CN115478179B - 一种基于行业大数据选钼过程生产工艺及其方法 - Google Patents
一种基于行业大数据选钼过程生产工艺及其方法 Download PDFInfo
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910052750 molybdenum Inorganic materials 0.000 title claims abstract description 67
- 239000011733 molybdenum Substances 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000000227 grinding Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000005188 flotation Methods 0.000 claims abstract description 20
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 18
- 239000011707 mineral Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 18
- 239000012141 concentrate Substances 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000004062 sedimentation Methods 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims abstract description 6
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- 238000002156 mixing Methods 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims description 25
- 238000005406 washing Methods 0.000 claims description 14
- 238000002386 leaching Methods 0.000 claims description 13
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 11
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 8
- 101100399296 Mus musculus Lime1 gene Proteins 0.000 claims description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 8
- 239000004571 lime Substances 0.000 claims description 8
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 8
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 8
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- GBCAVSYHPPARHX-UHFFFAOYSA-M n'-cyclohexyl-n-[2-(4-methylmorpholin-4-ium-4-yl)ethyl]methanediimine;4-methylbenzenesulfonate Chemical compound CC1=CC=C(S([O-])(=O)=O)C=C1.C1CCCCC1N=C=NCC[N+]1(C)CCOCC1 GBCAVSYHPPARHX-UHFFFAOYSA-M 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 4
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000006477 desulfuration reaction Methods 0.000 claims description 4
- 230000023556 desulfurization Effects 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 4
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims description 4
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 2
- 235000007710 Grifola frondosa Nutrition 0.000 claims 1
- 240000001080 Grifola frondosa Species 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 235000010755 mineral Nutrition 0.000 description 14
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 12
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 12
- 238000012216 screening Methods 0.000 description 11
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 10
- 239000011609 ammonium molybdate Substances 0.000 description 10
- 229940010552 ammonium molybdate Drugs 0.000 description 10
- 235000018660 ammonium molybdate Nutrition 0.000 description 10
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
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- 239000013078 crystal Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 229910052961 molybdenite Inorganic materials 0.000 description 6
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 6
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- 239000002253 acid Substances 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000006056 electrooxidation reaction Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 229910052976 metal sulfide Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
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- 239000002893 slag Substances 0.000 description 3
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000012257 stirred material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/34—Obtaining molybdenum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
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- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
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- C25B1/00—Electrolytic production of inorganic compounds or non-metals
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- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
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Abstract
本发明提供了一种基于行业大数据选钼过程生产工艺及其方法,通过钼经颚式破碎机进行粗碎处理,细碎机将矿石破碎到破碎粒度为20‑30毫米,破碎后的物料由提升机送入料仓;通过细研磨物料均匀输送至球磨机进行细研磨,研磨时间1‑2h;粉碎后的细矿物料送入旋分级机,利用固体颗粒比例不同、液体沉降速度不同对混合矿进行洗涤分级;在搅拌器中搅拌后输送至浮选机进行浮选,并通过气泡与矿粒动态碰撞,使得气泡与矿粒结合静态分离,使所需矿石与其他物质分离;烘烤,精矿在回转窑中焙烧,温度为500‑650℃去除浮选后的细矿中所含的水分,在搅拌器中搅拌后输送至浮选机进行浮选的过程中采用优先浮选铝粉和脉石粉与浮选剂混合并充气,在浮选机中得到钼精矿。
Description
技术领域
本发明涉及行业大数据选钼领域,具体而言,涉及一种基于行业大数据选钼过程生产工艺及其方法。
背景技术
钼是发现得比较晚的一种金属元素,由于金属钼具有高强度、高熔点、耐腐蚀、耐磨研等优点,因此在工业上得到了广泛的利用。在冶金工业中,钼作为生产各种合金钢的添加剂,或与钨、镍、钴,锆、钛、钒、铼等组成高级合金,以提高其高温强度、耐磨性和抗腐性。含钼合金钢用来制造运输装置、机车、工业机械,以及各种仪器。某些含钼4%~5%的不锈钢用于生产精密化工仪表和在海水环境中使用的设备。含4%~9.5%的高速钢可制造高速切削工具。钼和镍、铬的合金用于制造飞机的金属构件、机车和汽车上的耐蚀零件。金属钼大量用作高温电炉的发热材料和结构材料、真空管的大型电极和栅极、半导体及电光源材料。
但是现有的钼在进行生产的过程中细矿中的水分比较多,在进行初加工的过程中仅仅进行了粗碎处理,缺少对钼矿的细碎处理,其中再加工中的钼矿中含有细微的杂质,因此我们对此做出改进,提出一种基于行业大数据选钼过程生产工艺及其方法。
发明内容
本发明的目的在于:针对目前存在的背景技术提出的问题。为了实现上述发明目的,本发明提供了以下技术方案:一种基于行业大数据选钼过程生产工艺,包括以下工艺流程,S1、钼经颚式破碎机进行粗碎处理,细碎机将矿石破碎到破碎粒度为20-30毫米,破碎后的物料由提升机送入料仓;
S2、细研磨,物料均匀输送至球磨机进行细研磨,研磨时间1-2h;
S3、洗涤分级,粉碎后的细矿物料送入旋分级机,利用固体颗粒比例不同、液体沉降速度不同对混合矿进行洗涤分级;
S4、浮选,在搅拌器中搅拌后输送至浮选机进行浮选,根据不同矿物特性添加相应的浮选药剂,并通过气泡与矿粒动态碰撞,使得气泡与矿粒结合静态分离,使所需矿石与其他物质分离;
S5烘烤,精矿在回转窑中焙烧,温度为500-650℃去除浮选后的细矿中所含的水分。
作为本发明优选的技术方案,S1、钼经颚式破碎机破碎筛分包括S11钼矿由振动给料机均匀地送入颚式破碎机进行粗碎;S12粗碎后经振动筛分后送入圆锥破碎机进行破碎;S13然后送入制砂机进行细碎,细碎破碎粒度为10-15毫米。
作为本发明优选的技术方案,S2、物料均匀输送至球磨机进行细研磨包括S21粉碎后的钼矿石送入球磨机进行研磨,研磨0.5-1h,S22然后通过螺旋分级机进行筛选合格的钼粉送入浮选机其余的继续研磨。
作为本发明优选的技术方案,S4、在搅拌器中搅拌后输送至浮选机进行浮选的过程中采用优先浮选铝粉和脉石粉与浮选剂混合并充气,在浮选机中得到钼精矿,含85%-92%的二硫化钼,并加入石灰抑制剂:水玻瑞、氰化物或硫化物,再用盐酸浸出碳矿物质,使用六偏磷酸钠和CMC,或使用氯化铁、水玻璃和六偏磷酸钠,使用CMC使SO2含量降低到标准以内。
作为本发明优选的技术方案,S5烘烤的过程中焙烧将其转化为MoO3,回转窑工业氧化钼通常含有至少57%的钼和低于0.1%的硫。
作为本发明优选的技术方案,S5烘烤中的多炉膛炉用于焙烧从底部吹出的气体和热空,并不断翻转钼精矿促进化学反应,排出的焙烧炉煤气通过脱硫系统或石灰洗涤装置去除二氧化硫。
一种基于行业大数据选钼过程生产方法,包括以下步骤:步骤一将钼矿用于处理低品味中矿、尾矿的浸出,在氧化浸出过程中,次氯酸钠本身也会缓慢分解析出氧,金属硫化物也会被次氯酸钠氧化,金属的离子货氢氧化物又会与钼酸根生产钼酸盐沉淀促进溶液的钼又返回到渣中。
作为本发明优选的技术方案,步骤二再将已经浆化的辉钼矿物料加入到装有氯化钠溶液的电解槽中,在电氧化过程中,阳极产物Cl2又与水反应,生产次氯酸根,次氯酸根再氧化矿物中的硫化钼使钼以钼酸根形态进入溶液中。
作为本发明优选的技术方案,步骤三将辉钼矿进行焙烧得到钼焙砂,然后通过升华制得三氧化钼,用氨浸出时生成钼酸铵进入溶液,与不溶物加以分离,溶液经浓缩结晶得到钼酸铵晶体。
作为本发明优选的技术方案,步骤三中在钼酸铵晶体加酸酸化生成钼酸沉淀,从而与可溶性杂质分离,经煅烧后都生成纯净的三氧化钼,然后用氢还原法生产金属钼。
与现有技术相比,本发明的有益效果:
在本发明的方案中:
1.通过钼经颚式破碎机进行粗碎处理,细碎机将矿石破碎到破碎粒度为20-30毫米,破碎后的物料由提升机送入料仓;通过细研磨物料均匀输送至球磨机进行细研磨,研磨时间1-2h;洗涤分级,粉碎后的细矿物料送入旋分级机,利用固体颗粒比例不同、液体沉降速度不同对混合矿进行洗涤分级;浮选,在搅拌器中搅拌后输送至浮选机进行浮选,根据不同矿物特性添加相应的浮选药剂,并通过气泡与矿粒动态碰撞,使得气泡与矿粒结合静态分离,使所需矿石与其他物质分离;烘烤,精矿在回转窑中焙烧,温度为500-650℃去除浮选后的细矿中所含的水分;
2.通过钼经颚式破碎机破碎筛分包括钼矿由振动给料机均匀地送入颚式破碎机进行粗碎;粗碎后经振动筛分后送入圆锥破碎机进行破碎;然后送入制砂机进行细碎,细碎破碎粒度为10-15毫米。物料均匀输送至球磨机进行细研磨包括粉碎后的钼矿石送入球磨机进行研磨,研磨0.5-1h,然后通过螺旋分级机进行筛选合格的钼粉送入浮选机其余的继续研磨,在搅拌器中搅拌后输送至浮选机进行浮选的过程中采用优先浮选铝粉和脉石粉与浮选剂混合并充气,在浮选机中得到钼精矿。
附图说明:
图1为本发明提供的流程图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合附图,对本发明实施例中的技术方案进行清楚、完整的描述。显然,所描述的实施例是本发明的一部分实施例,而不是全部的实施例。
因此,以下对本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围,而是仅仅表示本发明的部分实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围,需要说明的是,在不冲突的情况下,本发明中的实施例及实施例中的特征和技术方案可以相互组合,应注意到:相似的标号和字母在下面的附图中表示类似项,因此,一旦某一项在一个附图中被定义,则在随后的附图中不需要对其进行进一步定义和解释。
实施例1:请参阅图1,一种基于行业大数据选钼过程生产工艺,包括以下工艺流程,S1、钼经颚式破碎机进行粗碎处理,细碎机将矿石破碎到破碎粒度为20-30毫米,破碎后的物料由提升机送入料仓;
S2、细研磨,物料均匀输送至球磨机进行细研磨,研磨时间1-2h;
S3、洗涤分级,粉碎后的细矿物料送入旋分级机,利用固体颗粒比例不同、液体沉降速度不同对混合矿进行洗涤分级;
S4、浮选,在搅拌器中搅拌后输送至浮选机进行浮选,根据不同矿物特性添加相应的浮选药剂,并通过气泡与矿粒动态碰撞,使得气泡与矿粒结合静态分离,使所需矿石与其他物质分离;
S5烘烤,精矿在回转窑中焙烧,温度为500-650℃去除浮选后的细矿中所含的水分。
S1、钼经颚式破碎机破碎筛分包括S11钼矿由振动给料机均匀地送入颚式破碎机进行粗碎;S12粗碎后经振动筛分后送入圆锥破碎机进行破碎;S13然后送入制砂机进行细碎,细碎破碎粒度为10-15毫米。
S2、物料均匀输送至球磨机进行细研磨包括S21粉碎后的钼矿石送入球磨机进行研磨,研磨0.5-1h,S22然后通过螺旋分级机进行筛选合格的钼粉送入浮选机其余的继续研磨。
S4、在搅拌器中搅拌后输送至浮选机进行浮选的过程中采用优先浮选铝粉和脉石粉与浮选剂混合并充气,在浮选机中得到钼精矿,含85%-92%的二硫化钼,并加入石灰抑制剂:水玻瑞、氰化物或硫化物,再用盐酸浸出碳矿物质,使用六偏磷酸钠和CMC,或使用氯化铁、水玻璃和六偏磷酸钠,使用CMC使SO2含量降低到标准以内。
S5烘烤的过程中焙烧将其转化为MoO3,回转窑工业氧化钼通常含有至少57%的钼和低于0.1%的硫。S5烘烤中的多炉膛炉用于焙烧从底部吹出的气体和热空,并不断翻转钼精矿促进化学反应,排出的焙烧炉煤气通过脱硫系统或石灰洗涤装置去除二氧化硫。
一种基于行业大数据选钼过程生产方法,包括以下步骤:步骤一将钼矿用于处理低品味中矿、尾矿的浸出,在氧化浸出过程中,次氯酸钠本身也会缓慢分解析出氧,金属硫化物也会被次氯酸钠氧化,金属的离子货氢氧化物又会与钼酸根生产钼酸盐沉淀促进溶液的钼又返回到渣中。步骤二再将已经浆化的辉钼矿物料加入到装有氯化钠溶液的电解槽中,在电氧化过程中,阳极产物Cl2又与水反应,生产次氯酸根,次氯酸根再氧化矿物中的硫化钼使钼以钼酸根形态进入溶液中。步骤三将辉钼矿进行焙烧得到钼焙砂,然后通过升华制得三氧化钼,用氨浸出时生成钼酸铵进入溶液,与不溶物加以分离,溶液经浓缩结晶得到钼酸铵晶体。步骤三中在钼酸铵晶体加酸酸化生成钼酸沉淀,从而与可溶性杂质分离,经煅烧后都生成纯净的三氧化钼,然后用氢还原法生产金属钼。
工作原理:一种基于行业大数据选钼过程生产工艺,在使用的工艺流程为,S1、钼经颚式破碎机进行粗碎处理,细碎机将矿石破碎到破碎粒度为20-30毫米,破碎后的物料由提升机送入料仓;S2、细研磨,物料均匀输送至球磨机进行细研磨,研磨时间1-2h;S3、洗涤分级,粉碎后的细矿物料送入旋分级机,利用固体颗粒比例不同、液体沉降速度不同对混合矿进行洗涤分级;S4、浮选,在搅拌器中搅拌后输送至浮选机进行浮选,根据不同矿物特性添加相应的浮选药剂,并通过气泡与矿粒动态碰撞,使得气泡与矿粒结合静态分离,使所需矿石与其他物质分离;S5烘烤,精矿在回转窑中焙烧,温度为500-650℃去除浮选后的细矿中所含的水分。S1、钼经颚式破碎机破碎筛分包括S11钼矿由振动给料机均匀地送入颚式破碎机进行粗碎;S12粗碎后经振动筛分后送入圆锥破碎机进行破碎;S13然后送入制砂机进行细碎,细碎破碎粒度为10-15毫米。S2、物料均匀输送至球磨机进行细研磨包括S21粉碎后的钼矿石送入球磨机进行研磨,研磨0.5-1h,S22然后通过螺旋分级机进行筛选合格的钼粉送入浮选机其余的继续研磨。S4、在搅拌器中搅拌后输送至浮选机进行浮选的过程中采用优先浮选铝粉和脉石粉与浮选剂混合并充气,在浮选机中得到钼精矿,含85%-92%的二硫化钼,并加入石灰抑制剂:水玻瑞、氰化物或硫化物,再用盐酸浸出碳矿物质,使用六偏磷酸钠和CMC,或使用氯化铁、水玻璃和六偏磷酸钠,使用CMC使SO2含量降低到标准以内。S5烘烤的过程中焙烧将其转化为MoO3,回转窑工业氧化钼通常含有至少57%的钼和低于0.1%的硫。S5烘烤中的多炉膛炉用于焙烧从底部吹出的气体和热空,并不断翻转钼精矿促进化学反应,排出的焙烧炉煤气通过脱硫系统或石灰洗涤装置去除二氧化硫;
一种基于行业大数据选钼过程生产方法,在使用的方法为:步骤一将钼矿用于处理低品味中矿、尾矿的浸出,在氧化浸出过程中,次氯酸钠本身也会缓慢分解析出氧,金属硫化物也会被次氯酸钠氧化,金属的离子货氢氧化物又会与钼酸根生产钼酸盐沉淀促进溶液的钼又返回到渣中。步骤二再将已经浆化的辉钼矿物料加入到装有氯化钠溶液的电解槽中,在电氧化过程中,阳极产物Cl2又与水反应,生产次氯酸根,次氯酸根再氧化矿物中的硫化钼使钼以钼酸根形态进入溶液中。步骤三将辉钼矿进行焙烧得到钼焙砂,然后通过升华制得三氧化钼,用氨浸出时生成钼酸铵进入溶液,与不溶物加以分离,溶液经浓缩结晶得到钼酸铵晶体。步骤三中在钼酸铵晶体加酸酸化生成钼酸沉淀,从而与可溶性杂质分离,经煅烧后都生成纯净的三氧化钼,然后用氢还原法生产金属钼。
以上实施例仅用以说明本发明而并非限制本发明所描述的技术方案,尽管本说明书参照上述的各个实施例对本发明已进行了详细的说明,但本发明不局限于上述具体实施方式,因此任何对本发明进行修改或等同替换;而一切不脱离发明的精神和范围的技术方案及其改进,其均涵盖在本发明的权利要求范围当中。
Claims (1)
1.一种基于行业大数据选钼过程生产工艺,其特征在于,包括以下工艺流程,S1、钼经颚式破碎机进行粗碎处理,细碎机将矿石破碎到破碎粒度为20-30毫米,破碎后的物料由提升机送入料仓;S2、细研磨,物料均匀输送至球磨机进行细研磨,细研磨通过细轮磨砂片进行高速打磨研磨时间1-2h;S3、洗涤分级,粉碎后的细矿物料送入旋分级机,利用固体颗粒比例不同、液体沉降速度不同对混合矿进行洗涤分级;S4、浮选,在搅拌器中搅拌后输送至浮选机进行浮选,根据不同矿物特性添加相应的浮选药剂,浮选药剂含85%-92%的二硫化钼并通过气泡与矿粒动态碰撞,使气泡与矿粒结合静态分离,使所需矿石与其他物质分离;S5、烘烤,精矿在回转窑中焙烧出MoO3,温度为500-650℃去除浮选后的细矿中所含的水分,S4、在搅拌器中搅拌后输送至浮选机进行浮选的过程中采用优先浮选铝粉和脉石粉与浮选剂混合并充气,并加入石灰抑制剂:水玻瑞、氰化物或硫化物,再用盐酸浸出碳矿物质,使用六偏磷酸钠和CMC,或使用氯化铁、水玻璃和六偏磷酸钠,使用CMC使SO2含量降低到标准以内,S5、烘烤的过程中焙烧将其转化为MoO3,回转窑工业氧化钼通常含有至少57%的钼和低于0.1%的硫,S5、烘烤中的多炉膛炉用于焙烧从底部吹出的气体和热空,并不断翻转钼精矿促进化学反应,排出的焙烧炉煤气通过脱硫系统或石灰洗涤装置去除二氧化硫。
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