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Burner device and method for injecting a mixture of fuel and oxidant into a combustion space

Inactive Publication Date: 2008-06-05
WS WARMEPROZESSTECHN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0010]In accordance with the present invention, a burner device is provided, with which a good intermixing of gases in the combustion chamber is obtained even with an increase in the power density.

Problems solved by technology

This leads, however, to greater losses of pressure and, therefore, to a direct reduction in the degree of effectiveness.
The increase in the diameter of the nozzle apertures does, however, impair the intermixing of gases in the combustion space because the gas jet is thicker.

Method used

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  • Burner device and method for injecting a mixture of fuel and oxidant into a combustion space
  • Burner device and method for injecting a mixture of fuel and oxidant into a combustion space
  • Burner device and method for injecting a mixture of fuel and oxidant into a combustion space

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Embodiment Construction

[0042]One embodiment of a burner device in accordance with the invention, which is shown in FIG. 1 and designated as 10, comprises a combustion chamber 12 with a combustion space 14. The combustion space 14 is designed to be rotationally symmetric around an axis 16.

[0043]The combustion space 14 comprises a combustion area 18 which is essentially cylindrical and an outlet area 20 with an outlet aperture 22. The outlet area 20 tapers towards the outlet aperture 22. The outlet area 20 is of a truncated design.

[0044]An injection device 24 is arranged at the combustion chamber 12 and a mixture of fuel and oxidant may be injected into the combustion space 14 via this injection device. A gaseous fuel is used as fuel. The oxidant is, in particular, atmospheric oxygen.

[0045]The injection device 24 comprises a plurality of nozzles 26 which are arranged on a circular line 28 (FIG. 2). In the embodiment shown in FIG. 2, the nozzles 26 are located on the circular line 28. The nozzles 26 have noz...

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Abstract

A burner device is made available, comprising a combustion chamber with a combustion space and an injection device for injecting a mixture of fuel and oxidant into the combustion space, wherein the injection device has a plurality of nozzles arranged on a circular line, the nozzles each have a nozzle chamber, fuel nozzles or fuel pipes for the coupling in of fuel open into the nozzle chambers, oxidant can be coupled into the nozzle chambers via a feed device for generating a mixture and wherein nozzle apertures of the nozzles in the combustion space are designed as elongated holes.

Description

[0001]The present disclosure relates to the subject matter disclosed in German application number 10 2006 051 286.3 of Oct. 26, 2006, which is incorporated herein by reference in its entirety and for all purposes.BACKGROUND OF THE INVENTION[0002]The invention relates to a burner device, comprising a combustion chamber with a combustion space and an injection device for injecting a mixture of fuel and oxidant into the combustion space, wherein the injection device has a plurality of nozzles arranged on a circular line.[0003]The invention relates, in addition, to a method for injecting a mixture of fuel and oxidant into a combustion space.[0004]A recirculation of exhaust gas may be brought about in the combustion space as a result of such a burner device. The mixture of fuel and oxidant, which is injected into the combustion space via corresponding nozzle jets, can mix with the recirculating exhaust gas. As a result, homogeneous combustion ratios are obtained in the combustion space a...

Claims

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Application Information

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IPC IPC(8): F23C5/00F23C7/00
CPCF23C5/00F23C5/06F23C9/006F23R2900/03282F23D14/64F23N1/022F23N2037/02F23D14/583F23N2237/02
Inventor WAHL, CLAUSAIGNER, MANFREDSCHUETZ, HARALDLAMMEL, OLIVERLUECKERATH, RAINER
Owner WS WARMEPROZESSTECHN
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