In industries such as pharmaceuticals, food processing, chemicals, and electronic materials—where drying precision and cleanliness are critical—achieving efficient, uniform, and oxidation-free drying has always been a top priority for manufacturers. To address this challenge, we proudly introduce our next-generation Hot Air Circulation Vacuum Drying Equipment, which seamlessly integrates vacuum technology with hot air circulation to deliver a safer, more energy-efficient, and intelligent drying solution.
This innovative equipment combines hot air circulation with a vacuum environment, enabling highly efficient and uniform drying under negative pressure. It is especially ideal for heat-sensitive, oxidation-prone, or compositionally complex materials—making it the optimal choice for enhancing product quality while reducing energy consumption.
Core Technologies and Key Advantages
1. High Efficiency & Energy Savings – Lower Operating Costs
Conventional drying systems typically achieve thermal efficiencies of only 3–7%. In contrast, our Hot Air Circulation Vacuum Drying Equipment features a fully enclosed recirculation system that reuses most of the heat within the chamber, boosting thermal efficiency to 35–45%, and even exceeding 50% in some cases. This translates into significantly reduced energy consumption and direct cost savings for your operations.
2. Uniform Heating – Consistent Product Quality
The equipment employs a full-surface heating design, ensuring uniform temperature distribution across all surfaces of the drying chamber—including the top, bottom, rear wall, and door. Combined with forced-air circulation and adjustable air-distribution plates, it eliminates hot spots and incomplete drying, guaranteeing consistent product quality across every batch.
3. Intelligent Control – Simple and User-Friendly Operation
Equipped with an advanced automatic temperature control system, the unit offers precise and reliable temperature management. Users can choose from multiple control modes based on material requirements: digital microcomputer control, programmable temperature profiles, or centralized computer control. With stable performance, low noise, and easy installation and maintenance, the equipment greatly reduces operator workload.
4. Flexible Heat Source Options – Broad Adaptability
The system supports various heating methods, including steam, electric, thermal oil, far-infrared, and hybrid steam-electric configurations. It covers a wide temperature range to suit diverse applications:
Steam heating: 50–140°C (up to 150°C max)
Electric / Far-infrared heating: 50–350°C
Recommended steam pressure: 0.02–0.8 MPa
5. Significantly Reduced Drying Time
Compared to conventional hot air dryers without vacuum, our equipment can cut drying time by nearly 50%. For specific materials—such as electromagnetic coils—adding optional DC auxiliary heating can further reduce drying time by up to 75%.
Wide Range of Applications
Pharmaceuticals: Drying of active pharmaceutical ingredients (APIs), herbal extracts, biologics, and other heat-sensitive materials
Food Industry: Low-temperature dehydration of fruit/vegetable powders, probiotics, and functional foods
New Energy Materials: Drying of lithium-ion battery cathodes, anodes, separators, and related components
Fine Chemicals: Processing of catalysts, nanomaterials, and polymer compounds
Electronics: Clean drying of ceramic substrates, capacitors, and sensitive electronic parts
Choosing our Hot Air Circulation Vacuum Drying Equipment means choosing an efficient, energy-saving, and reliable drying solution. We are committed to empowering our customers with cutting-edge technology, superior product quality, and comprehensive service support—helping you enhance product consistency, reduce production costs, and strengthen market competitiveness.