Re: Efficiency Of Ball Mills Vs. Roller Mills
The answer is a litle bit complex. The specific grinding power consumption for the tube mill for cement grinding can vary a lot.
A brief list of factors that influence both the mill production and the power consumption can be listed:
- grinding circuit (open or close)
- type of cement
- clinker composition (C2S:C3S) ratio
- clinker temperature
- percentage of clinker with grain size lower than 2 mm
- If slag or other additives are used
- grinding fineness of the cement
- if operate in closed circuit - what is the type of separator
- cement collecting system
- tube mills internal equipment (proper designed diaphragm and linings)
- tube mill driving system.
- cement collecting system
For a proper designed cement grinding department with tube mill, the department specific power consumption for producing OPC at 3200 Blaine can be 38-45 kWh/t
For vertical mill - 35-42 KWh/t
The main aplication for vertical mills for cement grinding was considered as a pregrinding unit for large capacities ■
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Re: Efficiency Of Ball Mills Vs. Roller Mills
It depends, I give the power consumption range as below:
Power consumption for ball mill: 20 - 450 KW
Power consumption for roller mill: 20 - 75 KW
Following link for your reference.
href="http://www.sbmchina.com/products/Grinding/ballmill.html" target="blank">http://www.sbmchina.com/products/Gri...ballmill.html
href="http://www.sbmchina.com/products/Grinding/highmill.html" target="blank">http://www.sbmchina.com/products/Gri...highmill.html
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Re: Efficiency Of Ball Mills Vs. Roller Mills
Dear Shibang:
Approximate values at 3000 Blaine are
Ball mill 26 kWh/t
Roller mill 17 kWh/t
Roll press 13 kWh/t
Eberhard Neumann
www.koppernusa.com ■
Untitled
for the same production rate what is the power consumed in these mills ? ■
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Efficiency of ball mills vs. roller mills
I would like to know if anybody knows the power consuption in KW per ton of a ball mill milling cement clinker at a feed of 1" minus in order to produce Portland Cement. I would also like to get the same info for a roller mill. ■