The method of controlling the process of ion exchange water softening | tiwater.info

The method of controlling the process of ion exchange water softening | tiwater.info

The article deals with the problem of operational control of the process of ion water softening. The dependence of the electrical conductivity of water on its hardness value for the water softening process is presented. The article presents a control system for the water softening installation based on programmable relay. The results of this system of operational control of the softening process with analysis and conclusions are given.

 

For some reason, the first thing that comes to mind when I look at this graph is that it is an electrocardiogram of the ion exchange water softening unit. It's the rhythm of her heart. As long as the heart beats, the installation is alive. As soon as the fluctuations in values of conductivity fade, the installation "dies", ceases to soften water. But let’s talk about it in due course.  

It is known that the electrical conductivity of water depends on the amount of substance (ions) dissolved in water. The electrical conductivity of the vast majority of natural waters is provided by six types of ions: Cations-Calcium (Ca), Magnesium (Mg), Sodium + Potassium (hereinafter Sodium Na); Anions – Bicarbonate (HCO3), Sulfates (SO4); Chlorides (Cl). Charge transfer in water is carried out by ions. 

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