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Flame filter

A filter and flame technology, applied in fire rescue, machine/engine, mechanical equipment, etc., can solve the problems of injection flame, deformation, no longer provide explosion relief valve, etc., to achieve the effect of small processing consumption and small weight

Inactive Publication Date: 2010-06-09
HOERBIGER KOMPRESSORTECHNIK HLDG GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The result is a filter with indeterminate gas flow gaps and slight stability
During an explosion, however, due to the indeterminate size of the gap, it is even possible to shoot out flames or cause local deformations, whereby it is no longer possible to prevent flames from shooting out
Especially in the region where the flames emerge, this results in an additional temperature load, together with softening and additional deformation of the filter, so that the desired function of the explosion relief valve is no longer available in the subsequent continued explosion.

Method used

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Examples

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Embodiment Construction

[0026] figure 1 and 2 shows an explosion relief valve, as it is used, for example, in diesel and gas engines of marine machines and power plants. There they are installed in the crankcase or in the system wall in order to be able to dissipate excess pressure in the event of, in particular, gas and / or oil mist explosions and thus avoid damage to the engine or system. The valve comprises an annular valve seat 1 which is fastened to an opening in the crankcase wall by means of screws or the like. Cooperating with the valve seat 1 is a closing plate 2 which is acted upon by a helical compression spring 3 which is preferably conically wound. The valve passes upwards through a catcher 4 designed as a cover plate with an edge region bent towards the crankcase. Covering, wherein the helical compression spring 3 is also supported on the catcher 4 . A sealing ring (not shown) inserted into the groove of the valve seat 1 ensures a tight seal in the closed position of the valve.

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Abstract

The invention relates to a flame filter, especially used as a flame blocking device penetrated by the gas or used on an explosion pressure relief valve for enclosing a gas-filled space, the flame filter comprises stacked and flat boards (6) which are closely stacked, wherein, the adjacent boards (6) can determine flow gases for gas oriented in parallel with the plane. In order to implement the improved stability and safety for multi-time connection explosions, each board (6) is equipped with crimped sections (7), each section (7) is directly positioned on the boards (6).

Description

technical field [0001] The invention relates to a flame filter, in particular as a flame arrester through which gas can flow or for use on an explosion relief valve for a closed gas-filled space, comprising plates stacked closely together to form a stack (Paket ), flat plates, wherein adjacent plates define flow-through slots for gases oriented parallel to their planes. Background technique [0002] Such devices are known for use as flame arresters, for example in pipelines, but also as components of explosion relief valves. EP 0568326 A1 describes a stack of superimposed flat plates as an embodiment for a flame arrester, the individual plates being held at a predetermined distance from one another by a coiled strip or by other spacers. This means a material consumption beyond what is necessary for flame extinguishing, a large area loss for heat exchange between the gas and the flame arrester, a greater gas flow resistance in normal operation and an increased number of part...

Claims

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Application Information

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IPC IPC(8): A62C4/02
CPCA62C4/02F01N3/06F02B77/10
Inventor B·施皮格尔J·奥尔尼格G·马叙T·哈尔瓦克斯T·鲍尔
Owner HOERBIGER KOMPRESSORTECHNIK HLDG GMBH
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