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Of the two selected records the record with a smaller size range will be loaded as
the current result (À in the graph above) and the one with a larger size range is
marked as the blend record (Á in the graph above). The blended result will have
the smallest size of the first record and the largest size of the second record as its
size range boundaries (Â in the graph above).
The number of results channels for the blended result is the same as the result
with the smaller size range.
Unlike other result modifications result blending is operated from the Open
Sample File and Load Record dialogue. For details see the Software reference
manual.
Multiple modifications
Sometimes you may want to apply more than one modification to a single result.
This is achieved by setting up the required modifications from the Setup -
Result Modification dialogue. The result is always modified in the order of Kill
Results, Shape Correction, Extend Result and Transform Result.
For a blended result only the extending and transforming modifications can be
applied.
Tromp curve analysis
This technique is popular in the cement and mining industries for gauging the
efficiency of classifiers and separators.
View and report files MTROMP.PAG and MTROMP.REP are available in the
Pages sub-directory which display the tromp curve. The analysis is done in
program MTROMP.BSC which also assigns the page to View Result 8. Use the
Control-Run Program command to load and run this program.
When the program is run the current result should be the measurement taken at
the output of the classifier. A result representing the feed distribution will be
asked for by the program along with values for the feed rate input and product
rate input in tons per hour.
For more information on Tromp analysis ask your Malvern representative for the
paper "The Importance of Particle Size in the Cement Industry" by Dr Alan
Rawle.
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