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??鍋爐爐膛清灰是鍋爐檢修工作的第一步。由于鍋爐運行期間生成的大量煤灰會因不斷吸收空氣中的水分而附著在爐膛內壁和管束上,不僅會大大降低鍋爐的熱效率,而且混合在煤灰中的硫化物也會在水的作用下生成酸,對鍋爐管束造成腐蝕,因此,采暖期一結束,就必須及時對鍋爐爐膛進行清灰工作。由于一個采暖期下來,爐膛內已經滿是積灰,整個清理過程,員工都是置身在“灰?!敝凶鳂I的。

? 從4月份到5月份,西區檢修一段鉗工班都在從事著艱苦的爐膛清灰工作,無論天氣多熱,作業人員都要把自己包得嚴嚴實實,從不到30厘米見方爐門爬進爐膛,不僅煙塵熏嗆,而且由于爐膛內空間狹小,很多時候人要蹲在里面作業,不一會兒就會感到腰酸背痛,腿腳酸麻。積灰清完后,還要集中裝袋,外運處理。估算起來,一臺70MW的鍋爐大約要清理出10余立方米的積灰,西區檢修一段5名員工不辭辛苦,任勞任怨,在2個月的時間里,相繼完成了2臺70MW、1臺29MW和3臺14MW鍋爐的清灰工作.。

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