通风管道的通风原则!

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            通风管道的通风原则!
            来源:m.inight.cn 2019-02-26 11:53:07
            全面通风能够使用机械通风来完成,也能够使用自然通风来完成o按体系持征不同,全面通风可分为全面送风,全面排风和全面送、排风三类。按作用机理不同,全面通风可分为稀释通风和置换通风两类。
            Full ventilation can be accomplished by mechanical ventilation or natural ventilation according to system requirements. Full ventilation can be divided into three categories: full ventilation, full ventilation, full ventilation and exhaust ventilation. According to the different mechanism, comprehensive ventilation can be divided into dilution ventilation and displacement ventilation.
            (1)稀释通风稀释通风又称混合通风,即送人比室内污染物浓度低的空气与室内空气混合,以此下降室内污染物的浓度,到达卫生标难o
            (1) Dilution ventilation and dilution ventilation, also known as mixed ventilation, is to send people air with lower concentration of indoor pollutants to mix with indoor air, so as to reduce the concentration of indoor pollutants and reach the hygienic standard.
            (2)置换通风在置换通风体系中,新鲜冷空气由房间底部以很低的速度(o.03o.59t/s)送人,送风温差仅为24Y。送入的新鲜空气因密度大而像水相同充满整个房间的底部,热源引起的热对流气流使室内发生笔直的温度禅度,气流缓慢上升,脱离作业区,将余热和污染物面向房间顶部,最后由设在顶棚上或房间顶部的排风口直接排出。
            (2) In displacement ventilation system, fresh cold air is delivered at a very low speed (o.03o.59t/s) from the bottom of the room, and the temperature difference of the air supply is only 24Y. Fresh air filled the bottom of the room like water because of its high density. The heat convection caused by heat source makes the room have a straight temperature zen. The air flow rises slowly and leaves the working area. The residual heat and pollutants are facing the roof of the room. Finally, the exhaust outlet located on the roof or on the roof of the room is discharged directly.

            室内空气近似活塞状活动.使污染物随空气活动从房间顶部排出,作业区基本处于送入空气中,即作业区污染物浓度约等于送人空气的浓度,这是置换通风与传统的稀释全面通风的最大差异。明显置换通风的通风作用比稀释通风好得多。

            Indoor air is similar to piston-like activity, so that pollutants are discharged from the top of the room with air activity, and the working area is basically put into the air. That is to say, the concentration of pollutants in the working area is equal to the concentration of human air, which is the biggest difference between displacement ventilation and traditional dilution ventilation. The ventilation effect of displacement ventilation is much better than that of dilution ventilation.
            2.部分通风
            2. Partial ventilation
            部分通风就是使用部分气流,使部分地址不受有害物的污染,形成杰出的空气环境。
            Partial ventilation is the use of partial airflow, so that some sites are not polluted by harmful substances, forming an outstanding air environment.
            部分通风体系分为部分送风和部分排风两大类。部分排风是将污染物就地捕集、净化后排放至室外。部分送风是将通过处理的、符合要求的空气送到部分作业地址,以确保部分区域的空气条件。
            Partial ventilation system can be divided into two categories: partial air supply and partial air exhaust. Part of the exhaust air is to collect and purify pollutants in situ and discharge them outdoors. Partial air supply is the delivery of processed and qualified air to some operating addresses to ensure air conditions in some areas.
            部分通风方法作为确保作业和生活环境空气品质、防止室内环境污染的技术措施应优先考虑。
            As a technical measure to ensure air quality of working and living environment and prevent indoor environmental pollution, partial ventilation method should be given priority.
            如果想要了解更多的话,可以咨询我们山东通风管道厂家,我们会为你服务的:http://m.inight.cn
            If you want to know more, you can consult our Shandong ventilation pipe manufacturer. We will serve you at http://m.inight.cn.

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