Copper Smelting Anode Furnaces With Reducing Agent Research And Development Of New Solid

The JNMC company always adopt heavy oil to be a reducer in the process selling repeated copper (The copper selected mine contain C_u 66%～69%,Ni 3．5%～4% and floation from Gao Bing Nickel) selected mine fire refining at reduced prices, adopt heavy oil deoxidation cost of production to flee comparatively in height, and deoxidation process to black smoke rise bringing about environmental pollution. For lowering production costs, improving the school assignment environment, JNMC company and Kunming technique absolute sincerity, the science and technology limited liability company waits to have concluded and signed "copper smelt the system positive electrode stove technological development contract with new model solid reducer" project. The treating studying body raw material, passes taking anthracite coal as base matches for capital mutually, can replace heavy oil completely being used for concise new model of repeated copper selected mine system positive electrode stove solid reducer, cost of production is high from the deoxidation resolving heavy oil fundamentally, restore fleeing in process to black smoke rise bringing about environmental pollution waiting for problem.Purpose studying originally: The reducer and industry studying putting into effect with the project, realizing the new solid by theory apply an index: (1) The heavy oil reducer smeltery copper smelting 75 tons of positive electrode stove is produced realizing new model solid is replaced completely restores; (2) black cigarette gas degree reaches the country effluent standard (<1 degree of Lingeman level); (3) positive electrode board mass reaches the Q/YSJC-ZB09-2000 request; (4) reducers consume <12 kg/t copper positive electrodes board only; (5) Shan stoves deoxidation time no greater than 90 mins.The content studying includes an experiment mainly: (1) positive electrode heat of concise residue contents analyses, the thing looks at and appraises type ascertaining that inspecting and refining the residue residue; (2) choice, moisture content, ash content that new model solid reducer preparation process coal grows, volatilize mark, sulfur contents controlling, additive component, the contents controlling and study, late-model physics specification reducer deoxidation effect analyse; (3) LV automation compensation gushes puff system gushing blowing an experiment; (4) , copper positive electrode board oxygen content and their form analyses; (5) , in deoxidation front and back copper liquid, nickel contents and form analyse.Reach by the fact that analysis studies: (1) , the oxide residue is a high oxide of high Qu₂O of Cu₂O-Cu-(Mg_1．14 Fe_0．34 Ni_0．52 ) SiO₄ force residue type; The deoxidation residue is a high NiO of Cu-NiO-(Mg, Fe)₂SiO₄ height Cu residue type. (2) , The new model solid reducer is middle:Mad≤8%, Ad≤15%, Vd≤18%, Std ≤0．5%, Additive 4～4．5%, Fed≥70%; Black degree of deoxidation process cigarette gas is Lingeman grade first order; The stove furnace hearth is shallow since copper exercises the workshop positive electrode, bring about Shan consumes slightly highly , consumes only for 12～ 18 Kg/t-Cu; Yuan of relative heavy oil deoxidation 96,000 per product 10,000 tons of positive electrode board but economy deoxidation cost. (3) copper oxide-like containing oxygen 0．7～0．9%, positive electrode board contains oxygen 0．1544～0．1945%, reaches positive electrode board mass Q/YSJC-ZB09-200 oxygen content no greater than 0．2%'s request. (4) positive electrode board contains nickel amounts no greater than 1．2%, be NiO there existing middle, not find that in the alloy form in copper liquid and dissolving in copper liquid Cu2O with copper nickel and their his form.