Mine VII Micare Unit Minera del Norte S.A de C. V.
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Mine VII Micare Unit Minera del Norte S.A de C.V
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Transcript of Mine VII Micare Unit Minera del Norte S.A de C. V.
Mine VII Micare UnitMinera del Norte S.A de C.V
Coahuila -Mexico Coal Basins
PIEDRAS NEGRASPIEDRAS NEGRASEAGLE PASS, EAGLE PASS, TxTx..
MONCLOVAMONCLOVA
SABINASSABINAS
SALTILLOSALTILLO
UnidadUnidadMICAREMICARE
UnidadUnidadMIMOSAMIMOSA
PIEDRAS NEGRASPIEDRAS NEGRASEAGLE PASS, EAGLE PASS, TxTx..
MONCLOVAMONCLOVA
SABINASSABINAS
SALTILLOSALTILLO
PIEDRAS NEGRASPIEDRAS NEGRASEAGLE PASS, EAGLE PASS, TxTx..
PIEDRAS NEGRASPIEDRAS NEGRASEAGLE PASS, EAGLE PASS, TxTx..
PIEDRAS NEGRASPIEDRAS NEGRASEAGLE PASS, EAGLE PASS, TxTx..
MONCLOVAMONCLOVA
SABINASSABINAS
SALTILLOSALTILLO
UnidadUnidadMICAREMICAREUnidadUnidadMICAREMICARE
UnidadUnidadMIMOSAMIMOSAUnidadUnidad
MIMOSAMIMOSA
Micare was established in 1977
Micare was established in 1977
We Operate:2 Underground Mines1 Open Pit Mine2 Wash Plants
We Operate:2 Underground Mines1 Open Pit Mine2 Wash Plants
Micare’s Production:
7 millions tonnes of thermal coal annually.
Micare’s Production:
7 millions tonnes of thermal coal annually.
Our Thermal Coal Client:“Comision Federal de Electricidad” Mexican Goverment Entity
Our Thermal Coal Client:“Comision Federal de Electricidad” Mexican Goverment Entity
Micare’s Coal Produces 10% of Mexico’s
Electricity
Micare’s Coal Produces 10% of Mexico’s
Electricity
Mine Location
Geology-Column Type
- 2-Entry Slope Mine Access- 1 Vertical Ventilation Shaft- 4-Entry Mains- 2-Entry Longwall Gateroads- 24 Projected Longwall Panels- 180-340m Overburden Depth Range- 7 m3/tonne Average Methane Gas Content- 1.7 – 3.0m Coal Thickness- Average ROM Ash Content 48.7%
Mine VII Description
Tren de Controles
ARCOS OMEGA
MC-29
MC-52
Gateroad Development
- 8 to 9 Alpine AM-50 or IBS-130 road headers for mains and gateroad development- 2-entry gateroad, horseshoe shaped entries having dimensions 4m wide x 3m high- Steel arches 33 kg/m installed on 1m spacing with steel mesh between the arches- Pillars dimensions 40m x 150m- 2 face fans/section, 75/150 HP, blowing or exhausting - 914 x 3000 mm (36”x10´) fiberglass ventilation tube- Advance Rates: 20,000m/year, 190m/month/unit
Longwall Characteristics
Barreno
BARRENO
BNO 1
BNO 2
BNO 3
Barreno
BARRENO
BNO 1
BNO 2
BNO 3
g
g
- Panel Dimension : 200 – 250m wide, 600 – 2000m long - Joy Shearer 7LS1A, 932 KW- AFC American Longwall/Ryfama, 900mm, 2x560 KW- Roof support Fazos shields 1.5m wide, 500t capacity- RMI hydraulic pumps- Face voltage 4160 V
X°7
X°04
X° 05
X°6
X°01
REGRESO
BANDA
X° 02
X°8
X°06
Regreso 1
Regreso 2
Banda
Arrastre
X° 07
X° 03
X° 17
X° 04
X°9
Banda
Arrastre
Regreso 1
Regreso 2
0+000 B
0+000 A286.704
286.667
X°1
X°T.V
X°1
INCLINADO ARRASTRE
INCLINADO BANDA
X°01
X° 02
X° 03
BANDA
REGRESO
REGRESO
BANDA
X° 04
X°2
X°00
X°05
X° 01
X°2
DIRECCION DE ENTRADA
X° 02
X° 03
X° 04
X°3
X°07
REGRESO
BANDA
X° 08
X° 03
X° 10
X° 04
X° 05
X° 09
X° 11
X° 10
BANDA
REGRESO
X° 06
X° 11
X° 12
X° 07
X°3
X°12
X° 13
X° 08
X° 09
X° 13
Banda
Arrastre
Regreso 1
Regreso 2
X° 10
X° 11
X° 12
X° 15
X° 13
X° 14
X° 01
X°4
X°5
REGRESO
BANDA
X°6
X°01
Cuarto de
Herram
ienta
C. peso
Telesillas
Barreno
Agua Lim
pia
Pilas
Mov.
Com
presor
Int's.E
lect.
Barreno
Cables
Barreno
Pileta
Banda
Arrastre
Regreso 1
Regreso 2
0+000 B
0+000 A
Regreso
BANDA
REGRESO
PTOX
°A
6
Barreno
3
V
IV
INT ERC
INTER
Barreno
P017
INT
E RS
P019
CAM
BIO D
E
PENDIEN
TE
762.411 INCL
733.90 HO
RIZ
INT
ERS
P017A
P016
P016 P015
BARRENO
BNO 1
BNO 2
BNO 3
63. 205
62. 153
X° 06
X° 01
X° 09
X° 02
X° 05
X° 06
X° 07
X° 08
X° 02
X° 03
X° 04
X° 05
X° 06
X° 14
X° 16
X° 13½
X° 14
X° 15
X° 16
REGRESO
MC
.-049
X° 01
X° 02
X° 03
X° 04
X° 05
X° 01
X°7
REGRESO
BANDA
X° 02
31
AGOST O20 12
31 AGOST O20 12
31
AGOST O20 12
31 AGOST O20 12
0+000 A 1 2 3 4
b-3 b-2
b-1
Cuarto de
Herram
ienta
C. peso
Telesillas
Barreno
Agua Lim
pia
Pilas
Mov.
Com
presor
Int's.E
lect.
Barreno
Cables
Barreno
Pileta
Barreno
INT
ERS
A1287.006A2287.024
A3286.981
M2287.187
M1287.446
T.V.1
T.V.2
T.V.3
X° 06
X° 07
X° 03
X° 04
MC
.-048
X° 05
X°8
M-3
8
M-3
9
M-4
0
M-4
1
M-4
2
M-4
3
M-4
4
M-4
5
M-4
6
M-4
7
M-4
8
M-4
9
M-5
1
M-5
2
M-5
1
M-5
0
M-3
8
M-3
9
M-4
0
M-4
1
M-4
2
M-4
3
M-4
4
M-4
5
M-4
6
M-4
7
M-4
8
M-4
9
M-5
0
M-5
1
M-5
2
M-5
3
M-1
1
M-1
2
M-1
3
M-1
M-2
M-3
M-4
M-5
M-6
M-7
M-8
M-9
M-1
0
M-1
M-2
M-3
M-4
M-5
M-6
M-7
M-8
M-9
M-1
0
M-1
1
M-1
2
M-1
3
M-1
4
M-1
5
M-1
6
M-1
7
M-1
8
M-1
9
M-2
0
M-1
4
M-1
5
M-1
6
M-1
7
M-1
8
M-1
9
M-2
0
M-2
1
M-2
2
M-2
3
M-2
4
M-2
5
M-2
6
M-2
7
M-2
8
M-2
9
M-3
0
M-2
1
M-2
2
M-2
3
M-2
4
M-2
5
M-2
6
M-2
7
M-2
8
M-2
9
M-3
0
M-3
1
M-3
2
M-3
3
M-3
4
M-3
5
M-3
1
M-3
2
M-3
3
M-3
4
M-3
5
M-3
6
M-3
7
M-3
6M
-36
M-3
7M
-37
14,51
X°9
M-3
8M
-38
M-3
9
M-4
0
M-4
1
M-4
2
M-4
3
M-4
4
M-4
5
M-4
6
M-4
7
M-4
8
M-4
9
M-5
0
M-5
1
M-5
2
M-3
9
M-4
0
M-4
1
M-4
2
M-4
3
M-4
4
M-4
5
M-4
6
M-4
7
M-4
8
M-4
9
M-5
0
M-5
1
M-5
2
M-5
3
M-5
4
M-5
5
M-5
6
M-5
7
M-5
8
M-5
9
M-6
0
M-6
1
M-6
2
M-6
3
M-6
4
M-6
5
M-6
6
M-6
7
M-6
8
M-6
9
M-7
0
M-7
1
M-7
2
M-7
3
M-7
4
M-5
3
M-5
4
M-5
5
M-5
6
M-5
7
M-5
8
M-5
9
M-6
0
M-6
1
M-6
2
M-6
3
M-7
5
M-7
6
M-7
7
M-6
4
M-6
5
M-6
6
M-6
7
M-6
8
M-6
9
M-7
0
M-7
1
M-7
2
M-7
3
M-7
4
M-7
5
M-7
6
M-7
7
M-7
8
M-7
9
M-8
0
M-7
8
M-7
9
M-8
0
M-8
1
M-8
2
M-8
3
M-8
4
M-8
5
M-8
6
M-8
7
M-8
8
X°10
M-1
M-2
M-3
M-4
M-5
M-6
M-7
M-8
M-9
M-1
0
M-1
1
M-1
2
M-1
3
M-1
4
M-1
5
M-1
M-2
M-3
M-4
M-5
M-6
M-7
M-8
M-9
M-1
0
M-1
1
M-1
2
M-1
3
M-1
4
M-1
5
31,72
Banda
Arrastre
Regreso 1
Regreso 2
X°1
X°1
BANDA
REGRESO
REGRESO
BANDA
X°2
X°00
X°2
X°3
REGRESO
BANDA
BANDA
REGRESO
X°3
Banda
Arrastre
Regreso 1
Regreso 2
X°4
X°5
REGRESO
BANDA
X°6
X°01
X° 06
REGRESO
X° 02
X° 03
X° 04
X° 05
X° 06
X° 16
REGRESO
X° 01
X° 02
X° 03
Banda
Arrastre
Regreso 1
Regreso 2
X°1
T.V
X°1
BANDA
REGRESO
REGRESO
BANDA
X°2
X°00
X°2
X°3
REGRESO
BANDA
BANDA
REGRESO
X°3
Banda
Arrastre
Regreso 1
Regreso 2
X° 01
X°4
X°5
REGRESO
BANDA
X°6
X°01
MAIN SHAFT350 m3/h
Longwall Ventilation System
- Coal prone to spontaneous combustion- Utilizes “U” ventilation system- Ventilation provided to longwall face 20-25 m3/sec- Concrete seals are installed in crosscuts behind face
63. 205
62. 153
Longwall Gas Control
* Gob gas wells* 90m spacing along panel, 30m off TG* 450lps gas well pump capacity* Gas wells completed 5m above coal seam* Slotted steel pipe casing
Automated Monitoring System (AMS)
Infrastructure
Automated Monitoring System (AMS) – The main objective of the AMS is to monitor in real time the gas concentration in the working faces and other mine areas such as conveyor belts and returns, safe guarding the personnel’s integrity and mine infrastructure.
The most common measured gases in coal mining are: Methane (Ch4), Carbon Monoxide (CO), CO-Smoke for conveyor belts, among several others.
The system can shut down electrical power to a mine section once the concentration goes above the configured value; the same applies to conveyor belts. This is accomplished by programming the system with the maximum allowed values.
Mine evacuation alarms are also controlled via the Automated Monitoring System.
Mine Control Room – Personnel are available all shifts to monitor the gas measurements in the mine. Feedback is given to supervisors about the mine gases concentrations and actions are taken accordingly.
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 20140
500000
1000000
1500000
2000000
2500000
3000000
3500000
4000000
4500000
Mine V Mine VI
Mine VII
Historical Underground Mine Production Micare Unit
4M Tonne Annual Production Strategy
- Increase capacity of coal conveyance- Rebuild Existing or purchase new equipment- Skilled Personnel- Have available 4 Sets longwall equipment- Maintain 2 Operating Longwalls- Mine 4 Longwall panel per year
- Unexpected Geology Faults- 5 to 15 meters throw- Changing orientation- Narrowing long wall width- Spliting of Long Wall panel- Weak and stressed fault zone- Slow down roadgate development- Increase Long Wall moves- Excesive wear of equipment
4 MM T Production Constraints
Longwall polyurethane injection system
Negotiating Faults in Longwall Panels
Timely Fault Detection for Mine Planning- Reduce the size of the exploration grid (increased drilling)- Utilize seismic detection methods
Decrease Longwall Move Duration Times- Acquire spare components/parts in advance- Increase gateroad development rates- Increase productivity- Increase number of roadheader units- Reduce roof support cost- Rebuild equipment in-house
Action Plan to Manage Mining Constraints
S=3
S=7
S=3
S=7
S= 3-4 m
Banda
Arrastre
Regreso 1
Regreso 2
REGR
ESO
BAND
A
BAND
A
REGR
ESO
L-27
37
L-27
35
L-2736
L-2733
L-27
40L-
2741
L-2739
L-2742
18-0
5-1322
-06-
13
06-07-13
13-0
7-13
03-0
8-13
31-08-13
21-0
9-13
12-10-13
23-1
1-12
14-12-13
L-27
38
Geologic Fault Detection - Reflection Seismic Method
- 2km seismic line- 10 days surveying analysis- Detection of minimun 5mfault throw- 3 D seismic project to detect faults with <3m throw
Interpretación Línea 2723
Fault, Throw 9 m. Fault < 3 m.
S N
Geological Fault Detection - Reflection Seismic Method
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