1.設(shè)備運行時受到振動將影響設(shè)備正常工作，所以設(shè)備和風(fēng)機的風(fēng)管連接時必須采用軟連接；

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.風(fēng)機的出口好保留一段≥1.5D的直管，以減少風(fēng)機的附加阻力；

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.為保證設(shè)備的凈化效率，各風(fēng)管的接駁處及法蘭位需采取防漏風(fēng)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.為保證設(shè)備的凈化效率，設(shè)備應(yīng)工作在負(fù)風(fēng)壓狀態(tài)，即風(fēng)機必須裝在設(shè)備的后面，管道復(fù)雜時應(yīng)在前面吸油煙罩加裝引風(fēng)機；

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.當(dāng)多臺設(shè)備并聯(lián)使用，由統(tǒng)一的抽風(fēng)機抽風(fēng)的時候，也必須保證分配給各臺設(shè)備處理風(fēng)量的比例接近他們額定處理風(fēng)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.為保證設(shè)備的凈化效率，與設(shè)備出入風(fēng)口連接的變徑風(fēng)管要盡量平順夾角≤30度，變徑風(fēng)管前后必須安裝長度比管徑大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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