Modular longitudinal smoke exhaust subway tunnel moving body fire experiment system

An experimental system and modular technology, which is applied in the field of modular longitudinal smoke exhaust subway tunnel moving body fire experiment system, can solve the problems that the fire situations of subway tunnels with different lengths cannot be simulated and studied

Inactive Publication Date: 2017-05-31
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems existing in the prior art, the present invention provides a modular longitudinal smoke exhaust subway tunnel moving body fire experiment

Method used

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  • Modular longitudinal smoke exhaust subway tunnel moving body fire experiment system
  • Modular longitudinal smoke exhaust subway tunnel moving body fire experiment system
  • Modular longitudinal smoke exhaust subway tunnel moving body fire experiment system

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] Such as figure 1 As shown, the subway tunnel moving body fire experiment system includes tunnel main body 1, pressure test system 2, temperature test system 3, smoke analysis system 4, piston wind speed test system 5, train model movement active system 6, train model movement driven system 7. Chain transmission system 8, train model 9, transmission chain tensioner 10, smoke exhaust shaft air valve 11, chain roller 12, burner 13, speed control motor 14, reduced size jet fan 15, travel switch 16, tunnel Main body support 17, smoke exhaust shaft axial flow smoke exhaust fan 18.

[0031] Such as figure 2 As shown, the main body of the tunnel is composed of several standard sections of the reduced-scale model experiment, including the standard section of the high-temperature-resistant tunnel main body 1-1, the high-temperature-resistant flame observation...

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Abstract

The invention discloses a modular subway tunnel moving body fire scaling-down experiment system. The system comprises a tunnel body, a pressure testing system, a temperature testing system, a smoke analysis system, a piston wind speed testing system, a train model and a burner arranged in the train model, wherein the pressure testing system, the temperature testing system, the smoke analysis system and the piston wind speed testing system are arranged on the tunnel body. The tunnel body and the train model are both formed by splicing multiple scaling-down model experiment standard sections. A locomotive and the tail of the train model are connected with a train model moving driving system and a train model moving driven system through chains respectively, and a jet fan air valve, a scaling-down jet fan, a smoke shaft axial flow fan and a smoke shaft air valve are arranged on the outer tops of the standard sections of the tunnel body. The length of a model tunnel is adjusted by adjusting the number of the standard sections of the tunnel body, and subway or railway tunnel moving body fire characteristics, smoke diffusion characteristics and the piston wind rule of a smoke exhaust scheme are researched by adjusting the starting combination mode of a jet fan module and a shaft axial flow fan module.

Description

technical field [0001] The invention relates to a size reduction experiment system for multi-moving body fires in long and long subway tunnels, in particular to a modularized longitudinal smoke exhaust subway tunnel moving body fire experiment system. Background technique [0002] In recent years, as my country's high-speed rail and subway technologies have matured, the scale of tunnels under construction and newly put into use has also increased year by year. According to statistics, the frequency of tunnel fires is about 2 times per 108 vehicles per kilometer. The impact of the fire and the threat to the safety of the personnel tunnel structure are enormous. With the growth of subway tunnels, trains are often forced to slow down until they stop after a fire, and finally stay in the tunnel for emergency evacuation. This is caused by the following three situations: 1) The driving system is usually cut off when a fire occurs 2) The failure of the driving motor will also cause...

Claims

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Application Information

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IPC IPC(8): G09B25/00
CPCG09B25/00
Inventor 朱春光张欢刘敏章郑万冬崔桐由世俊
Owner TIANJIN UNIV
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