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水泥技术, 2025, 1(5): 84-88    doi: 10.19698/j.cnki.1001-6171.20255084
  工程设计 本期目录 | 过刊浏览 | 高级检索 |
硬岩骨料生产线破碎方案选型计算方法探讨
中国建材装备集团有限公司天津水泥工业设计研究院有限公司,天津  300133
Analysis of Crusher Design and Equipment Selection for Hard Rock Aggregate Production Line
CNBM Equipment Group, Tianjin Cement Industry Design & Research Institute Co., Ltd. , Tianjin 300133, China
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摘要 砂石骨料是国家基础设施建设的重要原材料,本文以西北地区某硬岩骨料生产线为例,探讨了前期方案设计阶段工艺流程比选与设备选型计算方法。首先,分析了原料特性和常用破碎机性能(反击式、颚式、圆锥式等)及适用条件,经过比选提出采用粗碎(颚式破碎机)、中碎(圆锥破碎机)、细碎(圆锥破碎机)及闭路筛分的“三工段、一闭路”破碎工艺流程,计算确定各工段破碎比和排矿口宽度等参数;其次,结合项目规模(年产250万吨)和产品要求(5~31.5mm高端骨料及精品机制砂),分别计算各工段的设计破碎能力和最大循环量;最后,根据计算结果进行硬岩骨料破碎设备选型。实际应用表明,实际生产工艺和破碎设备选型与设计方案一致,骨料产品产量和质量均达到合同要求,可为类似硬岩骨料生产线项目前期方案设计提供参考。
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赵翔
关键词:  砂石骨料  硬岩破碎  破碎比  工艺流程  设备选型    
Abstract: Sand and gravel aggregates are essential raw materials for infrastructure construction. This paper takes a hard rock aggregate production line project in Northwestern China as an example to discuss the process flow comparison and equipment selection calculation methods during the pre-project design stage. First, the raw material characteristics and the performance of impact crusher, jaw crusher, cone crusher and applicable conditions of commonly used crushers were analyzed. Through comparison, a three-stage and one closed-circuit crushing process of primary jaw crusher + secondary cone crusher + tertiary cone crusher and closed-circuit screening was proposed, and parameters such as size reduction ration and opening outlet width(CSS) of each section stage. Then, base on the project  scale (annual output of 2.5million tons) and product requirement (5~31.5mm high-end aggregates and high-quality machine-made sand), the each stage crushing capacity and maximum circulation of the crushers are calculated separately. Finally, the hard rock aggregate crushing equipment type are selected based on the calculation results. Practical application of the project showed that the design scheme was consistent with the actual production process and crusher selection, and the product output and quality met the contract requirements. This can serve as a reference for the preliminary scheme design of similar hard rock aggregate production line projects.
Key words:  sand and gravel aggregates         hard rock crush         size reduction ration    process flowing    equipment selection
收稿日期:  2025-01-09                出版日期:  2025-09-25      发布日期:  2025-09-22      整期出版日期:  2025-09-25
ZTFLH:  TQ  
  TD921.2  
作者简介:  赵翔(1981—),男,硕士,高级工程师,主要从事建材矿山开采设计、数字化智能矿山系统研究。E-mail:zhaoxiang@sinoma-tianjin.cn
引用本文:    
赵翔. 硬岩骨料生产线破碎方案选型计算方法探讨[J]. 水泥技术, 2025, 1(5): 84-88.
ZHAO Xiang. Analysis of Crusher Design and Equipment Selection for Hard Rock Aggregate Production Line. Cement Technology, 2025, 1(5): 84-88.
链接本文:  
http://www.cemteck.com/CN/10.19698/j.cnki.1001-6171.20255084  或          http://www.cemteck.com/CN/Y2025/V1/I5/84
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