Cooling filter layer of condensed aerosol fire extinguishing equipment

A filter layer and cooling layer technology, applied in the direction of filtration separation, dispersed particle filtration, fire protection equipment, etc., can solve the problems of loose cooling layer structure, high outlet temperature of hot aerosol fire extinguishing agent, loose module structure, etc.

Inactive Publication Date: 2010-06-02
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as the amount of coolant participating in the reaction increases, the module formed by the coolant will become loose in structure, and a large amount of dust will be taken out by the aerosol, which will affect the quality of the aerosol
[0004] In a word, the defective of prior art is: 1) hot aerosol fire extinguishing agent outlet temperature is high; 2) often eject the residue with Mars; The solvent strips out, affecting the quality of the aerosol

Method used

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  • Cooling filter layer of condensed aerosol fire extinguishing equipment
  • Cooling filter layer of condensed aerosol fire extinguishing equipment
  • Cooling filter layer of condensed aerosol fire extinguishing equipment

Examples

Experimental program
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Effect test

Embodiment 1

[0016] The cooling filter layer of a kind of thermal aerosol fire extinguishing equipment of the present invention comprises the sealing cover 2 that has through hole 1, cylinder body 3, baffle plate 4, wire mesh 5, and the cooling layer module that is set in cylinder body 3 is free The stacked columnar porous ceramic modules 6 are loaded with chemical coolant.

[0017] combine figure 1 When the prefabricated porous ceramic deposits or infiltrates the chemical coolant, when the high-temperature aerosol formed by combustion passes through the cooling filter layer, the chemical coolant absorbs heat and produces a decomposition reaction, thereby reducing the outlet temperature of the aerosol fire extinguishing agent. Due to the free accumulation of columnar The complex gas transmission channel of the porous ceramic module makes the sparks and residues produced by combustion stay in the filter layer composed of porous ceramics. At the same time, it also avoids the loosening of th...

Embodiment 2

[0019] The cooling filter layer of a hot aerosol fire extinguishing equipment of the present invention includes a sealing cover 2 with a through hole 1, a cylinder body 3, a baffle plate 4, and a wire mesh 5, and the cooling layer module arranged in the cylinder body 3 is a whole The molded ceramic foam module 7 carries cold aerosol fire extinguishing agent on the ceramic module.

[0020] combine figure 2 , when the prefabricated ceramic foam deposits or infiltrates chemical coolant, when the high-temperature aerosol formed by combustion passes through the cooling filter layer, the chemical coolant absorbs heat and produces a decomposition reaction, thereby reducing the outlet temperature of the aerosol fire extinguishing agent. Due to the foam ceramic module The complex filter channel makes the sparks and residues produced by combustion stay in the filter layer composed of foam ceramics.

Embodiment 3

[0022] The cooling filter layer of a hot aerosol fire extinguishing equipment of the present invention includes a sealing cover 2 with a through hole 1, a cylinder body 3, a baffle plate 4, and a wire mesh 5, and the cooling layer module arranged in the cylinder body 3 is regular Array of honeycomb ceramic modules 8 .

[0023] combine image 3 , a chemical coolant or adsorbent is attached to the wall of the honeycomb ceramic channel that is integrally formed or combined. When the high-temperature aerosol formed by combustion passes through the honeycomb ceramic channel, the chemical coolant absorbs heat and generates a decomposition reaction, thereby reducing the aerosol fire extinguishing agent. The outlet temperature, or the use of adsorbents to selectively adsorb some toxic gases. Since the honeycomb ceramic is composed of relatively dense fine channels and the staggered connection between the mold layers, the sparks and residues produced by combustion cannot pass through ...

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Abstract

The invention discloses a cooling filter layer of condensed aerosol fire extinguishing equipment, comprising a seal closure provided with a through hole, a barrel, a baffle and a wire mesh; wherein cooling layer model arranged in the barrel is one or combination of more than one of porous ceramic model, foam ceramic model and honeycomb ceramic model. The cooling layer model is formed by integral molding, free accumulation or regular distribution. Chemical cooling agent, adsorbent, catalyst or cold aerosol fire extinguishing agent or combination thereof is carried on the ceramic model taken as cooling layer model. The cooling filter layer of condensed aerosol fire extinguishing equipment of the invention not only can carry massive chemical cooling agent but also can not destroy structural layer of cooling model when chemical cooling agent is present in reaction; foam ceramic and honeycomb ceramic are utilized to have filter structure, or tablet shape porous ceramics are formed into cooling layer model gap filter structure by free accumulation, thus meeting the requirement that the sprayed condensed aerosol fire extinguishing agent is pollution free.

Description

technical field [0001] The invention relates to a thermal aerosol fire extinguishing equipment (bomb) and a device capable of extinguishing fire, in particular to a cooling filter layer of the thermal aerosol fire extinguishing equipment. Background technique [0002] Existing aerosol fire extinguishing equipment mainly includes aerosol fire extinguishing bombs and aerosol fire extinguishing devices, which are generally composed of a shell or box, a pyrotechnic powder column, an ignition mechanism, a cooling layer module or a cooling system. When in use, the pyrotechnic powder column is ignited by the ignition mechanism, burns to form an aerosol containing a large amount of solid particles, produces a sufficient concentration of suspended solid particles and inert gas, releases them in the ignition space, inhibits the flame from burning, and extinguishes the flame. Compared with other fire extinguishing agents, hot aerosol fire extinguishing agent has the advantages of simpl...

Claims

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Application Information

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IPC IPC(8): A62C5/00A62D1/02B01D46/30B01D39/06
Inventor 朱晨光
Owner NANJING UNIV OF SCI & TECH
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