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Rotary dryers

Fertilizer Production Line

【Capacity】:0.5 to 30 ton/hour
【Raw Materials】:chicken manure, cattle manure, pig manure, pigeon dung and other poultry manure, straw and other agricultural wastes biogas residue and kitchen garbage;
【Application range】:Chicken manure, cattle manure, pig manure, pigeon dung and other poultry manure, straw and other agricultural wastes, biogas residue, kitchen garbage.


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1. Strong adaptability, Suitable for the production of different formulations, different water content, different concentrations of compound fertilizer, organic fertilizer.
2. Unique drying and cooling process. The benefit is fully dry and cool material, and again spheronization and polishing on pellets
3. Low temperature drying technology. It can produce rich in active microbial ecological fertilizer.
4. Advanced process design, equipment layout is reasonable, compact structure, small area.
5. Unique sealing device, can not only improve the efficiency, no dust, improve the operating environment
6. The heater could use the oil, gas, coal, biomass and other efficient automatic (or manual) hot air furnace, reasonable design, high thermal efficiency, low drying cost.
7. Suitable for different customers that have different production capacity requirement, 1-20 million tons per year.


1.    Fermentation process:
The first procedure of the production line is organic matter fermentation. During the preparation stage, the compost will be transported to the mixer to be turned over and mixed in order to speed up the fermentation speed.
2.    Crushing process:
During this process, crushing the compost block by the crusher. It be ready for the pelleting process. If the result of compost fermentation is good and without lumps, this step can be omitted.
3. Quantitative composition process:
If you need to add many kinds of material in the recipe. In order to improve the processing efficiency and the accuracy of the proportion of the ingredients. You can use the automatic batching system. The system contains a number of quantitative belt scales. But if the production is pure organic fertilizer. This step can be omitted.
4. Pelleting process:
Disc pellet machine (rotary pellet mill) is widely used in fertilizer granulation. As the main step of the production line. Our equipment can automatically produce the shape of the pellets that suit for our customers. After the granulation of fertilizer. It can delay the release of fertility, greatly slowing the number of artificial fertilization.
5. Drying process:
In order to reshape the pellet shape and better storage. The humidity of the fertilizer should no more than 14%. Drum rotary dryer is widely used for drying fertilizer pellets.
6. Cooling process:
In order to increase the hardness of fertilizer pellets. Then we need cooling the fertilizer pellets after drying it. Roller cooling machine can meet this demand.
7. Screening process:
Through the trommel screen to select moderate size pellets. The small and large size of fertilizer pellets will be re crushed and re-grinder.
8. Coating process:
The roller coating machine to carry on the coating to the fertilizer granule. In order to prevent the particle adhesion
9. Packing process:
Packing process as the final process of the whole plant, generally using the automatic packing machine, packing the fertilizer pellets into bags for sale.
10. Dust removal system:
The dust generated from all process will be collected.
11. Supporting facilities:
Supporting facilities is connecting to the belt conveyor, bucket elevator, etc.
 Working principle
Introduction of Cow Manure, Pig Manure, Chicken Manure
1. Cow manure:
The cow dung contains that 14.5% organic matter, N: 0.30 to 0.45%, and P: 0.15 to 0.25%, and K: 0.10 to 0.15%. It is a kind of very good soil fertilizer. The content of organic matter in the cow dung is lowest among the livestock manure. A slow acting fertilizer.
2. Pig manure:
Pig manure contains 15% organic matter (the total nutrient content is not high), N: 0.5 to 0.45, P: 0.6% to 0.5%, K: 0.35 to 0.45%. Pig manure texture is fine, composition is complex, containing protein, fat, organic acids, cellulose, semi cellulose and inorganic salt. Pig manure containing more nitrogen, carbon and nitrogen ratio (14:1). Generally easy to be microbial decomposition.
3. Chicken manure:
Chicken manure contains rich nutrients. That is contain the dry matter:89.8%, crude protein:28.8%, and crude fiber:12.7%, and digestible protein:14.4%, and nitrogen free extract:28.8%, and phosphorus:2.6% calcium:8.7%,Histidine:0.23%,methionine:0.11%, leucine:0.87%, lysine:0.53%, phenylalanine:0.46%.Through proper processing and utilization, it can be a very good green organic fertilizer or chicken feed, Chicken manure as farm manure, have higher efficiency than pig manure, cow dung etc. each ton sticky chicken manure containing plant nutrients :N:11.35 kg, P(P2O5):10.44 kg,K (K2O):5.45 kg.
1. In addition, the chicken manure contains a lot of organic matter, also can be used for making biogas feedstock.

Technical Parameters:
Model DLFG1212 DLFG1412 DLFG1615 DLFG1916 DLFG2012/3
Chicken manure organic fertilizer (m³/hour) 1-2 2-4 3-6 6-8 12-20
Cow manure organic fertilizer (m³/hour) 2-3 3-5 5-7 8-10 15-25
Total power  (kw) 22-30 26-40 35-50 40-60 65-80
Energy consumption(Standard coal)(kg) 150 150 140 140 125

Note: No further notice if the technical parameters change.
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