Abstract:
An entrance bushing for an electric treater subject to high voltage, temperature and pressure operating conditions. The bushing mounts in the treater by a threaded adapter on one end of an interiorly extending cylindrical Teflon member. First and second sleeves with closed ends are threaded into the member to extend coaxially from a longitudinal passage receiving an electrical conductor connected between an external power source and internal electrical treater components. Any fluid leaking between the adapter and member is vented exteriorly of the first sleeve and passage. The second sleeve is permanently bonded and sealed to the member by a polymer sealing element (fluorinated ethylene propylene resin) compressed between interengaged threads to exclude voids and mechanical-thermal induced seal disruption. A third sleeve encloses the second sleeve with an electrical interconnection provided by a flexible lead to isolate the sealing element from mechanical impacts.
Abstract:
A SYSTEM FOR ELECTRICALLY TREATING EMULSIONS IN A VESSEL CONTAINING INLETS AND OUTLETS, AND AN ELECTRIC FIELD FORMED BY AN ENERGIZED ELECTRODE CONNECTED TO AN EXTERNAL TRANSFORMER. A FIRST CONDUIT EXTENDS UPWARDLY FROM THE VESSEL TO A BRANCH CONDUIT WHICH CONNECTS TO A PAIR OF ARM CONDUITS EXTENDING DOWNWARDLY TO CLOSED ENDS. A SUPPORT ROD EXTENDS IN THE FIRST CONDUIT FROM THE ENERGIZED ELECTRODE AND CONNECTS THROUGH A HORIZONTAL SUPPORT ROD TO AN ARM SUPPORT ROD IN EACH CONDUIT. EACH ARM SUPPORT ROD IS SECURED TO THE TOP OF A CYLINDRICAL INSULATOR RESTING WITHIN A SOCKET UPON THE CLOSED END OF THE ARM CONDUITS AT A POSITION SPACE FROM THE BRANCH CONDUIT. THE HEAT EX-
CHANGER MEANS CREATE A TEMPERATURE GRADIENT BETWEEN THE INSULATORS AND THE INTERIOR OF THE VESSEL. THE LIQUID IN THE VESSEL CAN BE AT ELEVATED TEMPERATURES (E.G., 500* F.) WHILE THE INSULATORS REMAIN AT RELATIVELY LOW TEMPERATURES (E.G., 100* F.) DURING ELECTRICAL RESOLUTION OF EMULSIONS.