Smoke classifying and inner circulating type low-NOx and high-calorific-value fuel gas combustion device
A technology of gas combustion and internal circulation, which is applied in the direction of gas fuel burners, burners, combustion methods, etc., can solve the problems of high installation cost, easy generation of condensed water, and influence on thermal efficiency, so as to ensure flame distribution and reduce the probability of generation Effect
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[0026] The present invention will be further described below in conjunction with the accompanying drawings and typical embodiments.
[0027] exist figure 2 , image 3 and Figure 4 Among them, a flue gas graded internal circulation type low NOx high calorific value gas combustion device, the main body includes a burner throat 1, a flame stabilizer or swirler 2, several internal gas guns 3, several external gas guns 4 and The combustion-supporting air channel 5 is characterized in that it also includes a central cylinder 6 and a fixed mounting bracket 7, wherein:
[0028] The main body of the burner throat 1 is in the shape of a thick cylinder, which is composed of a front port 11, a rear port 12 and a cylinder wall 13;
[0029] The fixed installation bracket 7 is fixed on the rear port 12 of the burner throat 1, and is provided with a limit installation hole 71 corresponding to the central cylinder 6, the inner gas gun 3 and the outer gas gun 4;
[0030] The main body of ...
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