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1. (WO2018004348) IMPROVEMENTS RELATING TO THE MAINTENANCE OF HEAT EXCHANGERS

Pub. No.:    WO/2018/004348    International Application No.:    PCT/NO2016/050145
Publication Date: Fri Jan 05 00:59:59 CET 2018 International Filing Date: Wed Jun 29 01:59:59 CEST 2016
IPC: F28G 13/00
F28D 7/16
Applicants: EQUINOR ENERGY AS
Inventors: LUNDE, Erling
RØYRØY, Anders
Title: IMPROVEMENTS RELATING TO THE MAINTENANCE OF HEAT EXCHANGERS
Abstract:
A maintenance apparatus for use with a heat exchanger for cooling or heating a fluid, said heat exchanger comprising a plurality of heat exchanger tubes each arranged to carry a heat exchanger fluid, comprises: a rotatably mounted beam; a tool carriage movable mounted on said beam so as to be movable along said beam; and a tool insertion device mounted on said tool carriage, said tool insertion device being arranged to carry a maintenance tool for insertion into one of said heat exchanger tubes, wherein rotation of said beam and movement of said tool carriage allow said tool to be positioned adjacent the end of a selected cooling tube, and wherein said tool insertion device is arranged to move said tool into said selected cooling tube.