Ventilation heating system for tunnels in high-altitude and cold regions as well as ventilation heating construction method
A technology for ventilation in alpine regions and tunnels. It is applied in mine/tunnel ventilation, earthwork drilling, mining equipment, etc. It can solve the problems of insufficient heating demand and poor heating effect, and achieve high practical value, convenient installation and layout, and low investment. low cost effect
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[0059] Such as figure 1 The shown is a high-altitude and high-cold area tunnel ventilation and heating system, which includes an axial fan 1, which is arranged in the tunnel 13 of the tunnel under construction, and the air duct 2 arranged in the tunnel 13 of the under construction tunnel. The ventilation heating pipe 3 for heating the cold air sent into the constructed tunnel through the axial fan 1, and the air pipe 2 is located on the front side of the axial fan 1. The ventilation heating pipe 3 is installed on the air pipe 2 and connected with the air pipe 2 to form a ventilating pipe connected to the air outlet of the axial fan 1.
[0060] Such as figure 2 , image 3 , Figure 4 , Figure 5 and Image 6 As shown, the ventilation heating tube 3 includes a circular heating tube 3-1 and an air outlet 3-3 and an air inlet 3-2 respectively installed at the front and rear ends of the circular heating tube 3-1; the circular heating tube 3- 1 Including the outer steel pipe 3-1-1, th...
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