Show BEST CEMENT ALL UTAH ti t XA A last loosens tons of cement material union portland Por fland cement plant 1 za I 1 devil s slide utah V ZI M 70 iw by FRED H RICHA richardson j NB hundred percent utah ione I 1 I 1 describes the portland cement industry in this state all ali of the raw materials used all the coal consumed and oil all the electrical energy employed in the manufacture of the tha cement are of utah origin about la ii invested la in punts plants and equipment here and at capacity some barrels can be turned tamed out dally daily portland Is not a special brand of cement but a term as inclusive as a irish applied to potatoes or sterling to silver the name designate sigu atea a process rather than a variety the process involves proper mixing crushing line flue grinding and intense heat in the mix are limestone marl shale clay blast furnace slag and gypsum one does not have to go abroad tor for any ot of them nor tor for fuel or power he does not even have to send outside tor for the powder with which to blast the rock that too Is made inada in utah cement that would harden under water was nude made by the romans and carthaginians the art was rediscovered la in england in 1824 and developed in the united states in the tha utah was waa the second state west ot of the mississippi river to to pr practice it the first being california in 1890 the utah portland cement co built a plant in salt lake city which tor for three years made natural cement on a small scale and experimented with portland cement laque lagus campbell took the plant over in 1893 and installed a kiln ot of the danish ring oven type commercial production was not attained until la in 1895 when richardson an englishman financed a small domo dome kiln and actually made satisfactory portland cement ch clinker aker the hard bard globules glo bules resulting from heating beating the raw cement mixture all lure to incipient fusion was burned ground on a set of old fashioned flour mill burrs and sold in 1692 the Eng english lIsit interests bought out lague sc campbell and built a new plant they produced from 40 to so EO barrels a day of fairly good portland cement in the spring of 1898 the plant of the tha utah portland cement co was swept by fire it was rebuilt by the english owners with a 40 foot kiln and electrical power they found a market for about barrels a day extending from great falls on the north to san francisco on the west and denver on the east easl the plant was completely remodeled and brought to a capacity of 1000 barrels a day in 1310 1910 it was taken over by the present owners in 1916 2915 and tu in 1925 6 changed from a dry to a wet process plant now it has two kilns kalns feet long and a 11 producing capacity of about 1500 barrels a day the union portland Po rllAnd cement co constructed a plant ta in weber canyon at devils slide in 1906 with four kilns kalns it produces about 2000 barrels ot of red devil cement a day employs an average of 0 men and owns a town with dwellings water system general store drug store hotel clubhouse recreation grounds and sewers sewer mountains ot of limestone and shale slope to within a few yards ot at the tha plant six and one halt half miles northwest of brigham city a cement plant was built in 1910 by tho the utah idaho cement co capacity was increased in 1917 by toe the addition ot at a third kiln to 1300 barrels a day later latar the buildings were partly das destroyed troyed by fire and they have not been bea rebuilt in the manufacture ot of cement the rocks are blasted loose in the tha quarry power shovels load them on dump cars tor for transportation to the mill where huge gyratory law crushers reduce lumps ot of piano size to fragments secondary So condry crushers break the pieces still smaller grinding Is often done la in ball or tube mills the former are ara armor plated cylinders halt filled with tons of 0 steel balls As the cylinder revolves the balls roll over and over reducing the material to a fine powder before final grinding the material Is exactly proportioned Auto automatic matia scales sealed and locked by the th plant chemist measure the tha proper arper amount of each ingredient in the tha fine grinding machines a thorough mixing takes place and tho properly proportioned power goes to the kilns kalns the kilns kalns are steel jacketed cylinders lined with firo fire brick resting on their sides at a sli slight bt angle from the horizontal heavy gears rotate the kilns kalns which operate on the blow torch principle nearly halt a ton ot of coal Is consumed tor for each ton ot of cement produced temperature pera ture mounts to 2500 or degrees after several hours the tha clinker about the size of marbles and glass hard bard goes to piles to cool and await final grinding during this second grinding process gypsum Is deded i to regulate the tha setting time burning produces the chemical hango chao which makes the material so 10 valuable ablo tor for the construction ot of highways streets sidewalks pub lie lc and private buildings dams irrigation and water supply systems septic tanks sewer systems reservoirs swimming pools tennia courts dance floors and a thousand other purposes beside creating direct employment tor for hundreds ot of men the th portland cement industry gives work to many more in mining coal ind and cement materials in making explosives and in the transportation ot of materials to the mill and the he product to the consumers it not lot only keeps large sums at home but ut brings much money from abroad to bettor the financial anan elal condition of the state |