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当前位置: 首页-新闻中心 > 罩口宜顺着气流方向运动的因素

罩口宜顺着气流方向运动的因素

发布时间:2017/07/20

  1.对可以密闭的有害物源,应首先采用密闭的措施,尽可能将其密闭起来,用最小的排风量达到最好的控制效果。

  1., the closed source of harmful materials, we should first adopt airtight measures, as far as possible to seal it up, with the smallest amount of exhaust air to achieve the best control effect.

  2.当不能将有害物源全部密闭时,可设置外部济南排烟罩,外部罩的罩口应尽可能接近有害物源。

  2., when the harmful sources can not be completely sealed, the outer Ji'nan smoke hood can be set, and the outer cover should be as close as possible to the harmful source.

  3.济南排烟罩的类型、结构形式应根据有害物源的性质和特点确定,做到罩内负压或罩面风速均匀,其排风量(单位时间从济南排烟罩排出的空气量)应按防止有害物逸至作业环境的原则通过计算确定,亦可采用实测数据、经验数据,或通过模型实验确定。

  The type and structure of 3. Ji'nan hood should be determined according to the nature and characteristics of harmful substance source, do cover the negative pressure or the face velocity uniformity, the exhaust volume (per unit time cover amount of air expelled from the Ji'nan smoke) should be to prevent the harmful substances to escape working environment through the principle of calculation can be used to determine the measured the data and empirical data, or through the model experiments.
山东通风管道加工厂家

  4.济南排烟罩应能将有害物源放散的有害物予以捕

  4. the smoke hood of Ji'nan shall be able to capture harmful substances released from harmful sources

  集,不使其放散到作业环境中,使工作区有害物浓度达到国家卫生标准,以较小的能耗捕集有害物。

  The utility model can not be discharged into the working environment, so that the concentration of harmful substances in the working area meets the national hygienic standard and catches the harmful substances with less energy consumption.

  5.济南排烟罩必须坚固耐用。

  5. Ji'nan exhaust hood must be strong and durable.

  6.当济南排烟罩不能设置在有害物源附近或罩口至有害物源距离较大时,可以设置吹吸罩。吹吸罩对于有害物源上挂有遮挡气流的工件或隔断气流的物体时应慎用。

  6., when the smoke hood of Ji'nan can not be set near the harmful source or the distance from the cover to the harmful source is large, the suction hood can be provided. The suction hood should be used with caution when it is used to remove objects or cut off airflow from the harmful sources.

  7.济南排烟罩的罩口宜顺着气流的运动方向,以利有害气流直接进入罩内。但排气线路不允许通过工人的呼吸带。

  7. the hood of the smoke hood of Ji'nan should be in the direction of the air flow, so that harmful air flows into the hood directly. But the exhaust lines are not allowed to pass through the worker's breathing belt.

  8.外部罩、接受罩、吹吸罩应布置在避免存在干扰气流之处。济南排烟罩的设置应做到方便工人操作和设备维修。

  8. external hoods, receiving hoods, and suction hoods shall be arranged to avoid interference with airflow. The installation of smoke hood in Ji'nan should be convenient for workers' operation and equipment maintenance.

  本文的精彩内容来自济南排烟罩详细内容请点击我们的官方网站: http://www.jnqsg.com/谢谢您的到来!

  The exciting content of this article comes from the smoke hood of Ji'nan. Please click on our official website: http://www.jnqsg.com/, thank you for coming!

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