Mühlböck GmbH specialises consistently and exclusively in the development and production of drying technologies for wood. The company draws on the experience of over 13,000 systems in operation worldwide. All engineering and production steps are performed directly at the Eberschwang site in Austria: from research and development to the production of all system components and the programming of the control software.
Mühlböck Holztrocknungsanlagen GmbH
High Demand on Sensor Technology
Wood Drying
Wood drying refers to the process of removing moisture from wood. In this process, humidity is extracted gently and under controlled conditions. With the appropriate sensors, ambient conditions can be monitored precisely, allowing the dryers to operate in an energy-efficient and cost-effective manner.
The aim of controlled drying processes is to achieve the target moisture content of the wood while simultaneously preventing cracking, warping, fungal growth, and discolouration. Additionally, shorter drying times can result in higher capacities per drying plant. A critical factor for the overall efficiency of a wood drying plant is not only energy consumption but also the quality of the process: the best and most uniform drying results are achieved only if the air distribution and flow within the chamber are optimal.
Today, fresh air and exhaust air drying systems are among the most proven drying methods. The most important parameter for intelligent climate control in these wood drying chambers is undoubtedly the moisture content of the wood. Depending on the wood species, dimensions, target moisture level, and desired quality, such a drying process can last between two and 90 days. The accuracy of the sensors used to control the various drying programmes is of great importance. In addition, the sensors must be robust, reliable, and low-maintenance. All of this is provided by the moisture and temperature sensors from E+E Elektronik, which Mühlböck GmbH has been using for years.
Impianto di essiccazione del legno ad alta efficienza energetica Mühlböck presso LOC Holz GmbH ad Arbing, in Austria, per l'essiccazione di legname segato di alta qualità.
Martin Schrems, Team Leader Electrical Planning at Mühlböck Holztrocknungsanlagen GmbH
The low-maintenance sensors from E+E Elektronik provide consistently reliable and long-term stable measurements, allowing us to minimise downtime and enhance the efficiency of our systems.
The Challange
In addition to the demands for accuracy and long-term stability of the sensors employed, the ease of replacement and maintenance of the measuring devices plays a crucial role. Downtime should be kept to a minimum. This is because high maintenance efforts - and the associated costs - significantly reduce the efficiency of the systems. Therefore, it is essential to rely on sensors that not only ensure high long-term stability even in harsh environments but also incorporate smart maintenance concepts to considerably reduce downtime.
Our Solution
E+E Elektronik’s sensor solutions are designed modularly, allowing probes and components to be replaced quickly and easily, without prolonged downtime. A flexible design that accommodates a variety of installation options facilitates integration into existing systems. Moreover, intelligent protective measures—such as the sensor coating developed in-house by E+E Elektronik—ensure that the sensors continue to operate accurately under even the most adverse conditions, without loss of precision. This guarantees trouble-free operation, engineered for a long service life.
E+E sensor with protective coating for long-term performance in harsh wood drying environments.
HTP501 sensor for precise humidity and temperature monitoring in timber drying processes.
The Results
The durability and robustness of E+E Elektronik’s sensors ensure largely uninterrupted system operation. Should maintenance be required, the sensors’ easy accessibility and replaceability of components significantly reduce downtime and the associated costs.
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