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  • 实验室在选择方面应该怎么选
    来源: 浏览: 发布日期:2017-09-12
    实验室建设时,选择通风柜以及确定通风柜的安装位置,需要根据实验内容来选择通风柜的类型,材质、形状等,通常要考虑。
    In the laboratory construction, select the ventilation cabinet and determine the installation position of the fume hood. It is necessary to select the type, material, shape and so on of the ventilation cabinet according to the experimental content.
    使用的药品:当使用有机物或其他特殊试剂实验时,要充分考虑其控制风速。热源:当使用带热源的设备时,其热量超过2000大卡/小时时要考虑排出热量所需的通风量从而确定通风机的功率。有放射性物质或过氯酸等实验时:要选用专用的通风柜,其进风风速必须设定大于0.5m/s。使用大型设备进行实验时:要考虑内部的有效尺寸,为排风留出必要的空间。

    Drugs used: when using organic or other special reagents, take full account of the control of wind speed. Heat source: when using a device with a heat source, when the heat exceeds 2000 kcal / h, the amount of ventilation required to exhaust the heat is considered so as to determine the power of the fan. There are radioactive substances or perchloric acid experiment: to select a dedicated ventilation cabinet, its inlet wind speed must be set greater than 0.5m/s. Experiments with large equipment take into account the effective size of the interior, leaving the necessary space for ventilation.
    材质:在使用特殊酸类实验时,要考虑通风柜的材质,例如半导体行业,腐蚀行业等必须要用防腐蚀的材料制造。
    Material: in the use of special acids experiment, we should consider the material of the ventilation cabinet, such as semiconductor industry, corrosion industry, etc., must be made of corrosion-resistant materials.
    外形尺寸:根据实验内容选择其外形尺寸,体积太大造成浪废,过小影响使用。
    Size: according to the experimental content, select its size, size is too large, resulting in waste, too small to use.
    环境保护:排出的有害气体必须确保低于环保要求,如果超过卫生标准应安装相应的净化装置。
    Environmental protection: the discharge of harmful gases must be lower than the national environmental protection requirements, if more than the national health standards, should be installed corresponding purification device.
    节省能源:尽量考虑节省能源,在有采暖或空调房间内应采用补风型通风柜或选择带风量控制的通风柜。在选择通风机时,也要根据需要确定其功率,不宜盲目增大排风量和压力,可采用变频器或变风速风机的降低电耗。
    Save energy: try to save energy. In heating or air conditioning room, use air filled ventilation box or choose ventilation cabinet with air volume control. When choosing a ventilator, it is also necessary to determine its power according to its needs. It is not appropriate to increase the exhaust air volume and pressure blindly, and the power consumption of the inverter or variable speed fan can be reduced.
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