The invention discloses a low alkali liquid accelerator for sprayed concrete, the liquid low alkali accelerator prepared by alkali metal aluminate and diluent according to 1: (1 ~ 6) proportion; wherein the alkali metal aluminate hydroxide, alkali metal hydroxide and water; diluent by hydrofluoric acid, metal according to the weight proportion of hydroxide and water; diluent or consisting of fluosilicic acid and metal hydroxide and water according to a certain proportion; diluent or by alkanolamine, organic or inorganic acid and water according to the weight proportion, the invention for injection liquid low alkali accelerator concrete, alkali content in 3% ~ 6% the cement, good adaptability, can be widely used in various types of cement, such as Portland cement, ordinary portland cement, early strength cement, super early strength and low heat cement, cement in the heat Cement, etc.. The amount of water jet cement concrete in 2% ~ 6% to meet the requirements of standard JC4772005 China building materials industry technology.
【技术实现步骤摘要】
【技术保护点】
一种用于喷射混凝土的低碱液体速凝剂,其特征在于,制得的该低碱液体速凝剂由碱金属铝酸盐和稀释剂按1∶(1~6)的比例混合成;所述的碱金属铝酸盐由以下原料按重量百分比组成:氢氧化铝:20%~70%,碱金属氢氧化物:15%~50% ,余量为水;所述的稀释剂由以下原料按重量百分比组成:氢氟酸:2%~30%,金属氢氧化物4%~25%,余量为水;或氟硅酸:2%~30%,金属氢氧化物3%~25%,余量为水;或链烷醇胺:3%~25%,有机酸或无机 酸:3%~25%,余量为水。
【技术特征摘要】
【专利技术属性】
技术研发人员:王宏军,李向东,张朝富,杜宝中,
申请(专利权)人:陕西金石混凝土科技发展有限公司,
类型:发明
国别省市:87[中国|西安]
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