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    • 5. 发明专利
    • Method for burning steel-making dust and sludge
    • 用于烧制钢渣和泥浆的方法
    • JPS6115929A
    • 1986-01-24
    • JP13636484
    • 1984-06-30
    • Nippon Jiryoku Senko Kk
    • OSHIUMI TAKASHIMORITA MITSUOHAYASHI KAZUHIKOMATSUZUKA SEISHIROU
    • C22B7/00C22B1/04C22B7/02
    • Y02P10/214
    • PURPOSE: To eliminate the pollution at low cost by kneading the dust generated in steel making and contg. harmful heavy metals, etc. with a carbonaceous fuel to form a briquette, and burning the briquette in a combustion box with a vent at the bottom under specified conditions to reduce and volatilize the metals.
      CONSTITUTION: A carbonaceous fuel such as coke powder is added to dust and sludge contg. harmful heavy metals, etc. and generated in a steel making operation, and the mixture is kneaded to form a briquette 4, which is packed into a combustion box body 1 equipped with a bottom surface part 2 and a partition plate 3 in 200W600mm thickness. The box body 1 is placed on slag 14 wherein dust is already charged, and burnt with the sensible heat of the slag under natural ventilation. The harmful heavy metals are reduced and volatilized, and recovered. The briquette 4 from which a part of the heavy metals is removed is transferred into a hopper 8, charged into molten slag 12 discharged from a steel-making furnace 10 while keeping the briquette at high temps., agitated by the bubbling 13 of a high-pressure gas, and completely slagged into the molten slag.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过揉捏炼钢产生的粉尘和遏制,以低成本消除污染。 有害的重金属等与含碳燃料形成团块,并且在特定条件下在底部的通风口的燃烧箱中燃烧团块以减少和挥发金属。 构成:将碳质燃料如焦炭粉末加入到灰尘和污泥中。 有害重金属等,并且在炼钢作业中产生,并将混合物捏合以形成团块4,将其装入配备有底部部分2和分隔板3的燃烧箱体1中,该燃烧箱体1为200-600mm 。 厚度。 箱体1放置在炉渣14上,其中灰尘已经被充电,并且在自然通风下用炉渣的显热燃烧。 有害重金属被还原并挥发,并回收。 去除一部分重金属的团块4被转移到料斗8中,装入从炼钢炉10排出的熔渣12中,同时保持压块在高温下,由高沸点的气泡13搅拌 压缩气体,并完全排入熔渣中。
    • 8. 发明专利
    • Simultaneous treatment of slag after steel manufacture, dust after steel manufacture and sludge
    • 钢铁制造后的SLAG同时处理,钢铁制造和污泥后的粉尘
    • JPS6152324A
    • 1986-03-15
    • JP17217284
    • 1984-08-18
    • Nippon Jiryoku Senko Kk
    • OSHIUMI TAKASHI
    • C22B1/00F27D15/00
    • PURPOSE: To make a melt slagging reaction perfect by adding a modifier and dust heated to a high temp. by roasting with a carbonaceous solid fuel to molten slag and by bringing them into said reaction at a high temp.
      CONSTITUTION: A carbonaceous solid fuel is added to a modifier for modifying slag 2 after steel manufacture, dust after steel manufacture and sludge by an amount required to roast them, and they are briquetted. The briquettes 6 are charged into a roasting apparatus 5, roasted to a red-hot state, and added to molten slag 2. Volatile matter is volatilized, and a melt slagging reaction is caused to modify the slag. The resulting molten slag 10 is solidified, the solidified slag is crushed, and luppe is recovered. The volatilized volatile matter is recovered by suction with a dust collector.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过加入改性剂和粉尘加热至高温,使熔融结渣反应完美。 通过将碳质固体燃料焙烧到熔融炉渣中并通过在高温下使其进入所述反应。 构成:将钢质固体燃料添加到钢铁制造后的炉渣2,钢铁制造后的灰尘和污泥中加入所需的量的碳质固体燃料,并将其压块。 将团块6装入焙烧装置5中,烘烤至红热状态,并添加到熔渣2中。挥发物挥发,引起熔融结渣反应而改变炉渣。 所得到的熔渣10固化,固化后的炉渣被粉碎,并回收luppe。 挥发性挥发物通过吸尘器吸收回收。