| 摘要 |
PURPOSE: A connection device of a vacuum insulating pipe is provided to reduce working hours and cleanly maintain the working environment as the space in a sleeve is exhausted in a vacuum state. CONSTITUTION: A connection device of a vacuum insulating pipe comprises combining bosses(11,12), connecting pipe(13), an insulating unit(20), and a sleeve(15). The combining bosses are mounted on the end of the vacuum insulating pipe, respectively. The connecting pipe is inserted in between the combining bosses, and connected with welding. The insulating unit is installed outside the connected ends of the vacuum insulating pipes. The sleeve is installed outside the insulating unit, and a vacuum seal off valve(16) is installed on the outer surface of the sleeve. The combining bosses protrude from the ends of the inner pipes of the vacuum insulating pipes. The inside of the combining boss is connected to the inside of the inner pipe, and the inner side of the connecting pipe is connected to the inner side of the inner pipe.
|
