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sasol waste heat boiler project

Conventional low nitrogen low nitrogen gas sasol waste heat boiler project combustion technology mainly focus on how to reduce the combustion temperature to reduce the thermal nitrogen oxides (NOx) generated carried out, the main techniques include staged combustion, premixed combustion, flue gas recirculation. 1, a fuel staged combustion / combustion air staging thermal NOx amount largely depends on the level of the combustion temperature. In the equivalent ratio of the combustion temperature reached the highest value in the case 1, the combustion under lean or rich combustion cases, the combustion temperature will fall much. Using this principle to launch a staged combustion technology.

The water circulation of the double horizontal tube water tube sasol waste heat boiler project is divided into two parts: one part is the water circulation of the convection tube bundle between the upper and lower horizontal pots; the other part is the water circulation by the water wall tube around the furnace, wherein the water in the front and rear water wall tubes The steam-water mixture directly enters the upper drum, and the steam-water mixture in the water-cooled wall pipes on both sides enters the upper drum through the upper header and the steam guiding tube. The water in each water wall tube is supplied by a down pipe drawn from the lower drum.

First, there is the stage, sasol waste heat boiler project water treatment problems

1. The lack of attention to the work of boiler water treatment

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