The SY series multi valve system softener is a standard configuration product of our company. It adopts a fixed single-layer bed process and downstream regeneration. When the water softener is working, the source water passes through the resin layer from top to bottom, and the Ca2+Mg2+in the water is continuously adsorbed and removed by the ion exchange resin. The Na+in the ion exchange resin is continuously precipitated, thereby softening the raw water. When the effluent reaches a certain amount, the ion exchange resin will be saturated with Ca2+Mg2+ions and become ineffective, losing its exchange capacity. It must be shut down for regeneration.

When regenerating, it is required to first backwash the resin layer to remove suspended solids and other impurities that may be intercepted by the upper resin layer, while also loosening the resin layer. Then salt is introduced from the upper part of the resin tank, and the regenerated waste liquid is discharged through the lower discharge. During the process of entering the salt, the high concentration of Na+in the salt water replaces the Ca2+Mg2+ions adsorbed by the failed resin, and is discharged together with the regenerated waste liquid to achieve the purpose of activating the resin. After the salt absorption is completed, replace the concentrated salt water in the resin layer with about one to two times the volume of water. Finally, perform a positive washing process to thoroughly remove any residual salt solution from the resin layer. During the regeneration process, the concentrated salt solution is automatically drawn in through an injector and mixed to a predetermined concentration before being sent to the exchanger. The concentration of the regeneration agent can be freely adjusted through a valve.

The entire soft water system adopts fully automatic control, with flow control at the end of operation and downstream regeneration. The working status of each tank is as follows: operation → regeneration (backwashing, salt absorption, replacement, positive washing) → operation.

The salt system is an important component of the water softener, and its operational reliability directly affects the quality of the equipment's effluent water and the periodic water production.