Repairs to the refractory linings of the control heater and both reformers are needed . four of the 42 reformer auxiliary burners require repair , but the 168 sidewall burners are in reasonable condition 必須對控制加熱器和兩個轉(zhuǎn)化爐的耐火材料襯里進(jìn)行檢修。 42個輔助燃燒器中的4個需要檢修, 168個側(cè)墻燃燒器情況良好。