The pipeline cleaning shall be qualified, the opening of muffler ventilation valve shall be smooth and continuous, and the automatic valve switch state and position feedback signal shall be correct. The flow, pressure, liquid level and water quality instruments in the measurement system should be tested. The parameters should be set correctly and the corresponding signals can be output correctly. The rotation direction of the pump impeller is correct, and there is no abnormal vibration and noise during the operation. The electrical parameters of the pump motor and the temperature rise after 2 hours of continuous operation shall comply with the provisions of the technical documents of the equipment, and the operating flow and head of the pump shall meet the design requirements. The selection of air switch capacity is reasonable, and the current limiting setting of thermal relay conforms to the actual equipment load. The storage and configuration of chemicals shall be equipped with protective dykes. The anti-corrosion and anti-seepage treatment of yanluozi muffler grid shall be adopted for the foundation, ground and sump of equipment in the dike. The epoxy coating shall be used for the regional coating, and the coating times and thickness shall meet the design requirements. When there is no design requirement, the total thickness of dry coating film shall not be less than 125 μ m, and the allowable deviation shall not be less than 25 μ M. An eye washer is set up nearby. When the corrosive medium and toxic medium pipe is laid overhead, the transparent outer sleeve should be used to avoid the flange, thread and other connection easy to leak on the pedestrian passage or equipment. The ladder and high platform of pure water equipment shall be equipped with protective fence. Between the pipe and the support (suspension), the connector shall be filled with flexible material for isolation, and there shall be no support (suspension), and the clear distance shall be greater than 100 mm. The power bridge and control bridge should be set separately. When the power bridge is combined with the control bridge, the clapboard should be set in the bridge, and the muffler accessories should separate the bridge according to the cable proportion. Insulation test shall be conducted before cable connection, and the insulation resistance shall meet the following requirements: the insulation resistance of control line shall be more than 0.5m ω, and that of power line shall be more than 1m ω. The water tank and pool in the system have been tested and cleaned with full water. The design requires the use of steam Lavender before the tank is filled with water.