تعتبر شركة Olux شركة رائدة ومتميزة على المستوى الدولي في مجال البحث والتطوير وتصنيع وبيع محطات التكسير والغربلة واسعة النطاق ومعدات الطحن الصناعية ومصانع الاستفادة.
(4) reduction melting：The high antimony lead slag of liquid in step (3) enters oxygen-enriched reduction furnace by slag chute stream, and to carry out reduction molten Refining, the volumetric concentration of the oxygen-enriched air in wherein oxygen-enriched reduction furnace are 88～92%, the pressure in oxygen-enriched reduction furnace ...
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In the process, high-grade stibnite is concentrated by blast furnace volatilization smelting to obtain high purity antimony xide, then the collected antimony oxide powder is …
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This is mostly the volatilization smelting (roasting) – reduction smelting. Antimony sulfide is susceptible to volatilization and oxidation, so it can be used to produce crude antimony xide at a temperature above 1,200 °C. ... A small volume of antimony matte is also generated and flows together with antimony metal via the furnace base ...
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The roasted ore, still containing Sb 2 S 3, is then slowly cooled under oxygen exclusion before undergoing reduction or iron precipitation in open-hearth furnaces. Modern roasting furnaces commonly employ rotary kilns. These kilns can achieve antimony xide yields of 95 – 98% with high throughput, independent of the ore's nature.
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• Reduction Furnace Baghouse Filters (RIN 5) • Reduction Furnace Slag (Sb < 5%) (RIN 3) • Reduction Furnace Slag (5% < Sb < 10%) (RIN 3) The following is a list of QA/QC samples collected at the U.S. Antimony Corporation facility: • MS/MSD • Field Duplicate • Equipment Blank • Temperature Blank 1.C Sample Collection
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To wash the hearth, 60-190 tons of welding slag are introduced through the top of the furnace (60 tons for 1361-m 3 furnaces, 73 tons for 1386-m 3 furnaces, 86 tons for 1719-m 3 furnaces, 121 tons ...
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Blast furnace volatilization—reduction smelting is currently the most commonly used method for treatment of concentrates; capable of smelting a wide range of antimony …
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Reduction roasting has been widely used to obtain antimony in recent decades [6–11]. However, the performance of this production method is barely satisfactory due to the high energy consumption and low production efficiency [9]. ... (Sb2O3) in a blast furnace, and then Sb2O3 is reduced to antimony metal in a reverberatory furnace (Hua et al ...
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the ore and would permit possible recovery of antimony from the furnace calcine. Similar treatment is reported tp have been employed successfully on livingstonite ... preliminary studies were made of mineral dressing, furnace reduction, and hydrometallurgical treatments. The presentation of data and the dis-cussion of results from each type of ...
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The utility model relates to the technical field of blast furnaces and discloses an antimony lead semi-reduction semi-volatilization smelting blast furnace which comprises a bottom plate and a blast furnace body, wherein the blast furnace body is fixedly arranged on the upper surface of the bottom plate, a feed inlet is formed in the upper surface of the blast furnace body, a storage bin …
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of antimony metallurgy at present.6 The pyromet-allurgy antimony smelting process involves the blast furnace volatilization smelting-reverberatory furnace reduction smelting process, but its special operating conditions make this process have high coking rate, high energy consumption, short furnace age, and high flue gas temperature.7 Owing to the
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The antimony ore mainly occurs as jamesonite (4PbS·FeS·3Sb 2 S 3). The process of sinter + blast furnace reduction—reverberatory refining—is utilized for metal antimony smelting. With regard to such process, amounts of smelting slag are produced during blast furnace reduction.
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The invention relates to a side-blown furnace reduction smelting technology for lead anode mud. The technology comprises the following steps: (1) the lead anode mud, return materials and nut coke are grabbed into a proportioning bin in proportion by using a grab-bucket traveling crane, are uniformly mixed, then are grabbed in a metering material bin by using the grab-bucket traveling …
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DOI: 10.1016/j.seppur.2024.129515 Corpus ID: 272452749; The mechanism study and low-carbon analysis of biomass pyrolysis enhanced antimony oxide reduction @article{Tan2024TheMS, title={The mechanism study and low-carbon analysis of biomass pyrolysis enhanced antimony oxide reduction}, author={Renjie Tan and Jia Yang and Dachun Liu and Bao-zhong Ma and …
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C. Reduction furnaces, for the reducing of the xide or tetroxide, or for the direct smelting of crude or rich ore, to regulus. Fig. 7 shows a type of …
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antimony metallurgical enterprises to achieve energy savings and cost reductions. To conduct a more in-depth study of microwave carbothermal reduction, the relationship between the parameters of carbothermal reduction and the reduction yield of antimony ingots under a microwave field was established using the response surface method (RSM). The
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An FeO-SiO2-CaO-Na2O quaternary slag with low melting point was developed for the bath-smelting reduction of Sb2O3. First, the optimum composition of the designed slag was determined through ...
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Metallic antimony (of purity 99.4%) is obtained by reduction of the antimony oxide (collected in the dust collector) in a reverberatory furnace operating at 1200 O C under reducing conditions. Any accompanying arsenic is removed, in the reverberatory furnace, by the addition of NaOH to obtain the AAR.
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Here, we propose a clean one-step microwave carbothermic reduction process for direct reduction of antimony sulfide concentrate to metallic antimony using ZnO as the sulfur-fixing agent and …
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of lead production. The blend was prepared by mixing antimony concentrate with coke acting as a reducing agent. The reduction smelting was carried out in alundum crucibles in a shaft furnace with silicon carbide heating elements. Based on the experimental results the antimony concentrate reduction smelting in slag absence had to be carried
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A smelting method for reduction dearsenification and volatilization dearsenification of high-antimony secondary smoke dust by using a multilayer tuyere and a high-coke column blast furnace is characterized in that the high-antimony secondary smoke dust, sodium carbonate and a low-temperature carbonization reducing agent are added with water for proportioning and then …
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The utility model relates to an antimony ingot production technical field discloses a device is smelted in reduction for antimony ingot production, the supporting seat cup joints the rotation through bearing frame and reverberatory furnace, biax driving motor's output symmetry is provided with drive gear, the middle part symmetry of reverberatory furnace is provided with …
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Blast furnace volatilizing (smelting) and reverberatory furnace process is the main reduction method in the current antimony smelting process, and it is associated with problems such as a long ...
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The utility model discloses a kind of antimony reduction furnace, comprise the reduction furnace furnace shell of quartz ampoule, resistance furnace and band peep hole, resistance furnace is placed in reduction furnace furnace shell, quartz ampoule is horizontally through the axis of reduction furnace furnace shell, and is positioned in resistance furnace, and described quartz …
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Substance flow analysis was applied to an antimony pyrometallurgical system. By taking antimony and arsenic as the objective elements, the mass balance and substance flow charts based on the production system were established, and evaluating indicators such as the direct recovery rate, waste recovery rate, and resource efficiency were set up.
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The reduction smelting technology most commonly utilizes the antimony oxide powder reduction in a reverberatory furnace. Here, antimony oxide powder, reduced coal, and solvent are …
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antimony metal by microwave carbon thermal reduction so that the process can prepare high-quality antimony ingots and lay a foundation for further industrial applications.
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The direct sulfur fixation and reduction roasting of antimony sulfide (Sb 2 S 3) were investigated for antimony extraction, based on the combination of metallurgy and beneficiation.Zinc oxide (ZnO) and carbon, used as the sulfur-fixing agent and reductant, respectively, were roasted with Sb 2 S 3 to form Sb metal and zinc sulfide (ZnS). The products …
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In the reduction reaction of Sb 2 S 3 with ZnO as the sulfur-fixing agent, the main reactions are reaction (1) and reaction (2) [26]. They comprise a one-step reduction sulfur …
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The process flow diagram for processing of lead-bearing polymetallic materials by oxygen-enriched side blown oxidation, oxygen-enriched side blown reduction and fuming with fuming furnace is shown in Fig. 2.After proportioning, the lead-bearing polymetallic materials are mixed and granulated, with input charge particle size of around 15 mm, water controlled within …
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Shaft reduction stove is produced the invention discloses a kind of high purity antimony, including vertically disposed feed pipe, charging aperture, reduction tube, gas-liquid separation discharging opening successively from top to bottom, wherein in feed pipe insertion charging aperture, what feed pipe was passed through turns on for trichloride antimony raw material, charging aperture …
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The reverberatory furnace for reduction of antimony oxide was also enlarged: refining at lower temperatures and continuous mechanical casting into ingots gave a high-grade regulus. To enlarge the range of antimony products successful testwork was carried out on a technique characterized by fuel-free, self-oxidation volatilization capable of ...
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The blast furnace and basic oxygen furnace (BF-BOF) is still the main process used for the production of iron and steel in China. With the approach of the "dual carbon" target, the iron and steel industry needs to transform and upgrade to "green" and "low-carbon" practices. At present, the low-carbon hydrogen metallurgy technology route based on hydrogen instead …
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Blast furnace volatilizing (smelting) and reverberatory furnace process is the main reduction method in the current antimony smelting process, and it is associated with problems...
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The Kaldo furnace smelting slag is produced in the process of recovering gold and silver by treating copper anode slime by adopting a Kaldo furnace main process in a precious metal smelting plant, mainly comprises elements such as lead, antimony, bismuth, tin and the like, also contains 4-5 kg/t of silver and 50-60 g/t of gold, and has extremely high value.
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In this work, a clean microwave carbothermal reduction of Sb 2 O 3 mineral to prepare metallic antimony ingot is proposed. Response surface methodology was used to optimize condition for microwave carbothermal reduction of Sb 2 O 3.The roasting temperature, roasting duration, carbon powder ratio and NaCl addition ratio was collected to carry out a four …
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