发明名称 |
Способ открытой разработки месторождений полезных Способ открытой разработки месторождений полезных ископаемых ископаемых |
摘要 |
FIELD: mining industry, particularly for open-cast mining of steeply inclined, even vertical, laterally bounded ore body, for instance diamondiferous kimberlite pipe under flooded conditions. ^ SUBSTANCE: method involves forming hydraulic-mining dump; opening quarry field by pit excavation; filling the pit with water; installing floating pump dredger in plant with cutter; performing rock excavation at quarry field; transporting the obtained rock to ground surface through pulp conveying line and conveying dead rock to hydraulic-mining pump. The quarry field is previously zoned into horizontal layers (horizons) and quarry field development is performed by cutting horizontal layers in top-bottom direction so that water level is lowered as layers are excavated and water surface is maintained at current production horizon level. ^ EFFECT: reduced power and cost inputs for field dewatering. ^ 3 cl, 2 dwg |
申请公布号 |
RU2002101168(A) |
申请公布日期 |
2003.09.10 |
申请号 |
RU20020101168 |
申请日期 |
2002.01.21 |
申请人 |
Милушков Виктор Адольфович Милушков Виктор Адольфович |
发明人 |
Зуев Владимир Миронович Зуев Владимир Миронович;Милушков Виктор Адольфович Милушков Виктор Адольфович;Валуев Евгений Павлович Валуев Евгений Павлович;Заостровцев Виктор Николаевич Заостровцев Виктор Николаевич;Сафонов Владимир Львович Сафонов Владимир Львович;Лесков Михаил Иванович Лесков Михаил Иванович |
分类号 |
E21C41/00;E21C41/26 |
主分类号 |
E21C41/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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