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Combustor by utilizing multiple types of mixed gases as fuels

A technology of mixing gas and burners, which is applied in the directions of gas fuel burners, burners, combustion methods, etc., can solve the problems of burning and gnawing carbon deposition and blockage, and achieves the solution of carbon deposition and blockage, which has good economic and social benefits, and is universally applicable. sexual effect

Inactive Publication Date: 2012-02-08
蓝星化工有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] (3) Existing burners are prone to burning and clogging due to carbon deposition

Method used

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  • Combustor by utilizing multiple types of mixed gases as fuels
  • Combustor by utilizing multiple types of mixed gases as fuels
  • Combustor by utilizing multiple types of mixed gases as fuels

Examples

Experimental program
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Embodiment Construction

[0028] Combine below Figure 2 to Figure 5 , the present invention is further described:

[0029] Such as figure 2 As shown, a burner using mixed gas as fuel is provided with a plurality of peripheral nozzles 1 and a central nozzle 2 inside the burner wall 8, and the internal space of the plurality of peripheral nozzles 1 and a central nozzle 2 is Gas passage area, the outer space of the plurality of peripheral nozzles 1 and one central nozzle 2 is an air passage area, and the ratio of the cross-sectional area 3 through which air flows to the cross-sectional area 4 through which gas flows in the burner is 3.2-3.6.

[0030] Since the ratio of the cross-sectional area of ​​the air flow to the cross-sectional area of ​​the gas flow in the burner is set to 3.4, it is found that the average calorific value of the mixed gas is 2790kcal / Nm 3 , High combustion efficiency, up to 99.5%. In addition, it can meet the requirements of the output of the burner when the proportion of vari...

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Abstract

The invention relates to a combustor by utilizing mixed gases as fuels. A plurality of peripheral nozzles and a center nozzle are arranged inside the combustor wall. Interior spaces of the peripheral nozzles and the center nozzle are fuel through areas, and exterior spaces thereof are air through areas. The ratio of the air through cross section to the fuel through cross section in the combustor is 3.2-3.6. After setting the ratio of the air through cross section to the fuel through cross section in the combustor to 3.2-3.6, the average heat valve of the mixed gases is 2790kcal / Nm<3>, and the combustion efficiency is high and can reach more than 99.5%. In addition, the invention can satisfy that the multiple types of mixed gases ensure the output force of the combustor meets the requirement when the ratio is changed, has general applicability, and can generate good economical and social benefits.

Description

technical field [0001] The invention relates to a burner, in particular to a burner using mixed gas as fuel. Background technique [0002] With the continuous promotion of circular economy, the expansion of TDI (TDI is the English abbreviation of toluene diisocyanate, the English full name Toluenediisocyanate) production scale and the change of fuel composition of supporting gas boilers, the burners of the original boilers can no longer meet the needs of production. [0003] One of the important reasons is that the output of the burner is insufficient or the combustion efficiency is low. Therefore, the original burner must be technically improved in order to meet the demand for energy supply and solve the bottleneck effect of insufficient steam pressure supply for TDI. [0004] The cross-sectional structure of the existing burner is as follows figure 1 As shown, the ratio of the cross-sectional area of ​​the burner with the original structure through which the air flows to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D14/00F23D14/02F23D14/62F23D14/70
Inventor 王旭丰刘天佐崔建帮任筱蓉李贵良赵辉
Owner 蓝星化工有限责任公司