A multi-storey underground garage smoke exhaust system and its multi-storey underground garage
A technology for underground garages and smoke exhaust systems, which is applied to ventilation systems, buildings where cars are parked, heating methods, etc., can solve the problems of large area occupied by smoke exhaust systems, complicated installation and arrangement of pipes, and high waste of pipes, and saves energy. The effect of underground garage space, floor height reduction, and civil construction cost reduction
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Embodiment 1
[0053] like figure 1 , 3 As shown, a smoke exhaust system for a multi-storey underground garage. Several vertical air ducts 3; several vertical air ducts 3 communicate with the horizontal main air duct 2, and the horizontal main air duct 2 is connected with the smoke exhaust fan in the smoke exhaust machine room 1; the vertical air duct 3 is underground on each floor There is a smoke exhaust port 4 in the garage; the vertical air duct 3 is composed of a number of connecting embedded parts 31 embedded on the floor 12 and a number of smoke exhaust pipe joints 32; Connected and respectively connected to the upper and lower ends of the embedded parts 31; the smoke exhaust port 4 is set on the smoke exhaust pipe joint 32; the negative pressure is formed in the horizontal main air duct 2 and the vertical air duct 3 through the exhaust fan to make the garage Exhaust smoke from inside. Smoke outlet 4 is arranged on the top of each floor garage. A normally open fire protection part...
Embodiment 2
[0064] This embodiment differs from Embodiment 1 in that:
[0065] like figure 2 , 11 As shown, the garage of the present embodiment is three floors, and centrifugal fans 6 are all arranged on the smoke exhaust pipe joints 32 in the negative two-story and negative three-story garages. The smoke exhaust fans in the smoke exhaust machine room 1 are used in conjunction with each other, and the two centrifugal fans 6 on the same vertical air duct 3 can also cooperate with each other. Driven by the centrifugal fan 6 in the garage on the second floor and the exhaust fan in the smoke exhaust machine room 1, the one-way valve 62 of the centrifugal fan 6 in the garage on the third floor is opened under negative pressure, and the negative pressure can also be discharged. Smoke in the triple garage. The entire smoke exhaust system structure is safe and reliable to install. like Figure 11 As shown, the centrifugal fan 6 in the negative two-story garage can be arranged between the s...
Embodiment 3
[0067] like Figure 8 As shown, a multi-storey underground garage includes the above-mentioned two-story or three-story underground garage smoke exhaust system. Several beams 10 of the underground garage are offset and overlapped with pillars 11, and are formed between one side of the beam 10 and the pillars 11. An offset position 13 at which the connection embedded part 31 is arranged. The connecting embedded part 31 is arranged on the floor 12 around the beam 10 . The beam 10 and the column 11 of the underground garage are offset, and the entire vertical air duct 3 can be arranged at the offset position 13, which does not occupy the indoor space, and is beautiful and tidy; at the same time, the smoke exhaust pipe joint 32 can also be arranged in the wall 9, The connecting embedded part 31 is set at the offset position 13 and set around the beam 10, so that the entire vertical air duct 3 can be hidden.
[0068] The multi-storey underground garage of the present invention ca...
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