Article(id=1322909403225141371, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322909380756243363, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1728489600000, receivedDateStr=2024-10-10, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793335780196, onlineDateStr=2026-10-30, pubDate=1745510400000, pubDateStr=2025-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793335780196, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793335780196, creator=13701087609, updateTime=1793335780196, updator=13701087609, issue=Issue{id=1322909380756243363, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='4', pageStart='1', pageEnd='288', issueExtLink='null', onlineDate='null', pubDate='1745510400000', pubDateStr='2025-04-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793335774840, creator='13701087609', updateTime=1793335774840, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=63, endPage=69, ext={EN=ArticleExt(id=1322909403409690748, articleId=1322909403225141371, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Optimization of Slurry Pipeline Transportation Process Parameters Under Variable Filling Gradients, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Advancements in exploration theory and equipment have significantly enhanced mine reserve expansion. However, adapting new resources in the deep periphery of mines to existing production systems requires reassessment. Green stoping-and-filling operations face challenges from varying filling gradients and existing slurry pipeline transportation parameters that no longer meet practical demands. To address these challenges, tests were conducted on the particle size distribution of backfill materials and slurry flow performance at the mine. Results identify that a reasonable range of slurry mass concentration is 70%-72%. Through theoretical analysis and calculation, the matching degree between the design parameters of the existing filling system and the orebody filling gradients was verified. The maximum gravity flow filling gradients of the slurry mass concentration of 70% and 72% are 9.31 and 5.56, respectively. Simulation models were constructed to verify the correctness of theoretical analysis. The results show that a 72% slurry mass concentration is suitable for gravity flow transportation in older mine zones with filling gradients of 2.3-4.9, while reducing concentration to 70% enables gravity filling in high-gradient goafs with filling gradients of 7.2-8.7 in newly developed zones. For the mine to achieve optimal technical and economic performance, two schemes are proposed:implementing additional pumps to transport slurry with a mass concentration of 72% under pressure(first scheme), and utilizing slurry with a mass concentration of 70% for gravity flow (second scheme). A comparative analysis shows that the first scheme has obvious advantages and disadvantages, while the second scheme requires no technical modification, offers a more reliable process, and reduces operational costs by RMB 2 334 500 compared to the first scheme. Therefore, the second scheme is the preferred option.
, authors=Ke JIANG
1, 2, Junting DONG
3, Moufang JIANG
1, Liang PENG
1, 2, Jixiang XING
3, Bokun ZHENG
1, 2, Tenglong HUANG
1, 2, Can WU
1, 2, authorsList=Ke JIANG, Junting DONG, Moufang JIANG, Liang PENG, Jixiang XING, Bokun ZHENG, Tenglong HUANG, Can WU, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322909407360725135, articleId=1322909403225141371, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=充填倍线变化条件下的料浆管道输送工艺参数优化研究, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=
矿山增储工作随着勘探理论发展和设备应用取得了长足的进步,大量矿山边深部新增资源的开发利用与现有生产系统的匹配度需重新论证,绿色充填回采面临充填倍线变化幅度大,原有料浆管道输送参数无法满足实际需求等问题。对矿山充填材料粒度分布、充填料浆流动性能等进行试验,确定合理的料浆输送质量浓度为70%~72%;通过理论分析计算,验证已有充填系统设计参数与矿体充填倍线的匹配度,质量浓度为70%和72%的料浆可实现的最大自流输送倍线分别为9.31和5.56;构建仿真模型验证理论分析的正确性。结果表明,质量浓度为72%时料浆可满足矿山老矿体2.3~4.9充填倍线采场自流输送的需求,而适当降低质量浓度至70%,能实现充填倍线7.2~8.7的新增矿体大倍线采空区自流充填的需求。为使矿山取得最佳技术经济效益,提出增设充填泵加压输送质量浓度72%料浆(方案一)和质量浓度70%的料浆自流输送(方案二),通过综合对比分析,方案一具有明显的优缺点,方案二无需技改、工艺流程更可靠,且方案二较方案一可节省充填运营成本约233.45 万元/a,故方案二更优。
, authors=江科
1, 2, 董军庭
3, 蒋谋芳
1, 彭亮
1, 2, 幸吉祥
3, 郑伯坤
1, 2, 黄腾龙
1, 2, 吴灿
1, 2, authorsList=江科, 董军庭, 蒋谋芳, 彭亮, 幸吉祥, 郑伯坤, 黄腾龙, 吴灿, authorCompany=null, correspAuthors=null, authorNote=
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1, 2, address=
1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
2.State Key Laboratory of Safety Technology of Metal Mine, Changsha, Hunan 410012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322909408199585950, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, authorId=1322909408031813786, language=CN, stringName=江科, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.长沙矿山研究院有限责任公司,湖南 长沙 410012
2.金属矿山安全技术国家重点实验室,湖南 长沙 410012, bio={"content":"
江科(1992—),男,湖北天门人,硕士,高级工程师,主要从事矿山绿色开采及安全相关的研究工作。E-mail:Jiangk92@163.com
"}, bioImg=null, bioContent=
江科(1992—),男,湖北天门人,硕士,高级工程师,主要从事矿山绿色开采及安全相关的研究工作。E-mail:Jiangk92@163.com
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2.State Key Laboratory of Safety Technology of Metal Mine, Changsha, Hunan 410012, China), AuthorCompanyExt(id=1322909407889207445, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, companyId=1322909407872430227, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.金属矿山安全技术国家重点实验室,湖南 长沙 410012)])]), Author(id=1322909408275083424, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322909408354775202, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, authorId=1322909408275083424, language=EN, stringName=Junting DONG, firstName=Junting, middleName=null, lastName=DONG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.Fujian Makeng Mining Co., Ltd., Longyan, Fujian 364000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322909408426078371, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, authorId=1322909408275083424, language=CN, stringName=董军庭, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.福建马坑矿业股份有限公司,福建 龙岩市 364000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322909407947927702, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, xref=3., ext=[AuthorCompanyExt(id=1322909407960510615, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, companyId=1322909407947927702, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Fujian Makeng Mining Co., Ltd., Longyan, Fujian 364000, China), AuthorCompanyExt(id=1322909407968899224, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, companyId=1322909407947927702, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.福建马坑矿业股份有限公司,福建 龙岩市 364000)])]), Author(id=1322909408484798629, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322909410158325927, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, authorId=1322909408484798629, language=EN, stringName=Moufang JIANG, firstName=Moufang, middleName=null, lastName=JIANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322909410242212008, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, authorId=1322909408484798629, language=CN, stringName=蒋谋芳, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.长沙矿山研究院有限责任公司,湖南 长沙 410012, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322909407687880848, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, xref=1., ext=[AuthorCompanyExt(id=1322909407700463761, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, companyId=1322909407687880848, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China), AuthorCompanyExt(id=1322909407713046674, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, companyId=1322909407687880848, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.长沙矿山研究院有限责任公司,湖南 长沙 410012)])]), Author(id=1322909410321903786, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322909410489675949, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, authorId=1322909410321903786, language=EN, stringName=Liang PENG, firstName=Liang, middleName=null, lastName=PENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
2.State Key Laboratory of Safety Technology of Metal Mine, Changsha, Hunan 410012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322909410577756334, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, authorId=1322909410321903786, language=CN, stringName=彭亮, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.长沙矿山研究院有限责任公司,湖南 长沙 410012
2.金属矿山安全技术国家重点实验室,湖南 长沙 410012, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322909407687880848, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, xref=1., ext=[AuthorCompanyExt(id=1322909407700463761, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, companyId=1322909407687880848, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.State Key Laboratory of Safety Technology of Metal Mine, Changsha, Hunan 410012, China), AuthorCompanyExt(id=1322909407889207445, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, companyId=1322909407872430227, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.金属矿山安全技术国家重点实验室,湖南 长沙 410012)])]), Author(id=1322909410649059504, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322909410741334194, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, authorId=1322909410649059504, language=EN, stringName=Jixiang XING, firstName=Jixiang, middleName=null, lastName=XING, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.Fujian Makeng Mining Co., Ltd., Longyan, Fujian 364000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322909410821025971, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, authorId=1322909410649059504, language=CN, stringName=幸吉祥, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.福建马坑矿业股份有限公司,福建 龙岩市 364000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322909407947927702, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, xref=3., ext=[AuthorCompanyExt(id=1322909407960510615, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, companyId=1322909407947927702, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.福建马坑矿业股份有限公司,福建 龙岩市 364000)])]), Author(id=1322909410909106357, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, orderNo=5, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322909410997186744, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, authorId=1322909410909106357, language=EN, stringName=Bokun ZHENG, firstName=Bokun, middleName=null, lastName=ZHENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
2.State Key Laboratory of Safety Technology of Metal Mine, Changsha, Hunan 410012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322909411102044345, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, authorId=1322909410909106357, language=CN, stringName=郑伯坤, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
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2.金属矿山安全技术国家重点实验室,湖南 长沙 410012)]), AuthorCompany(id=1322909407947927702, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, xref=3., ext=[AuthorCompanyExt(id=1322909407960510615, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, companyId=1322909407947927702, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Fujian Makeng Mining Co., Ltd., Longyan, Fujian 364000, China), AuthorCompanyExt(id=1322909407968899224, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, companyId=1322909407947927702, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.福建马坑矿业股份有限公司,福建 龙岩市 364000)])], figs=[ArticleFig(id=1322909412536496336, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=EN, label=Fig.1, caption=
Filling process, figureFileSmall=vCnY4Il4svu37sV8rIri8g==, figureFileBig=viTfvx9K0uSoVwKuEMYWbQ==, tableContent=null), ArticleFig(id=1322909412607799505, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=CN, label=图1, caption=
充填工艺流程, figureFileSmall=vCnY4Il4svu37sV8rIri8g==, figureFileBig=viTfvx9K0uSoVwKuEMYWbQ==, tableContent=null), ArticleFig(id=1322909412796543186, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=EN, label=Fig.2, caption=
Cloud diagrams of pressure and flow velocity of slurry under different parameter conditions, figureFileSmall=Bjl5KCSRoCgnczJKMCKkDQ==, figureFileBig=02Xp2lAfqkjTEvXSlj4lVg==, tableContent=null), ArticleFig(id=1322909412863652051, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=CN, label=图2, caption=
不同参数条件下料浆压力及流速分布云图, figureFileSmall=Bjl5KCSRoCgnczJKMCKkDQ==, figureFileBig=02Xp2lAfqkjTEvXSlj4lVg==, tableContent=null), ArticleFig(id=1322909412939149524, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=EN, label=Fig.3, caption=
Filling chamber configuration, figureFileSmall=aikVUKB63dYfD+Wl1rhMkg==, figureFileBig=fXwTLqUP8HNtdkqhcHQ8MQ==, tableContent=null), ArticleFig(id=1322909414583316693, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=CN, label=图3, caption=
充填硐室配置, figureFileSmall=aikVUKB63dYfD+Wl1rhMkg==, figureFileBig=fXwTLqUP8HNtdkqhcHQ8MQ==, tableContent=null), ArticleFig(id=1322909414667202774, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=EN, label=Fig.4, caption=
Relationship between filling strength and cementing agent consumption under different mass concentrations, figureFileSmall=AKSF1bU5yjGU8AGNfojKZg==, figureFileBig=oVRZexRMGCYiD9fZjrQgsA==, tableContent=null), ArticleFig(id=1322909414767866071, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=CN, label=图4, caption=
不同质量浓度条件下充填体强度与胶结剂用量关系, figureFileSmall=AKSF1bU5yjGU8AGNfojKZg==, figureFileBig=oVRZexRMGCYiD9fZjrQgsA==, tableContent=null), ArticleFig(id=1322909414851752152, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=EN, label=Table 1, caption=
Particle size test data for filling materials
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒径/μm | 全尾砂/% | 灰砂比1:4/% | 灰砂比1:20/% |
|---|
| -5 | 12.37 | 14.89 | 13.88 |
| -10 | 22.87 | 25.34 | 23.91 |
| -20 | 34.96 | 40.28 | 36.28 |
| -50 | 52.66 | 60.19 | 55.21 |
| -75 | 61.82 | 70.76 | 64.45 |
| -150 | 80.51 | 88.92 | 84.97 |
| -250 | 93.61 | 97.35 | 95.19 |
| -500 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1322909414935638233, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=CN, label=表1, caption=
充填材料粒度测试数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒径/μm | 全尾砂/% | 灰砂比1:4/% | 灰砂比1:20/% |
|---|
| -5 | 12.37 | 14.89 | 13.88 |
| -10 | 22.87 | 25.34 | 23.91 |
| -20 | 34.96 | 40.28 | 36.28 |
| -50 | 52.66 | 60.19 | 55.21 |
| -75 | 61.82 | 70.76 | 64.45 |
| -150 | 80.51 | 88.92 | 84.97 |
| -250 | 93.61 | 97.35 | 95.19 |
| -500 | 100.00 | 100.00 | 100.00 |
), ArticleFig(id=1322909415032107226, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=EN, label=Table 2, caption=
Results of slump test
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量浓度/% | 坍落度值/cm |
|---|
| 74 | 25.9 |
| 72 | 27.4 |
| 70 | 28.7 |
| 68 | 29.2 |
), ArticleFig(id=1322909415132770523, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=CN, label=表2, caption=
坍落度测试结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量浓度/% | 坍落度值/cm |
|---|
| 74 | 25.9 |
| 72 | 27.4 |
| 70 | 28.7 |
| 68 | 29.2 |
), ArticleFig(id=1322909415225045212, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=EN, label=Table 3, caption=
Rheological parameters of filling slurry
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量浓度/% | 容重γ/(N/m3) | 屈服剪切应力τ0/Pa | 黏性系数η/(Pa·s) |
|---|
| 70 | 19 993.0 | 6.337 | 0.479 |
| 72 | 20 558.3 | 12.761 | 0.807 |
), ArticleFig(id=1322909415296348381, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=CN, label=表3, caption=
充填料浆流变参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量浓度/% | 容重γ/(N/m3) | 屈服剪切应力τ0/Pa | 黏性系数η/(Pa·s) |
|---|
| 70 | 19 993.0 | 6.337 | 0.479 |
| 72 | 20 558.3 | 12.761 | 0.807 |
), ArticleFig(id=1322909415367651550, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=EN, label=Table 4, caption=
Simulation model for transport flow
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量浓度/% | 模型类别 | 充填倍线 | 输送流量/(m3/h) |
|---|
| 72 | Ⅰ | 5 | 209.8 |
| Ⅱ | 7 | 131.8 |
| 70 | Ⅱ | 7 | 215.9 |
| Ⅲ | 9 | 203.8 |
), ArticleFig(id=1322909415447343327, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=CN, label=表4, caption=
仿真模型输送流量分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 质量浓度/% | 模型类别 | 充填倍线 | 输送流量/(m3/h) |
|---|
| 72 | Ⅰ | 5 | 209.8 |
| Ⅱ | 7 | 131.8 |
| 70 | Ⅱ | 7 | 215.9 |
| Ⅲ | 9 | 203.8 |
), ArticleFig(id=1322909415522840800, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=EN, label=Table 5, caption=
Cementing agent consumption corresponding to filling strength
, figureFileSmall=null, figureFileBig=null, tableContent=
| 强度要求/MPa | 所占比例/% | 胶结剂用量/(kg/m3) |
|---|
| 质量浓度72% | 质量浓度70% |
|---|
| 3.0 | 20.7 | 161.4 | 182.5 |
| 2.5 | 16.5 | 146.3 | 164.2 |
| 2.0 | 18.4 | 132.2 | 147.4 |
| 1.5 | 3.2 | 115.7 | 129.5 |
| 0.5 | 41.2 | 62.9 | 78.8 |
| 综合 | 100.0 | 111.5 | 128.6 |
), ArticleFig(id=1322909415598338273, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=CN, label=表5, caption=
充填体强度对应的胶结剂用量
, figureFileSmall=null, figureFileBig=null, tableContent=
| 强度要求/MPa | 所占比例/% | 胶结剂用量/(kg/m3) |
|---|
| 质量浓度72% | 质量浓度70% |
|---|
| 3.0 | 20.7 | 161.4 | 182.5 |
| 2.5 | 16.5 | 146.3 | 164.2 |
| 2.0 | 18.4 | 132.2 | 147.4 |
| 1.5 | 3.2 | 115.7 | 129.5 |
| 0.5 | 41.2 | 62.9 | 78.8 |
| 综合 | 100.0 | 111.5 | 128.6 |
), ArticleFig(id=1322909415678030050, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=EN, label=Table 6, caption=
Technical and economic comparison of two schemes
, figureFileSmall=null, figureFileBig=null, tableContent=
| 对比内容 | 方案一 | 方案二 |
|---|
| 技术优点 | ①充分结合自流、泵送工艺,在充填倍线约为4的区域构建充填泵硐室; | ①无需技改; |
| ②提高输送浓度,避免增加胶结剂用量。 | ②工艺可靠性高。 |
| 技术缺点 | ①需新增投资; | |
| ②可靠性不如自流工艺; | 综合灰砂比大,胶结剂费用高。 |
| ③增加备品备件、电耗、人工等费用; |
| ④硐室较大,需持续安全监测。 |
| 新增成本分析 | ①新增投资:硐室(25 m×10 m×10 m)和附属设施开挖、支护及后期维护费用约155 万元;新增充填泵、电气控制、行车、液下渣浆泵等设备费用760 万元;合计915 万元,固定资产摊销约1.6 元/m3。 | 按表5计算结果,胶结剂用量增大17.1 kg/m3,胶结剂单价320 元/t,新增成本5.5 元/m3。 |
| ②新增运营费用:值守人员、电费、备品备件、管理费用摊销约6.8 元/m3。 |
), ArticleFig(id=1322909415770304739, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322909403225141371, language=CN, label=表6, caption=
两种方案技术经济比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 对比内容 | 方案一 | 方案二 |
|---|
| 技术优点 | ①充分结合自流、泵送工艺,在充填倍线约为4的区域构建充填泵硐室; | ①无需技改; |
| ②提高输送浓度,避免增加胶结剂用量。 | ②工艺可靠性高。 |
| 技术缺点 | ①需新增投资; | |
| ②可靠性不如自流工艺; | 综合灰砂比大,胶结剂费用高。 |
| ③增加备品备件、电耗、人工等费用; |
| ④硐室较大,需持续安全监测。 |
| 新增成本分析 | ①新增投资:硐室(25 m×10 m×10 m)和附属设施开挖、支护及后期维护费用约155 万元;新增充填泵、电气控制、行车、液下渣浆泵等设备费用760 万元;合计915 万元,固定资产摊销约1.6 元/m3。 | 按表5计算结果,胶结剂用量增大17.1 kg/m3,胶结剂单价320 元/t,新增成本5.5 元/m3。 |
| ②新增运营费用:值守人员、电费、备品备件、管理费用摊销约6.8 元/m3。 |
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