Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Modified lepidolite slag artificial lightweight aggregate and preparation method thereof
The invention discloses a modified lepidolite slag artificial lightweight aggregate and a preparation method thereof, and belongs to the technical field of solid waste treatment and resource utilization, the modified lepidolite slag artificial lightweight aggregate comprises the following raw materials by mass: 30-60% of lithium slag, 15-20% of ground lithium slag, 10-20% of a siliceous material, 8-10% of a binder, and an activator accounting for 0-0.2% of the total mass of the binder, the water accounts for 3-5% of the total mass of the raw materials, and the modifier accounts for 5-10% of The lithium slag generated by lepidolite mineral separation is used as a main raw material, the raw materials are uniformly mixed through raw material grain composition optimization, and the artificial lightweight aggregate with the bulk density of 900-1200kg/m < 3 >, the 1h water absorption rate of less than 10% and the cylinder compressive strength of 4.0-13.0 MPa can be obtained through the processes of watering stirring, compaction granulation, demolding maintenance, interface modification and the like. The artificial lightweight aggregate prepared by the invention can be used for industrial products such as light bricks, light concrete, light prefabricated parts and the like, and resource utilization of the lepidolite slag is realized.
本发明公开了一种改性锂云母渣人造轻集料及其制备方法，属于固体废弃物处理与资源化利用技术领域，其包括以下质量百分数的原料，所述原料包括30～60％锂渣、15～20％磨细锂渣、10～20％硅质材料、8～10％粘结剂，还包括占粘结剂总质量0～0.2％的激发剂，及占原料总质量3～5％的水与5～10％的改性剂。本发明利用锂云母选矿产生的的锂渣作为主要原料，通过原料颗粒级配优化，将原材料混合均匀，经洒水搅拌、压实成粒、脱模养护、界面改性等流程即可得到堆积密度为900‑1200kg/m3、1h吸水率小于10％、筒压强度4.0‑13.0MPa的人造轻集料。该发明制备的人造轻集料可用于轻质砖、轻质混凝土、轻质预制构件等工业产品，实现了锂云母渣的资源化利用。
Modified lepidolite slag artificial lightweight aggregate and preparation method thereof
The invention discloses a modified lepidolite slag artificial lightweight aggregate and a preparation method thereof, and belongs to the technical field of solid waste treatment and resource utilization, the modified lepidolite slag artificial lightweight aggregate comprises the following raw materials by mass: 30-60% of lithium slag, 15-20% of ground lithium slag, 10-20% of a siliceous material, 8-10% of a binder, and an activator accounting for 0-0.2% of the total mass of the binder, the water accounts for 3-5% of the total mass of the raw materials, and the modifier accounts for 5-10% of The lithium slag generated by lepidolite mineral separation is used as a main raw material, the raw materials are uniformly mixed through raw material grain composition optimization, and the artificial lightweight aggregate with the bulk density of 900-1200kg/m < 3 >, the 1h water absorption rate of less than 10% and the cylinder compressive strength of 4.0-13.0 MPa can be obtained through the processes of watering stirring, compaction granulation, demolding maintenance, interface modification and the like. The artificial lightweight aggregate prepared by the invention can be used for industrial products such as light bricks, light concrete, light prefabricated parts and the like, and resource utilization of the lepidolite slag is realized.
本发明公开了一种改性锂云母渣人造轻集料及其制备方法，属于固体废弃物处理与资源化利用技术领域，其包括以下质量百分数的原料，所述原料包括30～60％锂渣、15～20％磨细锂渣、10～20％硅质材料、8～10％粘结剂，还包括占粘结剂总质量0～0.2％的激发剂，及占原料总质量3～5％的水与5～10％的改性剂。本发明利用锂云母选矿产生的的锂渣作为主要原料，通过原料颗粒级配优化，将原材料混合均匀，经洒水搅拌、压实成粒、脱模养护、界面改性等流程即可得到堆积密度为900‑1200kg/m3、1h吸水率小于10％、筒压强度4.0‑13.0MPa的人造轻集料。该发明制备的人造轻集料可用于轻质砖、轻质混凝土、轻质预制构件等工业产品，实现了锂云母渣的资源化利用。
Modified lepidolite slag artificial lightweight aggregate and preparation method thereof
一种改性锂云母渣人造轻集料及其制备方法
XU WEI (Autor:in) / LU YA (Autor:in) / YAN JUN (Autor:in) / SHI LINYUN (Autor:in) / WEI QI (Autor:in) / CHEN ZHONGFA (Autor:in)
01.11.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Lepidolite lithium extraction slag-based cementing material and preparation method thereof
| Europäisches Patentamt | 2024
Filling material containing lepidolite slag as well as preparation method and application thereof
| Europäisches Patentamt | 2020
Lepidolite slag water-based epoxy rapid repair mortar and preparation method thereof
| Europäisches Patentamt | 2024
Preparation method of base-free grouting material based on lepidolite slag
| Europäisches Patentamt | 2024
Artificial lightweight aggregate and preparation method thereof
| Europäisches Patentamt | 2023