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Under the new economic norm, the Chinese mining industry economics is in climbing over the ridge of the key nodes, into the "brighter" retreat, "all bets are off." Some members of the NPC of China's mining industry should adhere to the reform and transformation of the "two wheel drive" strategy, the government should power, "subtraction", in exchange for the vitality of the market multiplication
Mineral resources are in the earth's crust, which can be developed and utilized in accordance with the geological law. The distribution of mineral resources in the world
The mud pump mud from pulp pool through the mud pipe pump is directly sent to the pile tip. The mud with slag from pile mouth to gush, flow into the mud pool through the mud ditch, filtered then pump into the pile tip, which is the normal circulation of the pile machine cycle.
Carry the role: drilling fluid circulation, through its own cycle, the bottom is broken drill bit cuttings carried to the ground, to keep borehole cleaning, drill from the unimpeded and ensure drill bit at the bottom always contact and break new ground, not caused by repeated cutting, keep safe and fast drilling.
to strengthen the exploration of "green" concept
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Description of reverse circulation drilling

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Description of reverse circulation drilling

(Summary description)The mud pump mud from pulp pool through the mud pipe pump is directly sent to the pile tip. The mud with slag from pile mouth to gush, flow into the mud pool through the mud ditch, filtered then pump into the pile tip, which is the normal circulation of the pile machine cycle.

Description of reverse circulation drilling

(Summary description)The mud pump mud from pulp pool through the mud pipe pump is directly sent to the pile tip. The mud with slag from pile mouth to gush, flow into the mud pool through the mud ditch, filtered then pump into the pile tip, which is the normal circulation of the pile machine cycle.

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The mud pump mud from pulp pool through the mud pipe pump is directly sent to the pile tip. The mud with slag from pile mouth to gush, flow into the mud pool through the mud ditch, filtered then pump into the pile tip, which is the normal circulation of the pile machine cycle.

Contrary to the reverse circulation pile machine, slurry pump mud inlet at the pile tip, outlet in the mud tank, filtered through the mud ditch into the pile mouth.

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