Media assist gaseous nitrogen distribution system for deflashing machine

A media assist gas distribution system for use in a cryogenic deflashing machine, comprising:

• a media hopper, said media hopper collecting blast media used in a cryogenic deflash chamber, said media hopper coupled to said cryogenic deflash chamber;
• a liquid nitrogen vaporizer coupled to a reservoir of liquid nitrogen, said liquid nitrogen vaporizer providing a source of pressurized dry nitrogen gas in the form of vaporized liquid nitrogen;
• a valve system directing gas flow from said vaporizer to said media hopper and to said cryogenic deflash chamber, said valve system distributing said gas into said cryogenic deflash chamber and having an air valve assembly, said air valve assembly directing gas flow to a media assist distribution block assembly via a media assist valve and directing gas flow to a door blast inlet via a door blast valve;
• said media assist distribution block assembly having a first channel directing gas flow to a first cryogenic deflash chamber nozzle, a second channel directing gas flow to a second cryogenic deflash chamber nozzle, and a third channel directing gas flow to said media hopper;
• bifurcation of gas flow from said door blast valve to said door blast inlet, said bifurcation directing gas flow to said media hopper;
• and
• integration of said bifurcated gas flow from said door blast valve to said media hopper with gas from said third channel of said media assist distribution block assembly so that said media hopper is supplied with media assist gas flow from said door blast valve and said media assist distribution block assembly;
• whereby
• blast media collecting in said media hopper is transported to said cryogenic deflash chamber by gas flowing from said valve system and said cryogenic deflash chamber is maintained in a dry purge environment.