Features of the Bio-Organic Fertilizer Production Line

fertilizer granulator Aug 19, 2025

Based on the core principle of “transforming waste into treasure,” the bio-organic fertilizer production line has established a unique production system that differentiates it from traditional chemical fertilizers and has become a key force in promoting the green transformation of agriculture. Its core advantage lies in transforming agricultural waste into functional fertilizers rich in active bacterial communities, achieving both ecological and economic benefits.

A notable feature is its diverse raw material system. The production line can process a variety of organic wastes, including livestock and poultry manure, crop straw, and food waste. Through pretreatment processes such as crushing and mixing, the carbon-nitrogen ratio of each material is adjusted to an optimal range for fermentation. For example, mixing chicken manure with corn straw in a specific ratio not only balances the composting rate of high-nitrogen raw materials, but also utilizes straw fiber to improve fertilizer permeability and enhance fermentation efficiency.

Intelligent control of the fermentation process is the core technology. It utilizes trough-type turning and constant-temperature fermentation technology. Sensors monitor the temperature, humidity, and oxygen content of the compost in real time. When the temperature is too high, the turning and turning system is activated to ensure that the thermophilic bacteria thrive within the optimal range. This precise control significantly shortens the material composting cycle and completely eliminates pathogens and weed seeds, achieving harmless treatment.

The functional complexity of the finished products of the biological organic fertilizer production line forms market competitiveness. After secondary aging and low-temperature drying, the finished product not only retains rich organic matter but also contains active functional bacteria such as phosphate- and potassium-solubilizing bacteria and Bacillus subtilis. Field trials have shown that continuous application of bio-organic fertilizer can increase soil organic matter content, reduce the use of chemical pesticides in greenhouse vegetable cultivation, and improve crop quality.

This “waste-resource-product” closed-loop model not only addresses agricultural non-point source pollution but also provides a natural solution for soil remediation. Driven by policies to reduce the use of chemical fertilizers and increase their efficiency, bio-organic fertilizer production lines are becoming a crucial link between ecological protection and food security, opening up new paths for sustainable agricultural development.

Where are flat die granulators used?

fertilizer granulator Aug 19, 2025

With its unique extrusion molding principle, flat die granulators have demonstrated strong application potential in a variety of fields, making them an ideal choice for small- and medium-scale production. Their core structure consists of a flat die and a pressure wheel. The rotation of the pressure wheel squeezes the material through the die holes, forming cylindrical pellets. This simple and direct operation gives them wide applicability.

Flat die granulators perform exceptionally well in fertilizer production lines. When processing bio-organic fertilizers, they can directly pelletize wet fermented materials without the need for additional drying pretreatment, preserving the activity of beneficial bacteria while streamlining the production process. For nitrogen, phosphorus, and potassium compound fertilizers, their powerful extrusion capabilities can compress mixed powders into high-strength pellets, effectively eliminating the clumping problem associated with traditional pelleting. They are particularly suitable for producing high-concentration specialty fertilizers.

Flat die granulators are also essential for the feed processing industry. For poultry and livestock feed, they can compress raw materials such as straw powder and soybean meal into pellets, reducing feed losses during transportation. High-temperature extrusion kills parasite eggs in the raw materials, enhancing feed safety. In aquatic feed production, pellet density can be controlled by adjusting die hole size to meet the feeding needs of fish in different water layers.

In the environmental protection field, flat die granulators are a valuable aid in solid waste treatment. They can compress municipal sludge, agricultural and forestry waste, and other materials into fuel pellets, realizing waste resource utilization. These pellets have high combustion efficiency and low pollutant emissions, providing new ideas for the development of new energy sources.

The flat die granulator‘s advantages also lie in its flexible operation. By simply replacing dies with different apertures, a wide range of pellet specifications can be produced to meet the needs of diverse industries. The equipment also occupies a small footprint and is easy to install and maintain, making it suitable for small and medium-sized enterprises. As the concept of green production becomes increasingly popular, the flat die pelletizer, with its high efficiency, energy conservation, and versatility, continues to provide a reliable solution for material forming in various fields.

What are the main components of an organic fertilizer production line?

fertilizer granulator Aug 18, 2025

Those familiar with organic fertilizer production lines can generally identify their components, but for those new to the industry, this may seem a bit vague. Today, Zhengzhou Huaqiang Heavy Industry will share with you the components of an organic fertilizer production line.
The crushing section of an organic fertilizer production line. Given the diversity of user raw materials, our organic fertilizer production line equipment is designed with a crushing section. During the equipment sales process, we found that many users use relatively dry chicken manure or pig manure as raw materials, and some even mix in other raw materials to reduce organic fertilizer production costs. Raw materials with excessively large particle sizes cannot be directly granulated. Therefore, before granulation, the raw materials must be crushed to achieve the desired granulation effect before they can be fed into the organic fertilizer granulator. Of course, for users with sufficiently fine raw materials, this step can be omitted when designing organic fertilizer equipment.
The granulator section of an organic fertilizer production line is the core component of the equipment, making it an essential component. The model of granulator to be selected depends on the user’s production volume. The drying section of the organic fertilizer production line. The granulation process requires that the material humidity be kept below 25%. Therefore, raw materials with an initial humidity above 25% should first enter the drying process, and then enter the granulation process after the dried material reaches the required humidity. Of course, users with sufficient material humidity can omit this step when designing organic fertilizer equipment.
In other parts of the organic fertilizer production line, after the pelletizer completes the processing, it is conveyed by a belt conveyor to a ball shaping machine for shaping, achieving a perfectly spherical shape and forming organic fertilizer granules. For users who require it, we can design a final packaging process to directly package the final product, thus achieving perfect automation of the entire fertilizer granulation process.

The unique working principle of the double roller press granulator

fertilizer granulator Aug 16, 2025

The reason why the double roller press granulator can occupy an important position in the organic fertilizer granulation equipment is inseparable from its unique working principle, which also allows it to show many advantages.  Its working process is clear and straightforward. First, the pre-treated dry powder raw material is conveyed between two relatively rotating rollers. The surface of this pair of rollers is usually provided with specific lines or grooves. Under the action of strong extrusion force, the raw material is tightly squeezed to form continuous flakes. These flakes then enter the crushing device and are crushed into particles of different sizes. Next, the particles will go through the screening stage, and the fine powder or large particles that do not meet the requirements will be separated and sent back to the granulation system, while the qualified particles will become the final product.

This working principle brings significant advantages. There is no need to add a lot of water, and the subsequent drying step is omitted, which not only saves energy, but also maintains the original nutritional content of the raw materials. The whole process is coherent and efficient, from the entry of raw materials to the output of qualified particles, which can be completed in one go and quickly meet production needs. At the same time, due to the physical extrusion granulation, it has strong adaptability to raw materials, and a variety of organic raw materials can be made into granules in this way.

The double roller press granulator has become an efficient and practical granulation choice in the organic fertilizer production line due to its scientific working principle, helping producers improve efficiency and ensure quality.

How to choose a suitable fertilizer granulator?

fertilizer granulator Aug 16, 2025

In the field of fertilizer production, it is very important to choose the right granulator, which directly affects product quality, production efficiency and corporate benefits. Faced with a wide range of fertilizer granulators, how to choose?

Raw material characteristics are the primary consideration. For processing high-humidity materials such as livestock and poultry manure, the rotary drum granulator can meet the needs; fiber raw materials such as straw have high hardness, and the high-pressure molding technology of the double roller press granulator can ensure the compactness of the particles.

The scale of production needs to be considered. Large production lines have a large daily output demand, and the rotary drum granulator has become the first choice due to its continuous operation ability. It can be adapted to 10,000-ton organic fertilizer projects to meet high-intensity production. Medium-sized enterprises can choose a disc granulator, which can balance efficiency and cost and is suitable for the production of 10-20 tons of compound fertilizer per day. For small workshops or laboratories, the flat die granulator is flexible to operate, occupies a small area, and can easily cope with small batch production.

The requirements for particle quality also affect the choice of granulators. If spherical particles with a high ball formation rate are required, the disc granulator is an ideal choice. The organic fertilizer particles it produces are round and have good commercial properties. For high-strength columnar particles, the double roller press granulator has a good molding effect, high particle hardness, and is not easy to break. The ring die granulator can flexibly switch molds and produce particles of different shapes and sizes to meet diverse needs.

From the perspective of process and economy, in the dry production process, the double roller press granulator does not need to add water, reduces the drying process, and reduces energy consumption. In wet production, the rotary drum granulator and the drying equipment work well together, which is suitable for large-scale continuous production. From the perspective of maintenance cost, the flat die granulator has fewer wearing parts and is easy to repair; although the hydraulic roller granulator has a higher initial investment, it is durable and has a lower long-term use cost.

Considering the above factors comprehensively, select the appropriate one from many models to make fertilizer production more efficient and higher quality.. 

Disc Granulator: The Core Powerhouse of Fertilizer Production

fertilizer granulator Aug 12, 2025

In modern fertilizer production lines, the disc granulator acts like a skilled “magician,” transforming various raw materials into perfectly uniform granules. As the core equipment for producing organic fertilizer, organic-inorganic compound fertilizer, chemical fertilizer, and biofertilizer, it is revolutionizing the entire fertilizer manufacturing industry.

When organic fertilizer processed by disc granulator is applied to soil, the organic matter content increases significantly, followed by an increase in soil organic nitrogen. This virtuous cycle not only improves soil structure but also creates an ideal environment for crop growth. The three major advantages of disc granulation—uniform particles, easy moisture control, and high granule strength—make it the preferred choice for fertilizer manufacturers.

The Ingenious Combination of Disc Granulation Line

A complete disc granulation production line is a perfect example of multiple precision equipment working in harmony. Each machine plays an indispensable role in ensuring the excellent quality of the final product:

1. Disc Granulator – The heart of the production line, responsible for transforming mixed materials into uniform granules

2. Horizontal Mixer – Ensures thorough and uniform mixing of various raw materials

3. Drum Screening Machine – Precise grading to ensure consistent particle size

4. Coating Machine – Provides a “protective coat” for granules to prevent caking

5. Multiple Silos Single Weigh Static Automatic Batching System – Accurately controls formula ratios

6. Automatic Packing Machine – Efficiently completes product packaging

Why Choose Disc Granulation Technology?

Compared with traditional granulation methods, disc granulation technology offers incomparable advantages. Its unique tilted rotating design creates ideal rolling motion of materials in the disc, resulting in uniform granulation. Operators can easily control particle size and moisture content by adjusting parameters such as disc inclination angle, rotation speed, and water spray volume to meet different customer requirements.

Even more exciting is the disc granulator’s strong adaptability to raw materials—whether powdered organic matter or chemical materials, it can handle them perfectly. This flexibility allows manufacturers to quickly switch between different product formulations to seize market opportunities.

Investing in a disc granulation production line is not just about purchasing equipment; it’s about injecting strong momentum into your company’s future development. In today’s world of increasingly stringent environmental requirements and booming organic agriculture, this efficient and flexible production system will become your secret weapon to conquer the market!

What precautions should be taken during organic fertilizer production?

fertilizer granulator Aug 6, 2025

The efficient operation and high-quality output of an organic fertilizer production line depend on precise control of production details. Attention to precautions in every step not only ensures product quality, but also improves production safety and stability, empowering green agriculture.

The fermentation process is a key quality control point. Precise control of the fermentation temperature is required. Real-time monitoring by the equipment ensures that the core temperature of the material remains within the appropriate range, which not only kills pathogens and insect eggs but also promotes microbial activity. Regularly turning the material ensures uniform oxygen supply and prevents localized anaerobic conditions that can cause odor and nutrient loss. The fermentation cycle must be strictly adhered to. If it is too short, composting will be incomplete, while if it is too long, nutrient loss can occur. Flexible adjustments are required based on the raw material ratio.

Equipment operation and maintenance are essential. Before starting equipment like crushers and granulators, check component integrity and bearing lubrication to avoid running them unloaded or overloaded. During operation, closely monitor abnormal signals such as current and noise. If any problems are detected, stop the machine immediately for investigation. Regularly clean residual material from the equipment to prevent caking and mold that could affect the next production run, extending the equipment’s service life.

Environmental protection and safety measures must be implemented. The production area is equipped with dust collection and exhaust gas treatment equipment to reduce dust dispersion and odor emissions. Operators must wear protective equipment and strictly adhere to operating procedures to avoid direct contact with fermentation materials or moving equipment parts. Fermentation wastewater must be treated before discharge to prevent environmental pollution and comply with environmental protection policies.

Product storage and testing must be standardized. Finished organic fertilizer should be stored in a well-ventilated and dry warehouse to prevent moisture and caking. Each batch of product is sampled and tested for nutrient content, heavy metal indicators, and other indicators to ensure compliance with national standards and enhance market acceptance.

Only by carefully controlling these precautions can the organic fertilizer production line consistently produce high-quality fertilizer, achieve a win-win situation for both environmental protection and profitability, and provide reliable support for sustainable agricultural development.                  

Sheep manure organic fertilizer production line

fertilizer granulator Dec 9, 2019

Sheep manure organic fertilizer production line:
First. Mix the sheep manure with the crop straw. The amount of the sheep manure depends on how much the water content of the sheep manure is determined. According to the fermentation process, the water content is required to be within 45%, that is, the material is kneaded into a mass, and the water can be seen. Will not drip down, loosen the group will spread out. Then, the cornmeal and the required strains are added. The reason for the cornmeal is that the sugar content can be increased to promote the rapid fermentation of the strain.

Second, the configured materials are added to the material mixer for mixing, and the mixing is required to be uniform and transparent, and no raw blocks are left.

Third, the mixed materials are piled in a fermentation tank or grooves with a width of 2 to 6 meters and a height of 1.0 meters to 1.5 meters, and are repeatedly turned over and thrown every other day using a compost turning machine.

Four, under normal circumstances, in the fermentation tank, the temperature will rise after stacking for 2 days, and it will be odorless after 2 days. After 3 days, it will become fluffy and loose. After 2 days, compost will emit fragrance, 15 days, it can be fat.
1. In the fermentation tank for 2 days, the temperature will rise to 60 ° C to 80 ° C, which will kill bacteria and remove insects.
2. On the fourth day in the fermentation tank, the odor is eliminated; then on the seventh day, the material in the tank will become loose, dry and covered with white hyphae.
3, fermented in the pool to the ninth day, the nine will emit a fragrance, basically similar to the koji.
4. Fermentation to the tenth day in the tank, the material will be fermented and cooked, and sufficient.
5. On behalf of the end of the fermentation stage, the material can be removed to the next step with a forklift or the like.

Five. The material moved by the forklift to the pulverizing process is pulverized by a semi-wet and high-humidity material pulverizer, and then mixed by a mixer machine, transported to fertilizer granulator machine by a conveyor, and granulated into granules, It is sent to the dryer by the belt conveyor, dried and dried, and then cooled into the cooler. Then the conveyor is sent to the screening machine for screening. The required particles of more than 95% will enter the next process, and about 5%. The granules are transported to the pulverizer for re-pulverization and granulation, and the granules that meet the standards are fed into the coating machine for coating. The coating can maintain the nutrients, and after coating, it is packaged by an automatic packaging machine. In this way, the sheep manure organic fertilizer is processed and packaged and can be sold in the warehouse.All the organic fertilizer production line is done.

How to Choose Suitable Fertilizer Granulator Machine

fertilizer granulator Dec 4, 2019

Granulating fertilizer with granulator makes it easy to store and sow. It is beneficial to the even distribution of nutrients and slow release the fertilizer efficiency. Different types of fertilizers, different sizes and shapes of fertilizer particles, and different granulators are used.

We can choose the right fertilizer granulator machine according to the specific function of the machine.

Rotary Drum Granulator

Drum Granulator is a larger production version of the disc granulator, make the fertilizer powder into round particles. It is suitable for hot and cold granulation and high, medium and low concentrations of mass production of fertilizer. The shell of the machine uses special rubber slab lining or acid-resistant stainless lining board which realizes auto scar removal and de-tumor instead of traditional drawknife equipment.

Disc Fertilizer Granulator

Disc Granulator, also called pan granulator, not only produce organic fertilizer, but also compound fertilizer. The disc bottom adopts multiple steel plates which are firm, durable, not deforming. The granulator’s main gears adopt high temperature quenching technology, doubling the service life. Granulation rate reaches above 93%.

Flat Die Extrusion Pelleting Machine

Flat die extrusion pelleting machine is used for granulation to all kinds of organic matter after fermentation, break through the conventional organic prilling before granulation needs not to dry and crush the raw materials. Pelleting machine can direct burdening to work out cylindrical grain, has better granulation effect on fertilizers containing more straw, can save a lot of energy.

New Type Organic Fertilizer Granulator

This Organic Fertilizer Granulator is used for making granulation of organic matter after fermentation, dedicated to the production of organic fertilizer granules. After fermentation organics don’t need to dry, it process fertilizer powder into granules, the organic content can be high to 100%. The granulator have the feature of simple machine structure, easy operation and maintenance, low power consumption.

Double Roller Press Granulator

Double roller press granulator is often used to manufacture NPK compound fertilizer, such as ammonium choride, ammonium sulphate, ammonium nitrate, diamonium phosphate, potassium Sulphate, magnesium sulfate, magnesium silicate, zinc sulphate, phosphorus pentoxide, etc. This machine diameter of the ball can be made according to the requirement of the customers. The roller press granulator machine have two shaft with one fixed and the other can move, which can adjust the distance between the two shafts, the materials will be extrude between the shafts.

For more information on how to choose granulator machine, please contact us. We are a well-known fertilizer machine manufacturer in China. We have many years of rich experience and we will try our best to give you a detailed answer.

How to Preventing Caking from the NPK Fertilizer Production Process

fertilizer granulator Nov 27, 2019

NPK compound fertilizer is prone to cake because of its strength, moisture content, storage and so on. This article will introduce how to prevent caking from the process operation of NPK fertilizer production process.

NPK fertilizer production equipment produce products with smooth and uniform particles

Non-uniform particles, too many fine particles, non-smooth fertilizer, the compressive resistance, wear resistance is also poor, easy to be compressed and deformed in storage and transportation. The contact area between particles increase, which is easy to agglomerate. In order to produce products with uniform and smooth particle size, appropriate fertilizer granulator machine should be selected. Disc granulator and rotary drum granulator can produce moderate size particles and meet the requirements. If there is a higher requirement for the shape of the particles, it can also be combined with the ball shaping machine to polish the particles to ensure that the shape is qualified.

Strengthening the control of screening machine

In order to ensure the consistency of particle size and reduce the caking of powder, the product needs to be screened. According to the particle size of the product, different screens can be selected, and secondary screening can be selected in the process. Pay attention to the material screening in production, timely clean the screen.

Dryer reduces product water content

NPK compound fertilizer has a high water content, which will lead to salt reaction and cause hardening. The higher the water content, the easier the particles to agglomerate. Therefore, the NPK compound fertilizer production line must use a dryer to reduce the moisture content to the allowable range.

After the particle is dried by the dryer, the temperature is higher and the hygroscopicity effect will appear, so it needs to be cooled. The cooler reduces the material temperature to room temperature, and the product can be saved.

Coating treatment is used in NPK fertilizer production process

Choose the suitable material and use the coating machine to coat the particles. At the same time, pay attention to the amount of wrapping agent added. The amount of wrapping agent added is small, the particles are not wrapped completely, the effect is poor; the amount of adding is large, the wrapping oil will infiltrate into the inside of the NPK fertilizer, and the product is easy to cake.