Controlling the rotary drum granulator to improve the particle roundness

The time and frequency of material rolling in the rotary drum granulator are the primary factors to determine the pelletizing rate and particle roundness. The roundness of granular product in fertilizer production line can be improved by controlling the drum granulator.

rotary drum granulator
rotary drum granulator

Production principle of rotary drum granulator

Materials rely on surface tension, proper amount of liquid phase, extrusion force generated by rolling between materials, and correct movement direction of materials in the granulator, with small particles as the core, they absorb and adhere to each other and form balls in rolling. In a certain period of time, the higher the rolling frequency is, the higher the spheroidization rate is, and the rounder the particles are.

In the process of production, we have encountered two kinds of situations due to the different friction between materials and the wall of granulator.
1. The internal surface finish of granulator is large, so that the friction force between material and cylinder wall is reduced, and the upward movement force of material is weakened. If the material does not roll, it will not produce particles. In view of this situation, we can solve this problem by adjusting the speed of the granulator and installing a small plate inside.
2. The material in the drum granulator is severely stuck to the wall, and the friction between the material in the granulator and the wall of the barrel is increased, which raises the material in the machine too high, causing the material to fall from the top, so that the formed particles are not Rounding and excessive large particles, we think there are two reasons for this situation: on the one hand, the material is caused by too much viscous material, in this case, we change the formula of the npk production line to reduce the amount of viscous material; on the other hand , The inside of the granulator is not smooth. In this case, we change the internal material to increase the smoothness of the granulator.

On the other hand, we should also control the reasonable amount of material returned to the whole fertilizer production line. The process of rotary drum steam granulation is different from that of general fertilizer granulator, the relative pelletizing rate is lower, and the amount of returned material is higher. The amount of returned material directly affects the output and quality. The product has less particles, more powder and larger amount of return material, which directly affects the output. Large particles return more materials, directly affect the smoothness and roundness of the product.

Several basic granulation methods of NPK fertilizer

Mixing granulation of different NPK fertilizers is the core of compound fertilizer processing. Fertilizer production line generally uses the following methods to granulate:

1. Extrusion granulation is a method of making dry powder or wet powder containing binder into cylindrical, spherical or sheet shape by mechanical processing such as extrusion, roller extrusion or pressing. The technology of dry granulation is used in the flat die pellet mill, the ring die pelleting machine and the double roller granulator.

2. Agglomerating granulation, which is under the action of rotation, vibration, agitation and so on, makes the wet powder in motion agglomerate. Or use the fluidized bed to make the material obtain the cohesive force by supplying the spray liquid binder) so as to grow into the appropriate particles. This method is used in disc granulator and rotary drum granulator.

3. Crushing granulation, which is to crush the block material into particles of appropriate size.

4. Melt granulation, which is a method of cooling and hardening molten liquid for granulation.

5. Spray granulation. It is a method of directly forming granules after concentrating the solid in the liquid.

6. The method of crystallization and granulation in liquid phase is to make materials precipitate and crystallize in liquid phase, at the same time, agglomerate into spherical particles by the action of liquid bridging agent and agitation. This technology is widely used in pharmaceutical industry. Because the shape of the particles is spherical, it is also called spherulite granulation, which is called spherulite granulation for short. Spherulite is a kind of spherical particle formed by the crystallization and aggregation of pure materials. It has good fluidity, filling and compression formability. In recent years, the technology has been successfully applied to functional pellets.

granulation machine
granulation machine

Continue reading “Several basic granulation methods of NPK fertilizer”

3-5 t/h Bio-organic Fertilizer Projects and Machinery

Production Conditions of 3-5 t/h Bio-organic fertilizer manufacturing process

Using livestock and poultry manure and agricultural straw waste, the production technology of bio-organic fertilizer can reach 3-5 tons per hour.

3-5 t/h Organic Fertilizer Production Process

1. Floor stacking composting, using windrow turning machine. Or the fermentation tank to put the material, using the trough compost turning machine.

2. Sprinkle fungicides evenly into the fermentation products, mix the materials with the dumper, and compost to achieve the purpose of heating, smelling, maturing and killing weed seeds.

3. Fermentation for 10-15 days. According to the local temperature, the number of treatments of compost dumper is different.

4. Material that is completely fermented and decomposed is fed into organic fertilizer production equipment.

5. Preliminary screening of materials by drum screening machine (the screened powdery organic fertilizer can be sold directly).

6. After the screened bulk materials are crushed by a crusher, they are re-screened.

7. Adding trace elements to powdery organic fertilizer and mixing with horizontal mixer.

8. Granulation with the new type NPK fertilizer granulator.

9. Fertilizer granules are fed into rotary dryer and rotary cooler.

10. Screening of qualified granules by fertilizer drum screener machine.

11. Bio organic fertilizer enters the coating machine.

12. Products can be sold after being packed by automatic packing machines.

3-5 t/h organic fertilizer manufacturing process
3-5 t/h organic fertilizer manufacturing process

Bio-organic fertilizer production and fermentation equipment

Ground windrow turner or trough compost turning machine
The ground turner does not need to build a trough, but directly stacks the materials in strips and uses a material dumper for dumper fermentation.
The use of trough compost turning machine, according to your scale of production to build fermentation tank, fermentation products are continuously put into the fermentation tank, the use of turning machine for turning fermentation, can play the purpose of water regulation and even mixing, thus saving a lot of labor. It can also achieve the purpose of full ripening.

Investment Projects in 3-5 tons of organic fertilizer manufacturing process

1. Facilities investment

Semi-finished products, raw material warehouses, office sites. According to the local construction cost budget.
When the fermentation tank is built, the ground fermentation tank is not needed.

2. Equipment investment

In the selection of fertilizer production equipment, Huaqiang fertilizer granulator manufacturers can configure models and functions according to customer requirements. The annual output of organic fertilizer production process is determined by the customers themselves. The material connection in our fertilizer production line is accomplished by belt conveyor. The length and number of belt conveyor can be designed according to the actual site.

How to use the roller press granulator?

Roller press granulator machine is a kind of fertilizer granulator machine to be used in different type fertilizer manufacturing process.How to equipped of the roller press granulator?
The roller press granulator machine is a new designed fertilizer granulator machine series.It is usually to be equipped in npk fertilizer production line to make npk,compound fertilizer granulator.It is produced by no drying and normal temperature process,with one time forming,output of 1-1.5t/h and 1.5t/h-3t/h.The equipment has the advantages of less investment,quick effect and good encomic benefit.roller press granulator The layout of complete equipment is compact,scientific and reasonable,and the technology is advanced.Engery saving and consumption reduction,no discharge of three wastes,stable operation,reliable operation and convenient maintenance.Wide adaptability of raw  materials,suitable for granulation various raw materials such as compound fertilizer,medicine,chemical industry,feed etc.,with high granulation rate.
It can produce various of compound fertilizer with various concentrations with being made in the fertilizer production line(including organic fertilizer,inorganic fertilizer,biological fertilizer,magnetized fertilizer,etc.)

organic fertilizer production line

organic fertilizer machine

NPK and organic fertilizer granulator

Detailed production process of pig manure organic fertilizer

Pig manure organic fertilizer production line is a complete set of natural organic pig manure organic fertilizer machine, which uses fresh pig manure as raw material and through a series of processing. There are two steps for the processing of pig manure organic fertilizer: pre fermentation and treatment and deep granulation. The supporting equipment of pig manure bio organic fertilizer needs fermentation windrow turner, organic fertilizer crusher, roller screen machine, horizontal mixer, fertilizer granulator, rotary dryer, cooler, screen machine, coating machine, packaging machine, conveyor and other fertilizer equipment.

Process flow of pig manure organic fertilizer production line

Detailed production process of pig manure organic fertilizer

In the early stage of fermentation, a fermentation trough with a width of 3 meters and a length of 50 meters (which can ferment more than 200 tons of raw materials) or a machine with multiple tanks shall be built, and then the raw materials (excrement, biogas residue and straw) shall be piled up in the fermentation trough. 1 kg of humic agent is mixed with 20 kg of water and mixed in the raw material pile. 1 kg of humic agent can ferment 1 ton of raw materials. In the fermentation process of pig manure fertilizer, observe the controllable factors in the fermentation process at any time, such as temperature, water content, pH and other conditions. Generally, fermentation can be completed in 7-10 days, without odor. The color of raw material is black brown or black, which means maturity.

roller granulator 
granulator machine for fertilizer 
drum granulator

fertilizer granulator machine

Production process of chicken manure organic fertilizer production equipment

Production process of chicken manure organic fertilizer production equipment:

1. The first step is to ferment and decompose the animal manure and other raw materials. The whole fermentation process can kill the harmful bacteria in it. Besides the dead bacteria, it is also the most important step in the whole organic fertilizer production process.

2. Secondly, the half wet material grinder of the organic fertilizer grinding equipment should be used to preliminarily decompose the raw materials.

3. Raw material ratio is one of the most important processes in organic fertilizer production. Its main purpose is to improve the quality of fertilizers by adding appropriate amounts of excipients in a certain proportion.

4. Fertilizer granulation shall be carried out after the material preparation is evenly mixed and stirred, which is also the most important aspect of the whole fertilizer production process.

5. After the raw material is dried to obtain high-temperature energy, the next step requires low-temperature cooling. Since water can not be used for cooling, it is necessary to separate the contact between the material and water through the cooler.

6. Drum screening is to screen out the fertilizer of unqualified particles. The screening equipment here is easy to operate.

Production process of chicken manure organic fertilizer production equipment

Chicken manure organic fertilizer production equipment, organic fertilizer machine manufacturer service commitment:

Be responsible for organizing, coordinating and implementing after-sales service for users who order products of Zhengzhou Tianci Heavy Industry Machinery Co., Ltd.

Organize relevant departments of the company to collect customer feedback, formulate implementation plan in time, and solve actual problems of customers.

According to the user’s needs, the company will send engineering technicians to the user’s site to plan the site and design the best process and scheme.

Free training of technical personnel for customers.

According to the purchase contract, the company will send engineering and technical personnel to guide the installation and commissioning of products.

fertilizer production process 
organic fertilizer granulator 
compost windrow turner 

Production process of chicken manure organic fertilizer production equipment

Production process of chicken manure organic fertilizer production equipment:

1. The first step is to ferment and decompose the animal manure and other raw materials. The whole fermentation process can kill the harmful bacteria in it. Besides the dead bacteria, it is also the most important step in the whole organic fertilizer production process.

2. Secondly, the half wet material grinder of the organic fertilizer grinding equipment should be used to preliminarily decompose the raw materials.

3. Raw material ratio is one of the most important processes in organic fertilizer production. Its main purpose is to improve the quality of fertilizers by adding appropriate amounts of excipients in a certain proportion.

4. Fertilizer granulation shall be carried out after the material preparation is evenly mixed and stirred, which is also the most important aspect of the whole fertilizer production process.

5. After the raw material is dried to obtain high-temperature energy, the next step requires low-temperature cooling. Since water can not be used for cooling, it is necessary to separate the contact between the material and water through the cooler.

6. Drum screening is to screen out the fertilizer of unqualified particles. The screening equipment here is easy to operate.

Production process of chicken manure organic fertilizer production equipment

Chicken manure organic fertilizer production equipment, organic fertilizer machine manufacturer service commitment:

Be responsible for organizing, coordinating and implementing after-sales service for users who order products of Zhengzhou Tianci Heavy Industry Machinery Co., Ltd.

Organize relevant departments of the company to collect customer feedback, formulate implementation plan in time, and solve actual problems of customers.

According to the user’s needs, the company will send engineering technicians to the user’s site to plan the site and design the best process and scheme.

Free training of technical personnel for customers.

According to the purchase contract, the company will send engineering and technical personnel to guide the installation and commissioning of products.

fertilizer production process 
organic fertilizer granulator 
compost windrow turner 

15t/h sulfur-coated urea fertilizer production process and analysis

Advantages of sulphur-coated urea fertilizer

Sulfur coated urea, also known as sulfur coated urea, sulfur coated urea, controlled-release urea, is a new type of slow-release fertilizer. Similar to NPK granular fertilizer processed by rotary drum granulator, the product has the function of slow release and controlling fertilizer effect. According to different growth stages of crops, releasing nutrients according to nutrient requirements can reduce nutrient loss, improve fertilizer utilization, save resources and protect the environment. This product is not only an ecological and green agricultural product, but also a new type of product to replace common urea in the future.
1. The empty shell of sulfur fertilizer can store water. Through the soil, it can drive away the sterilization. Sulfur fertilizer and its compounds have been successfully applied to the improvement of saline alkali soil.
2. The product can not only supply sulfur to the soil, improve the yield of crops, but also improve the quality of crops to a certain extent.
3. Applying sulphur urea once can meet the needs of each growth stage of crops, which can greatly reduce the input of labor force.

A large number of studies show that most of the effective components of conventional chemical fertilizer are lost due to the volatilization and decomposition of drenching culture, resulting in less than 50% absorption by crops, that is, the utilization rate of conventional chemical fertilizer is less than 50%. Therefore, improving the utilization rate of fertilizer is the main content of fertilizer industry research. China’s research shows that more than 10 million tons of nitrogen are lost out of the world every year due to unreasonable fertilization, with a direct economic loss of over 10 billion yuan. The economic loss caused by the pollution caused by the loss of drainage to the people’s health and the quality of agricultural products is incalculable, with an upward trend in recent years.

Production process of sulfur-coated urea fertilizer

Different from organic fertilizer manufacturing process, sulfur-coated urea is coated with sulfur uniformly on the outside of ordinary urea, and then coated with a small amount of sealant and conditioner containing trace elements on the surface of sulfur. After this product is scattered in the farmland, urea nutrients are slowly released through the sulfur shell for crop absorption and utilization, which plays a role in prolonging fertilizer utilization. Chinese Tianci factory has specially designed a fertilizer production line with an output of 15t/h to process this fertilizer, so that urea can achieve the required fertilizer efficiency.

15t/h sulfur-coated urea fertilizer production process
15t/h sulfur-coated urea fertilizer production process

For general agricultural producers, in order to increase crop yields, the amount of fertilization must be increased accordingly, but when the fertilization reaches a high enough, and resources and the environment does not allow, it should seek to reduce the amount of fertilizer, through the use of new fertilizers. The new fertilizer formula can fully achieve the purpose of increasing production. The compound fertilizer granules and sulfur-coated urea fertilizer made by NPK fertilizer granulator are welcomed by the market.

Organic fertilizer made from waste vegetable leaves in vegetable greenhouses

Vegetable greenhouses will inevitably produce waste vegetable leaves. As the vegetable planting area continues to increase, a large number of stumps and leaves are produced. Every year melons, nightshade fruits, leafy vegetables and other vegetables produce nearly tens of thousands of dead branches and rotten leaves. For a long time, some farmers will randomly discard, let them rot or dry and burn the vegetables, which will cause the spread of pests and pathogens in the soil and air, and bring pollution to the environment. Organic fertilizer made from abandoned vegetable leaves in vegetable greenhouses has been vigorously promoted in the planting industry.

waste vegetable leaves
waste vegetable leaves

The processing technology of the organic fertilizer production line is to use a crusher to crush the collected vegetable leaves, add fermentation bacteria, stack the raw materials at high temperature, and then use a compost turning machine to turn the stack to make it fully rotted.

The crushed stem and leaves can be piled up and fermented at high temperature, and then they can be turned into organic fertilizer for reuse. Let the waste vegetable leaves turn into treasure, and solve a big problem of vegetable greenhouse planting in time. The fermented waste is made into organic fertilizer by the fertilizer granulator, and finally the vegetable leaf organic fertilizer is returned to the field. A large number of organic matter and nutrients promote the growth of vegetables better.

Relying on the technology of the organic fertilizer production line, the vegetable waste in the greenhouse has found a new way of recycling. The production and treatment technology of waste vegetable organic fertilizer has been put into use in many vegetable bases in China. And the use of processed organic fertilizer, vegetables look good, taste better. The implementation of organic fertilizer production line can reduce the environmental pollution and soil structure damage caused by discarded vegetable leaves, and help to enhance the safety of vegetables. Organic fertilizer equipment manufacturers hope that more vegetable bases will use this technology to realize the harmless use of vegetable leaves. We provide organic fertilizer machine, rotary drum granulator, disc granulator machine, organic fertilizer dryer, crusher and other fertilizer equipment.

Points for attention in roller extrusion granulation

Roller press granulator uses physical method to granulation. The whole process has no pollution and no waste. It is a very environment-friendly organic fertilizer machine. The following will lead you to understand the use of double roller extrusion granulator precautions.

Working principle of double roller press granulator

When the roller extrusion pelletizer is working, it is forced to roll the material into shape by two opposite moving roller skins of the granulation machine. Semi circular spherical cavities are regularly distributed on the two cylindrical roller skins. When the roller skin rotates against each other, the two semicircular cavities just form a complete spherical mold, and the materials inside are forced to be extruded into spherical particles. Due to the continuity of extrusion production, the particles and particles are connected together when they are just extruded, forming a cloth full of particles, which needs to be broken up by the crushing roller and divided into small round particles, and then screened from the screen to select the qualified particles.

 roller extrusion granulation production line
roller extrusion granulation production line

The use of roller press granulator

When the double roller extrusion pelletizer is producing granular fertilizers, it should be noted that the ball sockets on the two roller skins should be properly positioned. If they are not adjusted in place, they will be misaligned during granulation and cannot produce qualified products. Granular fertilizer. In addition, after the particles are formed, they are released from the ball socket of the roller skin in time, so that uninterrupted production can be realized. If the formed particles are not released in time, complete particles will not be formed, which will affect the npk production line.