Henan Hongke Heavy Machinery Co., Ltd. delivered an 800 TPD active lime rotary kiln line to a customer in Shaanxi. Here's the short version.
Who the Customer Is
A lime producer in Shaanxi. They supply local steel mills, carbide plants, and chemical producers with active lime.
What Problem They Had
Capacity was too low for contract volumes
Lime reactivity was inconsistent
Fuel consumption was high
Dust emissions had to meet stricter standards
Manual operation meant variable quality
Frequent maintenance stops
They needed a new high-capacity line—not a rebuild.
Why They Chose Us
We talked process, not just price – limestone properties, preheating, calcination profile, cooling rate
We matched the design to their limestone – particle size, CaO content, impurities
We supplied the full scope – preheater, kiln, cooler, burner, dust collection, controls
They inspected our factory before signing
What We Supplied
A complete lime line around a Φ3.6×56m rotary kiln.
| Key Spec | Value |
|---|---|
| Capacity | 800 TPD |
| Kiln diameter | 3.6 m |
| Kiln length | 56.0 m |
| Preheater | Vertical, multi-chamber |
| Cooler | Vertical |
| Calcination temp | Up to 1,350°C |
| Fuel | Coal / gas |
Included: vertical preheater, Φ3.6×56m rotary kiln, vertical cooler, multi-channel burner, dust collection (cyclone + bag filter), conveying system, PLC controls.
Delivery Timeline
| Stage | Status |
|---|---|
| Process design | Done |
| Limestone testing | Done |
| Manufacturing | Done |
| Factory testing | Done |
| Shipment to Shaanxi | Done |
| On-site installation | Done |
| Commissioning | Done |
| Handover | Done |
Commissioning Results
| Metric | Result |
|---|---|
| Capacity | 800 TPD achieved |
| Lime reactivity | Meets steelmaking spec |
| Residual CO₂ | Within specification |
| Calcination temp | Stable across shifts |
| Fuel consumption | Within expected range |
| Dust emissions | Within regulatory limits |
| Operational stability | Continuous operation achieved |
What the Customer Said
"The line runs steady. Capacity meets our contracts, lime quality is consistent—reactivity is where it needs to be. The engineering team was responsive. We're satisfied." — Production Manager, Shaanxi
What It Means for Them
800 TPD capacity—meets contract volumes
Consistent lime reactivity—stable downstream performance
Lower fuel consumption—reduced cost per ton
Emissions in compliance
Fewer unplanned stops
One supplier for the whole line
Long-Term Partnership
We don't stop at handover. We provide technical support, spare parts, maintenance guidance, and support for future expansion.
About Us
Henan Hongke Heavy Machinery Co., Ltd. has been making rotary kilns, rotary dryers, ball mills, and crushers since 2006. We do one-stop solutions—complete systems, not just machines.
Planning a Lime Line?
Tell us your limestone data, target capacity, and fuel availability. We'll propose a kiln configuration that fits.
Contact Henan Hongke Heavy Machinery Co., Ltd.
Henan Hongke Heavy Machinery Co., Ltd.
Rotary Kilns | Rotary Dryers | Ball Mills | Crushers – Built to Last, Backed to Stay

