fertilizer production line

The drum dryer is one of the important equipment in the compound fertilizer production line. The main function of the drum dryer is to remove excess moisture from the raw materials. The entire equipment is installed on a horizontal plane, with the feeding and discharging ends forming an inclined angle. By rotating the internal lifting plate, the material is transported from one end to the other end. The internal lifting plate evenly sprays the material inside the dryer, making it better in contact with hot air, Accelerate the evaporation of water.

The processed organic fertilizer particles to be dried are transported by a belt conveyor to the feed inlet of the feeder, and the particle material flows into the drum dryer barrel along the feeder chute. The feeder is embedded on the outer side of the drying cylinder. As the deceleration drive system drives the overall rotation, the granular material moves backwards with the rotation of the drying cylinder, and the feeder end is filled with heated hot air. Directly contact the material in the drying cylinder to evaporate its water vapor and dry it. During the drying process, the deceleration drive system is adjusted by a frequency converter to adjust the speed of rotation based on the degree of material drying. The material is dried dry, accelerating the value of the frequency converter to quickly pass through the integrated device of drying, cooling, and screening. If the drying effect is not good, lower the value of the frequency converter to make the drying, cooling, and screening integrated device rotate slowly, and the material stays inside for a longer time. The middle induced draft hood draws the dried water vapor out of the drying cylinder. Then, the dried material enters the cooling drum as it rotates. Under the action of the middle induced draft hood, natural air enters the cooling drum from the unclosed end of the cooling machine. As the cooling drum rotates, it picks up the material and directly lowers the temperature of the material to the natural temperature. Afterwards, the granular materials enter the drum screen, and the unqualified materials are screened out from the drum screen. The qualified materials directly enter the next packaging section.

The heat source of the dryer can be coal, electricity, natural gas, biomass particles, biomass oil, etc. The use cost of coal is lower, and the use cost of electricity is higher.

The current drum dryer is well made and has mature manufacturing technology. It not only has high output and lower energy consumption, but also uses high-temperature air generated by a hot air stove to evenly dry materials and is equipped with dust removal technology, which can better meet environmental requirements.

Adding non-toxic and harmless sawdust or coarse rice bran and other auxiliary materials (accounting for 10% – 15% of the total amount of fermented pig manure) in fresh pig manure, or try to mix chicken manure to regulate water content, ventilation and carbon nitrogen ratio, so as to control the water content of pig manure at about 60%. The C / N ratio is between 30 and 40.

The second is to add superphosphate, which accounts for 5% of the total fermentation material, to adjust the pH of pig manure to about 7.5. The additives must be mixed evenly with pig manure, stirred by organic fertilizer machine, and then stacked in a ladder shape in the pretreatment plant. The stacking trapezoid is 2m in width at the top and 3M in the bottom. The stacking strip is in the same direction as the gradient of the ground, so that the exudate can flow into the small ditch on the low side. The stacking time in the pretreatment plant was 7 days in summer and autumn, 10 days in winter and spring, and then it was fermented in fermentation trough.

The pretreatment process of pig manure organic fertilizer production process is as follows: fresh pig manure – adding fermentation bacteria – adding sawdust, rice bran, chicken manure – adding calcium superphosphate – uniform mixing – trapezoidal stacking for 7-10 days – sent to the fermentation workshop 

The conditions for pig manure fermentation and fermentation products

1. There should be some suitable microorganism.

2. To ensure or control the various conditions of microbial metabolism (medium composition, temperature, solubility, pH, etc.).

3. There should be equipment for microbial fermentation.

4. There should be methods and equipment for extracting strains or metabolites and refining them into products.

The organic fertilizer granulator machine is a key equipment for producing granular organic fertilizer. After granulation, powdered organic fertilizer can not only flexibly adjust the fertilizer formula, but also increase the price per ton by 1-2 times, making the profit of organic fertilizer greater.

Organic fertilizer granulator machines are divided into various types:

1. Agitator granulator: Utilizing the high-speed rotating mechanical stirring force and the resulting aerodynamic force, the fine powder material is continuously mixed, granulated, spheroidized, and compacted in the machine to achieve the purpose of granulation. The particle shape is spherical, with a sphericity of ≥ 0.7, a particle size generally between 0.3 and 5 millimeters, and a particle formation rate of ≥ 95%. The size of the particle diameter can be adjusted appropriately by the material mixing amount and the spindle speed. Generally, the lower the mixing amount, the higher the rotation speed, and the smaller the particle, and vice versa. Suitable for various organic fertilizer raw materials such as animal manure, sludge, clay, etc. Stirring teeth granulator

2. Disc granulator: The disc granulator has a novel and reasonable structure, with reduced weight and height. The process layout is flexible and convenient, suitable for the renovation of old factories. The inclination angle of the large plate can be adjusted. Adopting angle washers for flexible and convenient adjustment. The use of a unique unpowered combination scraper integration reduces auxiliary power consumption. The large plate is composed of a plate body and a plate section. Reduce the power of the main motor. The disc section can be adjusted up and down along the disc body. The end of the disc joint is an edge flange, which ensures that the material ball is not pulled or torn when it is discharged from the disc. A brand new desilting design, consisting of a combination of unpowered scraper for edge and bottom cleaning, angle cleaning scraper for corner cleaning, and unique disc processing technology. The desilting and ball forming effects are good, without large mud balls. The diameter of the feed ball is 90% between 3-5mm.

3. Roller extrusion granulator: Produced using a non drying room temperature process, this equipment has low investment and good economic benefits. The complete set of equipment has a compact layout, scientific and reasonable design, energy conservation and consumption reduction, no discharge of three wastes, stable operation, reliable operation, and convenient maintenance. Wide adaptability of raw materials, suitable for granulation of various raw materials such as compound fertilizers, chemicals, feed, etc., with high product granulation rate. It can produce various concentrations and types of compound fertilizers (including organic fertilizers, inorganic fertilizers, biological fertilizers, magnetized fertilizers, etc.). Its advantage is that there is no need for drying treatment, and equipment investment is greatly reduced.

4. Organic fertilizer drum granulator: It is one of the key equipment in the compound fertilizer industry, suitable for cold and hot granulation as well as large-scale production of high, medium, and low concentration compound fertilizers. The new generation rotary drum granulator has been developed by our company’s technical personnel, who have accumulated years of experience in the production of compound fertilizers. This machine has the advantages of high ball forming strength, corrosion resistance, wear resistance, simple operation, low energy consumption, long service life, and convenient maintenance. It is currently a relatively advanced granulation equipment in China.

Organic fertilizer is a good project for many people, but they don’t know much about this industry. Therefore, it needs to be investigated for a long time before it can be put into the production of organic fertilizer. The investment in the production of organic fertilizer can be large or small. If you only consider the treatment of livestock and poultry manure, a fermentation compost windrow turner can be used, Many small-scale organic fertilizer plants only need fermentation equipment, crusher, mixer, organic fertilizer granulator, screening machine and quantitative packaging scale to put into production. However, this mode of production requires a lot of human operation, such as the fermentation of raw materials in the early stage and the drying after granulation, which needs manual turning and drying.
The complete set of organic fertilizer plant production line only needs five or six people. It doesn’t need too much investment in human resources, but it needs to expand the investment in organic fertilizer machine. Investment in organic fertilizer is not only in equipment, but also in site and infrastructure. Therefore, the investment in organic fertilizer ranges from tens of thousands to hundreds of thousands.

The simple configuration of organic fertilizer machine includes: fermentation compost windrow turner, organic fertilizer crusher, horizontal mixer, organic fertilizer granulator, drum screening machine and quantitative packaging scale. These five equipment can make organic fertilizer put into production. If it is necessary to reduce the input of labor cost, several belt conveyors can be added. In this set of equipment, it is necessary to manually turn over the organic fertilizer fermentation and dry the organic fertilizer after granulation. This simple configuration of organic fertilizer machine is suitable for small organic fertilizer processing plants or farms. Under the premise of small equipment cost, the production of organic fertilizer can run normally.

Those who use simple and low configuration organic fertilizer machines are mostly farms, or those preparing to invest in small-scale organic fertilizer processing. Low configuration organic fertilizer machines are the most suitable for them, with less investment, smaller production scale and faster return on income.

In order to meet the requirements of environmental protection, the quality requirements of organic fertilizer products are not high, so low configuration organic fertilizer machine is used. The coating machine, round throwing machine, drying machine and cooling machine in the whole equipment can not be used. The round throwing machine and coating machine are used to improve the appearance quality of organic fertilizer particles. The drying machine and cooling machine are used to quickly remove the moisture in the organic fertilizer particles. If not, the manual air drying method can be adopted.
If the investment is less than 100000 yuan, the organic fertilizer production lines configured for each customer are different.

The low configuration of pig manure organic fertilizer production line only needs fertilizer crusher, fertilizer mixer, organic fertilizer granulator, screening machine and packaging machine. This belongs to the basic configuration, according to the actual needs and requirements of customers to add equipment. Therefore, the price of the whole pig manure organic fertilizer production line and chicken manure organic fertilizer production line ranges from tens of thousands to hundreds of thousands. At present, most of the automatic quantitative packaging machines in the domestic market are semi-automatic production, which requires manual bagging and personnel care when packaging. Generally, one automatic quantitative packaging scale needs two people to operate, which improves the interest of human resources in enterprise production.

The role of cow manure organic fertilizer production line equipment in the utilization of agricultural waste resources is well-known, and the achievements made are also evident to all. This processing mode of transforming agricultural waste into resource utilization not only solves the pollution problem of agricultural waste, but also realizes the recycling of agricultural resources, promotes the rapid growth of crops, and promotes the development of green agriculture.

The machine for processing cow manure into organic fertilizer refers to the equipment of the cow manure organic fertilizer production line, mainly including crushing machines, fermentation and deodorization machines, mixing machines, ingredient machines, drying and cooling machines, organic fertilizer granulation machines, screening machines, and finished product packaging machines.

The production process of granulation for cow manure organic fertilizer production line:

1. Add straw and rice bran materials in proportion to cow manure, sprinkle with fermentation bacteria, and then use an organic fertilizer flipping machine to flip and stir the raw materials to start heating and fermentation. Afterwards, flip and toss the raw materials every 1-2 days, usually around 15-20 days before fermentation and maturation.

2. By using a grinder and screening machine, fermented cow manure can be evenly crushed and impurities inside can be removed to obtain the finished powdered organic fertilizer.

3. Use an automatic batching system and mixer to pre mix the raw materials into a suitable granulation state. Generally, the water content is adjusted to about 40%, and corresponding auxiliary materials are added for uniform mixing.

4. The stirred raw materials are transported to the organic fertilizer granulator, which rotates and compresses the raw materials at high speed to form granular cow manure organic fertilizer. Then, a drying and cooling system is used to remove excess water from the particles to ensure sufficient strength.

5. The processed granular cow manure organic fertilizer is screened through a screening machine to obtain predetermined sized granular organic fertilizer. Small particles are returned to the granulator for remaking, while larger particles are returned to the feed crusher for crushing. Qualified particles flow into the automatic packaging machine and are packaged into bags.

Ecological agriculture, protecting and improving the ecological environment, preventing and controlling pollution, maintaining ecological balance, improving the safety and sustainable development of agricultural products. The normal development of agriculture and rural economy, as well as the close integration of environmental construction and economic development, meet the increasing demand for agricultural products by the people to the maximum extent, improve the stability of the system and the sustainable development of the ecosystem, and enhance the resilience of agricultural development.

Cattle and sheep manure processing organic fertilizer is a complete set of equipment for processing organic fertilizer with cow and sheep manure as raw material. The cow manure from the manure urinal can be pumped into the organic fertilizer machine by the slurry pump, and then the water content after treatment is about 40%. Crops such as straw and rice bran (including n / P / k) can also be used as filling materials. Then, biological bacteria agent can be sprayed and 1kg strain agent can be mixed with 20% Kg water can ferment 1 ton of raw material. It can be completely decomposed in 7-10 days.
Production process of organic fertilizer machine: raw material selection (pig manure, etc.) – > drying and sterilization > fermentation > grinding > stirring > granulation > drying > cooling > coating > screening > metering sealing > finished products warehousing. The complete set of equipment is mainly composed of fermentation system, drying system, deodorization and dust removal system, crushing system, batching system, mixing system, granulation system and finished product packaging system; (harmless treatment of livestock and poultry manure) fermentation system includes: feed conveyor, biological deodorizer, mixer, compost windrow turner, oxygen supply system and automatic control system.

The scale and product scheme design should be made according to the characteristics of raw material resources, local soil conditions, local planting structure and main crop varieties, factory site conditions, and the automation degree of organic fertilizer machine production. 

The processing of commercial organic fertilizer from chicken manure and cow manure requires two steps: the early fermentation part is a necessary processing step for any form of organic fertilizer, and a fermentation tipping machine is needed to assist in the processing process. The later processing process mainly selects the corresponding production equipment based on the type of fertilizer required by the customer, such as a pulverizer and screening machine for powdered organic fertilizer, and a granulator needs to be added to the previous foundation for granular organic fertilizer Drying machines, cooling machines, etc.

The popularization of organic fertilizer granulator meets the requirements of “accelerating the construction of resource-saving and environment-friendly society”. With the improvement of people’s living standards, people’s demand for stable and healthy green food is increasing. Farmers urgently need to apply organic fertilizer to improve the market competitiveness of agricultural products. Therefore, from the market trend, this is in line with the construction of organic fertilizer processing plant – organic fertilizer granulator. The key lies in the local market and its own market accumulation.
Organic fertilizer granulator equipment production line products with chicken, pig, cow dung as the main raw materials, pure natural, without any chemical components. The digestibility of chickens, pigs and cattle is relatively low, only 25% of the nutrients are consumed each time, while 75% of the other nutrients in the feed are discharged with the feces. Therefore, the organic fertilizer granulator dried product contains organic matter, amino acid, protein and other components. Organic fertilizer granulator not only creates economic benefits for enterprises, but also makes great contributions to human environmental protection projects. 

Organic fertilizer drum granulator: It is one of the key equipment in the compound fertilizer industry, suitable for cold and hot granulation as well as large-scale production of high, medium, and low concentration compound fertilizers. The new generation rotary drum granulator has been developed by our company’s technical personnel, who have accumulated years of experience in the production of compound fertilizers. This machine has the advantages of high ball forming strength, corrosion resistance, wear resistance, simple operation, low energy consumption, long service life, and convenient maintenance. It is currently a relatively advanced granulation equipment in China.

Due to certain differences in production processes, the selection of organic fertilizer production equipment needs to be tailored to meet one’s own needs. For example, straw organic fertilizer raw materials not only need to be crushed before fermentation, but also need to be crushed once before granulation to improve the quality of the finished product. After repeated crushing, the produced particles can ensure roundness and smoothness. At this time, two organic fertilizer crushers are needed for ease of operation. If animal manure is used as raw material, only one machine is needed.

Tank type fermentation is selected for cow manure fermentation. The tank type fermentation equipment operates stably and has a greater flipping depth, making it the first choice for large-scale organic fertilizer processing plants. The fermented materials are poured into the feeding bin using a forklift, which continuously and evenly feeds the fermented cow manure organic fertilizer raw materials into a semi wet material crusher. The materials are crushed by high-density blades through the crusher to obtain very fine cow manure organic fertilizer. The next step is to use a drum screening machine to screen out a small amount of large materials, thereby improving the quality of the finished organic fertilizer. The final step is to use an automatic packaging machine to pack into bags.

The process of making organic fertilizer particles from straw is slightly more complex. Generally, straw needs to be combined with animal manure to achieve better results. After mixing animal manure and straw, it needs to undergo about 20 days of high-temperature fermentation. During the fermentation process, it will kill bacteria and weed seeds in the raw material, and under the action of fermentation bacteria, it will breed a large number of beneficial bacteria, thereby improving the soil and providing nutrition for crops. The fermented raw materials need to be evenly crushed using a grinder. The finer the crushed material, the more conducive it is to the formation of particles. By using an organic fertilizer granulator, the crushed raw materials can be made into organic fertilizer particles,

The average daily production of an organic fertilizer production line with an annual output of 10000 tons needs to reach around 30 tons. When selecting equipment, it is important to pay attention to the working efficiency of a single organic fertilizer machine to avoid mismatches in equipment efficiency that may affect production.