| 摘要 |
The tube (1) for an atmospheric gas burner, with flame holes through its top surface (7), has gas delivered to its interior by a concentric supply tube (3). It has cooling rods (2) supported above the flame holes, parallel to the axis of the tubes. Three rods of steel or refractory ceramic material can be used, carried by a support (9) half-way along the tube, to cool the cores of the flames. A very wide variety of cooling elements is shown, and supports can be used at different positions on the tube. The rods can be located along a straight line, or can form an arc of a circle spaced from the tube, and different types of support are shown.
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