![]() The generator turbine and the syngas compressor steam turbines both feed the MP steam header for the ammonia production through their extraction stage. Three of these steam turbines also have extraction control enabled. In addition, control for 6 steam turbines for Syngas/Refrigerant/Air/CO2 compressors, Generator and boiler feedwater pump were part of the scope as well. For each compressor, natural gas, syngas, ammonia refrigeration, air and CO 2 respectively, a dedicated fault tolerant PLC type controller with purposely built control applications was commissioned. Field support and supervision for hot commissioning and startup of compressor anti-surge control systems for 5 compressors involved in the ammonia and urea production (CO2 compressor).
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