EXTENSION VENTILATION SYSTEM

PROBLEM TO BE SOLVED: To provide an extension ventilation system reliably removing and reducing formaldehyde to a concentration lower than a statutory standard without additional construction for a new exhaust duct.SOLUTION: A push-pull ventilating device 2 is provided in the vicinity of a highly-co...

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Bibliographische Detailangaben
1. Verfasser:	KIJIHANA ICHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an extension ventilation system reliably removing and reducing formaldehyde to a concentration lower than a statutory standard without additional construction for a new exhaust duct.SOLUTION: A push-pull ventilating device 2 is provided in the vicinity of a highly-concentrated plant (E10), and a pull stage 3 is provided in the vicinity of each of low-concentrated plants (E11, E12, E13). The push-pull ventilating device 2 includes blowout means (blowout fans 21, 22), and suction means (suction fans 23, 24). Each pull stage 3 includes a suction means (suction fan 31), and formaldehyde adsorption means (activated carbon filters 32). The suction means (suction fan 31) and the blowout means (blowout fans 21, 22) are connected to each other through a first duct D1, and the suction means (suction fans 23, 24) and an existing exhaust duct E5 are connected to each other through a second duct D2.