The Avancore® urea synthesis concept brings together established Stamicarbon innovations including 2000plus™ technology and Safurex®. Avancore
Layered approach Optimized base layer control provides more stable operation throughout the entire Urea plant, and helps reduce the impact of disturbances on the plant with minimal operator intervention. The Sirius@Max® urea APC solution will optimize the operation of the unit minute to minute, every hour of the day, ensuring maximum efficiency and stability. Sirius@Max® Urea APC solution help you achieve optimal operation of your urea plant, by pushing it closer towards the active constraints like:
SIRIUS@MAX® at work:
Sirius@Max® contains a Yield Optimization Module, which is based on a detailed rigorous model of your urea plant. This module computes the optimal yield point online. The optimal yield point changes with the active constraints and process conditions. This means that it has to be calculated in real time. It can be proven that the optimal yield point coincides with the point of minimal specific steam consumption. Sirius@Max® can therefore guarantee maximal throughput under the optimal energy conditions. These ideal operating conditions are enforced on the plant via the Advanced Process Controller.
The APC controller is also responsible for stabilizing the plant by reducing the process variations. In addition, the APC system will drive the plant towards the most economical constraints (e.g. not exceeding pressure in the recirculation section). Revamping the plant up and down in a very efficient and almost hands free way is one of the possibilities of the Sirius@Max® system. This is very useful before and after granulator cleaning actions. Via an Open Process Control (OPC) server these optimal control signals are communicated with the DCS. With the use of an OPC interface any common and modern DCS is able to integrate with the Sirius@Max® system.
More inforamation about IPCOS:http://www.ipcos.com/en
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