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Standardized preparations for Dongguan central air conditioning duct cleaning process


1. Understand the layout of the new air pipe, return air pipe and air supply pipe system according to the drawings.

2. Clean and disinfect the air duct system.

Third, select the suction air outlet and cleaning air outlet.

Fourth, use the ventilation pipe monitoring system to check the degree of pollution in the pipeline and the characteristics of the pipeline structure, and select the appropriate cleaning equipment.

Fifth, equipment and tools to the designated location, and covered the items below the construction site with felt cloth, the electrician began to connect temporary power, a technical person in charge of the construction entry point to clean the duct.


1. Preliminary preparation

2. Block the system and place it in one end of the uncleaned air duct to fully isolate the cleaning area from the non-cleaning area and avoid secondary pollution.

3. The high-efficiency vacuum dust collection system is connected and fixed with the air duct system, and the vacuum cleaner is turned on.

4. Put the cleaning robot into the air pipe to clean it evenly.

6. After cleaning the air duct in this section, turn off the vacuum cleaner and dispose of the dirt in the collector.

7. Clean the fire valve of this operation section. If it cannot be cleaned, it should be cleaned at the side of the fire valve.

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