DRAUGHT FAN AND AIR CONVEYING EQUIPMENT

Provided are a draught fan (100) and an air conveying equipment (200). The draught fan (100) comprises a shell (10), an air inlet box (20), a rotation shaft (40), an impeller (50) and a flow guiding plate (30). An axial channel (111) is formed in the shell (10). The shell (10) is provided with an ai...

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Bibliographische Detailangaben
Hauptverfasser:	ZHOU, Hong, HUANG, Shunqiao, MAN, Chao
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	Provided are a draught fan (100) and an air conveying equipment (200). The draught fan (100) comprises a shell (10), an air inlet box (20), a rotation shaft (40), an impeller (50) and a flow guiding plate (30). An axial channel (111) is formed in the shell (10). The shell (10) is provided with an air outlet (121). The air inlet box (20) is fixed to the outer side of the shell (10). A radial channel (22) is formed in the air inlet box (20). An air inlet (21) is formed on the top of the air inlet box (20). An outlet (25) is formed on a side wall of the air inlet box (20). The rotation shaft (40) is located in the axial channel (111) and extends into the radial channel (22). The flow guiding plate (30) is arranged in the radial channel (22) at the bottom of the air inlet box (20), and accordingly two cavities can be formed in the inner side of the bottom of the air inlet box (20). After gas inflow, gas can be scattered at the bottom of the air inlet box (20) through the flow guiding plate (30), the flowing unifo