Nozzles for Spraying Coal–Water Fuels; Applied Sciences; Vol. 13, iss. 21

Nozzles for Spraying Coal–Water Fuels; Applied Sciences; Vol. 13, iss. 21

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Parent link:	Applied Sciences.— .— Basel: MDPI AG Vol. 13, iss. 21.— 2023.— Article number 12006, 13 p.
Tác giả chính:	Gvozdyakov D. V. Dmitry Vasilievich
Tác giả khác:	Zenkov A. V. Andrey Viktorovich
Tóm tắt:	Title screen This work presents a review of modern devices for spraying coal–water fuels. The efficiency of their operation was analyzed according to several criteria: the simplicity of their design (A), the fuel channel’s predisposition to clogging (B), durability in terms of the erosive wear of the nozzle channel (C), and dispersion of the jet—the average size of droplets in the jet (D). It was established that, from the point of view of operational efficiency, the most preferred devices for spraying coal–water fuels are those with a quasi-internal mixing of fuel and spraying agents. In combination with refractory or ceramic materials and the large diameter of the fuel channel, its rapid erosion wear and the likelihood of clogging with large particles of coal or agglomerates of viscous coal–water fuel are excluded. At the same time, the possibility of forming a fine-dispersed jet remains. The cooling of the nozzle with an external mixing of fuel and spraying agents during its operation also reduces the rate of erosion wear. Narrowing the fuel channel was proven to be an undesirable solution when creating a coal–water fuel nozzle. This review will be useful for both researchers studying the processes of spraying coal–water fuels and designers involved in the creation of coal–water fuel injectors or the transfer of existing boilers to coal–water fuel Текстовый файл
Ngôn ngữ:	Tiếng Anh
Được phát hành:	2023
Những chủ đề:	электронный ресурс труды учёных ТПУ nozzle spraying coal–water fuel air fuel drop
Truy cập trực tuyến:	http://earchive.tpu.ru/handle/11683/132525 https://doi.org/10.3390/app132112006
Định dạng:	Điện tử Chương của sách
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=680142

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