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Press release
08.04.2020  |  7826x
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Free radiating NivoRadar® as innovative solution between 1,400 and 1,600°C

Measuring materials in a 15-meter silo in Spain

Glass - a material of everyday life. Whether for drinking, decoration or building a house. At the beginning of the manufacture of glass, this was a minor item in the construction industry. Around the year 1000 AD, the first windows out of glass were made in Europe. Due to the unevenness there was no good quality, but over time, the glass production was optimized with various techniques and improves the quality of the glasses.

A glass without bumps and good quality has long been natural for us - but it was a long way there.

Sand, chalk & soda

These three ingredients are the recipe and basically pretty simple to get. However, the production of glass requires enormous heat to melt the mixture, a temperature of 1,400 to 1,600°C is needed.
Our costumer, one of the largest producers of glass containers worldwide needs to measure the storage of materials in 15 meter silo in the Seville plant - Spain. The materials were aggressive and abrasive combined with humidity and very dusty, in the internal and external environment. Also, there was difficulty in the installation to measure the level of silo with mixture of caustic soda and sand, due the ambient temperatures exceeded 75-100ºC by the installation location.
In this case the most suitable solution was the non-contact level transmitter, NivoRadar® NR 3100 with 78 GHz frequency and 4º beam angle. The use of the air intake was very important to keep the lens clean and also to lower the ambient temperature by putting cold air (45ºC). In this way it was possible to keep the equipment measuring with high performance without any process interference.

Company information

UWT GmbH
UWT GmbH
UWT GmbH is one of the world’s leading manufacturers of measurement technology for the detection and monitoring of levels, limit levels in any kind of bulk materials, solids as well as in liquids, pastes and foam. Since the founding, the product portfolio has developed and offers solutions for a variety of industries. > Headquarter with development, production and sales department in Germany > Subsidiaries in USA, Great Britain, India, Mexico, Brazil and China plus a global net of exclusiv distributors > Over a million successfully solved applications in more than 90 countries > Variety of industry solutions according to individual requirements > UWT products represent quality, flexibility and reliability Our products are named under: Rotonivo® - Rotary paddle switch incl. SIL2 version Vibranivo® - Vibrating fork Mononivo® - Vibrating rod probe RFnivo® - Capacitive level switch also with anti-corrosive Teflon® coating for flue gas cleaning Capanivo® / NivoCapa® - Capacitive level switch NivoBob® - Electro-mechanical Plumb Bob as well for Interface NivoRadar® - Radar sensors NivoGuide® - TDR guided radar NivoTec® - Level monitoring and visualisation From development and production to final assembly and comprehensive technical advice, all services are provided from a single source. The focus is on the highest quality, technical know-how and good cooperation with customers, suppliers and partners. What is particularly important to the managing directors Uwe Niekrawietz, Markus Schalk and Andreas Haug is the well-being of the 200 employees worldwide: ”Healthy and happy employees can achieve incredible things”.  The product portfolio is developed further every year and enables holistic solution concepts for a variety of industries. In addition to level and point level measurement, UWT offers monitoring and visualisation systems and complete project planning. Well-known plant manufacturers and end customers worldwide appreciate the customised solutions as well as the easy handling and durability of UWT sensors. In order to be able to pass on the best possible added value to customers in the future, UWT’s corporate strategy is consistently geared towards steady and sustainable growth.
Last update: 15.04.2024

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