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Oxygen reduction plant and method for configuring an oxygen reduction plant

A technology of oxygen and oxygen concentration, used in fire rescue and other directions, can solve the problem of air tightness, and achieve the effect of reducing installation cost, minimizing wear, and small size

Active Publication Date: 2018-03-27
AMRONA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, however, the airtightness determined by the differential pressure test does not take into account air exchange involving openings (such as doors, gates or windows) that may be in the space for the purpose of feeding and / or entering an enclosed area. formed on the shell

Method used

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  • Oxygen reduction plant and method for configuring an oxygen reduction plant

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Embodiment Construction

[0040] figure 1 A basic timing diagram representing the mode of operation of a conventional oxygen reduction system known in the art is shown. This is an oxygen reduction system for reducing the oxygen concentration in the space atmosphere of an enclosed area below a predetermined and reduced concentration (=working concentration) compared to the oxygen concentration of normal ambient air. figure 1 The relevant time periods of the time graph total one week (7 days).

[0041] figure 1 In particular, the chronological development of the oxygen concentration in the space atmosphere of an enclosed area is depicted. It can be seen that the oxygen concentration is always in the range between about 15.0% by volume and 14.9% by volume. This is a typical control range defined by the upper and lower thresholds of the oxygen concentration in the atmosphere of the enclosed area space.

[0042] The upper threshold of the concentration of oxygen in the atmosphere of the enclosed area re...

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Abstract

The invention relates to a plant for reducing the oxygen content in the atmosphere of an enclosed space and / or for maintaining a reduced oxygen content in the atmosphere of an enclosed space, below apreset operating concentration that is reduced in comparison to the oxygen concentration in normal ambient air. To that end, the plant has a gas separation system whose outlet is fluidically connectedto the enclosed space for the continuous supply of an oxygen-reduced gas mixture or oxygen-displacing gas. The gas separation system is configured such that, during continuous operation of the gas separation system, the oxygen concentration in the atmosphere of the enclosed space is always in a range between the preset operating concentration and a preset or settable lower limit concentration.

Description

technical field [0001] The present invention relates to a method for reducing the oxygen content of an enclosed space atmosphere or for independently maintaining a reduced oxygen content in an enclosed space atmosphere below a predetermined and reduced concentration compared to the normal ambient air oxygen concentration (working concentration) system. [0002] In particular, the system of the present invention is configured to prevent the development or spread of a fire by introducing an oxygen-reduced gas mixture or an oxygen-replacing gas into the space atmosphere of an enclosed area. Furthermore, the system according to the invention is also suitable in principle for extinguishing fires in enclosed areas. [0003] The system according to the invention is thus used, for example, for risk minimization and fire extinguishing in monitored areas, whereby closed areas can also or can be continuously inerted with different reduction levels in order to prevent or control fires. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62C99/00
CPCA62C99/0018A62C99/00A62C3/002A62C3/16
Inventor E·W·瓦格纳
Owner AMRONA
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