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    • 3. 发明授权
    • Grate trough as part of a grate for a plant for the thermal treatment of waste
    • 炉排作为废物热处理设备的炉排的一部分
    • US06425336B1
    • 2002-07-30
    • US09858729
    • 2001-05-16
    • Werner Brennwald
    • Werner Brennwald
    • F23K308
    • F23H11/18F23H17/08Y10T29/49826
    • A grate trough forms the lower part of a grate element which has a plurality of fixed and a plurality of movable grate block rows. The grate block rows each include a plurality of grate blocks suspended next to one another on a block holding element and connected firmly to one another. The grate trough forms a carrying element for the block holding tubes of the fixed grate block rows and support for a movable grate carriage carrying the block holding elements of the movable grate block rows. The grate trough has two side walls and also a front and a rear frontal wall, the frontal walls being arranged at right angles to the side walls. The side walls and the frontal walls are provided at their junction with projections and recesses which engage one into the other, with the result that the walls are held in an exact position. The length and width of the grate trough remain constant, even after welding, since the walls cannot be displaced relative to one another. The weld seam distortion and weld seam stress are minimized due to the offset of the weld seam lines. The mounting of the grate element becomes appreciably simpler.
    • 格栅槽形成具有多个固定和多个可动格栅块排的格栅元件的下部。 格栅块排各自包括在块保持元件上彼此相邻的多个格栅块,并且彼此牢固地连接。 格栅槽形成用于固定格栅块列的块保持管的承载元件,并支撑承载可移动格栅块列的块保持元件的可移动的格栅托架。 格栅槽具有两个侧壁以及前侧和后侧前壁,前壁与侧壁成直角布置。 侧壁和前壁在它们的连接处设置有与另一个接合的突起和凹部,结果是将壁保持在精确的位置。 即使在焊接之后,格栅槽的长度和宽度保持恒定,因为壁不能相对于彼此移位。 由于焊缝线的偏移,焊缝变形和焊缝应力被最小化。 格栅元件的安装变得明显简单。