Apparatus for condensation and flashback prevention

Claim 1

APPARATUS FOR CONDENSING AND DRYING GASES FROM DESTRUCTIVE DISTILLATION APPARATUS COMPRISING AN INLET PIPE EXTENDING TO A SPARK ARRESTER, A WATER TRAP AND SCRUBBER, A PIPE CONNECTION FROM SAID ARRESTER TO SAID TRAP, A CONDENSER, A PIPE LEADING FROM SAID TRAP TO SAID CONDENSER, SAID CONDENSER INCLUDING A BOTTOM THROUGH WHICH SAID LAST-MENTIONED PIPE EXTENDS, A DEPENDING CONICAL BAFFLE OVERLYING SAID LAST-MENTIONED PIPE, AN ANNULAR SKIRT ON SAID BAFFLE, A SHIELD HAVING A SKIRT DEPENDING TO A POINT ADJACENT SAID BOTTOM BUT SPACED THEREFROM AND SURROUNDING SAID BAFFLE, SAID SHIELD HAVING A TOP WITH AN OPENING THEREIN, A COOLING COIL SURROUNDING SAID OPENING, A SECOND SHIELD HAVING A TOP OVERLYING SAID OPENING, AND A SKIRT SPACED FROM THE BOTTOM OF SAID CONDENSER, A THIRD SHIELD HAVING A CONICAL TOP WITH AN OPENING AT ITS APEX SURROUNDING SAID SECOND SHIELD, SAID THIRD SHIELD HAVING A SKIRT DEPENDING TO A POINT ADJACENT SAID BOTTOM BUT SPACED THEREFROM, A HOOD HAVING A CLOSED CONICAL TOP AND A SHORT DEPENDING SKIRT SURROUNDING AND OVERLYING SAID THIRD SHIELD, AN EXPANSION TANK SURROUNDING SAID LAST-MENTIONED SHIELD, AND A GAS OUTLET IN SAID EXPANSION TANK, SAID EXPANSION TANK HAVING TWO SPACED PERIPHERAL WALLS, AND MEANS FOR CIRCULATING COOLING WATER BETWEEN SAID WALLS.