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Fuels Question 4

We operate two fine coal bin of cap. 200 tons each. Due to coal fluctuation we have provided compressed air at 2kg pr...

Re: Fuels

I would not use air or gas of any kind to agitate the coal in the fine coalbins. I suggest using acoustic cleaners an...

Fuels Question 5

Recently we have successfully commissioned our project of conversion to coal from furnace oil. We have imported the c...

Re: Fuels

I expect that you will see an increase in output and slight reduction unit thermal energy consumption when burning co...

Fuels Question 6

What is the criteria for petcoke grinding? When I can "stop" petcoke grinding?

Re: Fuels

The criteria for petcoke grinding should be the residue on a 90 micron sieve. You need to find the optimum by conduct...

Fuels Question 7

Our government is starting to limit NO x emissions from cement kilns and the regulation, as I heard, was more severe...

Re: Fuels

The NO x emissions arise from two sources: (i) the nitrogen in the fuel as you say, and (ii) "thermal" NO x from th...

Dust control Question 7

Do you think that pre-dedusting in a raw mill circuit by means of cyclone with a separation efficiency of 91-93 will ...

Re: Dust control

I cannot foresee that reduces the load of dust entering a filter will have any detrimental effect on its performance....