OPERATION OF WATER SOFTNER

1.0 AIM
To lay down a standard operating procedure for Water Softner.
2.0 SCOPE
Maintenance Department
3.0 AREA OF OPERATION
Boiler house.
4.0 RESPONSIBILITY
Operator/Maintenance Supervisor concerned.
5.0 ACCOUNTABILITY
Maintenance Incharge.
6.0 NORMAL OPERATION
6.1 Open the valves V1, V3, V6 and
6.2 Close the valves V2, V4, V5 and V7
6.3 Adjust inlet valves V1, so that inlet water pressure will be maintained at 2.0 kg/cm2.
6.4 Run the plant to fill the storage tank below the overflow level pipe.
7.0 BACK - WASH OPERATION
Back wash the softner after every two days in the daily use.
7.1 Open valves V1, V2, V5
7.2 Close valves V3, V4, V5 and V7.
7.3 Adjust water flow by the inlet V1 and backwash the Softner
for 30-40 minutes.
7.4 Put the unit in normal operation after backwash operation.
7.5 SOFTNER REGENERATION
A) Preparation of Brine Solution :
Take 7.0 Kgs. of common salt in the tank and dissolve it in the water. Make level of water in the brine tank, upto marked level.
B) Close V3, V4, V6
C) Open V1, V2, V5 and V7
Adjust the flow of water by the valve V1, check the level of brine solution in decreasing. Regeneration period i.e. brine injection speed adjust to 20 minutes.
D) After brine injection, start slow rinse
Close V7, and adjust the flow of water through the Softner slowly 20 minutes.
E) Increase inlet valve V1 so that water will flow fastly, Run for 20 minutes.
F) After regeneration put the unit in normal operation.
8.0 REVIEW DATE:
After 2 years or when procedure is changed.