Water purifying plants and water treatment
facilities which take in river water or ground water and then produce clean
water and industrial water, utilize various chemicals in order to neutralize,
oxidize and deoxidize the original water in each process. It is important
to keep the amount of these chemicals at the appropriate levels in order
to comply with pollution control standards relative to the quantity of the
original water. This control influences treatment efficiency, quality of
clean and industrial water and their cost of treatment.
 The
illustration shows the flow chart of a hypochlorous acid feeding system
as an example of chemical feeders used for disinfection, deodorization,
and also removal of iron and manganese. The electromagnetic flowmeter, automatic
control valve and the injector are all major components in this configuration.
The M-System Mini-top is employed as an actuator for the automatic control
valve which gives the following remarkable results:
1) A compact and lightweight system
2) No need for any air pressure supply
3) Improved control performance
4) Capability of monitoring the valve opening angle |
