Three-phase jet extinguishing method

A jet, three-phase technology, applied in fire prevention equipment, fire rescue, etc., can solve the problems of non-resistance to re-ignition, difficulty in cleaning, irritation of the respiratory tract, etc., and achieve the effects of strong mobility of the device, prevention of caking problems, and high fire extinguishing efficiency

Active Publication Date: 2011-06-01
BEIHANG UNIV
View PDF3 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Dry powder fire extinguishers are not resistant to re-ignition when used alone. When used, they i

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Three-phase jet extinguishing method
  • Three-phase jet extinguishing method
  • Three-phase jet extinguishing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] The inventive method is based on a portable two-phase flow fine water mist fire extinguishing device, such as figure 1 , 2A , 2B, 3, 4, specifically include: air-water mixed bottle 1, siphon 2, bottle head valve 3, pressure gauge 4, trigger fixed handle 5, trigger movable handle 6, safety pin 7, Laval nozzle 81, Suspension mechanism 82, triangular cone 83. The connection relationship is: the air-water mixed bottle 1 is connected with the bottle head valve 3 through a sealing thread. Siphon pipe 2 is welded with bottle head valve 3. The trigger fixed handle 5 is used as the opening element of the bottle head valve 3, and is fixed with a pin after the bottle head valve 3 is blocked by the draw-in groove, and the trigger movable handle 6 is connected with the same pin here with the trigger fixed handle 5. Laval nozzle ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
The average diameteraaaaaaaaaa
Login to view more

Abstract

The invention relates to a portable three-phase jet extinguishing method. In the method, a portable two-phase flow water mist extinguishing device is used as a carrier; the surface of ABC dry powder is modified to be hydrophobic; the modified dry powder is shaken up with water and then injected into a gas-water mixed loading bottle of the extinguishing device; nitrogen or other inert gases are charged into the bottle; then the extinguishing device is placed for later use; and the dry powder is sprayed out from the portable two-phase flow water mist extinguishing device under the extrusion of high-pressure gas when the device is used for extinguishing. The method has a comprehensive gas-liquid-solid extinguishing effect; the temperature can be reduced, the oxygen concentration can be diluted, the surface of a fuel can be cooled, a combustion reaction chain can be quickly obstructed, and the like; a type-A fire disaster and a type-B fire disaster can be effectively extinguished; the extinguishing efficiency is high; the method is basically pollution-free to a protected place; and the extinguishing effect is obviously superior to those of a single-phase flow portable extinguishing device and a two-phase flow portable extinguishing device.

Description

technical field [0001] The invention relates to a three-phase jet fire extinguishing method, which is mainly used in fire fighting fields such as ships on water and surface ships, and can also be used in other fields requiring fast movement and rapid fire extinguishing. Background technique [0002] With the complete cessation of the production and use of halon fire extinguishing agents in 2010 (Montreal Convention) and the gradual restriction of the use of PFOS fluorosurfactants for foam fire extinguishing agents (Stockholm Convention), the fire protection industry is committed to finding a solution that can be quickly, effectively and again Alternatives that do not cause secondary pollution. [0003] As one of the main replacement technologies for halon, water mist fire extinguishing technology has attracted the attention and favor of the international fire protection community for its good environmental protection, rapid fire extinguishing, low water consumption, small de...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): A62C13/62A62D1/02
Inventor 杨立军赵建波
Owner BEIHANG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap