Services
Reactors
In refinery operations, a reactor is a pressure vessel designed to facilitate controlled chemical reactions under specific temperature and pressure conditions. These reactions are essential for converting raw hydrocarbons into valuable products such as fuels, lubricants, and petrochemicals.
Description
Reactors are engineered to handle high temperatures, corrosive environments, and complex flow dynamics, making them critical assets in units like hydrocrackers, hydrotreaters, reformers, and catalytic converters. Reactors in refineries are built to withstand extreme operating conditions and are equipped with specialized internals such as catalyst beds, support grids, thermowells, and distributors to ensure uniform flow and optimal reaction efficiency. They are typically constructed from alloy steels or corrosion-resistant materials and are subject to stringent design codes like ASME Section VIII and API 560/579.
Maintenance & Repair
- Manway and nozzle servicing
- Seal replacement and flange tightening
- Weld repairs on shell, internals, and supports
- Leak detection and repair during turnaround
Catalyst Handling
- Catalyst loading and unloading (dense loading, sock loading)
- Inert entry and confined space operations
- Spent catalyst removal and disposal
- Screening and segregation of catalyst material
Revamp & Retrofit
- Replacement of internals: support grids, screens, thermowells
- Upgrading reactor internals for improved flow distribution
- Installation of new instrumentation or monitoring systems
Documentation & Compliance
- Shutdown and turnaround reports
- Inspection certificates and repair logs
- Compliance with ASME/API standards
- Safety audits and risk assessments
The mechanical services associated with reactors include inspection, catalyst handling, internal repairs. Catalyst loading and unloading often performed under inert conditions require precision and safety compliance, especially in confined spaces. Maintenance activities may involve replacing damaged internals, repairing nozzles and manways.
SnC Infratech specializes in delivering these reactor services with a focus on safety, accuracy, and turnaround efficiency. Our teams are trained in confined space protocols, inert entry procedures, ensuring that reactor integrity and performance are restored without compromising operational timelines or safety standards.
