吉安火力发电厂在１９９１年６月锅炉大修期间，在输煤管内煤磨擦最厉害的底板及二侧用厚２５毫米松板衬住。经运行１４８０６小时后进行检查，输煤管内仍存有部份残留的松板。衬有松板的钢板厚度还剩３～４毫米（原钢板厚６毫米），未衬松板的钢板有的早已磨穿、最厚部位只有 During the overhaul of the boiler in June 1991, the Ji’an thermal power plant was lined with 25 millimeters of loose slabs on the floor and on both sides of the coals where the coal was frayed most. After the operation of 14806 hours to check, there are still some residual loose pine plate. Lining loose plate thickness of 3 to 4 mm left (the original steel thickness 6 mm), the lining of the plate has not worn some of the wear, the thickest parts only