Paddle Stirring Drum Rotary Dryer
Anti-Caking Black-Hole-Free Rotary Dryer for High-Viscosity High-Moisture Organic Waste
Paddle Stirring Drum Rotary Dryer is an upgraded innovative rotary drying equipment specially developed for high-moisture, high-viscosity, easy-caking wet materials. It continuously breaks, stirs and scatters sticky materials, eliminates drying dead angles, greatly improves heat exchange efficiency, and stably dehydrates 50%-85% high-humidity manure, sludge and organic waste to commercial dry standards.
Anti-Dust
Anti-Fermentation
Anti-Stick
What is Paddle Stirring Drum Rotary Dryer?
Traditional rotary dryers rely only on simple lifting flights to flip materials, which cannot handle high-viscosity wet materials such as fresh livestock manure, poultry dung, industrial sludge and fermented organic waste. During operation, wet materials are prone to bonding into clusters, forming central “black hole” dead zones inside the drum. Hot air cannot fully contact the materials, resulting in serious caking, uneven drying, low output and extremely high energy consumption, which has always been a core bottleneck restricting viscous waste drying.
Our innovative Paddle Stirring Drum Rotary Dryer completely upgrades the internal structure of traditional dryers. By adding multi-group high-speed rotating stirring and crushing paddles inside the rotary drum, it realizes synchronous lifting, stirring, crushing and scattering of sticky materials. It thoroughly solves the common problems of wall sticking, agglomeration and black hole dead zones in traditional drying equipment. The forced dispersion effect maximizes the material hot air contact area, improves drying efficiency by more than 30%, and is the preferred special equipment for high-efficiency drying of various high-viscosity and high-moisture organic wastes.
Contents
Complete Equipment Composition of Paddle Stirring Drum Rotary Dryer
1. Paddle Stirring & Crushing Rotary Drum (Core Upgrade)
The core drum adopts a combined structure of traditional lifting flights + innovative high-speed stirring paddles. The specially designed curved anti-stick lifting plates lift materials evenly, while the built-in multi-angle stirring paddles continuously break bulk agglomerates and sticky clusters. The dual movement of drum rotation and paddle stirring completely eliminates internal drying black holes and dead angles, ensuring every material particle fully contacts hot air for uniform and thorough dehydration. The internal anti-stick coating effectively prevents high-viscosity material adhesion and wall hanging.
2. Viscous Material Adaptive Feeding System
Matched with special anti-blocking screw feeder for high-humidity sticky materials. The variable-frequency feeding mode automatically adjusts feeding volume according to material viscosity and moisture, avoiding feeding accumulation and blockage caused by excessive sticky materials. The uniform and stable feeding provides continuous and stable operating conditions for the paddle stirring and drying system, ensuring consistent drying effect.
3. Enhanced Gradient High-Efficiency Drying System
Aiming at the characteristics of slow water dissipation of high-viscosity materials, an optimized three-stage gradient drying process is adopted. The first stage paddle pre-scattering removes surface moisture and disperses sticky clusters; the second stage uniform stirring deepens dehydration to evaporate internal bound water; the third stage constant-temperature shaping removes residual moisture. The whole process avoids incomplete drying and local overheating of viscous materials, with more stable finished product quality.
4. Waste Heat Recovery & Dust Deodorization System
Equipped with a closed waste heat circulation recovery device, which recycles exhaust hot air for secondary heating, effectively reducing comprehensive energy consumption. The matched pulse dust removal and physical deodorization system collects fine material powder and decomposes peculiar odor generated by high-humidity organic waste. The fully sealed micro-negative pressure operation realizes zero dust and zero odor overflow, meeting global environmental protection emission standards.
5. Intelligent Viscous Material PLC Control System
Presets exclusive parameter models for high-viscosity manure, sludge and organic materials. The system intelligently adjusts paddle rotating speed, drum operation speed and hot air temperature in real time according to material viscosity and moisture. It has overload protection, anti-blocking alarm and fault self-diagnosis functions, supporting 24-hour unmanned continuous operation and long-term stable production.
Core Product Advantages of Paddle Stirring Drum Rotary Dryer
1. Built-In Paddle Stirring, Eliminate Black Hole Dead Zones
Different from ordinary dryers, the unique paddle stirring and crushing structure fundamentally solves the industry pain point of central black hole dead zones. The forced stirring and dispersion function breaks all sticky material clusters, realizes full hot air contact inside the drum, completely avoids uneven drying and material waste, and greatly improves overall drying efficiency.
2. Special for High-Viscosity & High-Moisture Materials
It perfectly adapts to various sticky and high-humidity materials that traditional dryers cannot process, including fresh chicken manure, duck manure, cow dung, pig manure, biological sludge, fermentation residue and high-viscosity organic waste. It effectively solves material wall sticking, caking and blockage problems, with strong material adaptability and wide application range.
3. 30% Higher Thermal Efficiency & Super Energy-Saving
The paddle forced dispersion structure maximizes the heat exchange area between materials and hot air, greatly improving water vaporization and heat transfer efficiency. Compared with traditional rotary dryers, the comprehensive drying efficiency is increased by more than 30%, and the unit material energy consumption is reduced significantly. Equipped with waste heat recovery system, the long-term operating cost is extremely low.
4. Anti-Caking & Stable Finished Product Quality
Continuous paddle stirring and flipping prevents material secondary agglomeration during drying. The gradient low-temperature uniform drying mode avoids local high temperature and nutrient loss. The finished materials are loose, uniform, odor-free and non-caking, with stable moisture and quality, fully meeting commercial organic fertilizer and resource recycling standards.
5. Fully Sealed Eco-Friendly Clean Production
The whole machine adopts fully enclosed micro-negative pressure design, which effectively prevents fine dust and odor overflow during the drying process of organic waste. The supporting tail gas purification system ensures up-to-standard emission, no secondary pollution, solves the environmental protection pressure of breeding and environmental protection enterprises, and realizes green and harmless production.
6. Full-Auto Continuous & Low Maintenance
Intelligent PLC automatic control realizes 24-hour unmanned continuous operation with simple operation and low labor cost. The optimized paddle structure is wear-resistant and durable, with few vulnerable parts and low failure rate. It avoids frequent shutdown cleaning and maintenance caused by material sticking and blockage, greatly improving production continuity.
Working Principle & Production Process Flow of Paddle Stirring Drum Rotary Dryer
Working Principle
The Paddle Stirring Drum Rotary Dryer adopts paddle forced crushing dispersion + gradient hot air circulation drying principle exclusive for high-viscosity materials. High-moisture sticky materials are evenly sent into the rotary drum through the anti-blocking feeding system. With the rotation of the drum and the high-speed operation of the internal stirring paddles, bulk sticky clusters are continuously crushed, stirred and scattered, completely eliminating the black hole dead zone inside the drum.
All material particles are fully suspended and flipped in the hot air flow, maximizing the heat exchange area. Through three-stage gradient low-temperature drying, surface moisture, internal bound water and residual moisture are removed in sequence. Synchronous deodorization and sterilization are completed during the drying process. Finally, loose, uniform and non-caking dry materials are discharged stably, realizing efficient and high-quality drying of various high-viscosity organic wastes.
Standard Production Flow
High-Viscosity Wet Material Feeding → Anti-Blocking Uniform Feeding → Paddle Forced Crushing & Dispersion → Black-Hole-Free Hot Air Heat Exchange → Gradient Uniform Dehydration → Waste Heat Recovery & Tail Gas Purification → Deodorization & Sterilization Shaping → Dry Material Discharging → Organic Fertilizer Recycling & Utilization
Application Scenarios of Paddle Stirring Drum Rotary Dryer
This Paddle Stirring Drum Rotary Dryer is specially designed for high-efficiency drying of high-viscosity and high-moisture organic wastes that are difficult to handle by traditional dryers. It is widely used in large-scale livestock and poultry breeding farms, organic fertilizer factories, sludge treatment plants, agricultural circular economy projects and environmental protection waste treatment projects. It perfectly solves the problems of difficult drying, serious caking and high energy consumption of fresh manure and sticky organic waste, and is a core supporting equipment for high-quality organic fertilizer production and waste harmless recycling.
Core Application Fields: Sticky poultry & livestock manure drying, organic sludge treatment, fermentation residue processing, high-viscosity organic waste recycling, commercial organic fertilizer production, agricultural environmental protection projects
Real Project Cases of Paddle Stirring Drum Rotary Dryer
Case 1: 12T/H High-Viscosity Pig Manure Drying Project | Indonesia Breeding Base
Project Info: The customer’s traditional dryer could not process sticky pig manure, with serious caking and low output. Our paddle stirring dryer completely solves material agglomeration and black hole problems. The drying efficiency is increased by 35%, the finished material is loose and uniform, and the product quality fully meets local organic fertilizer standards, bringing huge profit growth to the project.
Case 2: 8T/H Organic Sludge Recycling Project | Malaysia Environmental Protection Factory
Project Info: The customer needs to dry high-viscosity biochemical sludge with 82% moisture. Ordinary dryers have incomplete drying and serious material waste. Our paddle forced dispersion structure realizes full contact between sludge and hot air, with stable dehydration effect and zero material caking. The energy-saving design greatly reduces long-term operating costs.
Case 3: 15T/H Multi-Material Organic Waste Drying Project | Thailand Circular Agriculture Park
Project Info: The project needs to process mixed high-viscosity manure and fermentation residue. Our adaptive paddle stirring dryer flexibly adapts to different viscous materials, with no drying dead zones and stable output. The fully sealed environmental protection design meets local strict emission standards, realizing efficient and green waste recycling production.
Technical Parameters of Paddle Stirring Drum Rotary Dryer
| Spec | Inner diameter of cylinder (mm) | Tube length (mm) | Slope(°) | Speed (r/min) | Motor Power (Kw) | Capacity (t/h) | Inlet temperature (℃) | Weight(t) |
| Ф1.0X10m | 1000 | 10000 | 2.5 | 3.4 | 4 | 0.6~1.8 | ≤700℃ | 5.6 |
| Ф1.2X12m | 1200 | 12000 | 2.5 | 3.4 | 11 | 0.8~2.5 | 15 | |
| Ф1.5X14m | 1500 | 14000 | 2.5 | 3.4 | 15 | 1.8～4 | 19.6 | |
| Ф1.8X15m | 1800 | 15000 | 2.5 | 4.04 | 18.5 | 2.8～6.5 | 25 | |
| Ф1.8X20m | 1800 | 20000 | 2.5 | 3.1 | 22 | 5～8 | 32.2 | |
| Ф2.0X18m | 2000 | 18000 | 2.5 | 3.16 | 30 | 6～10 | 38.8 | |
| Ф2.2X20m | 2200 | 20000 | 2.5 | 3.68 | 37 | 6.5～11 | 47 | |
| Ф2.2X22m | 2200 | 22000 | 2.2 | 2.9 | 37 | 7～12 | 50 | |
| Ф2.4X22m | 2400 | 22000 | 2.5 | 3.27 | 45 | 7.5～14 | 62 | |
| Ф2.6X24m | 2600 | 24000 | 2.5 | 3.2 | 55 | 8～17 | 72.5 | |
| Ф2.8X22m | 2800 | 22000 | 2.5 | 3.4 | 132 | 28～32 | 94 | |
| Ф3.0X28m | 3000 | 28000 | 2.5 | 3.2 | 75 | 32～36 | 105 | |
| Ф3.2X30m | 3200 | 30000 | 3-5 | 3.2 | 90 | 43～50 | 700-800℃ | 118 |
| Ф3.6X32m | 3600 | 32000 | 3-5 | 3.0 | 160 | 60～76 | 143 | |
| Ф4.0X36m | 4000 | 36000 | 3-5 | 3.0 | 200 | 82～90 | 189 | |
| Ф4.6X42m | 4600 | 42000 | 3-5 | 3.0 | 280 | 100～110 | 290 |
Note: Production capacity will vary with product composition and water content.
Get Custom Organic Fertilizer Drying Solution
Our Paddle Stirring Drum Rotary Dryer breaks through the technical bottleneck of traditional dryers, perfectly solving the drying difficulties of high-viscosity and high-moisture organic wastes such as sticky manure and sludge. With core advantages of paddle forced dispersion, black hole dead zone elimination, high thermal efficiency, anti-caking and energy-saving environmental protection, it provides one-stop high-efficiency drying and resource recycling solutions for global breeding farms and environmental protection enterprises, helping customers reduce operating costs and maximize waste utilization benefits.
Contact us now to get free model selection, customized process design and accurate project quotation!
FAQs of Paddle Stirring Drum Rotary Dryer
Q1: What is the biggest difference from traditional rotary dryers?
A: Traditional dryers only rely on lifting plates, prone to black hole dead zones and sticky material caking. Our paddle stirring dryer adds built-in crushing paddles to forcibly disperse clusters, eliminate dead zones, improve drying efficiency by over 30%, and is specially customized for high-viscosity wet materials.
Q2: Can it handle extremely sticky high-moisture manure and sludge?
A: Yes. It is professionally designed for 50%-85% high-moisture and high-viscosity materials. The high-speed paddle stirring and crushing function can effectively break all sticky clusters, solve wall sticking and caking problems, and achieve uniform and thorough drying.
Q3: What is the drying efficiency and energy-saving advantage?
A: The forced dispersion structure maximizes heat exchange efficiency, with 30% higher output than ordinary dryers under the same power. Equipped with waste heat recovery system, the comprehensive energy consumption is greatly reduced, with outstanding energy-saving effect and lower long-term operation cost.
Q4: Will the paddle stirring cause material damage or nutrient loss?
A: No. The paddle adopts adaptive soft stirring and crushing design, which only breaks bulk agglomerations without damaging organic material particles. Combined with low-temperature gradient drying, it locks organic nutrients without loss, ensuring high fertilizer efficiency of finished products.
Q5: Does the equipment have dust and odor pollution?
A: No. The whole machine adopts fully sealed micro-negative pressure operation, matched with professional dust removal and deodorization system. Zero dust and odor overflow during operation, fully complying with international environmental protection standards for green production.
