This 5-station horizontal pouch packing machine handles M bags, flat pouches and zipper pouches for 50–500g granular materials like tea. It automatically finishes weighing, filling, vacuuming and sealing with servo control, supporting multiple optional accessories.
The electrostatic cleaner adsorption generated by 4-10 electrostatic rollers extracts impurities in the tea, such as hair, broom bristles, tea fluff ash, thatch, woven bag silk, plastic scraps, iron filings, etc.
DL-6CJDCZ-780-5 electrostatic dust removal cleaner adopts five 780mm rollers. Powered by 1.5kw (380V 50Hz) with dual vibration motors, it delivers cleaning efficiency over 92% and hourly capacity ≥300kg. Optimized electrostatic separation design effectively clears lint, dust and lightweight foreign contaminants in tea. With mature conveyor and sorting bed structure, this machine balances processing yield and purification effect, a cost-effective option for medium-scale tea production lines.
This White Stone Matcha Mill can grind tea leaves into 15μm ultrafine matcha powder.
The DQM-150 features a robust 110L inner and outer 304 stainless steel tank powered by an 11kw pure copper core reduction motor. The machine employs an automated feeding system with a 60L large-capacity hopper, transferring raw materials via a flexible screw conveyor driven by a speed-adjustable motor (0-300r/min).
The Matcha ball mill is designed for post-drying grinding of agricultural products (e.g., ground tea, Chinese medicinal materials) with advantages of low-temperature grinding (15-25℃) to retain raw material color and aroma, fine fineness (500-1000 meshes), PLC-controlled easy operation, and durable structure.
This smart electric stone mill seamlessly combines traditional low-temperature grinding with modern automated features to effortlessly produce ultra-fine, premium commercial matcha.
The DL-6CRT-40 Tea Rolling Machine is engineered for efficient and high-quality tea processing, with a generous capacity of 11 kg per batch.
Looking for automatic pouch packaging equipment? Our 5-station horizontal packing machine supports M bags, flat pouches and zipper bags. Auto weighing, filling, vacuum sealing for tea and granular food with stable servo drive.
Our DL-6CJDCZ series electrostatic dust removal cleaner machine efficiently removes tea dust, fiber and foreign impurities with 90%-96% cleaning rate. 3/5/8 roller models support 300-400kg/h capacity, 380V industrial voltage, ideal for tea primary processing factories.
Learn how food-grade matcha ball mills support large-scale powder production with enclosed grinding, consistent fineness, higher capacity, and hygienic processing.
This guide explains how tencha is ground into matcha, why traditional stone milling remains important, how grinding speed and particle size affect the finished powder, and what buyers should consider when selecting a commercial matcha grinder. It also introduces the DL-6CYMJ-32 black granite matcha stone mill for premium small-batch production.
How to Troubleshoot Uneven Moisture Content During Tea Drying
As a mechanical engineer in the tea processing industry, I frequently encounter facilities struggling with one of the most critical phases of production: drying. Achieving the precise final moisture content (typically around 3-5%) is essential for locking in the tea’s aromatic compounds and ensuring shelf stability. When moisture content is uneven across a single batch, the consequences are disastrous. Over-dried leaves become brittle and lose their complex flavor profiles, while under-dried leaves risk microbial growth and rapid degradation.
If your facility is facing inconsistent drying results, the root cause is rarely the tea itself, but rather the mechanical and thermal dynamics within your drying equipment.
Asymmetrical Airflow Distribution: If the primary fan motor is underperforming or internal baffling is misaligned, heat will channel unevenly, creating severe hot and cold spots within the chamber.
Sensor Drift and Heating Element Failure: Industrial thermocouples and humidity sensors drift over time. Furthermore, if one phase of a multi-group heating element fails, the PID controller will struggle to maintain uniform chamber temperatures.
Static Overloading: Piling wet leaves too thickly on static drying trays prevents hot air from penetrating the center of the mass, leading to a dry exterior and a damp core.
Address Airflow Dynamics: Begin by verifying the fan motor voltage and amp draw against the manufacturer's specifications (e.g., checking that your 0.55 kW fan motor is operating optimally). Inspect the internal galvanized or stainless steel boards for warping that might redirect airflow. Clean all exhaust ports and intake vents using compressed air to ensure zero static pressure buildup.
Calibrate Sensors and Test Elements: Isolate the heating system. If your machine utilizes a multi-group electric heating wire setup, use a multimeter to check the continuity and resistance of each group. Recalibrate your chamber's thermal sensors using a certified secondary digital probe placed directly in the center of the drying area.
Optimize Batch Loading: Strictly adhere to the volumetric capacity of your machine. Spread the leaves in a uniform, thin layer. If your effective drying area is around 5.38 m², your total batch weight should not exceed the strict 15-20 kg limit to allow for proper convective heat transfer.
To prevent recurrence, implement a daily pre-flight checklist. Vacuum out all tea dust from the bottom heating elements to prevent fire hazards and thermal insulation. Inspect door seals for thermal leaks, and crucially, check the mechanical drive systems—such as belts and tray motors—to ensure they are properly tensioned and lubricated.
While static trays require constant manual intervention and meticulous loading, upgrading to automated, dynamic drying systems eliminates human error.
For facilities demanding absolute consistency, we recommend the DL-6CHZ-5QB Rotary Tea Roasting Machine. Instead of relying purely on static airflow, this model features 14 layers of high-grade stainless steel round trays driven by a dedicated 30W motor. The trays rotate continuously at a precise 6 rpm, ensuring every single leaf receives the exact same thermal exposure from the 9 kW, 3-group electric heating system. Encased entirely in stainless steel for maximum thermal retention and food safety, it delivers perfectly uniform batches, every single time.
