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Porous foam Fe-Ni metal explosion suppression material and application thereof

A porous foam, iron-nickel technology, applied in safety devices, mining equipment, earthwork drilling and mining, etc., can solve the problems of poor impact resistance and sintering resistance, poor explosion-proof effect, etc., and achieve the effect of reducing explosion hazards

Inactive Publication Date: 2013-09-25
HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a porous foam iron-nickel metal anti-explosion material and its application in order to solve the problems of poor anti-explosion effect, poor impact resistance and anti-sintering performance of current anti-explosion materials

Method used

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  • Porous foam Fe-Ni metal explosion suppression material and application thereof
  • Porous foam Fe-Ni metal explosion suppression material and application thereof
  • Porous foam Fe-Ni metal explosion suppression material and application thereof

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specific Embodiment approach 1

[0034] Embodiment 1: A porous foamed iron-nickel metal explosion suppression material according to this embodiment is composed of 10% to 30% nickel and 70% to 90% iron; wherein, the porous foam The relative bulk density of the iron-nickel metal explosion suppression material is 0.3g / cm 3 or 0.8g / cm 3 , the pore diameter is 10ppi-30ppi, the through-porosity is 80%-90%, and the thickness is 3cm, 6cm or 8cm.

[0035] The relative bulk density of the porous foamed iron-nickel metal explosion suppression material of this embodiment is measured at normal temperature.

[0036] Since the propagation of gas explosion is the coupling of pressure wave and flame wave propagation process, they affect each other, form positive feedback, promote each other, and work together to form a strong destructive effect. The simultaneous suppression of flame wave and pressure wave is the key to reducing explosion hazards. Useful ways. The porous foamed iron-nickel metal of this embodiment can effec...

specific Embodiment approach 2

[0038] Embodiment 2: This embodiment differs from Embodiment 1 in that the porous foamed iron-nickel metal explosion suppression material is composed of 20% nickel and 80% iron by weight. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0039] Embodiment 3: This embodiment differs from Embodiments 1 to 2 in that the porous foamed iron-nickel metal explosion suppression material is composed of 10% nickel and 90% iron by weight. Others are the same as the specific embodiment 1 to 2.

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Abstract

The invention discloses a porous foam Fe-Ni metal explosion suppression material and an application thereof, relating to an explosion suppression material and an application thereof. The invention aims at solving the problem of bad explosion suppression effect, bad shock resistance and bad anti-sintering property of existing explosion suppression materials. The porous foam Fe-Ni metal explosion suppression material comprises 10-30wt% of Ni and 70-90wt% of Fe, and has an overpressure decay rate of 55.1-73.8% and a decay rate of gas explosion flame temperature of 37.6-70.7% in pipeline gas suppression experiments. The porous foam Fe-Ni metal explosion suppression material disclosed herein is applied in the field of inhibiting gas explosions.

Description

technical field [0001] The invention relates to an explosion suppression material and its application. Background technique [0002] Gas explosion accidents are the primary disasters that cause mass deaths and injuries in coal mining enterprises. However, the traditional anti-explosion facilities currently used in coal mines in my country, such as water sheds and rock powder sheds, cannot achieve the expected anti-explosion effect in actual use. A large number of accident analysis shows that These measures cannot effectively play a role when an accident occurs. For example: the water in the sink is easy to evaporate and lose, and it needs to be flushed and changed frequently, which increases the workload of the workers. Especially in mining areas with large air volume and high temperature, mineral dust is easily mixed into the water, resulting in fire extinguishing water mist being unable to effectively block the propagation of explosion flames due to insufficient water volu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/08C22C38/08E21F5/00
Inventor 孙建华魏春荣赵建华邢书仁曲征张俊文刘振文姜天文张锦鹏米红伟
Owner HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY