Treatment system and method for circulating cooling water of power plant

Abstract

The invention discloses a treatment system and a method for circulating cooling water of a power plant. The treatment system comprises a cooling water tank, the cooling water tank is connected with asedimentation tank, the sedimentation tank is connected with a primary filter tank, the primary filter tank is connected with a secondary filter tank, the secondary filter tank is connected with a water quality stabilizing tank, the water quality stabilizing tank is connected with a pH regulating tank, the pH regulating tank is connected with a scale and corrosion inhibition tank, the scale and corrosion inhibition tank is connected with an electrostatic treatment tank, the electrostatic treatment tank is connected with a magnetization treatment tank, the magnetization treatment tank is connected with a precision filtering tank, and the precision filtering tank is connected with a circulating tank; cold cutting water is subjected to multiple treatment through the sedimentation tank, the primary filter tank, the secondary filter tank, the water quality stabilizing tank, the pH regulating tank, the scale and corrosion inhibition tank, the electrostatic treatment tank, the magnetization treatment tank and the precision filtering tank, scaling can be effectively prevented, meanwhile, an old scale layer can be loosened and dissolved, and use is quite convenient.

Description

technical field [0001] The invention relates to the technical field of electric field circulating cooling water treatment, in particular to a treatment system and a treatment method for circulating cooling water of a power plant. Background technique [0002] Circulating cooling water accounts for a large proportion of the total water used in thermal power plants. The annual water consumption of a thermal power plant with an installed capacity of one million kilowatts can reach 20 million m 3 , 60% to 80% of its water consumption is mainly used for circulating cooling systems. China is a country with a shortage of water resources, and water supply has become one of the bottleneck factors restricting the construction and production of thermal power plants. [0003] The main equipment systems of thermal power generation include: fuel supply system, water supply system, steam system, cooling system, electrical system and some other auxiliary processing equipment. In the coolin...

AI Technical Summary

Problems solved by technology

In the cooling system, the water resources are cooled and recycled, and in the long-term use of the circulating cooling water, water quality stabilizing agents, fungicides, etc. need to be added regularly to control the scaling of the circulating cooling water system. In the prior art Generally, the circulating cooling water of the power plant is treated by artificial dosing to prevent scaling, but this method is too simple, and the effect of preventing scaling is average. After the cooling water is used for a period of time, it will cause scaling in the copper tube of the condenser Seriously, it affects the normal use of the condenser, and manual descaling is required. Manual descaling will cause damage to the copper pipe and reduce the service life of the copper pipe

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