Magnesium Sulfate Extrusion Granulator – Efficient Granulation for Sulfate-Based Fertilizers

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High-Efficiency Magnesium Sulfate Granulation Equipment

Magnesium sulfate (MgSO₄), commonly known as Epsom salt, is an essential secondary nutrient widely used in agriculture to correct magnesium and sulfur deficiencies in crops. To improve handling, reduce dust, and enhance application efficiency, manufacturers are turning to granulated magnesium sulfate fertilizers.

We offer advanced magnesium sulfate extrusion granulator machines that convert fine MgSO₄ powder into uniform, dust-free granules using a dry extrusion process — no drying, no binder, no waste.

What Is a Magnesium Sulfate Extrusion Granulator?

A magnesium sulfate extrusion granulator is a type of double roller compaction granulator that uses mechanical pressure to press powdered MgSO₄ into hard granules. This dry granulation method is ideal for heat-sensitive and moisture-sensitive materials like magnesium sulfate, where traditional wet granulation isn’t suitable.

Key Features of Our MgSO₄ Extrusion Granulation Machine

• Dry granulation – no need for drying or liquid binder
• Low energy consumption – efficient pressing system
• Compact design – small footprint, easy to operate
• High granule strength – suitable for storage and transport
• Customizable output – 1–5 tons/hour capacity available
• Adjustable granule size – 2–6 mm oval or pillow-shaped pellets

How the Extrusion Granulation Process Works

Pre-treated magnesium sulfate powder is fed into the hopper

The material passes through twin counter-rotating rollers

Strong mechanical pressure compacts the powder into dense sheets

Sheets are crushed and screened into uniform granules

Final MgSO₄ granules are ready for packing and distribution

This method ensures minimal nutrient loss, no drying process, and no chemical reaction, keeping the fertilizer pure and effective.

In addition to the extrusion granulator, we provide a full range of fertilizer processing equipment to build a complete magnesium sulfate granule production line:

Crushing Chain crusher or hammer mill

Mixing Horizontal mixer

Granulation Double roller extrusion granulator

Screening Rotary or vibrating screener

Dust collection Cyclone or pulse dust collector

Packing Automatic weighing and bagging machine

We also offer custom plant layout design, automation control systems, and OEM/ODM services based on your production needs.

Contact Us for a Customized Magnesium Sulfate Granulation Solution

Whether you’re starting a new magnesium sulfate fertilizer factory or upgrading an existing plant, Gofine Machine can provide the right extrusion granulation equipment and production line configuration to meet your goals.