Hot aerosol fire extinguisher with thermostable ablative-insulative layer and manufacture method

A technology of fire extinguishing device and thermal insulation layer, which is applied in fire protection equipment, fire rescue and other directions, can solve the problems of complex filling method of thermal insulation layer and poor thermal insulation effect, achieves good thermal insulation effect, enhanced moisture resistance, and is convenient for batch production. production effect

Inactive Publication Date: 2010-05-05
SHAANXI J&R FIRE FIGHTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above-mentioned problems of poor heat insulation effect of the aerosol fire extinguishing device and complicated filling method of the heat insulation layer, the present invention provides an aerosol fire extinguishing device with high temperature resistance, ablation resistance and good heat insulation effect and its manufacturing method, which can ensure The device meets the wall temperature index required by the national industry standard GA499.1-2004, and there is no ablation phenomenon on the surface

Method used

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  • Hot aerosol fire extinguisher with thermostable ablative-insulative layer and manufacture method
  • Hot aerosol fire extinguisher with thermostable ablative-insulative layer and manufacture method

Examples

Experimental program
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Effect test

Embodiment 1

[0016] Stir 100g of 106 silicone rubber colloid evenly, then put 500g of Φ65mm strontium salt type aerosol generator grain into the mold, pour 106 silicone rubber into the mold, and vulcanize for 24 hours. After vulcanization and molding, the starter is placed in the generant grain column, the top is filled with cooling material 3, and the top of the cooling material is blocked by a screen. The heat insulation layer 1 equipped with the aerosol generating agent powder column 4, the starter 2 and the cooling material 3 is fixed in the device shell 6, and the top cover 7 is used to seal and fix it. After the device is started, the aerosol is ejected from the aerosol nozzle 8 on the top cover 7 . Measure the temperature of the spout, side wall and bottom with a temperature probe. The maximum temperature of the nozzle: 84°C, the maximum temperature of the side wall: 117°C, and the maximum temperature of the bottom: 145°C.

Embodiment 2

[0018] Stir 150g of 107 silicone rubber colloid evenly, then put 1000g of Φ75mm potassium salt-type aerosol generator grain into the mold, pour 107 silicone rubber into the mold, and vulcanize for 12 hours. After vulcanization and molding, the starter 2 is placed in the generant grain 4, the top is filled with the cooling material 3, and the top of the cooling material 3 is blocked by a screen 5. The heat insulation layer 1 equipped with the aerosol generating agent powder column 4, the starter 2 and the cooling material 3 is fixed in the device shell 6, and the top cover 7 is used to seal and fix it. After the device is started, use a temperature probe to measure the temperature of the spout, side wall and bottom. The maximum temperature of the nozzle: 122°C, the maximum temperature of the side wall: 130°C, and the maximum temperature of the bottom: 132°C.

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Abstract

The invention provides a hot aerosol fire extinguisher with a thermostable ablative-insulative layer and a manufacture method. The hot aerosol fire extinguisher with the thermostable ablative-insulative layer is provided with an outer cylinder, an insulative layer, an inner cylinder, an aerosol generating agent, a cooling layer and a starter, wherein the insulative layer is made of silicone rubber materials comprising a silicone rubber substrate, a crosslinker, a flame retardant, a thermostable substance, a coupling agent and a catalyst. The manufacture method comprises the following steps of: integrally casting the insulative layer and an aerosol generating agent grain; crosslinking and curing at a room temperature; and assembling parts. The silicone rubber insulative layer is internally provided with the starter, a cooling material and the aerosol generating agent grain and fixed in a device shell; and a top cover is arranged above the cooling material and provided with an aerosol nozzle. Compared with the traditional device, the invention has the advantages of simple silicone rubber casting process, convenient mass production and good insulative effect of the silicone rubber insulative layer, and the wrapped aerosol generating agent can be stably burnt so as to avoid phenomena, such as flame over, deflagration, and the like.

Description

technical field [0001] The invention provides an aerosol fire extinguishing device and a manufacturing method thereof, in particular to an aerosol fire extinguishing device with a high-temperature ablation-resistant heat insulation layer and a manufacturing method thereof. Background technique [0002] Aerosol fire extinguishing is a fire extinguishing technology based on pyrotechnics developed in recent years. It has the characteristics of simple device, low cost, high fire extinguishing efficiency, and no secondary pollution. The fire extinguishing mechanism of aerosol is that the fire extinguishing agent produces a large amount of metal ions and oxides through chemical reaction, and these metal ions and oxides react with the active groups in the flame, thereby blocking the chain reaction of the flame and achieving the purpose of fire extinguishing . During the chemical reaction that produces the fire extinguishing aerosol, a large amount of heat is generated, which can c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62C35/02A62C5/00A62D1/06
CPCA62C35/02A62C5/006A62C99/0045A62C31/05Y10T29/4998A62C5/00C08L83/04
Inventor 郭鸿宝张三学马承攻张为鹏
Owner SHAANXI J&R FIRE FIGHTING CO LTD
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