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当前位置: 首页-新闻中心 > 济南排烟罩的水平端不易过长

济南排烟罩的水平端不易过长

发布时间:2020/09/07

厨房煤气工作室有排气罩,所以排气罩的通风量比较大,使用煤气时排气罩都在排烟,因此无需考虑炉子间的通风问题。只是注意厨房排烟管道要密闭,防止非工作时间中毒。厨房排烟管道水平端不能太长,一般水平距离大于十五米,坡度大于百分之二,水平端应安装活接头,便于清洗油污。济南排烟罩提醒大家排气速度低于10米每秒,风速过低,需要防止油附着在烟杆上,连接排气口的分支应安装风量调节阀。
The kitchen gas studio has an exhaust hood, so the ventilation capacity of the exhaust hood is relatively large. When using gas, the exhaust hood is exhausting smoke, so there is no need to consider the ventilation of the furnace room. Only pay attention to the kitchen exhaust pipe to be sealed, to prevent poisoning during non working hours. The horizontal end of the kitchen smoke exhaust pipe should not be too long. Generally, the horizontal distance is more than 15m, and the slope is greater than 2%. The horizontal end should be installed with a movable joint to facilitate oil cleaning. Jinan smoke hood reminds everyone that the exhaust speed is less than 10 meters per second, and the wind speed is too low. It is necessary to prevent the oil from adhering to the smoke pole. The branch connecting the exhaust port should be installed with air volume regulating valve.
由于自然风受到自然条件的限制,具有多变性,消防排烟管道安装为不可控因素。但是实际情况肯定是热压通风以及风压通风同时作用,实际情况也就优于只讨论热压通风的情况。

Due to the limitation of natural conditions, natural wind has variability, and the installation of fire smoke exhaust pipe is an uncontrollable factor. But the actual situation is certainly that the hot pressure ventilation and the wind pressure ventilation work at the same time, and the actual situation is better than that of only discussing the hot pressure ventilation.
济南排烟管道要保证自然通风的顺畅、充分,条件是有足够大面积的进风口、出风口,并且合理布置进、出风口以及合理设计进、排气口面积。
Jinan smoke exhaust pipe to ensure smooth and sufficient natural ventilation, the condition is to have enough large area of air inlet and outlet, and reasonable layout of air inlet and outlet, and reasonable design of air inlet and outlet area.
换气次数就是让厂房内的气流达到一定的流速,在只讨论热压通风的情况下,因为是流水线定型生产,所以厂房内生产活动产生的余热在一定周期内可以认为是不变的,产生的余热在小范围内气体温度变化一致。
The air change frequency is to make the air flow in the workshop reach a certain flow rate. Under the condition of only discussing the hot pressure ventilation, the waste heat generated by the production activities in the workshop can be considered as unchanged in a certain period, and the temperature change of the gas body is consistent within a small range.
济南排烟罩
Jinan exhaust hood
在考虑产生的余热不变、空气的各物理特性不变、进出口面积合理的情况下,就会得到外界温度越低,厂房内的气流流速就会越高,就是同等条件下,外界温度降低,厂房内换气次数就会相应增多。
Under the condition that the waste heat generated remains unchanged, the physical characteristics of the air remain unchanged, and the area of the inlet and outlet is reasonable, it can be concluded that the lower the external temperature is, the higher the air flow velocity in the workshop will be, that is, under the same conditions, the lower the external temperature, the more air changes in the plant will be.
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