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Pure pre-mixed gas fuel burner of bi-layer porous foamed ceramic plate

A foamed ceramic plate, porous foam technology, applied in gas fuel burners, burners, combustion methods, etc., can solve the problems of coating drying or sintering quality influence, uneven heating of strip surface, strip surface defects, etc. Achieve high combustion rate and stability, avoid excessive shell temperature, and wide range of load regulation

Active Publication Date: 2015-01-28
WISDRI WUHAN WIS IND FURNACE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High-speed burners and flat-flame burners are used in traditional strip steel drying furnaces to meet the process requirements. Due to the limitation of the working principle of high-speed burners and flat-flame burners, it is easy to cause local high temperature during the working process, which makes the surface of the strip steel heated unevenly. , so as to affect the drying or sintering quality of the coating, and this kind of combustion has obvious flames, which will cause quality defects on the surface of the strip. At the same time, this kind of combustion method has high pollutant emissions and low heating efficiency

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Embodiment Construction

[0031] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] It should be noted that, in the description of the present invention, the terms "horizontal", "vertical", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be cons...

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Abstract

The invention discloses a pure pre-mixed gas fuel burner of a bi-layer porous foamed ceramic plate. The pure pre-mixed gas fuel burner comprises a shell, a macroporous foamed ceramic plate, a microporous foamed ceramic plate, a top air distributor and a bottom air distributor, wherein the shell comprises a cooling cavity in an annular structure and a shell base-plate arranged on the cooling cavity, the cooling cavity is provided with a cooling cavity used for providing cooled air to cool the cooling cavity, and the bottom of the cooling cavity is provided with a cooled air inlet communicated with the cooling cavity; the top of the cooling cavity is provided with a cooled air outlet communicated with the cooling cavity, an annular frame formed by the cooling cavity is sequentially provided with the macroporous foamed ceramic plate, the microporous foamed ceramic plate, the top air distributor, the bottom air distributor and the shell base-plate from top to bottom, and the shell base-plate is provided with a mixed gas inlet for providing mixed gas of fuel and air to enter. According to the burner provided by the invention, the heating efficiency can be improved, and the heating uniformity can be improved.

Description

technical field [0001] The invention relates to the technical field of burner structures, in particular to a double-layer porous foam ceramic plate pure premixed gas fuel burner. Background technique [0002] At present, the combustion of gaseous fuels in my country's industrial production is mainly space combustion characterized by free flames. This combustion method has a steep temperature gradient near the flame surface and uneven temperature distribution. The existence of local high-temperature areas has caused a large amount of NO X At the same time, there are also problems such as incomplete combustion, low thermal efficiency, and poor combustion stability. For silicon steel, galvanized and other coated products, the drying quality of the surface coating is directly related to the surface quality of the product, and the surface quality of the strip steel is the key factor for product classification and price positioning. High-speed burners and flat-flame burners are u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D14/02F23D14/14F23D14/46
CPCF23D14/02F23D14/14F23D14/18F23D14/46F23D2203/105F23D2203/107
Inventor 李卫杰李本文周末陈元元黄文文张敬奎杨进李红林
Owner WISDRI WUHAN WIS IND FURNACE
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