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如何對回轉風機做運行檢查?

文章來源: 作者:羅茨機電 發布時間:2022-02-14 瀏覽次數:605

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在對濟南風機機械調試時,應該仔細閱讀產品說明書,檢查接線方式是否與接線圖一致;仔細檢查風機電源工作電壓是否符合要求,電源是否異相或同相,電氣元件容量是否符合要求。

During the mechanical commissioning of Jinan fan, carefully read the product manual and check whether the wiring mode is consistent with the wiring diagram; Carefully check whether the working voltage of fan power supply meets the requirements, whether the power supply is out of phase or in phase, and whether the capacity of electrical components meets the requirements.

建議調試期間至少有兩人,一人控制電源,一人觀察風機運行情況。如發現異常,應立即停機檢查;首先,檢查旋轉方向是否正確;風機開始運行后,立即檢查各相運行電流是否平衡,是否大于額定電流;如有異常,應停機檢查。運行5分鐘后,關閉風機檢查是否有異常,確認無異常后再啟動運行

It is recommended that there should be at least two people during commissioning, one to control the power supply and one to observe the operation of the fan. In case of any abnormality, stop the machine immediately for inspection; First, check whether the rotation direction is correct; After the fan starts to operate, immediately check whether the operating current of each phase is balanced and whether it is greater than the rated current; In case of any abnormality, stop the machine for inspection. After 5 minutes of operation, shut down the fan, check whether there is any abnormality, and start the operation after confirming that there is no abnormality

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啟動前檢查:

Pre startup inspection:

檢查管道的地腳螺栓、風機主體、附件、連接件是否緊固,螺栓、螺母是否均勻鎖緊,避免局部過緊或過松。

Check whether the anchor bolts, fan main body, accessories and connectors of the pipeline are fastened, and whether the bolts and nuts are evenly locked to avoid local over tightening or over loosening.

檢查離心風機及管路內部是否有異物。安裝過程中是否忘記工具或其他雜物;風機進出口附近是否有危險因素。

Check whether there are foreign matters inside the centrifugal fan and pipeline. Whether tools or other sundries are forgotten during installation; Whether there are dangerous factors near the inlet and outlet of the fan.

帶水冷軸承的風機,檢查冷卻水管路的供水情況是否正常。

For the fan with water-cooled bearing, check whether the water supply of the cooling water pipeline is normal.

對于聯軸節或皮帶驅動的風機,檢查聯軸節或皮帶輪的安裝是否可靠,V帶的張力是否合適

For the fan driven by coupling or belt, check whether the installation of coupling or belt pulley is reliable and whether the tension of V-belt is appropriate

調試:

Commissioning:

完成上述程序并確認所有項目正常后,可啟動風機進行試運行。

After completing the above procedures and confirming that all items are normal, the fan can be started for trial operation.

打開電源開關3~6秒,立即切斷電源,確認風機氣流方向和葉輪旋轉方向是否正確;注意觀察有無異常聲音、振動等,如有異常,試運行前應按上述流程對機組進行復查和校正。

Turn on the power switch for 3 ~ 6 seconds, cut off the power immediately, and confirm whether the air flow direction of the fan and the rotation direction of the impeller are correct; Pay attention to observe whether there is abnormal sound, vibration, etc. if there is any abnormality, recheck and correct the unit according to the above process before trial operation.

一般情況下,風機啟動時,電機的瞬時電流為其額定電流的5~7倍,然后逐漸減小并穩定。如果電流下降速度太慢,停止操作并檢查電機的供電系統。

Generally, when the fan is started, the instantaneous current of the motor is 5 ~ 7 times of its rated current, and then gradually decreases and stabilizes. If the current drops too slowly, stop the operation and check the power supply system of the motor.

對于裝有調節閥的機組,啟動后應逐漸將啟閉程度調整到合適的流量。同時注意電流的變化,確保電機空載運行。

For units equipped with regulating valves, the opening and closing degree shall be gradually adjusted to the appropriate flow after startup. At the same time, pay attention to the change of current to ensure the no-load operation of the motor.

本文由甘肅回轉風機廠家為您提供,我們的網站是:http://www.makemoore.com我們將以全心全意的熱情為您提供服務,歡迎您的訪問

This article is provided by Gansu rotary fan manufacturer. Our website is: http://www.makemoore.com We will provide you with services with wholehearted enthusiasm. Welcome to visit


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