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Novel fire-retardant core

A flame arresting technology, applied in fire rescue, pipeline system, mechanical equipment, etc., can solve the problems of high cost, failure to prevent explosion, complex structure of composite flame arrester, etc., achieve low cost, improve safety, and simple structure Effect

Inactive Publication Date: 2006-10-25
周斌
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] In order to overcome the disadvantages that the existing flame arrester cannot prevent detonation (although the metal foam type has a certain explosion resistance ability, it will fail due to plastic deformation after a pressure bearing), and the composite flame arrester has complex structure and high cost. The invention provides a flame-retardant core that can not only block flame propagation, but also effectively block detonation, and has a simple structure and low cost

Method used

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  • Novel fire-retardant core

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Embodiment Construction

[0009] Accompanying drawing is the embodiment that the present invention is used for the vent pipe of petroleum storage tank.

[0010] In the figure, the flame arrester is composed of a shell 1, a fire arresting core 2, a wire mesh 3 for fixing the fire arresting core and an upper cover 4. The lower end of the shell 1 is connected with the vent pipe of the oil storage tank through the flange, and the upper shell 4 is connected with the breather valve of the oil tank.

[0011] The fire retardant core 2 adopts a structure with a certain thickness and elasticity, which is formed by spirally forming a ribbon metal material and then wound, has a good space flow channel, and the size of the flow channel can decrease with the increase of the pressure. Use the constantly changing, small and uneven space flow channels and the good heat dissipation of metal materials to block the flame propagation; at the same time, use the excellent elastic deformation capacity of the structure to slow...

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Abstract

The present invention relates to a fire-resisting core of petroleum storage tank and pipeline flame arrester for resisting flame propagation and resisting detonation. Said fire-resisting core is made up by using metal ribbon material through a spiral winding process. Said fire-resisting core has a certain thickness and an elastic structure, and has a good space flow channel, so that the elastic deformation performance of said structure can resist the flame propagation and can resist the detonation production.

Description

Technical field [0001] The invention relates to a fire arresting core of a petroleum storage tank and a pipeline flame arrester, in particular to a fire arresting core capable of resisting detonation. Background technique [0002] At present, the known mechanical flame arrester structure is composed of a flame arrester shell and a fire arresting core, and its fire arresting core usually has a metal mesh type (made of overlapping single-layer or multi-layer wire mesh), corrugated type (made of metal corrugated Plates assembled in layers), flat plate (formed by vertical or parallel arrangement of metal sheets), porous plate (formed by overlapping metal sheets in horizontal direction, there are many small gaps or many small holes on the plate), particle Filling type (filling and stacking with metal particles or gravel particles) and foam metal type (made of foam metal), etc. Except that the metal foam type has a certain explosion-proof ability, these fire-resistant cores can o...

Claims

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Application Information

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IPC IPC(8): A62C4/02F17D5/00
Inventor 周斌
Owner 周斌
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