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Burner and manufacturing method thereof

A burner, fuel technology, used in combustion methods, burners, gas fuel burners, etc.

Active Publication Date: 2021-05-07
NIPPON STEEL & SUMIKIN ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, the flow path for cooling water does not open on the tip surface

Method used

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  • Burner and manufacturing method thereof
  • Burner and manufacturing method thereof
  • Burner and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment Construction

[0040] Embodiments of the present disclosure described below are examples for explaining the present invention, and therefore, the present invention should not be construed as being limited to the following contents. In the following description, the same reference numerals are used for the same elements or elements having the same functions, and overlapping descriptions are omitted.

[0041] [Coal gasifier]

[0042] First, as an example of equipment using the gasification burner 1 (burner) of this embodiment, refer to figure 1 The coal gasifier 100 will be described. The coal gasification furnace 100 is equipped with the furnace bottom 101, the partial oxidation part 102 (reaction furnace), and the thermal decomposition part 103 (reaction furnace). The furnace bottom 101, the partial oxidation part 102, and the thermal decomposition part 103 are all in a cylindrical shape, and are sequentially connected from the bottom to the top.

[0043] The furnace bottom 101 has a fun...

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Abstract

The subject of this disclosure is to cope with various fuel types with a simple structure. The gasification burner (1) is equipped with: a fuel pipe (10), which is configured to circulate fuel; a cylindrical cooling member (30), which is configured to circulate a cooling liquid inside it; and a cylindrical nozzle (20). ), which is located between the fuel pipe (10) and the cooling member (30) and arranged near their top ends. A through hole (21b) for oxidant is provided in the cylinder wall of the spray head (20), and the through hole (21b) penetrates the spray head (20) and is arranged to extend along the axial direction of the spray head (20). At least one of the nozzle head (20) and the fuel pipe (10) and between the nozzle head (20) and the cooling member (30) is screwed together with threads.

Description

technical field [0001] The present disclosure relates to a burner and a method of manufacturing the same. Background technique [0002] There is known a gasification furnace that gasifies a finely powdered solid fuel such as coal to generate combustible gas or the like. The gasification furnace includes a reaction furnace for performing a gasification reaction of fine powder fuel, and a gasification burner installed in the reaction furnace. An example of the structure of a gasification burner is disclosed by patent document 1, for example. The gasification burner has a cylindrical nozzle, and the cylindrical nozzle is provided with: a flow path for fuel, which is used for the circulation of fine powder fuel; a plurality of flow paths for oxidant, which is used for the flow of oxidant; and a flow path for cooling water, It is used for cooling water circulation. The tip surface (hereinafter, simply referred to as "tip surface") of the shower head is exposed in the reaction ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D14/78F23D1/00
CPCY02E20/30
Inventor 小池纯小菅克志川成将人
Owner NIPPON STEEL & SUMIKIN ENG CO LTD