Achieve More Productivity with OPTIMASS - Krohne
Achieve More Productivity with OPTIMASS - Krohne Achieve More Productivity with OPTIMASS - Krohne
Application Story Top gas mud density measurement in Nova hut a.s. ISPAT Nova Hut a.s. is one of the largest metallurgic plants in the Czech Republic. It is an integrated steelmaking concern with a metallurgical production and large engineering shops. The metallurgical production is of a mass character, the main products being welded and hot-rolled seamless steel pipes, long products and wire rod, hot rolled sheets and strips. The engineering production (e.g. steel mining supports) is geared for batch production. Their coking plant is the largest coke producer in the Czech Republic. ISPAT Nova Hut has been using several hundreds of KROHNE magnetic inductive flowmeters and flow controllers (mainly on water measurements) and additionally ultrasonic flowmeters (on demineralised water and tar), level radar (blast furnace stock level, hydrochloric acid level measurement) and mass flowmeters (fuel oil, top gas and steel sludge measurement). All instruments have been subjected to demanding operating conditions. In the blast furnace, during the pig iron production process, a lot of top gas is generated. The gas (with temperature 200 – 500°C) contains from 30 to 100 g/m3 of dust. The gas is cleaned with sprinkling water, which then flows into settling basins. Here the mud settles and then it is pumped first to thickeners and after thickening to a separator. For the process control it is necessary to know the density of the mud pumped from basins to thickeners and from thickeners to the separator. The customer had been using nucleonic density meters for 10 years. These meters require special approvals and checks and a lot of maintenance. Moreover they could not be in operation without product flow. For this reason the customer decided to test 2 KROHNE mass flowmeters Corimass MFM 4085 G+ - 1500 G. After 6 months´ testing, 8 pieces of Optimass T50 mass flowmeters were ordered. Copyright KROHNE, inc. , 2009 OPTIMASS Applications Page No.54
Ovako Steel at Hofors Why Krohne No maintenance necessary Low pressure drop High accuracy Optimised burner control Excellent support from Fagerberg Sweden Application Story Burner control in Sweden Steel is the world's leading producer of steel for rolling bearings and, in addition, the company has a strong position within the field of low alloy special steels. Their annual production capacity is 525 000 tonnes of special engineering steel. Ovako Steel's metallurgical facilities are located at Hofors, Sweden. Our Optimass 7050 15 T with heating jacket shown in the picture below is being used for burner control. We also have 24 of our low flow 7100 meters (now renamed 3000) being used in other applications in Ovako. Optimass T 15 HJ Medium: Oil Pressure: 4 bar. Temp: 80ºC Density: 886 kg/m3 Range: 0 - 4500 kg/h Copyright KROHNE, inc. , 2009 OPTIMASS Applications Page No.55
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Ovako Steel at Hofors<br />
Why <strong>Krohne</strong><br />
No maintenance necessary<br />
Low pressure drop<br />
High accuracy<br />
Optimised burner control<br />
Excellent support from Fagerberg Sweden<br />
Application Story<br />
Burner control in Sweden<br />
Steel is the world's<br />
leading producer of steel for rolling<br />
bearings and, in addition, the company<br />
has a strong position <strong>with</strong>in the field of<br />
low alloy special steels. Their annual<br />
production capacity is 525 000 tonnes<br />
of special engineering steel. Ovako<br />
Steel's metallurgical facilities are<br />
located at Hofors, Sweden.<br />
Our Optimass 7050 15 T <strong>with</strong> heating jacket shown in the picture below is being<br />
used for burner control. We also have 24 of our low flow 7100 meters (now<br />
renamed 3000) being used in other applications in Ovako.<br />
Optimass T 15 HJ<br />
Medium: Oil<br />
Pressure: 4 bar.<br />
Temp: 80ºC<br />
Density: 886 kg/m3<br />
Range: 0 - 4500 kg/h<br />
Copyright KROHNE, inc. , 2009 <strong>OPTIMASS</strong> Applications Page No.55
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