18-10-2016, 12:55 PM
1459658888-PPT.pptx (Size: 766.74 KB / Downloads: 7)
ABSTRACT
A water system includes a CENTRIFUGAL pump operated by pedal power.
The pump set and includes a housing in which a foot pedal and drive shaft rotate an eccentric pin rotating with the drive shaft moves a connecting rod which is turn cause rod to move linearly.
The push rod extends into a pressure tight chamber formed above the rising main. A pump rod connected to the push-rod extends to the conventional plunger through the verified motion.
CENTRIFUGAL PUMP
A centrifugal pump is one of simplest rotating equipment in any process plant .
Centrifugal pump may be single stage 9one (impeller) or multi stage (multiple impeller) and can be horizontal
Higher the delivery / discharge pressure required number of impellers will be needed
In centrifugal pump energy is imparted to the fluid in form of velocity or kinetic energy and which is converted into pressure energy of the fluid is being pumped.
PRINCIPLE OF CENTRIFUGAL PUMP
Liquid enters through the suction nozzle of the pump and then into eye (center) of the impeller .
When the impeller rotates , it spins the liquid in the space between the vanes and throws outward in the volute and provides centrifugal acceleration.
The impeller blades /vanes are of curve shaped the liquid is pushed in a tangential and radial direction by the centrifugal force.
The energy created by the centrifugal force is kinetic energy and proportional to the velocity of at the edge or vane tip of the impeller.
The higher rpm of the impeller or bigger the size of the impeller higher will be the velocity of the liquid and greater kinetic energy.
CONSTRUCTION OF CENTRIFUGAL PUMP
A casing with volute
An impeller (closed vane or open vane)
A shaft
A gland housing with gland packing or mechanical seal assembly
Anti friction bearings
Lantern rings
EXPERIMENTAL PROCEDURE
The first step of making BBCP is the preparation of the stand.
The stand is then connected with the back wheel of the bicycle..
Bicycle considering the wheel and rotor shape the centrifugal pump is connected with the stand by using the nut and bolts.
The suction delivery pipes are then connected to the suction and delivery ports respectively