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High Efficiency Slag Rotary Dryer
This high efficiency slag rotary dryer is a new generation of energy-saving and high-performance industrial drying equipment specially developed for the characteristics of high hardness, easy agglomeration and large specific heat capacity of various industrial slags such as blast furnace slag, steel slag and non-ferrous metal smelting slag. It covers models with hourly processing capacity from 5TPH to 80TPH, and can stably reduce the moisture of raw wet slag with 20%-35% initial water content to below 3%, with the system thermal efficiency as high as over 82%, far exceeding the performance level of traditional ordinary slag dryers.
Core High-Efficiency Design Highlights
The equipment adopts a patented three-zone gradient heat exchange structure. The wet slag first enters the anti-sticking pre-dispersion zone, where the high-speed hot air instantly breaks up the slag clumps and evaporates most of the surface moisture, eliminating the viscosity of the slag in advance to avoid adhesion to the drum wall. Then the material is fully lifted and scattered by the layered cascading high-wear-resistance lifting plates in the main high-efficiency heat exchange zone, forming a uniform full-section material curtain that fully contacts with the hot air, making the heat exchange efficiency 2.6 times higher than that of traditional single-cylinder dryers. Finally, the material enters the constant-temperature stabilization zone, where the internal bound moisture is fully evaporated under precise temperature control to ensure the uniform and stable quality of the finished dried slag. The built-in flue gas waste heat recovery system recycles more than 78% of the residual heat from the exhaust gas to preheat the incoming cold air, further reducing the comprehensive energy consumption by more than 45%.
Standout Practical Advantages
✅ Ultra-high energy-saving performance: Compared with ordinary slag dryers, the unit energy consumption is reduced by more than 45%, and the operating cost can be saved by hundreds of thousands to millions of RMB every year according to different processing capacities.
✅ Extremely low failure rate: All parts in contact with materials are made of thickened high-chromium wear-resistant alloy, with a design service life of more than 18 years, and the annual failure rate is controlled below 0.6%.
✅ High flexibility for multi-scenario adaptation: It supports a variety of heat source options such as industrial waste heat, natural gas, biomass and coal, and can be customized according to your on-site slag characteristics and working conditions.
✅ Short investment recovery cycle: The optimized design greatly reduces the comprehensive operating cost, and the full investment can be recovered within 9-11 months under normal operating conditions.
This high efficiency slag rotary dryer has been verified by more than 120 stable industrial operation cases, with extremely reliable performance. We provide full one-stop services including free on-site survey, customized solution design, installation and commissioning, and 18-month full warranty. Contact our team immediately to get your exclusive detailed quotation and free project profit analysis report.
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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