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1、前期準備

1. Preliminary preparation

2、阻斷系統放入不清洗的風管中一端，以便充分隔離清洗區和非清洗區，避免二次污染。

2. Block one end of the system into the non cleaning air duct, so as to fully isolate the cleaning area and non cleaning area and avoid secondary pollution.

3、真空集塵系統與風管系統連接、固定，并開啟吸塵器。

3. Connect and fix the vacuum dust collection system with the air duct system, and turn on the vacuum cleaner.

4、將清洗機器人放入風管中均勻清洗。

4. Put the cleaning robot into the air duct for uniform cleaning.

5、此段風管清洗完畢后，關閉真空吸塵器，處理收集器的污物。

5. After cleaning this section of air duct, close the vacuum cleaner and deal with the dirt of the collector.

6、清洗該操作段的防火閥。如清洗不到的應在防火閥一側開口清洗。

6. Clean the fire damper of the operation section. If it cannot be cleaned, it shall be cleaned at one side of the fire damper.

7、錄像監視系統對風管清洗前、中、后進行監測及錄像，保存圖片。

7. The video monitoring system monitors and records the air duct before, during and after cleaning, and saves the pictures.

8、拆掉吸氣管和吸管盤，恢復清洗過的風口，用預先準備好的原系統同種材料，用鉚釘槍封閉風口，并用密封膠將縫隙密封，且恢復保溫材料。

8. Remove the suction pipe and suction pipe disc, restore the cleaned air outlet, use the same material of the original system prepared in advance, close the air outlet with a rivet gun, seal the gap with sealant, and restore the thermal insulation material.

9、檢查風管吊頂的強度，如強度不夠應在頂棚打膨脹螺栓，用預制的角鋼托盤進行加固，以不影響風管強度為原則，嚴格按標準操作。風口及過濾網拆除后到*地點用高壓水槍進行清洗。

9. Check the strength of the air duct ceiling. If the strength is not enough, install expansion bolts on the ceiling and reinforce it with prefabricated angle steel tray. Operate in strict accordance with the standard on the principle of not affecting the strength of the air duct. After the air outlet and filter screen are removed, clean them with high-pressure water gun at the * location.

10、收集所有清洗后的污物，密封運出，并對污物進行處理后，運到指定地點。

10. Collect all cleaned dirt, seal and transport it out, and transport it to the designated place after treatment.

11、一個系統風管清洗完后，對現場進行整理，恢復原狀。

11. After the air duct of one system is cleaned, the site shall be sorted out and restored to its original state.

12、盤管清洗。

12. Coil cleaning.

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