Eco Friendly Pulse Plasma
Rock Fragmentation Technology
From
KAPRA, South Korea
Technology Brought to you by:
Sumul Patel
Dattatreya Inc., Vadodara
Rock Excavation
 Drill & Blast
 Control Blast
 Mechanical excavation - Hydraulic
breaker; jackhammer; Road header
 Hydraulic / pneumatic Splitter
 Chemical
 What Next?
Rock Excavation
 Drill & Blast
 Cheapest
 Volume excavation possible
 Permission
& license is must for usage, storage &
transportation
 Not permitted in the city, critical & sensitive
areas like airport; Dock, Refinery & Petrochemical
complex, Existing infrastructure, Near to Oil &
gas pipe line; Near to Railway lines; Heritage
structure etc.
Rock Excavation
 Control Blasting
 Volume excavation difficult
to achieve
 Permission & license is must for usage, storage
& transportation
 Limited permission available for usage, when
its must
 Usage is still restricted like drill & blast
Rock Excavation
 Mechanical Excavation - Hydraulic Breaker; Jack
Hammer; Road Headers etc.
 Reasonable
price
 Volume excavation not possible or very time
consuming in hard rock
 Very High Noise for rock breaking
 Easy to get services as many agencies available
Rock Excavation
 Rock Splitter
 Expensive Technology
 Volume excavation
not possible
 Easy to use in confined space like trenches,
Vertical Shaft, Tunnel corners etc.
 Easy to get services as many agencies available
Rock Excavation
 Chemical Process
 Effective when
boulders or rock is open from
all the sides
 Volume excavation not possible
 Easy to use
 Not effective in hard & compressed rock
ROCK EXCAVATION
Any Other Solution ?
ECO FRIENDLY
PULSE PLASMA
ROCK FRAGEMNTATION
TECHNOLOGY
FROM
KAPRA, S. KOREA
Pulse Plasma Concept
PRINICIPAL
 EPI Plasma is a Thermal Process.
 Aluminum & Copper Oxide powder is
energized in milliseconds to a Plasma
stage using Electrostatic Power Impulse
(EPI) Generator.
 Process generates the heat & impact
wave to crack & break the rock.
PRODUCT
 Electro Power Impactor (EPI):



Input Power – 30 KVA, 380 V, 3 phase, 50 Hz
Storage Energy – 268.92 kJ
Output Energy – 1, 34, 680 Kw
 Impact Cells:

2Al + 3Cuo = Al2O3 + 3Cu + 1197 KJ
 Plasma Cells & EPI are patented worldwide including
US, Europe, Japan, Australia, Korea etc
PROCESS
 Drill holes of 51 mm to a depth of 3 meter
 Insert Plasma cells
 Plug the hole using seal & sand bags
 Energized Electro Power Impactor (EPI) using 30 KVA
Generator.
 Provide Pulse to Plasma Cells from EPI
 Remove the Fragmented Rock using normal Excavator
ADVANTAGES
 Non-Explosive Product & Process certified by Petroleum
& Explosive Safety Organization, Government of India.
 No License & Permission for usage, storage &
Transportation for Plasma cells & EPI.
 Low Vibrations; Low noise & Low Dust.
 No Flying of Rocks & No Gases / fumes.
 No Resonance Generated & hence safe to use near to any
existing structure.
Comparison Table of Noise / Vibration
Vibration Level Comparison
Distance
Controlled Powder
Blasting
Avr. Vibration
EPI
Avr. Vibration
EPI / Controlled blasting
20M
0.092 kine
1.800 kine
Abt. 1/20
30M
0.089 kine
1.150 kine
Abt. 1/13
40M
0.047 kine
0.575 kine
Abt. 1/12
Sound Level Comparison
Distance
EPI
Avr. sound
Controlled Powder
Blasting
Avr. sound
EPI / Controlled Blasting
20M
67.6dB
83.2dB
Abt. 1/36
30M
65.3dB
78.9dB
Abt. 1/23
40M
65.8dB
73.3dB
Abt. 1/6
The difference of 10 dB means about 10 times difference in real sound i.e. The difference
of 80 dB and 70 dB is 10 times, and that of 80 dB and 60 dB is about 100 Times louder.
Comparison of Controlled Blasting & Plasma Rock Fragmentation
Control Blasting
EPI
Principal
Detonator + booster
Plasma Cell+ high
Current & Voltage
Energy
238.9 KJ fm 160 gm
1197 KJ fm 292.6 gm
Reaction
2NH4NO3=4OH2+2N2+O
2+238.92 KJ
2Al+3CuO=Al2O3+
3Cu+1197 KJ
Ammonia (Any) Nitrate
=Water + gas+ gas+
Energy
Solid = Solid + Solid +
Energy
20% Shock Wave + 80%
Gas Pressure
Shock Wave only
980 Liter / Kg
None
Generates noise, Vibration
& pressure
Generates Impact Pulse
Wave
Rapid gas Exp. - Earth
Vibration slowly reduced
& at long propagation
distance
Being thermic reaction
vibration reduced
speedy & disappeared
rapidly
Energy
Gas Generation
Energy
Energy / weight
ratio 2.7 times
Energy fm Gases
creates more impact
Comparison of Controlled Blasting & Plasma Rock Fragmentation
Control Blasting
EPI
Liquidation
Temp.
169* C
2850* C
Reaction Temp.
1300* C
3000* C
Vibration Frequency
is 10–30 Hz
VIBRATION
Frequency is 50-120
Hz
General Building
vibration Frequency
15-20 Hz
Due to overlapping of
frequency resonance
generated & effect the
nearby structure
As frequency is not
overlapping, it does
not generate
resonance
EPI is safe to operate to
nearby structure
Required specified
secured & safe place
stored openly at
regular storage area
Usage
License required
No license required
Transportation
License & special
vehicle required
No need for license &
special permission
Eco Friendly
No
Yes
Difficult
Easily Possible
Resonance
Storage
Qty. Excavation
Comments
Hard to detonate
APPLICATIONS
SAFE & SPEEDY ROCK EXCAVATION for
 Building Foundations
 Tunnels
 Next to the Airport; Rail Lines; Roads; Power Plants;
Dams; Canals; Industrial Plants; Oil & Gas Pipelines;
City Utility Network etc.
 Used for weak to Hard Rock
Drilling at Hiranandani, Mumbai
Rock Fragmentation-Mithi River, Mumbai
Plasma Cells – Mithi River, Mumbai
After Fragmentation, Mumbai
THANK YOU
CONTACT US AT :
Dattatreya Inc.
Web: www.dattatreyainc.com
Mail:sumul.patel@dattatreyainc.com
Cell: +91 982 4049872
Landline: +91 265 2974338