Fertilizer Granulation Machine Fertilizer Granulator Machine

What is Fertilizer Granulation Machine?

Fertilizer granulation machines play a crucial role in the production of high-quality fertilizers used in agriculture. These machines are designed to convert raw materials into granular fertilizers with improved quality and stability.

One type of fertilizer granulation machine is the wet granulator, which is commonly used in organic fertilizer production. This machine uses the wet granulation method to produce organic fertilizer granules. It is known for its high granulation rate, making it suitable for processing various organic materials. The organic fertilizer granulation machine has a compact structure, long service life, and beautiful appearance.

Another type of fertilizer granulation machine is the double roller granulator, which operates based on the extrusion principle. It can produce both organic fertilizer granules and compound fertilizer granules. This machine is widely used in the fertilizer industry, as it offers high granulating rate, low cost, and efficient production capacity.

Benefits of Fertilizer Granulation Machines

Fertilizer granulation machines offer numerous benefits that enhance fertilizer production and improve overall efficiency. These machines play a crucial role in the agricultural industry by converting raw materials into granular fertilizers with specific pellet sizes.

One of the significant advantages of using fertilizer granulation machines is their high granulation rate. These machines, such as the disc granulator and the double roller extrusion granulator, are designed to ensure optimal granulation, resulting in high-quality granular fertilizers. The ability to achieve a high granulation rate is essential in producing fertilizers that provide the desired nutrient content and release characteristics.

Furthermore, fertilizer granulation machines have increased production capacity, allowing for efficient and large-scale fertilizer production. The rotary drum granulator, for example, is known for its ability to handle high volumes of materials and produce a significant amount of granulated fertilizers within a shorter timeframe.

Another benefit is the versatility of fertilizer granulation machines. They can produce both organic and compound fertilizers, making them suitable for various applications in the fertilizer industry. This versatility enables fertilizer manufacturers to cater to different market demands and offer a wide range of fertilizers to meet specific crop requirements.

Types of Fertilizer Granulation Machines

When it comes to fertilizer production, there are various types of fertilizer granulation machines available in the market. These machines play a vital role in the production process by transforming raw materials into granular fertilizers. The choice of the right type of fertilizer granulation machine depends on factors such as the type of organic materials being used, the desired granulation rate, and the specific requirements of the production process. In this page, we will explore some of the commonly used types of fertilizer granulation machines and their unique features that make them suitable for different applications in the fertilizer industry.

Disc Granulator

The disc granulator is a popular type of organic fertilizer granulation machine in the fertilizer industry. Its working principle involves a pelleting pan rotating at an adjustable speed, rolling and balling the raw materials inside the pan to form granules. This process ensures a high granulation rate of over 93%.

One of the key advantages of the disc granulator is its innovative design. It is equipped with a spray system that helps maintain the moisture content of the materials during the granulating process. This ensures that the granules have the desired moisture level for optimal fertilizer quality.

Additionally, the disc granulator comes with a scraper that helps remove sticking fertilizer from the pan. This prevents clogs and improves the granulating rate by ensuring that the materials are evenly distributed in the pan.

Moreover, the disc granulator is designed with a compact structure, making it easy to operate and maintain. Its service life is extended due to its robust construction, and it features a beautiful appearance.

Double Roller Extrusion Granulator

The Double Roller Extrusion Granulator is a highly efficient machine designed for small-scale compound fertilizer manufacturing plants. It is recognized for its compact structure and outstanding performance in producing various shapes of fertilizer granules.

This granulator operates by squeezing the raw materials between two rollers, creating strong pressure and forming dense granules. Its unique design allows for the production of high-quality granules with excellent strength and uniformity.

The Double Roller Extrusion Granulator requires raw materials with a moisture content under 15% for optimal results. This ensures that the granules are formed effectively and prevents issues like sticking or clogging during the granulation process.

Thanks to its compact structure, this granulator is easy to operate and maintain. It occupies minimal space, making it ideal for small-scale fertilizer manufacturing plants with limited working areas.

Rotary Drum Granulator

The Rotary Drum Granulator is a wet granulation machine utilized in the fertilizer industry for producing both granular organic fertilizer and compound fertilizer pellets.

At the core of the Rotary Drum Granulator is the main body, which rotates to utilize centrifugal force and steam. This combination transforms powdery organic fertilizer into uniformly shaped pellets.

One of the unique features of this granulator is its open-end design, which enables simultaneous feeding and discharging. This allows for a continuous and efficient granulation process.

Another noteworthy feature is the special rubber lining inside the drum. This lining prevents the organic fertilizer from sticking to the wall of the drum, optimizing the granulation process.

Durability is also a key aspect of the Rotary Drum Granulator. It is constructed using medium carbon steel plates and channels, ensuring a long service life even in demanding fertilizer production environments.

The Rotary Drum Granulator is an essential piece of equipment in any organic fertilizer or compound fertilizer manufacturing plant. Its ability to transform powdery fertilizers into high-quality, uniform pellets makes it a valuable asset in the production process.

Flat Die Pellet Mill

The Flat Die Pellet Mill is an essential piece of equipment in the fertilizer granulation process. Its working principle revolves around utilizing compression and extrusion forces to shape organic compost powders into high-quality granules.

During operation, the flat die pellet mill consists of a flat die and a roller. The powdery organic compost is evenly fed into the die hole, and as the roller rotates, it compresses the material against the die. This compression force generates heat, which softens the powders and allows them to be shaped into granules.

The compact structure of the flat die pellet mill ensures its stability and efficiency in the granulating process. Its high granulating rate enables the production of uniform and dense granules, suitable for use in both organic and compound fertilizer production.

Thanks to its versatility, the flat die pellet mill can handle various types of organic compost powders, including agricultural waste, animal manure, and kitchen scraps. It offers a cost-effective solution for small to medium-scale fertilizer production, making it a popular choice for fertilizer manufacturers and producers.

Organic Fertilizer Production Line

Designing an organic fertilizer production line involves careful consideration of the key components and their functions. These components work together to efficiently convert organic materials into high-quality fertilizer.

One important component is the self-propelled compost turner, which helps aerate and mix the organic materials. This promotes the decomposition process and accelerates the production of compost. The horizontal mixer is another crucial component that blends different organic materials together, ensuring a balanced nutrient content in the fertilizer.

The high moisture crusher is used to crush organic materials with high moisture content. It helps to break down the materials into smaller particles, making them easier to handle and ferment.

Next, the new type bio fertilizer granulator is used to convert the composted materials into granules. This granulator effectively compresses and shapes the compost, improving its fertilizer efficiency. The rotary drum screen is then used to separate the fine particles and impurities from the granules, resulting in high-quality organic fertilizer.

Lastly, the automatic fertilizer granules packager simplifies the packaging process, ensuring accurate and efficient packaging of the finished fertilizer.

Applications of Fertilizer Granulation Machines

Fertilizer granulation machines have various applications in the production of organic fertilizer, bio organic fertilizer, and compound fertilizer. These machines play a crucial role in the fertilizer manufacturing industry, making them essential for every fertilizer manufacturer.

In the production of organic fertilizer, fertilizer granulation machines are used to convert organic materials, such as agricultural waste, animal manure, and kitchen scraps, into granules. This process not only improves the efficiency of the fertilizer but also facilitates its application and storage.

For bio organic fertilizer production, fertilizer granulation machines are used to mix and granulate the organic materials that have gone through the composting process. This creates a nutrient-rich fertilizer that is beneficial for plant growth and soil health.

Compound fertilizer production also relies on fertilizer granulation machines. These machines blend different components, such as nitrogen, phosphorous, and potassium, along with other micronutrients, to create a balanced fertilizer that meets specific plant requirements.

Fertilizer granulation machines can be used for both wet and dry granulation methods. Wet granulation involves adding a liquid binder to the materials, which then helps to form the granules. Dry granulation, on the other hand, does not require the use of any liquid binder, making it a more cost-effective method.

Raw Materials Used for Fertilizer Production

In the production of fertilizers, various raw materials are used to create nutrient-rich blends that promote the growth and health of plants. These raw materials can include organic materials, such as agricultural waste, animal manure, and kitchen scraps, as well as inorganic materials like diammonium phosphate and other micronutrients.

The choice of raw materials depends on the specific type of fertilizer being produced, whether it is organic or compound. Organic fertilizers use natural materials that are rich in nutrients and help improve soil health, while compound fertilizers combine different components to meet specific plant requirements.

By carefully selecting and blending these raw materials, fertilizer manufacturers can create customized fertilizers that provide the necessary nutrients for optimal plant growth.

Organic Materials

Organic materials play a vital role in the production of organic fertilizers. They can be derived from various sources, such as animal manure, industrial waste, and food waste.

Animal manure, such as chicken, cow, and pig manure, is widely used in organic fertilizer production due to its rich nutrient content. It provides essential macronutrients like nitrogen, phosphorus, and potassium, as well as micronutrients and organic matter. These nutrients promote healthy plant growth and improve soil fertility.

Industrial waste, including municipal sludge, is another valuable organic material for fertilizer production. Municipal sludge contains a significant amount of organic matter and nutrients, making it an excellent source for organic fertilizer production.

Food waste from restaurants or dining halls is also becoming popular as an organic material for fertilizer production. This waste is rich in nutrients and helps reduce the amount of waste going to landfills.

Inorganic Materials

Inorganic materials play a crucial role in the production of fertilizers, providing essential nutrients for plant growth. These materials are chemically synthesized and have specific compositions to meet the nutritional needs of crops.

One commonly used inorganic material is urea. It is a nitrogen-rich fertilizer that stimulates leaf and stem growth. Urea is highly water-soluble, making it easily absorbed by plants. Another popular nitrogen fertilizer is ammonium nitrate, which provides both nitrogen and ammonium ions, ensuring a gradual release of nutrients. Ammonium sulfate is also widely used as a source of nitrogen and sulfur, promoting healthy plant development and improving protein synthesis.

Monoammonium phosphate (MAP) is an inorganic material that supplies phosphorus and ammonium. It is highly effective in promoting root development and enhancing fruit and flower formation. Similarly, diammonium phosphate (DAP) is a granular fertilizer containing nitrogen and phosphorus, promoting strong plant growth and enhancing overall crop yield.

These inorganic materials are carefully formulated to provide the necessary nutrients for plants, taking into consideration factors such as solubility and nutrient ratios. When used in combination with organic materials, they create balanced fertilizer blends that cater to specific crop requirements.

Different Types of Organic Fertilizers

Organic fertilizers are a crucial part of the fertilizer industry, providing essential nutrients to plants in a natural and sustainable manner. There are several types of organic fertilizers commonly used, each with their own unique characteristics and benefits.

1. Compost

Compost is created by decomposing organic matter such as kitchen scraps, yard waste, and manure. It enriches the soil with beneficial microorganisms, improves moisture retention, and enhances soil structure.

2. Manure

Animal manure, such as cow, horse, or poultry manure, is rich in organic matter and nutrients like nitrogen, phosphorus, and potassium. It improves soil fertility, promotes healthy plant growth, and enhances nutrient absorption.

3. Bone Meal

Bone meal is made from ground animal bones and is a fantastic source of phosphorus, which is vital for root development, flower, and fruit formation. It is particularly beneficial for flowering plants, fruits, and bulbs.

4. Fish Emulsion

Fish emulsion is obtained from the byproducts of fish processing. It is a rich source of nitrogen and other essential nutrients. It promotes rapid leaf and stem growth, improves overall plant health, and enhances the nutrient content of the soil.

5. Seaweed Extract

Seaweed extract is derived from seaweed or kelp and is rich in trace minerals, amino acids, and plant growth hormones. It stimulates plant growth, increases resilience to environmental stresses, and improves nutrient uptake.

Organic fertilizers have the advantage of being environmentally friendly, promoting soil health, and providing long-lasting benefits. By using different types of organic fertilizers, farmers can customize their nutrient profiles to meet specific crop requirements, ensuring healthy growth and high yields.

Characteristics of Different Types of Equipment

Fertilizer granulation machines play a crucial role in the production of granular fertilizers, which are highly valued in the fertilizer industry. These machines are designed to transform organic materials into granules, making them easier to handle, store, and apply to crops.

There are several different types of fertilizer granulation equipment available in the market, each with its own unique characteristics and advantages. Understanding the characteristics of these different types of equipment is essential for fertilizer manufacturers and producers to choose the most suitable option for their specific needs.

In this page, we will explore the characteristics of some popular fertilizer granulation machines, including disc granulators, double roller extrusion granulators, rotary drum granulators, and flat die granulators.

We will delve into factors such as granulation rate, production capacity, equipment design, moisture content, and cost of drying process, providing valuable insights for those looking to invest in fertilizer granulation equipment.

Disc Granulator

The disc granulator is a highly efficient machine used for granulating various materials such as organic fertilizer powder. It is characterized by its solid construction and easy operation, making it an ideal choice for fertilizer manufacturers.

One of the key features of the disc granulator is its high granulation rate, which can reach up to 93%. This means that a large percentage of the materials being granulated will form into granules, resulting in less waste and higher productivity. Additionally, the disc granulator ensures the uniformity of the granules, which is crucial for the quality of organic fertilizer production.

To achieve this uniformity, it is important to ensure the quality of the organic fertilizer powder. This can be done by using screening machines that eliminate impurities and ensure the consistency of the powder. By removing any uneven particles or foreign material, the screening machines help in achieving a higher quality end product.

The disc granulator is available in different models to cater to the varying needs of the fertilizer industry. These models are designed to handle different production capacities, ranging from small-scale operations to large-scale commercial fertilizer production.

Double Roller Extrusion Granulator

The Double Roller Extrusion Granulator is a highly efficient machine that is ideal for small-scale compound fertilizer manufacturing plants. Its compact structure makes it easy to install and operate, while its production capacity meets the needs of small-scale fertilizer production.

This granulator works by extruding two roller sheets, which crush the raw materials and shape them into fertilizer granules. The unique design of the roller sheets allows for the production of granules with customizable shapes and diameters. This feature is particularly beneficial for fertilizer manufacturers who want to produce granules with specific characteristics to meet market demand.

To achieve the desired granule shape and size, it is important to use raw materials with a moisture content under 15%. This ensures that the materials can be effectively extruded and formed into high-quality granules. By choosing the Double Roller Extrusion Granulator, fertilizer manufacturers can have full control over the shape and size of their fertilizer granules, resulting in a more tailored product for their customers.

How to Choose Fertilizer Granulation Machines

When choosing fertilizer granulation machines, several factors need to be considered to ensure the best performance and efficiency. One important factor is the type of machine suitable for the specific fertilizer production requirements.

There are different types of fertilizer granulation machines available in the market, each with its own characteristics. The disc granulator, for example, is known for its high granulation rate and versatility in handling a wide range of organic and compound fertilizers. It is compact in structure and easy to operate, making it suitable for small to medium-scale fertilizer production.

Another popular choice is the double roller extrusion granulator, which utilizes two roller sheets to crush and shape the raw materials into fertilizer granules. It offers the advantage of customizable granule shapes and sizes, making it ideal for fertilizer manufacturers who want to meet specific market demands.

The rotary drum granulator is another widely used machine that produces uniform and high-quality granules. It has a large production capacity and is capable of handling various raw materials.

When selecting a fertilizer granulation machine, it is essential to consider criteria such as production capacity, raw materials, and granulation rate. The production capacity should meet the desired output, while the machine should be compatible with the specific raw materials used. Additionally, a high granulation rate ensures the production of quality granules.

By carefully evaluating these factors, fertilizer manufacturers can choose the most suitable granulation machine to optimize their production process.


Ainuok Is A Leading Fertilizer Machine Manufacturer

Your Best Fertilizer Machine Manufacturer and Fertilizer Machine Supplier in China

Best Fertilizer Equipment Manufacturer

Founded in 2010, Anyang Ainuok Machinery Equipment Co., Ltd is specialised in the research, development, production and sales of all kinds of fertilizer making machines for more than 10 years.

We have got quality certifications of ISO9001, SGS, and CE etc. Machine color, logo, design, package, carton mark, manual etc can be customized!

With a production ability of 5000 sets per year, AINUOK is the largest fertilizer making machine factory in China.

Fertilizer making machines have been exported to South Korea, Mongolia, Malaysia, Bangladesh, India, Indonesia, Poland, Nigeria, Tanzania, South Africa, Canada etc 120 countries and districts.

Warmly welcome clients to visit Ainuok factory.

Our Team, Certificates, Clients

We Are Leading International Fertilizer Machine Manufacturer In The World

Our Team

Dinner Party

Our Team

Working Together

Our Team

Outdoor Travel







Clients Visiting


Clients Visiting


Clients Visiting


Ainuok Fertilizer Machine Manufacturer

13 Years Of Undefeated Success

Ainuok has been focusing on the production of compound fertilizer production lines and organic fertilizer production lines for over 13 years.

Ainuok is the best Fertilizer Machine Manufacturer in China.


10,000 square meters plant for fertilizer machines with more than 125 workers


30+ engineers with 13+ years of manufacturing experience


Customized according to your needs


13 years of export experience, familiar with the export processes and documents


Fertilizer machines had been sold in 120 countries. Welcome to apply for a local distributor


1 year free warranty, support customization, 7*24 online service consultation

Learn More From

Frequently Asked Questions

A NPK compound fertilizer production line is a set of equipment used to produce NPK compound fertilizers, which are fertilizers containing nitrogen, phosphorus, and potassium in specific ratios to promote plant growth and increase crop yields.

The NPK compound fertilizer production line typically involves several stages, including raw material preparation, mixing and granulation, drying and cooling, screening and packaging. During the process, different raw materials are mixed in specific proportions and then granulated into small particles, which are then dried, cooled, screened, and packaged.

The main components of a NPK compound fertilizer production line include crushers, mixers, granulators, dryers, coolers, screening machines, and packaging machines.

The production capacity of a NPK compound fertilizer production line varies depending on the size and configuration of the equipment. Some production lines can produce several tons of fertilizer per hour, while others may produce several hundred tons per day.

The benefits of using a NPK compound fertilizer production line for crop production include increased crop yields, improved soil fertility, and reduced fertilizer costs. NPK compound fertilizers provide a balanced and targeted nutrient supply to plants, which can help increase their growth, yield, and quality. Additionally, using a NPK compound fertilizer production line allows farmers to customize the nutrient ratios to meet specific crop needs and optimize fertilizer use efficiency.

Request a Quote

Ready to Work Together? Build a Fertilizer Machine Project with us!

All form data will be kept strictly confidential!Please rest assured.

All form data will be kept strictly confidential! Please rest assured ❤

Scroll to Top

Tell Us Your Needs

All form data will be kept strictly confidential!Please rest assured ❤