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Quality control Question 44

I sent you various mails regarding free lime in clinker. Your response was always very positive. Now I am sending you...

Re: Quality control

Thanks for the extra data. The K 2 O contents between the OPC and SRC are very similar, so again that does not seem t...

Quality control Question 45

Our ball mill is closed circuit. Its design capacity is 70tph, but we can run 85tph. However, we run it now 80tph, ie...

Re: Quality control

To control the residue separately to the Blaine you need to vary the recirculating load of the cement mill. To mainta...

Quality control Question 46

We are having Polysius design ILC six-stage kiln have dimension of 3.8m ID and 64m length. We are firing 100 petcoke ...

Re: Quality control

Unfortunately these problems are regularly reported on kilns burning petroleum coke. The problem is caused by the sul...

Quality control Question 47

We have problem of hard clinker used in cement grinding. This clinker is produced by using 100 per cent pet coke in f...

Re: Quality control

I have looked at the photomicrographs and read your analysis with interest. In order to properly answer your question...

Quality control Question 48

What are the current international standards of MTBF for kilns and mills?

Re: Quality control

There is a difference between mean time between failures and mean time between stops. Best practice for kiln MTBF in ...