Design and Construction of an Induction Furnace
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Posts: 5,361
Joined: Feb 2011
#1
02-03-2011, 04:38 PM


PRESENTED BY:
MG THANT ZIN WIN


.ppt   000 Pump Design Seminar.ppt (Size: 421.5 KB / Downloads: 149)
Objective
• To study the useful factors when selecting a pump for cooling system of Induction Furnace.
Parameters Involved in Pump Selection
• The nature of the liquid to be pumped
• The required capacity (volume flow rate)
• The conditions on the suction (inlet) side of the pump
• The conditions on the discharge (outlet) side of the pump
• The total head on the pump
• The type of system to which the pump is delivering the fluid
• The type of power source
• Space, weight, and position limitations
• Environmental conditions
• Cost of pump purchase and installation
• Cost of pump operation
After pump selection, the following items must be specified:
• Type of pump and manufacturer
• Size of pump
• Size of suction connection and type
• Size and type of discharge connection
• Speed of operation
• Specifications for driver
• Coupling type, manufacturer, and model number
• Mounting details
• Special materials and accessories required, if any
• Shaft seal design and seal materials
Classification of Types of Pumps
• Affinity laws of Centrifugal Pump
• When speed varies,
Net Positive Suction Head
Conclusion

• Most centrifugal pumps can be operated at different speeds to obtain varying capacities.
• It is important to know capacity, head, and power vary when speed or impeller diameter is varied.
• It is need to be satisfy high NPSH available sufficiently.
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