Online flow measurement of fly ash to control process conditions

Moisture measurement of wood chips for control of the combustion air

M-Sens for moisture measurement In a biomass power plant, the combustion of biomass generates electricity and heat. The operator of a biofuel plant was looking for a solution that would provide him with information on the moisture content of the biomass (wood chips) before transportation into the combustion chamber in order to optimally adjust the combustion air. Process data Customer: Biogas plant Material: Wood chips Moisture range: 20 - 60 % Installation: After the shredding machine Function: Measuring the moisture of wood chips Solution The M-Sens continuously measures the material moisture of all kinds of solids in container outlets, conveyor belts, screw conveyors, mixers and belt dryers. In the described application the M-Sens WR is used. The M-Sens WR is especially used for coarser materials and for higher moisture values. For applications with wood dusts with a lower moisture value the standard M-Sens is used. Typical installation locations are e. g. in a silo outlet or in a screw conveyor. Customer

19.10.2020 | 5065x | Product description |

Material flow monitoring during unloading of silo vehicles

Detection of empty state During the unloading of limestone powder, silo vehicles are pressurised to the required level using compressed air units controlled by the driver and conveyed to the appropriate silo. Prompt detection of the empty state of the silo vehicle was not possible, therefore, product transfer was often finished too early or unnecessarily long, costing time and excessive use of compressed air. The customer’s aim was to automate the unloading of the silo vehicle and to create a reliable signal when reaching the empty state. Process data Customer: Saint-Gobain Weber GmbH Material: Limestone Installation: Discharge pipe for truck loading (DN 100) Function: Automatized detection of the empty state Solution The FlowJam S is a sensor for non-contact monitoring of material flow for “Flow” or “NoFlow”. The system works contactless and uses microwave technology where the material movements can be detected by utilising the Doppler effect. The optional current output (converter

11.09.2020 | 6025x | Product description |

Moisture measurement of cereals for dryer efficiency control

M-Sens 2 in food industry A customer in the Food industry was looking for solutions to improve dryer efficiency and fuel consumption. The drying process is considerably important for the final product quality and material processing. Dryer systems can be placed in different parts of the process, according to specific requirements, e. g. before material processing to comply with recipe specifications or between the material processing and packing areas. To control the dryer performance, some parameters indicate whether it is necessary to adjust the process settings. Process data Industry: Food Material: Cereals (wheat, corn, canola) Moisture range: 10 - 20 % Installation: Hopper after dryer Function: Dryer efficiency control Solution Specifically developed for online moisture measurement of bulk solid materials, the M-Sens 2 is very accurate, reliable, robust and easy to use; essential requirements for the purchase decision. The sensor was installed on the hopper directly after the dryer,

12.08.2020 | 5964x | Product description |

Continuous mass flow measurement of limestone

Exact measurement of flow rates with SolidFlow 2.0 At a limestone manufacturing site, limestone is mined in a quarry and afterwards ground and transported to a silo. The material is transported into the silo via a pneumatic line. The quantity of limestone was determined on the basis of the theoretical data provided by the plant operator’s employees, however, the objective was to measure the material flow rate continuously. Process data Customer: Limestone manufacturer Material: Limestone Flow rate: Approx. 15 t/h Installation: Pneumatic line Function: Exact measurement of flow rate Solution SolidFlow 2.0 is specially designed for mass flow measurement of solids conveyed in pipes. It continuously measures solids quantities of up to 20 t/h in free fall and in pneumatic applications and has an active roping compensation. This allows measurement errors that occur due to roping to be compensated. In the described application SolidFlow 2.0 is used in the pneumatic transport line. The sensor can be calibrated and transmits

09.07.2020 | 6553x | Product description | |

Dust monitoring to avoid an explosive atmosphere

Measurement of PVC dust with AirSafe 2 At a PVC powder manufacturing site, large bags are filled with powder in the filling plant. The company’s ATEX guidelines state that DustEx zone 22 is defined in the area of 5 m around the filling plant. The mixture of PVC powder is ignitable at 60 g/m3 which potentially can occur if a large bag breaks or the material overflows. Process data Customer: Manufacturer of PVC powder Material: PVC powder Installation: Above the possible dust source Function: Dust monitoring to avoid an ATEX area Solution AirSafe 2 monitors the dust concentration in the ambient air, e. g. in buildings, production halls, silos or boiler houses. In the process described, the sensor was placed near the presumed dust source. The filling plant can thus be permanently monitored. In this application, a sensor was used that is suitable for use in DustEx zone 22. A switching point at 15 g/m3 was pre-calibrated, which means that if a large bag is ruptured, the system is reliably switched off

16.06.2020 | 6842x | Product description |

Online flow measurement of fly ash to control process conditions

Online mass flow measurement with SolidFlow 2.0

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