| Show I ORE CONCENTRATION TION METHODS USED AT A T GARFIELD t t i I r ri 1 i 1 11 t I II I I I Ii f t tI tI fi i f I rl I I 4 i lit r S iJ oJ J b i 1 a k r 0 o n y t 1 Nt ti j I J L j jo BIRDS BIRD 0 EYE VIEW VI OF Ul H I COPPER COp l ER TITI r ll NEW POWER FOWER PLANT PORTION OF VANNER VA NITER ROOM Itt m 1 1 th hn I nu T 8 I 1 in nut in ny nyI ll N NI v 1 l J u In hll It 1 Luk 1111 v h ht n d t nn n ni appreciate 1 the th Import 1111 i nf if the I h milling v 01 l t where the th oIW or of the Itah I i ih mid and t In in i x s or of are lire brought to in um und iK treatment bt for going gning In to lh th an and Million Millions of dollar dollars have hate been bet n rs during the th past pant ast two years a In providing to tract the mr mc m cont of the th vast t tit 01 I ere reo that arc are to cum come from the Iho th minim mina of the th Old Reliable camp eam over CIvet In Inthe Inthe Inthe the ran rau e The III or tho first Drat II unit Rit of 01 It wag w 11 tt last lut year and d placed in Nt n the Ua dt I Is now ting built and aM will be ready rally a 11 tn In 1008 08 The Boston on II l to erecting a concen coneen concentrating Dating mill nd to 10 tree treat tr t tow tom of 01 ore or dally daily dall and It la I expected that the heo I Art t unit containing Ive Ion of rapacity capacity for the treatment of 50 ton tona each rach will wilt be br ready rady be bey bec c the end cad of f the th present year The Utah Copper company the fret to 10 un ane the construction of 01 a con at t M treating SWO too tea of flit ore every nry day dy and nd In all 11 probability ability when wh the prevent present uncertainty uncertainly Ip lID the til copper market will Mill have pa pad M d dAM AM gad bean transportation facilities will bite heat provided the company will go g a hand 4 with the tb of the th fc d unit Mid and the capacity c Ot III the Ut plant Hp up to tone ton a day dy The accompanying Illustration a general ral view vi of th the mill milt powerhouse power 11 house IIO P and sad a portion of the th r ram In the tate main building with Uh the row ot of vanne U JI COPPER COPER MILL Th mill III trending building proper I box C lead and HI the Ute fume frame la I ot of 0 structural a TIt The aide are corrugated Iron TI rn are concrete cOhere with c are Ife It arranged ared In Jo stepa alop slop Ing Itt downward to Incur imore proper drain draina II a Tile The MI building I la Is well wU by tR OH D I the roof of The d t of ot rolls roll Tureen HU It mill HaUl set net in a broad d al ai Mr 1 C I the w whelo holt length nath of ul the tt Jt 1 which wa h In b clear cliar Ii Ir the travel tt r powerful overhead crane This Thin emit Mlle t been n d AO no that In Inet tf of any au portion of I this heavy ma may out of repair or beM be beg M g It can ts I lifted bod body bodily SIr fly an a t of pl oe 08 and nd a III new on one sub If It Mot Mat twig lane quo ago Renton Kenton In ln IY editor of 01 the h Ting k Hilling J Journal and nd w who ho tala at atthe atIlia atthe the Ilia head had of hi his hla an as a a min ala mining In InS hag ing S and aAd metallurgical e a visited the th pUnt plant and aud he h gives given Ive Iven an n interesting nl description of how theone the theore ore one U Is rec IVed from fm th the thO cars car c of the th Rio Kio RI Western which brings bring It U from trots the th mine 27 21 mil miles cay away down don downto donto to the th UI of reduction and lAnd follows follow It Its trav travels la all the way y down to the in bin from front which the th pro product product product duct IH is I again loaded onto cars car and d dt t t on nn n to the smelter for furth tr The tl on ore I nay NY Mr Ingalls comes come comeIn In on a trick the mill passing our or o r a lie scale and I Is dumped Into Int 11 a long Ion Lila bin on the llio tI top of Which there th are a ath three th railway track This Thin bin In is I a In timber the th sides Id be boy bein bena in Ing na built buill up of flank laid tint Hat 12 In wide at al th bottom and diminishing In b width the top tup In front of this bin err are a r crushing depart depari departments ments of which thre thI are ar two each tach of 1000 tans In dall dally capacity arranged with wit h rop respect rt to th lh male main mill building hu It U I ii aimed to dump d i th ore Olt received r fr 10 the mine hit hits Inte hop hopper hopper per i with the th two tw crushing I Le e HO so 0 lung lu a B athe as the th mill IP I t o hl I e uw tie IHK r l of ofIr ui 1 per Ir fa r day and th Ih the shwaS deliver V In I III tin Mint sem the Ih ore arc ur l 1 bout the 11 i ill 11 v WilY y ears earn will la r nr ass tin th large rs Tin tilt rive ih h Ii I X a I P I II mill I v il iI t u t 1 Ill If i j U I i i iL 1 L hi I tt i 11 H il I f lulu in for ai a ni Inns tonn Ol or rat on i ifor i for foi IH r n There ir a IWo wo i passage M Mn WI n t IMI tr tL Mi to n tar lat dc i t I nil i mi i wen n i i j iIi iv Ii r IH I i I t ll 01 I I 1 1 HM 1 It M port Is i of f tin II Inn hru 10 i 1 5 dl 1111 i n f r rat C Kali n p l all il at Ii h by le i d din till in all Ito Into ih h MI h It Ith to t the h hop rs fr t h It h tile ito hir alii r mi fed fad by h W gm fl It fly X ITH K i It SECTION Bach ai h roar enar ern t fIon ha two tao No o Tj i 7 hUt lat I im gh kI r du ing the ore 0 to I Kinch il deliver l in to two h belt bleb deliver r to Kith 05 Ish the tit overdue nr lle going to 10 two inn I ante net Mt tit Ot Inch Inh mil rolls provided with win tires as a are re all the Ih rolls roll ft the tJ tb o mill Three Them roll mil run nan at lit W 0 rev v per min inti minTh Th Their lr product 05 03 O inch Inh In lM alp U la lifted by a II belt elevator Iva tor which em ers It to u a aeries erl Ni of M belt 1 It conveyor ron fm far distribution Inti In a storage bin of or n ton tons Ia In the of the mill extending the full width of I the latter Between H the Ih elevator and anI n the tb convey conveyor or ors ih le III I a 11 Vesin sampler designed i to out cut ut out 1 J per vent cent at of the theore ow ore a all as a B ample mple but this thin Ibl will nil not tx tM done a au as a regular ular thing the unit of the tilt use ore being nl considered such Mich that th lt i sampling I is unnecessary The th distributing conveyor VY nl are ar no feet ft long Ion bells contained tn h a traveling g frame which IB is I movable In b cither direr Hon Uon while the th belt It c ran an n be tit run either cither way wy The discharge nf of the till nv ne n is III I over he the te end nd of the th conveyor th the tion being effected by the tb movement mont of the th whole apparatus In Inthis thin this way the te use of trippers tripper I Is voided H Prom From the th bin I last M described the Ih ore Is drawn to the U 11 12 of the mill mUt each of 01 which la is a preola prea e duplicate lle of 01 the th other In each the th ore 0 limit to o two 0 ails I of nI inches Inh In tn parallel paraM running Noting nt at TO Ie rev v vIr per Ir mm which Ic h deliver to tn two Iwo nInh I belt bJ elevator which deliver to four covered with steel teel I plate plato with perforations perforation The ThO I ovI over l e from the trammels goes beck back to the th rolls roll while th the go to hydraulic The Till tine line product products of f the n go 80 to the table the tb coarse e and heavy product products go 0 to six lx lit jigs jl The Th nf of th the jigs jig goes PS to la four Wilily table which make a tin fin il concentrate The tailing tailings from the jig ills jl and tables table are re received by n a i tell belt elevator which de dell 4 livers ll r i K to three Chile mill mule The Tb latter I an are a supposed to crush to approximately ills le 1 Their Tb lr product panne to hydraulic and nd thence tn to the Ue lime dime table which are modified John Run eon v miner nn Thee Three have corrugated belts belt It for fur the tbt treatment of the tile coarser and smooth bills beltH bill I for fol the tb liner There are 02 2 vanner per wet lIon Ion or a total of 1101 In the mill mUI DISPOSAL DI OF 01 The Th of concentrates concentrate and end tall J 11 throughout the mill I Is Ia by gravity TIlle Tb Ck concentrates concentrate flow dow to a series aerie of rae rec re masonry m bin below the th mill with overflows overflow for the water and Prom From these thee bin bias theo the he mineral I Is removed moved by u a I crane and nd bucket and loaded directly upon the railway cars car c I only a sketchy account of the he milling preemie p but perhaps it give It II i clearer Idea Icka of the tbt nature of the latter lat lati tN ter i than thun a more mora VI den Would do Apparently UM UN details detail of the then n of the finer inn nta have not yet et been beep fully lull deter determined dt determined mined wherefore It 1 la ii premature to live give a AND EXTRACTION The rust i o t of 01 power pow will be the u largest Ingle RIll In the th of these theo ores ore L The i riel OH t ef rf 1 coal to the Ibe Utah cum com company pany be 1 In lit the neighbor neighborhood neighborhood hood at or IM 1250 60 i ir ton and aM the coat of 1 horsepower IM I pm i annum will be probably bout about MO 1 J 1 hIIe that h It Irma I b the un men mM menI it I I n 4 i ill ii more acre likely to tn be th tha the toa a time one IIII The Tb Boston Beaton company Cr fI i UK Il ur H X 1111 power under a It contra t tI that HiI I has ban h not ut been n but I Is IsI I X leu I ra thun than M per p I hi r eH I w 1 r rIM IM I it t 1 which prie Irl h on Oh onn OhI n l t I ic been m neigh uli M 01 H pi pr p Li i p u a i 1 nil 1111 Ito tiki days du Urk n i ill n the hp i f I I I It to toI I I 0 1 I I Il l i 1 T r tt Tl p r TJI I Ua d dlly ratI i and unil es i 10 in ini I i j i C or o the th trout coal would he be t I Ii tI i nf nr I ii tr I sl q I f Bt hie ore re or were 41 84 I II 1 t 1 i 1 Th The Copper per oar com comI I I i in i v I W In to I be he doing It R for tor 30 II 1 nis nl i t i In i lint but I Is not yet YIt Incurring n r Kill gul i r i i n n on oft account n of f repair patr i 1 1 l i r J i ni 1 ii li the Ih of pow I i r rou n and coy are apiro n tor or n IT U i Is III tab aft tl to a II probable n I II list of m X a ants rot fur forthe the ruh P uh C o M and It cents cent for the u h iti tn n n d The Th in ot the tilt ore ire r 1850 1160 Ir rr r eight hours flour nf of Comm mno letter labor tt 2 ARt Of U TIC 0 Th extraction Ut mineral h hr by th the thet t lab Copper 0 I Ii about IOU t 70 per sent nl In milling or ere 18 n per percent rent cent copper the tailing y in It 11 the ih tit nt of 08 S 1 per r rent cent Tl TI n Il nI m mun ton un Consolidated t estimates t that thu i I IX ex CX I tr tUon will lit he h at le least l 41 r f h r i ant t tAnd mind And e elt expect pe f t to do hett r Ho H nun rani n h hII r It wI will t actually do rear leni u 11 to fit toen h seen left en In m nl nu nn n 18 13 t pw per P tIt copper with per tf r extraction Ute tile concentrate con s on lain till about bout A M per pEl rest eat trapper copper op r th Ih inn ath till tillor of or bang bing Th TIt The rn wt t of r of the t I th the h hm smelter m lter Ii la J 10 cent per 11 ton The Th i Inn nu III C for far smelting arc nr a private Ills I t f r fM the M o ep at Meat h M have ha not ant yet vet r h Men n ed o However In let UK os II at m IC maume mime aume K par tOil tun u 00 per er cent of lOr f the Ili h copper and d freight and n linin charges of 01 11 U and net ro reaps Pr cr ton vt of i rude crude cupper copper The cost i c mi or r f ng then will Hill be Iv Iva a a follow owa Mining MM 2000 pounds ore freight on l 1100 e pounds pound ore or 0 n I Milling Millin 2000 pounds nd en or o ori orind O t nd al e cx pe Freight on IM 10 po portals irate tn melting 10 lot pound 0 Freight t and M 00 pound panda of or erode crude copper sue aiu TotAl It I Is expected that ht the he mill will wm require re require reo quire hi b p or 1 h k p per ton of ore 0 treated A certain In amount of at power I la to be bf transmitted to Ming Bine ham bam for tor operation o at the mine I there Ire I 1 la a large larae surplus for lor unseen con D and future developments development The f current I is generated at ut u t volta volts and nd I is to the mill mm over a line 2100 2 feet fet long Ion sup Hun supported ported by pole of structural steel The substation f at atthe the mill mUi I Is III an absolutely ly proof building between the two tun t n main math crushing houses houe Here the cur eur current current rent nt I la reduced to MO volts volt for fo ue use In lu Inthe luthe Inthe the mill For transmission to Bing ham It step tep pel up to DRIVEN Bi II V MOTOR The driving of th tile the machinery In the mill mUl I la by motors motor which are aft egre segre e gated not nol only according to independent emit ent sections but tut also alao according to b groups group of machine and nd with a high highly ly Iy developed system yU y m tm of clutches operated ed Id by compressed air and a perfect system of electrical control It I Ut ls ha possible to cut cu out any machine Centrifugal Cen Centrifugal pump ore fire employed for the return of the water from Irom the settling Milling Utin tank Above the th mill there I IrlA a holding gallon pilon of 01 water and a little higher up there I bt a mailer smaller reservoir Near the main building betiding I III the Ib tore store house home hou and nd a awell well equipped machine hop chop UTAH COPPER OPPER VB Vs 8 BOHTON O TON CON eON Mr Ingalls iU at visited the Boston Consolidated company plant which I 1 situated jut just a short hort distance wet west Nt of the th Copper lopper Copper company works work H It gli gives n a II detailed description and then than enter Into a comparison of 01 methods method of ore treatment Although the ore ores to 10 tobe tobe be treated at It these then mill t 1 II pr all Identical in character there I Is a marked difference In employed In the tle crushing and treatment of f tin the th ne ore neKi Ki fore filtering entering B a of nf N HU ILA H Mr Mi s I make ak haste h tn to say nay lIa that thit both Ih tills mills IIII hay hll b nn ui nil mil r 1 b Ly lor an II anil all i HIIM 1 l 1111 nt en ii I u I ll II Ii ll i iIi I Ih I Ia l I Ii h m It I h d 1 up Ir v 11 II I Ir r I Bala HUll h nl II I I u I II r rI I J I I nl 1 IL III II c I ll a I e 1 the seine same per pet I II of 01 mineral and th h J Derat cost per r ton of 01 or orI ore I vcr 1 It wi will Ill not nol b be a r between the two tiro radically dB r methods of concentration lot for ruse r which will III be pointed out be below below low 1 and consequently the economic re wilt will sot not differ to the th extent they I 11 t otherwise In the Utah mill attention lIon has h been n nel nit upon the avoidance a of Nary ary y sliming of the th mineral lOin Follow FollowIng log Ing In that Wee Idea Id lt the crushing In Is dune done by b moan mean of rolls and nd lifter r reduction of the ore to a 0 Om coarse nit II U lM th mineral ne te I extracted ext as a tar Mr as a po pot dbl bIe by It means meane of af jigs JI and t to 11 i iMe Me bea 80 No o f far r 1 this tl In Is a go goI i 1 tl rho band nt at I clean M r M 11 irate tr tl te that tat I Is III Mat cut off nil on nn the lr bit bles In is broad and Hi old K and n a l late i If r tit lr the otal latel mineral ral i j it recovered rec db di In III thin this w wi For Moe the tile further grinding I Ite b no ne carry t te Ie liberate th remainder of th mineral mineraI logic would a IlIr to the Ue ue use nf of more roll rII hut but Instead of nr r that tit Chilean mill an err III employed which kh khan are an r MI OIl bad BUmer a as any imy other ether torn nf ot otc c machine a gone food of or of nf product t Ii obtained I by the tb u use i of lit ton rolls to 10 toa toa a pertain point and on H Is I well en taken ml nil nilvia va via of fill the ehu of the fIN pulp vp hi ii M UM ml by bs II th Uw the ue wap of oft th t the Chilean t J n mills mill |
