When it comes to decanter centrifuges, using the right calculations to determine the system's belt length will help you achieve more precise results.
Here's everything you need to know about belt length calculations.
Centrifuge motor and rotor sheaves
Centrifuges are composed of a rotating assembly driven by an electric motor. The electric motor is mounted on a foundation frame and bolted to the ground.
The rotating assembly entails two main components:
When the centrifuge unit is operated, the primary (main drive) motor turns the outer bowl. Similarly, a secondary motor is connected to the screw conveyor through a cyclo-gearbox. The operation of both motors creates a differential speed between the outer bowl and the screw conveyor. This allows operators to control conveying action inside the rotating assembly.
While the centrifuge unit is running, sludge (or material mixture) is pumped into the unit (assisted by an external pump) through a feed tube. The effect of the centrifugal forces (generated by the bowl and the screw conveyor) causes the solids to move towards the outermost section of the bowl, in result separating the solids from liquids.
The conveying movement (generated by the screw conveyor) contributes to moving the solids towards the steep section of the bowl and ejected through discharge ports.
two pulley systems in centrifuges
Both components, the outer bowl, and screw conveyor are driven by an electric motor. The electric motor drives the components through a belt connected between the motor's sheave and the component's (bowl or conveyor) rotor.
The motor sheave and rotor sheave create a two-pulley system.
Two pulley systems can be found almost everywhere today, from clock mechanisms to construction sites and elevators. Ultimately, these systems are used to transmit torque (or power) across axles to provide mechanical advance.
Belt sizing calculations
Belt sizing may be calculated in situations when the motor sheave, rotor's sheave, and the "center-to-center" distance (between the two) are known.
At Vision Machine, Inc., we pride ourselves on providing our customers with the highest value, lowest total cost of ownership and easiest to operate separation systems available. All proudly made in America at our Spring, TX facility.