the organic carbon emission factor is about 343.67 kg CO 2 / tcl, and the clinker carbon emission factor is about 847.85 kg CO 2 / tcl. Because of the new dry process kiln and waste heat The popularity of power generation technology, and the clinker cement ratio decrease, the carbon emission factor of cement in China tends to decrease year by year. From 2001 to 2012, the carbon emission factor of cement dropped from 767.13 kg CO 2 / tce to 550.80 kg CO 2 / tce. The composition of cement emissions in the process of emissions, fuel emissions and indirect discharge of electricity consumption account for about 58.57%, 29.79% and 11.64% respectively.