Optical measurement methods with fiber-optical waveguides and CCD cameras were used in the large concrete mixers concrete pump, each of which used image analysis in order to characterize the mixtures on the basis of particles with differing colors. Sampling from the mixing chamber could not always be dispensed within this case. For this purpose, however, the powder mixer had to be stopped briefly for the purpose of measuring the concentration distribution. This article therefore focuses on a method that relies on a determination of the concentration course and the mixing efficiency distribution by means of image analysis without sampling. A CCD video camera records the mixing process throughout the entire mixing time in order to thus determine the mixing efficiency.Henan Daswell Machinery Co., Ltd,is a professional manufacturer and trader specializing in the research, development and production of construction machinery for nearly 30 years. Our main products are as follows:concrete batching plant, concrete batching plants,concrete mixer,blocking making machine,concrete pump,etc.
This measurement method offers the advantage that the camera can be used in a flexible manner when the structural size of the mixer or of the sample volume is changed. Furthermore, one can access the raw data as often as desired and at various times and under certain circumstances, in order to adapt the analysis method. Moving images of the mixing process, moreover, help gain an impression of the entire mixing procedure during the process.
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