28
2020
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09
The role of automatic filter in the treatment of circulating cooling water can not be ignored
Author:
The main purpose of the treatment of circulating cooling water is to eliminate or reduce scale, corrosion, microbial growth, dirt and other hazards through the automatic filter, so as to make the system run safely and reliably. At the same time save water resources, reduce environmental pollution, automatic filter in the treatment of circulating cooling water can not be ignored.
Among them, suspended substances, including suspended impurities, dust, soil, algae microorganisms, floc, other inorganic and organic impurities, are mainly the residual parts of products entered from air and supplementary water, after treatment of supplementary water, pollution to circulating water in the production process, in the circulation system, As a result of chemical reactions and other effects of suspended matter, such as corrosion products and slime off into the water.
Generally for coarse suspended solids using automatic coarse filter, coagulation precipitation, fine suspended solids using high precision automatic filter, the use of sterilization and algal killing agent.
The sediments deposited on pipelines and equipment are mainly composed of mud scale, salt scale, Caco3, Caso4, Ca3(po4)2, Mgsio3, dirt, etc. Mud scale is the sediment with suspended impurities such as soil as the main component, salt scale is the sediment with salt as the main component, due to the concentration of salt in circulating water, the addition of phosphate and the leakage of process materials caused by the precipitation of salt components, dirt is the sediment with microbial reproduction as the root cause.
The role of automatic filter in circulating cooling water
For dirt and dirt, it is mainly controlled by adding dispersant, adding coagulant, precipitation and automatic filter. Add fungicide to control fouling.
Pipe corrosion and wood corrosion control, pipe metal corrosion is mainly caused by electrochemistry, microorganisms, acid, and wood corrosion is mainly caused by fungi and chlorine gas action caused by decay.
The control of metal corrosion can be used to add corrosion inhibitor, fungicide to treat, wood anticorrosion treatment and sterilization and other treatment methods.
The treatment of circulating cooling water is mainly to remove suspended matter in the water by automatic filter, add dispersed coagulant to remove dirt (dirt, slime, scale), add corrosion inhibitor to control corrosion and bactericide to control microorganisms.
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