Boiler startup under conditions of convective heating of the highly reactive coal dust

A. V. Zhuikov, V. A. Kulagin, M. P. Baranova, D. O. Glushkov

Результат исследований: Материалы для журналаСтатья

1 цитирование (Scopus)

Выдержка

Experimental research of conditions and characteristics of ignition of the pulverized coal (with a particle size of approximately 80 μm) of different-type brown coals (1B, 2B, and 3B) during convective heating by a heated airflow (at a temperature of 425–600°С and velocity of 1–5 m/s) is carried out. The use of low-inertia thermocouples, a high-speed video camera, and dedicated software has made it possible to determine the minimum oxidizer parameters needed for coal dust ignition, and the approximation dependences of a main characteristic of the process under study―ignition delay time―on the air temperature. Results of experimental studies provide a basis for developing an optimal scheme of the boiler startup without heavy oil, which differs from the known schemes by the relatively low energy consumption for fuel-burning initiation. By example of the BKZ 75-39FB boiler, the economic usefulness of applying the boiler startup without heavy oil is shown. This scheme can be implemented using the proposed ignition burner that functions as a part of the direct system of pulverized-fuel preparation.

Язык оригиналаАнглийский
Страницы (с-по)870-875
Число страниц6
ЖурналThermal Engineering (English translation of Teploenergetika)
Том63
Номер выпуска12
DOI
СостояниеОпубликовано - 1 дек 2016

Отпечаток

Coal dust
Boilers
Ignition
Heating
Crude oil
Pulverized fuel
High speed cameras
Lignite
Video cameras
Thermocouples
Fuel burners
Energy utilization
Particle size
Coal
Temperature
Economics
Air

ASJC Scopus subject areas

  • Nuclear Energy and Engineering
  • Energy Engineering and Power Technology

Цитировать

Boiler startup under conditions of convective heating of the highly reactive coal dust. / Zhuikov, A. V.; Kulagin, V. A.; Baranova, M. P.; Glushkov, D. O.

В: Thermal Engineering (English translation of Teploenergetika), Том 63, № 12, 01.12.2016, стр. 870-875.

Результат исследований: Материалы для журналаСтатья

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