铜渣直接还原-磨选二次尾矿利用方式研究
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摘要
金川神雾公司的铜渣转底炉直接还原-磨选生产线顺利投产,每处理1 t铜渣将会产生0.5 t左右的二次尾矿,需要进行综合利用。本文对铜渣二次尾矿的物理化学性质进行了分析,二次尾矿中主要是以透辉石和石英为主,其余为无形性相,且粒度较细-0.074 mm 91.70%。分析了铜渣二次尾矿的利用方式,包括生产胶凝材料、墙体材料、陶粒和用于农业生产的可行性。对一条年产30万m3蒸压加气混凝土砌块生产线进行经济效果评价,项目总投资约为6, 445.43万元,年消耗尾矿92, 400 t,年均净利润2, 146.85万元,投资收益率41.04%,投资回收期3.07年,项目是可行的。
The copper slag direct reduction-grinding production line in Jinchuan Shenwu Technology Co.,Ltd. is put into operation smoothly, for every ton of copper slag will produce about 0.5 t tailings, and it needs to be comprehensive utilization. The physical and chemical properties of tailing were analyzed in this paper,the crystalline phases in tailings were mainly by diopside and quartz, the rest is amorphous phase, and the proportion of-0.074 mm was 91.70%.. The different utilization methods of tailings were analyzed, including the production of cementitious materials, wall materials, ceramsite and agriculture field. The economic effect is evaluated for the project of autoclaved aerated concrete block of annual output of 300, 000 m3. The total investment is about 64, 454, 300 yuan. And the annual consumption of tailings will be 92, 400 tons. The annual profit will be 21, 458, 500 yuan, the investment return rate is 41.04%, and the investment recovery period is 3.07 years. The autoclaved aerated concrete block production project is feasible.
The copper slag direct reduction-grinding production line in Jinchuan Shenwu Technology Co.,Ltd. is put into operation smoothly, for every ton of copper slag will produce about 0.5 t tailings, and it needs to be comprehensive utilization. The physical and chemical properties of tailing were analyzed in this paper,the crystalline phases in tailings were mainly by diopside and quartz, the rest is amorphous phase, and the proportion of-0.074 mm was 91.70%.. The different utilization methods of tailings were analyzed, including the production of cementitious materials, wall materials, ceramsite and agriculture field. The economic effect is evaluated for the project of autoclaved aerated concrete block of annual output of 300, 000 m3. The total investment is about 64, 454, 300 yuan. And the annual consumption of tailings will be 92, 400 tons. The annual profit will be 21, 458, 500 yuan, the investment return rate is 41.04%, and the investment recovery period is 3.07 years. The autoclaved aerated concrete block production project is feasible.
引文
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[29]Li F P,Liu R Y,Zhang J R,et al.Land reclamation pattern of iron mine in Tangshan[J].Transactions of Nonferrous Metals Society of China,2005(S1):159-163.
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[37]孙建忠.金昌市地区生态环境退化特征及建设思路[J].甘肃林业,2006,3(11):19-21.
[38]张玉玲.浅谈金昌城市园林绿化植物的优化配置[J].甘肃林业科技,2002(4):33-35+39.
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[40]孙育虎,李光娜.甘肃金昌市居住区绿化发展探讨[J].中国园艺文摘,2015,31(8):110-111.
[41]许金秀.浅谈金昌市城市园林绿化存在的问题及建议[J].甘肃农业科技,2014(12):63-65.
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[43]曹万智.新型墙体材料的特性及发展趋势[J].砖瓦,2012,19(11):81-86.
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[46]徐曙光.新型墙材技术经济分析浅析[J].北方建筑,2017,2(6):19-21.
[47]方永浩,庞二波,王锐,等.用低硅铜尾矿制备蒸压灰砂砖[J].硅酸盐学报,2010,38(4):559-563.
[48]高连玉李庆繁.蒸压加气混凝土建筑制品生产及应用[M].北京:中国建材工业出版社,2015-08.
[49]国家发展改革委、建设部发布《建设项目经济评价方法与参数》[M].3版.北京:中国计划出版社,2006.8.
[2]Sarfo P,Das A,Wyss G,et al.Recovery of metal values from copper slag and reuse of residual secondary slag[J].Waste Management,2017,70:272-281.
[3]廖宁宁,李献帅,鄢发明,等.浮选回收某缓冷铜冶炼渣中的铜[J].金属矿山,2017,46(5):189-192.
[4]杨慧芬,景丽丽,党春阁.铜渣中铁组分的直接还原与磁选回收[J].中国有色金属学报,2011,21(5):1165-1170.
[5]林晨.金川神雾铜渣综合利用项目投产[N].中国有色金属报,2017-01-05(001).
[6]神雾节能全球首创有色金属渣循环利用示范项目投产引领世界清洁冶炼技术变革[J].中国金属通报,2017,22(1):28-29.
[7]李铮.神雾节能全球首创有色金属渣循环利用示范项目投产[N].中国有色金属报,2017-01-03(006).
[8]陈永亮,张一敏,陈铁军.铁尾矿建材资源化研究进展[J].金属矿山,2009,39(1):162-165.
[9]Zhang Y,Lin H,Dong Y B,et al.Coupling relationship between multi component recovery of rare earth tailings[J].Rare Metals,2017,36(3):220-228.
[10]陈晶,朱立德.尾矿大量消纳的较佳途径[J].有色冶金节能,2017,33(4):55-57.
[11]余晶,李秋月.尾矿资源综合利用现状及政策研究[J].内蒙古科技与经济,2017(14):52-54.
[12]张宏泉,李琦缘,文进,等.铜尾矿资源的利用现状及展望[J].现代矿业,2017,33(1):127-131.
[13]史利芳,潘利祥,郭炜,等.尾矿综合利用及实例[J].中国矿业,2013,22(4):137-141.
[14]刘淑鹏,张小伟,魏芳.金属矿山固体废弃物危害及资源再利用[J].现代矿业,2017,33(2):122-125.
[15]张树光,王华庆,李江山.锰尾矿基胶凝材料配方优化及水化机理分析[J].环境工程学报,2017,11(1):535-540.
[16]李玲,杨超.利用尾矿作为建材原料的研究进展[J].建材发展导向,2014,12(16):63-67.
[17]何哲祥,周喜艳,肖祁春.尾矿应用于水泥原料的研究进展[J].资源环境与工程,2013,27(5):724-727.
[18]张文慧.铁尾矿砂在水泥生产中的应用[J].中国水泥,2017,24(4):85-86.
[19]施正伦,骆仲泱,林细光,等.尾矿作水泥矿化剂和铁质原料的试验研究[J].浙江大学学报,2008,42(3):506-510.
[20]罗力,张一敏,包申旭.利用铁尾矿制备硅酸盐水泥熟料[J].非金属矿,2016,39(3):50-52.
[21]Davidovits J.Geopolymers:Inorganic Polymeric New Materials[J].Journal of Thermal Analysis,1991,37(8):1633-1656
[22]肖力光,李睿博,崔正旭,等.利用铁尾矿替代细石英砂配制聚合物水泥砂浆的研究[J].混凝土,2012,34(3):115-116,123.
[23]胡倩倩,赵风清,刘少杰.新型绿色聚合物防水砂浆的研制[J].新型建筑材料,2014,41(3):64-67,70.
[24]王德民,雷国元,宋均平,等.低硅铁尾矿陶粒的制备与应用[J].金属矿山,2013,42(9):163-166.
[25]曹曦娇,邱俊,吕宪俊.铁尾矿陶粒的发展现状和存在问题分析[J].现代矿业,2012(12):152-154.
[26]Catherine R,Valérie B,Michel A,et al.Life cycle assessment of mine tailings management in Canada[J].Journal Cleaner Production,2009,17(4):471-479.
[27]Noyd R K,Pfleger F L,Norland M R.Field responses to added organic matter,arbuscular mycorrhizal fungi,and fertilizer in reclamation of taconite iron ore tailings[J].Plant&Soil,1996,179(1):89-97.
[28]Norland M R,Veith D L.Revegetation of coarse taconite iron ore tailings using municipal solid-waste compost[J].Journal of Hazardous Materials 1995,41(2-3):123-134.
[29]Li F P,Liu R Y,Zhang J R,et al.Land reclamation pattern of iron mine in Tangshan[J].Transactions of Nonferrous Metals Society of China,2005(S1):159-163.
[30]黄勇刚.我国铁尾矿资源的利用现状及展望[J].资源与产业,2013,15(3):40-44.
[31]王运敏,常前发.当前我国铁矿尾矿的资源状况利用现状及工作方向[J].金属矿山,1999,28(1):1-6.
[32]侯攀,陈宇清,樊宇姣.金属矿山尾矿综合利用现状[J].现代矿业,2017,33(2):129-131.
[33]贾清梅,张锦瑞,李风久.铁尾矿的资源化利用研究及现状[J].矿业工程,2006(3):7-9.
[34]钟任智.充分利用尾矿资源实现无尾矿山目标-尾矿综合利用在矿山生产中的实践[J].2002,11(2):52-55.
[35]刘翔,胡建成,王力群.尾矿回收工艺研究与实践[J].矿业快报,2002(2):12-141.
[36]徐东强,杨福海,张荣,等.马兰庄铁矿尾矿复垦实践[J].唐山工程技术学院学报,1995(4):99-104.
[37]孙建忠.金昌市地区生态环境退化特征及建设思路[J].甘肃林业,2006,3(11):19-21.
[38]张玉玲.浅谈金昌城市园林绿化植物的优化配置[J].甘肃林业科技,2002(4):33-35+39.
[39]孙育虎.资源性缺水城市园林绿化发展之路-甘肃省金昌市创建国家园林城市总结[J].中国园艺文摘,2014,30(4):90-92.
[40]孙育虎,李光娜.甘肃金昌市居住区绿化发展探讨[J].中国园艺文摘,2015,31(8):110-111.
[41]许金秀.浅谈金昌市城市园林绿化存在的问题及建议[J].甘肃农业科技,2014(12):63-65.
[42]毛雪莲.金昌市林业生态建设现状及保护性发展设想[J].甘肃农业科技,2013(8):45-47.
[43]曹万智.新型墙体材料的特性及发展趋势[J].砖瓦,2012,19(11):81-86.
[44]闫凌云.新型节能墙体材料的应用现状及发展趋势分析[J].绿色环保建材,2017(2):1-2.
[45]张金青,孙小卫,牛艳宁.我国矿山尾矿生产新型建材系列产品[J].矿产保护与利用,2012(2):56-58.
[46]徐曙光.新型墙材技术经济分析浅析[J].北方建筑,2017,2(6):19-21.
[47]方永浩,庞二波,王锐,等.用低硅铜尾矿制备蒸压灰砂砖[J].硅酸盐学报,2010,38(4):559-563.
[48]高连玉李庆繁.蒸压加气混凝土建筑制品生产及应用[M].北京:中国建材工业出版社,2015-08.
[49]国家发展改革委、建设部发布《建设项目经济评价方法与参数》[M].3版.北京:中国计划出版社,2006.8.