Method and burner for burning low-grade coal.

A new method and burner for burning low-grade coal, which will provide an opportunity to reduce or even abandon the use of expensive and scarce natural gas and oil and use enough combustible mixture for firing pulverized coal flame in the furnace boiler, Fire starter boiler and combustion flame stabilization in adverse conditions variable thermal loads and lower quality coal.

Опис пропозиції

When the ignition and paper boilers and furnaces for various purposes that run on pulverized coal, use significant amounts of highly reactive liquid and gaseous fuels - natural gas and / or oil for the firing, and compensation for "Light" - burning pulverized coal flame stabilization in the decline as coal, primarily to increase its ash content and reduced calorie, for nominal power burner.

The global thermal power practice developed various ways inferior pulverized coal combustion and burner equipment for this. The basis of these methods of incineration and of appropriate burners on the principle of partial gasification of the coal dust, thus obtaining a mixture of combustible gases - synthesis gas, pulverized coal beneficiation flame flammable combustible gases.

The method of preparation of pulverized coal from low-grade coal with high ash content and moisture content for burning in thermal power units - energy and industrial boilers, furnaces, soaking pits, etc. The method involves mixing in a work zone, additional grinding of pulverized coal with its chemical mechanical activation, thermo chemical preparation of pulverized coal with partial pyrolysis and gasification in the number of oxidant, less than stoichiometric ratio.

Тип технології

Конструкція
Процес

Сфера застосування

The invention relates to heat and can be used for burning pulverized coal, particularly of high-and low-reactivity of pulverized coal in boiler furnaces thermal power plants and other heat generating units in boiler and furnace farming industry.

Технічні та економічні переваги

Open it possible to reduce or even abandon the use of expensive and scarce natural gas and oil and use enough combustible mixture for firing pulverized coal flame in the furnace boiler, Fire starter boiler and combustion flame stabilization in adverse conditions of variable thermal loads and lower quality coal.

Iнноваційні аспекти

Used Outline midst of pulverized coal burner core with increasing thermal capacity main burner to a specified level.

Де була представлена технологія

Full-scale tests on Tripoli thermal electric station.

Практичний досвід застосування

Full-scale testing.

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