Applied research of typhoon rainstorms defence technology in water treatment plant
The recent design scale of X water treatment plant was 25×104 m3/d,and the water treatment process of Pre-ozonation contact tank,Grid flocculation tank,Horizontal flow sedimenta-tion tank,V-type filter,Sodium hypochlorite disinfection was adopted.Water supply security was seriously affected by frequent typhoon rainstorms.First class load power supply and diesel genera-tor was adopted to improve power supply assurance factor.The coagulant storage time was increased to 45 d to safeguard coagulant supply during typhoon rainstorms,and solid reagent was applied to reduce land use.The in-site preparation of sodium hypochlorite was adopted to replace bought-out finished unit disinfectant to avoid transport influence of typhoon rainstorms.To adapt to high temperature and high humidity climate,the design of sodium hypochlorite reservoir was majorized and vacuum pump was used to pump start-up to reduce pumping station depth.Vertical staircase design of plant was used to reduce the earth volume and structure superposition process was used to reduce land use.
Diesel generatorSodium hypochloriteVertical staircase designSuperpo-sition process
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维普
