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Task:
to estimate how much money will be saved if the InCem grinding aid is used instead of triethanolamine (TEA), rubles per year.
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Condition:
one 3.2 x 15 m ball and tube mill producing 52 tons/hour of CEM I 42.5 N using TEA.
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Note:
the TEA and InCem grinding aids prices are conditional
| Name of Indicator | TEA | InCem |
|---|---|---|
| Product consumption, g/t of cement | 140 | 250 |
| Product price (including delivery), exclusive of VAT, rubles/t | 10 000 | 5 800 |
| Costs for the product, rubles/t of cement | 1,40 | 1,45 |
| Specific electric power consumption for production of CEM I 42.5 N, W*h/t | 34 | 31 |
| Costs for the product with energy saving, rubles/t | 1,40 | -5,48 |
| Average milling capacity, t/h | 52,00 | 57,00 |
| Production resource (equipment utilization rate 0.60), h/year | 5 256,00 | 5 256,00 |
| Production of the CEM I 42.5 N cement with the set average capacity, t/year | 273 312,00 | 299 592,00 |
| Product demand, t/year | 38,26 | 74,90 |
| Product costs, rubles/year | 382 636,80 | 434 408,40 |
| Amount of electric power saving, rubles/year | 2 076 172,56 | |
| Cost saving in the event the InCem grinding aid is used instead of TEA, rubles/year | 2 024 400,96 |
