Pulverized coal boiler and control method thereof

The invention relates to a pulverized coal fired boiler which comprises a hearth; the preheating burner is suitable for preheating pulverized coal to form preheated fuel; and the preheating fuel nozzle is communicated with an outlet of the preheating combustor, and the preheating fuel nozzle is suit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GAO MING, LIU JINGZHANG, OUYANG ZIQU, LYU QINGGANG, MAN CHENGBO, NA YONGJIE, LI BAIHANG, ZHU JIANGUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES FEEDING FUEL TO COMBUSTION APPARATUS HEATING LIGHTING MECHANICAL ENGINEERING METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a pulverized coal fired boiler which comprises a hearth; the preheating burner is suitable for preheating pulverized coal to form preheated fuel; and the preheating fuel nozzle is communicated with an outlet of the preheating combustor, and the preheating fuel nozzle is suitable for introducing preheating fuel into the hearth. The invention also relates to a control method of the pulverized coal boiler. 本发明涉及一种煤粉锅炉，包括：炉膛；预热燃烧器，适于将煤粉预热，形成预热燃料；和至少一个预热燃料喷口，其中：所述预热燃料喷口与预热燃烧器的出口相通，且所述预热燃料喷口适于将预热燃料通入炉膛内。本发明也涉及一种煤粉锅炉的控制方法。