DEM0016334MA - - Google Patents
Info
- Publication number
- DEM0016334MA DEM0016334MA DEM0016334MA DE M0016334M A DEM0016334M A DE M0016334MA DE M0016334M A DEM0016334M A DE M0016334MA
- Authority
- DE
- Germany
- Prior art keywords
- heat
- mixing tube
- burner
- oxy
- insulating sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000446 fuel Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
Description
BUNDESREPUBLIK DEUTSCHLANDFEDERAL REPUBLIC OF GERMANY
Tag der Anmeldung: 18. November 1952 Bekanntgemacht am 22. November 1956Registration date: November 18, 1952. Advertised on November 22, 1956
DEUTSCHES PATENTAMTGERMAN PATENT OFFICE
Im Patent 939 141 ist ein Autogenbrenner unter Schutz gestellt, der zum, Schutz gegen das radiale Eindringen von Wärme durch eine wärmeisolierende Hülle und einen geschlossenen Mantel hoher Temperaturbeständigkeit und relativ geringer Wärmeleitung derart geschützt ist, daß die kritische Temperatur des exothermen Azetylenzerfalte im Brennerrohr nicht erreicht wird. Weiterhin sind Mittel vorgesehen, die Ansammlung von Gasresten und Wärmestauung im Brennerrohr zu verhindern, sowie das Eindringen von Wärme in axialer Richtung durch Vorziehen des Isoliermantels bis in die Nähe der Brennerspitze zu erschweren.In patent 939 141 an oxy-fuel burner is under Protection made for, protection against the radial penetration of heat through a heat-insulating Sheath and a closed jacket of high temperature resistance and relatively low Thermal conduction is protected in such a way that the critical temperature of the exothermic acetylenic folds in the Burner tube is not reached. Means are also provided for the accumulation of gas residues and to prevent heat build-up in the burner tube, as well as the penetration of heat in the axial direction to make it more difficult by pulling the insulating jacket up to the vicinity of the burner tip.
Nach der Erfindung wird ein solcher Brenner noch in der Weise verbessert, daß der Metallquerschnitt des Mischrohres und damit seine Wärmeleitung von der Brennerspitze zur Mischdüse hin stetig oder stufenweise zunimmt. Auf diese WeiseAccording to the invention, such a burner is improved in such a way that the metal cross-section of the mixing tube and thus its heat conduction from the burner tip to the mixing nozzle increases steadily or gradually. In this way
609 708/5609 708/5
M 16334 Xl'4gM 16334 Xl'4g
wird ein Wärmestau mit Sicherheit verhindert und die radial oder axial etwa eingedrungene Wärme rasch abgeführt.a heat build-up is prevented with certainty and the radially or axially penetrated heat quickly discharged.
Eine weitere Verbesserung des Brenners nach dem Hauptpatent wird dadurch erzielt, daß die wärmeisolierende Hülle um das Mischrohr geschichtet ausgeführt wird, weil bekanntlich geschichtete Isolierstoffe einen erhöhten Wärmedurchgangswiderstand aufweisen.A further improvement of the burner according to the main patent is achieved in that the The heat-insulating sleeve is designed to be layered around the mixing tube because it is known to be layered Insulating materials have an increased heat transfer resistance.
Claims (2)
Deutsche Patentschrift Nr. 846 464.Considered publications:
German patent specification No. 846 464.
Family
ID=
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