Article(id=1187088801450050079, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1187088798216241684, articleNumber=1009-5438(2022)04-0008-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1654963200000, receivedDateStr=2022-06-12, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1760953625309, onlineDateStr=2025-10-20, pubDate=1661356800000, pubDateStr=2022-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1760953625309, onlineIssueDateStr=2025-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1760953625309, creator=13701087609, updateTime=1760953625309, updator=13701087609, issue=Issue{id=1187088798216241684, tenantId=1146029695717560320, journalId=1185652524569653253, year='2022', volume='48', issue='4', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1760953624537, creator=13701087609, updateTime=1760953945042, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1187090142570365089, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1187088798216241684, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1187090142570365090, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1187088798216241684, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=8, endPage=12, ext={EN=ArticleExt(id=1187340478195319164, articleId=1187088801450050079, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Transformation of Crushing Technology in Submontane Dressing Area of Baoshan Mining Company, columnId=1187340472918880861, journalTitle=Science & Technology of Baotou Steel, columnName=Production Practice and Management, runingTitle=null, highlight=null, articleAbstract=
After years of operation, there are such problems for the crushing system in submontane dressing area of Baoshan Mining Co. as large number of equipment, low technical level and high maintenance costs. The factors affecting crushing operation indexes are found out through investigating and analyzing the current situation of existing crushing technology. The existing crushing circuit is transformed, the original crushing circuit is changed from “one closed circuit each three sections” to “one closed circuit each two sections”, add HP800 fine crusher to realize the matching running of two types of crushers and carry out the size optimization of sieve plate. The particle size of entering grinder is greatly reduced after the transformation, which creates favorable conditions for subsequent grinding and separation operations, the number of equipment as well as workload of equipment maintenance and inspection are reduced so that the comprehensive benefit of RMB 8.54 million yuan per year can be created.
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宝山矿业公司山下选区破碎系统经过多年运行,存在设备数量多、技术水平低、维护成本高等问题,通过对现有破碎工艺流程现状考察分析,查找出影响破碎作业指标的因素。对现有破碎流程进行改造,将原有破碎流程由“三段一闭路”改为“两段一闭路”,增设HP800细碎机实现两种破碎机匹配转车,开展筛板尺寸优化。改造后大幅度降低了入磨机粒度,为后续磨选作业创造了有利条件,同时减少了设备数量,降低了设备维检工作量,每年可创造综合效益854万元。
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曾永杰(1974-),男,甘肃省景泰县人,高级工程师,现从事选矿技术管理工作。
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曾永杰(1974-),男,甘肃省景泰县人,高级工程师,现从事选矿技术管理工作。
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曾永杰(1974-),男,甘肃省景泰县人,高级工程师,现从事选矿技术管理工作。
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有色金属:选矿部分,
2007,(6):17-20., articleTitle=黄金选矿破碎工艺综合改造实践, refAbstract=null), Reference(id=1187340563264193074, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1187088801450050079, doi=null, pmid=null, pmcid=null, year=1983, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[2], rfOrder=1, authorNames=李启衡, journalName=碎矿与磨矿, refType=null, unstructuredReference=李启衡.
碎矿与磨矿[M]. 北京: 冶金工业出版社,
1983., articleTitle=null, refAbstract=null), Reference(id=1187340563381633587, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1187088801450050079, doi=null, pmid=null, pmcid=null, year=1988, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[3], rfOrder=2, authorNames=选矿设计手册编委会, journalName=选矿设计手册, refType=null, unstructuredReference=选矿设计手册编委会.
选矿设计手册[M]. 北京: 冶金工业出版社,
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| 设备名称 | 台数 | 设备允许给矿 粒度/mm | 设计给矿 粒度/mm | 排矿口 直径/mm | 最大排矿 粒度/mm | 设备处理能力 /(t·h-1·台-1) | 计算给矿量 /(t·h-1) | 负荷率 /% |
| 圆锥破碎机 | 2 | 350 | 300 | 51 | 90 | 1 100 | 1 010.10 | 91.83 |
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中碎设备选择结果
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| 设备名称 | 台数 | 设备允许给矿 粒度/mm | 设计给矿 粒度/mm | 排矿口 直径/mm | 最大排矿 粒度/mm | 设备处理能力 /(t·h-1·台-1) | 计算给矿量 /(t·h-1) | 负荷率 /% |
| 圆锥破碎机 | 2 | 350 | 300 | 51 | 90 | 1 100 | 1 010.10 | 91.83 |
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| 设备名称 | 台数 | 设备允许给矿 粒度/mm | 设计给矿 粒度/mm | 排矿口直径 /mm | 最大排矿 粒度/mm | 设备处理能力 /(t·h-1·台-1) | 计算给矿量 /(t·h-1) | 负荷率 /% |
| 圆锥破碎机 | 2 | 90 | 90 | 16 | 13 | 655 | 1 010.1 | 77.11 |
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细碎设备选择结果
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| 设备名称 | 台数 | 设备允许给矿 粒度/mm | 设计给矿 粒度/mm | 排矿口直径 /mm | 最大排矿 粒度/mm | 设备处理能力 /(t·h-1·台-1) | 计算给矿量 /(t·h-1) | 负荷率 /% |
| 圆锥破碎机 | 2 | 90 | 90 | 16 | 13 | 655 | 1 010.1 | 77.11 |
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| 项目 | 主要可比工艺设备 | 数量 | 功率/kW | 总功率/kW |
| 改造后减少的设备 | 中碎Φ2 200圆锥破碎机 | 3 | 260 | 780 |
| 细碎Φ2 200圆锥破碎机 | 6 | 260 | 1 560 |
| 惯性振动筛1836 | 6 | 15 | 90 |
| 9-2#皮带机 | 1 | 22 | 22 |
| 14#皮带机 | 1 | 45 | 45 |
| 30#皮带机 | 1 | 45 | 45 |
| 6转1#皮带机 | 1 | 155 | 155 |
| 6转2#皮带机 | 1 | 185 | 185 |
| 45#皮带 | 1 | 30 | 30 |
| 43#皮带机 | 1 | 30 | 30 |
| 西蒙斯破碎机 | 2 | 400 | 800 |
| 合计 | | 1 447 | 3 742 |
| 改造后新增设备 | 转运皮带 | 1 | 200 | 200 |
| 转运小皮带 | 2 | 30 | 60 |
| CH870圆锥破碎机 | 2 | 600 | 1 200 |
| CH870圆锥破碎机 | 2 | 600 | 1 200 |
| 振动筛2YA2460 | 5 | 30 | 150 |
| 除铁器B=1 600 mm | 1 | 5.5 | 5.5 |
| 合计 | | 1 465.5 | 2 815.5 |
| 技改前后功率差 | | | | 926.5 |
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山下选区破碎系统改造后设备变化
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| 项目 | 主要可比工艺设备 | 数量 | 功率/kW | 总功率/kW |
| 改造后减少的设备 | 中碎Φ2 200圆锥破碎机 | 3 | 260 | 780 |
| 细碎Φ2 200圆锥破碎机 | 6 | 260 | 1 560 |
| 惯性振动筛1836 | 6 | 15 | 90 |
| 9-2#皮带机 | 1 | 22 | 22 |
| 14#皮带机 | 1 | 45 | 45 |
| 30#皮带机 | 1 | 45 | 45 |
| 6转1#皮带机 | 1 | 155 | 155 |
| 6转2#皮带机 | 1 | 185 | 185 |
| 45#皮带 | 1 | 30 | 30 |
| 43#皮带机 | 1 | 30 | 30 |
| 西蒙斯破碎机 | 2 | 400 | 800 |
| 合计 | | 1 447 | 3 742 |
| 改造后新增设备 | 转运皮带 | 1 | 200 | 200 |
| 转运小皮带 | 2 | 30 | 60 |
| CH870圆锥破碎机 | 2 | 600 | 1 200 |
| CH870圆锥破碎机 | 2 | 600 | 1 200 |
| 振动筛2YA2460 | 5 | 30 | 150 |
| 除铁器B=1 600 mm | 1 | 5.5 | 5.5 |
| 合计 | | 1 465.5 | 2 815.5 |
| 技改前后功率差 | | | | 926.5 |
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| 名称 | 规格 | 数量 | 总价/万元 |
| 中碎机 | CH870 | 2 | 1 100 |
| 细碎机 | CH870 | 2 | 1 100 |
| 转运皮带 | B1600,水平输送距离L≈200 m | 1 | 150 |
| 转运皮带 | B1600,水平输送距离L≈15 m | 2 | 60 |
| 振动筛 | 2YA2460 | 5 | 200 |
| 除铁器 | B1600 | 2 | 80 |
| 除尘风机 | | 2 | 160 |
| 合计 | | 16 | 2 850 |
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新增设备投资表
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| 名称 | 规格 | 数量 | 总价/万元 |
| 中碎机 | CH870 | 2 | 1 100 |
| 细碎机 | CH870 | 2 | 1 100 |
| 转运皮带 | B1600,水平输送距离L≈200 m | 1 | 150 |
| 转运皮带 | B1600,水平输送距离L≈15 m | 2 | 60 |
| 振动筛 | 2YA2460 | 5 | 200 |
| 除铁器 | B1600 | 2 | 80 |
| 除尘风机 | | 2 | 160 |
| 合计 | | 16 | 2 850 |
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| 序号 | 项目名称 | 估算投资 /万元 | 占总投资比例 /% |
| 1 | 建筑工程费 | 300 | 7.19 |
| 2 | 设备费 | 2 850 | 68.31 |
| 3 | 安装工程费 | 315 | 7.55 |
| 4 | 勘察设计费 | 124 | 2.97 |
| 5 | 29变电所及节能电气改造费 | 350 | 8.40 |
| 6 | 预备费 | 233 | 5.58 |
| 合计 | 总投资估算 | 4 172 | 100.00 |
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工程投资构成表
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| 序号 | 项目名称 | 估算投资 /万元 | 占总投资比例 /% |
| 1 | 建筑工程费 | 300 | 7.19 |
| 2 | 设备费 | 2 850 | 68.31 |
| 3 | 安装工程费 | 315 | 7.55 |
| 4 | 勘察设计费 | 124 | 2.97 |
| 5 | 29变电所及节能电气改造费 | 350 | 8.40 |
| 6 | 预备费 | 233 | 5.58 |
| 合计 | 总投资估算 | 4 172 | 100.00 |
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