Destoner Separator – Pressure Type

The Mmctech Best Destoner Separator delivers high-efficiency stone and heavy impurity removal for wheat, sesame, sunflower, pulses, and other grains. Featuring vibration deck technology, adjustable airflow, and customizable control settings, this grain stone separator enhances seed purity and processing efficiency.

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Mmctech Destoner Separator – Precision Stone Removal for Seed & Grain Processing

The Mmctech Destoner Separator – Pressure Type is designed to deliver accurate and efficient removal of stones, sand, and other heavy impurities from grains, legumes, and oilseeds. Utilizing adjustable airflow, vibration deck technology, and customizable control settings, this advanced grain stone separator ensures high seed purity while protecting downstream equipment. Whether you’re processing wheat, sesame, sunflower, lentils, or garden seeds, the Mmctech Destoner Separator provides reliable, high-performance stone separation for industrial and commercial seed cleaning operations.

Maximize Seed & Grain Purity with the Best Destoner Separator

The Mmctech Destoner Separator is an advanced destoner machine designed to efficiently remove stones, heavy impurities, and foreign materials from seeds, grains, and pulses. Utilizing precision air pressure and vibration technology, this high-performance destoner seed separator ensures superior separation accuracy, protecting processing equipment and enhancing final product quality.


Why Choose the Mmctech Destoner Separator Machine?

Built for efficiency, durability, and precision, the Mmctech Destoner Separator is engineered for superior seed cleaning performance, offering adjustable air pressure, multiple deck configurations, and high-capacity throughput.

Key Features & Benefits

Superior Stone & Heavy Impurity Removal – Eliminates stones, glass, sand, and metal particles from seeds and grains.
Advanced Air Separation System – Uses precision airflow to separate light & heavy materials, ensuring accurate stone removal.
Vibrating Deck Technology – Provides precise movement of seeds and stones, maximizing separation efficiency.
Customizable Air & Deck Settings – Operators can adjust air pressure, vibration speed, and deck inclination for varied grain types.
Protects Downstream Equipment – Prevents damage to mills, flaking machines, and other seed processing units.
High-Capacity Performance – Designed for wheat stone separation, sesame seed stone removal, sunflower seed cleaning, and more.
Multiple Operational Modes – Available in manual, semi-automatic, and PLC-controlled versions.
Energy-Efficient Operation – Optimized air control system reduces energy consumption.
User-Friendly Controls & Easy Maintenance – Designed for quick adjustments and minimal downtime.


How the Mmctech Destoner Separator Machine Works

The Destoner Seed Separator operates through vibration, air pressure, and gravity separation, ensuring accurate impurity removal for seeds, grains, and pulses.

Step-by-Step Stone Separation Process

🔹 Step 1 – Product Feeding: The material is evenly distributed onto the vibrating deck, ensuring consistent separation flow.
🔹 Step 2 – Airflow-Based Stratification: Controlled air pressure lifts lighter seeds while heavier impurities remain on the deck.
🔹 Step 3 – Precision Sorting & Removal: Heavy impurities like stones move toward the reject outlet, while clean seeds exit from the accept outlet.
🔹 Step 4 – Adjustable Deck & Air Pressure: Operators can fine-tune air and vibration settings for different grain types.


Applications of the Mmctech Destoner Separator – Pressure Type

The Mmctech Destoner Separator Machine is engineered for high-efficiency removal of stones, heavy impurities, and dense foreign particles from a wide range of grains, legumes, oilseeds, garden seeds, and specialty seeds. This advanced pressure-type destoner combines vibration deck technology with adjustable air pressure to ensure clean, high-purity output across all major crop categories.

Grain Cleaning Applications

The destoner is ideal for use in grain cleaning operations, effectively removing stones, sand, glass, and metal fragments from cereal crops such as wheat, barley, oats, rice, rye, quinoa, spelt, millet, buckwheat, and corn. Its precision airflow and vibration system make it a dependable choice for wheat stone separation, rice grain purification, and corn destoning processes.

Legume and Pulse Seed Cleaning

Designed to handle various legume types, the machine efficiently processes chickpeas, yellow peas, pigeon peas, green peas, lentils, beans, and other pulse crops. By separating dense impurities without damaging the seed, it ensures maximum purity and product safety in commercial legume cleaning operations.

Oilseed Destoning

Optimized for oil-rich and delicate seeds, the Mmctech Destoner is highly effective for sunflower seeds, sesame seeds, soybeans, flaxseed, hazelnut, linseed, mustard, peanut, pumpkin, and canola. Its gentle separation system removes dense contaminants without harming the valuable oilseeds, making it ideal for sesame seed cleaning, sunflower destoning, and soybean seed purification.

Garden Seed Cleaning

The destoner also excels in processing garden seeds, where precise impurity removal is critical for seed quality and planting success. It is suitable for lettuce, melon, onion, parsley, tomato, radish, and dill seeds, offering a clean, uniform output for vegetable seed sorting and garden seed processing.

Grass and Specialty Seed Cleaning

For lightweight and high-value seeds such as alfalfa, clover, poppy, coffee beans, cocoa beans, and various grass seed types, the Mmctech Destoner ensures superior cleaning. It delicately removes stones and heavy impurities from small or irregularly shaped seeds, supporting specialty seed processors, forage seed companies, and export-oriented cleaning plants.


Technical Highlights

Feature Function
Vibrating Deck Technology Ensures precise movement & separation of stones
Adjustable Airflow Control Fine-tunes separation efficiency for different grains
Multiple Deck Configurations Provides customized impurity removal options
Semi-Automatic & PLC Models Allows customized operation settings
Energy-Efficient Design Reduces power consumption while maintaining efficiency

Stone-Free Seed Processing with Mmctech Destoner Separator

Experience the next level of seed and grain cleaning with the Mmctech Destoner Separator Machine—your trusted solution for removing stones and heavy impurities with unmatched accuracy. Whether you’re processing wheat, sesame, sunflower, or pulses, this high-efficiency seed processing machine ensures cleaner output, protects your equipment, and maximizes your productivity. Upgrade your operation today and deliver only the purest product to market.

📞 Get in Touch – Get expert advice on the right seed processing solutions for your facility.

📹 Watch on YouTube – See our cleaning, sorting, and automation systems in action.

Destoner Separator Pressure Type Specifications

Frequently Asked Questions

How does a grain destoner work?


A grain destoner uses controlled airflow and vibration to separate heavier impurities like stones and glass from lighter grains and seeds. While the air lifts the clean material, dense particles remain on the deck and are discharged separately.



What is the function of a destoner?


The primary function of a destoner is to remove stones, metal pieces, sand, and other heavy foreign materials from grains and seeds to ensure product purity, prevent machinery damage, and enhance processing efficiency.



What crops can be cleaned with the Mmctech Destoner Separator?


The Mmctech Destoner Separator effectively removes stones and heavy impurities from a wide range of products including wheat, sunflower, sesame, lentils, beans, chickpeas, soybeans, coffee beans, and garden seeds like tomato and parsley.



Does the Mmctech Destoner offer adjustable settings for different grains?


Yes, the Mmctech Destoner features customizable air pressure, vibration speed, and deck inclination settings to suit various seed and grain types. This flexibility ensures precise and efficient stone removal for each crop.

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