IoT for mining application and communication
- 1. Presented by: Name: Dr. S. K. Chaulya Designation: Scientist Affiliation: CSIR-CIMFR, Dhanbad Authors: Dr. S. K. Chaulya Dr. Surajit Dey CSIR-CIMFR, Dhanbad Road Dust Collecting and Briquetting System for Air Quality Control in Opencast Coal Mines
- 2. Dust emission due to different mining activities in a typical Indian opencast coal mine Haul and transport road 80.2% Drilling and blasting 1.3% Coal extraction 2.2% Topsoil handling 2.6% Overburden removal 2.8% Coal handling/stockpile 1.1% Miscellaneous 1.7% Screening plants 8.1% In opencast mine, haul and transport roads are the major generating source of particulate matters (SPM & RPM). It contributes around 80% of total emission from an opencast coal mine. Therefore, if we can control dust emission from mine roads, then the problem of air pollution in mining area will be reduced significantly . INTRODUCTION
- 3. View of Dust Generation from Opencast Mine Roads
- 4. Present System of Water Spraying by Tankers on Mine Road Surface Air polluting source, i.e. dust is not removed from the road surface. Due to water spraying road surface becomes muddy and sleepery. After a few hours water dries up and dust starts emitting again.
- 5. Coal Dust Collecting & Briquetting System Patent No. IN349337 The system: Controls air pollution, Utilizes waste coal dust as domestic fuel. The system collects coal dust from road surface & transforms into coal briquettes
- 6. Isometric View of the System
- 7. View of Field Trial of the System
- 8. View of Field Trial of the System
- 9. View of Field Trial of the System
- 10. Briquetting Machine & Coal Briquettes Gross Calorific Value of coal briquettes: 2556 – 3077 Kcal/kg Bentonite is used as binding material: Mineralogical composition is calcium hydrated aluminosilicate: Al2O2 16 - 19 % SiO2 48 - 60 % Fe2O3 4 - 7 % CaO 6 - 10 % MgO3 2.5 - 4 %
- 11. Technology Transferred to TATA Motors Limited 2. Field trial of road dust collecting system has been carried out in 2 mines, Hindustan Zinc Limited and Jindal Saw Limited, Bhilwada, Rajasthan 1. Industrial model of “Road dust collecting system” has been developed by TATA Motors. 11
- 12. System Details Rotating brush Suction mouth Centrifugal blower driven by Auxiliary engine Filters Storage hopper 1. Centrifugal blower 2. Auxiliary engine 3. Suction system 4. Dust storage 5. Hydraulic system for hopper tilting Major contents: Road dust collecting and briquetting system 12 Speciality of the system: It can be used on uneven mine roads, It can collect heavy amount of dust accumulated on mine roads, It can collect lump size up to 40 cm (by hose suction pipe), It can be used as industrial vacuum cleaner. Machine can be used also in coal handling plant for cleaning spillages from radius upto 100 m using centralized pipeline system. It can also be used as industrial air filtering system in confined space like crushing and screening plants etc.
- 13. Size of dust collected up to 40 cm (mixture of dust and solid lumps) The system cleared both solid lumps and dust at a speed of 10 km/h Field Trial of the System fabricated by TATA Motors 13
- 14. 14 The system effectively gathers large amount of dust from mine roads, resulting in a cleaner mine environment and improved visibility that reduces the risk of accidents. The system reduces the cost of air pollution control measures. Implementation of the system leads to a decrease in coal wastage, providing an economic advantage to the coal mining industry through the sale of coal briquettes. Conclusions THANK YOU