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    • 6. 发明申请
    • CARBONACEOUS SUBSTANCE GASIFICATION DEVICE AND METHOD
    • 碳质物质气化装置及方法
    • US20160355742A1
    • 2016-12-08
    • US15038801
    • 2014-11-21
    • ChangZheng Engineering Co., Ltd.
    • Congbin JiangWei XinHonghai LiRuiheng GaoYongjin ChenXiaofei LiYan ZhangLi Zhang
    • C10J3/86C01B3/50C10J3/84C01B3/02C10J3/48C10J3/50
    • C10J3/86C01B3/02C01B3/50C01B2203/04C01B2203/0877C10J3/485C10J3/506C10J3/84C10J2300/093C10J2300/0976C10J2300/1853
    • A carbonaceous substance dry powder gasification device and method, the device comprising from bottom to top a lower cooling and purification section (1), a gasification reaction section (2), a cooling reaction section (3) and an upper cooling and purification section (4); an initial cooling device is disposed at the connection between the cooling reaction section and the gasification reaction section; and a plurality of nozzles are circumferentially arranged in the gasification reaction section. The method comprises: a gasification reaction is conducted between a carbonaceous substance and an oxygenated gasifying agent to generate crude synthesis gas and ash; part of the crude synthesis gas and most of the ash go downstream for cooling and gasification, and the cooled and ash removed crude synthesis gas is transferred to subsequent processes, and the quenched ash is discharged through an ash outlet; the remaining crude synthesis gas and fly ash go upstream to mix with a cooling substance for cooling, and then are transferred to the cooling reaction section for reacting with the incompletely reacted carbon and added gasification agent; the crude synthesis gas and the fly ash are cooled and purified to remove the fly ash, and the clean low-temperature crude synthesis gas is transferred to subsequent processes. The method avoids ash blocking at an ash outlet in an upstream air-exhaust method, and also avoids overheating at the top in a downstream air-exhaust method, thus improving the carbon conversion rate.
    • 一种含碳物质干粉气化装置及其制造方法,其特征在于,从底部至顶部包括下部冷却和净化部分(1),气化反应部分(2),冷却反应部分(3)和上部冷却和净化部分 4); 初始冷却装置设置在冷却反应部和气化反应部之间的连接处; 在气化反应部中周向配置多个喷嘴。 该方法包括:在碳质物质和含氧气化剂之间进行气化反应,产生粗合成气和灰分; 粗合成气的一部分和大部分灰分下游进行冷却和气化,将冷却和除灰的粗合成气转移到随后的过程中,淬火灰通过灰分出口排出; 剩余的粗合成气和飞灰上游与冷却物质混合冷却,然后转移到冷却反应段,与不完全反应的碳和添加的气化剂反应; 将粗合成气和飞灰冷却并纯化以除去飞灰,并将干净的低温粗合成气转移到随后的工艺中。 该方法避免了上游排气法灰渣的灰渣堵塞,同时也避免了下游排气法顶部过热,提高了碳转化率。