SPYRO for Advisory Control

SPYRO for Advisory Control simulates the steady-state cracking process inside the radiant coil(s) of a steam cracking furnace in ethylene plants. It is based upon a fundamental kinetic scheme of more than 3000 reactions, representing a chain reaction mechanism of 128 molecular species and 20 radical species. SPYRO for Advisory Control is designed to help plant engineers to optimize furnace operating conditions through the OPC interface.

The fundamental basis of the SPYRO for Advisory Control allows accurate prediction of several parameters, such as:

  • Cracking severity (P/E ratio, M/P ratio, conversion, optimal P, max. P+E)
  • Effluent yield composition (only if an off-line SPYRO license is present)
  • Maximum Tube Skin Temperature
  • Coke Buildup
  • Absorbed Duty
  • Coil Pressure Drop
  • Coil Outlet Temperature

 

Feedstocks from ethane up to heavy gas oil can be modelled in the SPYRO program.

Given the basic geometry of the radiant coil (pyrolysis reactor), SPYRO can simulate the performance of nearly any type of radiant coil in commercial use today. The furnace geometry is configured by TECHNIP for each optimization project in the pre-commissioning stage.

The input parameters of SPYRO for Advisory Control include hydrocarbon flow rate, dilution steam ratio, coil inlet pressure, coil inlet temperature, coke thickness, feed composition and specific adjustment parameters.

sopc

Advantages of SPYRO for Advisory Control

  • SPYRO predictions / optimization through OPC server
  • Straightforward implementation
  • Flexible set-up
  • Cost-efficient solution.

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