求翻译：目前，国内外燃用无烟煤、贫煤等低挥发份煤的煤粉锅炉几乎都采用基于耐火隔热材料的卫燃带稳燃技术是什么意思？

At home and abroad fueled with anthracite, lean coal, low volatile coal, pulverized coal boiler is almost stable combustion technology based on fire-resistant insulation material ignition belt

At present, both at home and abroad with a coal fuel such as coal, a low-volatile coal-fired boilers and powder-based almost all fire-retardant, heat-resistant materials with a steady fuel technology

At present, the domestic external combustion with the anthracite, the lean coal and so on the low volatility share coal powdered coal boiler nearly all uses based on the fireproof thermal insulation material health burns the belt to burn the technology steadily

At present, both at home and abroad such as anthracite, meager coal almost all low volatile matter of pulverized coal-fired boiler based on guardian of the fire-resistant insulation material heat-stable combustion technology

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