Turbulence fire extinguishing partition experiment device

Abstract

The invention discloses a turbulent flow fire extinguishing partition experiment device. Theturbulent flow fire extinguishing partition experiment device comprises a gas tank, a connecting plate and a partition plate, the outer end of the connecting plate is fixedly connected with the inner wall of the gas tank, and the inner end of the connecting plate is fixedly connected with the outer end of the partition plate.The invention relates to the technical field of fire treatment devices. According to the fan blade type vortex flame device, the baffle can control gas circulation and flow speed and seal gas in a sliding mode, two to four kinds of gas can be filled for experiments according to experiment requirements, the experiment diversity is improved, and fire extinguishing performance comparison experiments can be conducted on various kinds of fire extinguishing gas under the same condition; the three gas inlet pipelines are closed, the ventilation pipeline is opened, fire extinguishing gas is introduced, the situation that on-site firefighters can only extinguish fire on one side due to terrain limitation in the face of fire is simulated, guiding significance can be provided for on-site fire extinguishing according to experimental data, the gas inlet speed and the size of the air inlet are dynamically changed, observation of influence of gas flow velocity change on characteristics such as the flame structure, the flow field and the color is completed.

Description

technical field [0001] The invention relates to the technical field of fire fighting devices, in particular to a turbulent flow fire extinguishing zone experimental device. Background technique [0002] Turbulent flames often occur in large-scale fires in large cities, especially fire whirlwinds are more common in wilderness and forest fires. It is of great significance to study the changes in the properties of turbulent flames and the impact on the surrounding environment for fire safety. The current research The commonly used methods of turbulent flame experiment devices are thermally driven and mechanically driven. The thermally driven type uses four-wall and cracked devices. The principle is that when the fuel is ignited, the flame consumes the surrounding oxygen through combustion, and the inside of the device The air is heated and moves upwards, reducing the pressure in the combustion body and forming a pressure difference. The pressure difference forces the peripheral...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a turbulent flow fire extinguishing zone experimental device, which solves the problem of quantifying the incoming gas, dynamic observation of the impact of changing the gas flow rate on entering the entire turbulent flame area, and determining the inert gas or other gas fire extinguishing agents. When extinguishing a turbulent flame, a series of flame structure changes such as flame height, width, elongation length, vibration frequency and flame color, as well as the addition concentration of fire extinguishing agents that can extinguish turbulent flames with different fuels, etc.

Images