GL-YH003

Commercial recirculating range hoods are specialized air purification devices designed for commercial kitchens, suitable for environments where external exhaust is not feasible. Their core function is to purify air through an internal recirculation system rather than venting fumes outdoors. Below is a detailed description of their features, functions, and applications:

I. Description

1. ​Structural Components​
   • ​Multi-layer filtration system: Typically includes a metal mesh (to intercept large oil droplets), an activated carbon layer (to adsorb odors and harmful gases), an electrostatic dust collection module (to capture fine particles), etc.
   • ​Built-in fan: Provides powerful suction to ensure rapid air circulation.
   • ​Purification unit: Some high-end models may feature UV sterilization or ozone disinfection.
2. ​Workflow​
   • Cooking fumes are drawn in and sequentially pass through mechanical filtration, adsorption purification, and electrostatic treatment. The cleaned air is then recirculated back into the kitchen without requiring an external duct.
3. ​Applicable Scenarios​
   • Commonly used in enclosed kitchens without external exhaust options (e.g., restaurants in malls, office building cafeterias), environmentally restricted areas, or mobile food trucks/temporary kitchens.

II. Core Functions

1. ​Purification of Fumes and Odors​
   • Efficiently removes grease particles, smoke, and cooking odors, ensuring indoor air quality.
2. ​Compliance and Environmental Protection​
   • Prevents outdoor pollution from exhaust fumes, complying with strict environmental regulations (especially in areas where external venting is prohibited).
3. ​Equipment and Personnel Protection​
   • Reduces oil buildup on walls, ceilings, and kitchenware, extending equipment lifespan.
   • Minimizes health risks for staff (e.g., respiratory issues) caused by prolonged exposure to fumes.
4. ​Energy Efficiency​
   • Avoids exhausting conditioned indoor air, reducing HVAC energy consumption—ideal for temperature-controlled environments.

III. Primary Applications

1. ​Space-Restricted Kitchens​
   • Locations like malls, office buildings, and basements where external ducting is impractical.
2. ​High Environmental Compliance Areas​
   • Sensitive zones such as tourist sites, hospitals, and schools with strict emission standards.
3. ​Mobile and Temporary Setups​
   • Food trucks, pop-up kitchens, and exhibition stalls requiring quick deployment.
4. ​Supplementary Purification​
   • Works alongside external exhaust systems as a secondary purification stage to reduce emission concentrations.