Cow dung dryer
The Best Choices for Your Project
We specialize in producing cow dung dryers for our customers
- Provide you with cow dung drying solutions
- Solution：Provide solutions for your problems
- Dryer length: 8 meters to 36 meters.
Cow dung dryer
Cow dung is the waste product of cattle, and untreated cow dung typically has a high moisture content of around 70%. With such high water content, cow dung is difficult to store and unsuitable for organic fertilizer production. By using a cow dung dryer, it is not only easier to transport and store, but it can also effectively kill bacteria and parasites, enhancing the effectiveness of its use as fertilizer.
After drying, cow dung can be mixed with sawdust, straw, or fermented to become raw material for organic fertilizer. Cow dung is rich in nitrogen (N), phosphorus (P), and potassium (K), making it one of the best raw materials for producing organic fertilizers.
Cow dung drying helps in environmental protection. High-moisture cow dung not only has high water content but also tends to emit unpleasant odors, attracting flies and mosquitoes. After drying, it can kill harmful bacteria and parasite eggs inside the cow dung, and it can be packaged directly using a packing machine.
Dried cow dung can be used as fuel. Cow dung has relatively high heat energy, and after drying, it can be combined with other fuels and processed into pellets using a pellet machine, making it a viable burning material.
After drying, cow dung reduces in volume to about one-third of its original size, which lowers transportation and storage costs.
| Model | Φ2.0×6m | Φ2.5×6.5m | Φ3.0×7m | Φ3.2×7m |
|---|---|---|---|---|
| Outer Drum Inner Diameter (m) | 2.0 | 2.5 | 3.0 | 3.2 |
| Outer Drum Length (m) | 6 | 6.5 | 7 | 7 |
| Drum Volume (m³) | 18.84 | 31.89 | 50.26 | 56.30 |
| Drum Speed (rpm) | 4-6.5 | 4-6.5 | 4-6.5 | 4-6.5 |
| Slag Initial Moisture (%) | 20 | |||
| Slag Final Moisture (%) | 1-3 | |||
| Fly Ash Initial Moisture (%) | 20 | |||
| Fly Ash Final Moisture (%) | 1-3 | |||
| Inlet Temperature (°C) | 700-750 | 700-750 | 700-750 | 700-750 |
| Production Capacity (t/h) | Fly Ash: 10-15 | Fly Ash: 15-20 | Fly Ash: 25-35 | Fly Ash: 35-45 |
| Slag: 22-25 | Slag: 30-35 | Slag: 40-50 | Slag: 55-65 | |
| Coal Consumption (kg/h) | 17-24 | 17-20 | 17-20 | 17-20 |
| Motor Model | Y2-160m-4E | Y2-132m-4E | Y2-132m-4E | Y2-160m-4 |
| Motor Power (kW) | 5.5×2 | 7.5×2 | 7.5×4 | 11×4 |
| Reducer Model | XWD-5.5KW-8 | XWD-5.5KW-5 | XWD-7.5KW-8 | XWD-7.5KW-8 |
| Reducer Gear Ratio | 29 | 29 | 29 | 29 |
Can a Cow Dung Dryer Dry Cow Dung?
Our cow dung dryer is specifically designed for our clients, using heat energy exchange principles. It can dry various animal manures, such as cow dung, sheep dung, chicken dung, pig dung, and others. It is also capable of drying by-products like beer slop, soy sauce slop, fruit pomace, industrial food waste (e.g., residues from food processing), sludge, and kitchen waste.
Working Principle of the Cow Dung Dryer
Cow dung typically has high moisture content. Before drying, it is recommended to use a cow dung press machine to dewater the material, reducing the moisture content from around 70% to approximately 50%.
The cow dung dryer works by utilizing heat and airflow principles to evaporate the water content from the cow dung. The primary components of the cow dung dryer include a hot air furnace, drying drum, feeding machine, discharging machine, and an environmental dust collector.
Heating the Air:
The cow dung dryer uses a combustion device (such as coal, electricity, biomass fuel, or natural gas) to generate hot air. The hot air is then directed into the drying machine, where it contacts the wet cow dung and transfers heat to evaporate the moisture.
Feeding Wet Cow Dung:
Wet cow dung is first transported to the entrance of the drying drum. The drum is usually tilted to ensure that the wet cow dung is evenly distributed inside, and as the drum rotates, the cow dung continues to tumble. Baffles inside the drum help stir the dung, improving the drying efficiency.
Cow Dung and Hot Air Contact:
Inside the drum, the wet cow dung comes into contact with hot air, and the moisture begins to evaporate. As the drum rotates, the cow dung is continually tumbled, ensuring that every part of it has full contact with the hot air, which speeds up the evaporation of moisture.
Evaporation and Discharge of Moisture:
The hot air absorbs moisture from the cow dung and is expelled via the drying machine’s exhaust system. The dust collector collects any particles. Over time, as the drying continues, the moisture content of the cow dung gradually decreases, reaching the desired drying level.
Discharge:
Once the moisture content of the cow dung reaches the preset range, the cow dung dryer will automatically alert that the drying process is complete. The dried cow dung will be discharged through the outlet of the drying machine, with a moisture content typically between 5%-15%, making it suitable for fertilizer, compost, or other agricultural uses.
Advantages of the Cow Dung Dryer
High Automation:
The cow dung dryer is designed with high automation, where the entire drying process can be completed with minimal human intervention. The system monitors drying temperature, quantity, and moisture content in real-time.
Closed Design to Control Odor:
The cow dung dryer uses a closed design that ensures stable heat sources and prevents the odor from leaking, guaranteeing an odor-free working environment.
Rapid Drying Technology:
The dryer employs quick drying technology, which allows for faster drying of cow dung.
Simple Operation:
The cow dung dryer adopts a modular design, making installation and debugging easier. It also reduces maintenance costs.
How Does the Cow Dung Dryer Prevent Odor Leakage During Drying?
Cow dung naturally has a strong odor, and when heated, it releases additional unpleasant smells. These gases can pollute the environment and pose health risks. We use the following measures to ensure that there is no odor leakage during the drying process:
Closed Design:
The cow dung dryer features a sealed design, with the drum and drying system keeping the odorous gases confined to the machine, preventing them from escaping into the surrounding environment.
Exhaust and Gas Treatment System:
Our cow dung dryer is equipped with deodorizing devices. These include activated carbon filters that absorb and remove odors. Other treatment options include catalytic oxidation, biological filtration, and desulfurization devices.
Automated Control System:
The cow dung dryer’s intelligent automated control system monitors gas concentration, humidity, and temperature changes in real-time. The system adjusts the operational parameters to minimize odor emissions, further optimizing environmental protection measures.
Why Choose Us as Your Cow Dung Dryer Supplier?
Industry-Leading Technology:
We have self-developed equipment that ensures high drying efficiency and quality.
Customized Service for Clients:
Based on the client’s cow dung moisture content and the desired final moisture level, we provide tailored drying solutions.
Rich Experience:
We have extensive experience in cow dung drying and numerous successful cases, which enables us to offer valuable expertise and solutions for clients.
Low Cost:
We offer cost-effective services that help clients save on costs while increasing output and efficiency. We also provide comprehensive after-sales service, including timely maintenance and repairs to ensure the long-term use of equipment.