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Jet fans

Jet fans are a special type of axial flow fan primarily used for ventilation and air exchange in tunnels, underground parking lots, and similar environments.

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Description

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Product Description

Jet fans are a special type of axial flow fan primarily used for ventilation and air exchange in tunnels, underground parking lots, and similar environments.

Working Principle

During operation, jet fans draw a portion of the air from one end of the tunnel into the fan, accelerate it through the impeller, and then expel it at high speed from the other end of the fan. This high-energy airflow transfers its energy to other gases within the tunnel, thereby driving the air within the tunnel to flow in the direction of the jet fan's expelled air, achieving the purpose of drawing in fresh air from one end of the tunnel and expelling stale air from the other end.

Structural Composition

Taking the SDS series jet fan as an example, it typically consists of a bell mouth, silencer, diffuser, fan section, and electric motor. The impeller comprises blades and a hub, with the blades often being adjustable wing-shaped and the hub made of cast steel or die-cast aluminum. The fan frame, casing, and other steel structures undergo hot-dip galvanizing or high-temperature resistant paint treatment. The electric motor is a squirrel cage fully enclosed type, directly connected to the hub.

Characteristics of Jet Fans

High efficiency and energy saving: Utilizing advanced design and manufacturing processes, they can effectively utilize gas kinetic energy, improve fan efficiency, and achieve energy savings. Low noise: Optimized design of the blades and intake port, and further reduction of operational noise through measures such as adding silencers. Compact size: Overall dimensions are small, allowing flexible installation in confined spaces, such as suspended on the top or sides of tunnels, without occupying building area and without the need for additional duct construction. Easy maintenance: Relatively simple structure, with components that are less prone to damage, resulting in minimal daily maintenance workload. Difficult to adjust airflow intensity: The airflow intensity is usually very high, which may not meet the needs of some applications requiring precise airflow adjustment. Low static pressure: The static pressure generated during operation is relatively low, making it unsuitable for some special applications requiring higher static pressure. Susceptible to external influences: The airflow is relatively concentrated, and changes in the external environment can significantly impact its performance, necessitating additional adjustments and maintenance.

Applications of Tunnel Jet Fans

Tunnel ventilation: Primarily used in the longitudinal ventilation systems of road, railway, and subway tunnels, providing full thrust. It can also be used in sensitive areas of semi-transverse or transverse ventilation systems, such as tunnel entrances and exits, to induce airflow or exhaust smoke. Underground parking lots: Replacing traditional duct systems, fans are arranged along the lanes to form an 'air corridor,' pushing exhaust gases to the exhaust outlets, solving CO and exhaust gas accumulation issues. Large spaces: Such as industrial plants, warehousing logistics centers, sports arenas, and exhibition centers, to eliminate thermal air stratification, promote uniform air circulation, and achieve windless air conditioning effects.。

Zibo Hongcheng Fan Co., Ltd. specializes in producing over 50 series of fans and more than 600 specifications and models, offering a complete range of specifications and models. Custom production and processing according to drawings are available. Welcome to contact us for cooperation.

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Products

Products

Which wind turbine manufacturer leads in innovation?

How are Chinese wind turbine manufacturers innovating?

How does a titanium fan benefit sustainability?

How do power plant fans drive sustainability?

How do centrifugal steel mill fans boost efficiency?

How is a fan drive shaft crucial for sustainability?

Jet fans

Description

marker

Product Description

Working Principle

Structural Composition

Characteristics of Jet Fans

Applications of Tunnel Jet Fans

contact us

Related popular products

Boiler centrifugal induced draft fans

Roots blower

Wear-resistant centrifugal fans

High-temperature draft fans

Titanium fans

HTF type fire smoke exhaust axial fan

JK series of mine local exhaust fans

FBCDZ coal mine main ventilator

Stainless steel centrifugal fan

Fan motor

High-pressure centrifugal blowers

Anti-corrosion centrifugal fans

Boiler centrifugal blowers

XQ-type inclined chute high-pressure centrifugal fan

Mixed-flow fans

Desulfurization fans

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