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  新闻动态 News
厂房全面通风方法

用通风方法改善室内空气环境,就是在局部地点或整个车间把不符合卫生标准的污浊空气排至室外,把新鲜空气或经过净化符合卫生要求的空气送入室内。在放散热、蒸气或有害物质的建筑内,当不可能采用局部排风,或采用局部排后仍达不到卫生标准要求时,可采用全面通风。

1. æŒ‰ç…§é€šé£ŽåŠ¨åŠ›çš„不同,全面通风可分自然通风和机械通风(采用通风设备进行通风)。
2. æŒ‰ç…§å¯¹æœ‰å®³ç‰©æŽ§åˆ¶æœºç†çš„不同,全面通风可分为稀释通风、单向流通和均匀流通风等。

(1)稀释通风 è¯¥æ–¹æ³•æ˜¯å¯¹æ•´ä¸ªæˆ¿é—´ï¼ˆè½¦é—´ï¼‰è¿›è¡Œé€šé£Žæ¢æ°”,用新鲜空气把整个车间的有害物浓度稀释到最高允许浓度以下。该方法所需的全面通风量大,控制效果差。
(2) å•å‘流通风 å®ƒé€šè¿‡ç»„织的气流运动,控制有害物的扩散和转移。保证操作人员的呼吸区内,达到卫生标准的要求。这种方法具有通风量小、控制效果好等优点。对不同类型的车间,基设计参数需通过模型试验确定。
(3) å‡åŒ€æµé€šé£Ž é€Ÿåº¦å’Œæ–¹å‘完全一致的完大气流称为均匀流,用它进行的通风称为均匀流通风。它的工作原理是利用送风气流构成的均匀流把室内污染空气全部压出和置换。气流速度原则上要控制在0.2~0.5m/s之间。这种通风方法能有效排出室内污染空气。目前主要应用于汽车喷漆室等对气流、温度、温度控制要求高的场合。
(4) ç½®æ¢é€šé£Ž ç½®æ¢å¼é€šé£Žçš„概念和均匀流通风是基本相同的。

在有余热的房间,由于在高充方向上具有稳定的温度梯度,如果以较低的风速(v<0.2~0.5ms.),将送风温差较(t=2~4聂氏度)的新鲜空气直接送入室内工作区。低温的新风在重力作用下先是下沉,随后慢慢扩散,在地面上方形成一层薄薄的空气屋。而室内热源产生的热气流,由于浮力作用而上升,并不断卷吸周围空气。这样由于热气流上升时的卷吸作用、后续新风的推动作用和排风口的抽吸作用,地板上方的新鲜空气缓慢向上移动,形成类似于向上的均匀流的流动,于是工作区的污浊空气为后续的新风所取代。当达到稳定时,室内空气在温度、浓度上便形成两个区域;上部混合区和下部单向流动的清洁区,这种通风方式称为置换通风。热置换通风的效果与送风条件有关。与传统的稀释通风方式相比,具有节能、通风效率高等优点。我国在影剧院的气流组织中,曾采用座椅送风口,把空调送风直接送入观众区,这种气流组织方式在概念上和置换通风是一致的

4,螺旋风管的强大通风功能

螺旋风管,既然被叫做通风管,肯定它所起的作用就在于使两地的空气能够流通,起到一个通风换气的作用。当然,材质的不同,通常市面上有三种螺旋风管,不同材质的螺旋风管有着自身的优点。例如:不锈钢风管虽然质量属于最好的、但是价格几乎是最高的。那么既然螺旋风管本身拥有这么强大的通风特性,本文中螺旋风管厂家就着重给您讲解一下,以满足大家拿强烈的好奇心吧! 

通风管实际上还有一个空气滤清器,专门过滤空气的,但是很多人并不注重,而且认为可有可无,所以空气滤清器的日常维护就很少了。但是这样对吗?其实是一个误区,如果滤清器不能正常使用之后,会导致很多故障的发生。对于不锈钢风管,因为其具有优良的耐热性能、所以通常会应用在高气密性的排气系统、排烟系统等。一点要注意,空气滤清器一定要市场保持清洁,要定期进行维护,以此确保正常工作。

地址:天津市津南区八里台镇大孙庄工业区

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