Fin type heat exchanger of gas-liquid partition wall pipes with pin ribs
Title：
Fin type heat exchanger of gas-liquid partition wall pipes with pin ribs
Application Number：
 200510086783
Application Date：
 2005/11/04
Announcement Date：
 2006/04/19
Pub. Date：
Publication Number：
 1760622
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 F28F 1/12, F28F 13/06
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Liang Xingang, Ren Xiaoming
Key Words：
 pin ribs, gas-liquid partition, wall pipes, fin type, heat exchanger
Abstract：
 A fin heat exchange of gas ¨C liquid recuperative tube type with pin rib is featured as setting cylindrical or prismatic pin rib at gas side of said heat exchanger to replace flat board fin , dislocated fin and louver fin , welding two ends of pin rib on outer wall of liquid tube to let it be vertical to wall surface axially and to let it be arranged cyclically along liquid flow direction , arranging pin rib in each cycle with two modes of sequential arrangement and dislocated arrangement as several pieces of pin rib being set as a group being set in dislocated arrangement to each other , using 0.1 ¨C 0.25 mm as diameter of cylindrical pin rib and 0.1 ¨C 0.25 mm as sectional edge length of prismatic pin rib .
Claim：
Priority：
PCT：
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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
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