1.8
Coal Rank and Quality
. Table 3 and 4 summarized
some details of coal quality.
Table 3
| Formation
|
Coal
#
|
Raw Coal
Quality (Min-Max)/Average |
Coal
Rank |
| Ad (%)
|
Vdaf (%)
|
St,d (%)
|
H.V (Mj/kg)
|
|
Shansi
|
02
|
|
|
|
|
Fat, Coking,
lean |
| 03
|
|
|
|
|
Fat, Coking,
lean, meager
|
| 2
|
|
|
|
|
Fat, Coking,
lean |
| 3
|
|
|
|
|
Fat, Coking,
lean, meager
|
| 4
|
|
|
|
|
Fat, Coking,
lean, meager
|
|
Taiyuan
|
6
|
|
|
|
|
Fat, Coking,
lean, meager
|
| 7
|
|
|
|
|
Fat, Coking,
lean, meager
|
| 8
|
|
|
|
|
Fat, Coking,
lean, meager
|
| 9
|
|
|
|
|
Fat, Coking,
lean, meager
|
Table 4
|
Coal
|
Ash
Analysis of Raw Coal（%）
|
| SiO2
|
AI2O3
|
Fe2O3
|
CaO
|
MgO
|
TiO2
|
| #3
(Shansi
Formation)
|
31.59-59.07
|
1.38-7.93
|
28.82-45.53
|
0.70-18.78
|
0.30-3.00
|
|
| #6
(Taiyuan Formation)
|
51.95-54.24
|
1.8-2.93
|
39.72-45.15
|
0.44-1.47
|
0.28-0.33
|
|
1.9 Coal
Resources and Reserves .
Table 5 summarized some details of coal resources and reserves. See for details.
Table 5
| Mine
Name |
Planned
Capacity (10³t/y) |
Coal
Rank |
Geological
Reserves
(Mt) |
Proven
Reserves
(Mt) |
Depth of Reserves
(m) |
|
|
|
lean, meager |
141.81 |
133.76 |
0 ~ 470 |
|
|
|
lean, meager |
1958.27 |
1905.70 |
0 ~ 1000 |
|
|
|
fat, lean, meag. |
420.59 |
419.22 |
0 ~ 450 |
|
|
|
lean, meager |
903.96 |
900.39 |
0 ~ 472 |
|
|
|
lean, fat, coking |
574.11 |
565.92 |
0 ~ 120 |
|
|
|
coking, fat |
337.76 |
328.82 |
0 ~150
|
|
|
|
lean, coking, fat |
1544.31 |
1412.46 |
0 ~ 625 |
| |
|
fat, lean, coking |
1155.85 |
1084.73 |
0 ~ 452 |
|
|
|
lean, meager |
870.89 |
870.62 |
0 ~ 350 |
1.10
Coal Petrography and Geochemistry
1.11
Potential for Coal–bed Methane
1.12
Mining Condition:
The physical features of the roofs are in Table 6:
Table 6
Petrology
of Roof & Floor |
Compressive
Strength (Mpa) |
Tensile
Strength (Mpa) |
Limestone
|
|
|
fine-
/med.-grain. sandst. |
|
|
siltstone
& silty shale |
|
|
shale,
coaly shale |
|
|
Generally, mining conditions for most coal seams
here can been described as
easy.
1.13
Hydrogeology
2. Mining Method &
Equipment
2.1
Mine type
Table 7. Mining Method used by Xishan Coal Mining Administration
since 1990.
| Mine Name
|
Pit Types
|
Mining Method
|
| |
shaft & inclined
shaft |
longwall
|
| |
drift & inclined
shaft |
longwall,
|
| |
shaft & inclined
shaft |
longwall |
| |
shaft & inclined
shaft |
longwall
|
|
|
shaft & inclined
shaft |
longwall |
2.2 Mine Planned Capacity
and Production (Table 8):
Table
8. Capacity and raw coal production in 2003 of the mines
of Xishan
| Mine Name
|
Capacity (Mt)
|
Output (Mt)
|
| 1998
|
1999
|
2003
|
| |
0.90
|
|
|
|
| |
3.30
|
|
|
|
| |
2.40
|
|
|
|
| |
3.00
|
|
|
|
| |
3.00
|
|
|
|
|
|
1.50 |
|
|
|
|
|
4.00 |
2.3608 |
2.2481 |
2,7480 |
|
|
4.00 |
|
|
|
|
|
4.00
|
|
|
|
|
Total (XXXX)
|
22.10
|
16.1237
|
? |
16.2900
|
2.3 Equipment Type:
3. Labor and Productivity:
Table 9 Labor statistics of the mines of
Xiqu (2002).
|
|
Number
(person)
|
Productivity (2003)
|
Wage
(Yuan/year)
|
Safety
(2002)
|
|
Total
|
|
|
|
|
|
Operator
|
|
|
|
|
| Maintenance
|
|
|
|
|
| Management
|
|
|
|
|
|
others
|
|
|
|
|
4. Coal handling &
processing
4.1 Wash-plant
Xishan
has xx washers......
Table 10 shows the
details:
Table 10
| Items
|
A plant
|
B plant
|
C plant
|
D plant
|
E plant
|
|
Process |
|
|
|
|
|
|
Equip. age |
|
|
|
|
|
|
Capacity (by feed) |
|
|
|
|
|
|
Yield (%) |
|
|
|
|
|
|
Coal Rank |
|
|
|
|
|
4.2 Stack-piles:
4.3 Loadout:
5. Production
5.1 Historical run of mine (ROM):
5.2
Saleable production:
5.3 Planned ROM & saleable tonnage in 2002:
5.4 Future
Plants: a) ,b),
c)
6. Costs
6.1 ROM cost:
6.2 Process costs:
6.3 Handling cost and loadout:
6.4. Administration
& overheads:
6.5 Royalties
or levies:
6.6
FOR cost and Sale Price:
6.7 Capital investment:
6.8 Future
capital cost/investment program: ?
7. Transport:
7.1 Type (Rail/road/ conveyor/other):
7.2 Distance:
7.3
Transport capacity:
7.4
Transport coast:
8.
Saleable Coal Characteristics and Market
8.1
Coal specifications
Most saleable coals
of Xishan coalfield
are meager coal, lean coal, coking coal and fat
coal, in which meager coal are not washed. Their specifications
are shown in Table 11and 12.
Table 11 Washed coal
type and their specification of Xishan coalfield.
|
Mine
& Washpl. |
Products
|
Production
(Mt)
|
Mt
(%)
|
Ad
（%）
|
Vd
(%)
|
St
(%)
|
HV
(kcal/kg)
|
GR
I |
Y
(mm)
|
|
|
|
|
|
|
|
|
|
|
|
Tale 12. Products and their specification
of X
|
|
Fat Coal |
Coking Coal |
Lean Coal |
Steaming Coal |
Lean Coal |
Lean+Meager |
|
Type
|
fine
|
fine
|
fine
|
high quality
|
mixed
|
mixed
|
|
Size (mm)
|
|
|
|
|
|
|
| Specification
|
Mt %
|
|
|
|
|
|
|
| Ad %
|
|
|
|
|
|
|
| Vdaf %
|
|
|
|
|
|
|
| St,d
|
|
|
|
|
|
|
| H
V |
Mj/kg
|
|
|
|
|
|
|
| kcal
/kg |
|
|
|
|
|
|
| GR
I |
|
|
|
|
|
|
| Y mm
|
|
|
|
|
|
|
| C daf
% |
|
|
|
|
|
|
| Hdaf
% |
|
|
|
|
|
|
| Ndaf
% |
|
|
|
|
|
|
| Pd
% |
|
|
|
|
|
|
| HCI |
|
|
|
|
|
|
| CSN |
|
|
|
|
|
|
| FT °C
|
|
|
|
>1500
|
>1500
|
>1500
|
8.2 Market
8.2.1
Domestic Market
8.2.2 Export
8.2.3 Future plans
9. Opportunities
