ABB distributed control system CI857K01 3BSE018144R1 control DCS module card

Description

CI857K01, an advanced humidity sensing technology, will help pulp, paper and paperboard manufacturers to obtain accurate moisture content information, so that they can be confident to improve the moisture content target and improve the CD humidity curve, so as to improve the final product quality while reducing waste products.

As the paper moves in the paper machine, CI857K01 measures and controls moisture content, which is critical to reducing energy demand. This will lead to optimized drying, reduced steam use, significant energy savings in the dryer section and reduced carbon emissions. In fact, changing the steam pressure to produce only 1% moisture change can save $400000 in energy costs.
Even in the most difficult application environment, the small spot infrared energy used by this infrared reflective humidity sensor can provide excellent fringe resolution and accurate edge to edge paper measurement. The measurement during scanning is continuous without beam chopper or filter wheel to ensure the best signal-to-noise ratio and maximum measurement rate.
ABB’s new humidity sensor CI857K01 also has a built-in paper temperature sensor, which is designed to be completely air-cooled and field repairable. In addition, it is insensitive to dust and interference. Compared with similar solutions, it can extend the uptime and reduce the total cost of ownership.
Although it can be placed anywhere, the most influential application of this infrared reflective humidity sensor is before the sizing machine, because higher precision and accuracy can enable users to improve the water content target, optimize starch/sizing pick up and reduce drying energy requirements. Of course, it also applies to precoating locations.
Another high value application is to place the humidity sensor behind the wet press section, allowing the operator to adjust the press load to improve moisture distribution and increase the dryness of the paper entering the dryer. In addition to energy saving, this also improves the paper strength in the sensitive areas of the machine, which means improved running performance and paper break recovery.
As a part of ABB’s quality management system, the humidity sensor is fully digital, providing high-speed measurement and a rich set of diagnostic data, which is very suitable for analysis to inform on-site or enterprise level decisions. The sensor is suitable for all platform types of paper, such as publications, graphic paper, cardboard, tissue, packaging, etc.

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