Heating oil container with lower-layer - fluid on the screening bed

摘要

The heating oil container, with lower-layer liquid has an anode for cathode protection and a unit for controlling the protection current. A chemically inert parasitic current anode is installed in the weak alkaline buffer soln. The positive is connected to the DC source of an alarm unit, while the negative is connected to the container plate. Pref. the anode is a platinum coated titanium wire, and the buffer soln. is saturated NaHCO3 soln.