Gas hood type range hood

• Main Author: XU JISHENG
• Format: Patent
• Language: Chinese; English
• Published: 08.10.2021
• Subjects: BLASTING; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION; HEATING; LIGHTING; MECHANICAL ENGINEERING; OTHER DOMESTIC STOVES OR RANGES; RANGES; VENTILATING; WEAPONS

The invention discloses a gas hood type range hood and belongs to the field of household appliances. The gas hood type range hood aims to solve the problems of low oil fume and waste gas purification rate, serious oil stain of a fan in an existing range hood, influence on use quality and the service life and the like. A method comprises the following steps that a circle of cylindrical air curtain is generated at a proper distance on the periphery of a pot through an equipped high-speed air flow generating device, and a hood is formed by taking a baffle plate above the pot as a cover, so that oil fume and waste gas are covered and prevented from leaking; and then a Dyson air multiplier (namely a bladeless fan) is reversely used, blowing is changed into suction, and the oil fume and waste gas are sucked into a totally-closed suction filtration and exhaust pipeline system in the center of the machine and then exhausted out of a room. The effect is remarkable, the oil fume and waste gas purification rate is close