关键数据集信息 | |
位置 | BJ-CN |
地域代表性说明 | 北京现代水泥厂 |
名字 |
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数据集使用建议 | 该数据集代表了北京现代水泥厂生产42.5MPa强度普通硅酸盐水泥的环境影响,采用新型干法回转窑和5级预热器,日产能力为4000吨。该数据集包括混合固废的使用和10%高炉矿渣(BFS)外加剂。在使用此数据时,必须确保其应用与水泥生产的定义系统边界一致。还应考虑生铁与BFS之间的经济分摊,以及由于避免矿渣储存而带来的土地使用效益也应计入生命周期评估。建议仅将数据应用于类似的生产过程和区域条件,因为概括到其他情境可能不准确。 |
产品或过程的技术目的 | 所述水泥为普通硅酸盐水泥(OPC),等级为42.5MPa,适用于包括基础设施、建筑和土木工程项目在内的广泛建设应用。主要用于要求高强度和耐久性的混凝土、砂浆和灌浆。包含5-20%高炉矿渣(BFS)能增强如强度、渗透性和耐腐蚀性等技术性能,使这种OPC变体特别适合需要提升性能特征的项目。 |
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关于数据集的一般性意见 | 基于矿渣的水泥(Slag-based cement,SBC)。按照中国水泥标准(GB175-2007),SBC是一种普通硅酸盐水泥(Ordinary portland cement,OPC),由80-95%的硅酸盐水泥熟料和适量的石膏以及5-20%的高炉矿渣组成。该工厂采用新的干法工艺和5级预热器旋转窑生产SBC。生产规模约为4000吨/天。高炉矿渣(Blast furnace slag,BFS)含量约为10%。高炉矿渣是在高炉炉内与生铁同时产生的副产品,经过空气冷却和水淬两种方式进行处理。空气冷却矿渣通常用于低级应用,而水淬矿渣则可以与石膏一起磨细作为水泥生产中的胶凝材料。此外,将矿渣用作SBC中的外加剂可以提高技术性能,包括强度、渗透性和耐腐蚀性。 |
版权 | 不 |
数据集的所有者 | |
参考定量 | |
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技术代表性 | |
技术说明,包括后台系统 | This plant adopted new dry process and rotary kiln with 5 stages preheater to product SBC. The production scale was about 4000 ton/day. The content of BFS was approximately 10%.BFS was generated as a co-product of pig iron in blast furnaces, and further treated by the means of aircooling and water-quenching. Air-cooled BFS was typically used in low-grade applications; while water-quenching BFS can be grinded with gypsum as a substitute of cementitious materials in cement production. Moreover, the utilization of BFS as admixture in SBC can improve technical properties, including strength, permeability and corrosion resistance (Song and Saraswathy, 2006). Therefore, the inventory of BFS was obtained in accordance with the allocation between pig iron and BFS based on their economic value. Moreover, the land use inventories of BFS, including land occupation and land transformation, were also considered as a benefit of preventing slag storage. |
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数学模型 | |
建模说明 | 该功能单位被定义为42.5 MPa强度的1公斤水泥。系统边界为水泥生产。 |
生命周期清单方法和分配 | |||||
数据集的类型 | Unit process, black box | ||||
偏离生命周期清单方法原理/解释 | 无 | ||||
与建模常数/解释的偏差 | 无 | ||||
数据来源、处理和代表性 | |||||
偏离数据截止和完整性原则/解释 | 无 | ||||
数据选择和组合原则 | 水泥生产过程的环境数据是从北京现代水泥厂中调查和测量得出的。 | ||||
偏离数据选择和组合原则/解释 | 无 | ||||
偏离数据处理和外推原则/解释 | 无 | ||||
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完整性 | |||||
产品模型的完整性 | No statement | ||||
验证 | |||||
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数据生成 | |
数据集生成/建模 | |
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时间戳(上次保存) | 2024-03-19T21:18:09+08:00 |
出版和所有权 | |
UUID | 36a2f64a-7eb9-468c-9aad-05176e9ecbf3 |
最后修订日期 | 2024-04-20T14:42:02.985989+08:00 |
数据集版本 | 00.01.005 |
永久数据集 URI | https://lcadata.tiangong.world/showProcess.xhtml?uuid=36a2f64a-7eb9-468c-9aad-05176e9ecbf3&version=01.00.000&stock=TianGong |
数据集的所有者 | |
版权 | 不 |
许可证类型 | Free of charge for all users and uses |
输入
流类型 | 分类 | 流 | 位置 | 平均量 | 计算量 | 最小量 | 最大量 | ||
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Waste flow | Wastes / Post consumer waste | 102.0 kg | 102.0 kg | ||||||
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Product flow | Materials production / Other mineralic materials | 70.2 kg | 70.2 kg | ||||||
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Product flow | Materials production / Other mineralic materials | 1080.0 kg | 1080.0 kg | ||||||
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Elementary flow | Resources / Resources from ground / Non-renewable material resources from ground | 6.49E-4 kg | 6.49E-4 kg | ||||||
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Product flow | Materials production / Metals and semimetals | 21.4 kg | 21.4 kg | ||||||
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Waste flow | Wastes | 2.96 kg | 2.96 kg | ||||||
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Product flow | Materials production / Other mineralic materials | 76.3 kg | 76.3 kg | ||||||
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Elementary flow | Resources / Resources from ground / Non-renewable energy resources from ground | 137.0 MJ | 137.0 MJ | ||||||
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Elementary flow | Resources / Resources from ground / Non-renewable energy resources from ground | 0.0416 MJ | 0.0416 MJ | ||||||
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输出
流类型 | 分类 | 流 | 位置 | 平均量 | 计算量 | 最小量 | 最大量 | ||
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Elementary flow | Emissions / Emissions to air / Emissions to air, unspecified | 744.0 kg | 744.0 kg | ||||||
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Elementary flow | Emissions / Emissions to air / Emissions to air, unspecified | 0.239 kg | 0.239 kg | ||||||
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Elementary flow | Emissions / Emissions to air / Emissions to air, unspecified | 1.37 kg | 1.37 kg | ||||||
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Elementary flow | Emissions / Emissions to air / Emissions to air, unspecified | 0.244 kg | 0.244 kg | ||||||
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Elementary flow | Emissions / Emissions to air / Emissions to air, unspecified | 0.00184 kg | 0.00184 kg | ||||||
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Elementary flow | Emissions / Emissions to air / Emissions to air, unspecified | 0.0575 kg | 0.0575 kg | ||||||
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Product flow | Materials production / Other mineralic materials | 1000.0 kg | 1000.0 kg | ||||||
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