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What are the technical methods of circulating water in power plant?Add time:2016-12-28
Power plant circulating water treatment agents in the application process， mainly in the following categories：
1 composite inhibitor： unit operation before， according to an industry investment water circulating water commonly used insecticides after drug concentration control in 10mg/L， add in the operation of the unit： the agent according to the proportion of 1：3 in chemical tank， diluted with water， mixing mixer with metering pump， and then make the enter the circulation pool. The concentration of organic phosphine in the circulating water is greater than or equal to 1.5 mg/L， and the circulating water is discharged periodically. To control the concentration of copper ion in water and add water soluble copper corrosion inhibitor.
2 fungicides： adding oxidizing bactericide in the operation of the unit. Oxidative bactericide as conventional fungicides， the oxidizing chemicals will cause corrosion of equipment and facilities， so to control the amount of effective chlorine， it is safe to control around 1 mg/L， and the need to control the sterilization time. Non oxidizing bactericide is also added in the operation of the unit， usually in the spring and summer autumn three seasons， monthly or quarterly shocks，
3 polyferric sulfate： poly ferric sulfate can be used in power plants to treat different kinds of wastewater. This kind of water treatment chemicals with technical and economic advantages in water treatment and other treatments can solve the water consumption amount is large relatively difficult problems such as dehydration， thereby reducing the production cost and operation cost of enterprises to a great extent. Especially for electroplating wastewater treatment and reuse is the most economical and effective， applicable water treatment flocculant.
4 polymerization aluminum chloride： before use to do settlement ratio test， get the basic data， according to the test dose. The amount in the range of 30 ~ 120mg/L， running in filter effluent water or reagent. Diluted with water according to the proportion of 1：5 (solid agent diluted according to 1：15)， the use of metering pumps to pump the solution into the coagulation tower. In winter， the activated sludge can be added to increase the settling effect.
1 composite inhibitor： unit operation before， according to an industry investment water circulating water commonly used insecticides after drug concentration control in 10mg/L， add in the operation of the unit： the agent according to the proportion of 1：3 in chemical tank， diluted with water， mixing mixer with metering pump， and then make the enter the circulation pool. The concentration of organic phosphine in the circulating water is greater than or equal to 1.5 mg/L， and the circulating water is discharged periodically. To control the concentration of copper ion in water and add water soluble copper corrosion inhibitor.
2 fungicides： adding oxidizing bactericide in the operation of the unit. Oxidative bactericide as conventional fungicides， the oxidizing chemicals will cause corrosion of equipment and facilities， so to control the amount of effective chlorine， it is safe to control around 1 mg/L， and the need to control the sterilization time. Non oxidizing bactericide is also added in the operation of the unit， usually in the spring and summer autumn three seasons， monthly or quarterly shocks，
3 polyferric sulfate： poly ferric sulfate can be used in power plants to treat different kinds of wastewater. This kind of water treatment chemicals with technical and economic advantages in water treatment and other treatments can solve the water consumption amount is large relatively difficult problems such as dehydration， thereby reducing the production cost and operation cost of enterprises to a great extent. Especially for electroplating wastewater treatment and reuse is the most economical and effective， applicable water treatment flocculant.
4 polymerization aluminum chloride： before use to do settlement ratio test， get the basic data， according to the test dose. The amount in the range of 30 ~ 120mg/L， running in filter effluent water or reagent. Diluted with water according to the proportion of 1：5 (solid agent diluted according to 1：15)， the use of metering pumps to pump the solution into the coagulation tower. In winter， the activated sludge can be added to increase the settling effect.
