Results 11 to 20 of about 19,333 (164)

The effect of pyrolysis temperature and ball-milling duration on characteristics of micro bio-char derived from oil palm empty fruit bunches

Sustainable Environment, 2023
Oil palm empty fruit bunch is a solid waste that accounts for 22% of palm oil production, but its utilization is still limited, so it needs further processing.
Hendrix Yulis Setyawan, Laila Safira, Aunur Rofiq Mulyarto, Susinggih Wijana, Dodyk Pranowo   +4 more
doaj   +1 more source

Predictive maintenance on ball mill liner using 3D scanner and its analysis in the mining industry of Papua Indonesia

Results in Engineering, 2023
In the mining industry, the primary production process entails transforming large ore deposits into valuable concentrates. To get minerals from large ores, a grinding machine is needed to reduce the size of the ore, and then the minerals can be extracted.
Lydia Anggraini, Dimetrius Kevin Lim, Rudi Suhradi Rachmat, Zhe Zhang   +3 more
doaj   +1 more source

Study on chip removal mechanism of PCD ball-end milling (1st report) cutting simulation by orthogonal cutting

Production and Manufacturing Research: An Open Access Journal, 2020
A polycrystalline diamond (PCD) ball-end mill is effective for processing molds made of hard and brittle materials, such as cemented carbide and ceramics and having fine and complex shapes with a high aspect ratio. The PCD ball-end mill has a distinctive
Peerapong Kasuriya, Takeshi Watanabe, Takashi Goto, Masahiko Jin   +3 more
doaj   +1 more source

Load model of ball mill based on power spectrum analysis

Gong-kuang zidonghua, 2013
The paper built load model of ball mill based on power spectrum analysis, and analyzed relations among ball mill load, sound intensity of mill noise and spectrum distribution of mill noise, that is sound pressure of detection point of mill noise is ...
ZHANG Jie, WANG Jian-min, YANG Zhi-gang, LI Yan-jiao   +3 more
doaj   +1 more source

Exploring the effects of a new lifter design and ball mill speed on grinding performance and particle behaviour: A comparative analysis [PDF]

Engineering and Technology Journal, 2023
Ball mills are the leading grinding equipment in the mineral processing industry. Balls are the primary component in the grinding of materials. Lifters lift these balls to the shoulder position before cataracts them to the toe position.
Ali Safa, Sahraoui Aissat
doaj   +1 more source

Investigation of Mill Balls Metal Deterioration in Mills KBM 370/850 (Sh-50А) when Fuel not Envisaged in the Mill Design is Used at Thermal Power Plants

Energy Engineering and Control Systems, 2015
Method for determining mill balls metal deterioration rate in a ball mill KBM 370/850 (Sh-50А) of dust-system of coal-dust boilers TPP-210А and TPP-312 300МW of thermal power plants is described in the paper.
Stepan Mysak, Taras Voronchak
doaj   +1 more source

Numerical simulation using in the preparation process of micron‐sized silica–aluminium composite powders by high‐energy alloying: Building visualisation and guiding preparation

Micro & Nano Letters, 2023
Silica‐aluminium composite powders are important precursors for the preparation of sealant coatings by supersonic flame spraying. Micron‐scale silica‐aluminium composite powders can be prepared using a planetary ball mill, but powder agglomeration often ...
Zhen‐yu Guo, Xin Zhang, Yan‐jun Wang, Si‐yuan Zhang, Yin Yin   +4 more
doaj   +1 more source

Characteristics and hydrogen desorption property of nanostructured graphite produced by grinding in vacuum atmospheres [Translated]†

KONA Powder and Particle Journal, 2014
The natural graphite ground in vacuum atmosphere by a vibration ball mill is found to have the porous nanostructure consisting of the agglomeration of primary particles of approximately 20nm in size.
Minoru Shirahige, Junichi Iida, Toshiyuki Fujimoto, Yoshikazu Kuga, Mikio Kawai, Junji Katamura   +5 more
doaj   +1 more source

Electromagnetic design and thermal analysis of module combined permanent magnet motor with wrapped type for mine ball mill

IET Electric Power Applications, 2022
With the large‐scale development of the ball mill, the direct‐drive gearless ball mill has emerged, eliminating the limitation of the transmission torque of large gear.
Yingying Xu, Bingyi Zhang, Guihong Feng
doaj   +1 more source

Improvement of methods to ensure energy efficiency of ball mills functioning [PDF]

E3S Web of Conferences, 2023
Mining, metallurgical, enrichment and processing enterprises require a large amount of electricity consumption. Among them, hydrometallurgical and enrichment enterprises currently consume 50-60% of total costs and 5.2% of all world electricity.
Mavlonov Jonibek, Mardonov Davron, Eshmirzayev Mirzohid, Togayev Islomjon   +3 more
doaj   +1 more source