Case studies
22 real applications from hydropower, mining, tunnelling, geothermal and factory sites
East ChinaManufacturing
Energy-saving air supply retrofit at a building-materials plant in east China
DMT160-36/7 (permanent-magnet VSD)
Southwest ChinaFoundation drilling
Electric air for foundation grouting and anchoring at a large hydropower project in southwest China
DM250-31/25, DM185 series
Northeast ChinaUnderground & open-pit mining
Cold-weather bench drilling at a large open-pit iron mine in northeast China
CM400-31/25, CM260-21/21
Southwest ChinaFoundation drilling
Electric units in parallel for steady air in a large hydropower project's underground works
DM138-23/19, DM185-26/21
Southwest ChinaTunnelling
Air supply for underground powerhouse tunnelling at a hydropower project in southwest China
DMT250-56/8
East ChinaQuarrying
Granite bench drilling at a stone quarry in east China
LGCY260-22/19
North ChinaGeothermal drilling
Deep-well drilling air for a geothermal heating project in north China
CM755-40/30-43/20K
Central ChinaWater well drilling
Water well drilling for a rural drinking-water project in central China
CM260-21/21-23/15
East ChinaSandblasting
Air supply for steel-structure sandblasting at a coastal shipyard
DM185-28/18
Northwest ChinaShotcrete
Air for secondary-lining shotcrete in a highway tunnel in western China
DMT220-45/7
South ChinaCable blowing
Air supply for fibre cable blowing on a telecom duct project in south China
LGDY90-16/10
Southwest ChinaUnderground & open-pit mining
Air for underground stope drilling at a non-ferrous mine in southwest China
DMT315-72/8
East ChinaCement
Process air and silo unblocking at a cement plant in east China
DM250-34/20
North ChinaMetal fabrication
Air for plasma cutting and pneumatic assembly at a metal products plant in north China
DM132-17/13
East ChinaWoodworking
Air supply for a pneumatic production line at a wood products company in east China
LGDY132-17/13
South AmericaUnderground & open-pit mining
High-altitude open-pit drilling air for an overseas mining project
CM550-35/34-38/25K
EuropeGeothermal drilling
Drilling air for residential ground-source heat pumps with a European construction company
CM360-29/24K
Southwest ChinaFoundation drilling
A fleet of nine electric units for dam and cavern works at a large hydropower project
DM250-33/21 ×2, DM185-26/21 ×7; plus CM260-21/18-24/14 diesel units
Southwest ChinaFoundation drilling
A 132 kW + 185 kW electric combination for a large hydropower project
DM138-23/19, DM185-26/21
Southwest ChinaFoundation drilling
Electric units at three pressures, matched to each process at a large hydropower project
DM185-23/24, DM185-26/21, DM138-23/19
Northwest ChinaSolar pile drilling
Pile drilling air for a solar farm in northwest China
LGCY260-22/19
Western ChinaSlope anchoring
Air for high-slope anchoring on a high-speed railway project in western China
CM400-31/25-33/18
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