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Re: Quality control

C 3 S is the mineral providing the early strength of the cement. If it rises the one-, two-, three- and seven-day str...

Quality control Question 5

I recently had a new driveway poured and we have encountered a "blistering/popping" problem in several areas of the c...

Re: Quality control

This problem is a bit out of the ordinary nowadays, although it seems to have concerned people a century or so ago, w...

Re: Preblending (stacking and reclaiming)

I do not believe a stacker/reclaimer should be necessary in your situation. With a good software system proportioning...

Precalciners Question 1

I work at a plant 4500tpd, based on FLS design, with a five-stage preheater and precalciner, Our problem is repeated ...

Re: Precalciners

From the information you have sent there seem to be two problems, (i) the SO 3 /Alkali ratio between 1.45 and 1.7 is ...

Precalciners Question 2

We wish to know about oxygen enrichment in the cement kilns/precalciners. Please brief us about the expected merits a...

Re: Precalciners

This is a big question! The merit is that the output of the kiln can be boosted by up to 15 per cent, the demerit is ...

Precalciners Question 3

Thanks for your reesponse on our cracking problems. We have ordered a new cone and in the mean time we have welded th...

Re: Precalciners

The main reasons why these cracks occur are due to the high stresses that the mill end castings are subjected to and ...