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江西玉山县砖瓦生产战线上的广大职工在提前二个月完成1959年生产计划的基础上,又取得了用石煤烧砖瓦的成功经验. 石煤烧砖瓦办法很简单:在地下挖一个直径为4-6米的圆形或椭圆形的约2米深的洞,即可焙烧.在窑即洞的底部设三条火道.火道宽5寸,深1尺.火道互相之间的空隙要填平,并要在每条火道上面做上护塞.另外,要做几个烟囱(数量视窑的大小而定),以便焙烧时有充足的空气加快石煤的燃烧,并且还可以调整窑内各部分的火力,保证产品的质量.装窑时,在护塞
The employees of the brick and tile production line in Yushan County, Jiangxi Province, on the basis of completing the 1959 production plan two months ahead of schedule, have also obtained the successful experience of using brick coal to burn bricks and tiles. The stone coal burning brick and tile method is very simple: digging underground A circular or elliptical hole approximately 4 meters in diameter with a diameter of 4 to 6 meters can be fired. There are three fire tunnels at the bottom of the kiln, namely the hole. The fire path is 5 inches wide and 1 foot deep. The gap should be filled and a protective plug must be installed above each fire. In addition, several chimneys (the number depends on the size of the kiln) are provided so that sufficient air can be used to accelerate the burning of stone coal. And can also adjust the firepower of each part of the kiln to ensure the quality of the product. When installing the kiln, in the protective plug