Strong wind smoke exhaust fire vehicle with air fan driven by aero-engine

Abstract

The invention discloses a strong wind smoke exhaust fire vehicle with an air fan driven by an aero-engine. The fire vehicle comprises a vehicle, a water tank, a water pump, an elevating mechanism, a rotating mechanism and a pitching mechanism. Pitching of a ventilating duct is controlled through the pitching mechanism. An aero-turboprop engine, an air fan, a fairing and a rectiblock are arranged in the ventilating duct. The ventilating duct is sleeved at the outer side of the aero-turboprop engine. The air fan is arranged on the output shaft of the aero-turboprop engine. The fairing is arranged in the shell body of the ventilating duct through the rectiblock. The ventilating duct, the aero-turboprop engine, the air fan and the fairing are arranged on the same axis. The ventilating duct and the aero-turboprop engine are arranged on the support of the elevating mechanism. The decommissioned aero-turboprop engine with small size, light weight, large power and high reliability is used for driving the air fan, thus the input power is increased to above 2000KW, the air speed at the outlet of the air fan is 90m / s, the air quantity reaches above 600000 m<3> / h, and the air flow injection distance is more than 100m. The fire vehicle is a smoke exhaust fire vehicle with the largest air mass flow in domestic.

Description

technical field [0001] The invention belongs to a strong wind smoke exhaust fire truck, more specifically a high-power strong wind smoke exhaust fire truck driven by an aviation turboprop engine. Background technique [0002] A large number of synthetic decoration materials are used in the residences, offices, public entertainment places, supermarkets, petrochemical factories, and large warehouses of modern cities, and a variety of energetic substances are gathered. A large amount of toxic smoke generated after a fire not only blocks the line of sight, but also causes It is difficult for personnel to escape, and it is the main factor causing death by inhalation poisoning. Statistics show that about 85% of urban fire deaths are caused by toxic smog. The smoke also prevented firefighters from entering the fire and fighting the fire. For this reason, a kind of smoke exhaust fire truck is auxiliary used in modern fire fighting and fire fighting, and the strong airflow carrying...

AI Technical Summary

Problems solved by technology

[0003] However, these smoke exhaust fire trucks produced at home and abroad have the following defects: one is to drive the smoke exhaust fan with a hydraulic motor, and the automobile engine is still required to drive the hydraulic pump to provide hydraulic energy for it, and the energy is lost after two energy conversions. Larger, which limits the increase of the power of the smoke exhaust machine, which directly affects the smoke exhaust and cooling effect at the fire scene

Therefore, the strong wind flow rate of domestic smoke exhaust fire fighting equipment is 30,000-100,000m 3 Between / h, it is difficult to meet the needs of fire extinguishing and accident emergency rescue; second, the particle size of the water mist sprayed by the fine water mist nozzle is large, and at the same time, the nozzle is installed on the periphery of the air guide tube, which cannot make the fine water mist and The sprayed strong wind airflow is evenly mixed, and the fine water droplets with large particle sizes have fallen to the ground before being injected into the fire scene, which affects the effect of cooling the fire scene and absorbing toxic smoke

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