Water and admix meters systems of cement mixer

Water and admix meters systems of cement mixer

Water and admix meters systems of cement mixer is important for producing concrete products. Does your batching computer always give exactly the right amount of admix and water?

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Water and admix meters systems of cement mixer is important for producing concrete products. Does your batching computer always give exactly the right amount of admix and water?

Getting proper information from water and admix meters
Most of time, this is not possible that the water and admix meters are exactly, we will never know it. The big admix companies use a practice that makes their equipment look better than it really is; as a result, you could be using (and paying for) more admix than you think. Pre-wired admix controls are usually wired so that the power for the meter comes from the filling valve solenoid output on the computer.
As a result, when the filling is complete and the valve is turned off, the meter stops counting. This does not mean that the flow of admix has stopped, however. If the flow was fast, it probably continues for a fraction of a second before the valve closes and this can translate into a few ounces or many millilitres in every batch.
Even worse, consider the valve that sticks in the OPEN condition, allowing admix to flow, possibly at a much reduced rate, during bottle discharge and all the time up to the start of the next batch. This will never be recorded and will take an alert operator before it is spotted.

How to solve uncertainty for water and admix meters of concrete mixers
The solution is to re-wire the admix controller, which we do on almost every installation, to power the meter from a solid power source (see diagram). As long as the batching computer continues to monitor the meter after the valve is shut off, the errors above will be caught.
Water valves and meters should be wired in the same manner.

If you buy the concrete mixers or concrete batching plants, we would provide the engineers to help concrete equipment production.

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