NOx Emissions from Cement Mfg - US Environmental Protection ...
NOx Emissions from Cement Mfg - US Environmental Protection ...
NOx Emissions from Cement Mfg - US Environmental Protection ...
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
TABLE 6-7. ANNUALIZED COSTS FOR RETROFIT LOW NO x BURNERS<br />
IN AN EXISTING DIRECT-FIRED KILN<br />
Total annualized<br />
costs ($/yr)<br />
Capital<br />
recovery ($/yr)<br />
Taxes<br />
insurance<br />
admin. ($/yr)<br />
Maintenance<br />
and<br />
overhead<br />
costs ($/yr)<br />
Operating<br />
labor<br />
costs<br />
($/yr)<br />
Heat<br />
duty<br />
(MM<br />
Btu/<br />
hr)<br />
Kiln<br />
capacity<br />
(tons<br />
clinker/hr)<br />
Kiln<br />
type<br />
Model<br />
no.<br />
30 180 30,400 48,700 65,400 215,000 329,000<br />
1 Long<br />
wet<br />
50 300 30,400 48,700 87,300 287,000 423,000<br />
2 Long<br />
wet<br />
25 113 30,400 48,700 50,900 167,000 267,000<br />
3 Long<br />
dry<br />
6-26<br />
40 180 30,400 48,700 65,400 215,000 329,000<br />
4 Long<br />
dry<br />
40 152 30,400 48,700 59,700 196,000 305,000<br />
5 Preheater<br />
70 266 30,400 48,700 81,400 268,000 398,000<br />
6 Preheater<br />
100 330 30,400 48,700 69,000 227,000 344,000<br />
7 Precalciner<br />
150 495 30,400 48,700 86,800 285,000 421,000<br />
8 Precalciner