Stora Enso is domiciled in Helsinki , and is one of the world's largest forest industry companies. It has awarded Siemens a major order in connection with the construction of a new plant in China. The order covers the drive technology, automation of the entire factory, the complete power engineering systems, and the power generation. The new, integrated production plants for pulp and packaging board are being built in the Chinese province of Guangxi, and the board machine is scheduled to go into operation in the first quarter of 2016. Siemens will deliver an Integrated Drive System with over 160 drives for the packaging board machine, and will also supply the process control system for the plant-wide automation. The order also includes a steam turbine to generate the power, and the power distribution for the entire factory.
Siemens will support Stora Enso with the implementation of this major project. The company placed great value on having an internationally experienced supplier in China that could supply everything from a single source. Siemens is consequently also responsible for handling the entire engineering of the drive and power solutions, the detailed planning, as well as for supervising the installation and commissioning of the electrical systems.
An integrated drive system from Siemens with over 160 drives will be installed in the packaging board machine. It will be over 300 meters long, and produce 450,000 metric tons of board per annum, which will be used to produce beverage packaging, among others. Harmonized Simotics low and medium voltage motors, and Sinamics frequency converters will achieve high efficiency and availability. The optimized components and the well-matched drive train will enable Stora Enso to benefit from a reliable, productive machine.
The power will be generated by an SST-800 industrial steam turbine from Siemens with center admission and an output of 59 MW. Siemens will also be responsible for all the high, medium and low-voltage switchgear, line, power and distribution transformers, as well as the emergency power supply, power monitoring and control system.
Siemens will supply a Distributed Control System Sipaper DCS, the latest generation 8.1 of the PCS7 process control system that will enable the entire plant to be automated. Siemens will also equip all the drive systems, the energy switching and monitoring (ESM), and the steam turbine with the same PCS7 automation system. This will give Stora Enso all the advantages of a fully standardized, factory-wide automation system.
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