A novel plasmatorch and its application in methods for conversion of matter

A plasma and torch technology, applied in the field of plasma torch, can solve the problems of low heat, low material specific gravity, harmful to health, etc., and achieve the effects of reduced energy loss, easy accumulation, and uniform charge-to-mass ratio

Inactive Publication Date: 2007-05-23
普拉斯马’05研究和开发有限公司
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  • Claims
  • Application Information

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Problems solved by technology

In most cases, the products obtained are highly polluting, so their recycling or at least their disposal should be addressed, which also increases the operating costs of the plasma torches in question
For example, the widely used plasma torches using nitrogen or air as the discharge gas will produce a large amount of nitrogen-containing fumes (for example, NO X ) as a by-product, these fumes seriously pollute the environment and are harmful to health
Incorporating these materials into t

Method used

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  • A novel plasmatorch and its application in methods for conversion of matter
  • A novel plasmatorch and its application in methods for conversion of matter
  • A novel plasmatorch and its application in methods for conversion of matter

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[0056] (1) Extraction of iron from ferrous and ferric oxides and / or ferric hydroxide

[0057] In the turning, forging, and hot forming of iron and steel, done without a protective atmosphere, millions of tons of rust are produced, consisting essentially of iron oxides and hydroxides. When the rust produced cannot be melted down, it is stored in huge, costly to form storage facilities instead of extracting its iron content. By using the plasma torch according to the invention, it is possible to simply extract iron from the rust accumulated in this storage facility.

[0058] For this purpose, a sodium vapor arc plasma torch is used in particular in the arrangement shown in FIG. 2 , wherein rust itself is the target to be treated by the plasma torch. The reduction reaction used to extract iron from iron oxides and hydroxides can basically be written as follows:

[0059]

[0060]

[0061] .

[0062] If the temperature inside the target is set by the plasma t...

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Abstract

The present invention relates to a novel plasmatorch (1) and to its applications within the field of chemicophysical conversion of matter. The plasmatorch (1) comprises a pair of electrodes apart from each other, a plasma arc (10) existing between the two electrodes and a collimator (14) arranged for converging the plasma arc (10). The arcing material is stored in a special storage tank and is realized by a metal vapour, preferably by the vapour of an alkali or an alkali-earth metal.

Description

technical field [0001] The present invention relates to a novel plasma torch and its possible applications. Background technique [0002] In essence, plasma is the most common state of materials. The term "plasma" refers to an ionized gas in which most of the atoms have lost one or more electrons and thereby become positive ions. A plasma is actually a mixture of three components: positive ions, free electrons, and neutral atoms (or molecules). A plasma is a quasi-neutral medium in which the electron concentration and ion concentration are substantially equal. In a plasma, electronic forces between charged particles act, so it is a dynamic system influenced by electromagnetic forces. [0003] In fact, plasmas are present in various gas discharges (eg, sparks, lightning, arcs). Quasi-neutral and quasi-stationary plasma arcs at high temperatures are important from an industrial and scientific perspective, for example in metallurgy, vitrification processes, power generation...

Claims

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Application Information

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IPC IPC(8): H05H1/48H05H1/42H05H1/32C22B9/20H05H1/34
CPCH05H1/48H05H1/42H05H1/34H05H1/32
Inventor L·G·博德罗格克齐L·G·科泽基
Owner 普拉斯马’05研究和开发有限公司
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