Self-silencing type axial flow fan ventilation system for tunnel
An axial flow fan and ventilation system technology, which is used in the ventilation of mines/tunnels, components of pumping devices for elastic fluids, mechanical equipment, etc. problems, to achieve the effect of reducing the overall cost, reducing the installation space, and reducing the air flow resistance
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[0032] In order to easily understand the technical means, creative features, goals and effects of the present invention, the present invention will be further described below in conjunction with specific illustrations.
[0033] "Left" and "right" in the following expressions mean that they are on the left or right when viewed from the small mouth end of the trumpet-shaped housing 8.
[0034] Such as Figure 1-Figure 6 As shown, a self-silencing type axial flow fan ventilation system for a tunnel, it includes a fan room 1, an air outlet channel 2, ventilation equipment, one side of the fan room 1 is provided with an air inlet 19 communicating with the tunnel, and the other side of the fan room 1 One side is provided with an air outlet channel 2 vertically connected to the ground;
[0035] Ventilation equipment includes air valve 3, muffler collector 4, axial flow fan 5, and muffler diffuser 6;
[0036] The air inlet end of the air valve 3 is connected to the air inlet 19 of t...
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