CQ-12KG Industrial Coffee Roasters Coffee Bean Roasting Machine

Technical Selection

Key parameters for matching this machine to your production. Send us your product to freeze, daily output and power supply and our engineers will confirm the right configuration.

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Main Components

• Stainless steel or cast-iron roasting drum, designed to tumble coffee beans and ensure even heat distribution
• Gas or electric heating system, providing a stable heat source
• Hot-air fan and damper adjustment mechanism, used to control airflow and manage the roasting profile
• Bean hopper and feed inlet, for loading and metering the quantity of beans
• Discharge door and handle, allowing for the rapid removal of beans once roasting is complete
• Independent cooling tray, equipped with a stirring arm and cooling fan for quick temperature reduction
• Control panel or touchscreen, for temperature monitoring, parameter settings, and recipe management
• Temperature probes (for beans, airflow, and exhaust), enabling multi-point thermal monitoring
• Observation window, for real-time monitoring of bean color and roasting progress
• Sampling trier, allowing for the extraction of bean samples during the roast to assess development

Working Principle

The 12kg coffee roaster utilizes a rotating drum combined with a hot-air or semi-direct-fire heating system to execute the roasting process through a continuous cycle of heating, tumbling, exhaust, and cooling. Upon startup, the drum is preheated to the optimal temperature for receiving green coffee beans. Once the beans are loaded, the rotating drum ensures they are tumbled consistently. Simultaneously, the heating system generates thermal energy—transferred via the drum walls, hot-air convection, and radiant heat—to warm the beans. This facilitates gradual dehydration, the Maillard reaction, and caramelization, which develop the coffee’s characteristic aroma, sweetness, and color. Throughout the roast, the operator monitors bean temperature, drum temperature, bean color, and smoke levels using an observation window, a sampling trier, and temperature probes. Based on the roast profile, the operator can adjust the heat intensity and airflow (damper settings). Once the desired roast level is reached, the beans are discharged into a separate cooling tray, where a cooling fan and agitator rapidly lower their temperature, halting the roasting process and locking in the flavor. Meanwhile, chaff, smoke, and moisture generated during roasting are removed and collected via an exhaust and cyclone collection system, ensuring the workspace remains clean.

Detailed Features

• ▸12kg-class batch capacity, with a roasting range of 1–14kg per batch—ideally suited for the production needs of specialty coffee roasteries and small-scale facilities.
• ▸Compatible with natural gas or LPG; supports both hot-air and semi-direct-fire roasting methods to accommodate various utility requirements.
• ▸High-temperature-resistant stainless steel or cast-iron drum, featuring an internal vane structure to ensure uniform bean agitation.
• ▸Multi-point temperature monitoring (bean temperature, airflow temperature, and exhaust temperature) for precise, real-time tracking of critical roasting stages.
• ▸Roast profile recording and storage capabilities, allowing for the saving, retrieval, and replication of specific roast recipes.
• ▸Independent cooling tray equipped with an agitation arm and a high-capacity fan to rapidly halt the roasting process and lock in flavor profiles.
• ▸Observation window for real-time monitoring of bean color changes and the "first crack" stage.
• ▸Sampling trier allows for mid-roast checks to assess development levels and flavor progression.
• ▸Includes a chaff collector/cyclone separator to minimize chaff dispersal and maintain a clean workspace.
• ▸Integrated exhaust and smoke extraction system to effectively remove moisture and fumes, keeping the roasting environment clean.

Packaging & Shipping

Packaging Method: The main unit and cooling tray are secured as bare units and packed into wooden or plywood crates; the cyclone dust collector and its accessories are packed separately and placed within the same crate. Internal Protection: The surface of the main unit is first covered with a moisture-proof film, followed by a layer of bubble wrap, EPE foam (pearl cotton), or foam corner protectors. Fragile components—such as glass observation windows, control panels, probes, and sampling rods—require additional, specialized protection.

After-Sales Service

Full-Unit Warranty: A limited warranty is provided from the date of equipment acceptance. During the warranty period, any malfunctions resulting from manufacturing or material defects will be addressed through free repairs or the replacement of affected parts. Core Component Coverage: Tiered warranty coverage applies to critical components—such as the roasting drum, combustion system, control board, fans, and motors—while wear-and-tear parts are subject to a separate schedule. Installation and Commissioning: Upon arrival, engineers can be dispatched to oversee installation, conduct power and gas connectivity tests, calibrate parameters, and supervise the initial roasting batch to ensure the equipment achieves stable, optimal operation. Operational Training: Comprehensive training is provided, covering pre-start checks, roasting profile configuration, cooling system operation, dust removal and cleaning, routine maintenance, and troubleshooting for common issues. Remote Technical Support: Troubleshooting, profile optimization, parameter adjustments, and routine maintenance guidance are available via phone, email, or video, helping to minimize equipment downtime. On-Site Service: For issues that cannot be resolved remotely, engineers can be dispatched for on-site repairs. For international clients, arrangements can be made through local service providers or via a return-to-base (repair-by-shipping) model. Spare Parts Supply: A long-term supply of original or equivalent-quality spare parts is available, including drums, fans, temperature probes, igniters, solenoid valves, control boards, seals, and cooling tray components. Scheduled Maintenance: Semi-annual or annual maintenance services are available, encompassing drum cleaning, fan inspection, temperature probe calibration, flue cleaning, and the tightening of electrical connections. Response Time: Standard inquiries receive an immediate response; solutions for general malfunctions are provided within 24 hours; and urgent, critical breakdowns are prioritized for troubleshooting and parts dispatch. Warranty Scope: The warranty covers defects inherent to the equipment itself. It does not extend to issues caused by improper operation, failure to follow maintenance protocols, unauthorized modifications, the use of non-original parts, transit damage, or force majeure events. Out-of-Warranty Service: Paid repair, maintenance, and upgrade services remain available after the warranty period expires. Prior to any work, we provide a diagnostic assessment, a list of required parts, and a cost estimate for approval. Cross-Border and Project Support: For export clients, we provide English-language manuals, wiring diagrams, guidance on voltage and gas supply compatibility, remote commissioning, and long-term spare parts support.

Frequently Asked Questions