The location of the kitchen must be more than 20 meters away from the residential area. When the height of the building where the kitchen is located is less than 15 meters, the air outlet must be placed on the top of the building. If the height of the building where the kitchen is located is more than 15 meters and the kitchen is more than 15 meters, the height of the smoke exhaust outlet should be higher than the location of the kitchen.

集氣罩距離地面高度不小于1.9米不大于2.3米，距離地面過(guò)低廚師會(huì)碰頭，過(guò)高不利于集氣罩收集油煙，集氣罩的長(zhǎng)度和寬度都應(yīng)該超過(guò)設(shè)備100mm，也就是說(shuō)集氣罩要完全能覆蓋設(shè)備。

The height of the gas collection hood from the ground should not be less than 1.9 meters and not more than 2.3 meters. If it is too low from the ground, the chef may encounter it. If it is too high, it is not conducive to the collection hood collecting oil fumes. The length and width of the gas collection hood should exceed 100mm of the equipment, which means that the gas collection hood should fully cover the equipment.

設(shè)計(jì)排風(fēng)管道的走向時(shí)要避開消防管道空調(diào)管道，一旦與其沖突，后期安裝會(huì)很麻煩。設(shè)盡量減少風(fēng)管彎頭和變徑，出現(xiàn)彎頭時(shí)角度在90度以內(nèi)，直線管道的排風(fēng)效果是佳的。

When designing the direction of the exhaust duct, it is important to avoid fire and air conditioning ducts. Once in conflict with them, installation in the later stages can be very troublesome. When designing, minimize the number of air duct bends and diameter changes as much as possible. When elbows occur, the angle should be within 90 degrees, and the exhaust effect of straight pipes is the best.

油煙凈化器的風(fēng)量一般要比排煙風(fēng)機(jī)稍大一些。于對(duì)應(yīng)油煙凈化器和排煙風(fēng)機(jī)風(fēng)量選擇可對(duì)應(yīng)生產(chǎn)廠家的參數(shù)表，正規(guī)合格的生產(chǎn)廠家參照表大同小異。

The air volume of the oil fume purifier is generally slightly larger than that of the smoke exhaust fan. As for the selection of corresponding oil fume purifier and smoke exhaust fan air volume, it can correspond to the parameter table of the manufacturer, and the formal and qualified manufacturers can refer to the table with similar differences.

風(fēng)機(jī)與風(fēng)管連接時(shí)，在風(fēng)機(jī)進(jìn)風(fēng)口和出風(fēng)口兩倍葉輪直徑長(zhǎng)度范圍內(nèi)都不能有彎頭，如果出現(xiàn)彎頭，進(jìn)風(fēng)口可能會(huì)造成風(fēng)機(jī)性能異常，出風(fēng)口可能會(huì)引起管道阻力增加，導(dǎo)致風(fēng)機(jī)發(fā)風(fēng)量下降。

When connecting the fan to the air duct, there should be no bends within the length range of twice the impeller diameter of the fan inlet and outlet. If there are bends, the inlet may cause abnormal performance of the fan, and the outlet may cause an increase in pipeline resistance, leading to a decrease in fan air output.

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