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Glass kiln natural gas oxygen-enriched combustor

An oxygen-enriched combustion, glass furnace technology, applied in gas fuel burners, burners, combustion methods, etc., can solve the problems of reducing air excess coefficient, increasing heat utilization rate, reducing exhaust gas, etc., and reducing excess air coefficient, the effect of increasing the heat utilization rate and reducing the exhaust volume

Inactive Publication Date: 2011-08-31
SHANGHAI INST OF TECH
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Problems solved by technology

[0003] The present invention aims at the problem of large heat loss and high fuel consumption of existing burners, and proposes a natural gas oxygen-enriched burner for a glass kiln. On the basis of ordinary natural gas burners, the exhaust gas after combustion is reduced by using oxygen-enriched technology. volume, increase heat utilization rate, and reduce excess air coefficient

Method used

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  • Glass kiln natural gas oxygen-enriched combustor
  • Glass kiln natural gas oxygen-enriched combustor
  • Glass kiln natural gas oxygen-enriched combustor

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Embodiment Construction

[0009] like figure 1 The cross-sectional structural schematic diagram of the natural gas oxygen-enriched burner of the glass kiln is shown. The burner includes a shell 1, a natural gas conduit 2, a liner 3, an oxygen-enriched air diversion guide brick 4, a mixing chamber 5, a baffle plate 6, a plug 7, and a shell 1. The inner cavity is a cylinder, which is divided into front and rear parts. There is a diameter d on the front part of the shell 1. 1 The oxygen-enriched air injection inlet 8, the rear part is the mixing chamber 5, and the middle is as figure 2 The schematic cross-sectional view of the burner has six circular holes 11 and six semicircular holes 12 on the periphery. Oxygen-enriched air flows out through the six circular holes in the middle of the burner and six approximately semicircular holes on the periphery. Oxygen-enriched air outlet 10, a part of the natural gas conduit 2 is located in the middle of the front cavity of the burner, and a part is outside the b...

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Abstract

The invention relates to a natural gas oxygen-enriched burner with a glass kiln. Based on the normal natural gas burner, by adopting oxygen enrichment technology, the original larger air port is changed to a relatively smaller oxygen-enriched air port according to the oxygen content of the oxygen-enriched air so as to heighten the temperature of flame, reduce air displacement after combustion, promote heat utilization ratio and lower excess air coefficient.

Description

technical field [0001] The invention relates to a burner, in particular to a natural gas burner. Background technique [0002] At present, the burners used in glass kilns are usually air-assisted combustion. For the combustion of natural gas with high calorific value, the most notable feature is that the amount of combustion-supporting air required for combustion is large. While using a large amount of air for combustion, the air must be heated to the combustion temperature, and when the combustion air is supplied, a considerable amount of nitrogen (accounting for about 79% of the air) has also been brought in thereupon. After combustion, a large amount of nitrogen and excess oxygen are discharged together with combustion products at a very high temperature, which also takes away a large amount of heat, resulting in heat loss and increase in fuel consumption. Contents of the invention [0003] The present invention aims at the problem of large heat loss and high fuel con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D14/32F23D14/02
CPCY02E20/34
Inventor 徐兆康
Owner SHANGHAI INST OF TECH
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