Simulation of a high-pressure water jet structure as an innovative tool for pulverizing copper ore in KGHM Polska Miedź S.A.

• Autorzy: Borkowski P. , Shimizu S. , Peng G. , Oguma Y.

Identyfikatory

DOI

10.5277/ msc152212

• Języki publikacji: EN

Abstrakty

EN

Effective comminution of copper ore for further processing during flotation is still a challenge, both as a technological problem as well as for the high energy costs of such processing. A high-pressure water jet is one alternative method of preparing copper ore for final flotation, causing distinct enlargement of the surface of micronized particles, which could be profitable for copper production. As a consequence of such innovative processing, particles of copper ore become micronized, ensuring grain fractions directly useful for flotation at the exit of the pulverizing apparatus (the hydro-jetting mill).The paper presents some results of simulation as well as describing an analysis of the phenomena occurring inside the high-pressure water and abrasive-water jets of specific structures, elaborated in the aspect of developing hybrid jets of maximum erosive efficiency, potentially useful for effective pulverization.

Słowa kluczowe

EN

copper ore; comminution; high-pressure water jet; simulations

• Wydawca: Wydział Geoinżynierii, Górnictwa i Geologii, Instytut Górnictwa Politechniki Wrocławskiej
• Czasopismo: Mining Science
• Rocznik: 2015
• Tom: Vol. 22
• Strony: 147--159
• Opis fizyczny: Bibliogr. 32 poz., rys.

Twórcy

autor

Borkowski P.

• KGHM Cuprum Research & Development Centre, Wroclaw, Poland.

autor

Shimizu S.

• Fluid Engineering Laboratory, Nihon University, Koriyama, Japan

autor

Peng G.

• Fluid Engineering Laboratory, Nihon University, Koriyama, Japan

autor

Oguma Y.

• Fluid Engineering Laboratory, Nihon University, Koriyama, Japan

Bibliografia

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