Softening devices sodium ion exchange is used to remove water calcium and magnesium ions, preparation of demineralized water of ion exchange. The composition of the water hardness, calcium, magnesium, and softening in the ion exchange resin to exchange the water calcium and magnesium ions by sodium ion exchange, so that the water is not easy to form carbonate scale and sulfate scale, resulting in softened water. 
 Stainless steel ion-exchange 
 Stainless steel rubber lined ion exchange unit, corrosion resistance, aesthetic appearance, apply to the food, pharmaceutical, sugar and industrial small-scale pure water preparation. 
 Carbon steel ion exchanger 
 Exchange device has a system of carbon steel lining ion water, high strength, low cost, applicable to large-scale boiler demineralized water and large-scale preparation of pure water. 
 The working principle of ion exchange. 
 Runtime: the cation resin (HR) + (M +) ->: (MR) + (H +) 
 Anion exchange resin (OH-R) + (X-) ->: (XR) + (OH-) 
 Where M + is the metal ion, the X-anion. 
 The regeneration process for its inverse process.