Ventilation system and method for subway equipment room
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A ventilation system and equipment technology, applied in ventilation systems, air conditioning systems, mechanical equipment, etc., can solve problems such as poor comfort, reduce the scale of civil works, and reduce the height of space, achieve precise control of room air environment, optimize subway ventilation systems, reduce The effect of space height
Pending Publication Date: 2020-09-29
CHINA RAILWAY TUNNEL SURVEY & DESIGN INST +1
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[0006] In order to solve the problems of complex pipelines, large space requirements, inconvenient maintenance, and poor comfort caused by the all-air system, the embodiment of the present invention provides a ventilation system and method for subway equipment rooms, which simplifies the ventilation system of subway equipment rooms , to control the air environment of the room more precisely, reduce the size of the pipeline, reduce the height of the space, reduce the scale of civil engineering, and optimize the ventilation system of the subway
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Embodiment 1
[0042] This embodiment provides a ventilation system for subway equipment rooms, such as figure 2 As shown, considering that there are many subway equipment rooms in the actual situation, it cannot be completely drawn in the figure, so four rooms represent four types of equipment rooms as an example, and R1 is the management room that runs for 18 hours (generally including : station master's room, conference room, police room, rest room, shift room, changing room, work area office, security inspection room, etc.); R2 is an equipment room that operates 24 hours without a gas fire extinguishing system, and the indoor design temperature is 27 ℃; R3 is an equipment room with a gas fire extinguishing system running for 24 hours, and the indoor design temperature is 27°C; R4 is an equipment room with a gas fire extinguishing system running for 24 hours, and the indoor design temperature is 36°C.
[0043] The ventilation system includes fresh fan 1, air supply main pipe 2, air suppl...
Embodiment 2
[0048] This embodiment discloses a ventilation method for subway equipment rooms, such as image 3 , Figure 4 As shown, the ventilation method is realized by the subway equipment room ventilation system provided in embodiment 1, and the method includes:
[0049] Under normal conditions, such as image 3 shown, including the following steps:
[0050] Step S101, turn on the fresh air fan, the exhaust fan, and the electric on-off valve.
[0051] The electronically controlled on-off valve can be realized by an electric smoke-proof fire damper and / or an electric air volume regulating valve, and the electrically-controlled on-off valve is installed at the air supply branch pipes and the air exhaust of the spare room R3 and R4 of the subway spare room R3 and R4 provided with a gas fire extinguishing system. The branch pipes and the centralized air outlet of the corridor are respectively the air supply electric control on-off valve, the exhaust air electric control on-off valve an...
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Abstract
The invention provides a ventilation system and method for a subway equipment room. The system and the method used for solving the problems of complex pipelines, large space requirement, inconvenientmaintenance and poor comfort of an all-air system. A fresh air machine of the ventilation system communicates with an air supply drying pipe, the air supply drying pipe communicates with air supply branch pipes, the subway equipment room communicates with at least one air supply branch pipe, and the air supply branch pipes are provided with air supply openings in the subway equipment room; an exhaust fan communicates with an exhaust air drying pipe, and the exhaust air drying pipe communicates with an exhaust branch pipe; the exhaust branch pipe communicates with a corridor, and a centralizedexhaust port is arranged in the corridor; the air exhaust branch pipe communicates with the subway equipment room provided with a gas fire extinguishing system, and a low-level air exhaust port is arranged in the subway equipment room; the air supply branch pipes and the air exhaust branch pipe are provided with electric control switch valves; and a multi-connection air conditioner is installed ina plurality of subway equipment rooms. The system and the method simplify and optimize the ventilation system for the subway equipment room, more accurately control the room air environment, reduce the pipeline size, reduce the space height and reduce the civil engineering scale.
Description
technical field [0001] The invention belongs to the field of underground space ventilation and disaster prevention, in particular to a ventilation system and method for subway equipment rooms. Background technique [0002] At present, the domestic subway ventilation system generally adopts the all-air ventilation system, such as figure 1 As shown, the combination of combined air-conditioning unit and return / exhaust fan is used to ventilate the underground station. However, as more and more subway stations are built and put into use, the disadvantages of the all-air system are gradually revealed, mainly in the following aspects: [0003] 1. At present, the pipelines in domestic subway stations are intricate and various, especially the ventilation pipelines occupy the largest space; in order to achieve the purpose of energy saving, the subway ventilation system sets up air conditioners for different types of equipment management rooms, according to differences in usage time, ...
Claims
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Application Information
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