Furnaces – Refuse incinerator – For explosive or radioactive material
Patent
1993-11-05
1995-06-13
Gromada, Denise L.
Furnaces
Refuse incinerator
For explosive or radioactive material
588202, 432241, F23G 700
Patent
active
054232716
DESCRIPTION:
BRIEF SUMMARY
The instant invention relates to a carrier means for use in the deflagration of explosives, comprising a base plate and a vat of scale- and temperature-proof material mounted on the same to take up the explosives.
The term "explosives" hereinafter is to comprise both the explodable substances which include the explosives according to the accepted definition as well as the substances which are liable to explode. With respect to the instant invention the latter are solid or liquid substances which are caused to a certain extent to undergo a chemical reaction with which either high-tension gases are formed in such a short time that a sudden pressure effect is generated (explosion) or an effect occurs which is deemed equivalent to an explosion when they are subjected to certain testing methods, by heating up without a complete solid confinement or by not unusual stressing due to impact or friction without additional heating. Apart from the explosives, the explodable substances also comprise substances not made specifically for detonating or shooting, e.g. organic peroxides as catalysts, gas release agents of present day foam and plastics engineering, some pesticides, and many others. Likewise included, for instance, is the well known mixture "thermite" which is understood as being mixtures of aluminum and iron oxide which react while developing a large amount of heat, forming aluminum oxide and iron. This development of heat is utilized for example for welding rails.
By definition, explosives on the other hand are solid, liquid, or gelatinous substances and mixtures of substances produced for purposes of detonating or propelling. They are among others characterized by their metastable state, i.e. they are capable of undergoing a quick chemical reaction of decomposition without the intervention of further reactants, especially without atmospheric oxygen. Reference is also made, for example, to Rudolf Meyer "Explosivstoffe", 6th edition, page 127 et seqq. as regards the various groups of substances to be understood by "explosives" with respect to the instant invention.
Due to the fact that oxygen is not required for the decomposition reaction of the explosives, the instant case also is referred to as "deflagration" in to combustion which, as is well known, takes place only with the addition of oxygen.
The deflagration of explosives is worldwide the predominant method applied for the disposal of explosives contained, for instance, in ammunition, rockets, pyrotechnic sets, etc. especially from the military field. The term "deflagration" designates the decomposition reaction which progresses relatively slowly at a maximum of 100 m per second, as compared to the "detonation". For the sake of simplicity also the common general term "event" is used hereinafter for the terms "detonation", "deflagration", and "explosion".
Carrier means of the kind mentioned initially for use in deflagration are known in principle. The simplest and most common form of carrier means used according to the prior art are simple troughs with a kind of support which are placed more or less firmly in the open field and charged, i.e. loaded with the explosive in metered quantities, with the methods known so far from the prior art for deflagrating explosives. To produce personal safety in correspondence with the pertinent regulations for the prevention of accidents, the place where the carrier means are put for deflagration, as a general rule, is surrounded by a concrete or earth wall at least as high as a man which protects the persons involved in the deflagration from an (unintended) detonation of the explosives.
The deflagration of explosives is a rapidly developing process which is relatively unpredictable as regards its progress and hardly can be influenced upon initiation of the decomposition reaction and which, moreover, is highly exothermic, i.e. takes place with strong heat development of up to 3000.degree. C. in the vicinity of the seat of the deflagration. Such temperature is reached in no more than seconds and is maintained throughout
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patent: 2550147 (1951-04-01), Hardesty
patent: 4836777 (1989-06-01), Elliott
patent: 4944236 (1990-07-01), Sheen
bowas-induplan chemie ges.m.b.h.
Gromada Denise L.
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