NPK Fertilizer Granulator: How to Create Highly Efficient and Nutritious Fertilizer?

With the increasing demand for precision fertilization in modern agriculture, NPK compound fertilizers, which provide a balanced supply of nitrogen, phosphorus, and potassium, are gaining popularity. NPK   fertilizer granulators  are the core equipment for converting multiple nutrients into high-quality granular fertilizers. Combined with other supporting fertilizer equipment, they enable efficient and standardized NPK fertilizer production.

Its accompanying  fertilizer equipment  further enhances the efficiency and standardization of NPK fertilizer production.

The NPK fertilizer granulator, with its precise granulation process, overcomes the drawbacks of traditional NPK fertilizers, such as their high moisture absorption and storage difficulties. It fully integrates a precisely proportioned blend of nitrogen, phosphorus, and potassium raw materials with a binder, and then produces uniformly sized granules through extrusion and rolling. These granules not only possess a moderate hardness and resist breakage, but also slowly release nutrients, extending the fertilizer’s effectiveness and ensuring longer-lasting absorption by crops. The advanced NPK fertilizer granulator is also equipped with an intelligent temperature control system that adjusts the temperature in real time based on the characteristics of the raw materials, ensuring consistent quality throughout each batch of granular fertilizer.

A complete  NPK fertilizer production line  requires the close coordination of other equipment. The raw material mixer precisely blends nitrogen, phosphorus, potassium, and trace elements to ensure a balanced fertilizer. The dryer quickly removes moisture from the granules, preventing them from clumping and spoiling. The cooler cools the hot granules to room temperature for subsequent packaging and storage. These devices, working in conjunction with the NPK fertilizer granulator, form a complete production line, from raw material mixing to finished product shipment, increasing NPK fertilizer production efficiency by over 50%.

With the growing adoption of green agriculture, NPK fertilizer granulators are constantly being upgraded. New equipment utilizes environmentally friendly materials to reduce pollution during production. Some models are also compatible with the addition of bio-inoculation agents, producing multifunctional NPK fertilizers that are more environmentally friendly.

Chain Plate Turner: The “Transformation Master” of Organic Waste

In the field of organic fertilizer production, the chain plate turner stands as an exceptional fertilizer production machine, performing like a magical “transformation master” that converts various organic wastes into valuable fertilizer resources. This versatile compost fertilizer machine isn’t picky about its inputs yet delivers highly efficient processing outputs, making it an indispensable component in modern organic fertilizer production lines. As a multifaceted fertilizer machine, it expertly handles the crucial composting phase, accelerating decomposition through regular turning that introduces essential oxygen while maintaining optimal temperature and moisture levels throughout the organic matter.

The Modern “Alchemy” Process

The working principle of the chain plate turner can be called modern “alchemy”. The circulating chain plates act like conveyor belts, while the sharp plow blades resemble a magician’s hands, continuously turning, mixing and crushing materials. During this process, oxygen is skillfully injected, temperature and humidity are precisely regulated, microorganisms obtain optimal activity conditions, and originally offensive waste begins its magical transformation.

Flexibility Advantage: Compared to trough turners, chain plate equipment isn’t limited by space and can process windrow materials in open areas, making it particularly suitable for large organic fertilizer production bases.

The Omnivorous Organic Waste Processor

This “transformation master” has an amazing “appetite” and “digestive capacity”:

  • Livestock manure:Easily handles sticky chicken/pig manure, breaks up compaction, eliminates odors, and kills parasite eggs
  • Crop straw:Sharp plow blades can shred baled straw, accelerating its degradation into fertile humus
  • Industrial waste:Particularly effective for high-moisture materials like distiller’s grains and herbal residues, quickly reducing water content
  • Municipal waste:Treating food waste and garden waste can significantly reduce landfill volumes
  • Qualified sludge:Can reduce sludge moisture content from 80% to below 60%, eliminating pathogens

Dual Expert in Environmental and Economic Benefits

The chain plate turner is not only an environmental guardian but also an economic benefit creator. Through large-scale continuous operation, it can convert various organic wastes into high-value organic fertilizer raw materials, solving waste disposal challenges while creating new economic value. In today’s increasingly important resource recycling, this “transformation master’s” value becomes ever more prominent.

The core role of chain crushers in organic fertilizer production

In the organic fertilizer production process, material crushing is a critical pretreatment step, and chain crushers, with their outstanding performance, are the preferred equipment for this purpose. Organic fertilizer raw materials often contain lumps or medium-hard impurities. Inadequate crushing can affect the efficiency of subsequent granulation and mixing processes, as well as the quality of the finished product. It can even lead to problems such as material jamming in the granulator and uneven granulation in the finished fertilizer.

Designed specifically for the characteristics of organic fertilizer, chain crushers can efficiently crush a wide range of organic fertilizer raw materials, including those with a certain degree of moisture and viscosity, addressing the clogging and incomplete crushing issues of traditional crushing equipment. High-speed rotating chains and hammers impact and shear the material, while an adjustable screen allows for easy control of the crushed material’s particle size, meeting the stringent fineness requirements of organic fertilizer production.

Furthermore, the equipment’s sturdy structure, with core components made of wear-resistant steel, can withstand long-term, intensive operation, minimizing production interruptions. This provides a strong guarantee for the stable operation of organic fertilizer production lines, helping companies improve the yield rate of finished fertilizers and production efficiency.

How to configure an organic fertilizer production line? Proper selection and matching of disc granulators

To build an efficient organic fertilizer production line, the proper selection of a disc granulator and its supporting equipment are crucial, directly impacting the overall production efficiency and product quality.

When selecting a disc granulator, the specifications of the disc granulator should be determined based on the production capacity requirements of the fertilizer production line. If the production line has a low capacity, a machine with a moderate processing capacity can be selected. If the production capacity requirements are high, a disc granulator with a high processing capacity should be used to ensure that the granulation process is compatible with the overall production capacity and avoid capacity bottlenecks.

Furthermore, the type of fertilizer being produced, such as organic fertilizer or NPK compound fertilizer, should be considered. Different types of fertilizer raw materials have different characteristics, so an appropriate disc granulator must be selected to ensure optimal granulation results.

The selection of supporting equipment is also crucial. In a fertilizer production line, a disc granulator must work in conjunction with other equipment such as a fertilizer crusher, mixer, screener, dryer, and packaging machine. The pulverizer crushes the raw materials to the appropriate particle size, preparing them for granulation; the mixer ensures that the raw materials are evenly mixed; the screening machine screens the granulated particles and separates unqualified particles; the dryer reduces the moisture content of the particles for easy storage; and the packaging machine completes the final product packaging.

The rational combination of these supporting equipment can form a complete and efficient fertilizer production process, improve the automation level and production efficiency of the entire production line, and create greater value for the enterprise.

How to Build the Perfect Fertilizer Production Line? Granulation is the Key!

In modern agricultural production, the quality of compound fertilizers directly affects crop yields and soil health. The segregation of components in multi-component mixed products has long been a technical challenge for fertilizer manufacturers. Excitingly, advanced granulation technology has successfully solved this problem across various production systems! This process is fundamental to both a standard npk fertilizer production line and sophisticated bio organic fertilizer production, converting raw materials into uniform granules to prevent component segregation. Whether it’s a complex organic fertilizer production line or a simpler bulk blending fertilizer line, this technology ensures quality stability. It boasts wide raw material adaptability, achieving ideal granulation effects for compound fertilizers, pharmaceuticals, chemical materials, or feed, fundamentally ensuring product consistency from batch to batch.

Why Choose Granulation Technology?

The most notable advantage of granulation technology lies in its excellent granulation rate, enabling the production of various concentrations and types of fertilizer products. From organic-inorganic compound fertilizers to biofertilizers, from high-concentration compound fertilizers to special functional fertilizers, an advanced granulation production line can handle them all with ease.

Imagine your production line could flexibly switch between producing different fertilizer formulations without worrying about component segregation or quality fluctuations—this is exactly the transformative advantage brought by granulation technology!

What Key Equipment Does a Complete NPK Fertilizer Production Line Include?

A complete modern NPK fertilizer production line is a perfect combination of multiple precision equipment:

  • Automatic batching machine– Precisely controls various material ratios
  • Belt conveyor– Achieves efficient and smooth material transportation
  • Mixer– Ensures thorough and uniform mixing of raw materials
  • Crusher– Processes materials to ideal particle size
  • Rotary drum granulator– Core granulation equipment for high-quality granule formation
  • Dryer– Removes excess moisture from granules
  • Cooler– Cools granules for subsequent processing
  • Screening machine– Grades and selects qualified granules
  • Coating machine– Enhances granule performance and prevents caking
  • Automatic packing machine– Achieves efficient and precise product packaging

This highly automated production line not only significantly improves production efficiency but, more importantly, ensures every fertilizer granule meets strict quality standards. From raw material processing to finished product packaging, every step is carefully designed to guarantee product consistency and reliability.

For fertilizer manufacturers pursuing excellence, investing in such a modern NPK fertilizer production line is undoubtedly a wise choice to enhance product competitiveness and win market share!

Paddle Mixer Pelletizer: The Artisan of Gentle Granulation

In the field of advanced granulation, the paddle-type mixing granulator stands out as a core fertilizer equipment. Like a skilled sculptor, it uses its unique “art of mixing” to shape loose materials into perfect granules. Also known as a tooth-type mixing granulator or a new type two-in-one organic fertilizer granulator, the paddle-type mixing granulator is a key equipment in fertilizer production, especially in biofertilizer production, where its gentle process effectively preserves the vitality of microorganisms. Unlike traditional extrusion molding, it relies on high-speed rotating blades to form granules through a natural balance between centrifugal force, friction, and viscosity, making it ideal for sensitive organic and biofertilizer formulations.

Core Advantage: No high-pressure extrusion required. The granulation process is like a “gentle massage,” especially suitable for protecting active ingredients and fiber structures, producing round and plump granules with particle size uniformity exceeding 90%.

Fertilizer Production: Organic Waste Transformation

Converts malodorous livestock manure into odorless granular organic fertilizer, solving caking issues

Gentle process ensures >85% microorganism survival rate, ideal for bio-organic fertilizer

Enables precise addition of trace elements for “customized” specialty fertilizers

Chemical Industry: Expert for Viscous Materials

Dyes and pigments achieve 50% better flowability after granulation, eliminating dust pollution

Uniform catalyst granule strength improves chemical reaction efficiency by 20%

Various chemical additives extend shelf life by 6-12 months after granulation

Pharmaceutical & Feed: Guardians of Quality

Chinese medicine granules retain up to 95% active ingredients, far surpassing traditional methods

Pharmaceutical excipients achieve 98% mixing uniformity after granulation

Aquafeed granules maintain integrity in water, improving feed conversion rate by 15%

From farms to factories, from medicine to feed, paddle mixer pelletizers are redefining granulation standards with their gentle process and excellent adaptability. They’re not just equipment, but an art form that perfectly combines material properties with processing techniques.

Windrow compost turners: The “Connecting Key” of organic fertilizer production lines

In organic fertilizer production lineswindrow compost turners play a crucial role, connecting raw material pretreatment with further processing. They are core equipment, providing strong support for the efficient operation of the production line.

From a process perspective, pretreated raw materials, after crushing, mixing, and adjusting the carbon-nitrogen ratio, are transported to the fermentation area and piled into windrows. The windrow compost turner efficiently turns the windrow compost to complete the fermentation process. The composted materials are then conveyed by conveyor to downstream processing stages such as crushing, granulation, and drying. This forms a continuous production chain of “pretreatment-fermentation-further processing,” avoiding process interruptions and ensuring high-quality raw materials for subsequent steps.


For large-scale production lines, this equipment is crucial for achieving continuous production. For example, in large-scale production lines with an annual production capacity of over 50,000 tons, windrow compost turners can employ a “multi-zone rotation” model, simultaneously serving multiple windrow zones for new material loading, high-temperature fermentation, and cooling and composting operations. The equipment operates on a fixed cycle, with an average daily processing capacity of 800-1500 tons, easily meeting the needs of large-scale production.

Furthermore, the equipment flexibly adapts to the production line’s rhythm, with its electronic control system enabling infinite adjustment of travel speed and tossing frequency. As the downstream pelletizer’s capacity increases, the tossing frequency can be increased to accelerate material maturation, ensuring that fermentation progress is synchronized with the overall production line rhythm, avoiding raw material backlogs or supply shortages and improving overall production line efficiency.

Windrow compost turners: The fermentation code for diverse organic raw materials

In organic fertilizer production, the diversity of raw materials often poses challenges to the fermentation process. Windrow compost turners, with their robust adaptability, are a key piece of equipment to address this challenge. They can efficiently process a variety of raw materials, including livestock and poultry manure, crop straw, industrial and municipal organic waste, and sewage sludge, providing a rich source of material for organic fertilizer production.

For livestock and poultry manure, such as chicken and pig manure, the windrow compost turner‘s powerful turning breaks down compaction. The ventilation and heating process kills pathogens and parasite eggs, while also reducing ammonia emissions and eliminating odors.

For coarse fiber materials like corn stalks and wheat straw, its turning components tear the straw into pieces, allowing it to blend evenly with other materials and accelerate degradation and composting.

For industrial organic waste, such as distiller’s grains and vinegar lees, and municipal waste, such as kitchen waste and fallen branches, the equipment continuously turns the waste to reduce moisture content, promote the growth of beneficial microorganisms, and ultimately recycle the waste.

Sludge that passes heavy metal testing can also be turned over to reduce its moisture content from 80% to below 60%, transforming it into a safe organic fertilizer. The diverse raw material processing capabilities of windrow compost turners make them a vital force in promoting the recycling of organic waste.

New Type Organic Fertilizer Granulator: High-Efficiency Equipment Empowering Multi-Sector Production

In response to the need for industrial upgrading, the new type organic fertilizer granulator (models YSL-60 to YSL-150) was developed by the Agricultural Machinery Research Institute. Leveraging its accumulated experience in compound fertilizer processing and its unique mixing and granulation method, it has become a practical device for granule production in various fields.

In terms of core technology, the new type organic fertilizer granulator utilizes high-speed rotating stirring teeth to stir, impact, and tumble the mixed material within the granulation drum. Friction, centrifugal force, and the material’s viscosity aggregate the material into granules, eliminating the need for complex extrusion equipment and making it suitable for high-viscosity or fibrous materials. Performance parameters include a production capacity of 1-8 tons/hour, motor power of 37-90 kW, and granule diameter of 1-5 mm. The YSL-60 produces 1-2 tons per hour, making it suitable for small and medium-sized operations; the YSL-150 produces 5-8 tons per hour, making it suitable for large-scale production.

It has a wide range of applications. In the fertilizer sector, livestock and poultry manure, straw, and other materials can be transformed into organic, bio-organic, and compound microbial fertilizers, eliminating caking issues while preserving bacterial activity and producing medium and trace element fertilizers. In the chemical industry, it can be used to granulate sticky raw materials; in the pharmaceutical industry, it can process traditional Chinese medicine granules; and in the feed industry, it can produce livestock and aquatic feed, achieving a “one machine for multiple uses.”

The core advantages are significant. Granulated particles are round and uniform, with good flowability, and are less prone to clumping during storage and transportation. Operation is simple, requiring only training. The low motor power and operating costs make the equipment affordable, making it suitable for small and medium-sized enterprises. Furthermore, it preserves fertilizer activity, extending its shelf life to 8-12 months, promoting the recycling of organic waste and achieving both economic and environmental benefits.

Daily maintenance requires three key points: regular inspections: daily inspection of the feed mechanism and transmission system; weekly inspection of agitator tooth wear; monthly bolt tightening and motor temperature monitoring; cleaning the granulation drum after production; lubricating transmission components according to specifications, and timely replacement of worn parts to ensure stable equipment operation.

This new type organic fertilizer granulator, with its multiple advantages in technology, performance and application, is providing strong support for production upgrades in agriculture, chemical industry, medicine, feed and other fields.

Chain Plate Turner: The “Transformation Master” of Organic Waste

In the field of organic fertilizer production, the chain plate turner stands as an exceptional fertilizer production machine, performing like a magical “transformation master” that converts various organic wastes into valuable fertilizer resources. This versatile compost fertilizer machine isn’t picky about its inputs yet delivers highly efficient processing outputs, making it an indispensable component in modern organic fertilizer production lines. As a multifaceted fertilizer machine, it expertly handles the crucial composting phase, accelerating decomposition through regular turning that introduces essential oxygen while maintaining optimal temperature and moisture levels throughout the organic matter.

The Modern “Alchemy” Process

The working principle of the chain plate turner can be called modern “alchemy”. The circulating chain plates act like conveyor belts, while the sharp plow blades resemble a magician’s hands, continuously turning, mixing and crushing materials. During this process, oxygen is skillfully injected, temperature and humidity are precisely regulated, microorganisms obtain optimal activity conditions, and originally offensive waste begins its magical transformation.

Flexibility Advantage: Compared to trough turners, chain plate equipment isn’t limited by space and can process windrow materials in open areas, making it particularly suitable for large organic fertilizer production bases.

The Omnivorous Organic Waste Processor

This “transformation master” has an amazing “appetite” and “digestive capacity”:

  • Livestock manure:Easily handles sticky chicken/pig manure, breaks up compaction, eliminates odors, and kills parasite eggs
  • Crop straw:Sharp plow blades can shred baled straw, accelerating its degradation into fertile humus
  • Industrial waste:Particularly effective for high-moisture materials like distiller’s grains and herbal residues, quickly reducing water content
  • Municipal waste:Treating food waste and garden waste can significantly reduce landfill volumes
  • Qualified sludge:Can reduce sludge moisture content from 80% to below 60%, eliminating pathogens

Dual Expert in Environmental and Economic Benefits

The chain plate turner is not only an environmental guardian but also an economic benefit creator. Through large-scale continuous operation, it can convert various organic wastes into high-value organic fertilizer raw materials, solving waste disposal challenges while creating new economic value. In today’s increasingly important resource recycling, this “transformation master’s” value becomes ever more prominent.