Economizer suitable for multi-coal industrial boiler

The utility model discloses a coal economizer suitable for multi-coal industrial boilers, the coal economizer suitable for multi-coal industrial boilers comprises a coal economizer body and a heat insulation piece, the coal economizer body comprises a plurality of heat exchange tube groups, the plur...

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Bibliographische Detailangaben
Hauptverfasser: MIAO PENG, ZHENG XIANGYU, YAN JINGPING, ZHAO TIANCHEN, JIA NAN, XING WENCHAO, SON HYO-HAN, CUI MINGSHUANG, LIU PENGZHONG
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The utility model discloses a coal economizer suitable for multi-coal industrial boilers, the coal economizer suitable for multi-coal industrial boilers comprises a coal economizer body and a heat insulation piece, the coal economizer body comprises a plurality of heat exchange tube groups, the plurality of heat exchange tube groups are arranged at intervals along a first direction, each heat exchange tube group comprises at least one heat exchange tube, and the heat insulation piece is arranged on the heat exchange tube group. Each heat exchange pipe in each heat exchange pipe set comprises a U-shaped pipe section, pipe sections of two side pipes forming the U-shaped pipe sections are arranged in the second direction, the second direction is perpendicular to the first direction, and the heat insulation pieces are detachably arranged on the sides of the heat exchange pipe sets and are connected with the U-shaped pipe sections. The heat insulation part is used for separating at least one heat exchange tube set