Tunnel jet fan

Release date: 2024-12-19 10:21:13 Reading volume: 4940 Author: Keruite

Tunnel jet fan is a special type of axial fan mainly used in longitudinal ventilation systems of tun

Tunnel jet fan is a special type of axial fan mainly used in longitudinal ventilation systems of tunnels such as highways, railways, and subways, providing all the thrust; It can also be used in sensitive areas of semi transverse ventilation systems or transverse ventilation systems, such as the inlet and outlet of tunnels, to induce airflow or exhaust smoke.

1、 Introduction to Jet Fan
Jet fan is a special axial flow fan with open inlet and outlet. Under these working conditions, the fan is designed to have the highest efficiency (greater than operating at a working point with a certain static pressure). The force exerted by a jet fan on the air, commonly known as thrust, is equal to and opposite to the force acting on the fan support.
2、 Key points for product selection
1. The selected control parameters for the jet fan are: air volume, air pressure, noise, etc.
2. Jet ventilation fans are mainly used in longitudinal ventilation systems of parking lots or other sports and commercial venues. The fans are generally hung on the top or both sides of the room, do not occupy building area, and do not require additional air ducts. They have the characteristics of high efficiency, low noise, smooth operation, and easy maintenance.
3、 execution standards
Product standards
GB/T13274-1991 Technical Conditions for General Purpose Axial Flow Fans
GB/T3235-1999 "Basic Types, Dimensional Parameters and Performance Curves of Ventilators"
GB/T2888 "Measurement Method for Noise of Fans and Roots Blowers"
JB/T8690-1998 "Noise Limits for Industrial Ventilators"
GB19761-2005 "Functional Efficiency Limits and Energy Efficiency Evaluation Values for Ventilators"
Engineering standards
GB/T10178-88 "Field testing of ventilation fans"
GB50275-98 "Code for Construction and Acceptance of Compressor, Fan, and Pump Installation Engineering"
GB50243-2002 "Code for Acceptance of Construction Quality of Ventilation and Air Conditioning Engineering"
GB50019-2003 "Design Code for Heating, Ventilation and Air Conditioning"

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