Primary Inventor: Krishna P. Singh
Contributing Inventor(s): Joseph Rajkumar
Date of Publication: Nov. 22, 2022
Status: Granted
Jurisdiction: US
Assignee: Holtec International, Inc.
Equipment Type: Airblast HX
Docket Number: HOL-048
Application Number: 17/073,859
Patent Number: US 11,504,814 B2

Prior Publication Data: US 2021/0031315 A1

Related U.S. Publication Data:

  • Continuation-in-part of application No. 16/432,505, filed on Jun. 5, 2019, which is a continuation of application No. 15/715,897, filed on Sep. 26, 2017, now Pat. No. 10,343,240, which is a continuation of application No. 14/123,678, filed as application No. PCT/US2012/040806 on Jun. 4, 2012, now Pat. No. 9,770,794, said application No. 17/073,859, is a continuation-in-part of application No. 14/373,122, filed as application No. PCT/US2013/022269 on Jan. 18, 2013, now abandoned, said application No. 17/073,859, is a continuation-in-part of application No. 15/722,120, filed on Oct. 2, 2017, now Pat. No. US 10,854,344 B2, which is a division of application No. 14/113,990, filed as application No. PCT/US2012/035051 on Apr. 25, 2012, now Patent No. US 9,786,395 B2, said application No. 16/725,253, filed on Dec. 23, 2019, which is a continuation of application No. 14/649,241, filed as application No. PCT/US2013/072863 on Dec. 3, 2013, now Pat. No. 10,512,990, which is a continuation-in-part of application No. PCT/US2013/022269, filed on Jan. 18, 2013.
  • Provisional application No. 61/493,208, filed on Jun. 3, 2011, provisional application No. 61/588,086, filed on Jan. 18, 2012, provisional application No. 61/732,751, filed on Dec. 3, 2013, provisional application No. 61/478,788, filed on April 25, 2011.

Abstract: A vertical bundle air-cooled heat exchanger, a finned tube assembly for an air cooled condenser and method for forming the same, and a system for removing thermal energy generated by radioactive materials. In one aspect, an air cooled condenser sized for industrial and commercial application includes an inlet steam distribution header for conveying steam, a condensate outlet header for conveying condensate, an array of tube bundles each having a plurality of finned tube assemblies having a bare steel tube with an exposed outer surface and a set of aluminum fins brazed directly onto the tube by a brazing filler metal. The steel tubes may be spaced apart by the aluminum fins and have an inlet end fluidly coupled to the inlet steam distribution header and an outlet end fluidly coupled to the outlet header. A forced draft fan may be arranged to blow air through the tube bundles.