Current funded project

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A first prototype for a mobile autonomous sensor module (ASM) was developed at the Fraunhofer Centre HTL in the EnerTHERM project. It can be used at temperatures up to 1400 °C and records relevant data from high-temperature processes: temperature, flow velocity of furnace gases and gas composition. The electronics for data acquisition, the power supply and the transmitter are located in the cold interior of the module. The transmitter ensures wireless transmission of the measurement signals to a receiver outside the furnace. However, since the application possibilities of the prototype are currently still very limited, the module is to be fundamentally revised and its functionality is to be considerably extended.

The functionality of the ASM is to be further developed for routine use in industrial furnaces and demonstrated by means of new prototypes. The following improvements are planned:

• Extension of the ASM by optical sensors
  
• Improved thermal management in the ASM with regard to longer operating times and more compact modules
  
• Improved power supply for longer operating times and to supply several sensors simultaneously
  
• Extension of the application possibilities for heat treatment processes on bulk materials

• Integration of the sensor technology developed in the sub-project Optical Keyhole Diagnostics
  
• Topology optimisation of multi-layer insulation
  
• Use of more efficient insulation materials (vacuum insulation panels)
  
• Simulation and optimisation of heat management including phase change materials
  
• Use of high-temperature accumulators and intelligent energy management
  
• Development of a robust, rollable outer construction for rotary kilns

Project Management: J. Baber
Project Members: P. Döppmann, J. Ehrlich, S. Stier