The ventilation system of an air-cooled generator room can be summarized as four systems

平時通風系統

Regular ventilation system

柴油發電機組組房通風換氣用，就是一般10～15次換氣次數的通風量，可僅設排風機 如果給排水有氣體滅火，這套系統還要承擔滅火完畢后的排風系統。

The ventilation and ventilation system for diesel generator set rooms is usually 10-15 ventilation times, and can only be equipped with exhaust fans. If there is gas in the water supply and drainage system to extinguish the fire, this system also needs to bear the exhaust system after the fire is extinguished.

發電機組發電機工藝進排風系統

Generator process air intake and exhaust system for generator sets

電機本身有個很大的排風管，這個是發電機自帶的，我們配合提一個風井就可以，同時設計進風系統補充排風量和發電機組燃燒空氣量(電氣提資)，設送風機，此系統風量很大。

The motor itself has a large exhaust duct, which comes with the generator itself. We can cooperate with the installation of an air shaft, and at the same time, design an air intake system to supplement the exhaust air volume and the combustion air volume of the generator set (electrical supply). Install a supply fan, which has a large air volume in this system.

這一套系統也有設計是預留風井而已，與發電機報價無關。

This system is also designed as a reserved air shaft and is not related to the generator quotation.

柴油發電機組發電機排廢氣系統

Diesel generator generator exhaust system

牽涉到環保問題，通常稱之為“排煙管”，發電機自帶，電氣的標準圖集上還設專門給這個系統設一個井，實際上工程設計建筑很難有這么多空地。多半是由發電機排風井排出室外 ，還有不明白的問題可以直接聯系發電機廠家。

It involves environmental protection issues, commonly referred to as "smoke exhaust pipes". The generator comes with it, and the electrical standard atlas also has a dedicated well for this system. In fact, it is difficult for engineering design buildings to have so much open space. Most likely, it is discharged from the outdoor through the generator exhaust shaft. If you have any questions, you can directly contact the generator manufacturer.

儲油間排風系統

Oil storage room exhaust system

可以與1合用，此時通往儲油間的支管上設止回閥防火閥;也可以單獨設系統，采用防爆通風機。

It can be used in conjunction with 1, and a check valve and fire damper are installed on the branch pipe leading to the oil storage room; Alternatively, a separate system can be installed using explosion-proof ventilation fans.

二柴油發電機組房通風包括兩部分，平時通風和工作通風。

The ventilation of the diesel generator set room includes two parts: regular ventilation and working ventilation.

平時通風：風冷和水冷發電機的機房平時通風取6次換氣次數，儲油間通風換氣次數不小于3次。對于采用氣體滅火系統的機房，在火災后，本通風系統負責排除室內廢氣，但不是事故通風。

Daily ventilation: The machine rooms of air-cooled and water-cooled generators should have 6 ventilation changes, and the ventilation changes in the oil storage room should not be less than 3 times. For computer rooms using gas fire extinguishing systems, this ventilation system is responsible for removing indoor exhaust gases after a fire, but it is not accident ventilation.

工作通風：柴油發電機組須考慮工作耗氧所需空氣量;風冷發電機冷卻風量大，一般采用自然進風，柴油發動機自帶風扇壓力排放，但250kw柴油發電機組自帶風機壓頭只有150Pa左右，在井道阻力大時需增加風機克服井道阻力，一般進風井阻力大，加進風機;排風井阻力大，則加排風機。

Working ventilation: The diesel generator set must consider the amount of air required for working oxygen consumption; The air-cooled generator has a large cooling air volume and generally adopts natural air intake. The diesel engine comes with a fan for pressure discharge, but the 250kw diesel generator set comes with a fan pressure head of only about 150Pa. When the shaft resistance is high, a fan needs to be added to overcome the shaft resistance. Generally, when the shaft resistance is high, an inlet fan needs to be added; If the resistance of the exhaust shaft is high, an exhaust fan should be added.

柴油發電機組房采用氣體滅火，進排風通道上應設電磁閥，在250kw柴油發電機組房發生火災氣體滅火啟動時，連鎖關閉這些閥門，以保證滅火效果。

The diesel generator room adopts gas fire extinguishing, and electromagnetic valves should be installed on the inlet and exhaust channels. When a fire occurs in the 250kw diesel generator room and gas fire extinguishing is activated, these valves should be interlocked and closed to ensure the fire extinguishing effect.

柴油發電機組排煙為有壓排煙，煙氣溫度高，氣流速度高，煙氣需高空排放，煙管應考慮保溫隔熱，同時需設減震吊架。

The smoke exhaust of diesel generator sets is pressurized smoke exhaust, with high smoke temperature and airflow speed. The smoke needs to be discharged from high altitude, and the smoke pipe should be considered for thermal insulation, and shock absorption hangers should be installed.

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