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sheep manure organic fertilizer production line

Sheep manure organic fertilizer production line

Capacity:1-15 TPD
Control Mode:Automatic/Manural
Pellet Size:2~12mm

Organic fertilizer production line parameters:

Custom ProcessingABC Machinery
Capacity1-15 TPD
Measurement AccuracyGrade II
Raw MaterialsSheep manure
Auxiliary raw materialsStraw, mushroom residue, etc.
Fermentation TimeAbout 7 days
After-Sales ServiceWorkshop building design, Technical Support

The core production process of organic fertilizer from sheep manure

Sheep manure contains high nutrients, including organic matter, nitrogen, phosphorus, potassium, etc. The content of organic matter and nitrogen is higher than that of pig manure and cow manure. It is a good raw material for the production of organic fertilizer. The production process of cow manure organic fertilizer mainly includes composting, crushing, mixing, granulation, drying, cooling, screening, packaging, and other steps. The organic fertilizer production line turns sheep manure into high-value organic fertilizer products through professional manufacturing processes. The following are the key steps of the cow dung organic fertilizer production line:

1. Collect sheep manure

For small-scale farmers or farmers, hand collection is a simple and effective method. Clean the sheep house regularly and collect sheep manure into storage containers, such as compost piles and fermentation tanks.

sheep manure
sheep manure

2. Dewatering

The quality of sheep manure ranks first in the animal husbandry industry. Fresh sheep manure contains 0.46% phosphorus, 0.23% potassium, and 0.66% nitrogen. The organic matter content is as high as 30%, far exceeding that of other animal feces. Sheep are herbivores and rarely drink water, so the water content of sheep manure is less than that of pig manure and cow manure. The feces are fine and rich in fat. Appropriate amounts of auxiliary materials such as wheat straw and rice husk can be added to adjust the moisture. The liquid and solid sheep manure is separated by a dewatering machine to achieve efficient recycling.

dewatering machine
dewatering machine

3. Fermentation

Next is fermentation treatment, which is the core step of organic fertilizer processing. An appropriate amount of organic agricultural waste such as sheep manure and straw can be mixed into fermented compost. The amount of straw depends on the moisture content of sheep manure. Generally, composting/fermentation requires a moisture content of 45% to adjust moisture, ventilation, temperature, and carbon-nitrogen ratio. During the fermentation process, two fermentation methods can be selected according to the actual situation:

1. Compost fermentation: Mix sheep manure with straw and pile it into a compost pile of a certain height and width. The sheep manure organic fertilizer needs to be turned regularly to keep its temperature between 55°C-70°C for 3 days. This method is simple and suitable for smaller farmers or farms.

2. Organic fertilizer fermentation tank: Put sheep manure into a closed fermentation tank, and use microorganisms to ferment by controlling ventilation, stirring, humidity, and other conditions. This method allows for better control of the fermentation process, speeds up fermentation, and reduces odor and volatile gas emissions.

fermentation tank(left)& compost turner(right)
fermentation tank(left)& compost turner(right)

The core differences between the two types of equipment are different costs, different efficiencies, and different fermentation times. The specific differences are as follows:

ItemOrganic Fertilizer Fermentation TankCompost Turner
Odor TreatmentYes, our fermentation tank is a closed structure and equipped with a deodorization system to remove odorsNo, the raw materials are exposed to the air, and workers and the surrounding people need to tolerate the odors
Processing TimeOnly need 7 daysNeeds at least 15-30 days
Space Occupied60㎡Needs hundreds of square meters with the same capacity
Continuous ProcessingYes, if using our method, customers can input raw material every day and get the final product every dayNo, it’s batch production. Customers have to input raw materials at least every 15-30 days, which means they can get one batch every 15-30 days

4. Granulation

The granulation process is the core part of the production line. We offer four types of granulation equipment(rotary drum granulator, disc granulator, flat die pellet mill, and ring die pellet mill) to meet your needs.

This equipment has wide applicability to raw materials, especially organic matter, and does not have strict requirements on raw material density and crushing fineness. The raw materials do not need to be dried, the granulation rate of the finished product is high, and the granulation performance is stable. The granules produced by this organic fertilizer granulator are not easily broken and have a uniform appearance. Moreover, there is no need to add water during the granulation process, which saves the cost of subsequent granule drying.

rotary drum granulator
rotary drum granulator
flat die pellet mill
flat die pellet mill
ring die pellet mill
ring die pellet mill

5. Drying and cooling

We offer rotary drum dryers and rotary drum coolers for drying and cooling cow manure organic fertilizers. Rotary dryers use hot air to reduce the moisture content of fertilizers. After drying, the moisture content of organic fertilizer is reduced from 20%-30% to 2%-5%. The new combined lifting plate is used to avoid the material wind tunnel phenomenon and help improve heating efficiency. 

The material cooler has become an indispensable and important part of the entire fertilizer processing process. Through the cooling process, the material removes about three percent of its moisture. It can also be combined with a rotary dryer to remove dust and purify waste gas, which can improve cooling efficiency and heat energy utilization, reduce labor intensity, and further remove moisture from fertilizers.

rotary drum dryer
rotary drum dryer
rotary drum cooler
rotary drum cooler

6. Screening

After cooling, there is still powdery material in the finished product, and the diameter of the particles produced by the granulator may have certain differences, and a screening machine needs to be used for screening and classification. The rotary drum screener has the characteristics of a simple structure, low noise, smooth operation, and small vibration. In addition, the upper part of the drum is equipped with a cleaning device, which can clean the screen during work to prevent clogging. This can fully improve screening speed and efficiency.

For large-capacity organic fertilizer production lines, we recommend that they be equipped with an automated return system. The unqualified particles after screening will be transported to the crusher by a belt conveyor for grinding again, and then continue to be granulated, which will help improve the continuous operation capacity of the production line.

rotary drum screener
rotary drum screener

7. Packing

We provide fully automatic quantitative fertilizer packaging machines, which are automated and intelligent packaging machines specially designed, manufactured and customized to meet the needs of different irregular materials and granular materials. The weighing control system is designed according to dustproof and waterproof requirements. It can also be equipped with feed bins for automatic weighing and conveying according to customer needs. Suitable for bulk packaging and bag sealing of bulk materials.

packing machine

8. QC

Quality control is crucial throughout the post-processing process. This includes testing and monitoring the nutrient content, moisture content, and microbial and heavy metal content of the product. Ensure that products comply with national and regional standards and regulations to ensure product safety and quality.

testing report of final fertilizer
testing report of final fertilizer

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Advantages of sheep manure organic fertilizer

1. Sheep manure organic fertilizer decomposes slowly and is suitable for use as base fertilizer. It has the effect of increasing the yield of crops. The effect is better when combined with hot organic fertilizers (such as livestock and poultry manure, plant straw, kitchen waste, etc.). 

2. Applied to sandy and overly sticky soil, it can achieve the purpose of improving fertility and improve soil enzyme activity.

3. Organic fertilizer contains various nutrients needed to improve the quality of agricultural products and maintain nutritional needs.

4. Organic fertilizer is beneficial to soil metabolism and improves soil biological activity, structure, and nutrients.

5. Enhance the drought resistance, cold resistance, desalination, salt resistance, and disease resistance of crops.

Organic fertilizer production line other items

1. Delivery time: 20-30 days after receiving prepayment. 

2. Payment term: 30% prepayment by T/T, 70% pay before delivery. 

3. Quality Guarantee Terms: The quality guarantee term is for 13 months from the shipping date. Any broken parts caused by the equipment itself and quality will be the responsibility of the manufacturer. Others which are caused by operation mistakes, man-made problems, etc. will be responsible by buyers. 

4. Valid time of price: This quotation is valid for 30 days for EXW and FOB price, and 15 days for CNF or CIF price. 

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