探矿工程-岩土钻掘工程
探礦工程-巖土鑽掘工程
탐광공정-암토찬굴공정
EXPLORATION ENGINEERING (DRILLING & TUNNELING)
2014年
7期
52-57
,共6页
宋小军%李文彬%王扶志%殷琨
宋小軍%李文彬%王扶誌%慇琨
송소군%리문빈%왕부지%은곤
空气反循环钻探%贯通式潜孔锤%取心钻进%锤头%混合器接头%钻进效率
空氣反循環鑽探%貫通式潛孔錘%取心鑽進%錘頭%混閤器接頭%鑽進效率
공기반순배찬탐%관통식잠공추%취심찬진%추두%혼합기접두%찬진효솔
air reverse circulation drilling%run-through DTH%coring bit%hammer%mixer joint%drilling efficiency
贯通式空气反循环潜孔锤连续取心技术主要适用于干旱无水或缺水地区的地质钻探工作。为了了解该工艺的普遍适用性,在某大水矿区进行了一系列试验,通过对锤头和钻杆的局部改造,解决了钻探、取心、治水等一系列重大难题,为提高该工艺的普遍适用性和推广性提供了可靠的技术支撑。
貫通式空氣反循環潛孔錘連續取心技術主要適用于榦旱無水或缺水地區的地質鑽探工作。為瞭瞭解該工藝的普遍適用性,在某大水礦區進行瞭一繫列試驗,通過對錘頭和鑽桿的跼部改造,解決瞭鑽探、取心、治水等一繫列重大難題,為提高該工藝的普遍適用性和推廣性提供瞭可靠的技術支撐。
관통식공기반순배잠공추련속취심기술주요괄용우간한무수혹결수지구적지질찬탐공작。위료료해해공예적보편괄용성,재모대수광구진행료일계렬시험,통과대추두화찬간적국부개조,해결료찬탐、취심、치수등일계렬중대난제,위제고해공예적보편괄용성화추엄성제공료가고적기술지탱。
Continuous coring technology by run-through air reverse circulation DTH hammer is mainly applied in the geolog-ical drilling in dry or water-deficient areas.In order to learn the universal applicability of this technology, a series of exper-iments were conducted in a water abundant mining area, by local transformation of the hammer and drill pipe, the major problems of drilling, coring and water control were solved.