The high altitude oil smoke purifier compared with the low oil smoke purifier:

　　，凈化效率上根據他們的命名上我們也可以得出，高空排放油煙凈化器設備就是把凈化的油煙排放到高空中，而低空排放油煙凈化器設備就是將凈化后的氣體直接排放到空氣中。低空排放的油煙凈化器設備相當于是排放到敏感區，所以凈化效率上比高空排放的油煙凈化器設備凈化效率好很多。

　　First, according to their nomenclature, we can also conclude that the high altitude exhaust fume purifier is to discharge the purified oil fumes to high air, while the low level exhaust fume purifier is directly discharged into the air. The exhaust fume purifier at low altitude is emitted to the sensitive area, so the purification efficiency is much better than that of the high altitude exhaust fume purifier.

　　一般高空排放油煙凈化器設備的凈化效率可以達到60%-70%，而低空排放油煙凈化器設備的凈化效率為95%以上。不過這兩種油煙凈化器設備凈化出來的氣體都是可以達到油煙排放標準的要求的

　　The purification efficiency of the equipment of high altitude exhaust fume purifier can reach 60%-70%, and the purification efficiency of the equipment of low emission fume purifier is more than 95%. However, the two kinds of gas purifier equipment can be cleaned up to meet the requirements of the national standards for environmental soot emission.

　　第二，上兩者相對來講，低空排放油煙凈化設備的凈化效率高，內部材料質量好，所以上要比高空排放油煙凈化器設備貴好多。

　　Second, on the other hand, the price is relatively low, and the purification efficiency of low smoke exhaust fume purification equipment is high, and the quality of internal materials is good, so the price is much higher than that of high altitude exhaust fume purifier.

　　第三，管道上高空排放油煙凈化器設備需要將凈化后的氣體送到高空后才排放，所以需要在油煙凈化器的出口處安裝輸油煙管道。而低空油煙凈化器設備可以將凈化后的氣體直接排放到大氣中，所以在出口處不需要制作油煙管道。這也是低空直排油煙凈化器比高空油煙凈化器受歡迎的原因。

　　Third, the exhaust gas purifier on the pipeline needs to send the purified gas to the high altitude before discharging, so it is necessary to install the oil and gas pipeline at the outlet of the oil fume purifier. The low altitude oil smoke purifier can discharge the purified gas directly into the atmosphere, so there is no need to make a fume pipe at the exit. This is also the reason why the low altitude and straight exhaust fume purifier is more popular than the high altitude oil fume purifier.
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