Zhongmei brand Waterdoor for underground mining

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Product Description:


In the underground may be threatened by the damage location, to prevent a sudden influx of groundwater and other roadway cross-section specifically set water gate.

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Waterdoor Introduction

A water gate specifically set in the underground location where may be threatened by the damage , to prevent a sudden influx of groundwater and other roadway cross-section.

Waterdoor Operation

Waterproof gate (waterdoor) is mine water facilities with the door that set up in order to prevent suddenly rush water underground,usually made of concrete wall battlements, door frames and openable doors. The shape of the door leaf has circular and rectangular shape .

When the water pressure exceed 3 mpa,  spherical shape door leaf against huge water pressure. Door plank is generally made from iron or steel plate, and its thickness according to water pressure.When the water pressure is less than 4 mpa, 36-65 mm steel plate are available, or a certain thickness of steel plate on both sides of i-steel welding; When the water pressure more than 4 mpa, should use the casting iron . 

Door frame dimensions should meet the transport requirements ,general width is 0.9 to 1 m, height of 1.8 to 2 m. Contact surface of doors and door frames made into oblique shape, with rubber mat, stereotype or tar-impregnated canvas, ensuring tight contact surface watertight.

Waterdoor Application

Waterdoor installed in tunnel where the water need to block and usually need transportation, pedestrian.For example, the total confluence to flood threat area of roadway and bottom, underground water pump room, etc. Rock surrounded the waterproof gate should be solid, impervious.Within the concrete wall battlements round to wedge rock, with water under high pressure and no leaking. Waterproof gate is open at ordinary times, install it where a short activity of rail, the water inrush occurs could quickly dismantled activity rail, the waterproof gate is closed. Gate close direction should be from origin water side to the lateral side.

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