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    • 80. 发明公开
    • CONVECTIVE SYSTEM FOR A DRYER INSTALLATION
    • KONVEKTIVES SYSTEMFÜREINE TROCKNERINSTALLATION
    • EP1977177A1
    • 2008-10-08
    • EP07704124.2
    • 2007-01-24
    • NV Bekaert SABEKAERT COMBUSTION TECHNOLOGY B.V.
    • LENOIR, Patrick
    • F26B3/30F26B13/10F26B13/20D21F5/00D21F5/18
    • F26B3/305D21F5/008F26B13/10F26B13/22
    • The object of the invention is an dryer in the dryer section (26) of a machine for treating or producing a web (12). This drying section (26) has, amongst other things, a burner assembly (10), wherein this burner assembly (10) is adapted to produce a flame (14) and exhaust gases (18). Either said flame (14) or the exhaust gases (18) or both are in direct contact with the web (12) to be dried. The flame (14) or the exhaust gases (18) or both cover the maximum width of the web (12) to be dried and this at a temperature exceeding 600° C., e.g. above 700° C., e.g. 800° C., preferably 1000° C. and more. By applying such a high temperature to the web (12) to be dried, one achieves a large temperature difference, resulting in a better heat transfer Considering the theoretical equation of heat transfer qx=kx. Ax.DTx, it is evident that because of the large temperature difference, the dimensions of the system can be reduced and/or the efficiency of the drying process can be refined. A further advantage of the higher energy transfer is that the drying process is accelerated and that the web can pass the dryer at high speeds.
    • 本发明的目的是一种用于处理或生产幅材(12)的机器的干燥器部分(26)中的干燥器。 该干燥部分(26)具有燃烧器组件(10),其中该燃烧器组件(10)适于产生火焰(14)和废气(18)。 所述火焰(14)或废气(18)或两者都与要干燥的幅材(12)直接接触。 火焰(14)或废气(18)或两者都覆盖待干燥的幅材(12)的最大宽度,并且在超过600℃的温度下,例如, 高于700℃。 800℃,优选1000℃以上。 通过将这样高的温度施加到要干燥的幅材(12)上,可以实现较大的温度差,导致更好的热传递。考虑到热传递的理论方程式qx = kx。 Ax.DTx显然,由于温度差大,可以降低系统的尺寸和/或干燥过程的效率。 更高能量转移的另一个优点是加速了干燥过程,并且幅材可以高速地通过干燥器。