How To Do Dry Granulation, Two Dry Granulation Equipment For Sale

What is the Dry Granulation Process?

Dry granulation is a granulation process in which raw powder is directly compressed into granules by mechanical extrusion. Usually refers to a granulation process that does not require the addition of liquids in the granulation process. The dry granulation process is widely used in pharmaceutical, food, chemical, and other fields. The dry granulation method is based on the principle of dry granulation. During the granulation process, you can directly press the powder raw materials into granules without adding water. Dry granulator is a hot selling machine for making organic fertilizers, compound fertilizers and feed. The reason why many fertilizer manufacturers choose dry granulation is its simple procedure. You do not need to dry and cool the finished fertilizer pellets, saving time and money. For small-scale farms or manufacturers, dry granulation equipment are an inexpensive and convenient option.

Horse Manure Organic Fertilizer Production Line
Horse Manure Organic Fertilizer Production Line


Why Is Dry Granulation Equipment Favored to Make Fertilizer Pellets?

The dry granulator requires less equipment and the smallest footprint.

Generally, the wet granulation processes requires more equipment and plant space than dry granulation technique. Dry granulators eliminate the addition of moisture in the granulation process, regardless of the variables that occur in the raw materials. And the granules produced by the dry granulator do not need to be dried and cooled, which reduces the use of dryers and coolers. The dry granulator has the smallest footprint in terms of equipment size, and our smallest output dry granulator is even the size of a stool. You can absolutely use it at home. Wet granulation equipment such as drum granulator and tooth stirring granulator are usually used in production lines and large production plants. Covers a large area.

Dry granulator is easier to produce consistent and accurate granule density.

Dry granulation is a precision granulation process. The particles extruded by the pressing roller have high density and uniform size, which can better preserve the nutrients in the fertilizer. In the wet granulation process, the wetting of the raw material is more affected by the change in the characteristics of the raw material, which easily affects the particle size and distribution of the particles.

 

Double Roller Extrusion Granulator for Power Fertilizer pelleting in NPK Fertilizer Production Line
Double Roller Extrusion Granulator for Power Fertilizer pelleting in NPK Fertilizer Production Line

Double Roller Granulator

Model: SXJZ-1T

Power: 11-15kw

Granule Diameter: 3-10mm

Roller Sheet Size: 150*220mm

Dimension: 1450* 80o*1450mm

Color: green(can be customized)


The dry granulation process is easily extended from development to production.

The dry granulation process does not require special binders and does not involve a drying step. It allows continuous granulation of the material, so processing is a very efficient process. More importantly, the dry granulator does not require complicated supporting equipment, ensuring shorter material processing time. Keep in mind that the double roller extrusion granulator and flat die granulator for dry granulation have a fully automatic system. You can do everything from the control panel.

Dry granulator can help you save costs to the greatest extent.

As mentioned earlier, the biggest difference between dry granulation and wet granulation is that, first of all, with a dry granulator, you do not need to add moisture or binders. Second, since no moisture is added, there is no need to dry the granules. In terms of equipment, dry granulation does not require you to purchase a complete set of equipment like a production line. And the dry granulator requires less space.

 

Flat Die Fertilizer granulator for Organic Fertilizer or Feed in SX Fertilizer Machine Supplier
Flat Die Fertilizer granulator for Organic Fertilizer or Feed in SX Fertilizer Machine Supplier

Flat Die Pellet Mill

Model: SXPM-125

Power: 3kw

Granule Diameter: 3-10mm

Capacity(kg/h): 60-100 (Feed) 100-200 (Fertilizer)

Dimension: 630* 27o*750mm

Feed Size: 3-5mm


What Machine is Used in Roller Compaction Dry Granulation?

Double roller granulator for sale

Like other companies, our double roller fertilizer granulator is also consists of driving device, feed port, roller, discharge port, etc. But what is the uniqueness between the double roller press granulator produced at our factory? The answer is that we have higher demands on the design and materials of our machines. It is precisely for these reasons that our roller extrusion granulator has become the preferred granulation equipment for compound fertilizers in recent years.

Flat die granulator for sale

The flat die pellet mill has become the first choice for many farmers to process their manure due to its compact body and quick granulation. In addition, in the feed pelleting industry, flat die granulator have also become the choice of many feed manufacturers. So, what makes our flat die extrusion granulator stand out from the crowd? The answer is that our flat die pellet machine has some special designs and materials, which make our flat die granulator have some advantages that other similar equipment cannot achieve.

 

Double Roller Press Granulator for Compound Fertilizer Production in Dry Powder Extrusion Granulation Production Line
Double Roller Press Granulator for Compound Fertilizer Production in Dry Powder Extrusion Granulation Production Line


Small Flat Die Pellet Machine for Organic Fertilizer and Feed in SX Fertilizer Machine Manufacture
Small Flat Die Pellet Machine for Organic Fertilizer and Feed in SX Fertilizer Machine Manufacture


Processed Roller of Double Roller Extrusion Granulator in SX Fertilizer Making Machine Factory
Processed Roller of Double Roller Extrusion Granulator in SX Fertilizer Making Machine Factory


 

What is the Reason Why SX Dry Granulation Equipment is Popular in the Market?

Double roller granulator

High Granulation Rate

Roll extrusion granulation is a dry granulation process. The advantage of dry granulation is that it can granulate without drying or humidification. Because using two pairs of rollers for extrusion granulation, the strength of the granules is greatly improved. During the granulation process, the working surface of the pressing roller is 100%. Therefore, the granulation rate is higher than other granulators.

No Need for Additional Adhesive

The convenience of the roller extrusion granulator lies in its granulation method – dry granulation. You can granulate powdered granules directly without additional binders. The common wet granulation needs to add water or steam to the material for bonding. And you should dry the granulated granules with a dryer due to excessive moisture. That’s quite troublesome. On the other hand, the double roller granulator simplifies the process, saves the drying process, and reduces energy consumption.

Simple Process

Unlike disc granulation, the technical requirements for operators are relatively high. The double roller press granulator only needs to put the mixed material into the feeding port. It can achieve automatic granulation without other operations. And the equipment is easy to operate and maintain. You can use multiple granulators in compound fertilizer granulation lines.

Flexible Raw Materials

The raw materials of the roller extrusion granulation are wide. It is fitting for the granulation of various powdery raw materials such as compound fertilizer, medicine, chemical industry, feed, etc. The most suitable is the granulation of compound fertilizers. Therefore, if your raw materials are powdered raw materials, you can use the roller extrusion granulator for granulation.

The main technical parameters of the double roller extrusion granulator:


Model Power(kw) Particle Diameter (mm) Roll Skin Size (mm) External Dimensions
SXJZ-1T 11-15 3-10 150*300 1450*850*1500
SXJZ-1.5T 18.5-22 3-10 150*300 1450*850*1500
SXJZ-2T 22-30 3-10 185*300 1630*850*1650
SXJZ-3T 37-45 3-10 300*300 1850*1100*2050
If you do not know how to start your fertilizer granules making plant, contact us and we will provide you professional suggestions!

 

Flat die granulator

The flat die pellet mill has become the first choice for many farmers to process their manure due to its compact body and quick granulation. In addition, in the feed pelleting industry, flat die granulator have also become the choice of many feed manufacturers. So, what makes our flat die extrusion granulator stand out from the crowd? The answer is that our flat die pellet machine has some special designs and materials, which make our flat die granulator have some advantages that other similar equipment cannot achieve.

Feed Port

As can be seen from the picture, the feed port of our granulator is set on the left side of the control box. The whole is round, and the opening on the top is large, which is convenient for feeding. The material of the feeding port is stainless steel to prevent the material from corroding and sticking to the wall. The material enters the granulating device vertically for the next step of granulation.

Granulating Device

Flat die extrusion granulator belongs to dry extrusion granulation. It is mainly extruded by rollers and molds. The mold gap can be large or small. It can produce columnar particles with a diameter of 2-8 mm. The roller is an important part of the granulating part. Since some raw materials such as sawdust, straw, etc. require a lot of pressure for extrusion. So our rollers are made of special materials, which are pressure-resistant and wear-resistant.You can choose the different mold shapes according to your needs, generally cylindrical. You can also adjust the length of the columnar particles.

Discharge Port

The discharge port is below the granulation part and is square. There is a stainless steel tray connection outside, which is convenient for receiving materials.

Gear Box

The working principle of the flat die granulator is to drive the belt and pulley through the motor, transmit it to the driving shaft through the reducer, and open the gear and the driven shaft to work synchronously.

The Wheel

Our flat die pellet machine has four wheels for easy walking. Due to the great weight of the granulator, manual transport wastes time and energy. Given the convenience of use, we design the wheel for the flat die granulator.

Control Box

The flat die granulator uses a central pressure regulating structure. It can realize mass production by automatically controlling the control box. There is an observation window on the electric control box to facilitate the inspection and maintenance of the equipment.

The main technical parameters of flat die granulator:


Model Power(kw) Weight Capacity(kg/h) Dimension(mm) Feed Size(mm)
SXPM-125 3 92 60-100 (Feed) 100-200 (Fertilizer) 630* 27o*750 3-5
SXPM-150 4 180 90-120 (Feed) 200-400 (Fertilizer) 750*350*650 3-5
SXPM-200 7.5 250 200-300 (Feed) 300-500 (Fertilizer) 1220*980*470 3-5
SXPM-230 11 270 300-400 (Feed) 400-600 (Fertilizer) 1140*470*970 3-5
SXPM-260 15 300 400-600 (Feed) 600-800 (Fertilizer) 1120*520*1070 3-5
SXPM-300 18.5 400 600-800 (Feed) 800-1000 (Fertilizer) 1270*520*1070 3-5
SXPM-360 22 600 700-900 (Feed) 1200-1500 (Fertilizer) 1340*580*1060 3-5
SXPM-400 30 750 900-1100 (Feed) 1500-2000 (Fertilizer) 1350*600*1200 3-5
SXPM-500 37 900 1000-1500 (Feed) 2000-2300 (Fertilizer) 1550*750*1350 3-5
If you want to know more information about dry granulator, please email us!

 

When do You Choose Dry Method Granulation?

Dry granulators are suitable for two types of feedstock:

First, ingredients that are sensitive to moisture.

In general, moisture sensitive raw materials will undergo chemical reactions when exposed to water or water vapor. In this case, you cannot use a wet granulator for granulation. Otherwise, the chemical properties will be lost and the effect will be lost.

Second, ingredients that are sensitive to temperature.

If you are wet granulation, then the granules are dried. And some raw materials are not suitable for wet granulation if they are sensitive to temperature. Therefore, dry granulation is the only feasible way.

Electric Motor for Roller Extrusion Granulator in SX Machinery
Electric Motor for Roller Extrusion Granulator in SX Machinery
Feed Port and Discharge Port of Double Roller Granulator Machine in SX Factory
Feed Port and Discharge Port of Double Roller Granulator Machine in SX Factory


How to Choose a Suitable Dry Granulator in SX?

Compound Fertilizer Roller Extrusion Granulator

The roller extrusion granulator is mostly used for the granulation of compound fertilizer, especially suitable for the granulation effect of ammonium bicarbonate, ammonium chloride, monoammonium phosphate and so on. If you are considering building a compound fertilizer production line without drying and cooling, the roller extrusion granulator is the most suitable. And we have roller extrusion granulators with different output per hour, you can choose freely.

Organic Fertilizer Flat Die Granulator

The flat die granulator is suitable for the granulation of organic fertilizers. The fermented poultry manure can be granulated with a flat die granulator without drying. And it is a small model, which you can use it at home.

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