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lalbatros

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Re: Cement roller press

You get that by: measuring the flow through the press (M  [kg/s]) measuring the gap between the rollers (e  [m]) ...

Re: Slag Bulk Density

Explain them in reverse order: Let them imagine a cubic meter of granular slag. Ask them to wet this slag with 80 l...

Re: Effects of Excess Primary Air in Kiln Operation

If the total air consumption remains the same (same %O2), the heat consumption will increase a little bit since some...

Re: coal savings

xxxx, You will only be able to use this hot air in the burner. Hot air at 250°C contains about  0.28  GJ/(1000Nm³)...

Re: coal savings

xxxx, It needs 58.5 GJ  to heat 190000 Nm³  from 20°C to 250°C . If your coal heat value is 27 GJ/t , 58.5 GJ repre...

Re: Fan law

Hello Hussaini, This BS-848 example is easy to understand if you notice that the pressure has been kept consta...

Re: Fan law

Hello Hussaini, When I say volume, I really mean volume. You could compare a fan to a bucket elevator. Fillin...

Re: Fan law

The volumetric flow rate is determined by the geometry of the fan and its rotation speed. When temperature increases...

Re: MATERIAL RETENTION TIME IN A BALL MILL & VRM

You could do that by measuring the material flowrate Q[tons/h] through the mill as well as the quantity M[tons] of m...

Re: PLANETARY COOLER SURFACE LOSSES

Chari, A calculation can be attempted using formulas for "radiation view factors". A large database of such formula...

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