生產(chǎn)工藝英文版

1、生產(chǎn)工藝英文版.Pyrometallurgical:Also known as dry smelting, the ore and the necessary additives together in a furnace heated to high temperatures, melting into a liquid to produce the required chemical reactions, thereby separating the crude metal, and then rough metal refining.Hydrometallurgy):Is acid. B

2、ase. Salt water solution, using chemical methods to extract the required metal from ore components, and then use various methods of electrolytic solution Preparation of metal, the main application of this method is difficult in low capacity of taste or slightly powdered ore.Chapter I: Copper Product

3、ion Technologycopper99% Copper: Natural 1 material: raw Coppercontent, but very few reserves.copper oxide: number not more.copper sulfide: the most widely distributed,is the main raw material for copper.Pyrometallurgical: calcination (roasting )melting (smelting) - blowing (blowing) - refining (refi

4、ning)Roasting: Remove some of concentrate sulfur, arsenicand other volatile parts of the impurities.sulfurconcentrate smelting -. 1. Sulfur content is low, get blister copper, sulfur for a long time, the generated matte, copper (40% - 55%), 2. slag material: copper generally 0.4% - 0.5%.Matte a blow

5、ing by blister, copper 95% -98%, residuematerials: containing lead, zinc, lead flue gas. Sulfur. Zn. Blister-a refined by copper concentrate (99% -99.9%), slag: copper higher.Wet Copper: roasting (roasting) - leaching purification (leaching) - Electrolyzation (electrowinning)Sulfide copper concentra

6、te (20% -30 %)- roasting - be soluble in dilute sulfuric acid, copper sulfate, sulfur from flue gas of lead, copper slag containing lead and zinc.Copper sulfate leach purificationpurpose to removeiron, then power integral method, by Ingredients: electric copper: 99.5% -99.95%, slag material: platinu

7、m metal with gold and silver, leadChapter II: lead smelting productionprocessFire refining of lead: lead sulfide concentrate roasting -sintering - a be agglomeration of lead, lead 40% -50%, slag material: lead. Copper., Smoke containing lead and zinc. -Lead Sinter changes into Crude lead through sme

8、lting reduction. lead about 98% .slag (slag): Some Gold and other metals of lead zinc, lead flue gas. - Fire refining of crude lead a be refined lead (99.9%), slag material: Copper: 0.001% - 0.002%, Zn: 0.6% -0.7%.Wet smelting of lead: lead sulfide concentrate roasting a crudeby furnace) (blast Furn

9、ace Blastsulfate lead lead (98%), slag: copper (in the form of ice recovery of copper), zinc (smoke method recovery), blister - electrowinning refinery - get 99.9% of lead concentrates,slag: platinum group metals including gold, silver, copper and zinc.Chapter III: zinc productionprocessFire Zinc: F

10、lashflotationconcentrate.Calcination(flotation.roasting) by main ingredient, zinc oxide, flue gas sulfur, lead. Slag: copper with zinc. Zinc oxide - blast furnace (blast furnace) by Ingredients: Crude zinc, lead flue gas, copper slag compound. Zn,Crude Zinc - Zinc Electrowinning be refined a concent

11、rate, slag: copper not more than 2%, lead is not more than 3%.Hydrometallurgy;Zinc sulfide concentrates - are roasting a Ingredients: Zinc agglomeration, slag material: containing lead, zinc, lead and zinc sulfur from flue gas. - Agglomeration of zincleaching (leaching) of zinc sulfate solution by t

12、he slag material: zinc, lead. - Is purified zinc sulfate solution (refining) emulsion in the lead of copper, zinc sulfate solution - clean-d electrowinning of zinc concentrate (zinc concentrate)Chapter nickelrefinedIV:production technologyFire refining nickel;NiBlast Furnace Sinter Nickel sulfide ro

13、asting aget low ice nickel, the total content of nickel and copper a ice oxide. Low oxide, 8% -25% slag: Nickel. Zinc leadNickel - blowing - Ingredients: high ice nickel, copper and nickel 70% -75%, slag material: nickel. Copper and nickel electrolytic -68%) nickel Run - matte Mill acrude (67% -Nick

14、el concentrate (99.85% - 99.99%) refining a.Wet Lian Ni:Nickel sulfide - pressure acid leaching of nickelsulfate-a a-a crude reduction smelting of nickel -. electrolytic refining - Electric Nickel.Chapter V: lead-zinc productionprocessZinc oxide is the main stone extraction of lead. Zinc metal, one

15、of the important basic raw material-Blast Furnace a ore was enriched ore, slag compound zinc (4.3% - 4.5%), lead (0.82% - 0.84%),Rich ore - furnace blowing smoke -. Java compound zinc (1.0% -1.5%), lead (0.1% - 0.15%). Ingredients: zinc oxide dust lead concentrate-a germaniumChapter VI: brass factor

16、y production processBrass is composed of copper and zinc alloy. If it is only copper and zinc on the composition of the brass calledordinary brass. If two or more from a variety of elements called special brass alloy. As the lead, tin, manganese, nickel, lead, iron, silicon copper alloy composed of Pyrometallurgical copper is usually a few percent or the first few thousandths of the original ore, by dressing up to 20-30%, as copper concentrate, in the smelting furnace, reverberatory furnace, stove or furnace to create Flash matte smeltin