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Henan Hongke Heavy Machinery Co., Ltd. just completed a Φ 2.2×45m rotary kiln line for a molybdenum processor in Shandong. The system is now ready to run. Here's the story.
What the Customer Needed
This customer processes molybdenum concentrate. To turn it into a saleable product, they have to roast it—drive off sulfur and convert the material to molybdenum oxide. It's a critical step, and it has to be done right.
They needed:
Consistent roasting—complete sulfur removal, every batch
24/7 operation to meet demand
Dust and SO₂ control that meets environmental rules
Brand-new equipment—no used machines
A complete line, not just a kiln
They also wanted a partner they could count on for the long haul.
Why They Chose Us
They looked at several suppliers. Here's why they picked Henan Hongke Machinery:
We understand roasting – we've designed kilns for molybdenum and other minerals before
We built it for their material – sized for their feed, their moisture, their target output
We supplied the whole package – kiln, burner, dust collection, controls, everything
We don't disappear – spare parts, technical help, maintenance advice
What We Supplied
A complete roasting line built around a Φ 2.2×45m rotary kiln.
| Key Spec | Value |
|---|---|
| Diameter | 2.2 m |
| Length | 45 m |
| Application | Molybdenum concentrate roasting |
| Temp | Up to 1,000°C |
| Drive | Heavy-duty gear with backup |
The system includes:
Controlled feed system
Φ 2.2×45m rotary kiln with refractory lining
Multi-fuel burner (gas or coal)
Dust collector (cyclone + bag filter)
Discharge and cooling system
PLC controls with temperature monitoring
How It Works – Simple and Effective
| Stage | What Happens |
|---|---|
| Feed | Molybdenum concentrate enters through a controlled feeder |
| Heating | Material heats up as it moves through the kiln |
| Roasting | At 500–650°C, MoS₂ reacts with oxygen → MoO₃ + SO₂ |
| Discharge | Roasted product exits at the lower end |
| Gas treatment | SO₂ and dust are captured before release |
The drum rotates slowly. Internal flights lift and shower the material through the hot gas stream. Uniform contact, consistent roasting, no hot spots.
What the Customer Got
| Benefit | Why It Matters |
|---|---|
| Consistent roasting quality | Uniform product, batch after batch |
| 24/7 operation | Meets market demand |
| Environmental compliance | Dust and SO₂ under control |
| Lower operating costs | Optimized fuel use, less maintenance |
| Full support | Installation, commissioning, spare parts, technical help |
| Brand-new reliability | No hidden wear, full service life ahead |
Installation is complete. The system is ready to run.
Building Long-Term Partnerships
A successful installation is just the start. Our commitment to the Shandong customer continues:
Technical support – process advice and troubleshooting
Spare parts – critical components ready to ship
Maintenance guidance – help with preventive maintenance planning
Future cooperation – ready to support growth as their business expands
We're not just a supplier. We're a partner.
About Us – Short Version
Henan Hongke Heavy Machinery Co., Ltd. has been making rotary kilns, rotary dryers, ball mills, and crushers since 2006. We focus on one-stop solutions—complete systems, not just individual machines.
Let's Talk About Your Roasting Project
Need a kiln for molybdenum, other minerals, or any thermal process? We can help.
Contact Henan Hongke Heavy Machinery Co., Ltd. – we'll listen and deliver equipment that works.
Henan Hongke Heavy Machinery Co., Ltd.
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