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近年来,为了提高蜂窝煤的热效率,对炉体进行了改革(增加二次进风、安装聚热板)、加强炉体保温性能(炉芯周围填充保温材料)等,收到了一定的效果。然而,传统的蜂窝煤通风孔的内径仅为12毫米,它满足不了煤燃烧时所需要的空气量。加之一些地方生产的蜂窝煤不大规格,通风孔歪斜、内壁不甚光滑,当四块蜂窝煤叠在一起时,12个通风孔很难对准;即使质量较高的标准蜂窝煤,在使用时,要将通风孔完全对准也很困难。这样使通风孔的截面积缩小了许多。另外,在添煤时,因为最下面的一块蜂窝煤已接近燃尽,在上部煤块的重压下发生形变,甚致破
In recent years, in order to improve the thermal efficiency of briquette, the furnace has been reformed (increase the secondary air inlet, install the heat collecting plate), and strengthen the insulation performance of the furnace (filled with insulation material around the furnace core), etc., and received some results. However, the traditional honeycomb vent has an internal diameter of only 12 mm, which does not satisfy the amount of air required for coal combustion. In addition, the briquette produced in some places is not large in size, the vents are skewed and the inner walls are not smooth. When the four honeycomb briquettes are stacked together, it is difficult to align the 12 vents; even if the high quality standard briquette is used It is also difficult to completely align the vents. This reduces the cross-sectional area of the vent a lot. In addition, when adding coal, because the bottom of a piece of honeycomb coal has been near burn-out, under the weight of the upper coal block deformation, even broken