Show description of the yampa smelter at bingham WRITTEN FOR THE MINING REVIEW BY LEROY A PALMER with the recent entry of the yampa smelter of bingham utah into the custom field another step has been taker taken toward maintaining the supremacy of salt lake valley as a smelting smelling sm elting center the yampa commenced operations a few years ago as a comparatively ively small plant to treat the ores of the yampa mine but has bas gradually grown to it a plant of considerable proportions and one embracing all of the customary methods of modem copper sm smelling elting practice the latest addition being a converter plant which was placed in commission in the summer of 1908 the smelter has a daily capacity of from 1000 1009 to 1200 tons of ore and flux operating three blast and three furnaces it is situated in bingham canyon not far from the mouth and while in some respects chiefly that it has been necessary to build the plant on the steep side of the mountain this location is not the most ert patent manufactured by the trenton iron company of trenton N J is about a mile and a half long and carries buckets buckels holding 1500 pounds each of crude or ore which are dumped by hand every tenth bucket being dumped into a separate bin as a sample this sample is discharged to a three by bigit t oot foot with one inch round holes this is very heavily bucket discharged to a chute from which a vezin sampler takes a one tenth cut so that in the final sample one pound represents each ton of ore sampling is done only on the night shift and in the day the same are used to effect a separation of coarse and fines the coarse going to an inclined conveyor to the bin for the blast furnaces and the fine P 4 ar zat J b ari ar j N 4 A F WA non 4 view of yampa smelter at bingham utah pio photo hj by vill ivill C higgins desirable lesi rable it has the advantage of being in a barren region where there can be no damage done to stock or vegetation and of being so located as to be easily connected with the mine by aerial tramway and these advantages have outweighed the inconvenient typography of the location itself i A mine run sample L the tramway from the mine of bleich constructed the holes being punched in a heavy iron plate encircling four six inch angle irons the coarse and the fine go to separate elevators and the former is discharged to a inch blake crusher and the latter to a with 5 inch holes whose average goes to a set of inch cornish rolls the crushed product is agaid again elevated and every twentieth elevator y means of an elevator to the roaster bins the macdougall roasters boasters Ro asters the latter are on such a level that the ore as unloaded from the hand operated gates is hauled in cars of a capacity of pounds each to the top floor of the roaster building where they are dumped into the macdougall roast ers the roaster buildt building ng consists of three floors with steel frame and corrugated iron sheathing and contains nine eighteen foot macdou mandou gall roasting furnaces each ea ch roaster is in shape an upright cylinder eighteen feet in diameter and twenty feet deep provided with six hearths heart hs over each of which two arms revolve making a complete revolution every fifty six seconds the ore is dumped into the top of the furnaces and the revolving arms spread it out and scrape it over the th hearth earth turning it over so that each particle is exposed to the action of the heat and finally discharging over the edge to the hearth below where the ore works toward and discharges at the center after passing in this way over the six hearths heart hs the sulphur content of the ore has been reduced from 30 to about 5 per cent and is in fit condition for the furnaces coal is used in starting the roast ers but once started the sulphur burns off itself the fumes from each roaster discharge through two 30 inch elbows to a bra brick ck dust chamber 20 feet 8 inches by GO 60 feet terminating in a brick stack 10 feet the dust chamber is provided with brick baffle walls which continually change the current of the fume as it passes through causing the heavier particles which conta n some mineral to deposit in the chamber instead of passing out of the stack 1 i dust collects in large steel hoppers from wh which ch it is discharged to cars run underneath and hauled to the furnaces the accretions which collect on the t 01 furnace yampa smelter photo ty leroy J palmer sides of the ro asters are barred off and crammed to a bin from which they are loaded in with the blast furnace charges A 20 horsepower bullock motor drives the roaster |