44e528fa-4cf6-4c16-9ab7-a96336ebc7d4 cement production;cement, alternative constituents 6-20%, 42.5RMPa;new suspension preheater;mixed solid wastes 水泥生产;水泥, 替代成分 6-20%, 42.5RMPa;新型悬浮预热器;混合固废 Unit processes Materials production Other mineralic materials Early strength cement where the 3rd day compressive strength is greater than 19 MPa and the 28th day compressive strength is 42.5 MPa. Industrial solid waste that contains silica and flue gas desulfurized (FGD) gypsum is used in cement manufacture instead of clay and gypsum. The main stream of cement production – new suspension preheater (NSP) – is applied in the Chinese cement industry. There are three primary production processes: The pulverized coal and raw material preparation process, including the transfer, grinding, homogenization, and storage of raw materials, and the grinding and storage of coal. In the incineration process, the ground and mixed raw materials are inputted into the preheater and then the calciner and decomposed with 60% coal at 950 ◦C. The limestone decomposes to about 95% in the calciner and 5% in the kiln. The decomposed materials fall into the kiln and are incinerated to clinker with 40% coal at a temperature of over 1400 ◦C. In the finishing process, the cement is produced when the clinker, mineral additions, and gypsum are granulated finely by a grinding mill. The raw materials are suspended and heated by recycled hot air in the preheater. 早强水泥的第三天抗压强度大于19 MPa，第28天抗压强度为42.5 MPa。主要的水泥生产方式—新型悬浮预热器（New suspension preheater，NSP）—被应用于中国水泥工业。有三个主要的生产过程：粉煤和原材料准备过程，包括生料的传输、研磨、均化和存储，以及煤的研磨和存储。在焚烧过程中，研磨和混合的生料被输入预热器，然后在煅烧炉中以950℃和60%煤分解。在煅烧炉中，石灰石分解率约为95%，在窑中分解率为5%。分解后的材料落入窑中，在1400℃以上的温度下与40%煤燃烧成熟料。在成品加工过程中，通过磨煤机将熟料、矿物添加剂和石膏细粉磨成水泥。生料在预热器中悬浮并通过回收的热空气加热。 23 The China United Cement Corporation 中国联合水泥公司 The main stream of cement production – new suspension preheater (NSP) – is applied in the Chinese cement industry. There are three primary production processes: The pulverized coal and raw material preparation process, including the transfer, grinding, homogenization, and storage of raw materials, and the grinding and storage of coal. In the incineration process, the ground and mixed raw materials are inputted into the preheater and then the calciner and decomposed with 60% coal at 950 ◦C. The limestone decomposes to about 95% in the calciner and 5% in the kiln. The decomposed materials fall into the kiln and are incinerated to clinker with 40% coal at a temperature of over 1400 ◦C. In the finishing process, the cement is produced when the clinker, mineral additions, and gypsum are granulated finely by a grinding mill. The raw materials are suspended and heated by recycled hot air in the preheater (Hasanbeigi et al., 2010). The main stream of cement production – new suspension preheater (NSP) – is applied in the Chinese cement industry. There are three primary production processes: The pulverized coal and raw material preparation process, including the transfer, grinding, homogenization, and storage of raw materials, and the grinding and storage of coal. In the incineration process, the ground and mixed raw materials are inputted into the preheater and then the calciner and decomposed with 60% coal at 950 ◦C. The limestone decomposes to about 95% in the calciner and 5% in the kiln. The decomposed materials fall into the kiln and are incinerated to clinker with 40% coal at a temperature of over 1400 ◦C. In the finishing process, the cement is produced when the clinker, mineral additions, and gypsum are granulated finely by a grinding mill. The raw materials are suspended and heated by recycled hot air in the preheater (Hasanbeigi et al., 2010). This data set represents the use of 42.5 RMPa strength grade cement primarily produced by the New Suspension Preheater (NSP) method, with alternative constituents accounting for 6-20%, which is utilized in construction and infrastructural development. This form of early strength cement which achieves over 19 MPa compressive strength on the 3rd day and 42.5 MPa on the 28th day is suitable for rapid construction scenarios where early strength gain is critical. Industrial solid wastes are utilized in this cement manufacturing process as substitutes for traditional raw materials like clay and gypsum, reducing environmental impact and fostering circular economy practices. 本数据集代表了主要通过新型悬浮预热器（NSP）方法生产的42.5 RMPa强度等级水泥，替代成分占6-20%，该水泥主要用于建筑和基础设施开发。这种早强水泥在第三天的抗压强度超过19 MPa，第28天可达42.5 MPa，适合于需要早期强度的快速建设场景。在这一水泥生产过程中，工业固体废物被用于替代传统原材料如黏土和石膏，减少了环境影响，促进了循环经济实践。 LrPfbq4m1oTMZGxouG8c5JAtnkn.png Use 1 ton of cement with 42.5 RMPa strength grade as functional unit (FU).System boundaries involve raw material and energy production, road transport, raw material crushing, clinker production, cement milling and packaging, waste heat energy recovery, direct emissions, on-site flue gas treatment and solid waste reuse in cement plants. 使用42.5 RMPa强度等级的1吨水泥作为功能单位（FU）。系统边界涉及原材料和能源生产、道路运输、原材料破碎、熟料生产、水泥磨和包装、废热能回收、直接排放、现场烟气处理和水泥厂中固体废物再利用。 LCI result None 无 None 无 None 无 Annual average data on the operational processes of cement production (e.g. raw material and energy consumption, transportation distance, energy recovery, direct emissions, waste disposal, capital costs) were obtained from a survey of China United Cement Company. 水泥生产的操作过程（如原材料和能源消耗、运输距离、能量回收、直接排放、废弃物处理、资本成本）的年度平均数据是从中国联合水泥公司的调查中获得的。 None 无 None 无 Dong Yang, Lin Fan, Feng Shi, Qian Liu, & Yajing Wang. (2017). Comparative study of cement manufacturing with different strength grades using the coupled LCA and partial LCC methods-A case study in China. RESOURCES CONSERVATION AND RECYCLING, 119, 60–68. Dong Yang, Lin Fan, Feng Shi, Qian Liu, & Yajing Wang. (2017). Comparative study of cement manufacturing with different strength grades using the coupled LCA and partial LCC methods-A case study in China. RESOURCES CONSERVATION AND RECYCLING, 119, 60–68. China United Cement Co., Ltd. accounts for 9.45% of China's cement market.According to data from the "2014 China Cement Yearbook", the number of 5000t/d and 2500t/d cement production lines using new suspension preheater technology accounted for 56.1% and 28.3% of all cement production lines in China respectively. Production lines with a scale of 5000t/d and 2500t/d may have relative accuracy, reflecting the main characteristics of China's cement production.Parameter: value;Cement production line scale: 5000t/d×1, 2500t/d×2;Cement production technology: new suspended preheater;Power generation recovery efficiency: 30%;Dust removal technology: dry bag dust removal;Dust removal efficiency: 99.95%;Denitrification technology: selective non-catalytic reduction method;Denitrification efficiency: 50.00%. 中国联合水泥有限公司，占中国水泥市场的9.45%。根据《2014年中国水泥年鉴》的数据，采用新型悬浮预热器技术的5000t/d和2500t/d水泥生产线数量分别占中国所有水泥生产线的56.1%和28.3%。规模为5000t/d和2500t/d的生产线可能具有相对准确性，反映了中国水泥生产的主要特点。参数：数值；水泥生产线规模：5000t/d×1，2500t/d×2；水泥生产技术：新型悬浮预热器；发电回收效率：30%；除尘技术：干法袋式除尘；除尘效率：99.95%；脱硝技术：选择性非催化还原法；脱硝效率：50.00%。 When using this data, practitioners should consider the integration of industrial solid waste in the material dataset as an alternative not only for the environmental benefits but also for the early strength property of the cement. It is crucial to account for the system boundaries outlined, including raw material and energy production, transportation, and emissions. Due to the comprehensive inclusion of alternative constituents in this data set, users must ensure that their use case aligns with scenarios involving the construction or retrofitting of structures requiring early strength gain. Additionally, the operational data for this LCA should be used in conjunction with established LCA methodology standards, and users should be mindful of the technological applicability and geographical specificity (China) of the data. 使用此数据时，从业者应考虑将工业固体废物集成到材料数据集中作为替代选项，不仅因为其环境效益，还因为水泥的早期强度特性。账户系统边界的概述至关重要，包括原材料和能源生产、运输和排放。由于此数据集广泛包含替代成分，用户必须确保其使用案例与涉及需要早期强度增益的结构构造或改造的场景一致。此外，此LCA的操作数据应与建立的LCA方法标准结合使用，并且用户应注意数据的技术适用性以及地理特定性（中国）。 The manufacturing of raw materials except limestone is ignored because almost all of these materials are industrial solid waste. 除了石灰石外，原材料的制造被忽略，因为几乎所有这些材料都是工业固体废物。 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.com ysqsophia@gmail.com ysqsophia@gmail.com 2024-03-19T21:18:09+08:00 2024-04-20T14:41:56.425034+08:00 00.01.005 https://lcadata.tiangong.world/showProcess.xhtml?uuid=44e528fa-4cf6-4c16-9ab7-a96336ebc7d4&version=01.00.000&stock=TianGong Tiangong LCI Data Working Group 天工LCI数据工作小组 false Free of charge for all users and uses calcium carbonate Input 832.15 832.15 Limestone 石灰石 ash Input 346.93 346.93 Fly ash 粉煤灰 gypsum Input 58.56 58.56 Gypsum 石膏 Iron tailings Input 43.82 43.82 lron powder mineral mud 铁粉矿泥 clay Input 32.37 32.37 Quartz sand mineral mud 石英砂矿物泥 blast furnace slag Input 30.6 30.6 Slag 矿渣 shale Input 9.45 9.45 Shale 页岩 Construction waste Input 3.96 3.96 Construction waste 建筑垃圾 Mineral waste Input 3.29 3.29 Coal gangue 煤矸石 Carbide slag Input 0.0 0.0 Acetylene sludge 乙炔渣 ammonia, anhydrous, liquid Input 0.47 0.47 Ammonia 氨 water Input 290.0 290.0 Water 水 Electricity Input 226.512 226.512 Electricity. The LCI data for electricity and coal were collected from the literature. 电。从文献中收集了电力和煤的LCI数据。 hard coal;  26.3 MJ/kg Input 88.4 88.4 Coal. The LCI data for electricity and coal were collected from the literature. 煤炭。从文献中收集了电力和煤的LCI数据。 transport in t*km Input 290.0 290.0 Road transport. According to the survey, the transport distance of raw materials in the cement production is about 200 km. The environmental impacts of road transportation were taken from the literature. 公路运输。根据调查，原材料在水泥生产中的运输距离约为200公里。道路运输的环境影响取自文献。 carbon dioxide (fossil) Output 484.19 484.19 CO2 二氧化碳 sulfur dioxide Output 0.092 0.092 SO2 SO2 Nitrogen oxides Output 0.18 0.18 NOX NOx particles (> PM10) Output 0.11 0.11 Particulates. The particle size is not specified. Here we treat it as PM>10. 颗粒，未标明粒径，按PM>10处理。 fluoride Output 0.00227 0.00227 Fluoride 氟化物 ammonia Output 0.00712 0.00712 Ammonia 氨 mercury Output 9.509e-05 9.509e-05 Hg HG Water Output 0.023 0.023 Waste water 废水 cement, alternative constituents 6-20%, 42.5RMPa Output 1000.0 1000.0 42.5R MPa cement 42.5RMPa水泥