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電熱蒸汽鍋爐-電加熱導熱油爐煤與空氣要充分混合

電熱蒸汽鍋爐-電加熱導熱油爐煤與空氣要充分混合

煤中加入適當的水分可提高燃燒效率,當煤中摻水在8%-10%。

首先要有足夠的空氣供給:供給適量的空氣是燃燒完全和穩定的必要條件。

空氣過多,一則會降低爐膛溫度,影響燃燒的穩定性;

電熱蒸汽鍋爐-電加熱導熱油爐煤與空氣要充分混合

二則增加排煙損失。反之,空氣量過小,當煤中摻水在8%-10%,又會使煤燒得不透,增加機械不完全燃燒損失。

根據燃煤的燃燒性,風量的配給十分重要,沿爐排長度方向,電加熱導熱油爐采用分段配風,而沿爐寬度方向,應保持爐排表面風速均勻一致。

其次煤與空氣要充分混合:為了使煤與空氣中氧接觸激烈地燃燒,必須做到:煤塊適度,粒度應保持6-25mm之間。

電熱蒸汽鍋爐-電加熱導熱油爐煤與空氣要充分混合

要求煤滲水均勻,煤塊末混合均勻,布風均勻,電熱導熱油爐火床要平整。在實際運行中,司爐人員必須勤看火、勤檢查、勤調整、根據燃燒狀況,調整煤層厚薄,控制好各分段風門開度,調整到需要的送風量,只要做到以上幾點,一定能取得良好的經濟效果。

電熱蒸汽鍋爐-電加熱導熱油爐煤與空氣要充分混合

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