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Help CenterCoal Dryer for Improving Coal Calorific Value
Product Spotlights
2.Low damage to root systems
3.Adjustable screen aperture
4.Large continuous processing capacity
5.Anti-clogging rotary design
6.Durable wear-resistant steel
7.Easy to clean and maintain
8.Stable low-noise operation
9.Compact space-saving structure
10.Wide adaptability for various soils
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1. Product Description
This professional coal dryer is specially designed for coal calorific value improvement and fuel quality optimization projects, focusing on solving low heat efficiency, insufficient combustion performance and poor economic returns caused by excessive and uneven moisture in raw coal, washed coal and industrial fuel coal. Moisture content is the decisive factor affecting coal calorific performance; redundant surface and internal moisture dilutes effective heat components, reduces energy density, causes incomplete boiler combustion, and results in low-grade fuel output and poor market competitiveness. This equipment takes precise coal dehydration and calorific value upgrading as the core advantage, specially used for fixed-value moisture removal and fuel performance optimization for various high-moisture industrial coal materials. It can be perfectly matched with conventional coal crushing, screening and fuel processing production lines, supporting adjustable and standardized drying treatment according to different coal types and calorific value improvement standards. With industrial-grade stable and energy-saving configuration, it effectively removes free water and residual moisture inside coal materials, concentrates fixed carbon and combustible components, stably improves coal calorific value and combustion efficiency, and provides reliable core equipment support for high-quality, high-efficiency and profit-improving coal processing production.
2. Working Principle
The coal dryer dedicated to improving coal calorific value adopts intelligent hot air circulation drying and precise gradient dehydration principle, realizing quantitative and adjustable moisture control for high-moisture fuel coal. The pre-treated wet coal materials are stably and quantitatively sent into the rotary drying drum through a sealed feeding system. The internal optimized multi-stage lifting and scattering structure continuously flips, disperses and suspends coal particles to form a uniform fluffy material curtain, maximizing the contact area between coal materials and circulating hot air. Through accurate linkage adjustment of hot air temperature, drum rotating speed and feeding volume, the equipment evenly removes redundant moisture without damaging coal’s internal combustible components, achieving stable and standardized dehydration effect. The water vapor and fine coal dust generated during drying are efficiently purified and discharged by the matched dust removal and exhaust system to meet environmental protection standards. Finally, dry coal with stable moisture, high calorific value and excellent combustion performance is stably discharged, achieving one-stop fuel quality optimization and calorific value promotion for coal processing enterprises.
3. Core Features
Precise Dehydration for Calorific Value Upgrade: Centrally optimized for coal fuel quality improvement requirements, the equipment supports flexible adjustment of drying indicators according to raw coal moisture and different industrial fuel standards. It effectively solves the problems of low calorific value and unstable combustion caused by excessive moisture, realizing standardized and efficient coal quality upgrading.
Optimize Combustion Performance & Economic Benefits: Uniform and accurate dehydration treatment eliminates common fuel defects such as insufficient combustion, large heat loss and unstable flame. It significantly improves coal combustion efficiency and effective heat utilization rate, reduces unit coal consumption for industrial production, upgrades finished coal grade, and greatly enhances market competitiveness and economic benefits of coal products.
Anti-Blocking & Uniform Stable Drying: Adopting anti-adhesion lifting plates and uniform hot air circulating distribution structure, it effectively prevents wet coal materials from bonding, agglomerating and blocking during operation. The balanced gradient drying mode avoids local over-drying or under-drying, ensuring consistent moisture content and stable calorific value of each batch of finished coal.
Intelligent Adjustable & Energy-Saving Operation: Equipped with flexible adjustable operating parameters, it adapts to different coal types and variable raw material moisture conditions. The high-efficiency hot air circulation system improves thermal utilization rate, reduces invalid heat loss, and realizes energy-saving, low-consumption and high-precision coal calorific value improvement production.
Low Maintenance & High Operational Stability: The equipment features sturdy, wear-resistant and high-temperature resistant industrial structure with low failure rate and long service life. It supports 24-hour continuous automatic drying and quality upgrading, reduces manual intervention and secondary material reprocessing, effectively lowers production and maintenance costs, and improves the overall operational efficiency of coal processing production lines.
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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