Heat Exchangers Re-tubing & Cleaning
Regular maintenance of heat exchangers in refineries is crucial for ensuring optimal performance, safety, and environmental protection. It involves cleaning to remove fouling and scale, inspecting for corrosion, and addressing leaks to prevent accidents and environmental damage. By maintaining heat exchangers, refineries can improve energy efficiency, reduce emissions, and maintain consistent product quality, ultimately contributing to sustainable and reliable operations.
What we offer?
We specialize in heat exchanger maintenance, catering to a wide range of projects, from small-scale single unit maintenance to large-scale shutdown projects involving hundreds of heat exchangers.
Our comprehensive maintenance services encompass:
- Exchanger / Loop Isolation along with special accessories like Breathing apparatus / Chemical resistant suite, etc.
- System scaffolding
- Disassembly and Reassembly including Controlled Bolting
- Cleaning of heat exchangers using Robotic equipment:
High pressure water jetting – Multi Lance for Internal & Outside Bundle Cleaning
Ultra-high pressure water jetting upto 40K PSI
Dry cleaning by rotating brushes
- Pressure testing:
Hydro / Pneumatic testing
Nitrogen Helium leak detection
Non-Destructive Testing
IRIS / ECT / RFET testing
X-ray
Borescope
- Heavy Lifting
- Robotic cleaning of bundles onsite for fixed tube sheet bundles and also in case where situation does not permit bundle to be pulled out.
- Robotic cleaning of bundles in Jetting Yard
- Chemical cleaning of Exchangers
- Heat exchanger repairs
Tube Plugging
Re-tubing
Expanding and Seal Welding
In-situ Machining
Shell Cutting & Repairs Works
Internal Replacements – Baffles / Tie Rod / Impingement Plates
Inlet / Outlet Modification & Repairs
- Bundle extraction and insertion
Radiant is fully equipped to take up massive re-tubing job of heat exchangers and air fin coolers during shut downs. Radiant has experts groups and best automated tools for re-tubing which facilitate speed, quality and safety.
Case Study: 186MT Heat Exchanger Replacement.
Equipment replacement:
Client: Matix Fertilizer
Location: Durgapur, West Bengal
When: March 2024
Client approached Radiant with their tight schedule of 15 days to replace their crucial exchanger’s weighing right from 45MT to 186 MT involving all welded Inlet / Outlet joints of 46mm thick Alloy Steel piping with a new one’s during a short shutdown.
Radiant mobilized highly skilled & efficient Team that deployed advanced technique to Cut old joints & weld new joints. Keeping safety as priority & following all set Procedures, including PWHT & NDT Inspection job was completed within 13.5 Days, thus saving client a 1.5 days of Production time.