Method for starting up a processing plant for producing plastics material granulate and processing plant for producing plastics material granulate
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United States of America Patent
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Jul 19, 2016
Grant Date -
Oct 31, 2013
app pub date -
Apr 29, 2013
filing date -
Apr 30, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
In a processing plant for producing plastics material granulate, the start-up takes place in such a way that a screw machine is firstly driven by means of a drive device and then plastics material to be processed is fed by means of a metering device into the screw machine. At least one conveying position of the plastics material in the screw machine is determined by means of a control device by evaluating at least one measuring signal. Depending on the conveying position determined, a granulating device is activated and put into operation. The method according to the invention allows a direct start-up of the processing plant without the use of a start-up valve. This ensures an easy and safe start-up of the processing plant.
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