USRE3807E - Improvement in furnaces for roasting and treating ores - Google Patents
Improvement in furnaces for roasting and treating ores Download PDFInfo
- Publication number
- USRE3807E USRE3807E US RE3807 E USRE3807 E US RE3807E
- Authority
- US
- United States
- Prior art keywords
- shaft
- ore
- roasting
- furnaces
- improvement
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 238000005660 chlorination reaction Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000005267 amalgamation Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 240000001178 Ficus deltoidea Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000979 retarding Effects 0.000 description 1
Images
Definitions
- My invention is intended to provide an improved furnace for chloridizing silver-ores preparatory to amalgamation.
- This furnace is constructed with a shaft, the fall of the ore through which is retarded by the upward motion of the heated air and chloridizinggases combined with a fire-place, opening into a canal4l below the flue.
- Ane at the top of the shaft allows the gases to pass into a series of dust-chambers, connected with a chimney.
- B represents the perpendicular shaft of the furnace, covered at the top with the iron plate E, through the slits a a a, in which the pulp or pulverized ore and salt are continuously fed by rollers.
- C is the fire-place, nearthe lower end of the shaft, from which the flame and gases pass up the shaft B, and through lthe flue D and H', into the dustchambers I I.
- J is the small fire-place, at the upper end of the shaft, opening below the tlue D, into its continuation H', which may be constructed
- the ore is chloridized which is too fme and light to fall down the shaft B.
- the ore is fed, in continuous streams, through the slits a a a in the iron plate E.
- the roasted ore is allowed to accumulate in the bottom of the shaft nearly up to the fire-bridge of the fire-place G. This is very important, as a great amount of chlorine, h vdrochlorine acid, and volatile chlorides emanates from the charge, and acts upon the falling ore in the shaft. If the ore accumulates too much, a. part is discharged through the doorm, but so as to allow no cold air to enter the shaft.
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