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Improvement of Relayed Drainage System of Large Scale Mine Submerge Motor Pump |
HU Wei, Jin Lei |
Hefei Sanyi Janghai Pump Co., Ltd., Hefei 230011, China |
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Abstract Aimed at the problems existing in dealing with mine drainage emergency in our country, the disadvantage of the relayed drainage system composed by original entirely tubular axial-flow submerged pump and large-scale mine submerged pump is analyzed. A new relayed drainage system made up by oil-filled mixed-flow submerge pump and large-scale mine submerged pump is put forward. The merits of this system is thec haracteristics ofs trongd raina bility,r eliableo perationt hrought rial-productiona nds pot-operation,i t can solve the problems of deep and big runoff drainage, availability and security for the resuming exploitation of the submerged underground coal nine, iron ore, etc
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Received: 08 August 2013
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