Combined type smoke spreading research model apparatus for fire hazard in subway transfer station

Abstract

The invention discloses a combined type smoke spreading research model apparatus for a fire hazard in a subway transfer station. A station hall layer module is positioned on the uppermost layer of the model, the station hall layer module and line platform layer modules are connected through bidirectional stair or elevator ports for connection, a ventilation smoke evacuation system is installed on the ceiling of the platform layer modules, and the tail ends of air ducts are provided with an air quantity regulators and connected with blower fans. Fire source / hot smoke generating devices are arranged on the platform layer modules. Under a fire source condition, a fuel plate is placed in a fireproof base plate and sent into the model. Under a hot smoke condition, a cake tobacco burns in a smoke generating furnace, the fuel plate is heated under the smoke generating furnace, and smoke enters into a smoke generation air channel and sent to the model through smoke collecting fan housing. The combined type smoke spreading research model apparatus is built in a modularized way, is simple in structure, flexible and convenient in dismounting and assembly, and can simulate subway platforms with different structures. Multiple fire sources condition in a station can be simulated, and fire safety performance assessment and analysis for large subway transfer stations can be performed.

Description

technical field [0001] The invention designs a fire experimental research device, in particular relates to an experimental device of a subway transfer station model with a combination system of multiple working conditions for fire smoke diffusion research, and belongs to the technical field of subway safety experiments. Background technique [0002] The subway has the characteristics of large passenger capacity, fast, safe, punctual, and comfortable operation, low operating costs, low environmental pollution, and high comprehensive economic efficiency. It is an effective way to solve problems such as urban road traffic congestion and residents' difficulty in traveling. Fires in subway stations are the most harmful part of urban traffic disasters. Due to the closed environment of the subway station and the difficulty of escape and rescue, once a fire breaks out in the station, it often causes serious casualties, huge social impact and economic losses. Smoke is the main facto...

AI Technical Summary

Problems solved by technology

In addition, the device also overcomes the shortcomings of the too small (less than 1:25) scale model experimental device, which has few operable working conditions, difficult observation, and difficulty in flexibly controlling the fire source and smoke intensity.

Images