Article(id=1322164716156342490, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164546295410919, 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=1731686400000, receivedDateStr=2024-11-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793158232964, onlineDateStr=2026-10-28, pubDate=1764000000000, pubDateStr=2025-11-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793158232964, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793158232964, creator=13701087609, updateTime=1793158232964, updator=13701087609, issue=Issue{id=1322164546295410919, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='11', pageStart='1', pageEnd='284', issueExtLink='null', onlineDate='null', pubDate='1764000000000', pubDateStr='2025-11-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793158192465, creator='13701087609', updateTime=1793158905697, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322167537857573862, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164546295410919, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322167537861768167, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164546295410919, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=277, endPage=284, ext={EN=ArticleExt(id=1322164716332503259, articleId=1322164716156342490, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Simulation Study on the Influence of Ore Moisture Content on the Crushing Effect of High-Pressure Roller Grinding, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The optimization of the crushing effect of high-pressure roller grinding is of crucial importance in relation to the enhancement of ore processing efficiency, the reduction of energy consumption, and the elevation of product quality. In order to investigate the influence of ore moisture content on the crushing effect of high-pressure rollers, with the magnetite ore from eastern Hebei selected as the research specimen, the interaction between high-pressure rollers and particles under different feed moisture content conditions was simulated by the combination with SolidWorks modeling and EDEM simulation. The simulation results indicate that, as the particle surface energy increases from 0 to 25 J/m2, the crushing effect in the high-pressure roller initially strengthens and then weakens, when the particle surface energy reaches 20 J/m2, the crushing effect is the best. Open-circuit test results under different feed moisture conditions show that as the feed moisture content rises from 0.11% to 6%, the crushing performance of the high-pressure roller first improves and then deteriorates, aligning with the simulation trends. When the feed moisture content is within the 1.5% to 4.5% range, the product particle size after crushing is finer, and the crushing effect is more favorable.
, authors=Sanyang LIU
1, Chenglong ZHANG
2, Libing ZHAO
1, Youbang LAI
2, Zhaoyong WU
3, Di ZHANG
1, Mingmei LI
1, authorsList=Sanyang LIU, Chenglong ZHANG, Libing ZHAO, Youbang LAI, Zhaoyong WU, Di ZHANG, Mingmei LI, authorCompany=null, correspAuthors=Libing ZHAO, 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=1322164718710673650, articleId=1322164716156342490, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=矿石含水率对高压辊磨机粉碎效果影响的仿真模拟研究, columnId=1226462297560892399, journalTitle=矿业研究与开发, columnName=选矿与资源综合利用, runingTitle=null, highlight=null, articleAbstract=
优化高压辊磨机的粉碎效果对于提高矿石加工效率、降低能耗和提高产品质量具有重要意义。为探究矿石含水率对高压辊粉碎效果的影响,以冀东地区磁铁矿石为研究对象,采用颗粒表面能表征物料的含水率,结合SolidWorks建模和EDEM仿真,对不同入料含水率条件下高压辊与颗粒间的相互作用开展模拟研究。仿真结果表明,当颗粒表面能从0增加到25 J/m2时,颗粒在高压辊中的粉碎效果呈先增强后减弱的趋势,颗料表面能达到20 J/m2时粉碎效果最优。不同入料含水率条件下的高压辊开路试验结果表明,入料含水率由0.11%增大到6%时,高压辊粉碎效果不断优化后变差,与仿真结果规律一致;入料含水率在1.5%~4.5%范围时,高压辊磨机粉碎后的产品粒度更细,粉碎效果较好。
, authors=刘三阳
1, 张成龙
2, 赵礼兵
1, 来有邦
2, 吴照永
3, 张迪
1, 栗明媚
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1.华北理工大学 矿业工程学院,河北 唐山市 063210, bio={"content":"
刘三阳(1999—),男,山东临沂人,硕士研究生,研究方向为矿产综合利用。E-mail:Lsy63y@163.com
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刘三阳(1999—),男,山东临沂人,硕士研究生,研究方向为矿产综合利用。E-mail:Lsy63y@163.com
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178: 107428., articleTitle=Coupled DEM-MBD-PRM simulations of high-pressure grinding rolls. part 2: investigation of roll skewing, refAbstract=null)], funds=[Fund(id=1322164724146491717, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, awardId=HG2022137, language=CN, fundingSource=河钢集团有限公司重点科技项目(HG2022137), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1322164718966526195, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, xref=1., ext=[AuthorCompanyExt(id=1322164718974914804, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, companyId=1322164718966526195, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.昆明佩思矿业工程设计有限公司,云南 昆明 650032)])], figs=[ArticleFig(id=1322164721889956137, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Fig.1, caption=
3D model of high-pressure roller, figureFileSmall=NEJWG5Jx1pUW+lb044VF5w==, figureFileBig=ZTymKcn/nuYWOfqeCV7Dcw==, tableContent=null), ArticleFig(id=1322164721986425130, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=图1, caption=
高压辊三维模型, figureFileSmall=NEJWG5Jx1pUW+lb044VF5w==, figureFileBig=ZTymKcn/nuYWOfqeCV7Dcw==, tableContent=null), ArticleFig(id=1322164722170974507, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Fig.2, caption=
Size, shape and internal particle filling diagrams of three types of large particle models, figureFileSmall=n0sGOYIv6cFKOK9eoJb+pA==, figureFileBig=ofo6pC7wstKzS0hX9fzQDQ==, tableContent=null), ArticleFig(id=1322164722242277676, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=图2, caption=
3种大颗粒模型尺寸、外形及内部颗粒填充图, figureFileSmall=n0sGOYIv6cFKOK9eoJb+pA==, figureFileBig=ofo6pC7wstKzS0hX9fzQDQ==, tableContent=null), ArticleFig(id=1322164722321969453, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Fig.3, caption=
The average velocity curve of particles under different particle surface energies, figureFileSmall=8NhcGuvuFHu5LV13z4YKag==, figureFileBig=D8Zz4yFy3xeTgtFL2xzzsw==, tableContent=null), ArticleFig(id=1322164722397466926, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=图3, caption=
不同颗粒表面能下的颗粒平均速度曲线, figureFileSmall=8NhcGuvuFHu5LV13z4YKag==, figureFileBig=D8Zz4yFy3xeTgtFL2xzzsw==, tableContent=null), ArticleFig(id=1322164722464575791, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Fig.4, caption=
Particle velocity cloud diagrams under different surface energies, figureFileSmall=rBs8fgEDniw+L/rl+WtBBg==, figureFileBig=7aHY0LuBzwRpBlJHd5d9tQ==, tableContent=null), ArticleFig(id=1322164722527490352, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=图4, caption=
不同表面能下的颗粒速度云图, figureFileSmall=rBs8fgEDniw+L/rl+WtBBg==, figureFileBig=7aHY0LuBzwRpBlJHd5d9tQ==, tableContent=null), ArticleFig(id=1322164722594599217, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Fig.5, caption=
Average energy of particles under different surface energies, figureFileSmall=yIM+oFGBiLAdkkQWpOy8Dw==, figureFileBig=Nn57VRRvO+8awyZHVFr91w==, tableContent=null), ArticleFig(id=1322164722661708082, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=图5, caption=
不同表面能下的颗粒平均能量, figureFileSmall=yIM+oFGBiLAdkkQWpOy8Dw==, figureFileBig=Nn57VRRvO+8awyZHVFr91w==, tableContent=null), ArticleFig(id=1322164722733011251, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Fig.6, caption=
Energy cloud diagrams under different surface energies, figureFileSmall=4KEMNlDeGydMpjSZKqesvQ==, figureFileBig=5gum87G1rBcs3FkyyDmv1g==, tableContent=null), ArticleFig(id=1322164722825285940, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=图6, caption=
不同表面能下的能量云图, figureFileSmall=4KEMNlDeGydMpjSZKqesvQ==, figureFileBig=5gum87G1rBcs3FkyyDmv1g==, tableContent=null), ArticleFig(id=1322164722888200501, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Fig.7, caption=
The proportion of different particle sizes under different surface energies, figureFileSmall=z2cGs1990GXNc5fYJ0WCEQ==, figureFileBig=0Lwu1LJY2YlAhoF18s+tLg==, tableContent=null), ArticleFig(id=1322164722951115062, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=图7, caption=
不同表面能下的各粒级颗粒的占比, figureFileSmall=z2cGs1990GXNc5fYJ0WCEQ==, figureFileBig=0Lwu1LJY2YlAhoF18s+tLg==, tableContent=null), ArticleFig(id=1322164723009835319, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Fig.8, caption=
Particle size accumulation curves of rolled products under different feed moisture contents, figureFileSmall=m4/a2rCmM9g6h8y1b3JUhA==, figureFileBig=RXVGLZq0SAqhAmhqyZvYoQ==, tableContent=null), ArticleFig(id=1322164723085332792, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=图8, caption=
不同入料含水率下的辊压产品粒度累积曲线, figureFileSmall=m4/a2rCmM9g6h8y1b3JUhA==, figureFileBig=RXVGLZq0SAqhAmhqyZvYoQ==, tableContent=null), ArticleFig(id=1322164723144053049, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Table 1, caption=
Material characteristic parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 泊松比 | 密度/(kg/m3) | 杨氏模量/Pa |
|---|
| 铁矿石 | 0.25 | 3 639 | 2×109 |
| 钢 | 0.30 | 7 800 | 7×1010 |
), ArticleFig(id=1322164723206967610, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=表1, caption=
材料特性参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 泊松比 | 密度/(kg/m3) | 杨氏模量/Pa |
|---|
| 铁矿石 | 0.25 | 3 639 | 2×109 |
| 钢 | 0.30 | 7 800 | 7×1010 |
), ArticleFig(id=1322164723282465083, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Table 2, caption=
Material contact parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 恢复系数 | 静摩擦因数 | 滚动摩擦因数 |
|---|
| 矿石与矿石 | 0.20 | 0.55 | 0.51 |
| 介质与钢 | 0.15 | 0.49 | 0.47 |
), ArticleFig(id=1322164723362156860, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=表2, caption=
材料接触参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 恢复系数 | 静摩擦因数 | 滚动摩擦因数 |
|---|
| 矿石与矿石 | 0.20 | 0.55 | 0.51 |
| 介质与钢 | 0.15 | 0.49 | 0.47 |
), ArticleFig(id=1322164723441848637, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Table 3, caption=
Sieve analysis results of particle size composition of test raw materials
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒级/mm | 试验原料 |
|---|
| 产率/% | 累积含量/% |
|---|
| +15 | 21.69 | 100.00 |
| -15~+10 | 34.47 | 78.31 |
| -10~+8 | 7.62 | 43.84 |
| -8~+6 | 11.50 | 36.21 |
| -6~+3 | 6.83 | 24.71 |
| -3~+2 | 2.39 | 17.88 |
| -2~+1 | 4.64 | 15.49 |
| -1~+0.5 | 2.75 | 10.86 |
| -0.5~+0.2 | 1.90 | 8.10 |
| -0.2~+0.15 | 0.53 | 6.21 |
| -0.15~+0.074 | 2.01 | 5.67 |
| -0.074 | 3.66 | 3.66 |
| 合计 | 100.00 | — |
), ArticleFig(id=1322164723521540414, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=表3, caption=
试验原料粒度组成筛析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒级/mm | 试验原料 |
|---|
| 产率/% | 累积含量/% |
|---|
| +15 | 21.69 | 100.00 |
| -15~+10 | 34.47 | 78.31 |
| -10~+8 | 7.62 | 43.84 |
| -8~+6 | 11.50 | 36.21 |
| -6~+3 | 6.83 | 24.71 |
| -3~+2 | 2.39 | 17.88 |
| -2~+1 | 4.64 | 15.49 |
| -1~+0.5 | 2.75 | 10.86 |
| -0.5~+0.2 | 1.90 | 8.10 |
| -0.2~+0.15 | 0.53 | 6.21 |
| -0.15~+0.074 | 2.01 | 5.67 |
| -0.074 | 3.66 | 3.66 |
| 合计 | 100.00 | — |
), ArticleFig(id=1322164723601232191, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Table 4, caption=
Particle size distribution of rolled products under different feed moisture contents
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒级/mm | 0.11%含水率 | 1.5%含水率 | 3%含水率 | 4.5%含水率 | 6%含水率 |
|---|
| 产率/% | 负累积/% | 产率/% | 负累积/% | 产率/% | 负累积/% | 产率/% | 负累积/% | 产率/% | 负累积/% |
|---|
| +6 | 15.30 | 100.00 | 15.39 | 100.00 | 11.43 | 100.00 | 12.33 | 100.00 | 16.38 | 100.00 |
| -6~+5 | 7.32 | 84.70 | 4.97 | 84.61 | 4.82 | 88.57 | 5.09 | 87.67 | 4.09 | 83.62 |
| -5~+3 | 20.65 | 77.38 | 19.48 | 79.64 | 19.43 | 83.75 | 18.44 | 82.58 | 22.22 | 79.53 |
| -3~+2 | 5.99 | 56.73 | 5.59 | 60.16 | 6.06 | 64.32 | 5.62 | 64.14 | 6.46 | 57.31 |
| -2~+1 | 14.92 | 50.74 | 15.62 | 54.57 | 17.94 | 58.26 | 15.45 | 58.52 | 15.73 | 50.85 |
| -1~+0.5 | 6.88 | 35.82 | 7.99 | 38.95 | 8.98 | 40.32 | 8.31 | 43.07 | 7.21 | 35.12 |
| -0.5~+0.22 | 5.35 | 28.94 | 6.07 | 30.96 | 6.45 | 31.34 | 6.73 | 34.76 | 5.17 | 27.91 |
| -0.22~+0.15 | 9.80 | 23.59 | 7.71 | 24.89 | 8.43 | 24.89 | 11.78 | 28.03 | 8.21 | 22.74 |
| -0.15~+0.074 | 1.68 | 13.79 | 3.30 | 17.18 | 2.86 | 16.46 | 2.15 | 16.25 | 2.10 | 14.53 |
| -0.074 | 12.10 | 12.10 | 13.88 | 13.88 | 13.60 | 13.60 | 14.10 | 14.10 | 12.43 | 12.43 |
| 合计 | 100.00 | — | 100.00 | — | 100.00 | — | 100.00 | — | 100.00 | — |
), ArticleFig(id=1322164723697701184, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=表4, caption=
不同入料含水率下的辊压产品的粒度分布
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒级/mm | 0.11%含水率 | 1.5%含水率 | 3%含水率 | 4.5%含水率 | 6%含水率 |
|---|
| 产率/% | 负累积/% | 产率/% | 负累积/% | 产率/% | 负累积/% | 产率/% | 负累积/% | 产率/% | 负累积/% |
|---|
| +6 | 15.30 | 100.00 | 15.39 | 100.00 | 11.43 | 100.00 | 12.33 | 100.00 | 16.38 | 100.00 |
| -6~+5 | 7.32 | 84.70 | 4.97 | 84.61 | 4.82 | 88.57 | 5.09 | 87.67 | 4.09 | 83.62 |
| -5~+3 | 20.65 | 77.38 | 19.48 | 79.64 | 19.43 | 83.75 | 18.44 | 82.58 | 22.22 | 79.53 |
| -3~+2 | 5.99 | 56.73 | 5.59 | 60.16 | 6.06 | 64.32 | 5.62 | 64.14 | 6.46 | 57.31 |
| -2~+1 | 14.92 | 50.74 | 15.62 | 54.57 | 17.94 | 58.26 | 15.45 | 58.52 | 15.73 | 50.85 |
| -1~+0.5 | 6.88 | 35.82 | 7.99 | 38.95 | 8.98 | 40.32 | 8.31 | 43.07 | 7.21 | 35.12 |
| -0.5~+0.22 | 5.35 | 28.94 | 6.07 | 30.96 | 6.45 | 31.34 | 6.73 | 34.76 | 5.17 | 27.91 |
| -0.22~+0.15 | 9.80 | 23.59 | 7.71 | 24.89 | 8.43 | 24.89 | 11.78 | 28.03 | 8.21 | 22.74 |
| -0.15~+0.074 | 1.68 | 13.79 | 3.30 | 17.18 | 2.86 | 16.46 | 2.15 | 16.25 | 2.10 | 14.53 |
| -0.074 | 12.10 | 12.10 | 13.88 | 13.88 | 13.60 | 13.60 | 14.10 | 14.10 | 12.43 | 12.43 |
| 合计 | 100.00 | — | 100.00 | — | 100.00 | — | 100.00 | — | 100.00 | — |
), ArticleFig(id=1322164723785781569, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Table 5, caption=
Regression results of R-R equation for rolled products under different moisture contents
, figureFileSmall=null, figureFileBig=null, tableContent=
| 含水率/% | m | b | 决定性系数R2 |
|---|
| 0.11 | 0.583 6 | 0.526 8 | 0.969 7 |
| 1.50 | 0.556 6 | 0.579 8 | 0.979 3 |
| 3.00 | 0.600 2 | 0.616 5 | 0.979 5 |
| 4.50 | 0.578 2 | 0.635 5 | 0.977 0 |
| 6.00 | 0.582 3 | 0.528 0 | 0.971 6 |
), ArticleFig(id=1322164723869667650, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=表5, caption=
不同含水率下的辊压产品R-R方程回归结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 含水率/% | m | b | 决定性系数R2 |
|---|
| 0.11 | 0.583 6 | 0.526 8 | 0.969 7 |
| 1.50 | 0.556 6 | 0.579 8 | 0.979 3 |
| 3.00 | 0.600 2 | 0.616 5 | 0.979 5 |
| 4.50 | 0.578 2 | 0.635 5 | 0.977 0 |
| 6.00 | 0.582 3 | 0.528 0 | 0.971 6 |
), ArticleFig(id=1322164723932582211, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=EN, label=Table 6, caption=
Crushing ratio of rolled products under different moisture contents
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| 含水率/% | F20/P20 | F50/P50 | F80/P80 |
|---|
| 0.11 | 17.18 | 5.41 | 2.83 |
| 1.50 | 22.24 | 6.21 | 3.00 |
| 3.00 | 23.19 | 6.86 | 3.21 |
| 4.50 | 23.63 | 6.44 | 3.24 |
| 6.00 | 18.00 | 5.41 | 2.84 |
), ArticleFig(id=1322164724024856900, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164716156342490, language=CN, label=表6, caption=
不同含水率下的辊压产品破碎比
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| 含水率/% | F20/P20 | F50/P50 | F80/P80 |
|---|
| 0.11 | 17.18 | 5.41 | 2.83 |
| 1.50 | 22.24 | 6.21 | 3.00 |
| 3.00 | 23.19 | 6.86 | 3.21 |
| 4.50 | 23.63 | 6.44 | 3.24 |
| 6.00 | 18.00 | 5.41 | 2.84 |
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