## Power Consumption while Mill is Empty Solution

STEP 0: Pre-Calculation Summary
Formula Used
Power Consumption While Mill is Empty = Power Consumption by Mill While Crushing-Power Consumption for Crushing Only
Po = Pl-Pc
This formula uses 3 Variables
Variables Used
Power Consumption While Mill is Empty - (Measured in Watt) - Power Consumption While Mill is Empty is the calculation of power losses associated with the mill of interest.
Power Consumption by Mill While Crushing - (Measured in Watt) - Power Consumption by Mill While Crushing is the power consumed by the mill, it includes both the power that is used to crush the particles and the net of all power losses.
Power Consumption for Crushing Only - (Measured in Watt) - Power Consumption for Crushing Only is the actually power that is consumed by the mill for crushing ,excluding the power lost on anything else than crushing.
STEP 1: Convert Input(s) to Base Unit
Power Consumption by Mill While Crushing: 45 Watt --> 45 Watt No Conversion Required
Power Consumption for Crushing Only: 41 Watt --> 41 Watt No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Po = Pl-Pc --> 45-41
Evaluating ... ...
Po = 4
STEP 3: Convert Result to Output's Unit
4 Watt --> No Conversion Required
4 Watt <-- Power Consumption While Mill is Empty
(Calculation completed in 00.004 seconds)
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## < 19 Important Formulas in Size Reduction Laws Calculators

Half of Gaps between Rolls
Half of Gap between Rolls = ((cos(Half Angle of Nip))*(Radius of Feed+Radius of Crushing Rolls))-Radius of Crushing Rolls
Area of Product given Crushing Efficiency
Area of Product = ((Crushing Efficiency*Energy Absorbed by Material)/(Surface Energy per Unit Area*Length))+Area of Feed
Radius of Feed in Smooth Roll Crusher
Radius of Feed = (Radius of Crushing Rolls+Half of Gap between Rolls)/cos(Half Angle of Nip)-Radius of Crushing Rolls
Critical Speed of Conical Ball Mill
Critical Speed of Conical Ball Mill = 1/(2*pi)*sqrt( [g]/(Radius of Ball Mill-Radius of Ball))
Area of Feed given Crushing Efficiency
Area of Feed = Area of Product-((Crushing Efficiency*Energy Absorbed By Unit Mass Of Feed)/(Surface Energy per Unit Area))
Projected Area of Solid Body
Projected Area of Solid Particle Body = 2*(Drag Force)/(Drag Coefficient*Density of Liquid*(Velocity of Liquid)^(2))
Energy Absorbed by Material while Crushing
Energy Absorbed by Material = (Surface Energy per Unit Area*(Area of Product-Area of Feed))/(Crushing Efficiency)
Crushing Efficiency
Crushing Efficiency = (Surface Energy per Unit Area*(Area of Product-Area of Feed))/Energy Absorbed by Material
Radius of Ball Mill = ([g]/(2*pi*Critical Speed of Conical Ball Mill)^2)+Radius of Ball
Terminal Settling Velocity of Single Particle
Terminal Velocity of Single Particle = Settling Velocity of Group of Particles/(Void fraction)^Richardsonb Zaki Index
Power Consumption while Mill is Empty
Power Consumption While Mill is Empty = Power Consumption by Mill While Crushing-Power Consumption for Crushing Only
Power Consumption for Crushing only
Power Consumption for Crushing Only = Power Consumption by Mill While Crushing-Power Consumption While Mill is Empty
Mechanical Efficiency given Energy fed to System
Mechanical Efficiency in Terms of Energy Fed = Energy Absorbed By Unit Mass Of Feed/Energy Fed to Machine
Radius of Crushing Rolls = (Maximum Diameter of Particle Nipped by Rolls-Half of Gap between Rolls)/0.04
Maximum Diameter of Particle Nipped by Rolls
Maximum Diameter of Particle Nipped by Rolls = 0.04*Radius of Crushing Rolls+Half of Gap between Rolls
Work required for Reduction of Particles
Work Required for Reduction of Particles = Power Required by Machine/Feed Rate to Machine
Product Diameter Based on Reduction Ratio
Product Diameter = Feed Diameter/Reduction Ratio
Feed Diameter based on Reduction Law
Feed Diameter = Reduction Ratio*Product Diameter
Reduction Ratio
Reduction Ratio = Feed Diameter/Product Diameter

## Power Consumption while Mill is Empty Formula

Power Consumption While Mill is Empty = Power Consumption by Mill While Crushing-Power Consumption for Crushing Only
Po = Pl-Pc

## How does a Hammer Mill work?

Hammer mills use a central rotating shaft, with several 'hammers' attached to the pivots on the shaft. When the shaft turns, the hammers are swung via rotational energy, which causes them to collide with the material and break it into smaller particles.

## What is Bulk Material handling?

Bulk material handling is an engineering field that is centered on the design of equipment used for the handling of dry materials. Bulk materials are those dry materials which are powdery, granular or lumpy in nature, and are stored in heaps.

## How to Calculate Power Consumption while Mill is Empty?

Power Consumption while Mill is Empty calculator uses Power Consumption While Mill is Empty = Power Consumption by Mill While Crushing-Power Consumption for Crushing Only to calculate the Power Consumption While Mill is Empty, The Power Consumption while Mill is Empty is defined as the difference in the power consumption of mill while only crushing and power consumption of Mill while crushing. Power Consumption While Mill is Empty is denoted by Po symbol.

How to calculate Power Consumption while Mill is Empty using this online calculator? To use this online calculator for Power Consumption while Mill is Empty, enter Power Consumption by Mill While Crushing (Pl) & Power Consumption for Crushing Only (Pc) and hit the calculate button. Here is how the Power Consumption while Mill is Empty calculation can be explained with given input values -> 4 = 45-41.

### FAQ

What is Power Consumption while Mill is Empty?
The Power Consumption while Mill is Empty is defined as the difference in the power consumption of mill while only crushing and power consumption of Mill while crushing and is represented as Po = Pl-Pc or Power Consumption While Mill is Empty = Power Consumption by Mill While Crushing-Power Consumption for Crushing Only. Power Consumption by Mill While Crushing is the power consumed by the mill, it includes both the power that is used to crush the particles and the net of all power losses & Power Consumption for Crushing Only is the actually power that is consumed by the mill for crushing ,excluding the power lost on anything else than crushing.
How to calculate Power Consumption while Mill is Empty?
The Power Consumption while Mill is Empty is defined as the difference in the power consumption of mill while only crushing and power consumption of Mill while crushing is calculated using Power Consumption While Mill is Empty = Power Consumption by Mill While Crushing-Power Consumption for Crushing Only. To calculate Power Consumption while Mill is Empty, you need Power Consumption by Mill While Crushing (Pl) & Power Consumption for Crushing Only (Pc). With our tool, you need to enter the respective value for Power Consumption by Mill While Crushing & Power Consumption for Crushing Only and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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