Continuous fresh air supply is required for kitchen hood exhaust. Exhaust air is worked out according to kitchen equipment. Kitchen exhaust is taken directly from top of burners through hood extraction system. This is the best point for exhaust. But make up air can be supplied at a number of locations.
Sometimes this air is extracted from adjoining dining room. Dining area system treats required fresh air and supplies air in the public area. This air is transferred through transfer louvers or door traffic to kitchen area. Kitchen hood extraction system collects this air.
Make up air can be supplied through ceiling air devices in the kitchen area. In front of equipment line, linear supply diffusers in ceiling make a curtain of air. This curtain blocks hot air from hood side to move towards working area. Hot zone is separated from comfortable zone. Except burner area kitchen is kept at a comfortable condition. A separate recirculation air conditioning system maintains conditions in the kitchen. Supply air diffusers away from hood can supply make up air. This air moves towards hood. Extraction point in hood is the -ive suction point in the kitchen area.
Makeup air is also supplied through devices integrated to hood system. Back wall supply plenum is used. Make up air is supplied below burning equipment downward, away from working staff. This is the best location, which doesn’t disturb burner flame. Also room air conditioning system works efficiently with this location.
Back supply plenum can be used in any type of equipment configuration. Combined unit, supplying and extracting air, can serve this system. This system is factory fabricated and ready to install. Make up air is not required to be treated in this condition. It saves energy required to keep kitchen area at comfortable level.
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March 22nd, 2012 – 12:25This is really great..I really appreciate your article for giving us more info.
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