This vacuum lumber kiln equipment adopts internal self-heating technology: high-frequency electromagnetic fields cause water dipoles inside the wood to vibrate and rub at high speed, generating heat. Due to water’s high heat capacity, the wood temperature rises rapidly, forming a pressure gradient of “higher internal temperature and lower external pressure.” This gradient effectively promotes the discharge of moisture from the wood’s interior to the outside.
By integrating the advantages of high-frequency heating and negative-pressure vacuum drying technology, this equipment delivers optimal wood drying performance.
- Power & Component Reliability: Available with high-frequency output power of 28KW or 48KW. Features a scientific and rational circuit design, plus an intuitive, user-friendly control panel. Core control components (relays, contactors, etc.) are sourced from renowned European brands such as Schneider, Siemens, and OMRON. Instructional and operational parts (indicator lights, buttons, etc.) adopt top-tier domestic brands for stability and durability.
- Automatic Tuning & Fault Detection: Equipped with automatic high-frequency tuning—no manual adjustment required, enabling unattended operation. The built-in fault detection system monitors equipment status in real time. In case of malfunctions, the equipment automatically cuts off power, triggers an alarm, and displays fault details for quick troubleshooting.
- Precise Temperature & Humidity Detection: Temperature is measured via an optical fiber detection device, ensuring accuracy without interference from high-frequency signals—critical for achieving flawless drying results. Humidity detection utilizes a unique load-sensing method: the PLC calculates the wood’s exact moisture content based on initial weight and real-time weight changes during drying, completely avoiding the significant measurement errors common with traditional metal probes.
- Intelligent Process Control: All drying parameters and wood status are clearly displayed on a touch screen. Users can set, modify, and save heating processes on the screen; saved processes support one-click startup for convenience. Process curves can be pre-programmed to eliminate human errors.
- Mechanical & Electrical Interlock Safety: A safety interlock system ensures the high-frequency generator cannot be activated if the tank door is not fully closed (whether manually or automatically). Opening the tank door during operation forces an immediate shutdown of the high-frequency system to prevent hazards.
- Emergency Stop Function: The control panel is fitted with an emergency stop button. In case of emergencies, pressing this button cuts off power to the entire machine instantly, ensuring operator and equipment safety.
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