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Название: Reduction of Nitrogen Oxides Emissions from a Coal-Fired Boiler Unit
Авторы: Zhuikov, Andrey
Feoktistov, Dmitriy Vladimirovich
Koshurnikova, Natalya
Zlenko, Lyudmila
Ключевые слова: выбросы; оксид азота; котлоагрегаты; сжигание; топливо; вредные вещества; котельные агрегаты
Дата публикации: 2016
Издатель: EDP Sciences
Библиографическое описание: Reduction of Nitrogen Oxides Emissions from a Coal-Fired Boiler Unit / A. V. Zhuikov [et al.] // European Physical Journal Web of Conferences (EPJ Web of Conferences). — 2016. — Vol. 110 : Thermophysical Basis of Energy Technologies : Proceedings of the Conference, October 13-15, 2015, Tomsk, Russia. — [01050, 4 p.].
Аннотация: During combustion of fossil fuels a large amount of harmful substances are discharged into the atmospheres of cities by industrial heating boiler houses. The most harmful substances among them are nitrogen oxides. The paper presents one of the most effective technological solutions for suppressing nitrogen oxides; it is arrangement of circulation process with additional mounting of the nozzle directed into the bottom of the ash hopper. When brown high-moisture coals are burnt in the medium power boilers, generally fuel nitrogen oxides are produced. It is possible to reduce their production by two ways: lowering the temperature in the core of the torch or decreasing the excess-air factor in the boiler furnace. Proposed solution includes the arrangement of burning process with additional nozzle installed in the lower part of the ash hopper. Air supply from these nozzles creates vortex involving large unburned fuel particles in multiple circulations. Thereby time of their staying in the combustion zone is prolonging. The findings describe the results of the proposed solution; and recommendations for the use of this technological method are given for other boilers.
URI: http://earchive.tpu.ru/handle/11683/33385
Располагается в коллекциях:Материалы конференций

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