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SOLID FLUIDIZATION GREEN MINING APPARATUS AND METHOD FOR SHALLOW-LAYER NATURAL GAS HYDRATES IN SEABED

机译:浅层天然气水合物的固体流化绿色开采装置及方法

摘要

A solid fluidization green mining apparatus and method for shallow-layer natural gas hydrates in a seabed, the mining apparatus comprising a sea surface support system, a pipeline conveying system and a seabed drilling and mining system. The sea surface support system comprises a hydrate drilling and mining ship (1) which floats on sea water. The pipeline conveying system comprises a double-layered continuous oil pipe (5) and a recoverable duct (8). The seabed drilling and mining system comprises a hydrate slurry separator (9), a single-screw pump (17), a hydrate drill bit (15), and an injector (13) that is internally provided with a differential pressure sliding sleeve (14).
机译:一种用于海床中浅层天然气水合物的固态流化绿色采矿设备和方法,该采矿设备包括海面支撑系统,管道输送系统和海床钻采系统。海面支撑系统包括漂浮在海水上的水合物钻井和采矿船(1)。管道输送系统包括双层连续油管(5)和可回收管道(8)。海底钻采系统包括水合物泥浆分离器(9),单螺杆泵(17),水合物钻头(15)和在内部设有压差滑动套筒(14)的注入器(13)。 )。

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