An apparatus is disclosed for exchanging heat and/or mass between a flowing liquid stream and a flowing vapor stream. The apparatus includes a substantially cylindrical section of a column having an inner wall, and a plug of packing disposed inside the section of the column. The plug of packing has an exterior surface spaced apart from the inner wall of the section of the column. The apparatus also includes restricting means for minimizing flow of the vapor stream in the space between the inner wall of the section of the column and the exterior surface of the plug of packing.

Title
Installation for reducing bypass of steam in packing tower and its assembling method
Application Number
99120545
Publication Number
1253028
Application Date
September 30, 1999
Publication Date
May 17, 2000
Inventor
F T Cheino
P A Amstlun
H C Kolotts
Agent
lu xinhua
Assignee
Air Products And Chemicals
IPC
F25J 03/04
B01D 03/32