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Application and selection guide of centrifugal fans in underground garages, subways and other places

centrifugal compressor

Centrifugal fans are more and more widely used in underground garages, subways and other places, mainly for ventilation, smoke exhaust, air supply and other purposes. These places have certain requirements for air quality, temperature and humidity and other environmental conditions.

Therefore, the selection and design of centrifugal fans need to be selected according to the actual application places and requirements.

centrifugal gas compressor

Application Scenario

Centrifugal fans are mainly used in the following aspects in underground garages, subways and other places:

  • Ventilation:

The air inside underground garages, subways and other places needs to be circulated and ventilated to ensure the air quality and comfort inside the place.

  • Smoke exhaust:

When a fire or other emergency occurs in underground garages, subways and other places, smoke exhaust treatment is required to ensure the safety of the inside of the place.

  • Air supply:

Underground garages, subways and other places need to carry out air supply treatment to ensure the stability and optimization of environmental conditions such as temperature and humidity inside the place.

oil free centrifugal compressor

performance requirements

Centrifugal fans need to have the following performance requirements in underground garages, subways and other places:

  • Stable air volume and air pressure:

It is necessary to select the appropriate air volume and air pressure according to the size, shape, number of users and other factors of the site to ensure the ventilation, smoke exhaust, and air supply requirements inside the site.

  • Low noise:

Underground garages, subways and other places have low noise requirements, so it is necessary to choose a centrifugal fan with low noise so as not to affect the quiet environment inside the place.

industrial centrifugal compressor

  • High energy efficiency:

The energy efficiency performance of a centrifugal fan has a significant impact on a site’s operating costs and energy consumption. Therefore, it is necessary to choose a centrifugal fan with higher energy efficiency when selecting a model to reduce energy consumption and operating costs.

  • Corrosion resistance:

Underground garages, subways and other places have high humidity, and centrifugal fans are susceptible to corrosion and damage. Therefore, it is necessary to select materials that are resistant to corrosion and centrifugal fans with good corrosion resistance to ensure the life and stable operation of the fans.

  • High-efficiency filtration:

Centrifugal fans need to be equipped with appropriate air filters to filter dust, bacteria and other harmful substances in the air to ensure the air quality inside the place.

Selection Guide

When selecting a centrifugal fan, the following factors need to be considered:

  • The size and shape of the place:

It is necessary to select the appropriate air volume and wind pressure according to the size and shape of the place to ensure the ventilation, smoke exhaust, and air supply requirements inside the place.

  • The number of users and equipment in the place:

It is necessary to consider the number of users and equipment in the place to choose a suitable centrifugal fan.centrifugal turbo compressor

  • Noise requirements:

Underground garages, subways and other places have relatively low noise requirements, and centrifugal fans with low noise need to be selected so as not to affect the quiet environment inside the place.

  • Energy efficiency requirements:

The energy efficiency performance of a centrifugal fan has an important impact on the operating costs and energy consumption of a site. Therefore, it is necessary to choose a centrifugal fan with higher energy efficiency when selecting a model to reduce energy consumption and operating costs.

  • Material and anti-corrosion performance:

The humidity in places such as underground garages and subways is high, and centrifugal fans are susceptible to corrosion and damage. Therefore, it is necessary to select materials that are resistant to corrosion and centrifugal fans with good corrosion resistance to ensure the life and stable operation of the fans.

  • Air filtration requirements:

Centrifugal fans need to be equipped with appropriate air filters to filter dust, bacteria and other harmful substances in the air to ensure the air quality inside the site. Factors such as filter type, filtration level, and replacement cycle need to be considered.

  • Installation and maintenance requirements:

The installation and maintenance of centrifugal fans also needs to be considered. It is necessary to choose a centrifugal fan that is easy to install and maintain to reduce maintenance costs and time.

  • Relevant standards and specifications:

The application of centrifugal fans in underground garages, subways and other places needs to comply with relevant standards and specifications, such as GB50067-2014 “Code for Design of Ventilation and Air Conditioning for Underground Buildings” and so on.

centrifugal air compressor

To sum up, the application and selection of centrifugal fans in underground garages, subways and other places need to consider many factors, such as the size and shape of the place, the number of users and equipment, noise requirements, energy efficiency requirements, materials and anti-corrosion properties, Air filtration requirements, installation and maintenance requirements, etc.

When selecting the type, it is necessary to select and design according to the actual application site and requirements to ensure the performance and stable operation of the centrifugal fan.

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