摘 要：介紹煤棒制作的工藝和要求，即原料煤粉含水質(zhì)量分?jǐn)?shù)＜8％，配制后原料含水質(zhì)量分?jǐn)?shù)＜13％，漚化時(shí)間一般為24 h，烘干后煤棒含水質(zhì)量分?jǐn)?shù)＜4％。以煤棒制氣時(shí)，應(yīng)適當(dāng)提高入爐蒸汽壓力和汽量，爐上溫度一般控制在(280±20)℃，爐下溫度一般控制在(300±20)℃，并應(yīng)調(diào)整吹風(fēng)百分比，增加下灰次數(shù)。采用煤棒制氣，可充分利用碎煤、粉煤，噸氨成本下降140元，噸尿素成本下降90元以上，經(jīng)濟(jì)效益顯著。
關(guān)鍵詞：煤棒；制氣；總結(jié)
Sum-Up of Use of Coal Rod for Gasification
Yao Liexia，Jing Wenge
(Shanxi Yongji Zhongnong Chemical Co.，Ltd. 044500)
Abstract：The process and requirements are given for the manufacture of coal rods，viz.，feed coal powder with a water content of ＜8％ mass fraction，water content of feed afte....
