专注通风管道加工·排烟罩

1.设备运行时受到振动将影响设备正常工作，所以设备和风机的风管连接时必须采用软连接；

1. when the equipment is running, vibration will affect the normal operation of the equipment, so the connection between the equipment and the fan pipe must be a soft connection;

2.风机的出口好保留一段≥1.5D的直管，以减少风机的附加阻力；

2 of the outlet of the fan is best kept straight for a period of not less than 1.5D, in order to reduce the additional resistance of fan;

3.为保证设备的净化效率，各风管的接驳处及法兰位需采取防漏风措施；

3., in order to ensure the purification efficiency of the equipment, the air duct connection and flange position need to take anti leakage measures;

4.为保证设备的净化效率，设备应工作在负风压状态，即风机必须装在设备的后面，管道复杂时应在前面吸油烟罩加装引风机；

4., in order to ensure the purification efficiency of the equipment, the equipment should work in the state of negative wind pressure, that is, fans must be installed in the back of the equipment. When the pipeline is complex, the fan shall be equipped with a draft fan in front of the hood;

5.当多台设备并联使用，由统一的抽风机抽风的时候，也必须保证分配给各台设备处理风量的比例接近他们额定处理风量的比例。

5., when multiple units are used in parallel, the ventilation rate should be guaranteed to be equal to the proportion of the rated air handling rate.

6.为保证设备的净化效率，与设备出入风口连接的变径风管要尽量平顺夹角≤30度，变径风管前后必须安装长度比管径大2.5倍以上的直管；

6 in order to ensure the purification efficiency of the equipment, to less than 30 degrees angle as smoothly as possible and reducing equipment and outlet pipe connected with the wind, reducing wind pipe must be installed before and after more than 2.5 times larger than the diameter of the length of the straight pipe;

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