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Re: Quality control

1. The percent fly ash addition depends on the cement standards in your country and also on the expectations of your ...

Re: Quality control

I presume you are using X-ray diffraction to determine the free lime but the problem is that the calibration drifts w...

Re: Quality control

The principle of axial testing is to crash stop the mill, then go inside and take samples at 1m intervals along the a...

Quality control Question 6

There are two kinds of alkalis contained in clinker-soluble and insoluble alkalis. Please explain about the formation...

Re: Quality control

Alkalis in clinker will preferentially combine with chloride and sulphate, the alkali chloride and sulphate formed is...

Quality control Question 7

We determinate free lime by X-ray, but when we make a program to determinate it. This program has a life period about...

Re: Quality control

It sounds to me that you must have combustion problems. I recommend that you should contact specialists and pay for a...

Re: Quality control

The kiln feed normally contains the dust from the precipitator in addition to the raw meal and therefore the two samp...

Quality control Question 9

We have a problem in determining which residue is correct, either the raw meal or the kiln feed. In fact we do get ab...

Quality control Question 10

We have got two sulphate resistant cement types (CEM I and a CEM II using fly ash), and our clinker has got: C 3 S: 5...

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