煤炭的粘结 **煤

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">*煤/标准*煤是用于煤炭的粘结性，在1/3精煤做粘结的同时用的比例是标准*煤比精5：1，贫瘦煤精煤做粘结的同时用的比例是标准*煤比精煤3：3。标准*煤的Mad 1.5-2.5% Ad 2.5-4.0%  Vdaf 6.5-8.0%  Mad空气干燥基水份 Ad干燥基灰分Vdaf干燥无灰基挥发份

<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634">1.<*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="color:#001634"><*n style="font-family:宋体">粘结指数试验煤样，应是达到空气干燥状态，粒度小于<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634">0.2mm<*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="color:#001634"><*n style="font-family:宋体">的分析煤样，其中<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634">0.1-0.2mm<*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="color:#001634"><*n style="font-family:宋体">的煤粒占全部煤样的<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634">10-35%<*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="color:#001634"><*n style="font-family:宋体">，煤样在试验前，应混合均匀。
<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634">2.<*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="color:#001634"><*n style="font-family:宋体">粘结指数试验煤样应装在密封的容器中，制样后到试验的时间不应超过一星期，如超过一星期，应在报告中注明制样和试验时间。

<*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="color:#001634">3.<*n style="font-family:宋体">粘结指数测定中使用的*煤，必须是<*n style="font-size:9.0000pt"><*n style="font-family:Arial"><*n style="color:#000000"><*n style="font-family:宋体">宁夏汝箕<*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="color:#000000"><*n style="font-family:宋体">沟矿的<*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="color:#0000ff"><*n style="font-family:宋体">**煤<*n style="font-size:9.0000pt"><*n style="font-family:宋体"><*n style="color:#000000"><*n style="font-family:宋体">。

<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634"><*n style="font-family:宋体">*<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#0000ff"><*n style="font-family:宋体">*煤<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634"><*n style="font-family:宋体">采样，制样均按*标准

<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634"><*n style="font-family:宋体">沟煤矿的**煤，（**煤采样，制样均按*标准）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634">1.<*n style="font-size:9.0000pt"><*n style="font-family:'Times New Roman'"><*n style="color:#000000"><*n style="font-family:宋体">水分Mad<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634">=1.5-2.5%
  <*n style="font-size:9.0000pt"><*n style="font-family:'Times New Roman'"><*n style="color:#000000"><*n style="font-family:宋体">灰分<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634">Ad=1.5-4.0%
  <*n style="font-size:9.0000pt"><*n style="font-family:'Times New Roman'"><*n style="color:#000000"><*n style="font-family:宋体">挥发分<*n style="font-size:9.0000pt"><*n style="font-family:Tahoma"><*n style="color:#001634">Vdaf=6.5-8.0%