Mining

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Mining

Industry Pain Points & Solutions
High underground safety risks
Goafs are prone to spontaneous combustion and excessive gas may trigger explosions, while conventional fire prevention methods are ineffective.
Solution: On-site nitrogen generation provides continuous inert atmosphere for cost-effective, round-the-clock fire and explosion prevention.

Oxygen deficiency in deep & confined zones
Poor ventilation in deep mines causes hypoxia, dizziness and fatigue among workers, leading to potential safety incidents.
Solution: On-site oxygen supply improves working conditions effectively.

High cost and insufficient supply of purchased gas
Mines are mostly located in remote areas with high transportation costs for gas cylinders and liquid gas. Frequent cylinder replacement also causes supply interruptions and production delays.
Solution: On-site air separation systems deliver 24/7 continuous gas supply, cutting transport and replacement costs and eliminating logistics constraints.

Insufficient and slow gas supply for emergency rescue
Transporting oxygen and rescue gas over long distances delays emergency response during accidents.
Solution: On-site gas reserves enable immediate gas access and boost rescue efficiency.

Low recovery rate in mineral processing and gold extraction
Weak oxidation in traditional processes results in low precious metal recovery and resource waste.
Solution: Stable oxygen supply intensifies leaching and flotation reactions to improve ore utilization and production capacity.

Scheme Value
  • Advantage 01
    Independent and controllable gas supply for remote mining areas, no reliance on external gas sources.
  • Advantage 02
    Reduces underground high-pressure cylinder operations and storage to lower secondary safety risks.
  • Advantage 03
    Long-term continuous operation adapts to year-round non-stop mining production.
Typical Application Scenarios
  • 01
    Underground fire suppression
    Inject nitrogen into goafs, abandoned roadways and coal pillar fissures to reduce oxygen content, prevent coal spontaneous combustion and fire re-ignition, and stop fire spread.
  • 02
    Gas explosion prevention
    Nitrogen dilutes flammable gas in gas-enriched roadways and heading faces to mitigate explosion risks.
  • 03
    Dust explosion prevention
    Inert nitrogen atmosphere in crushing, screening and conveying workshops prevents mine dust explosions.
  • 04
    Equipment & pipeline maintenance
    Nitrogen purges flammable and toxic gas from underground pipelines and gas facilities before maintenance to ensure operational safety.
  • 05
    Confined area sealing
    Nitrogen blanketing for sealed old goafs and hazardous roadways isolates air and prevents leakage of harmful gas.
  • 06
    Oxygen supplementation for underground work
    Supply oxygen in deep mines, single-entry roadways and poorly ventilated high-altitude mining areas to avoid worker hypoxia.
  • 07
    Emergency rescue oxygen supply
    Standby oxygen in accident sites, refuge chambers and rescue capsules for first aid and life support.
  • 08
    Mineral processing & gold extraction
    Oxygen injection for oxidation leaching and flotation of gold, copper, lead-zinc ores to accelerate chemical reactions and raise metal recovery rate.

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