US 12,130,010 B2
Connection tube support of waste heat recovery boiler and waste heat recovery boiler including same
Uk Kim, Changwon (KR); Jae Cheol Kim, Busan (KR); Min Su Kim, Gimhae (KR); Jung Ah Son, Changwon (KR); Young Wook Lee, Changwon (KR); Jong Ho Hong, Changwon (KR); and Kyu Man Kim, Busan (KR)
Assigned to DOOSANENERBILITY CO., LTD., Changwon (KR)
Filed by DOOSAN ENERBILITY CO., LTD., Changwon (KR)
Filed on Aug. 4, 2023, as Appl. No. 18/365,515.
Claims priority of application No. 10-2022-0162829 (KR), filed on Nov. 29, 2022.
Prior Publication US 2024/0175572 A1, May 30, 2024
Int. Cl. F28F 9/013 (2006.01); F22B 1/18 (2006.01); F28D 1/053 (2006.01)
CPC F22B 1/1884 (2013.01) [F28D 1/05308 (2013.01); F28F 9/0135 (2013.01); F28F 9/0138 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A connection tube support of a waste heat recovery boiler supporting a connection tube unit having a plurality of connection tubes that is disposed inside a waste heat recovery boiler and perform heat exchange between a fluid flowing inside and exhaust gas flowing outside, the connection tube support comprising:
a header storing fluid flowing through the connection tube unit and supporting one end of the connection tube unit by being connected to one end of the connection tube unit; and
a tube sheet supporting a circumferential surface of each of the plurality of connection tubes,
wherein the tube sheet has the plurality of connection tubes passing therethrough and is provided with a plurality of support holes respectively supporting circumferential surfaces of the plurality of connection tubes passing therethrough,
wherein each of the plurality of support holes is in a long hole shape formed substantially perpendicular to its respective connection tube.