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燃氣在使用完畢后要進行封爐工作，這時就需要我們對其進行停風工作，那么在停風前有哪些注意的地方呢？只有按照流程來進行操作才可保證設備正常的封爐，下面廠家就來說一下注意事項。
Gas hot blast stove should be sealed after use. At this time, we need to shut down the gas stove. What should we pay attention to before stopping the gas stove? Only by operating in accordance with the process can the normal sealing of the equipment be ensured. The following hot stove manufacturers will talk about the matters needing attention.
1）燃氣封爐前采取發展邊緣等一系列措施來保證爐況穩定順行，爐缸活躍，爐溫充沛，避免發生崩料和懸料。
1) A series of measures such as development edge should be taken before sealing the gas hot blast stove to ensure the stable and smooth operation of the furnace, active hearth and abundant furnace temperature, so as to avoid the occurrence of slag and suspension.
2）封爐前爐渣堿度不宜偏高，可適當減少石灰石用量，同時還可配加少量錳礦，維持爐渣堿度1.00-1.05 ，渣中（MnO）含量在1.0%-2.0%之間，以保證爐渣有足夠的流動性。
2) Slag basicity should not be too high before sealing, which can reduce the amount of limestone appropriately. At the same time, a small amount of manganese ore can be added to maintain slag basicity of 1.00-1.05, and the content of MnO in slag is between 1.0% and 2.0%, so as to ensure sufficient fluidity of slag.
3）在封爐前應加螢石清洗爐缸，消除爐缸堆積。
3) The hearth should be cleaned with fluorite before sealing to eliminate the accumulation of hearth.
4）對損壞的風、渣口要及時進行更換，對燒損的冷卻壁要關閉其進出水，杜絕向爐內漏水。
4) The damaged air and slag outlets should be replaced in time, and the burned cooling wall should be closed to prevent water leakage into the furnace.
5）燃氣封爐料也由凈焦、空料和正常輕料等組成，爐缸、爐腹全裝焦炭，爐腰及爐身下部可根據封爐時間長短裝入空焦和正常輕料，封爐時間越長，輕料負荷越輕。
5) Gas hot blast stove sealing charge is also made up of net coke, empty charge and normal light charge. Full coke is loaded in hearth and hearth, and empty coke and normal light charge can be loaded in waist and lower part of furnace body according to the time of sealing. The longer the time of sealing, the lighter the load of light charge.
6）封爐前應適當增大鐵口角度，特別是在最后一次鐵時要把鐵口角度加大到14度，全風噴吹后再堵口，以保證休風前渣鐵出凈，最大限度地減少爐缸中的剩余渣鐵。
6) Before closing the furnace, the angle of the taphole should be increased appropriately, especially when the last tap is made to 14 degrees, and then the tap should be blocked after full air injection, so as to ensure that the slag iron is discharged clean before blowing off and to minimize the residual slag iron in the hearth.
7）當封爐料到達風口平面時可按長期休風程序休風。
7) When the sealing material reaches the tuyere level, it can be stopped by a long-term stopping procedure.
8）燃氣爐頂料面加裝水渣（或礦粉）封蓋，以防料面焦炭燃燒。
8) Water slag (or mineral powder) is added to cover the top material level of gas hot blast stove to prevent coke burning on the material level.