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Clean the sludge and sediment in the high-efficiency sedimentation tank in a timely manner, so as to avoid the anaerobic fermentation caused by too much sludge, sludge floatation, deterioration of water quality, and influence the normal operation of the high-efficiency sedimentation tank.

When cleaning the high-efficiency sedimentation tank, the following matters shall be noted:

1. Each person participating in the sludge cleaning of the central high-efficiency sedimentation tank shall be familiar with and strictly abide by the construction scheme and safety technical measures for the cleaning of the high-efficiency sedimentation tank.

2. The cleaning personnel of high-efficiency sedimentation tank shall take preventive measures and obey the command during construction.

3. Before cleaning, check whether the turning cage welding points are firm and whether the turning cage is intact and flexible.

4. When cleaning up the waste in the high-efficiency sedimentation tank, a special person shall be assigned to supervise and manage to avoid the phenomenon of waste gushing out of the high-efficiency sedimentation tank.

5. During the cleaning and transportation of dirt, the site shall not be dropped to ensure the sanitation of the site.