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    煤炭清潔計劃出臺分質分級階梯利用

    添加時間:2016-10-28 點擊量:1192

    煤炭清潔計劃出臺 分質分級階梯利用

     隨著光伏、風電等清潔能源的大力發展和應用,傳統的煤炭能源也面臨清潔高效的轉型要求。

        昨日(5月6日),能源局發布《煤炭清潔高效利用行動計劃(2015~2020年)》(以下簡稱《計劃》),明確了七方面重點任務,提出了煤炭清潔高效利用目標,對燃煤發電以及原煤入選率都提出了明確要求。

        按照能源局的規劃,為提升煤炭產品質量,將會推進煤炭洗選和提質加工,同時,發展超低排放燃煤發電,加快現役燃煤機組升級改造。最為重要的是,能源局要開展煤炭分質分級梯級利用,提高煤炭資源綜合利用效率。

        煤炭生產更注重清潔化

        盡管未來煤炭所占能源消費的比重會進一步下降,但煤炭仍然是我國最重要的能源資源,所以清潔化之路繞不過去。

        在這次《計劃》中,能源局打算在煤炭資源上下足功夫,力推煤炭清潔化,羅列了詳細指標。

        今后,全國新建燃煤發電機組平均供電煤耗低于300克標準煤/千瓦時;到2017年,全國原煤入選率達到70%以上;現代煤化工產業化示范取得初步成效,燃煤工業鍋爐平均運行效率比2013年提高5個百分點。   未來6年是能源結構調整的關鍵時期,在這次調結構的過程中,新能源所占比例將大幅提升,而煤炭的主導地位會進一步削弱。

        未來幾年里,除了非化石能源占一次能源消費比重要達到15%以外,煤炭消費比重將控制在62%以內。在去年底公布的《能源發展戰略行動計劃(2014~2020年)》中就已經對煤炭未來的地位作了部署。

        到2020年,原煤入選率達到80%以上;現役燃煤發電機組改造后平均供電煤耗低于310克/千瓦時,電煤占煤炭消費比重提高到60%以上。

        卓創資訊分析師劉冬娜表示,目前電煤占煤炭消費比重差不多在65%以上,后期如果將比重改為60%以上,就是下降了。

        由于我國清潔能源占我國能源消費結構中所占比例未來將會進一步擴大,煤炭的清潔化也隨之跟近。《計劃》中提出,將會推進煤炭洗選和提質加工,提高煤炭產品質量。

        在煤炭生產方面,能源局將會大力發展高精度煤炭洗選加工,實現煤炭深度提質和分質分級;新建煤礦均應配套建設高效的選煤廠或群礦選煤廠,現有煤礦實施選煤設施升級改造,組織開展井下選煤廠示范工程建設。

        煤炭質量將分級

        長期以來,煤炭在中國能源消費結構中的比重保持在60%以上,有關煤炭產業的相關政策幾年來不斷出臺。這一次,為提高資源綜合利用效率,能源局決定開展煤炭分質分級梯級利用。《計劃》中明確,要逐步實現“分質分級、能化結合、集成聯產”的新型煤炭利用方式。鼓勵煤-化-電-熱一體化發展,加強各系統耦合集成。

        針對煤礦企業的淘汰,能源局已經在多個文件中規定,繼續淘汰9萬噸/年及以下煤礦,鼓勵具備條件的地區淘汰9萬噸/年以上、30萬噸/年以下煤礦。

        這次《計劃》中稱,在具備條件的地區推進煤化工與發電、油氣化工、鋼鐵、建材等產業間的耦合發展,實現物質的循環利用和能量的梯級利用,降低生產成本、資源消耗和污染排放。

        按照能源局計劃,到2017年,低階煤分級提質關鍵技術取得突破;2020年,建成一批百萬噸級分級提質示范項目。

        同時,能源局對京津冀等特殊地域也有專門的政策,京津冀及周邊地區、長三角、珠三角限制銷售和使用灰分大于16%、硫分大于1%的散煤。

        能源局決定,要制定更嚴格的民用煤炭產品質量地方標準,加快修訂優質散煤、低排放型煤等民用煤炭產品質量的地方標準,對硫分、灰分、揮發分、排放指標等進行更嚴格的限制,不符合標準的煤炭產品不允許銷售。

        在劉冬娜看來,未來幾年,煤炭行業或將面臨不少困難,尤其在環保要求不斷加大的情況下,預計需求量將會呈低速增長狀態,資源供應量也應有相當幅度的縮減。

        文章來源:中國新聞網


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