| 孙继亮,郑 青,李邦宪,陈 刚.废弃混凝土砂粉再利用分选技术初探*[J].水泥工程,2022,35(3):83-85 |
| 废弃混凝土砂粉再利用分选技术初探* |
| A preliminary study on the reuse and separation technology of waste concrete sand powder |
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| DOI： |
| 中文关键词: 废弃混凝土再利用，物料分选，风力分选，机械分选 |
| 英文关键词: waste concrete reuse, material sorting, wind sorting, mechanical sorting |
| 基金项目: |
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| 中文摘要: |
| 本文通过研究固废混凝土初期深加工工艺和设备，对废弃混凝土再利用物料分选进行研究分析：大于2.36 mm较大颗粒采用机械筛分的方法，小于600 μm的微粉采用风力分选的方法；为解决1.18 mm颗粒分离问题，分选采用风选加机械同步分选模式，分离出1.18 mm切割粒径的产品。通过采用分选技术，区段内粒度控制严格，满足标准要求。 |
| 英文摘要: |
| In this paper, by studying the initial deep processing technology and equipment of solid waste concrete, the research and analysis on the sorting of waste concrete reuse materials: the larger particles larger than 2.36 mm are mechanically screened, and the fine powder smaller than 600 μm is used. The method of wind separation; in order to solve the problem of separation of 1.18 mm particles, the separation adopts wind separation and mechanical synchronous separation mode, and separates products with a cutting particle size of 1.18 mm. By adopting the sorting technology, the granularity in the section is strictly controlled to meet the standard requirements. |
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