009f5682-d49d-43d5-b660-c2d0e6f35610cement production;cement, portland-composite cement;new dry process;mixed solid wastes水泥生产;水泥, 复合硅酸盐水泥;新型干法;混合固废Unit processesMaterials productionOther mineralic materialsUse the new dry cement production technology as the technical object.The main raw materials required for portland-composite cement production include limestone, clay, iron powder, gypsum, granulated blast furnace slag and fly ash. During the production process, granulated blast furnace slag and fly ash are added to the cement instead of clinker.以新型干法水泥生产技术作为技术对象。复合硅酸盐水泥生产需要的主要原材料包括石灰石、粘土、铁粉、石膏、粒化高炉矿渣和粉煤灰在生产过程中，粒化高炉矿渣和粉煤灰代替熟料添加到水泥中。16The main raw materials required for the production of composite Portland cement include limestone, clay, iron powder, gypsum, granulated blast furnace slag and fly ash. During the production process, granulated blast furnace slag and fly ash are added to the cement instead of clinker. Take The average value of the general Portland cement standard value of GB-175-2007 is used as the raw material data. Among them, the gypsum addition ratio is 5% of the cement quality, and the clinker addition ratio is 60% of the cement quality. Clinker is made of limestone, clay and Iron powder is used as a raw material and is made by false firing.复合硅酸盐水泥生产需要的主要原材料包括石灰石、粘土、铁粉、石膏、粒化高炉矿渣和粉煤灰在生产过程中，粒化高炉矿渣和粉煤灰代替熟料添加到水泥中.取 GB-175-2007 通用硅酸盐水泥标准值的平均值作为原材料数据，其中，石膏添加比例为水泥质量的 5%，熟料添加比例为水泥质量的60%.熟料是由石灰石、粘土及铁粉作为原料配合而成，并经假烧制成.Portland-composite cement production using the new dry process applies predominantly to the construction industry. This cement variant is specifically designed for general construction purposes such as the building of structures, pavements, foundations, and is suitable for both reinforced concrete and pre-stressed concrete. The incorporation of granulated blast furnace slag and fly ash as partial substitutes for clinker not only optimizes the use of by-products from other industrial processes but also contributes to the reduction of CO2 emissions and energy consumption in the cement industry.采用新型干法生产的复合硅酸盐水泥主要用于建筑业。该水泥在一般建筑如结构建设、铺设路面、打基础等方面特别适用，并可用于钢筋混凝土和预应力混凝土结构。粒化高炉矿渣和粉煤灰部分替代熟料不仅优化了来自其他工业过程的副产品的应用，而且有助于减少水泥工业的二氧化碳排放和能源消耗。UOblb5gamorvKjx09izcTskLnLh.pngThe functional unit of LCA is 1t of composite Portland cement. The system boundaries include: the transportation and grinding process of granulated blast furnace slag and fly ash, excluding their production process; the mining and transportation of limestone, iron ore, clay, gypsum and coal; cement production and electricity production. The main cement production processes considered at the boundary of the cement system include: ① Mining and transportation of raw materials and transportation of industrial slag; ② Processing and pre-homogenization of raw materials; ③ Mixing of raw materials; ④ Raw meal grinding; ⑤ Raw meal homogenization; ⑥Clinker calcination; ⑦Clinker, gypsum, and industrial waste grinding treatment; ⑧Cement grinding.LCA功能单位为1t复合硅酸盐水泥。系统边界包括：粒化高炉矿渣与粉煤灰的运输和粉磨过程，不包括其生产过程；石灰石、铁矿、粘土、石膏和煤炭的开采与运输；水泥生产和电力生产。水泥系统边界考虑的水泥主要生产过程包括：①原材料的开采及运输、工业矿渣的运输；②原材料的加工处理和预均化；③原材料的配合；④生料粉磨；⑤生料均化；⑥熟料煅烧；⑦熟料、石膏、工业废渣的粉磨处理；⑧水泥粉磨。Unit process, black boxNone无None无None无None无None无徐小宁, 陈郁, 张树深, 张芸, & 宋国宝. (2013). 复合硅酸盐水泥的生命周期评价. 环境科学学报, 33(9), 2632–2638. 徐小宁, 陈郁, 张树深, 张芸, & 宋国宝. (2013). 复合硅酸盐水泥的生命周期评价. 环境科学学报, 33(9), 2632–2638. When utilizing this dataset for Life Cycle Assessment of Portland-composite cement, it's crucial to adhere to the defined system boundaries which include the transportation and grinding of granulated blast furnace slag and fly ash, as well as the mining and transportation of limestone, iron ore, clay, gypsum, and coal. Processes like electricity production for the manufacturing should be considered in the impact assessment. The dataset should be applied assuming the recycling and energy recovery aspects are excluded. Ensure that the addition ratios for clinker and gypsum are at 60% and 5% of the cement mass respectively, as per the GB-175-2007 standard when applying material data to ensure accuracy and consistency.在使用此数据集进行复合硅酸盐水泥的生命周期评估时，必须遵循定义的系统边界，包括粒化高炉矿渣和粉煤灰的运输和粉磨，以及石灰石、铁矿、粘土、石膏和煤炭的开采与运输。在评估中应考虑制造过程中的电力生产等过程。在应用材料数据时应排除对回收利用和能源回收的考虑，并确保根据GB-175-2007标准，熟料和石膏的添加比例分别是水泥质量的60%和5%，以确保准确性和一致性。Inventory: The internal review was done by several iteration steps concerning raw data validation, raw data documentation, representativity, completeness and consistency of modelling with regard to ISO 14040 and 14044.清单： 内部审查通过几个迭代步骤完成，涉及原始数据验证、原始数据记录、代表性、完整性、与 ISO 14040 和 14044 有关的建模的一致性。Tiangong LCI Data Working Group天工LCI数据工作小组#REF!, ysqsophia@gmail.comysqsophia@gmail.comysqsophia@gmail.com2024-03-19T21:18:09+08:002024-04-20T14:40:37.432992+08:0000.01.005https://lcadata.tiangong.world/showProcess.xhtml?uuid=009f5682-d49d-43d5-b660-c2d0e6f35610&version=01.00.000&stock=TianGongTiangong LCI Data Working Group天工LCI数据工作小组falseFree of charge for all users and useslimestone, crushed, for millInput848.37848.37Limestone. Taking the average value of GB-175-2007 General Portland Cement as the raw material data, where the proportion of gypsum addition is 5% of the cement mass and the proportion of clinker addition is 60% of the cement mass. The clinker is made by blending limestone, clay, and iron powder as raw materials and then artificially calcining. Based on the material balance equation in the cement production process, the raw material consumption is obtained, where the material balance equation is: M_raw = M_material + M_decomposition + M_water + M_dust - M_fly_ash, where M_raw is the amount of raw material fed into the system, M_material is the amount of clinker, M_decomposition is the mass of CO2 and H2O decomposed from the raw material, M_water is the moisture content in the raw material, M_dust is the amount of dust in the exhaust gas, and M_fly_ash is the amount of fly ash.石灰石。取GB-175-2007通用硅酸盐水泥标准值的平均值作为原材料数据，其中，石膏添加比例为水泥质量的5%，熟料添加比例为水泥质量的60%。熟料是由石灰石、粘土及铁粉作为原料配合而成，并经煅烧制成。根据水泥生产工艺中物料平衡公式得出原材料消耗量，物料平衡公式为:M生料=M料+M分解+M水+M尘-M煤灰，式中，M生料为喂入系统的生料量，M熟料为熟料量，M分解为从生料中分解出的CO2及H2O的质量，M水为生料中含水量，M尘为废气的排尘量，M煤灰为煤灰量。clayInput143.55143.55Clay. Taking the average value of GB-175-2007 General Portland Cement as the raw material data, where the proportion of gypsum addition is 5% of the cement mass and the proportion of clinker addition is 60% of the cement mass. The clinker is made by blending limestone, clay, and iron powder as raw materials and then artificially calcining. Based on the material balance equation in the cement production process, the raw material consumption is obtained, where the material balance equation is: M_raw = M_material + M_decomposition + M_water + M_dust - M_fly_ash, where M_raw is the amount of raw material fed into the system, M_material is the amount of clinker, M_decomposition is the mass of CO2 and H2O decomposed from the raw material, M_water is the moisture content in the raw material, M_dust is the amount of dust in the exhaust gas, and M_fly_ash is the amount of fly ash.粘土。取GB-175-2007通用硅酸盐水泥标准值的平均值作为原材料数据，其中，石膏添加比例为水泥质量的5%，熟料添加比例为水泥质量的60%。熟料是由石灰石、粘土及铁粉作为原料配合而成，并经煅烧制成。根据水泥生产工艺中物料平衡公式得出原材料消耗量，物料平衡公式为:M生料=M料+M分解+M水+M尘-M煤灰，式中，M生料为喂入系统的生料量，M熟料为熟料量，M分解为从生料中分解出的CO2及H2O的质量，M水为生料中含水量，M尘为废气的排尘量，M煤灰为煤灰量。iron, powderInput26.0426.04Iron powder. Taking the average value of GB-175-2007 General Portland Cement as the raw material data, where the proportion of gypsum addition is 5% of the cement mass and the proportion of clinker addition is 60% of the cement mass. The clinker is made by blending limestone, clay, and iron powder as raw materials and then artificially calcining. Based on the material balance equation in the cement production process, the raw material consumption is obtained, where the material balance equation is: M_raw = M_material + M_decomposition + M_water + M_dust - M_fly_ash, where M_raw is the amount of raw material fed into the system, M_material is the amount of clinker, M_decomposition is the mass of CO2 and H2O decomposed from the raw material, M_water is the moisture content in the raw material, M_dust is the amount of dust in the exhaust gas, and M_fly_ash is the amount of fly ash.铁粉。取GB-175-2007通用硅酸盐水泥标准值的平均值作为原材料数据，其中，石膏添加比例为水泥质量的5%，熟料添加比例为水泥质量的60%。熟料是由石灰石、粘土及铁粉作为原料配合而成，并经煅烧制成。根据水泥生产工艺中物料平衡公式得出原材料消耗量，物料平衡公式为:M生料=M料+M分解+M水+M尘-M煤灰，式中，M生料为喂入系统的生料量，M熟料为熟料量，M分解为从生料中分解出的CO2及H2O的质量，M水为生料中含水量，M尘为废气的排尘量，M煤灰为煤灰量。gypsum stone (CaSO4-dihydrate)Input50.050.0Gupsum. Taking the average value of GB-175-2007 General Portland Cement as the raw material data, where the proportion of gypsum addition is 5% of the cement mass and the proportion of clinker addition is 60% of the cement mass. The clinker is made by blending limestone, clay, and iron powder as raw materials and then artificially calcining. Based on the material balance equation in the cement production process, the raw material consumption is obtained, where the material balance equation is: M_raw = M_material + M_decomposition + M_water + M_dust - M_fly_ash, where M_raw is the amount of raw material fed into the system, M_material is the amount of clinker, M_decomposition is the mass of CO2 and H2O decomposed from the raw material, M_water is the moisture content in the raw material, M_dust is the amount of dust in the exhaust gas, and M_fly_ash is the amount of fly ash.石膏。取GB-175-2007通用硅酸盐水泥标准值的平均值作为原材料数据，其中，石膏添加比例为水泥质量的5%，熟料添加比例为水泥质量的60%。熟料是由石灰石、粘土及铁粉作为原料配合而成，并经煅烧制成。根据水泥生产工艺中物料平衡公式得出原材料消耗量，物料平衡公式为:M生料=M料+M分解+M水+M尘-M煤灰，式中，M生料为喂入系统的生料量，M熟料为熟料量，M分解为从生料中分解出的CO2及H2O的质量，M水为生料中含水量，M尘为废气的排尘量，M煤灰为煤灰量。granulated blast furnace slagInput100.0100.0Gravated blast furnace slag. Taking the average value of GB-175-2007 General Portland Cement as the raw material data, where the proportion of gypsum addition is 5% of the cement mass and the proportion of clinker addition is 60% of the cement mass. The clinker is made by blending limestone, clay, and iron powder as raw materials and then artificially calcining. Based on the material balance equation in the cement production process, the raw material consumption is obtained, where the material balance equation is: M_raw = M_material + M_decomposition + M_water + M_dust - M_fly_ash, where M_raw is the amount of raw material fed into the system, M_material is the amount of clinker, M_decomposition is the mass of CO2 and H2O decomposed from the raw material, M_water is the moisture content in the raw material, M_dust is the amount of dust in the exhaust gas, and M_fly_ash is the amount of fly ash.粒化高炉矿渣。取GB-175-2007通用硅酸盐水泥标准值的平均值作为原材料数据，其中，石膏添加比例为水泥质量的5%，熟料添加比例为水泥质量的60%。熟料是由石灰石、粘土及铁粉作为原料配合而成，并经煅烧制成。根据水泥生产工艺中物料平衡公式得出原材料消耗量，物料平衡公式为:M生料=M料+M分解+M水+M尘-M煤灰，式中，M生料为喂入系统的生料量，M熟料为熟料量，M分解为从生料中分解出的CO2及H2O的质量，M水为生料中含水量，M尘为废气的排尘量，M煤灰为煤灰量。ashInput200.0200.0Fly ash. Taking the average value of GB-175-2007 General Portland Cement as the raw material data, where the proportion of gypsum addition is 5% of the cement mass and the proportion of clinker addition is 60% of the cement mass. The clinker is made by blending limestone, clay, and iron powder as raw materials and then artificially calcining. Based on the material balance equation in the cement production process, the raw material consumption is obtained, where the material balance equation is: M_raw = M_material + M_decomposition + M_water + M_dust - M_fly_ash, where M_raw is the amount of raw material fed into the system, M_material is the amount of clinker, M_decomposition is the mass of CO2 and H2O decomposed from the raw material, M_water is the moisture content in the raw material, M_dust is the amount of dust in the exhaust gas, and M_fly_ash is the amount of fly ash.粉煤灰。取GB-175-2007通用硅酸盐水泥标准值的平均值作为原材料数据，其中，石膏添加比例为水泥质量的5%，熟料添加比例为水泥质量的60%。熟料是由石灰石、粘土及铁粉作为原料配合而成，并经煅烧制成。根据水泥生产工艺中物料平衡公式得出原材料消耗量，物料平衡公式为:M生料=M料+M分解+M水+M尘-M煤灰，式中，M生料为喂入系统的生料量，M熟料为熟料量，M分解为从生料中分解出的CO2及H2O的质量，M水为生料中含水量，M尘为废气的排尘量，M煤灰为煤灰量。hard coal; 26.3 MJ/kgInput68.468.4Coal. The coal consumption is calculated based on the standard coal consumption and calorific value of large and medium-sized pre-decomposition kilns in China's production lines.煤。采用中国生产线统计的大中型预分解窑的标煤耗和热值，进行煤消耗量的计算。ElectricityInput354.06354.06Electricity. Due to limited data on electricity consumption, the electricity consumption of various stages of composite Portland cement production is simplified based on the average electricity consumption in China.电耗。由于电力消耗数据有限，根据中国国内电力消耗平均水平对复合硅酸盐水泥各个生产阶段的电力消耗进行简化处理。carbon dioxide (fossil)Output604.0604.0CO2. The data on pollutant emissions from limestone and gypsum mining, as well as transportation, electricity production (using national average electricity grid mix and transmission data), and coal mining are obtained from the China Life Cycle Reference Database (CLCD). CO2 emissions during cement production come from two sources: the decomposition of calcium carbonate and magnesium carbonate in raw materials during calcination, and the combustion of coal as fuel.CO2。石灰石、石膏开采中污染物排放数据，以及运输、电力生产（采用全国平均电网电力混合与传输数据）和煤炭开采的数据均来自中国生命周期参考数据库（CLCD）。水泥生产阶段CO2排放来自两个部分，一部分为煅烧时原料中碳酸钙和碳酸镁的分解释放，另一部分为燃料煤燃烧释放。sulfur dioxideOutput0.3720.372SO2. Data on SO2 emission is from the first survey of pollution sources in China's cement manufacturing industry.SO2。SO2排放量来自第一次中国水泥制造业污染源普查结果。Nitrogen oxidesOutput1.921.92NOx. Data on NOx emission is from the first survey of pollution sources in China's cement manufacturing industry.NOx。NOx排放量来自第一次中国水泥制造业污染源普查结果。particles (> PM10)Output0.3410.341Dust, with an unspecified particle size, is treated as PM > 10 micrometers in diameter. Data on dust emissions during cement production is based on the upper limit of the atmospheric pollutant emissions standard for China's cement industry.粉尘。水泥生产过程中粉尘的排放数据采用中国水泥工业大气污染物排放标准的上限值。未标明粒径，按PM>10处理。chemical oxygen demandOutput0.01020.0102COD. Data on COD emission is from the first survey of pollution sources in China's cement manufacturing industry.COD。COD排放量来自第一次中国水泥制造业污染源普查结果。Oils, unspecifiedOutput0.2610.261Oil. Pollutant emission data for limestone and gypsum mining, as well as transportation, electricity production (using national average electricity mix and transmission data) and coal mining data are all from the Chinese Life Cycle Database (CLCD).油。石灰石、石膏开采中污染物排放数据，以及运输、电力生产（采用全国平均电网电力混合与传输数据）和煤炭开采的数据均来自中国生命周期参考数据库（CLCD）。methane (fossil)Output0.7330.733Methane. Pollutant emission data for limestone and gypsum mining, as well as transportation, electricity production (using national average electricity mix and transmission data) and coal mining data are all from the Chinese Life Cycle Database (CLCD).甲烷。石灰石、石膏开采中污染物排放数据，以及运输、电力生产（采用全国平均电网电力混合与传输数据）和煤炭开采的数据均来自中国生命周期参考数据库（CLCD）。mercuryOutput0.00790.0079Mercury. Pollutant emission data for limestone and gypsum mining, as well as transportation, electricity production (using national average electricity mix and transmission data) and coal mining data are all from the Chinese Life Cycle Database (CLCD).汞。石灰石、石膏开采中污染物排放数据，以及运输、电力生产（采用全国平均电网电力混合与传输数据）和煤炭开采的数据均来自中国生命周期参考数据库（CLCD）。cement, portland-composite cementOutput1000.01000.0Composite silicate cement (PC)复合硅酸盐水泥（PC）