Cách chọn Granulator Phân bón?

Granulators have many models for different production requirements. Choose the one that suits you!

Cách chọn Granulator Phân bón

Hạt is one of the main equipment for processing finished fertilizer. And in the face of all kinds of granulating machines on the market nowadays, how to choose fertilizer granulator becomes a heated issue for the new investors who are involved in the fertilizer production business. This page will provide references for the initiates in the fertilizer industry.

What Factors Do You Need to Take Into Account in The Selection of A Pelletizer?

. Focus on Granulation Techniques Dry Granulation vs Wet Granulation

1. Dry Granulation Machines

The moisture of the material is the primary control index for the pelletizing process. Cho một điều, dry granulation manufactures fertilizer pellets with relatively low material moisture. Nói chung, the moisture content is less than 10% as a critical value, and there are very few materials can reach 16%.

Ví dụ, extrusion granulatorS (Máy tạo hạt phẳng roller extrusion granulator) apply this method for the production of pellets in variable shapes. Compared with the wet granulation, it has lower energy consumption and equipment cost. Bên cạnh đó, it doesn’t require the máy sấyS or binders to affect the nature of the materials.

Dry Granulator
Wet Granulators

2. Wet Granulation Machines

For another thing, wet granulators are equipped with sprinkle system. Hơn thế nữa, we greatly recommend conditional fertilizer plants to utilize steam humidification for better granulation effect. Sau đó, the following way is hot water granulation, which is superior than cold water granulation.

Quan trọng hơn, wet granulation refers to the production of fertilizer particles containing 20-40% moisture, which are mostly in the form of balls. Hơn nữa, wet granulation has a variety of equipment: new kiểu organic fertilizer granulator, rotary drum churning granulator, Máy tạo hạt rotary Trống Granulator.

. Focus on Physical Properties of Raw MaterialS

Materials for Disc GranulatorDouble Roller Granulator Materials

Nói chung là, before granulating, the size of feeding material should be less than 300 meshes which can be pelletized by rotary type granulators, chẳng hạn như Churning Granulator, Trống GranulatorMáy tạo hạt.

Flat die granulator hoặc rotary roller extrusion granulator can make granules from materials with large size, forming difficulty and great hardness.

Materials for New Type Organic Fertilizer GranulatorExtrusion Granulator Materials

Light powder materials, chẳng hạn như phân gia súc, coal dust, clay, Và kaolin, require the addition of water or a binder to be formed granules. They can be granulated by a new type organic fertilizer granulator, Máy tạo hạt, hoặc Granulator trống quay. All of these machines have liquid spraying device.

Hơn nữa, the extrusion granulator is suitable for granulation of non-viscous particles to avoid clinging to the roller sheet and affecting the working situation. Ví dụ, the equipment can use to dispose crude fiber materials, which are difficult to form with low adhesion, such as sawdust, rice husk, cotton stalks, cottonseed skins, weeds and other crops, straw and plant waste.

. Focus on Finished Products Requirements

1. Fertilizer Category

  • If you want to produce organic fertilizer pellets, các loại máy tạo phân bón hữu cơ loại mớiMáy tạo hạt phẳng will be your favorable choice.

  • If you want to produce compound fertilizer granules, Bạn có thể sử dụng Granulator trống quayrotary roller extrusion granulator.

  • Những gì nhiều hơn nữa, các Máy tạo hạt can produce both organic fertilizer and compound fertilizer.

Dây chuyền sản xuất phân bón hữu cơDây chuyền sản xuất phân bón hợp chất
Fertilizer Granules

2. Fertilizer Granular Size

The particle size of the product obtained varies greatly depending on the granulation method. Ví dụ, rolling granulation commonly make pellets in the small and uneven size, usually 0.3-3mm, chẳng hạn như Trống Granulatorpan granulator. Nevertheless, the extrusion granulator make the size of the particles small and uniform through the mold, generally 2-10mm.

Hơn thế nữa, other granulators can change the particle sizes by adjusting different parameters. Let’s take the Máy tạo hạt as an example!

How to Control The Particle Size of Disk Granulator?

Trước hết, the smaller the granules, the quicker the disc pelletizer rotates. Kết quả là, you can adjust the granule size by varying the rotating speed.

Thứ hai, the size of the particles is also affected by the installation angle of the disk granulator. Cũng, the smaller the granules, the greater the inclined angle. Vì thế, by modifying the angle, you can regulate the size of pellets.

Thứ ba, modifying the humidity may influence the size of the granules. Hơn thế nữa, the higher the humidity, the larger the particles. Vì thế, you can control the particle size by adjusting the humidity. What calls for special attention is that different materials have different effects on the particle size, so it is necessary to adjust according to the specific situation.

3. Fertilizer Shape

Spherical pellets are processed by disc granulator, new kiểu organic fertilizer granulatorChurning Granulator with high granulation rate, but Trống Granulator’s pelleting rate is low, chỉ một 70%. At present, large and medium scale fertilizer production factories mostly use rotary drum granulation machine. There are also some factories will connect disk granulator with Trống Granulator for secondary granulation, with better results.

Flat die granulator produces columnar granules.

Rotary roller extrusion granulator can make pillow shape, Hình dạng hình bán nguyệt, hình dạng dính, Hình dạng viên thuốc, Hình dạng quả óc chó, flat ball shape and square bar shape. If you want spherical fertilizer granules, we recommend you to add Phân bón hữu cơ polishing machine.

. Focus on Capacity

If the output is 1-3 tấn mỗi giờ, we suggest to choose Máy tạo hạt phẳng hoặc rotary roller extrusion granulator. If you require high effect of granules, you may choose the latter one.

For small production lines with an output of 4-8 tấn mỗi giờ, we recommend choosing Churning Granulator hoặc Máy tạo hạt. If you want better effect on the granules, you should choose the former. If you prefer high production efficiency, we advise you to install more than two disc pelletizers because of the low cost.

Các drum pelletizer is generally ideal for professional medium and large organic fertilizer manufacturing plants with output requirements ranging from 9 ĐẾN 30 tấn mỗi giờ. If you require high capacity and good shape of the pellets, you can choose the rotary drum churning granulator.

Nói cách khác, if you own a small or medium scale fertilizer factory with an annual capacity of 5,000-20,000 tấn, we propose a high-quality, low-cost Máy tạo hạt phẳngMáy tạo hạt. Hơn nữa, if you run a large fertilizer plant with an annual output of more than 50,000 tấn, we recommend purchasing a Granulator trống quay directly. Because it is specifically designed to produce fertilizer granules on a greatly large scale and is more time-saving, có hiệu quả, and energy-efficient than several churning granulators working at the same time.

. Focus on Investment Costs

We strongly recommend you to choose flat die pelletizerroller extrusion pelletizer because they are small in size, save civil construction cost and have good economic efficiency. They produce pellets in room temperature, without dryer and cooler, and have no environmental pollution. Trong khi đó, they have high granulation density, high organic matter content and good fertilizer efficiency.

If you do not have a large budget and have severe environmental protection standards, we recommend that you choose a disc pelletizer, which has a low cost, low civil construction cost, a specific output, and can work more than one at the same time.

Kết luận, when choosing a right granulator, the fertilizer manufacturers need to consider their output and production cost. The granulation production process, in addition to the physical properties of the materials, is also closely related to the type and mechanical features of the granulation equipment.

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