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A platform for research: civil engineering, architecture and urbanism
Production method of modified ardealite material
The invention discloses a production method of a modified ardealite material, and the production process is as follows: raw slag ardealite, building gypsum powder, lime and a curing agent are metered according to a certain proportion and then are simultaneously added into a mixer for secondary mixing reaction, so that the uniformity of the mixing reaction is ensured. The modified ardealite material which is uniformly mixed is aged at a certain temperature and within a certain period of time, so that the ardealite material fully reacts, and the ardealite is fully modified. After a certain amount of cement is added into the modified ardealite material, the compressive strength of the modified ardealite material in 28 days reaches 1-3 MPa. The content of soluble phosphorus, fluorine, pH and heavy metal in a toxic leaching solution of the modified ardealite material is extremely low, no pollution risk is caused to the environment, the modified ardealite material can be used for treating a goaf of a mine and filling an underground mine, and large-scale utilization of the modified ardealite material can be realized.
本发明公开了一种改性磷石膏材料的生产方法，其生产工艺是将原渣磷石膏与建筑石膏粉、石灰和固化剂按一定的比例，通过计量后同时加入混合机进行二级混合反应，确保混合反应的均匀性。经过均匀混合的改性磷石膏材料，在一定温度和时间内进行陈化，使其充分反应，以实现磷石膏的充分改性。将改性磷石膏材料加入一定量的水泥后，其28天的抗压强度达到1‑3MPa。改性后的磷石膏材料毒性浸出液中的可溶性磷、氟、pH、重金属含量极低，对环境无污染风险，并且通过改性后的磷石膏材料可以用于矿山采空区的治理和井下矿井的充填，可实现改性磷石膏材料的大规模化利用。
Production method of modified ardealite material
The invention discloses a production method of a modified ardealite material, and the production process is as follows: raw slag ardealite, building gypsum powder, lime and a curing agent are metered according to a certain proportion and then are simultaneously added into a mixer for secondary mixing reaction, so that the uniformity of the mixing reaction is ensured. The modified ardealite material which is uniformly mixed is aged at a certain temperature and within a certain period of time, so that the ardealite material fully reacts, and the ardealite is fully modified. After a certain amount of cement is added into the modified ardealite material, the compressive strength of the modified ardealite material in 28 days reaches 1-3 MPa. The content of soluble phosphorus, fluorine, pH and heavy metal in a toxic leaching solution of the modified ardealite material is extremely low, no pollution risk is caused to the environment, the modified ardealite material can be used for treating a goaf of a mine and filling an underground mine, and large-scale utilization of the modified ardealite material can be realized.
本发明公开了一种改性磷石膏材料的生产方法，其生产工艺是将原渣磷石膏与建筑石膏粉、石灰和固化剂按一定的比例，通过计量后同时加入混合机进行二级混合反应，确保混合反应的均匀性。经过均匀混合的改性磷石膏材料，在一定温度和时间内进行陈化，使其充分反应，以实现磷石膏的充分改性。将改性磷石膏材料加入一定量的水泥后，其28天的抗压强度达到1‑3MPa。改性后的磷石膏材料毒性浸出液中的可溶性磷、氟、pH、重金属含量极低，对环境无污染风险，并且通过改性后的磷石膏材料可以用于矿山采空区的治理和井下矿井的充填，可实现改性磷石膏材料的大规模化利用。
Production method of modified ardealite material
一种改性磷石膏材料的生产方法
HU HONG (author) / LUO XIANSONG (author) / XIAO BO (author) / SUN PENG (author) / ZHOU MIN (author) / XUE SHAOXIU (author) / TANG GUANGYU (author) / CHEN YU (author) / PENG HAO (author)
2022-12-23
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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