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  • 实验室装修设计通风有什么要求吗?
    来源: 浏览: 发布日期:2018-12-12
    实验室通风的目的和要求
    Purpose and requirements of laboratory ventilation
    实验室通风与舒适性空调系统的通风设计要求不同,主要目的是提供安全、舒适的工作环境,减少人员暴露在危险空气下的可能。通风主要解决的是工作环境对实验人员的身体健康和劳动保护问题。
    The ventilation design requirements of laboratory ventilation and comfortable air conditioning system are different. The main purpose is to provide a safe and comfortable working environment and reduce the possibility of exposure to dangerous air. Ventilation mainly solves the health and labor protection problems of laboratory workers in the working environment.
    实验室通风要求新风全部来自室外,然后100%排出室外,通风柜的排气不在室内循环。
    Laboratory ventilation requires all fresh air from the outside, and then 100% of the outdoor, ventilation cabinet exhaust is not indoor circulation.
    化学实验室换气要求每小时大于10次,物理实验室每小时大于10次,实验室无人时换气可减少为6次。实验室通风柜设计数量要足够,并且不作为的室内排风装置,仪器室或产生危险物质的仪器上方设局部排风系统
    Chemical laboratory ventilation requires more than 10 times per hour, physical laboratory ventilation is more than 10 times per hour, and ventilation can be reduced to 6 times when the laboratory is unattended. Laboratory ventilation cabinets should be designed in sufficient quantities and not be used as the only indoor ventilation device. Local ventilation system should be installed above the instrument room or the instrument that produces hazardous substances.
    实验室的补风一部分来自空调系统直接送入实验室的新风,这部分新风根据实验室排风量的变化而变化;另一部分通过空调系统送入非实验室区域的走道、房间再通过实验室的门缝补给。
    Part of the air supply in the laboratory comes from fresh air which is directly fed into the laboratory by the air conditioning system. This part of the fresh air varies according to the change of the laboratory exhaust volume. The other part is fed into the corridor of the non-laboratory area through the air conditioning system, and the room is fed through the door gap of the laboratory.
    实验室的负压通过送、排风风量和送排风口的布置来实现,气流组织从办公、管理用房、内走道、到产生危险物质的实验房间。通风柜的位置布置在远离空气流动、紊流大的地方,远离行走区域和空气新风区。新风从远离通风柜的方引入,空气流动路径远离通风柜。
    The negative pressure of the laboratory is realized by the arrangement of air supply, exhaust air volume and air supply and exhaust outlet. The air distribution is from office, management room, inner aisle to the laboratory room where hazardous substances are produced. The position of the fume hood is located far away from the air flow and turbulence, away from the walking area and the fresh air area. Fresh air is introduced from the side far away from the ventilator, and the air flow path is far away from the ventilator.
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