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A platform for research: civil engineering, architecture and urbanism
Utilization method of dechlorinated waste incineration fly ash and iron tailings
The invention relates to the technical field of solid waste recycling, in particular to a utilization method of dechlorinated waste incineration fly ash and iron tailings. The invention discloses a method for utilizing dechlorinated waste incineration fly ash and iron tailings. The method comprises the following steps: finely grinding the iron tailings until the particle size of-150 microns is greater than or equal to 80%; the method comprises the following steps: uniformly mixing 30-70% of dechlorinated waste incineration fly ash, 30-70% of iron tailings and 0-10% of an additive, roasting, cooling, and carrying out primary fine grinding and magnetic separation on a roasted product to prepare an iron alloy product and a geopolymer blocky material. According to the method, dechlorinated waste incineration fly ash and iron tailings are used as raw materials, an additive is added when necessary, and an iron alloy product and a geopolymer material are prepared through low-energy-consumption co-reduction. According to the method, the resource utilization of the dechlorinated waste incineration fly ash and the iron tailings is realized, the directional recovery of heavy metals is also realized, meanwhile, the geopolymer material with wide application value is obtained, a new resource utilization path is provided for the treatment of the waste incineration fly ash, and the idea of'treating waste with waste and co-treating 'is realized.
本申请涉及固体废弃物资源化技术领域，特别涉及一种脱氯垃圾焚烧飞灰和铁尾矿的利用方法。一种脱氯垃圾焚烧飞灰和铁尾矿的利用方法，包括以下步骤：将铁尾矿细磨至‑150μm≥80%；将30～70%脱氯垃圾焚烧飞灰、30～70%铁尾矿和0～10%添加剂混合均匀后焙烧，冷却后，将焙烧产物进行一次细磨和磁选，制得铁合金产品和地聚物块状材料。本发明以脱氯垃圾焚烧飞灰和铁尾矿为原料，必要时添加添加剂，通过低能耗共还原，制得铁合金产品和地聚物材料。本发明不但实现了脱氯垃圾焚烧飞灰和铁尾矿的资源化利用，还实现重金属定向回收，同时得到具有广泛应用价值的地聚物材料，为垃圾焚烧飞灰的处置提供了新的资源化利用路径，实现了“以废治废，协同处置”的理念。
Utilization method of dechlorinated waste incineration fly ash and iron tailings
The invention relates to the technical field of solid waste recycling, in particular to a utilization method of dechlorinated waste incineration fly ash and iron tailings. The invention discloses a method for utilizing dechlorinated waste incineration fly ash and iron tailings. The method comprises the following steps: finely grinding the iron tailings until the particle size of-150 microns is greater than or equal to 80%; the method comprises the following steps: uniformly mixing 30-70% of dechlorinated waste incineration fly ash, 30-70% of iron tailings and 0-10% of an additive, roasting, cooling, and carrying out primary fine grinding and magnetic separation on a roasted product to prepare an iron alloy product and a geopolymer blocky material. According to the method, dechlorinated waste incineration fly ash and iron tailings are used as raw materials, an additive is added when necessary, and an iron alloy product and a geopolymer material are prepared through low-energy-consumption co-reduction. According to the method, the resource utilization of the dechlorinated waste incineration fly ash and the iron tailings is realized, the directional recovery of heavy metals is also realized, meanwhile, the geopolymer material with wide application value is obtained, a new resource utilization path is provided for the treatment of the waste incineration fly ash, and the idea of'treating waste with waste and co-treating 'is realized.
本申请涉及固体废弃物资源化技术领域，特别涉及一种脱氯垃圾焚烧飞灰和铁尾矿的利用方法。一种脱氯垃圾焚烧飞灰和铁尾矿的利用方法，包括以下步骤：将铁尾矿细磨至‑150μm≥80%；将30～70%脱氯垃圾焚烧飞灰、30～70%铁尾矿和0～10%添加剂混合均匀后焙烧，冷却后，将焙烧产物进行一次细磨和磁选，制得铁合金产品和地聚物块状材料。本发明以脱氯垃圾焚烧飞灰和铁尾矿为原料，必要时添加添加剂，通过低能耗共还原，制得铁合金产品和地聚物材料。本发明不但实现了脱氯垃圾焚烧飞灰和铁尾矿的资源化利用，还实现重金属定向回收，同时得到具有广泛应用价值的地聚物材料，为垃圾焚烧飞灰的处置提供了新的资源化利用路径，实现了“以废治废，协同处置”的理念。
Utilization method of dechlorinated waste incineration fly ash and iron tailings
一种脱氯垃圾焚烧飞灰和铁尾矿的利用方法
GENG CHAO (author) / LI QUANMING (author) / ZHANG HONG (author) / CHEN CHENG (author) / SHI XIANFENG (author) / ZHU MENGYAO (author)
2024-08-20
Patent
Electronic Resource
Chinese
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