Air circulation type cooling and dedusting negative pressure fan unit and using method thereof

• Main Authors: SUN ZHENYI, ZHAO WEIJUN, WU YAN, ZHOU YUNFEI
• Format: Patent
• Language: Chinese; English
• Published: 23.09.2022
• Subjects: AGRICULTURE; AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; ANIMAL HUSBANDRY; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUSPLANTS; BLASTING; CATCHING, TRAPPING OR SCARING OF ANIMALS; FISHING; FORESTRY; HEATING; HUMAN NECESSITIES; HUNTING; LIGHTING; MECHANICAL ENGINEERING; RANGES; TRAPPING; VENTILATING; WEAPONS

The invention relates to the technical field of cooling equipment, in particular to an air circulation type cooling and dedusting negative pressure fan unit which comprises a fixing frame, a first fan and a second fan are fixedly mounted on the inner side of the fixing frame, and filtering mechanisms used for filtering indoor air are arranged at the two ends of the first fan and the two ends of the second fan correspondingly; a filtering mechanism is arranged, air is sucked outwards through a second draught fan, meanwhile, filtering is conducted through deodorization filter screens, pollution of indoor air of a workshop to the outside is reduced, internal dust is removed through a water curtain assembly, then the dust is discharged through a first filter plate in the filter interior through a second air pipe, and the first draught fan sucks air through a filter shell; external floating dust is filtered through the second filter plate, meanwhile, the impeller is blown by up and down wind to drive the rotating