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发明名称
井巷混凝土湿喷支护的工艺及机具
摘要
一种矿井巷道湿式喷射混凝土支护材料的工艺及机具。通过改进的工艺及机具,降低了粉尘浓度,输送量较大(7-10立方米/时)易在矿井巷道支护中推广应用。其特征是将水泥和石子、砂子分两路输送至喷枪。一路:用密闭搅拌器将水和水泥搅拌后,由泥浆泵输送到喷枪;另一路将砂子、石子通过密闭风力输料机,由压风管道送至喷枪,两路混合后,喷向所要支护的巷道。该实用新型用于矿井掘进巷道支护。
申请公布号
CN2077482U
申请公布日期
1991.05.22
申请号
CN90216869.X
申请日期
1990.07.31
申请人
大同矿务局生产技术处
发明人
严致祥;朱文安;王彤;尹建河;乔宏亮
分类号
E21D11/10
主分类号
E21D11/10
代理机构
代理人
主权项
1、一种矿井巷道湿式喷射混凝土支护材料的工艺方法,本实用新型的特征是,将水和水泥按比例送入搅拌器中,制成水泥浆泵至喷枪;将砂子和石子按比例放入输送容器,混合后,由压风输送到喷枪;在喷枪内将水泥浆和砂子、石子混合后,喷向需要支护的巷道表面。
地址
037003山西省大同市新平旺
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