排风机应设在厨房的上部
The exhaust fan should be set in the upper part of the kitchen
机房、风机及风管的布置厨房的排风机宜设在厨房的上部，厨房为公共建筑中的一部分时，其排风机宜设在屋顶层，这可以使风道内处于负压形状，避免气味外溢。厨房排烟风口尽量离室内空调系统通风口远点，避免厨房气味与空调系统串流，影响空调系统的空气质量。厨房的排风机普通应选用低噪音离心风机。油烟净化器设备、风机与风管链接尽量选择软联接，添加风机运转时连带管道发作噪音影响周围居民。必要的情况下排烟管道加装降噪处置。
The arrangement of machine room, fan and air duct the exhaust fan of the kitchen should be set on the upper part of the kitchen. When the kitchen is a part of the public building, its exhaust fan should be set on the roof layer, which can make the air duct in the shape of negative pressure and avoid odor overflow. The exhaust outlet of the kitchen shall be far away from the air vent of the indoor air conditioning system as far as possible to avoid the cross flow between the kitchen odor and the air conditioning system and affect the air quality of the air conditioning system. The kitchen exhaust fan should be low noise centrifugal fan. Soft connection shall be selected as far as possible for the connection of oil fume purifier equipment, fan and air duct. When the fan is running, it will affect the surrounding residents with pipeline noise. If necessary, the smoke exhaust pipe shall be equipped with noise reduction treatment.