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Wuxi Wanchuan Environmental Equ-Ipment Technology Co.,Ltd

Test run requirements and air volume of dissolved air system

During the trial operation of the dissolved air system, the water can be added to make the water level of the air floater reach about 20-50mm from the upper edge of the sludge tank partition, and the water level of the whole equipment air floatation tank can be adjusted when used. of,

Dissolved air system operation: close all control valves, turn the electric appliance knob switch to the automatic position, start the water pump, then the air compressor also enters the automatic working state, then sequentially open the lifting water pump inlet valve, outlet valve, control valve, pressure gauge The pressure gradually rises and should generally reach 0.4-0.5 MPa.

  

The dissolved air system opens its dissolved air tank outlet control valve under such circumstances, so that the dissolved air water can be released into the air floating pool to a certain extent through the release device, and a large amount of it appears in the air floating pool during operation. Fine bubbles, so that the water becomes white, the dissolved air system is normal, and the higher the dissolved air pressure, the higher the density of dissolved dissolved air bubbles. The air of the dissolved air system is supplied by an air compressor. As the dissolved air continuously takes the air inside the tank, the air inside the tank gradually decreases and the water level rises. When the water level rises to a certain position, the float level gauge will control the air compressor to work, so that there is enough air in the tank.

  

During the operation of the dissolved air system, after the dissolved air system is in normal operation, it is necessary to send the sewage after the dosing reaction to the air-floating mixing tank, the flow rate is first smaller, and gradually increases to the rated value after normal. Dissolved air: The dissolved water first uses tap water as reflux water. After normal, the treated water is used as reflux water. For example, if the amount of detergent in the wastewater is large and the foam is large, the effect of air flotation is affected, and the water can be used all the time.

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