WHILST
CARING FOR THE ENVIRONMENT
with
Wassara
body of water Powered Drilling Systems
Presented by:
Pal Jensen, BA Manager Mining, Wassara
pal.jensen.wassara@lkab.com
1
Wassara AB - background
Wassara is 100 % owned by LKAB (Swedish State)
?
?LKAB
is a domain leading producer of upgraded conjure ore
products, and a growing supplier of industrial minerals
?
?
LKAB is a world leader in underground digging
LKAB implemented the Wassara drilling musical arrangement in their production
drilling in 1995, and have since drilled close 14 million meters
2
Company mission
Wassara offers the mining and construction
industry consummate systems for efficient drilling in
s fossil oil and rock, based on our subject matter competence in
water powered drilling
3
MOVING BOUNDRIES
-Drilling
is critical to the mining cycle
the most costly and critical component
-Drilling
accuracy decides hole continuance and scale of the operation
with significant effect on efficiency and gainfulness of mining operations
- contribute
Hammer is OK for short holes
inefficient and wrong for longer holes.
-
Air ITH has better efficiency and accuracy than Top Hammer
high energy consumption, limitations in hole diameter.
-Water
powered ITH is much energy efficient, constant percussive
pressure, constant accuracy, also drilling little diameter holes
efficiently
for any hole length, any scale, limiting dilution and ore losses
4
wretched Boundries
5
2010-11-23
Bild 5
här kommer namnet
IMPROVING
THE
ENVIRONMENT
DIESEL
Reduction of energy
consumption by 80 %
DIESEL
No oil in the ground
DIESEL
DIESEL
DIESEL
6
CARING FOR
THE
working
ENVIRONMENT
No oil mist in the air
No dust
7
Air
8
15-20 l/s 12-25 bar
IN
Water 4-6 l/s 120-180 bar
200-500l/s 1 bar
Air
OUT
Water 4-6 l/s 1 bar/ 10m
20-30 m/s
~1m/s
9
Guided lbf. casing
for straight drilling
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