CORE SAMPLING BORING SYSTEM AND CORE SAMPLING BORING METHOD

PROBLEM TO BE SOLVED: To provide a core sampling boring method superior in deoxidation efficiency more than a conventional oxygen free water generating system, and including inert gas of the optional mixing ratio in response to a sampling-boring advancing condition. SOLUTION: This core sampling bori...

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Bibliographische Detailangaben
Hauptverfasser:	ARAKI KUNIO, SEKO ICHIRO, IWATA MASARU, OSHIKA AKIFUMI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a core sampling boring method superior in deoxidation efficiency more than a conventional oxygen free water generating system, and including inert gas of the optional mixing ratio in response to a sampling-boring advancing condition. SOLUTION: This core sampling boring system has a suspended bubble water generator 100 for generating suspended bubble water of an oxygen free state, and an excavation core sampling device for excavating a core by using the bubble water generated by the bubble water generator 100. The suspended bubble water generator 100 has a first gas-liquid mixer 108 for generating the suspended bubble water by mixing the inert gas with water, a gas-liquid separator 112 for generating oxygen free water by separating gas from the suspended bubble water generated by the first gas-liquid mixer 108, and a second gas-liquid mixer 126 for generating the suspended bubble water by mixing the inert gas with the oxygen free water generated by the gas-liquid separator 112. COPYRIGHT: (C)2006,JPO&NCIPI