REVAMPING & UPGRADATION OF ASU’s
Long collective experience of Airgases Projects team provides a unique capability for undertaking revamping of any old ASU by incorporating latest technological advances for improving efficiency and safe operation. Our team of experts first assess the capabilities of the existing plant and then recommend the refurbishing and upgrades to be implemented.
Airgases Projects provides following services related to pre-owned plants:
- Plant Relocations
- Plant Re-life Assessment, Refurbishment and Modification
- Plant Re-life project execution
- Consulting on requirements for plant acquisitions
Some of commonly used upgrade measures on Air separation units are listed below
- Assessment of mostly used operating conditions of compressors and suggest if possible improvement on aero performance of compressors, if required trimming of impellers, in consultation with compressor vendor.
- Evaluating performance of suction filters vis a vis ambient conditions and recommend servicing and modifications as required including water wash arrangement
- Evaluation of cooler performance and wherever required recommend clean up and replacement or introduce low pressure drop coolers
- Implementation of improved precooling system of air using evaporation coolers and direct cooled air coolers
- Replacement of RHE design with MSA type pre-purification unit
- Replacing electrical heating in Mol Sieve unit by steam heating or flue gas heating if such medium is available
- Cleaning up of partially choked RHE or MHE by explosion blowing
- Assessment of refrigeration requirement of the plant based on warm end losses & various heat in leak etc and suggest remedial measures for improvement in plant performance
- Asses liquid losses while filling of liquids as well as while tanker filling and suggest improvements
- Asses performance of backup system including pumping and vaporisation equipment to suggest improvement
- Implementation of pipeline load following system for gas plants. This will continuously monitor end users gas consumption and ASU process to automatically adjust feed air and utility inputs as needed.
- Automatic tanker filling facilities for merchant liquid. This system includes integration of weigh scales and pumps used for filling liquid tankers to predetermined weights.
- Implementation of remote operation of ASU
