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How to Choose the Right Rice Destoner Machine in 2026

Published: May 22, 2026 | Reading time: 8 minutes | By Baochi Machinery Team

Choosing the right rice destoner machine is one of the most important decisions for any rice mill, grain processing facility, or farm. The wrong choice means wasted money on capacity you don't need — or worse, a machine that can't keep up with your production. This guide covers everything you need to know.

1. Understand Your Processing Capacity

The first and most important factor is how much grain you need to process per hour. Rice destoners come in different capacities, and matching capacity to your actual needs is critical.

Operation TypeRecommended CapacitySuitable Models
Small farm / home use400 - 500 kg/hModel 22A / 22B
Medium rice mill800 - 1200 kg/hModel 28A / 28B / 32
Large-scale processing1500 - 2000 kg/hModel 40 / 45A / 45B

Pro tip: Choose a machine with 20-30% more capacity than your current needs. This gives you room for growth and prevents the machine from running at maximum load constantly, which extends its lifespan.

2. Check Stone Removal Rate

The stone removal rate is the single most important performance metric. A good rice destoner should achieve 99% or higher stone removal rate.

Ask the supplier for test reports or video demonstrations showing the machine processing your specific type of grain. Different grains (rice, wheat, beans) may require different sieve configurations.

3. Consider Power Requirements

Most rice destoners operate on 220V single-phase power (250W - 750W), which means they can run on standard household electricity. This is ideal for small farms and workshops.

For larger industrial operations, some models support 380V three-phase power. Check your local power supply before purchasing.

4. Evaluate Machine Size and Weight

Make sure you have enough space for installation. Consider:

5. Look for Quality Construction

Key quality indicators:

6. Check Warranty and After-Sales Support

A reliable supplier should offer:

7. Compare Factory Direct vs. Trading Company

Buying factory direct offers significant advantages:

Model Comparison at a Glance

ModelCapacityPowerVoltageDimensions (cm)Weight (kg)
22A400 kg/h250W220V67×48×6345
22B500 kg/h370W220V80×45×6950
28A800 kg/h370W220V
28B1000 kg/h550W220V
321200 kg/h550W220V
401500 kg/h750W220V/380V
45A1800 kg/h750W220V/380V
45B2000 kg/h750W220V/380V

Conclusion

Choosing the right rice destoner doesn't have to be complicated. Start with your processing capacity, then evaluate stone removal rate, power requirements, build quality, and after-sales support. When in doubt, contact the factory directly — a good manufacturer will help you select the perfect model for your specific needs.

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