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Hay/Alfalfa Rotary Dryer 0
Hay/Alfalfa Rotary Dryer 1
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Hay/Alfalfa Rotary Dryer

Hay/Alfalfa rotary dryer has large output, high efficiency and energy saving, and covers a small area. It is especially suitable for drying grass and other high moisture materials when used together with clean hot blast stove. It can quickly dry the moisture of grass from 65-75% to 14-18% in one go. Compared with the ordinary dryer energy saving up to 30-50%, can save energy and drying costs.Grass rotary dryer is suitable for elephant grass, alfalfa grass, Timothy grass, leaf grass, leaf structure, straw, pitcher grass and other grass fast drying processing grass feed, according to the characteristics of each material, yield size, quality requirements, application requirements, cost control, automatic degree, site conditions, investment line to optimize the drying technology and equipment selection and configuration services.
Capacity
Power
Input moisture
Output moisture
Applicable Material Product Features Working Principle Technical Parameter Why Choose Us Hot Products

Applicable Material

Email: hnkolev@klfzb.com

In hay and forage production, drying is a critical step that determines final quality and market value. Whether it's alfalfa, orchard grass, ryegrass, or other legume and grass forages, improper or untimely drying can lead to leaf shatter, nutrient loss, mold, and spoilage, resulting in significant economic losses. Traditional sun-curing methods are heavily dependent on weather conditions, offering low efficiency and failing to guarantee consistent color, aroma, and protein content.

Our Pasture/Forage/Hay Rotary Dryer is specifically designed to solve this industry pain point. Utilizing rotary drum drying technology combined with a low-temperature, high-air-volume drying process, it rapidly reduces the moisture content of fresh forage (alfalfa/hay) from 65%-80% down to a safe storage level of 12%-15% in just minutes. This gentle yet highly efficient drying method maximizes the retention of core nutrients such as chlorophyll, crude protein, and digestible fiber while eliminating mold and insect eggs, resulting in hay that is vibrant green, aromatic, and of superior quality. Whether you are a large-scale hay grower or a professional forage processing plant.

The Forage Drying Equipment is widely used for drying various types of forage and straw materials. The dried products can be used in the following applications:

ApplicationTypical MaterialsValue of Drying
High-Value HayAlfalfa Hay, Oat Hay, Timothy HayRapid dewatering, lock in leaves and nutrients, achieve export-grade quality
Grass ForageRyegrass, Sudan Grass, Elephant GrassShorten drying cycles, ensure palatability, prevent mold
Legume ForageClover, SainfoinRetain high protein content, reduce leaf loss
Straw FeedCorn Stover, Wheat StrawImprove digestibility, facilitate storage and transport
Pet BeddingDried forage finesHigh absorbency, used as bedding or hay cubes for rabbits, hamsters, etc.

Benefits After Drying:

  • Vibrant Green Color: Preserves chlorophyll, improving palatability and market acceptance

  • Stable Nutrition: Crude protein loss below 5%, superior to sun-curing

  • Safe Storage: Controlled moisture eliminates mold and aflatoxin risks

  • Easy Transport: Over 50% weight reduction, significantly lowering logistics costs

  • Year-Round Supply: Unaffected by seasons or weather, ensuring stable supply

material
1
Low-Temperature, High-Air-Volume, Locks in NutrientsUtilizing a 160°C-280°C low-temperature drying process, unlike traditional high-temperature dryers, prevents forage scorching, leaf brittleness, and protein denaturation. Preserves the natural color and aroma of the hay, maximizing retention of core nutrients such as chlorophyll, crude protein, and vitamins, enabling the dried forage to meet or exceed export-grade quality standards.
2
Efficient Dewatering, Significant Weight ReductionRapidly reduces forage moisture from 65%-80% to 12%-15%, achieving over 50% weight reduction. Drying time is only 20-40 minutes, compared to 3-7 days for sun-curing—a hundredfold increase in efficiency, completely eliminating weather dependency.
3
Anti-Tangling Design, Tackles Long FibersHay fibers are long, thin, and prone to tangling—causing frequent blockages in traditional equipment. We equip a patented anti-tangling feeding device and specially designed lifting plate structure to ensure smooth forage flow through the cylinder, eliminating tangling and blockages for continuous, stable operation.
4
Flexible Heat Sources, Lowers Operating CostsHeat source options include biomass hot air furnaces (utilizing agricultural waste such as straw and wood chips), natural gas combustion chambers, oil burners, or pulverized coal hot air furnaces. We recommend the optimal solution based on local resource availability and environmental requirements to help you achieve the lowest energy costs.
5
Environmentally Compliant, Clean ProductionThe entire system operates under negative pressure with sealed design, preventing dust leakage. Paired with a high-efficiency pulse baghouse filter, dust emission concentrations are below 20mg/Nm³, meeting increasingly stringent global environmental regulations.
6
Automated Control, Easy OperationStandard PLC fully automatic control system monitors key parameters such as inlet temperature, outlet temperature, cylinder speed, and material moisture in real time. Enables one-touch start/stop, reducing manual operation errors and ensuring product quality consistency.

Working Principle

Email: hnkolev@klfzb.com

  • This Alfalfa Rotary Dryer utilizes a co-current rotary drying process, specially optimized for the long-fiber, high-moisture, and temperature-sensitive characteristics of forage.

    1. Uniform Feeding & Breaking: Freshly cut forage (65%-80% moisture) is fed into the dryer cylinder via an apron or belt conveyor. To address the tangling nature of forage, the feed inlet is equipped with a high-efficiency breaking and feeding device, ensuring uniform material dispersion into the cylinder and preventing blockages.

    2. Low-Temperature, High-Air-Volume Heat Exchange: A hot air furnace generates low-temperature hot air (160°C-280°C), which fully contacts the forage inside the cylinder. The cylinder rotates at a set speed, and the internal combined lifting plate system continuously lifts, drops, and disperses the forage, forming a uniform "material curtain" that maximizes contact area between the hot air and material. This high-air-volume, low-temperature design rapidly evaporates moisture while preventing the forage from scorching, leaf brittleness, or nutrient degradation caused by excessive temperatures.

    3. Co-Current Drying Process: Hot air and forage flow in the same direction. The high-temperature air first contacts the high-moisture forage, rapidly evaporating surface moisture, then gradually cools, creating a gentle drying curve that protects the internal quality of the forage.

    4. Gas-Solid Separation: The dried forage (12%-15% moisture) is discharged via a cyclone or gravity discharge device. The dust-laden, humid exhaust gas enters a high-efficiency pulse baghouse filter for purification before being safely discharged. Fine forage particles are recovered and can be remixed into the final product or used for other purposes.

Working Principle

Technical Parameter

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product standard(m) Capacity(t/h) Feed moisture(%) Final Moisture(%) Power(KW)
0.8*8 0.5-3 60% 12% 3KW
1*10 1-5 60% 12% 5.5KW
1.2*12 2-8 60% 12% 11KW
1.6*16 6-10 60% 12% 15KW
1.8*16 8-15 60% 12% 18.5KW
2*18 10-20 60% 12% 22KW
2.2*18 12-25 60% 12% 30KW
2.4*22 15-30 60% 12% 45KW
2.6*24 18-35 60% 12% 55KW
  • Designed for the Hay Industry: We deeply understand the core requirements of forage drying—preserving nutrients, maintaining color, and preventing mold. From low-temperature processes to anti-tangling designs, every aspect is optimized for forage characteristics, ensuring dried hay meets or exceeds export-grade quality standards.

  • Increase Hay Grade & Market Value: Dried hay boasts a vibrant green color, aromatic scent, and stable nutrition, allowing entry into high-value export markets or premium livestock operations. Compared to sun-cured products, market prices can increase by 30%-50%.

  • Eliminate Weather Dependency: Whether during rainy seasons or winter, the equipment operates continuously 24/7, enabling industrial-scale forage production and ensuring stable year-round supply.

  • Reduce Storage & Transportation Costs: Over 50% moisture reduction means double the dry matter content per unit weight, significantly reducing storage space and logistics costs.

  • Global Service Network: With over 20 years of experience serving agricultural customers worldwide, our products have been exported to over 50 countries and regions, including the US, Canada, Australia, Japan, the Middle East, and Europe. We dispatch engineers for overseas installation and commissioning, providing bilingual technical support.

  • EPC Turnkey Capability: From material testing, process design, and equipment manufacturing to installation, commissioning, and personnel training, we provide complete turnkey engineering services for your convenience.


    Get Your Customized Solution:

    • Request a Quote → Tell us your capacity, heat source availability, and site conditions, and we will respond within 24 hours

    • Schedule a Technical Discussion → Speak one-on-one with our forage drying engineer

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+86 166-3801-7614

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hnkolev@klfzb.com

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