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Cement Process Overview <br />::r,:. <br />`Lyons Health and Safety Advisory Panel <br />and Southwestern Portland Cement <br />,4 .' <br />°~~~~'~ ~ Quarry 800,000 tons annually <br />- -shale and limestone <br />,: ,.. <br />;;~~ , LL • <br />:.,~ . <br />~~, '~ Rock is crushed and ground to -200 mesh <br /> <br />~,_~.;:~;~ .~,~~ <br />~~~ * `` :FI,ed into <br />.,,;. <br />a Rotary Kiln <br />@ 100 tons/hr <br />'4a r.'~i~l <br /> <br />!~ ~ ' <br />~~ ~ ~~ r.' P - <br />~'~'~y-14"~ft'~,dia <br /> <br />~, <br />x 245 feet <br />~~~'~~'~~~ <br />~r ~.,- . , - <br />;30 to 60 @ 2700 <br />mi n F. <br />~~,; ~ 'Clinker is created, co oled & stored <br />~~~ ` "` ` Clinker is ground into Portland Cement <br /> <br /> <br />`::A:. <br />.11 <br />~,1, ;~. <br />r _ ,~,; .... ,. . <br />'~ Kiln is fueled b <br />• y: <br />:~~ 1 <br />-~,~ <br />'~~ :~~~~~'~` Used motor oil or #6 fuel oil; ended in 9/90 <br />Tires, up to 2.5 tons per hour <br />Coal, up to 11 tons per hour, 1 /3 of fuel <br />Natural gas, 2/3 of fuel <br />,, ;., . <br />,:,;; . <br />~.~ti:;: <br />,.,: <br />3'~.i <br />;ommissloners Meeting <br />,. <br />