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实验室通风系统的设计及使用特点

发布人:http://www。sftfgd。com   发布时间:2017-04-04 09:28:00

1、 通风和通风柜的概念:所谓通风,就是把室内的污浊空气直接或经净化后排至室外把新鲜空气补充进来,从而保持室内的空气条件,以保持卫生标准和满足生产工艺的要求,我们把前者称为排风,后者称为送风。而通风柜可以简单理解成一个箱体和一个风机,产生于箱体中的气体被风机排出并被安全的排放到大气中。
1, ventilation and ventilation cabinet: the ventilation, the indoor air pollution directly or after purification to the outdoor fresh air to the rear added, so as to maintain the indoor air condition, in order to maintain hygienic standards and meet the requirements of the production process, the former is called exhaust, the latter is called air. The ventilation cabinet can be simply understood as a box and a fan, the gas generated in the box is discharged by the fan and safely discharged into the atmosphere.
2、 通风的分类:按照动力不同,通风系统可以分为自然通风和机械通风,机械通风又可以分为全面通风和局部通风,全面通风是指在房间内整体的进行通风换气的一种方式,局部通风是指通风的范围控制在有害物质形成比较集中的地方,或是工作人员经常活动的局部地区的通风方式,例如通风柜、万向排烟罩、原子吸收罩等。
2, ventilation: according to different power, the ventilation system can be divided into natural ventilation and mechanical ventilation, mechanical ventilation can be divided into general ventilation and local ventilation, ventilation refers to the room for a whole way of ventilation, local ventilation ventilation control refers to the scope of the formation of relatively concentrated in harmful substances, or ventilation local staff often activities, such as ventilation cabinet, universal exhaust hood, atomic absorption cover etc..
3、 实验室通风:实验室通风是研究控制实验室有害物质对室内外空气环境的影响和破坏的技术。
3, laboratory ventilation: laboratory ventilation is to study the control of harmful substances in the laboratory indoor and outdoor air environment impact and destruction of technology.
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