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High Capacity Limestone Dryer Plant
This high capacity limestone dryer plant is a large-scale industrial turnkey solution tailored for massive limestone processing scenarios, covering hourly processing capacities from 30TPH to 100TPH. It is widely deployed in large mining bases, cement production clusters, thermal power plant desulfurizer processing centers and building material industrial parks, dedicated to efficiently drying raw limestone with 15%-25% initial moisture, outputting finished products with final moisture stably controlled below 1%, fully meeting the strict requirements of subsequent calcination, fine grinding and high-grade raw material production.
Core High-Efficiency Working Principle
The plant adopts a heavy-duty multi-cylinder nested insulation structure, which greatly reduces the heat loss of the drum body itself. The internal gradient material guiding and lifting system is optimized for the high hardness and large specific heat capacity of limestone, making the material form a uniform full-section material curtain that fully contacts with hot air, and the overall heat exchange efficiency is 2.3 times higher than that of traditional single-cylinder dryers. The supporting multi-stage flue gas waste heat recovery system recycles more than 76% of the residual heat from the exhaust gas to preheat the incoming cold air, further boosting the system thermal efficiency to over 80%. The heavy-duty wear-resistant structure can withstand the long-term impact and abrasion of high-hardness limestone, supporting 330+ days of 24-hour continuous full-load operation throughout the year. The full-sealed dust removal system achieves a dust collection rate of 99.9%, no material loss and fully compliant emission.
Standout Core Advantages
✅ Massive stable production capacity: The 100TPH large model can achieve a daily processing capacity of over 2000 tons, perfectly matching the production rhythm of large limestone processing lines, and will not cause production bottlenecks due to insufficient drying capacity.
✅ Ultra-low comprehensive operating cost: The optimized energy-saving design reduces the unit energy consumption by more than 45% compared with traditional large drying lines. For a 50TPH plant, it can save more than 1.3 million RMB on energy and labor costs every year, and the investment recovery cycle can be controlled within 12 months.
✅ Extremely high durability and low failure rate: The drum and material contact parts are made of thickened high-manganese wear-resistant steel, with a design service life of over 18 years. The heavy-duty transmission system runs stably under long-term full load, and the annual failure rate is lower than 0.7%.
✅ High adaptability for complex working conditions: It can handle various types of limestone with different particle sizes and moisture content, and the intelligent control system can automatically adjust parameters such as hot air temperature and drum rotating speed according to the real-time feeding situation, ensuring the stable and uniform quality of the finished dried limestone.
This high capacity limestone dryer plant has been verified by more than 70 large-scale industrial operation cases, with extremely reliable performance. We provide full one-stop turnkey services including free on-site survey, overall layout planning, equipment manufacturing, installation and commissioning, and lifelong after-sales operation guidance. Now contact our professional team immediately, you can get a free customized plant design scheme, detailed investment benefit analysis and exclusive quotation.
Technical Specifications
| Product Specs (m) | Capacity (T/H) | Main Motor Power (kW) | Main Motor Model | Main Gearbox Model | Ratio |
| φ1.2×10m | 2.5 | 7.5 | Y160M-R3 | ZL50-16-1 | - |
| φ1.5×12m | 3.3 - 4.9 | 10 | Y160L-6B3 | JZQ500-III-2F | - |
| φ1.5×15m | 4 - 6 | 18.5 | Y200L-6 | JZQ500-III-2F | - |
| φ1.8×12m | 4 - 6 | 11 | Y200L-6 | ZQ50-16II-2 | 16.46 |
| φ2.2×12m | 7 - 12 | 18.5 | Y160L-6 | JZQ650-III | 31.5 |
| φ2.2×14m | 7 - 12 | 18.5 | Y160L-6 | JZQ750-III | 31.5 |
| φ2.2×16m | 12 | 30 | Y225M-6 | JZQ750-III | 31.5 |
| φ2.4×14m | 12 | 30 | Y250M-6 | JZQ750-III | 31.5 |
| φ2.4×18m | 10 - 13 | 37 | Y250M-6 | ZL85-13-1 | 27.16 |
| φ2.4×20m | 10 - 14 | 37 | Y250M-6 | ZL85-13-1 | 27.16 |
| φ3×20m | 25 | 55 | Y250M-4 | ZL100-16-1 | 41.52 |
| φ3×25m | 32 - 36 | 75 | YR280M-4 | ZL100-16-1 | 41.52 |
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