Wall type arrangement direct-current pulverized coal combustion technology used for industrial pulverized coal boiler
An industrial boiler and pulverized coal combustion technology, which is applied to the combustion of block fuel and powder fuel, the combustion of liquid fuel and powder fuel, the combustion of gaseous fuel and powder fuel, etc. It can solve high temperature corrosion, coal powder Problems such as industrial boiler slagging
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[0021] Such as figure 1 — image 3 Shown, a kind of wall-type arrangement direct current pulverized coal combustion technology for pulverized coal industrial boiler, comprises furnace body 1, and described furnace body comprises front wall 11, back wall 12 and the hearth 2 formed in furnace body interior, and described Both the front wall 11 and the rear wall 12 are equipped with at least one direct current burner 3 communicating with the furnace 2 , and the direct current burner 3 of the front wall 11 and the direct current burner 3 of the rear wall 12 are opposite to each other.
[0022] The once-through burner 3 includes a plurality of primary air nozzles 31 and a plurality of secondary air nozzles 32, the number of the secondary air nozzles 32 is one more than the number of the primary air nozzles 31, the primary air nozzles 31 and the The secondary sub-spouts 32 are arranged at intervals up and down.
[0023] A DC burner 3 is installed on the front wall and the rear wal...
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