Determination of length of horizontal pneumatic transport line in drilling machine for mud removal by negative pressure


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Abstract

Under discussion is soil transport by negative pressure generated in horizontal rotating pipeline. Based on the relations between soil batch velocity, soil batch mass and diameter of the pipeline, the authors have developed procedure to determine the limit pipeline length. The rotary velocity of the pipeline is related with its diameter. Reliability of the proposed procedure results is experimentally proved.

About the authors

B. B. Danilov

Chinakal Institute of Mining, Siberian Branch

Email: bsmol@misd.ru
Russian Federation, Krasnyi pr. 54, Novosibirsk, 630091

B. N. Smolyanitsky

Chinakal Institute of Mining, Siberian Branch

Author for correspondence.
Email: bsmol@misd.ru
Russian Federation, Krasnyi pr. 54, Novosibirsk, 630091

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