F - Mech Eng,Light,Heat,Weapons – 17 – D
Patent
F - Mech Eng,Light,Heat,Weapons
17
D
162/29
F17D 1/12 (2006.01)
Patent
CA 1085285
ABSTRACT OF THE DISCLOSURE An apparatus and method for the vaporization of a mixture of two liquefied gases in chemical equilib- rium with a binary compound thereof. The apparatus com- prises an enclosed vessel having a liquid zone and a vaporized gas zone. A liquid supply means, in fluid com- munication with the liquid zone, passes the mixture to be vaporized as a liquid from a supply source into the vessel. A heating element, having a housing disposed about it, extends downward through a portion of the interior of the vessel and is adapted to supply suffi- cient heat to vaporize a gaseous mixture from the liquid zone. Means for superheating and removing the vaporized gaseous mixture from the vessel are provided. The method of vaporization comprises withdrawing the mixture as a liquid from a supply source and passing it into the vessel to form a liquid phase. The level of the liquid phase is maintained above a predetermined level and sufficient heat is supplied to vaporize a portion of the liquid phase at a temperature greater than the dew point temperature cor- responding to vapor having substantially the same composi- tion as the known composition of the liquefied gas mixture from the supply source at known pressure, thereby forming a gaseous mixture. The gaseous mixture is removed from the vessel.
328321
Smart & Biggar
The Dow Chemical Company
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