Patent ID: 6321461
Filing Date: 2001-11-27
Classification: F26B

Abstract:
A drying apparatus using high pressure gas, comprising:a drying apparatus main body including a supply port and an exhaust port, and receiving an object to be dried; anda gas supply unit for supplying high pressure dry gas to the drying apparatus main body,said gas supply unit including:a high pressure gas generating means for supplying pressurized gas;a dehumidifier for removing water content of gas;a heater for heating gas;a gas supply passage connecting said high pressure gas generating means, said dehumidifier and said heater while being connected to said supply port of said drying apparatus main body, and supplying controlled high pressure dry gas to said drying apparatus main body; andan ejector arranged on the way of said gas supply passage,an injection port of said ejector being connected with an upstream side of said gas supply passage, a discharge port of said ejector being connected with a downstream side of said gas supply passage, an intake port of said ejector being connected to said exhaust port of said dry apparatus main body via a return passage,exhaust gas after dry treatment from said drying apparatus main body being circulated and recycled between said drying apparatus main body and said ejector, by a fluid energy of the high pressure dry gas injected from said injection port of said ejector into said ejector.