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Liquid handling
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Transcript of Liquid handling
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LIQUID HANDLINGDIFFERRENT TYPES OF PUMPS
PRESENTED BY GROUP B
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Liquid Handling Pumps
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• Dynamic pumps, also called kinetic pumps. In dynamic pumps, energy is added to the fluid continuously through the rotary motion of the blades.This increase in energy is converted to a gain in pressure energy when the liquid is allowed to pass through an increased area.
• Centrifugal pumps
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CENTRIFUGAL PUMP
Used in liquid pumping.A centrifugal pump converts mechanical energy from a
motor to the of moving fluid. A portion of energy goes into kinetic energy of the fluid motion & some into potential energy, represented by fluid pressure or lifting the fluid,
against gravity, to a higher altitude
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Use of centrifugal pumps :
They are generally used where high flow rates and moderate head increases are required.
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Piston Pump
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Plunger Pump
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Screw Pumps
Screw pumps are rotary, positive displacement pumps that can have one or more screws to transfer high or low viscosity fluids along an axis. A classic example of screw pumps is the Archimedes screw pump that is still used in irrigation and agricultural applications. Although progressive cavity pumps can be referred to as a single screw pumps, typically screw pumps have two or more intermeshing screws rotating axially clockwise or counterclockwise. Each screw thread is matched to carry a specific volume of fluid.
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