餐饮行业厨房排烟要注意什么？
厨房油烟净化器排烟工程中管道的水平段不宜过长。特别是油烟净化器装置的风阻会增加，一般水平较大距离不应超过15m坡度应大于百分之2，并在水平端设置活动接头，以便于清洁管道中的油污。新厨房油烟净化器应尽可能安装在厨房近端排烟风机前部，以减少排烟管与风机叶轮之间的油烟附着，延长管道清洗和风机维护周期。排气罩支管应设置风量调节阀。
The horizontal section of the pipe in the kitchen oil fume purifier smoke exhaust project should not be too long. In particular, the wind resistance of the oil fume purifier device will increase. Generally, the larger horizontal distance should not exceed 15m, and the slope should be more than 2%. A movable joint should be set at the horizontal end to facilitate the cleaning of oil dirt in the pipeline. The new kitchen oil fume purifier should be installed in the front of the kitchen near end smoke exhaust fan as far as possible to reduce the oil fume adhesion between the smoke exhaust pipe and the fan impeller, and extend the pipeline cleaning and fan maintenance cycle. The branch pipe of exhaust hood shall be equipped with air volume regulating valve.
厨房送风系统应采用直流模式，厨房通风工程系统应采用变速风机或相关风机进行送风和排风。这样，随时产生的大量废气可以更直接、更有效地排放到室外。
The kitchen air supply system shall adopt DC mode, and the kitchen ventilation engineering system shall adopt variable speed fan or relevant fan for air supply and exhaust. In this way, a large amount of waste gas generated at any time can be discharged to the outside more directly and effectively.
厨房油烟净化器装置的选择应根据厨房排气和炉灶的数量进行匹配。排烟口布置在厨房内，应根据厨房的具体位置考虑排气口的布置。送风口不应与厨师的头部对齐，以免影响厨师的健康，扰乱厨房的排气性能。确定送风出口的出风速时，距离地面2m左右风速0.25m/s更理想。厨房油烟净化器装置安装在通风排烟工程中，送风口应沿排气罩方向布置，较小距离盖前00.7m，而且排气口离排气罩越远越好。每个烹饪厨房都须有一个送风的工作。
The selection of kitchen oil fume purifier should be matched according to the number of kitchen exhaust and stoves. The exhaust outlet is arranged in the kitchen, and the layout of the exhaust outlet should be considered according to the specific location of the kitchen. The air supply outlet should not be aligned with the head of the cook to avoid affecting the health of the cook and disturbing the exhaust performance of the kitchen. When determining the outlet wind speed of the air supply outlet, the wind speed of 0.25m/s about 2m from the ground is more ideal. The kitchen oil fume purifier is installed in the ventilation and smoke exhaust project. The air supply outlet should be arranged along the direction of the exhaust hood, with a small distance of 00.7m in front of the cover, and the exhaust outlet should be as far away from the exhaust hood as possible. Each cooking kitchen must have a work of air supply.
应注意机房、风机和风管布置厨房排气机应设置在厨房上部，厨房是公共建筑的一部分，排气机应设置在屋，使风管处于负压状态，避免气味溢出。厨房排口应尽量远离室内空调系统的通风口，避免厨房气味和空调系统，影响空调系统的空气质量。厨房排气风机一般应选择低噪声离心风机。
Attention should be paid to the arrangement of the machine room, fan and air duct. The kitchen exhaust fan should be set in the upper part of the kitchen. The kitchen is a part of the public building. The exhaust fan should be set on the roof layer to keep the air duct in the negative pressure state and avoid odor overflow. The kitchen exhaust shall be far away from the vent of the indoor air conditioning system as far as possible to avoid the kitchen odor and the air conditioning system affecting the air quality of the air conditioning system. Generally, low-noise centrifugal fan shall be selected for kitchen exhaust fan.
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