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Cyclone burner with conical combustion chamber

A technology of swirl type and burner, which is applied in the direction of burner, burner, combustion chamber, etc. for burning powder fuel, and can solve problems such as bad slag and poor temperature distribution control

Inactive Publication Date: 2014-08-13
F L SMIDTH & CO AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another consequence of this design is that the fuel will not be substantially distributed along the length of the compartment, but will accumulate at one end of the chamber, giving less control over the temperature distribution in the chamber and can lead to undesirable slag formation

Method used

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  • Cyclone burner with conical combustion chamber
  • Cyclone burner with conical combustion chamber
  • Cyclone burner with conical combustion chamber

Examples

Experimental program
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Embodiment Construction

[0017] in Figure 1a with Figure 1b Shows a swirl burner for converting solid fuels. The swirl combustor is arranged horizontally and includes a tapered portion 2 which forms a swirl chamber 1 which has a smaller diameter at the farthest from the outlet end 3 and ends with a flat back end surface 7. The outlet 4 for gas and converted fuel is positioned in the center of the outlet end 3 of the swirl chamber 1. The fuel inlet 6 is tangentially connected to the swirl chamber 1 near the outlet end 3. In addition, a plurality of tangentially arranged gas inlets 5a for introducing gas and rotating the gas and fuel in the swirl chamber 1 are sequentially arranged along the entire length of the cone wall. In this way, the gas and fine fuel particles are forcibly guided along the tapered wall toward the back end surface 7 of the vortex chamber 1, where they will be guided to the vortex located in the center of the vortex chamber 1, and then guided to the outlet 4 and pass through The ...

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PUM

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Abstract

A cyclone burner for converting solid fuel comprises a substantially rotationally-symmetric whirling chamber (1), means (5a, 6) for introducing gas and fuel into the whirling chamber (1), means for bringing the gas and fuel into rotation in the whirling chamber (1) and an outlet (4) for the gas and the converted fuel where the outlet (4) is centrally positioned in the outlet end (3) of the whirling chamber (1). The whirling chamber (1) comprises a conical shaped portion (2) having the smaller diameter furthest from the outlet end (3) and the means (5a) for introducing gas are connected to the whirling chamber (1) along the length of the conical shaped portion (2).

Description

Technical field [0001] The present invention relates to a swirling combustor for converting solid fuels, which includes a substantially rotationally symmetric swirl chamber, a device for introducing gas and fuel into the swirl chamber, and a device for rotating the gas and fuel in the swirl chamber The device and the outlet for gas and converted fuel, wherein the outlet is located in the center of the outlet end of the vortex chamber. Background technique [0002] The above-mentioned types of swirl burners are well known in the industry and are used in power plants together with other equipment. For example, from US7261047BB, a horizontal swirl burner is known, in which fuel is introduced at the rear end of the cyclone chamber, after which the fuel and gas flow flow to the conical outlet end, where particle separation occurs. In this type of swirl burner, the fuel must be fully converted before reaching the outlet end, otherwise it will cause fuel to accumulate in this location,...

Claims

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Application Information

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IPC IPC(8): F23C3/00
CPCF23C3/006F23D1/02
Inventor M.尼尔森M.P.拉斯马森K.E.A.斯特龙伯格M.K.尤利茨J.P.马诺哈
Owner F L SMIDTH & CO AS
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