计算结果表明：由于燃烧器布置在前后墙，使得燃烧器喷口连线成矩形，从而使得炉内气流流场均为椭圆形，且椭圆的长轴沿炉膛高度方向不断变化；
The results showed that, the arrangement of burners on the front and back walls led too val rotation flow pattern, the long axis of which directed diversely along with the height of furnace.
本文介绍了内燃式热风炉矩形、椭圆形陶瓷燃烧器的优点、设计原则、主要参数的选择、主要结构尺寸的确定及阻损计算等。
The advantages of rectangle and ellipse ceramic burner, their design principle, the selection of main parameters and determination, the calculation of the flow resistance are briefly intro - duced.
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