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作 者:崔杰 程林 满国祥 孔令沪 朱立强 CUI Jei;CHENG Lin;MAN Guoxiang;KONG Linghu;ZHU Liqiang(Hebei Geology and Mineral Group Co.,Ltd,Shijiazhuang 050000,China;Land and Resources Exploration Center of Hebei Bureau of Geology,Mineral Exploration&Development,Shijiazhuang 050081,China)
机构地区:[1]河北地矿集团有限公司,石家庄050000 [2]河北省地质矿产勘查开发局国土资源勘查中心,石家庄050081
出 处:《地质装备》2023年第2期8-11,共4页Equipment for Geotechnical Engineering
摘 要:本文介绍了JGZ-1220大口径应急抢险救援工程钻机的研发和试验情况。该钻机可采用泥浆正循环、气举反循环、空气反循环等多种施工工艺,转盘通孔直径达到1200 mm,是施工大直径钻孔的高效设备,主要适用于矿山应急抢险救援井、预建地面直通避难硐室的逃生出口井、矿山通风井、采空区填充井等钻孔的施工。This paper introduces the development and experiment of JGZ-1220 large diameter engineering drilling rig for emergency rescue.This drilling rig with turntable through-hole diameter up to 1200 mm an efficient equipment for the drilling of large-diameter holes with various construction technologies,such as mud positive circulation,air-lift reverse circulation and air reverse circulation,and mainly applicable to the construction of mine emergency rescue well,escape exit well pre-built on ground directly leading to the refuge chamber,mine ventilation shaft,filling shaft in goaf and other holes.
分 类 号:P634.31[天文地球—地质矿产勘探]
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