1.設(shè)備運(yùn)行時(shí)受到振動(dòng)將影響設(shè)備正常工作，所以設(shè)備和風(fēng)機(jī)的風(fēng)管連接時(shí)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(jī)的出口好保留一段≥1.5D的直管，以減少風(fēng)機(jī)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(jī)必須裝在設(shè)備的后面，管道復(fù)雜時(shí)應(yīng)在前面吸油煙罩加裝引風(fēng)機(jī)；

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(tái)設(shè)備并聯(lián)使用，由統(tǒng)一的抽風(fēng)機(jī)抽風(fēng)的時(shí)候，也必須保證分配給各臺(tái)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(zhǎng)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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