Patent ID: 6834664
Filing Date: 2004-12-28
Classification: F17D,Y10T

Abstract:
A device making use of heated fluid to reduce dust products in a waste gas pipeline installed on a pipeline between a vacuum pump and a local scrubber comprising:a chamber; a heater whose one end has a heating pipe extending into said chamber; a gas injection pipe disposed on said chamber for injecting gas into said chamber; an exhaust pipe disposed on said chamber for exhausting gas carrying away heat of said heating pipe out of said chamber; a connection pipe installed on said pipeline, an open groove being annularly disposed on said connection pipe; a U-shaped gas guide ring with a wedged guide wall disposed on its inner sidewall, said U-shaped gas guide ring being sleeved onto said connection pipe, said wedged guide wall and said one sidewall of said open groove forming a gas flow slit, an insertion hole of said exhaust pipe for connecting said exhaust pipe being formed on said U-shaped gas guide ring so that gas can be injected from said chamber into said connection pipe; and a top lid installed on said U-shaped gas guide ring to seal said U-shaped gas guide ring.