综放工作面粉尘场与雾滴场耦合关系的实验研究
为了得到综放工作面雾滴场与其捕获的粉尘场之间的定量关系,根据模拟综放工作面通风风速的封闭式实验箱,设计了由供水系统、供风系统、测粒系统、测压系统、测尘系统、发尘系统等组成的综放工作面粉尘场与雾滴场耦合关系测试实验平台。采用三维激光多普勒粒子动态分析仪对包括直射喷嘴、单式离心喷嘴、混合式离心喷嘴等目前煤矿普遍使用的六大类压力喷嘴进行了尘雾场耦合实验,即在风机开启时,分别测定释放尘源前后的雾滴粒径,利用Matlab数值分析方法,得到了雾滴粒径在[40,65]、[65,100]、[100,160]μm等3个区间内无尘液滴平均粒径与其捕获尘粒平均粒径之间的拟和函数表达式。提出针对呼吸性粉尘的雾滴最佳捕...
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| Published in | Méitàn xuébào Vol. 35; no. 10; pp. 1660 - 1664 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
2010
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-9993 |
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| Abstract | 为了得到综放工作面雾滴场与其捕获的粉尘场之间的定量关系,根据模拟综放工作面通风风速的封闭式实验箱,设计了由供水系统、供风系统、测粒系统、测压系统、测尘系统、发尘系统等组成的综放工作面粉尘场与雾滴场耦合关系测试实验平台。采用三维激光多普勒粒子动态分析仪对包括直射喷嘴、单式离心喷嘴、混合式离心喷嘴等目前煤矿普遍使用的六大类压力喷嘴进行了尘雾场耦合实验,即在风机开启时,分别测定释放尘源前后的雾滴粒径,利用Matlab数值分析方法,得到了雾滴粒径在[40,65]、[65,100]、[100,160]μm等3个区间内无尘液滴平均粒径与其捕获尘粒平均粒径之间的拟和函数表达式。提出针对呼吸性粉尘的雾滴最佳捕尘粒径应为[15,70]μm,实现了对喷雾降尘理论的改进与完善。 |
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| AbstractList | 为了得到综放工作面雾滴场与其捕获的粉尘场之间的定量关系,根据模拟综放工作面通风风速的封闭式实验箱,设计了由供水系统、供风系统、测粒系统、测压系统、测尘系统、发尘系统等组成的综放工作面粉尘场与雾滴场耦合关系测试实验平台。采用三维激光多普勒粒子动态分析仪对包括直射喷嘴、单式离心喷嘴、混合式离心喷嘴等目前煤矿普遍使用的六大类压力喷嘴进行了尘雾场耦合实验,即在风机开启时,分别测定释放尘源前后的雾滴粒径,利用Matlab数值分析方法,得到了雾滴粒径在[40,65]、[65,100]、[100,160]μm等3个区间内无尘液滴平均粒径与其捕获尘粒平均粒径之间的拟和函数表达式。提出针对呼吸性粉尘的雾滴最佳捕尘粒径应为[15,70]μm,实现了对喷雾降尘理论的改进与完善。 |
| Author | 周刚 程卫民 王刚 崔向飞 |
| AuthorAffiliation | 山东科技大学矿山灾害预防控制重点实验室,山东青岛266510 |
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| DocumentTitleAlternate | Experiment research of the coupling relationship between dust field and droplet field about fully mechanized and roof caving workface |
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| Notes | droplet field diameter of captured coal dust TD714.4 fully mechanized and roof caving workface dust field coupling experiment 11-2190/TD fully mechanized and roof caving workface; dust field; droplet field; coupling experiment; releasing dust; diameter of captured coal dust releasing dust |
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| SubjectTerms | 捕尘粒径 粉尘场 综放工作面 耦合实验 释放尘源 雾滴场 |
| Title | 综放工作面粉尘场与雾滴场耦合关系的实验研究 |
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