| 摘要 |
A water softening device is provided with a waste storage tank for receiving waste liquid, such as hard water used to draw out brine from a brine storage tank, as well as the used brine itself during a regeneration cycle. The tank outlet communicates with a sprinkler system, and when the sprinkler system is on, an injector valve sucks waste liquid from the waste tank to mix it in with the sprinkler system water and thereby further dilute the liquid. A method of processing the waste water accordingly includes collecting this waste liquid and preferably mixing it in with the sprinkler fluid. The brine waste and brine supply tanks in one embodiment are preferably formed as one unit with two separate compartments. The inlet pipe to the brine waste compartment has an overflow safety valve which senses, through a float mechanism, when the tank is substantially full. The valve has a normally closed port connected to a leach line or the like. This normally closed port opens when the substantially full condition is sensed, while the normally open port leading to the interior of the tank closes, so that incoming waste water passes through the valve to the leach line without changing the water level in the tank.
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