OPERATING METHOD OF BOILER IN BOTTOM-ASH REMOVAL MODE Russian patent published in 2011 - IPC F23C5/24 

Abstract RU 2415337 C1

FIELD: power industry.

SUBSTANCE: in boiler operating method in bottom-ash removal mode, which involves combustion of solid fuel in high-temperature circulating fluidised bed, the bottom ash is removed from combustion zone to slag receiving zone, combustion products are removed and heat the primary air, slag contacting with the coil installed in slag receiving zone heats the ambient air moving in the coil and directed to combustion zone as secondary air.

EFFECT: improving reliability and economy by simplifying the slag removal at available ash hopper and utilisation of heat of slag during steam generation in case of combustion of solid fuel in high-temperature circulating fluidised bed and removal of slag in solid form.

1 dwg

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RU 2 415 337 C1

Authors

Trushin Aleksej Nikolaevich

Sokolov Vitalij Jur'Evich

Sadchikov Aleksej Viktorovich

Gorjachev Sergej Veniaminovich

Naumov Sergej Aleksandrovich

Dates

2011-03-27Published

2009-12-17Filed