Weighing systems are not always the best solution for controlling and dosing. There are not so many solutions for measuring solid materials in contrast to wide variety of devices measuring liquids. Interesting mass flowmeter for bulk materials is MF 3000 microwave transmitter.
The EU directive 2003/53/EC describes manufacturing of reduced chromatic concrete. In order to achieve government regulated limits iron-sulfate must be induced into cement production.
Iron-sulfate is suitable for neutralizing of chrome-VI. Mixing iron-sulfate to the cement production process limits chrome-VI to 2ppm or less thus drastically reducing the risk of skin-related illnesses in case somebody comes in contact with fresh concrete. In any case, contact with fresh concrete due to its alkaline content should be avoided since the natural skin protection against acids is jeopardized.
Adding iron-sulfate is done when the stocked cement is transported from the silo to the bag packaging area. It is essential to dose iron-sulfate to 0.5% in order at achieve the best possible result. Therefore, the material flow of the cement must be monitored continuously in real-time. From this data the correct mixing of iron-sulfate is calculated.
The Lafarge Perlmoser GmbH, cement factory in
Mannersdorf, Austria has decided in favor of the Mütec MF3000
mass flow meter as the best possible solution to
measure the flow of cement. It can easily be retrofitted
to existing metallic pipes by welding a flange to
the pipe and drilling a single 18mm hole through it.
The whole installation only takes a few minutes and
does not require any intensive changes into the
Im Technologiepark 1
15236 Frankfurt (Oder)
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