Zinc Concentrate Mining
The mining of zinc concentrate by lead and zinc or zinc ore by crushing, milling and froth flotation process to produce up to standard amount of zinc ore.
Zinc in zinc concentrate is a commonly used non-ferrous metals, ancient copper, tin, lead, gold, silver, mercury, zinc and other nonferrous metals extracted the latest of a blue-white zinc metal, hardness 2.0m.p. 419.5 ° C, boiling point of 911 ° C, heated to 100 ~ 150 ℃, with good pressure resistance, after rolling gravity 7.19. The use of zinc alloy with a variety of non-ferrous metals, the most important of which is composed of zinc and copper, tin, lead, brass, etc., can also be composed of die-cast aluminum, magnesium, copper alloy. The main use of zinc for iron and steel, metallurgy, machinery, electrical, chemical, light industry, military, and pharmaceutical fields. The use of zinc concentrate as the main raw material for the production of zinc metal, zinc compounds.
The taste of lead ore mined lead and zinc for the mining of zinc concentrates are generally lower than 3%, less than 10% zinc content. Small and medium-sized lead-zinc ore lead and zinc selected taste an average of about 2.7% and 6%, the large bonanza can reach 3% and 10%. To underground mining, the mining of lead and zinc mining for zinc concentrates mainly minority mine open pit mining or open-pit mining first, after underground mining. Underground mining is mining depth of 300 ~ 800m. Lead and zinc ore subject to crushing, beneficiation of lead concentrates.
Zinc Concentrate Processing Plant
The zinc concentrates exploitation costs include mining, mineral processing, ore transportation, business management, cost-sharing and other. Mining costs depending on pioneering way (adits, shafts), various mining methods, the displacement size vary. Mining cost by ore mud degree mineral grain, pharmaceutical consumption tailings transport distance and other factors.The calculation of the cost of each metal tons of lead-zinc mining, mining dilution rate and mineral recovery and ore taste different cost.
According to the different types of ore, zinc concentrates mining often choose different mining methods. The sulfide ores commonly used flotation method. Oxidized ore flotation or re-election, flotation beneficiation joint, or the calcined sulfide flotation, or re-election after sulfuric acid treatment flotation. Lead-zinc ore containing metal, usually using magnetic – floating – floating, heavy – magnetic – floating joint beneficiation method. Production of zinc concentrate, lead concentrate composition is generally: 40-75% of lead, zinc, 1-10%, 16-20% sulfur, also often contain silver, copper, bismuth symbiotic metal; become generally zinc zinc concentrates about 50%, the sulfur is around 30%, 5-14% iron, also contain small amounts of lead, cadmium, copper, and precious metals.
Jaw crusher used for zinc concentrate processing in Bulgaria
In general, zinc does not bio-magnify through food chains The zinc concentrate ore is blasted, loaded and transported to the mobile primary jaw crushing and screening mines . Then the zinc concentrate ore is crushed and screened, In this primary crusher, the ore is broken into smaller pieces of less than 25 mm in diameter. Crushed ore is then loaded on to a conveyor belt which takes it to the secondary crushing equipment broke to the suitable size and then belt to the storage according to your need, you can continue crushing it or grinding it to a fine powder by C&M Mining Machinery machines.
Ore into the crusher of PE series.PE series jaw crusher confidential except zinc, lead, copper and silver ore mining process to extract the main ore stripping.With a sturdy design, PE series jaw crusher can be easily broken the texture of the hardest rock years broken more than one million tons.The Bulgaria zinc mine manager Mr. Jan Kläre, said, “We are very satisfied with the high reliability of the PE series jaw crusher. Because it requires very little maintenance can achieve normal running time and good stability andguarantee in the waves, crushing and grinding feed continuity.
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