Usmanov's device implementing method of weakening hot air current

Abstract

The present invention pertains to the field of fire-fighting technology and can be used for protecting equipment and persons when extinguishing fires, for dividing the volume of buildings in surface or underground structures or installations into fire-proof compartments, for providing protection against the collapse of ceiling structures and for locating the progression of the flame front in large-scale fires resulting in ecological disasters. The purpose of this invention is to develop a method for attenuating with an improved efficiency the energy flow consisting of light, heat and convection gas flows, and to develop a device of the gun-carriage type for creating a thermal-radiation protection screen which is more reliable, harmless and easy to implement and which provides protection against light radiation and convection gas flows. This method involves creating a curtain of a cooling liquid that is sprayed into space between surfaces. When creating more than one curtain, the method involves using a combined supply of cooling liquid. One of the curtains is formed by spraying the liquid, while the following curtains are formed by supplying an aerated mechanical or chemical foam. The apparatus consists of a frame, a sprinkling assembly and nets attached at interval to the both sides of the frame. In the openings of the frame is equipped by sprayers.

Description

[0001] This application is a divisional application of an invention patent application with an application date of April 25, 2000, an application number of 00807207.8 and an invention title of "Method for weakening hot air flow and "Usmanov" device for implementing the method". technical field [0002] The invention relates to fire protection technology and can be used to protect equipment and personnel when fighting fires; to divide the volume of underground buildings and installations into fire isolation areas; to provide protection in the event of collapse of ceiling laps; and in large-scale fires causing ecological disasters , to block the spread of the burning front. Background technique [0003] The closest thing to the technical substance of the proposed method is the establishment of a fire curtain, including the formation and establishment of vertical protection. The protective curtain is formed by building a metal mesh in the shape of two parallel planes, and by fe...

AI Technical Summary

Problems solved by technology

[0009] The disadvantage of this accessory is also that the rotation of the protective screen in the horizontal plane can only be achieved with both hands holding the handle attached to the frame

At this time, the bracket water gun, which is still in a free state, starts to move freely in the vertical plane of the frame door hole under the reaction force of the water jet flowing from the water gun, which may lead to unfavorable results

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