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Refractories Question 8

We need to know the distribution temperature on preheater kiln - in-line calciner - double string - four-stages cyclo...

Re: Refractories

The shell temperature profile varies with the kiln process (precalciner, preheater, long dry, wet etc.), type of refr...

Refractories Question 9

What is the optimal forced air flow on the kiln shell? How does this impact on the refractory life? What is the inter...

Re: Refractories

I would say the optimum forced air flow on the kiln shell is zero. The higher the air flow then the higher is the los...

Refractories Question 10

We carry out refractory work with screw jacks, maximum 10m lining at a time (ie 5m maximum simultaneously at two diff...

Re: Refractories

I would recommend using the glueing method rather than screw jacks and then you can replace as long a section as you ...

Shaft kilns Question 1

I used to be in Africa and was involved in helping a local factory with a production of 1000tpd. However in my opinio...

Re: Shaft kilns

The cheapest option to set up a cement factory in Africa would probably to use shaft kiln technology. However it depe...

Shaft kilns Question 2

The NCB (National Council for Cement & Building Materials) in India publishes a number of Technology Digests, Monogra...

Raw milling Question 1

Our facility operates two Humboldt air-swept ball mills for raw meal production. Combined capacity is 100tph. We woul...