The document provides information about highwall mining technology. It discusses how highwall mining can extract coal from the face of a coal seam under a highwall in a surface mine. It notes that SCCL is the first company implementing this technology in India at certain mines. Highwall mining provides an economical way to extract coal reserves locked in the highwall that would otherwise be lost. The technology involves driving parallel entries into the coal seam without artificial support using auger heads or continuous miners.
The basic principle of BG method is to be extract thick coal seams by drilling and blasting of roof and sides of gallery, which are driven at the bottom at the bottom of the seam at regular intervals.
Blasting gallery method is the appropriate method for the extraction of thick seam.
BLASTING OF RING HOLES PRODUCTION PER RING BLAST EXPLAINED
The basic principle of BG method is to be extract thick coal seams by drilling and blasting of roof and sides of gallery, which are driven at the bottom at the bottom of the seam at regular intervals.
Blasting gallery method is the appropriate method for the extraction of thick seam.
BLASTING OF RING HOLES PRODUCTION PER RING BLAST EXPLAINED
Criteria for selection of Board and pillar for multiple seamsAsim kumar Satapathy
So the main purpose of this project is to focus on the selection criteria of Bord and Pillar workings without compromising the safety factor in multiple seam.
A detailed description and innovation by me on HIghwall Mining Methods.
Methods presented can inhance highwall stability and extraction %.
Contact me via mail @ jasmeetsinghsaluja@hotmail.com for method details, video and the program
Room and Pillar mining method is one of the oldest existing mining methods. This system in which the mined material is extracted across a horizontal plane, creating horizontal arrays of rooms and pillars. Usually those room and pillars are uniform size. Pillars may or may not be removed after extraction.
Used for soft as well as hard rock mining and is commonly associated with coal, potash, uranium, and other industrial materials.
Longwall; Longwall in coal; Longwall in Hard Rock; Sublevel Caving; Characteristics of the ore body and mining method; Development; Production; Equipments Used; Block Caving, Introduction, Historical evolution of the method, Condition deposit; Principles of the method; Methodology of block caving; Basic issues of geomechanical to the black caving method; Caveability;Mine design Block caving; Fragmentation and extraction control; Subsidence associated; Advantages and Disadvantages of Block Caving
It's a case Study for High wall Mining thats done in SCCL.
Also you can find awesome videos related to Mining activities in my YOUTUBE CHANNEL i.e. Knowledge Stuff. Please SUBSCRIBE my channel. My youtube link is given below:-
https://www.youtube.com/channel/UCKgkj6M1M-AWlonTzn_51Gw
Also there are some videos you may like:-
HIGHWALL Mining in INDIA :-
https://www.youtube.com/watch?v=uqlmBm81aIw
Drilling and Blasting Videos at Bauxite OCP - https://www.youtube.com/watch?v=dNwSZq5T3bg
Biggest Dragline Excavator in INDIA -
https://www.youtube.com/watch?v=FLg6ZPtfzHs
A typical day at an OPEN cast mine :-
https://www.youtube.com/watch?v=JYeqqX7BaTw
I hope you like it and share it.
it is a mining method by which we can extract the coal of highwall, when the open cast reaches to its limiting point, by the help of this method we can extract the locked up coal.
Criteria for selection of Board and pillar for multiple seamsAsim kumar Satapathy
So the main purpose of this project is to focus on the selection criteria of Bord and Pillar workings without compromising the safety factor in multiple seam.
A detailed description and innovation by me on HIghwall Mining Methods.
Methods presented can inhance highwall stability and extraction %.
Contact me via mail @ jasmeetsinghsaluja@hotmail.com for method details, video and the program
Room and Pillar mining method is one of the oldest existing mining methods. This system in which the mined material is extracted across a horizontal plane, creating horizontal arrays of rooms and pillars. Usually those room and pillars are uniform size. Pillars may or may not be removed after extraction.
Used for soft as well as hard rock mining and is commonly associated with coal, potash, uranium, and other industrial materials.
Longwall; Longwall in coal; Longwall in Hard Rock; Sublevel Caving; Characteristics of the ore body and mining method; Development; Production; Equipments Used; Block Caving, Introduction, Historical evolution of the method, Condition deposit; Principles of the method; Methodology of block caving; Basic issues of geomechanical to the black caving method; Caveability;Mine design Block caving; Fragmentation and extraction control; Subsidence associated; Advantages and Disadvantages of Block Caving
It's a case Study for High wall Mining thats done in SCCL.
Also you can find awesome videos related to Mining activities in my YOUTUBE CHANNEL i.e. Knowledge Stuff. Please SUBSCRIBE my channel. My youtube link is given below:-
https://www.youtube.com/channel/UCKgkj6M1M-AWlonTzn_51Gw
Also there are some videos you may like:-
HIGHWALL Mining in INDIA :-
https://www.youtube.com/watch?v=uqlmBm81aIw
Drilling and Blasting Videos at Bauxite OCP - https://www.youtube.com/watch?v=dNwSZq5T3bg
Biggest Dragline Excavator in INDIA -
https://www.youtube.com/watch?v=FLg6ZPtfzHs
A typical day at an OPEN cast mine :-
https://www.youtube.com/watch?v=JYeqqX7BaTw
I hope you like it and share it.
it is a mining method by which we can extract the coal of highwall, when the open cast reaches to its limiting point, by the help of this method we can extract the locked up coal.
A short description of Highwall Mining and its performance and application. The details of the equipments and the mining procedure are mentioned. Hope it will help you guys!
Overview of Highwall Mining. A small Pictorial Demonstration files. New Technology. Solution to unreachable beded deposit. Highwall mining is a remotely controlled mining method which extracts coal from the base of an exposed highwall. The method has the advantage of low capital cost and less lead time compared with a full underground mine, while being capable of producing in excess of 1 million tonnes per system per year.
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Highwall mining
1. PRESENTATION
ON
Highwall Mining
I. Satyanarayana, M.Tech,MBA,MCA
Dy. Manager, Project Planning, SCCL,
isnindian@gmail.com,
visit at
www.slideshare.com/isnindian
2. High Wall Mining Technology
• Highwall Mining is a remotely controlled mining method, which
extracts coal from the face of a coal seam under a highwall in a
surface mine, which has reached the final highwall position due to
uneconomic stripping ratios Or due to local constraints which limit
further surface mining.
• The coal left in the High wall can be extracted by this technology
which otherwise would be lost for ever
• SCCL is the 1st company implementing this technology in India
• The following mines are identified for extraction of coal from the
Highwall by using this technology
• RG OC II Extension (already extracted)
• RG OC I Expansion
• Medapalli OC Expansion
• Koyagudem OC II
3. Highwall Mining Technology:
• This method relies upon the self supporting capacity of the strata
above the series of parallel entries driven mechanically to a
considerable depth without artificial roof support and ventilation in
the seam horizon.
• This technology provides an economical way to extract coal reserves
locked up in the highwall.
• The extent of an opencast project is limited by the financial viability,
though coal seam continues to exist beyond the quarry limits.
• Non-replenishable coal is getting lost forever within the highwalls of
the opencast projects.
• This technology is being practiced in USA, Australia and Indonesia
• Limiting gradient – 1 in 3.5 and maximum penetrating depth (in level
gradient) is around 500 m
8. High wall Mining Technology – Auger Type
• Consisting of single or dual cutting heads with coal being cleared
by spiraled flights, creating circular entries
10. Highwall Mining Methods -
Continuous Highwall Miner (CHM)
Consisting of a remotely operated continuous miner followed by a series
of material transfer cars, creating rectangular entries
