Oily induced-draft fan is taken to curtain spiral-flow type from induced drafting

The utility model provides an oily induced-draft fan is taken to curtain spiral-flow type from induced drafting. The main solution can make the relative vacuum of indoor production after present induced-draft fan is opened very fast, makes the oil smoke concentrated the exhaust problem its character...

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Bibliographische Detailangaben
Hauptverfasser:	ZHOU MINGYANG, ZHOU CHENGWU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION HEATING LIGHTING MECHANICAL ENGINEERING OTHER DOMESTIC STOVES OR RANGES RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides an oily induced-draft fan is taken to curtain spiral-flow type from induced drafting. The main solution can make the relative vacuum of indoor production after present induced-draft fan is opened very fast, makes the oil smoke concentrated the exhaust problem its characterized in that: (1) one side of petticoat pipe has outer petticoat pipe (2), has between petticoat pipe (1) and outer petticoat pipe (2) ventilation chamber (3), and ventilation chamber (3) have ventilation hole (4) through ventilation pipe and outdoor being linked together, outer petticoat pipe (2) with the edge that petticoat pipe (1) links to each other this oily induced-draft fan is taken to curtain spiral-flow type from induced drafting can eliminate relative vacuum phenomenon, makes the oil smoke discharge smoothly