Our Hydrogen Energy Comprehensive DC Electric Arc Furnace is an
innovative, eco-friendly smelting system that integrates hydrogen
energy utilization with advanced DC electric arc furnace
technology. Designed for metal smelting (steel, aluminum, copper),
alloy production, and mineral processing, this equipment
significantly reduces carbon emissions by replacing fossil fuels
(coke, natural gas) with hydrogen as a reducing agent and
supplementary energy source. It achieves high-efficiency,
low-carbon smelting while ensuring stable operation and product
quality, making it ideal for green manufacturing plants and
circular economy projects.
- Hydrogen Injection System: Equipped with a high-pressure hydrogen injection system (10-30
MPa) that delivers hydrogen into the furnace through specialized
nozzles. Hydrogen acts as a reducing agent (replacing up to 30-50%
of coke) and auxiliary fuel, reducing CO₂ emissions by 20-40%
compared to traditional electric arc furnaces.
- Safe Hydrogen Handling: Incorporates hydrogen leak detection, pressure relief valves, and
flame arresters to ensure safe operation. The system meets
international hydrogen safety standards (e.g., ISO 14687, SAE
J2579).
- Efficient Energy Conversion: DC technology provides stable arc discharge with high energy
density, resulting in faster melting (10-15% higher productivity)
and lower power consumption (250-350 kWh/ton of steel, depending on
raw materials).
- Uniform Temperature Distribution: The DC arc creates a rotating molten pool, ensuring uniform
temperature and composition, which improves product quality and
reduces refractory wear.
- PLC + AI Control System: Real-time monitors hydrogen flow, furnace temperature, voltage,
current, and molten pool parameters. AI algorithms optimize
hydrogen injection and electric power input to maintain optimal
smelting conditions.
- Remote Operation & Monitoring: Supports remote access via a secure cloud platform, allowing
operators to monitor and control the furnace from anywhere.
Includes predictive maintenance alerts to minimize downtime.
- High-Quality Refractories: Furnace lining uses magnesia-carbon or alumina-carbon bricks,
resistant to high temperatures (up to 1800℃) and corrosion from
molten metals and slags.
- Water-Cooled Components: Water-cooled furnace shell, electrodes, and tuyeres extend
equipment lifespan and reduce maintenance costs.
- Customizable Capacity: Available in capacities ranging from 5 to 100 tons per batch,
suitable for small-scale foundries to large integrated steel
plants.
- Multi-Fuel Compatibility: Can operate with hydrogen, natural gas, or a combination,
providing flexibility based on fuel availability and cost.
- Steel Production: Smelting scrap steel, direct reduced iron (DRI), and pig iron.
- Non-Ferrous Metals: Aluminum, copper, and nickel smelting.
- Alloy Manufacturing: Production of stainless steel, tool steel, and specialty alloys.
- Mineral Processing: Reduction of iron ore and other metal oxides.
- Green Technology Leader: Pioneering hydrogen integration in electric arc furnaces, helping
clients achieve carbon neutrality goals.
- Customized Solutions: Tailor-made equipment based on specific production needs, raw
materials, and energy sources.
- Comprehensive Support: From design and installation to training and maintenance, our
team provides end-to-end service.
- Proven Performance: Globally recognized with successful installations in Europe,
Asia, and North America.
Equipment use:
The LENR1-350/75 synthetic gas production equipment is mainly used
for heating and cracking the solid-liquid mixture (water) to obtain
a new combustible gas mixture.
Overview of working principle:
Under a certain pressure and temperature, the solid-liquid mixture
is heated by the arc generated between the electrodes. Under the
action of high temperature of the arc, the solid-liquid mixture is
cracked to produce a combustible mixture of hydrogen (H2) and
carbon monoxide (CO) as the main components.
Electrode (arc) + solid-liquid mixture → combustible gas mixture
Equipment features:
1) The low voltage constant current power supply system is adopted,
and the fusion cracking of the mixture of material and liquid
(water) is carried out by high power arc to produce a new
combustible mixture of hydrogen (H2) and carbon monoxide (OC);
2) Automatic monitoring and automatic adjustment of the
temperature, liquid level and pressure of the feed liquid mixture
in the cracking tank to achieve continuous and stable operation of
the cracking device for a long time;
3) Automatically monitor and record the flow and pressure of the
mixed combustible gas generated by cracking and automatically
adjust it to achieve continuous long-term compression and storage
of combustible gas;
4) To achieve continuous automatic electrode feeding, automatic
screwing, automatic centering, precision feed control stable arc
and longitudinal double-station collet automatic switching, etc.,
to ensure stable arc reaction of anode and cathode electrodes;
5) To achieve safe system startup, start and stop charging and
scavenging nitrogen, multi-point real-time monitoring and automatic
elimination of combustible gas around the equipment, and emergency
shutdown;
6) The electrode transmission mechanism can realize manual and
automatic conversion, independently realize startup and shutdown,
and can also realize linkage, which is convenient for
troubleshooting equipment repair and debugging maintenance;
7) To realize the water pressure and water temperature monitoring
alarm signal of circulating cooling water, the cooling water device
respectively provides the tank electrode seal, conductive chuck,
water-cooled cable, DC power supply and other cooling.
8) The industrial control computer mainly monitors the process, and
can set and modify the field parameters. The site signal is
collected and transmitted by the programmable controller PLC of the
lower computer, and communicates with the executing instruments.
Field control parameters such as arc voltage, current, power;
Electrode feed control accuracy, position accuracy; Gas pressure,
temperature, etc.; Centralized control and monitoring display of
temperature, liquid level and flow rate of the mixture.
9) Large screen monitoring screen, to achieve more than nine screen
centralized display, to achieve the electrode position in the
cracking tank liquid, arc state monitoring, to achieve the loading,
feed mechanical transmission state display, to achieve the gas
flow, pressure, temperature and other field display.
