Comfortable experience of escorting the "air portal" - mobile ventilation and cooling project in the waiting hall of an international airport

[Project Background]

Recently, Ruifeng Environmental Protection Refrigeration successfully implemented a flexible mobile fan layout project for a well-known international airport terminal in China. As an important window of the city, the airport where the project is located is an international aviation hub with a huge daily throughput. As the core area for passengers to wait and rest, the environmental quality of the waiting hall directly affects passengers' "first impression" of the city.

Although the waiting hall is equipped with a central air conditioning system as a basic means of temperature control, during peak hours when flights are dense and passengers are concentrated, poor air flow and increased carbon dioxide concentration may still occur in a closed environment due to the large space and dense passenger flow, leading to feeling stuffy, dizzy, and weak. This has become a pain point that needs to be optimized and solved in HVAC engineering for large transportation buildings.

Ruifeng Plan

In response to the special environment of airport waiting halls with large space and fluctuating pedestrian flow, the design team of Ruifeng Environmental Protection Refrigeration abandoned the traditional fixed equipment thinking after in-depth investigation, comprehensively analyzed various factors such as spatial airflow organization, instantaneous passenger flow density, and equipment investment cost, and innovatively adopted a combination layout scheme of "mobile centrifugal air cooler+mobile industrial grade permanent magnet stepless speed regulating large fan".

The subtlety of this design lies in:

1. Using "motion" to control "change" and flexibly matching needs: In response to the huge uncertainty of airport passenger flow between flight schedules, the feature of mobile fans that do not require installation and are plug and play perfectly fits this dynamic demand. During peak hours, it can be quickly deployed in place, while during off peak hours or late nights, it can be moved and stored. This not only does not occupy a fixed landscape location, but also achieves the optimal configuration of equipment resources.

2. Physical cooling and restoration of "natural wind" comfort: In response to the core problem of poor air circulation in enclosed spaces, the solution has selected two types of low-cost and efficient environmentally friendly equipment. Centrifugal air coolers use the natural physical principle of "water evaporation absorbs heat". When hot air passes through a moist curtain, the heat is absorbed, thereby sending out cool, moist, and fresh fresh fresh air, effectively reducing the temperature of the local area. The mobile industrial grade large fan, on the other hand, uses large diameter blades designed with aerodynamics to generate efficient three-dimensional natural wind with a wide coverage and soft sensation, promoting sweat evaporation and heat removal, giving people a refreshing feeling as if they were outdoors.

Implementation effect

After the equipment was put into use, the original stuffiness in the waiting hall was swept away. The high volume of circulating airflow greatly improves the air environment in densely populated areas. The fresh "natural wind" not only ensures the physical and mental health of passengers, but also significantly enhances the high-end service quality of the airport. This sensory improvement indirectly increases passengers' willingness to stay and frequency of consumption in the commercial area of the terminal, bringing implicit commercial value to the airport.

From a physical principle perspective, the combination of air coolers and fans essentially enhances the thermal comfort of the human body by increasing air flow rate and reducing local sensible heat. This people-oriented approach to improving the microenvironment avoids the one size fits all high-energy cooling of the entire large space by central air conditioning, achieving a win-win situation of energy conservation, environmental protection, and comfortable experience.

[Case Extension]

The success of this international airport terminal project is not only a breakthrough for Ruifeng Environmental Protection Refrigeration in the transportation hub field, but also fully validates the universality of mobile fan solutions in special spaces and usage scenarios. There are many scenes similar to airport waiting halls, such as:

1. Large scale exhibitions and event centers: With an instantaneous surge in foot traffic and strong temporary nature, mobile devices can quickly respond.

2. Factory workshop and warehousing logistics: High space and high heat generation require targeted and precise personnel cooling.

3. Gymnasium and auditorium: intermittent use, high fixed installation cost, and prominent cost-effectiveness of mobile solutions.

This case fully proves that Ruifeng Environmental Protection Refrigeration has excellent equipment comprehensive selection ability, flexible and variable scheme design ability, and precise cost control ability when facing special scenarios such as tall spaces, large fluctuations in pedestrian flow, and no fixed installation conditions. We can not only solve the problem of whether there is ventilation, but also address the practical operational challenges of whether it is good or not and whether it is cost-effective.