Coal dust firing systems requires the proper mixture of coal dust and air. It must be controlled in real time to keep most effective combustible conditions. The solution is microwave mass transmitter MF 3000.
At coal dust firing systems the exact dosage of dust injection is very important for the process control. A simple controlling of dosage system does not satisfy the requirements. Disturbances like different density of dust in a dosage supply can cause variable flow quantities to the burner. This variable flow quantities worse the burning and therewith the burner efficiency. Only with an exact and continuous measurement of dust flow the dosage can be controlled and adjusted to a preset value. With MF 3000 flow meter an exact and continuous measurement is possible at the feeding pipe to the burner. The measurement values are captured and evaluated in real time and can forwarded to other systems such as visualization or controlling of dosage by regular interfaces.
The German wide operating company Deutsche Asphalt GmbH uses in the asphalt mixing plant Süsel dust firing systems for the rotating kilns. For the optimal operating of the firing systems an exact dosage of coal dust is necessary. To measure the flow of coal dust the Mütec flow measuring system MF 3000 is successfull installed in the conveyor pipe for coal dust supply. The sensor measures the flow rate with an accuracy of ±1-2%. The measured values are forwarded to the process control system via 4-20mA output for visualization or controlling of the dosage system.
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