OPERATIONAL PERFORMANCE OF A CONVENTIONAL TWO-COMPARTMENT BALL MILL GRINDING CIRCUIT AT DIFFERENT CEMENT PRODUCTIONS

Yıl 2018, , 125 - 133, 01.06.2018

Ömürden Genç , A.hakan Benzer

https://doi.org/10.30797/madencilik.433928

Öz

The purpose of the study is to assess the grinding and classification performance of a

conventional Polysius® two-compartment ball mill and a Sepol® dynamic air classifier closed

circuit process at Portland CEMI/42.5R and Portland composite CEMII/32.5R cement production

types. For this purpose, industrial scale sampling surveys were performed around the circuit.

JKSimMet Steady State Mineral Processing Software was used to perform mass balance around

the circuits. Size reduction performance of the ball mill was determined for the sampling cases.

Classification performance of the dynamic air classifier was evaluated based on the efficiency

curve approach. It was determined that, approximately 12% circuit capacity increase could be

achieved in composite cement production when ball mill, ball mill filter and air classifier power

consumptions were considered. This figure corresponded to overall energy savings of 7% in ball

mill grinding.

Anahtar Kelimeler

Grinding, Ball mill, Air classifier, Cement, Energy

KONVANSİYONEL İKİ KAMARALI BİLYALI DEĞİRMEN ÖĞÜTME DEVRESİNİN FARKLI ÇİMENTO ÜRETİMLERİNDE İŞLETME PERFORMANSI

Öz

Bu çalışmanın amacı, konvansiyonel Polysius® iki kamaralı bilyalı değirmen ve Sepol® dinamik

havalı sınıflandırıcı kapalı devre işleminin Portland CEMI/42.5R ve Portland kompoze CEMII/32.5R

çimento üretimlerinde öğütme ve sınıflandırma performanslarının değerlendirilmesidir. Bu

amaçla, devre etrafında endüstriyel örnekleme çalışmaları yürütülmüştür. JKSimMet Cevher

Hazırlama Yazılımı ile devre etrafında madde denkliği yapılmıştır. Bilyalı değirmenin boyut

küçültme performansı örnekleme dönemleri için belirlenmiştir. Dinamik havalı sınıflandırıcının

sınıflandırma performansı verimlilik eğrisi yaklaşımına göre değerlendirilmiştir. Bilyalı değirmen,

bilyalı değirmen filtresi ve havalı sınıflandırıcı enerji tüketimleri düşünüldüğünde, kompoze

çimento üretiminde devre kapasitesinde yaklaşık olarak %12’lik bir artış sağlanabilmektedir. Bu

değer, bilyalı değirmen öğütmesinde %7’lik bir enerji tasarrufuna karşılık gelmektedir.

Anahtar Kelimeler

Öğütme, Bilyalı değirmen, Havalı sınıflandırıcı, Çimento, Enerji

Kaynakça

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