as the name suggests open pit mining involves mining minerals or ore that can be found near the surface layer of the site. that being said some quarries can be over 1000 meters deep. this form of mining doesn’t require tunnelling into the earth and is a simple method of mining that yields high
mine dewatering pumps can be used as main drainage pump when being installed in mine. because of submersible motor installed inside it can also be used as rescue and emergency pump. two kinds of pumps can be used as mine dewatering pumps.
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pump contains reciprocating diaphragm and inlet and outlet check valves. many applications in general plant service where the liquid being pumped has high solids content or high viscosity. wide range of liquids including liquids containing solids and corrosive liquids. handles a wide range of liquids including liquids containing solids.
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a centrifugal water pump uses a rotating impeller to move water into the pump and pressurize the discharge flow. centrifugal water pumps come in several different types including standard trash and submersible models. all liquids can be pumped using centrifugal water pumps even those with low viscosity.
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•review different pump types commonly used •understand the difference between centrifugal pumps and positive displacement pumps •understand the working principle of the tuthill