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Product Overview
The Fully Automatic Intelligent Control Plywood Drying Machine is a revolutionary piece of equipment in the modern wood processing industry, representing the pinnacle of intelligence, precision, and efficiency in the field of plywood drying. Integrating advanced sensor technology, industrial computer (PLC) control technology, precise temperature and humidity control algorithms, and an efficient hot air circulation system, it completely overturned traditional drying kilns' reliance on experienced operators. It automatically and accurately completes the entire drying process, ensuring each batch of plywood achieves optimal drying quality while significantly reducing energy consumption and labor costs. It is the core equipment for plywood manufacturers aiming to upgrade their industry, improve quality, and increase efficiency.
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Core working principle
This dryer operates on the principle of forced convection hot air drying, with its core being "intelligent control". The workflow is as follows:
1. Parameter Setting: The operator simply selects a pre-set process curve from the system's library or creates a new one via the touch screen interface, based on the wood species, thickness, initial moisture content, and target moisture content of the plywood.
2. Automatic Operation: Upon startup, the equipment runs fully automatically. High-precision temperature and humidity sensors continuously monitor the environment inside the kiln and transmit data in real-time to the PLC controller.
3. Intelligent Decision-Making: The PLC controller compares the real-time data with the pre-set ideal process curve and performs high-speed, precise calculations using an advanced PID (Proportional-Integral-Derivative) control algorithm.
4. Precise Execution: Based on the calculation results, the PLC automatically issues commands to precisely control:
The output power of the heating system (e.g., adjusting gas valve opening, steam proportional valve, or electric heater power).
The motor frequency of the dehumidification system (controlling the opening of dampers and the speed of exhaust fans) to expel moist air in a timely manner.
The speed of the circulation fans to ensure hot air passes through the stack evenly and at high velocity.
5. Closed-Loop Feedback: The entire process of monitoring → calculating → executing → re-monitoring forms a perfect closed-loop automatic control system, ensuring the drying environment all along infinitely approaches the ideal curve until the drying program ends and shuts down automatically.
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System composition and structure
1. Main Structure:
Kiln Body: Constructed with high-quality aluminum alloy or stainless steel frame, paired with polyurethane/rock wool double-layer insulated panels, offering excellent sealing and minimal heat loss.
Kiln Door: Heavy-duty insulated sealing door ensures the airtightness of the chamber.
2. Intelligent Control System (The Brain):
PLC (Programmable Logic Controller): The core computing unit, known for high reliability and strong anti-interference capability.
Touch Screen HMI (Human-Machine Interface): Provides a Chinese graphical interface for operation, displaying real-time curves, historical data, fault alarms, etc.
Temperature & Humidity Sensors: Critical monitoring components with high measurement accuracy and resistance to high temperature and humidity.
Data Logging & Remote Monitoring (Optional): Supports data export via USB drive and can be expanded with IoT modules for remote monitoring via mobile APP/computer.
3. Hot Air Circulation System:
Heater: Configurable based on client conditions (hot water/steam heat exchanger, electric heating, gas/biomass hot air stove).
High-Temperature High-Humidity Fans: Designed for high air volume and pressure, ensuring uniform airflow throughout the kiln without dead angles, breaking the saturated steam layer on the board surface for improved efficiency.
Ducts & Nozzles: Scientifically designed air ducts and distribution systems ensure uniform wind speed everywhere.
4. Dehumidification System:
Consists of dampers, exhaust fans, and frequency converters. It automatically opens and adjusts the opening degree based on PLC commands to precisely control the kiln's humidity.
5. Loading System:
Usually equipped with sturdy aluminum drying trucks and carts for easy loading, unloading, and transportation.
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Core production advantages
Fully Automatic Intelligent Control: Equipped with an advanced PLC control system and a touch screen HMI (Human-Machine Interface). Users simply select a pre-set process curve with one click, and the system automatically completes the entire drying cycle without the need for constant supervision.
Exceptional Drying Quality: High-precision sensors monitor the kiln's temperature and humidity in real-time. The control system makes automatic and precise adjustments to ensure even drying and accurately achieve the target moisture content, effectively preventing defects such as cracking and warping.
High Efficiency, Energy Saving & Eco-Friendly: Features an efficient hot air circulation design and high-quality insulation materials for superior thermal efficiency, offering significant energy savings over traditional equipment. Supports multiple heat sources (biomass, steam, natural gas), making it economical and environmentally friendly.
Simple & Safe Operation: User-friendly Chinese graphical interface is intuitive and easy to understand. The machine includes multiple safety protection functions (e.g., over-temperature alarm, motor overload protection) for safe and reliable operation.
Robust & Durable: The main structure is constructed from high-quality materials resistant to high temperature and humidity, ensuring long-term stable operation even in harsh working conditions.
Complete Labor Liberation: Eliminates the need for experienced operators to monitor the process day and night, truly achieving "one-click start, unattended operation." Greatly reduces labor intensity and dependence on skilled workers, saving labor costs.
Increased Production Efficiency: Automated operation allows for continuous work overnight. Drying cycles are often shorter than traditional methods, speeding up inventory turnover and increasing overall production efficiency by over 40%.
Digitalized Management: Records and traces drying data for each batch, providing a solid data foundation for process optimization and quality control, enabling standardized and digitalized management.
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Technical features
Intelligent Control System: PLC + Touch Screen, capable of storing multiple drying process curves.
Precise Temperature & Humidity Control: Utilizes PID control algorithm for high control accuracy.
Efficient Hot Air Circulation: High-airflow, high-temperature resistant fans ensure uniform air distribution within the kiln.
Effective Insulation Layer: Polyurethane or rock wool insulation with sufficient thickness to minimize heat loss.
Comprehensive Alarm System: Monitors equipment status in real-time; provides immediate audible and visual alarms for abnormal conditions.
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Application scope
Suitable for all wood materials requiring precise drying, especially:
Plywood Veneer: Rotary-cut veneers like poplar, eucalyptus, pine, oak, etc；Blockboard, Eco-board Core；Engineered Wood Veneer； Wood Flooring Substrate； Furniture Panels.
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Product Packaging
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Comment & FAQ
Q:What can you purchase from us?
A:Particle board production line, directional particle board production line, medium/high fiber board production line, hot press, preforming press machine, plywood production line, automatic production line for hot press, veneer dryer, hot press, cold press machine and other woodworking machinery.
Q:How long the production time?
A:If one set machine,3-4 months;If the full production line 6-8 months.
Q:What are your advantages?
A:We have rich experience in the market, with the same cost, we do better because we have strict control of the production process. We have an independent inspection department to check the quality.
Q:How is your quality?
A:As an experienced manufacturer, the quality of our machines can be guaranteed and we have supplied our products to thousands of customers all over the world.
Q:What services can we provide?
A:Accepted delivery terms: FOB, CFR, CIF:
Accepted payment currencies: USD, EUR, RMB;
Accepted payment methods: T/T, L/C, D/P, D/A, PayPal, Western Union, Escrow;
Languages used: English, Chinese, Spanish, Russian
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Company Profile
We are Shandong MINGHUNG Wood Based Panel Machinery Co.,Ltd China factory and manufacturer of full sets of Plywood machinery and Veneer machinery. With many years production experience, advanced production technology,experienced workers and professional engineers, we can offer you the suitable, good and strong machinery for you.
The machinery we produce includes peeling machines, chipping machines, rotary cutting machines, drying machines, gluing mixers, laying machines, pre-pressing machines, hot pressing machines, cooling machines, longitudinal and transverse sawing machines, sanding machines, as well as auxiliary machinery such as automatic feeding and discharging systems and lifting platforms.
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Certifications
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Exhibition photos
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