ZONESUN ZS-GHK3 Automatic Coffee Beans Roasting Machine

Description

The ZONESUN ZS-GHK3 is a professional-grade coffee bean roasting machine designed for small-batch commercial use. With a roasting capacity of 3–6.5 kg per batch and an hourly output of 24–40 kg, it combines precision control with robust performance. The machine features a full-automatic roasting system using half hot air and half direct fire, powered by LPG or natural gas. Equipped with a control panel, cooling tray, exhaust system, and chaff collector, it ensures consistent roasting profiles and efficient post-roast cooling. Ideal for coffee shops, roasteries, and specialty coffee producers seeking repeatable results and clean operation.
 

Parameter

Applications

• Specialty Coffee Shops & Roastery Cafes: Widely utilized by independent specialty coffee shops and micro-roastery cafes to satisfy daily demand for fresh-roasted, customized small-batch espresso or pour-over coffee beans.
• Small-Scale Coffee Roasteries: Perfectly suited for small-to-medium artisan roasteries and estate-level brands to execute stable, consistent batch production across light, medium, and dark roast profiles.
• Coffee Training Schools & Cupping Labs: Ideal for professional barista academies, green bean traders, and quality control labs for sample roasting, standardized prep before cup-testing (cupping), and advanced roasting educational courses.

Compatible Materials & Roasting Profiles 

• All Lignified Green Coffee Beans: Universally compatible with all varieties of green coffee beans including Arabica and Robusta from premium global origins, seamlessly managing varying processing methods such as washed, natural, and honey-processed lots.
• Full-Spectrum Roast Precision: Delivers immaculate microcomputer control from Light Roast (preserving vibrant fruit acids and floral aroma notes) to deep caramelization Dark Roast (unlocking rich nutty and dark chocolate body). Post-roast, the heavy-duty agitated cooling tray instantly chills the batch, locking in aroma and preventing residual heat baking.

Control Panel Overview

• Precision Control: Real-time curve display for accurate monitoring of temperature, airflow, and timing.
• Safety & Efficiency: Quick-access control layout featuring a dedicated emergency stop button.

Bean Hopper 

• Controlled Loading: Holds green coffee beans prior to roasting and guides them smoothly into the drum.
• Batch Consistency: Ensures exact, repeatable batch sizes while preventing accidental spillage.

Roasting Drum 

• Even Heat Distribution: Rotates coffee beans smoothly with precise thermal control for optimal, uniform roast development.
• Real-time Monitoring: Equipped with a tryer and sight glass to support manual sampling and visual inspection during the roast.

Cooling Tray 

• Rapid Cooling: Halts the roasting process instantly to lock in exact roast levels and profiles.
• Optimal Flavor Preservation: Combines continuous airflow with active stirring for fast, uniform cooling that seals in delicate flavors.

Exhaust System 

• Clean Roasting Environment: Efficiently removes smoke, chaff, and excess heat throughout the roasting cycle.
• Optimal Airflow & Consistency: Prevents residue buildup and maintains steady airflow for predictable, repeatable roast profiles.