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The fresh air system for commercial kitchen equipment is very important.

Release time:

2021-06-21

The fresh air system is an independent air handling system composed of fresh air ventilators and duct accessories. The fresh air ventilator filters and purifies outdoor fresh air and delivers it indoors through ducts. The kitchen fresh air system installs such a ventilator in the kitchen.

What is a kitchen fresh air system ?

The fresh air system is an independent air treatment system composed of a fresh air ventilator and duct accessories. The fresh air ventilator filters and purifies outdoor fresh air and delivers it indoors through ducts. The kitchen fresh air system installs such a ventilator in the kitchen. Its working principle is to send fresh air into the kitchen from one side using specialized equipment and to exhaust air outside from the other side, creating a "fresh air flow field" in the kitchen, thus meeting the need for fresh air ventilation and expelling harmful gases outside.

What are the benefits of installing a kitchen fresh air system?

1. Helps keep the kitchen clean

Kitchens have many sources of pollution, and many kitchen spaces are small and poorly ventilated, leading to unclean conditions that are hard to clean. After using the kitchen fresh air system, good ventilation will be established after cooking, preventing the kitchen from being filled with grease.

2. Good ventilation effect

The kitchen fresh air system delivers cool air to the stuffy kitchen through cooling, improving comfort in the kitchen environment. Moreover, the kitchen fresh air system has a simple structure, is easy to install, and has good cooling effects. It is a type of kitchen air conditioning that does not occupy indoor kitchen space while delivering fresh air into the kitchen. It can quickly expel odors from the kitchen, providing a quiet and comfortable environment for cooking, while also expelling polluted air and thoroughly filtering and purifying it before introducing fresh outdoor air through the air supply outlet.

3. Beneficial to human health

According to a survey by the World Environmental Organization, PM2.5 levels in the kitchen can soar nearly 20 times after 5 minutes of cooking. PM2.5 is generated from the smoke and gases produced during cooking. PM2.5 can "kill" cells and may induce lung cancer. To eliminate PM2.5, good ventilation in the kitchen is essential. The kitchen fresh air system can achieve good ventilation. It can serve the function of a range hood and can also be used as kitchen air conditioning. It can expel harmful gases from the kitchen through fresh air flow, introduce fresh outdoor air, achieve good ventilation, maintain kitchen cleanliness, and benefit human health, making it an essential choice for a perfect kitchen.

Kitchen fresh air system design plan

1. Define the direction of the fresh air duct

Fresh air enters from cleaner areas and is expelled from polluted areas. Generally, polluted air is expelled from bathrooms, toilets, and kitchen cooking areas, while fresh air is introduced from outdoor areas. It is delivered to various required areas through ducts.

2. Determine the exhaust volume in the kitchen

The exhaust volume in the kitchen is first accurately calculated based on the number of cooking appliance hoods, determining the total exhaust volume. The fresh air volume is calculated based on the total exhaust volume. Generally, the fresh air volume in a relatively closed room is 1/2 of the total exhaust volume to maintain indoor air pressure balance, allowing oil and smoke to be expelled smoothly while ensuring comfort.

3. Quality of fresh air

Through front-end filtering devices, ensure that the introduced air is clean and odorless. Therefore, the effectiveness of the filtering device is very important, and selecting suitable air intake points is also crucial.

4. Zone control

In practical commercial kitchens, a zone control installation configuration method is adopted. This means dividing the kitchen into several areas, with each area allocated a total fresh air volume based on exhaust volume, area, and air quality, controlled through duct fire dampers.

Installation of the kitchen fresh air system

1. The kitchen fresh air system is very easy to install and can be placed inside the kitchen ceiling. The operation is also convenient and quick, and it does not produce wind noise during operation.

2. The fresh air system consists of high-efficiency fans, air inlets, exhaust outlets, and various ducts and joints.

The working principle is: in areas with severe pollution in the kitchen (such as cooking appliance hood areas, initial processing areas, and raw cooking areas), exhaust is implemented. The indoor negative pressure created by the exhaust allows outdoor fresh air to continuously enter through the air inlets set in the window frames or walls. The paths and volumes of exhaust and intake air are allocated after strict calculations. Additionally, the air inlets can filter and reduce noise for the incoming fresh air.

3. In practice, a zone control installation configuration method is adopted.

This means dividing the kitchen into several areas, with each area allocated a total fresh air volume based on exhaust volume, area, and air quality, controlled through duct fire dampers.

The commercial kitchen fresh air system is part of the commercial kitchen project. The fresh air system for commercial kitchen equipment is very important. A successful fresh air system must first ensure balanced air volume and pressure without significantly affecting the original indoor temperature. Secondly, the airflow must be smooth, reasonable, and comfortable. Additionally, the ventilation time is crucial, as kitchen staff are constantly breathing while working and need fresh air at all times. Therefore, the ventilation in commercial kitchens must ensure uninterrupted operation during working hours. It is also essential to ensure that the incoming fresh air is clean and healthy.

Currently, the fresh air system's effectiveness is greatly influenced by the initial selection and installation, as well as later use and maintenance. Dongfang and Li Kitchen Industry recommend that when choosing fresh air system equipment, one should select products that meet their needs. For the choice of installation companies, it is advisable to choose professional installers from fresh air system manufacturers or find installation companies with installation qualifications.

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