Subway platform smoke exhausting method used with screen door system compatibly
A technology for subway platforms and screen doors, which is applied in earth cube drilling, ventilation of mines/tunnels, mining equipment, etc. It can solve problems such as large cross-sectional area of smoke exhaust pipes, increased station construction costs, and poor sense of space in platform buildings.
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Embodiment 1
[0015] Embodiment one: if figure 1 As shown, track 1 and track 5 are the tracks of the up and down subway, which are located on both sides of the platform waiting area 3 . Screen doors 12, 13 are located on both sides of the platform waiting area 3. The platform waiting area 3 is provided with a heat exhaust air pipe 2 and a heat exhaust air pipe 4 respectively above the track, and the two heat exhaust air pipes are respectively connected to the heat exhaust chamber 7 and the heat exhaust fan system located on one side of the platform waiting area. Air valves 8 and 9 are respectively provided at the joints of the exhaust heat pipes 2 and 4 with the heat discharge chamber 7 to control the working state of the exhaust heat pipes 2 and 4 . The heat exhausting chamber 7 has a centralized smoke exhaust outlet 6 on the side surface adjacent to the waiting platform area, that is, the opening of the centralized smoke exhaust outlet 6 leads to the platform waiting area 3 .
Embodiment 2
[0016] Embodiment two: if figure 2 As shown, the concentrated smoke exhaust port 6 is connected with a smoke exhaust pipe 10, and the joint between the smoke exhaust pipe 10 and the heat exhaust chamber 7 is provided with a damper 11, and the damper 11 controls the work of the smoke exhaust pipe 10 and the centralized exhaust vent 14. state.
[0017] In the above-mentioned embodiment, a branch pipe is led out from the existing heat exhaust fan system of the station and installed at the screen door end door near the station end of the heat exhaust fan, or a centralized smoke exhaust port is set on the wall adjacent to the heat exhaust chamber 7 and the platform waiting area. 6. Use the opening and closing of the damper to switch working conditions.
[0018] Under normal working conditions, the heat exhaust chamber 7 is used for the heat exhaust function. At this time, the air valves 8 and 9 are opened, and the heat exhaust chamber 7, its heat exhaust fans and the heat exhaust...
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