We Put 15kg Coffee Destoner (150kg/h) Through Tests

We tested the 15kg coffee destoner machine 150kg/h over several roasting cycles too see how it handled real batches of green beans.Out of the box the unit’s compact footprint (113 × 50 × 194 cm) and solid build (102 kg) felt engineered for a small-to-medium roastery; the 30 × 45 × 38 cm feeding bucket holds the advertised 15 kg so loading and batch work were straightforward. Running at its rated working capacity, the machine processed up to 150 kg/h while automatically picking out stones, metal and other impurities, and we observed a cleaning performance that closely matched the claimed 99% clean rate. The adjustable fan and destoner wind speeds proved especially useful — we dialed settings for different bean sizes and densities and noticed fewer false rejects and better stone removal. In the short introduction that follows, we’ll walk through how the machine performed, setup and handling, and which types of operations will get the most from this model.

Our Overview of the Coffee Destoner Experience

We approached this destoner with practical expectations and were pleasantly surprised by how much it streamlined our green-bean workflow. The unit’s compact footprint (113*50*194cm) and solid 102kg build give it a stable presence without hogging the workspace, while the 30*45*38cm feeding bucket holds a useful 15kg so we can load for long, uninterrupted runs. In practise the automatic removal of metal, stones and other impurities felt dependable and consistent — the stated 99% clean rate matched what we observed during mixed-batch tests. Key points we noted include:

• feeding bucket: 15 kg volume
• Peak throughput: 150 kg/h
• Cleaning efficiency: ~99%
• Build: 113×50×194 cm, 102 kg

Beyond raw numbers, the adjustable fan and destoner wind speeds were the feature that made the biggest difference — we tuned settings for different bean sizes and saw fewer false positives and less product loss than with a one‑speed unit. The machine’s ability to adapt to bean type kept our batches purer and our yield higher, and maintenance proved straightforward. For a fast reference, here are a few compact specs presented in a simple table:

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How the Machine Fits into Our Roasting Workflow and Workspace

Fitting this machine into our roasting workflow was straightforward because it does exactly what we need at the point where green beans enter the process: pre-cleaning and protection. With a footprint of 113 × 50 × 194 cm and a solid body weight of 102 kg, it feels robust but not unwieldy; we positioned it next to our intake area so cleaned beans feed directly into our hopper. The feeding bucket holds 15 kg (30 × 45 × 38 cm), which matches our batch sizes and keeps handling to a minimum, while the 150 kg/h working capacity means it easily keeps up during busy roasting windows. Most vital for consistency, the machine delivers a 99% clean rate and is configured to automatically remove metal, stone and other impurities, and the adjustable fan and destoner wind speeds let us tune separation by bean type for minimal loss and maximum quality.

In practice it streamlines a few steps and reduces bottlenecks: we unload green bags into the feeder, tweak wind speed for the varietal, and let it separate contaminants before beans hit our roaster. Key practical benefits we noticed include:

• Consistent batch-ready feed with minimal manual sorting
• Reduced equipment wear as metal and stones are removed early
• Easy tuning for different bean densities via adjustable wind settings

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What We Observed in Real World Performance and Throughput

We pushed the unit through multiple harvest-style runs and were impressed by the steady throughput and separation quality. With a sustained working capacity of 150kg/h during continuous feeding from the 15kg bucket, we saw a reliable flow that matched processing expectations for small-to-mid‑scale operations. The separation proved highly effective — the machine delivered a near‑perfect clean rate of 99%, consistently capturing stones, metal and other impurities without frequent rework. The adjustable fan and destoner wind speeds let us fine‑tune performance for different bean sizes and densities,reducing chipping and increasing overall yield.

• Throughput: 150kg/h sustained under steady feed
• Cleaning: ~99% impurity removal in one pass
• Feeding convenience: 15kg bucket for compact batch handling
• Footprint & stability: 113×50×194 cm and 102kg — solid but not oversized

In longer runs the machine held up well — the weight and frame provided stability at higher fan settings and the adjustable air controls helped us balance speed versus bean integrity. Servicing was straightforward and the modest feeding bucket volume makes sense when you want predictable flow rather than giant batches; we found refill intervals easy to plan around. For a quick reference of the core specs we tracked during testing, see the table below.

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How We Found Operation, Maintenance and Adjustment to be

We found the machine’s operation impressively straightforward: the 15kg feeding bucket (30×45×38cm) makes batch loading quick and the working capacity of 150kg/h matched our throughput expectations without constant babysitting. Adjustments are intuitive — both the fan wind speed and the destoner wind speed are finely adjustable depending on coffee bean type, so dialing in the balance between removal efficiency and bean loss was fast. The automatic removal of metal parts, stones and other impurities delivered a consistent clean rate of 99%, and the unit’s footprint (113×50×194cm) and 102kg body give it a stable, industrial feel on the floor. Below is a quick specs snapshot we kept beside the machine during testing for reference:

Maintenance and adjustment proved to be pragmatic rather than finicky: routine cleaning of the feeding bucket and checking the destoner vanes kept performance steady,and we appreciated that the adjustable wind settings allow simple compensation for different bean sizes. Our maintenance checklist was short and effective — light daily cleaning, weekly inspection of moving parts, and a monthly check of fan bearings and electrical connections — and most tasks could be completed without special tools. As the unit is fairly heavy, we recommend securing it to a level surface before carrying out adjustments. If you want to see the exact model we used for testing or pick one up for your line, check it out here: View on Amazon

What We Noticed about Noise, Safety and Separation Consistency

We found the unit’s sound profile surprisingly manageable for its throughput: with the fan wind speed and destoner wind speed both adjustable, we could tune airflow to balance noise and separation performance. At lower settings the machine emits a steady, low hum; pushing it toward maximum for stubborn impurities increases the noise noticeably, but the machine’s substantial mass (102kg) and tall, compact footprint (113×50×194cm) keep vibration and rattling to a minimum. Safety felt well-considered — the 15kg feeding bucket (30×45×38cm) reduces the need for constant operator intervention, and the automatic removal of metal, stone and other impurities cuts down on risky manual sorting.

Separation consistency proved reliable across different beans: rated for 150kg/h with a 99% clean rate, the adjustable wind settings let us tailor the process to bean size and density so results stayed repeatable batch after batch. Our practical takeaways:

• Throughput vs. finesse: higher speeds up capacity but may need tweaking for fragile beans.
• Safety gain: automated impurity pickup minimizes handling hazards.
• Stable operation: heavy chassis reduces bounce, improving consistent separation.

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Assessing Value, Cost Savings and Return from Our Perspective

From our perspective, the machine delivers tangible value by turning manual sorting and expensive post-harvest waste into predictable output. With a working capacity of 150kg/h and a clean rate of 99%,we see immediate reductions in labor hours and rejected batches — the feeding bucket’s 15kg volume smooths the workflow and minimizes frequent refills. The adjustable fan and destoner wind speeds let us dial in settings for different bean types, which means less damaged product and fewer costly re-sorts. Key benefits we tracked include:

• Higher throughput — faster processing per shift
• Lower waste — near-total impurity removal
• Reduced labor — less manual picking and monitoring

These points translate to steady cost savings and quicker break-even on the initial purchase for medium to large-scale operations.

Putting the specs into a simple snapshot helped us model returns more clearly:

Given those figures, our conservative estimate shows payback coming from decreased sorting labor and salvage of beans that would otherwise be discarded; the adjustable wind settings are a small detail that materially improves yield across bean varieties. If you want to compare cost, capacity and projected savings for your operation, take a closer look and consider one for trial — See it on Amazon.

Our Practical Recommendations for Different Roastery Sizes and Best Use Cases

How we recommend configuring for different roastery sizes: We find the 15kg feeding capacity and 150kg/h throughput make this destoner especially well suited to operations that need a reliable, high-clean-rate (99%) finishing step without a huge footprint (113×50×194cm, 102kg). For very small micro-roasteries, we suggest using it as a batch-quality gate—load up to the 15kg hopper, fine-tune the adjustable fan and destoner wind speeds for delicate beans, and run small lots for cleaner results. Medium-sized shops will get the best value: continuous shifts with rapid turnover and minimal labor, using steady feeds to match roasting lines. Larger facilities should consider parallel units or an integrated feed system if they need sustained >150kg/h continuous processing.

• Micro roasters: batch use, single-operator runs, focus on gentle wind settings
• Medium roasteries: ideal daily throughput, steady-feed operation, maximize 99% clean rate
• large operations: deploy multiples or inline feeds for higher capacity and redundancy

Best use cases and practical tips: We rely on the unit primarily to remove metals, stones and other impurities prior to roasting or packaging—its automatic picking capability and near-perfect clean rate improve cup consistency and protect grinders and roasters. Because fan and destoner wind speeds are adjustable by bean type, we dial down turbulence for fragile, single-origin lots and increase airflow for dense, defect-prone lots. Keep in mind the unit’s weight and footprint when planning floor layout; a firm, level surface and easy access to the hopper make feeding and maintenance smoother.

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Pros & Cons

After putting the 15kg coffee destoner (150kg/h) through several real-world runs in our test roastery, we boiled our experience down to the highlights and the trade-offs. Below you’ll find what won our favor and what gave us pause — straight, practical, and useful for anyone considering this machine.

Pros

• High throughput: We consistently hit close to the rated 150kg/h in steady operation, making short work of medium-sized batches.
• Excellent clean rate: The advertised ~99% clean rate held up in our tests — stones and heavy impurities were reliably removed.
• Adjustable wind control: The fan and destoner wind speeds are fine-tunable, so we could tailor the machine to different bean sizes and densities.
• Compact footprint: At 113×50×194cm, it fits nicely in a busy workspace; the 15kg feeding bucket is a sensible batch size for manny roasteries.
• Solid build: The unit felt robust (102kg weight), which gives confidence in durability during daily commercial use.

Cons

• heavy and not easily mobile: At 102kg the machine is stable but awkward to move — you’ll want a permanent spot or casters added.
• Requires tuning for different beans: We needed to tweak wind settings when switching bean varieties; it’s flexible but demands operator attention.
• Maintenance considerations: Regular cleaning of screens and the feeding bucket is necessary to maintain that 99% clean rate.
• Electric dependency: It needs a stable power source and continuous operation for best throughput — not ideal for ad-hoc or remote setups.
• Limited continuous-feed design: The 15kg feeding bucket is perfect for batch workflows but less suited for fully continuous, high-volume lines without additional feeders.

our impression is that this destoner is a strong choice for roasteries that run regular batch processing and value a high clean rate and adjustable settings. If you need a highly mobile or fully continuous system, factor in the trade-offs above.

after putting the 15kg Coffee Destoner (150kg/h) through our tests, we came away impressed with how reliably it separates stones and heavy impurities without demanding constant fiddling.The machine’s compact footprint (113 × 50 × 194 cm) and 102 kg body feel sturdy yet manageable for a small to medium roasting operation, and the 30 × 45 × 38 cm feeding bucket—holding up to 15 kg of beans—kept our workflow steady. With a rated working capacity of 150 kg/h and a reported clean rate of 99%, it handled mixed lots efficiently; adjustable fan and destoner wind speeds let us tune performance by bean type, which made a measurable difference during our runs.

In short, if you’re looking for an automated solution to pick up metal parts, stones, and other impurities with minimal babysitting, this unit is worth considering. Our hands-on experience showed solid build quality and user-adjustable controls that helped us hit consistent results across different bean batches.

Ready to take a closer look or include one in your production line? See the 15kg Coffee Destoner on Amazon