Spray dryer

The utility model discloses a spray dryer, and belongs to the technical field of spray dryers. A feeding pipe is connected to the upper end of the drying cavity through a pipeline, a heating pipe is arranged on one side of the drying cavity, a cavity is formed in the outer wall of the drying cavity,...

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1. Verfasser: ZOU LONGJUN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model discloses a spray dryer, and belongs to the technical field of spray dryers. A feeding pipe is connected to the upper end of the drying cavity through a pipeline, a heating pipe is arranged on one side of the drying cavity, a cavity is formed in the outer wall of the drying cavity, a heat conduction pipe is spirally welded to the interior of the cavity from top to bottom, a discharging port is formed in the upper end of the heat conduction pipe, a feeding port is formed in the lower end of the heat conduction pipe, and a conduction pipe is connected to the feeding port through a pipeline. In the material drying process, the drying cavity needs to be preheated, at the moment, hot air enters the conduction pipe, hot air enters the heat conduction pipe through the conduction pipe, the hot air surrounds the heat conduction pipe upwards, and the drying cavity shell is heated through the heat conduction pipe; therefore, the heating speed of the drying cavity is increased through hot air circulatio