Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for preparing cemented filling material by using water glass to excite coal gasification slag
The invention relates to a method for preparing a cemented filling material by using water glass to excite coal gasification slag, which comprises the following steps: collecting solid residues after coal gasification, drying in the sun, and grinding into ultrafine powder by using a planetary ball mill; coal gangue is collected and crushed; respectively adding water glass with different mixing amounts into the prepared ultrafine powder; uniformly stirring cement, the prepared fine aggregate, the medium aggregate, the coarse aggregate and the superfine coal gasification slag powder containing the exciting agent, and adding water to form a cemented filling material; and filling the filling material slurry into a mold, and curing in a curing room. The problem that the volcanic ash activity of the coal gasification slag is low can be solved, the problems of shortage of cemented filling materials and high filling cost in the cemented filling mining process are effectively controlled, sustainable development is guaranteed, the widely-stacked coal gasification slag is effectively utilized, and the coal gasification slag is recycled. The pollution hazard to the surrounding environment and the occupation of large-scale land are reduced.
本发明涉及一种利用水玻璃激发煤气化渣制备胶结充填材料的方法，包括以下步骤：收集煤气化后的固体残渣，晒干后利用行星式球磨机研磨形成超细粉；收集煤矸石，对其进行破碎；将制得的超细粉中分别加入不同掺量水玻璃；将水泥与制得的细骨料、中骨料、粗骨料及含有激发剂的煤气化渣超细粉均匀搅拌，加入水形成胶结充填材料；将充填材料料浆装入摸具中，在养护室养护。本发明不仅可以解决煤气化渣火山灰活性较低的问题，并且有效控制了胶结充填开采过程中胶结充填材料短缺，充填成本高的问题，保障可持续发展，并且有效的利用了广泛堆积的煤气化渣，减轻了对周围环境的污染危害和大规模土地的占用。
Method for preparing cemented filling material by using water glass to excite coal gasification slag
The invention relates to a method for preparing a cemented filling material by using water glass to excite coal gasification slag, which comprises the following steps: collecting solid residues after coal gasification, drying in the sun, and grinding into ultrafine powder by using a planetary ball mill; coal gangue is collected and crushed; respectively adding water glass with different mixing amounts into the prepared ultrafine powder; uniformly stirring cement, the prepared fine aggregate, the medium aggregate, the coarse aggregate and the superfine coal gasification slag powder containing the exciting agent, and adding water to form a cemented filling material; and filling the filling material slurry into a mold, and curing in a curing room. The problem that the volcanic ash activity of the coal gasification slag is low can be solved, the problems of shortage of cemented filling materials and high filling cost in the cemented filling mining process are effectively controlled, sustainable development is guaranteed, the widely-stacked coal gasification slag is effectively utilized, and the coal gasification slag is recycled. The pollution hazard to the surrounding environment and the occupation of large-scale land are reduced.
本发明涉及一种利用水玻璃激发煤气化渣制备胶结充填材料的方法，包括以下步骤：收集煤气化后的固体残渣，晒干后利用行星式球磨机研磨形成超细粉；收集煤矸石，对其进行破碎；将制得的超细粉中分别加入不同掺量水玻璃；将水泥与制得的细骨料、中骨料、粗骨料及含有激发剂的煤气化渣超细粉均匀搅拌，加入水形成胶结充填材料；将充填材料料浆装入摸具中，在养护室养护。本发明不仅可以解决煤气化渣火山灰活性较低的问题，并且有效控制了胶结充填开采过程中胶结充填材料短缺，充填成本高的问题，保障可持续发展，并且有效的利用了广泛堆积的煤气化渣，减轻了对周围环境的污染危害和大规模土地的占用。
Method for preparing cemented filling material by using water glass to excite coal gasification slag
一种利用水玻璃激发煤气化渣制备胶结充填材料的方法
26.12.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2023
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