Product Concept
The explosion-proof vacuum box is a special piece of equipment developed for high-risk environments, which ensures absolute safety when handling flammable and explosive substances in a vacuum through a triple protection system:
1. Structural explosion-proof
2. Process explosion-proof
3. Electrical explosion protection
Product Features
1. High sealing performance
2. Stable vacuum environment
3. Versatility
4. Intelligent operation
Working Principle
Sealing and explosion-proof structure are the core of explosion-proof vacuum box design. The vacuum pump system can be used to extract the air in the box to form a vacuum environment with a lower air pressure than the outside. This process can not only remove oxygen and other components that may cause explosions, but also effectively remove moisture and other impurities, providing a pure and stable environment for the sample. This can remove some components that are prone to explosions, and can also remove moisture and impurities.
Flameproof Structure
When an explosion occurs inside, the flame and pressure wave will be confined inside the box and discharged after cooling through a specific gap, thus avoiding ignition of combustible materials in the surrounding environment.
Pressure Relief Device
In extreme cases, if the internal pressure exceeds the set value, the pressure relief valve will automatically open to release excess pressure and protect the box structure from being damaged.
Intrinsically Safe Circuit
For built-in electrical components (such as temperature sensors, control systems, etc.), a low-power, low-voltage design is adopted to ensure that even if an electric spark is generated, it will not cause an explosion.
Application Areas
1. Chemical industry
They can be used to store flammable and explosive substances produced during chemical production to avoid oxidation reactions or spontaneous combustion due to contact with air.
2. Pharmaceutical industry
They provide a safe and reliable environment for drug synthesis, crystallization, drying and other processes, ensuring the quality and safety of drugs.
3. Electronics industry
They can perform operations such as packaging and welding under anaerobic conditions to prevent the formation of an oxide layer and improve product performance and reliability.
4. Food processing industry
Some special foods (processing needs to be carried out in a low-oxygen environment to extend the shelf life and maintain the flavor. Explosion-proof vacuum boxes can be used for pre-packaging treatment of such foods to ensure food safety and hygiene.
Customization Capabilities
Size and Volume: 30L～2000L + non-standard customization, adaptable to production line and workshop layout.
Explosion-proof Rating: Customized according to on-site hazardous gas (IIA/IIB/IIC) and temperature group (T1–T4).
Temperature/Vacuum: Ultra-high temperature (300℃+), high vacuum (below 10Pa), customized programmable temperature/pressure control.
Structure and Function: Trolley type, multi-layer independent temperature control shelves, multi-chamber, inert gas filling, solvent recovery system.
Materials: 316L stainless steel, titanium alloy, etc., suitable for highly corrosive materials.
Control: PLC touch screen, remote monitoring, data logging, and integration with production line automation.
For detailed information and in-depth technical information about explosion-proof vacuum boxes, please contact our engineers, company phone: 025-85710008/ 85710818; Nanjing Zhuoding Heating Equipment Co., Ltd.
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