Mechanisms of Grinding - Strona główna...

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Comminution Mechanisms of Grinding

Transcript of Mechanisms of Grinding - Strona główna...

Page 1: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product

Comminution

Mechanisms of Grinding

Page 2: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product

Comminution Equipment

Page 3: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product
Page 4: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product

Principles of Operation

Page 5: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product
Page 6: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product

Crushing Equipment

Page 7: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product

Grinding Equipment

Page 8: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product

Energy Required for Size Reduction

Page 9: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product
Page 10: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product

Grinding Energy from Bond

Page 11: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product

Comminution Efficiency

A reduction of grain sizes during grinding is accompanied by decreasing of a width of the

grain size distribution with grinding time.

Tanaka’s Equation

Page 12: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product
Page 13: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product

Classification of Ceramic Powders

Dry Classification Equipment

Page 14: Mechanisms of Grinding - Strona główna AGHhome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Powder-Comminution.pdf · classifier and a mill in series, the classifier returning over-sized product

Wet Classification Equipment


Equivalent particle sizeshome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_2011_Lecture-2.pdf · 2012. 10. 17. · Rosin-Rammler Distribution F(x) is a mass percent of the particles larger than

Equivalent particle sizeshome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_2011_Lecture-2.pdf · 2012. 10. 17. · Rosin-Rammler Distribution F(x) is a mass percent of the particles larger than

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PREPARATION OF CERAMIC POWDERShome.agh.edu.pl/~nmos1/TPCP/TPCP-TPCP_Methods-of-Powder-Preparation.pdfSol-gel processing of colloids – nuclear industry, liquid chromatography, abrasives

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