燃?xì)獍l(fā)電機(jī)組停機(jī)前需要關(guān)閉的閥門(mén)主要包括以下幾個(gè)：

　　The valves that need to be closed before shutting down the gas generator set mainly include the following:

　　氣源蝶閥：在機(jī)組油溫、水溫降至40°C以下時(shí)，需要關(guān)斷機(jī)組的氣源蝶閥，以切斷燃?xì)獾墓?yīng)，防止不必要的燃?xì)庑孤┖桶踩L(fēng)險(xiǎn)。

　　Air source butterfly valve: When the oil and water temperature of the unit drops below 40 ° C, the air source butterfly valve of the unit needs to be turned off to cut off the supply of gas, prevent unnecessary gas leakage and safety risks.

　　電磁閥開(kāi)關(guān)：在停機(jī)過(guò)程中，需要將電磁閥開(kāi)關(guān)置于斷開(kāi)位置，以確保燃?xì)夤?yīng)的完全切斷。

　　Electromagnetic valve switch: During the shutdown process, the electromagnetic valve switch needs to be placed in the off position to ensure complete cut-off of gas supply.

　　電調(diào)開(kāi)關(guān)：同樣需要置于斷開(kāi)位置，以配合電磁閥開(kāi)關(guān)，確保燃?xì)獍l(fā)電機(jī)組的完全停機(jī)。

　　Electric control switch: It also needs to be placed in the off position to cooperate with the solenoid valve switch, ensuring the complete shutdown of the gas generator set.

　　燃料閥門(mén)：在控制面板上，將發(fā)電機(jī)開(kāi)關(guān)和自動(dòng)調(diào)速裝置開(kāi)關(guān)置于“OFF”位置的同時(shí)，需要關(guān)閉燃料閥門(mén)，進(jìn)一步確保燃?xì)夤?yīng)的切斷。

　　Fuel valve: On the control panel, while placing the generator switch and automatic speed control device switch in the "OFF" position, the fuel valve needs to be closed to further ensure the cut-off of gas supply.

　　機(jī)組進(jìn)風(fēng)口閥門(mén)（如適用）：在停機(jī)后，可以關(guān)閉機(jī)組進(jìn)風(fēng)口閥門(mén)，以避免灰塵和雜物進(jìn)入機(jī)組內(nèi)部，保持機(jī)組的清潔和良好運(yùn)行狀態(tài)。但請(qǐng)注意，這一步驟并非所有燃?xì)獍l(fā)電機(jī)組都必需，具體應(yīng)根據(jù)機(jī)組型號(hào)和制造商的指導(dǎo)來(lái)確定。

　　Unit air inlet valve (if applicable): After shutdown, the unit air inlet valve can be closed to prevent dust and debris from entering the unit and maintain the cleanliness and good operating condition of the unit. However, please note that this step is not necessary for all gas-fired power generation units and should be determined based on the unit model and manufacturer's guidance.

　　此外，在停機(jī)前還需要做好以下準(zhǔn)備工作：

　　In addition, the following preparations need to be made before shutting down:

　　卸去負(fù)荷：逐漸降低發(fā)電機(jī)組的負(fù)荷，確保機(jī)組處于空載狀態(tài)。這可以通過(guò)逐步關(guān)閉連接到發(fā)電機(jī)組的負(fù)載設(shè)備或逐漸減少負(fù)荷來(lái)實(shí)現(xiàn)。

　　Unload load: gradually reduce the load on the generator set to ensure that it is in an unloaded state. This can be achieved by gradually shutting down the load devices connected to the generator set or gradually reducing the load.

　　冷卻運(yùn)行：讓發(fā)電機(jī)組在低負(fù)荷狀態(tài)下運(yùn)行一段時(shí)間，以便冷卻系統(tǒng)正常運(yùn)行，并將發(fā)電機(jī)組中的余熱散發(fā)掉。這有助于保護(hù)發(fā)電機(jī)組的部件和延長(zhǎng)其壽命。

　　Cooling operation: Run the generator set at low load for a period of time to ensure the normal operation of the cooling system and dissipate the waste heat in the generator set. This helps to protect the components of the generator set and extend its lifespan.

　　檢查：進(jìn)行必要的檢查，包括檢查燃料供應(yīng)、潤(rùn)滑油和冷卻液的水平，確保足夠的余量。同時(shí)檢查發(fā)電機(jī)組是否存在任何異常情況或故障，并及時(shí)處理。

　　Inspection: Conduct necessary checks, including checking the levels of fuel supply, lubricating oil, and coolant, to ensure sufficient margin. At the same time, check whether there are any abnormal situations or faults in the generator set and handle them in a timely manner.

　　在停機(jī)過(guò)程中和停機(jī)后，還需要密切觀察機(jī)組的運(yùn)行狀態(tài)，確保機(jī)組能夠平穩(wěn)地停機(jī)，無(wú)異常聲響和振動(dòng)。等待機(jī)組完全停止后，可以關(guān)閉控制屏的電源，并切斷機(jī)組的總電源。

　　During and after the shutdown process, it is necessary to closely observe the operating status of the unit to ensure that it can shut down smoothly without any abnormal sounds or vibrations. After the unit has completely stopped, the power supply to the control panel can be turned off and the main power supply to the unit can be cut off.

　　請(qǐng)注意，以上步驟可能因不同的發(fā)電機(jī)組型號(hào)和制造商而有所差異。因此，在停機(jī)之前，務(wù)必查閱并遵循相應(yīng)的操作手冊(cè)和指南。同時(shí)，如果對(duì)于操作不確定或沒(méi)有專業(yè)知識(shí)，請(qǐng)咨詢專業(yè)技術(shù)人員或發(fā)電機(jī)組制造商的支持團(tuán)隊(duì)。

　　Please note that the above steps may vary depending on different generator models and manufacturers. Therefore, before shutting down, it is necessary to consult and follow the corresponding operation manual and guidelines. Meanwhile, if you are unsure about the operation or lack professional knowledge, please consult professional technicians or the support team of the generator set manufacturer.

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