The lime rotary kiln is professional calcining equipment designed for producing quicklime and hydrated lime from limestone. It is widely used in construction, metallurgy, chemical, environmental protection and industrial lime production fields.
Most lime plant owners are troubled by high fuel consumption, unstable lime activity, low output, frequent equipment shutdowns and inadequate overseas technical support. Hongke lime rotary kiln optimizes heat source system and structural design, completely solving the common pain points of traditional lime kilns, helping users achieve high-yield, energy-saving and stable lime production.

Working Principle
Crushed limestone materials are evenly sent into the rotary kiln. Relying on the inclined installation and slow rotation of the kiln body, materials move forward steadily. Combined with counter-current heat exchange from the professional heat source system, limestone completes preheating, high-temperature calcination and cooling in sequence. Finally, high-activity qualified quicklime is discharged continuously. The whole production process is automated, controllable and suitable for long-term batch production.

Core Performance Advantages (Solve Procurement Pain Points)
✅ Low Energy Consumption, Save Production Cost
Equipped with optimized heat source system and multi-layer heat preservation structure, the equipment reduces heat loss effectively. Compared with traditional lime kilns, it saves 15%-20% fuel and power consumption, greatly lowering customers’ long-term operating costs.
✅ Stable Calcination & High Lime Activity
Precise temperature and rotating speed control avoid under-burning and over-burning of materials. The produced lime features uniform quality and high activity, effectively improving product market competitiveness and solving the problem of unqualified finished products.
✅ Continuous Stable Output, Low Failure Rate
Reinforced kiln body and optimized transmission and support structure adapt to 24-hour continuous operation. It effectively reduces vibration, deviation and mechanical failures, avoiding production stagnation and economic losses caused by frequent shutdown maintenance.
✅ Environmentally Friendly & Low Dust Pollution
Adopts upgraded sealing and dust removal matching design, with no heat overflow and little dust emission. It fully meets international environmental protection standards, helping customers pass factory inspections smoothly.
✅ No Worry Selection & Complete After-sales Service
Aiming at customers’ difficulty in model selection and lack of overseas technical support, we provide free capacity matching, production line design, on-site installation guidance and lifelong after-sales service, supporting one-stop production landing.
Application Scope
This lime rotary kiln mainly processes limestone to produce high-quality quicklime and hydrated lime. It also supports calcination of dolomite and other carbonate minerals. Widely applied in building materials, metallurgy, chemical industry, environmental protection desulfurization and industrial mineral processing projects.
Inquiry & Custom Solution
If you are faced with low output, high energy consumption and unstable product quality in lime production, Hongke provides free technical solution customization and factory direct price quotation according to your raw material conditions and production capacity needs.
Technical Data
| Product specifications(m) | Kiln dimensions | Capacity(t/d) | Rotation speed(r/min) | Motor power(kw) | Total weight(t) | Note |
| Diameter(m) | Length(m) | Obliquity(%) |
| Φ2.5×40 | 2.5 | 40 | 3.5 | 180 | 0.44-2.44 | 55 | 149.61 | Kiln with shaft cyclone preheater |
| Φ2.5×50 | 2.5 | 50 | 3 | 200 | 0.62-1.86 | 55 | 187.37 | ---- |
| Φ2.5×54 | 2.5 | 54 | 3.5 | 204 | 0.48-1.45 | 55 | 196.29 | ---- |
| Φ2.7×42 | 2.7 | 42 | 3.5 | 320 | 0.10-1.52 | 55 | 198.5 | ---- |
| Φ2.8×44 | 2.8 | 44 | 3.5 | 400 | 0.437-2.18 | 55 | 201.58 | Outside disassemble kiln |
| Φ3.0×45 | 3 | 45 | 3.5 | 500 | 0.5-2.47 | 75 | 210.94 | ---- |
| Φ3.0×48 | 3 | 48 | 3.5 | 700 | 0.6-3.48 | 100 | 237 | Outside disassemble kiln |
| Φ3.0×60 | 3 | 60 | 3.5 | 300 | 0.3-2 | 100 | 310 | Alumyte-alumina forge kiln |
| Φ3.2×50 | 3.2 | 50 | 4 | 1000 | 0.6-3 | 125 | 278 | Outside disassemble kiln |
| Φ3.3×52 | 3.3 | 52 | 3.5 | 1300 | 0.266-2.66 | 125 | 283 | Kiln with preheater precalcine |
| Φ3.5×54 | 3.5 | 54 | 3.5 | 1500 | 0.55-3.4 | 220 | 363 | Kiln with preheater precalcine |
| Φ3.6×70 | 3.6 | 70 | 3.5 | 1800 | 0.25-1.25 | 125 | 419 | Generating kiln for using ofterheat |
| Φ4.0×56 | 4 | 56 | 4 | 2300 | 0.41-4.07 | 315 | 456 | Kiln with preheater precalcine |
| Φ4.0×60 | 4 | 60 | 3.5 | 2500 | 0.396-3.96 | 315 | 510 | Kiln with preheater precalcine |
| Φ4.2×60 | 4.2 | 60 | 4 | 2750 | 0.4-3.98 | 375 | 633 | Kiln with preheater precalcine |
| Φ4.3×60 | 4.3 | 60 | 3.5 | 3200 | 0.396-3.96 | 375 | 583 | Kiln with preheater precalcine |
| Φ4.5×66 | 4.5 | 66 | 3.5 | 4000 | 0.41-4.1 | 560 | 710.4 | Kiln with preheater precalcine |
| Φ4.7×74 | 4.7 | 74 | 4 | 4500 | 0.35-4 | 630 | 849 | Kiln with preheater precalcine |
| Φ4.8×74 | 4.8 | 74 | 4 | 5000 | 0.396-3.96 | 630 | 899 | Kiln with preheater precalcine |
| Φ5.0×74 | 5 | 74 | 4 | 6000 | 0.35-4 | 710 | 944 | Kiln with preheater precalcine |
| Φ5.6×87 | 5.6 | 87 | 4 | 8000 | Max4.23 | 800 | 1265 | Kiln with preheater precalcine |
| Φ6.0×95 | 6 | 95 | 4 | 10000 | Max5 | 950×2 | 1659 | Kiln with preheater precalcine |