Coal Sccl

Coal Mining-MethodsCoal Mining-Methods

Mining MethodsMining Methods

Coal is mined by two main methods - Coal is mined by two main methods - surface or ‘opencast’ mining and surface or ‘opencast’ mining and underground mining.underground mining.

The choice of method is largely The choice of method is largely determined by the geology of the coal determined by the geology of the coal deposit; the majority of the world's deposit; the majority of the world's coal reserves are recoverable by coal reserves are recoverable by underground mining. underground mining.

The The method usedmethod used is determined by is determined by the the depthdepth of coal deposit and the of coal deposit and the overburdenoverburden over it. over it. In other words In other words ratio of coal and overburden, decides ratio of coal and overburden, decides the method.the method.

Underground MiningUnderground Mining is to reach the is to reach the deposit by inclined or vertical entries deposit by inclined or vertical entries and without removing the overburden and without removing the overburden rock.rock.– mined out by various methods.mined out by various methods.

Mining Methods..Mining Methods.. UNDER GROUND MININGUNDER GROUND MINING

– Bord & Pillar (conventional hand section)Bord & Pillar (conventional hand section)– Bord & Pillar (Semi-mechanised)Bord & Pillar (Semi-mechanised)– Blasting Gallery method for thick seamsBlasting Gallery method for thick seams– Long wall MiningLong wall Mining

OPEN CAST MININGOPEN CAST MINING– Shovel and Dumper CombinationShovel and Dumper Combination– DraglinesDraglines– In-pit Crusher-Conveyor systemsIn-pit Crusher-Conveyor systems– Surface MinerSurface Miner

Mining Methods..

Incline

Excavator

Shaft Mine Incline Mine

Adit Mine Opencast Mine

PICTURE SHOWING AN INCLINE PICTURE SHOWING AN INCLINE ENTRY INTO A SEAMENTRY INTO A SEAM

ENTRY THROUGH A SHAFTENTRY THROUGH A SHAFT

A TYPICAL SHAFT MINE LAYOUTA TYPICAL SHAFT MINE LAYOUT

BORD & PILLAR LAYOUTBORD & PILLAR LAYOUT

DRILLING OPERATION DRILLING OPERATION IN THE COAL FACEIN THE COAL FACE

MANUAL COAL FILLINGMANUAL COAL FILLING

LOAD HAUL DUMPER IN BLASTING LOAD HAUL DUMPER IN BLASTING GALLERY METHODGALLERY METHOD

MECHANIZED DRIVAGE MECHANIZED DRIVAGE MACHINESMACHINES

SHEARER WORKING AT SHEARER WORKING AT LONGWALL FACELONGWALL FACE

POWERED ROOF SUPPORT POWERED ROOF SUPPORT AT LONGWALL FACEAT LONGWALL FACE

TYPICAL OPEN CAST MINETYPICAL OPEN CAST MINE

BLASTING IN BLASTING IN OPEN CAST BENCHESOPEN CAST BENCHES

ROPE SHOVEL AND DUMPERROPE SHOVEL AND DUMPER

HYDRAULIC SHOVEL AND DUMPERHYDRAULIC SHOVEL AND DUMPER

OPENCAST MINE WITH DRAGLINEOPENCAST MINE WITH DRAGLINE

OPENCAST MINEOPENCAST MINE WITH DRAGLINE WITH DRAGLINE

OPENCAST WITH IN-PIT CRUSHER OPENCAST WITH IN-PIT CRUSHER CONVEYOR TECHNOLOGYCONVEYOR TECHNOLOGY

OPENCAST WITH SURFACE MINEROPENCAST WITH SURFACE MINER

ROLE OF SCCL ROLE OF SCCL AND POLICY ISSUES….AND POLICY ISSUES….

COAL MINING IN INDIACOAL MINING IN INDIA Commercial coal mining in India Commercial coal mining in India

started in started in 1774 1774 by by M/s Sumner and M/s Sumner and HeatlyHeatly of East India Company in of East India Company in the Raniganj Coalfield along the the Raniganj Coalfield along the Western bank of river Damodar.Western bank of river Damodar.

On introduction of steam On introduction of steam locomotives in locomotives in 18531853 production production rose to an annual average of rose to an annual average of 11 million tonne.million tonne.

COAL MINING IN INDIACOAL MINING IN INDIA National Coal Development CorporationNational Coal Development Corporation

(NCDC) was set up in (NCDC) was set up in 19561956. It was the . It was the first major step towards planned first major step towards planned development of Indian Coal Industry.development of Indian Coal Industry.

Singareni Collieries Company Ltd.Singareni Collieries Company Ltd. (SCCL) is in operation since (SCCL) is in operation since 18891889..

Coking coal mines were nationalized in Coking coal mines were nationalized in 1971-72.1971-72.

Non-coking coal mines were Non-coking coal mines were nationalized in nationalized in 19731973..

NUMBER OF COAL MINESNUMBER OF COAL MINES IN INDIA (2003-04) IN INDIA (2003-04)

CILCIL 475475 SCCLSCCL 6767 TISCOTISCO 0707 IISCOIISCO 0303 DVCDVC 0101 BSMDCBSMDC 0101 J&K MineralsJ&K Minerals 0303 Bengal EmtaBengal Emta 0101 Jindal StripsJindal Strips 0101 TotalTotal 559559

Source: MoC Website

Godavari Valley Coalfields stretch Godavari Valley Coalfields stretch over an area of over an area of 350350 Sq. Kms. Sq. Kms.

Mines are located in Adilabad, Mines are located in Adilabad, Karimnagar, Warangal and Karimnagar, Warangal and Khammam Districts of Andhra Khammam Districts of Andhra Pradesh.Pradesh.

ABOUT SCCL…ABOUT SCCL…

ANDHRA PRADESH

COAL BELTS OF GODAVARI VALLEY COAL FIELD

1870:1870: Dr. William King discovered Dr. William King discovered coal in Singareni village coal in Singareni village (Khammam Dt.)(Khammam Dt.)

1889:1889: Hyderabad (Deccan) co. Hyderabad (Deccan) co. incorporated in England incorporated in England

and stocks and stocks were were traded traded in London Stock in London Stock Exchange. Exchange. Coal mining started.Coal mining started.

ORIGINS…ORIGINS…

1920:1920: Coal mining operations Coal mining operations transferred to transferred to the new company the new company and renamed asand renamed as ‘‘The The Singareni Collieries Company Singareni Collieries Company Limited’.Limited’.

1945:1945: Nizam of Hyderabad took over, Nizam of Hyderabad took over, thus thus Singareni became first Singareni became first Government Government managed coal managed coal company.company.

1960:1960: Govt. of India participated with Govt. of India participated with 49%49% equity.equity.

ORIGINS…ORIGINS…

1948:1948: Machine Mining ( Joy Machine Mining ( Joy loader loader and shuttle and shuttle cars).cars).

1951:1951: Electric coal drills.Electric coal drills. 1953:1953: Electric cap lampsElectric cap lamps 1954:1954: Flameproof electric Flameproof electric

equipmentequipment

RICH HERITAGE RICH HERITAGE Mile Stones….Mile Stones….

1975:1975: Opencast miningOpencast mining 1979:1979: Side Discharge LoadersSide Discharge Loaders 1981:1981: Load Haul Dumpers and Load Haul Dumpers and

Road Road HeadersHeaders 1983:1983: Longwall miningLongwall mining

Mile Stones….Mile Stones….

1986:1986: Walking DraglineWalking Dragline 1989:1989: French Blasting Gallery French Blasting Gallery

methodmethod 1994:1994: In-pit crushing and conveyingIn-pit crushing and conveying 2002:2002: Man-riding system in Man-riding system in

conventional conventional mines mines 2003:2003: Phasing out Manual Coal Phasing out Manual Coal

fillingfilling launched. launched.

Mile Stones…. Mile Stones….

OWNERSHIP…OWNERSHIP… SCCL is the oldest PSU in the country in coal SCCL is the oldest PSU in the country in coal

sector. sector. Only Coal Company in Joint Sector with Only Coal Company in Joint Sector with

equity participation by A.P. State Government, equity participation by A.P. State Government, Government of India Government of India

51%51% Equity is held by GoAP Equity is held by GoAP 49%49% Equity is held by GOI Equity is held by GOI The Company is governed by a Plan-The Company is governed by a Plan-

wise Tripartite Agreement between the wise Tripartite Agreement between the GoAP, GoI and SCCLGoAP, GoI and SCCL

SCCL’s Mission….SCCL’s Mission….

Excel in competitive environment.Excel in competitive environment. Optimise utilisation of resources.Optimise utilisation of resources. Conservation of natural resource of Conservation of natural resource of

coal.coal. Customer delight.Customer delight. Being model employer.Being model employer. Emphasis on protection of Emphasis on protection of

environment. environment.

Thank you