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Singh, K. B.
- Morphological, Physical and Chemical Properties of Arid Soils of Bathinda District of Punjab
Abstract Views :254 |
PDF Views:29
Authors
K. B. Singh
1,
B. D. Sharma
2
Affiliations
1 Krishi Vigyan Kendra, Moga(PUNJAB), IN
2 Department of Soil Science, Punjab Agricultural University, Ludhiana(PUNJAB), IN
1 Krishi Vigyan Kendra, Moga(PUNJAB), IN
2 Department of Soil Science, Punjab Agricultural University, Ludhiana(PUNJAB), IN
Source
An Asian Journal of Soil Science, Vol 8, No 1 (2013), Pagination: 48-52Abstract
No Abstract
References
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- Chip Size Characterization for Selecting Optimum Production Parameters of Surface Miner Operating in a Coal Mine
Abstract Views :250 |
PDF Views:115
Authors
Affiliations
1 Central Institute of Mining and Fuel Research, Dhanbad 826 015, IN
2 Department of Mining Engineering, Indian School of Mines, Dhanbad 826 004, IN
1 Central Institute of Mining and Fuel Research, Dhanbad 826 015, IN
2 Department of Mining Engineering, Indian School of Mines, Dhanbad 826 004, IN
Source
Current Science, Vol 108, No 3 (2015), Pagination: 422-426Abstract
Coal production using surface miner technology is a well-accepted method today in Indian coal mines contributing a sizeable proportion to the overall production. Production of coal chips of desired size is an important parameter in surface miner performance evaluation in terms of tonnes per hour as well as fulfilment of the need of the consumers. The demand for an average chip size in the range 100-150 mm thermal power plants is growing and this size also fetches a premium price compared to blasted lumpy coal. A field study was conducted at Sonepur Bazari opencast mine, Eastern coalfields (ECL), West Bengal, India for evaluating the cutting operation and performance of a 2200 SM surface miner under varied operational and rock mass conditions. An imaging technique coupled with Fragalyst software was used for grabbing and analysing the sizes of chips produced by surface miner. The wide variation in chip size formation observed in the field was due to the fluctuations in cutting speed and also the presence of joints. This communications reports the study carried out on surface miner to develop a new methodology for characterizing chip size, fixing the optimum machine operating parameters for a desired chip size and also the production potential.Keywords
Surface Miner Technology, Chip Size, Coal Production, Rock Mass.Full Text