INVT’s variable frequency drive solution for ironmaking processes focuses on strong environmental resistance, heavy-load adaptability, high efficiency & energy saving, and power grid self-healing, creating a highly reliable drive system for the entire ironmaking process.
Difficulty adapting to high-temperature, high-dust and high-humidity conditions: In blast furnace and sintering areas, high temperature, dust and humidity result in poor heat dissipation of VFDs, dust accumulation and moisture on components, accelerating aging and maintaining a high failure rate.
Challenges of heavy-load impact and frequent start-stop: Blast furnace fans and charging systems feature large load sudden changes and strong impacts; frequent start-stop of hot blast stoves easily triggers overcurrent/overvoltage protection, leading to unplanned shutdowns.
High energy consumption: In ironmaking processes, aging of equipment such as blast furnace blowers, dust removal fans and main sintering extraction fans aggravates the increase in energy consumption.
Severe power grid environment: Power grid fluctuations and harmonic interference cause false tripping and unwanted protection actions of VFDs, resulting in unplanned shutdowns and risks to production continuity.
INVT fully covers the ironmaking process with medium and low voltage VFDs, supported by three-proof design to adapt to harsh working conditions.With heavy-duty impact adaptation, high-efficiency energy-saving algorithms and power grid self-healing control, combined with a ten-year stable operation track record, it achieves highly reliable, low-energy consumption and zero-tripping operation for the entire ironmaking process.
View Larger ImageFull-process adaptation and coverage: A full range of medium and low voltage VFDs covers multiple process stages from raw material conveying to blast furnace smelting.
Highly reliable continuous operation: With voltage dip resistance, AVR voltage stabilization and three-proof design, it adapts to high-temperature, dusty and corrosive environments.
Strong grid adaptability: LVRT (Low Voltage Ride-Through) technology provides excellent immunity against grid fluctuations.
Green energy saving and efficiency improvement: High-efficiency frequency conversion combined with harmonic treatment significantly reduces power consumption and improves the power factor.
IoT-based operation and maintenance: Integrated remote IoT system realizes remote monitoring, active fault alarm, remote diagnosis and predictive maintenance.
The "automatic bypass for faulty units" technology eliminates unplanned downtime caused by VFD failures and improves production efficiency.
The system operates continuously despite grid voltage fluctuations, reducing the number of unexpected shutdowns.
Multi-level topology combined with dedicated fan energy-saving algorithms precisely matches process data, resulting in a significant reduction in power consumption per ton of product.
Real-time monitoring via the remote system enables rapid fault location and diagnosis, avoiding production losses.
Alumina Production Line Low-Voltage Drive Solution
With high-efficiency variable frequency technology, INVT achieves system-wide energy saving, stable process control, long equipment service life, safe power supply and intelligent operation & maintenance.It provides core electrical solutions to reduce costs, stabilize production and improve efficiency for alumina production lines.
Copper smelting Line Low-Voltage Drive Solution
INVT takes the IPE300 as the core, adapting to the full-process low-voltage loads of copper smelting, achieving reliable operation in harsh environments and precise process control, ensuring continuous and efficient production lines.
Copper Smelting SO₂ Fan Medium-Voltage Drive Solution
INVT's Medium-voltage VFD solution for SO₂ fans is tailored to the operating conditions of SO₂ fans in copper smelting. It features anti-corrosion, anti-shock performance and precise speed regulation, ensuring stable operation, environmental compliance, cost reduction and efficiency improvement.
Mining Hoist Drive Solution
INVT’s four-quadrant hoist solution integrates customized design, extreme energy saving, precise control, operating condition adaptation and full-life-cycle service.It delivers comprehensive value for mining and mineral processing hoisting equipment: enhanced safety, reduced energy consumption, upgraded efficiency and simplified operation & maintenance, helping mining enterprises lower costs, boost efficiency and achieve green transformation.
Mining Belt Conveyor Drive Solution
INVT’s variable frequency solution for mining belt conveyors adapts to heavy-duty and harsh working conditions through adaptive intelligent control.Master-slave coordination and heavy-duty starting technologies ensure stable operation of belt conveyors. Combined with intelligent operation and maintenance, it helps customers achieve stable and energy-saving equipment performance, safety and reliability, as well as cost reduction and efficiency improvement.
Mining Flotation Solution
INVT’s flotation and mineral processing solution delivers stable and reliable production, higher concentrate recovery rate, lower overall cost, and hassle-free operation and maintenance experience for customers.
Steelmaking Process Solution
INVT’s variable frequency drive solution for steelmaking processes features high reliability, strong anti-interference capability, precise control, stable continuity, easy operation and maintenance, and comprehensive safety as its core advantages.It adapts to extreme steelmaking working conditions, solves pain points in production and operation, and ensures continuous and efficient operation throughout the entire steelmaking process, as well as cost reduction and efficiency improvement.
Hot Rolling Mill solution
INVT's drive solution for bar and wire rod hot rolling production lines achieves full-link synchronization, micro-tension and high-performance control, adapting to the harsh working conditions of rolling lines and enabling efficient production.
Cold Rolling Mill Solution
INVT GD880 solves pain points such as precise control of multi-roll mills, achieving stable and efficient operation, cost reduction and quality improvement, ensuring reliable operation of cold rolling production lines.
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