What is the condition of boiler water turbidity

What is the condition of boiler water turbidity

1) The quality of boiler feedwater is unqualified, with turbidity or high hardness;

2) The boiler does not discharge pollutants for a long time or the discharge volume is insufficient;

3) The new furnace or the furnace after maintenance is in the initial stage of start-up;

4) Abnormal combustion or water flow conditions result in significant load fluctuations.