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    • 2. 发明专利
    • Waste gas treatment apparatus
    • 废气处理设备
    • JP2004130213A
    • 2004-04-30
    • JP2002297156
    • 2002-10-10
    • Chiyoda Corp千代田化工建設株式会社
    • NISHIJIMA HIROAKISUGIYAMA HIDEKIONDA NOBUHIRO
    • F23J15/04B01D47/06B01D51/00B01D53/68B01D53/70B01D53/77B03C3/00B03C3/01B03C3/013B03C3/02B03C3/16
    • PROBLEM TO BE SOLVED: To provide a waste gas treatment apparatus whereby a decrease in a dust removal performance and a decrease in the degree of decomposition incidental to an increase in the fly ash content in the waste gas can be prevented, scaling on the body of an apparatus can be prevented, the blockage of a pipe in a slurry circulation line can be prevented, the amount of the water used can be optimized, and the formation of useless waste water can be prevened.
      SOLUTION: A precipitation/separation section 25 that receives, precipitates, and separates a fly ash-containing slurry recovered from a cooling/dust removal section 2 and feeds the slurry into the cooling/dust collection section 2 and an extraction/decomposition section 3 is provided downstream of the cooling/dust removal section 2. The slurry discharged from an extraction/separation section is returned to the precipitation/separation section 25 through a solid/liquid separation section 17 and a heavy metal separation section 18. A circulation line 50 for feeding makeup water is provided, and the slurry in a line for discharge from the extraction/separation section has a concentration of 10 to 25 wt.% and a salt concentration of 10 to 20 wt.%.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了提供一种废气处理装置,可以防止排气性能的降低和与废气中的飞灰含量增加有关的分解程度的降低, 可以防止装置的主体,可以防止浆料循环管道中的管道堵塞,可以优化使用的水量,并且可以预防无用的废水的形成。 解决方案:一种沉淀/分离部分25,其接收,沉淀和分离从冷却/除尘部分2回收的含飞灰的浆料并将浆料进料到冷却/粉尘收集部分2中并提取/分解 在冷却除尘部2的下游设置有第3部分。从抽出/分离部排出的浆料通过固/液分离部17和重金属分离部18返回到析出分离部25。 提供用于补充补充水的管线50,用于从萃取/分离部排出的管线中的浆料的浓度为10〜25重量%,盐浓度为10〜20重量%。 版权所有(C)2004,JPO
    • 3. 发明专利
    • Production method of coking additive for coke
    • 焦化添加剂的生产方法
    • JP2014136723A
    • 2014-07-28
    • JP2013005243
    • 2013-01-16
    • Chiyoda Corp千代田化工建設株式会社
    • SUGIYAMA HIDEKIMURONAKA YOSHIHIROSHIMURA MITSUNORIHATTORI KEISUKEUEDA SHIGERUARAMAKI TOSHIHIROONOZAKI MASAKI
    • C10B57/06
    • C10B57/06
    • PROBLEM TO BE SOLVED: To provide a production method of a coking additive for coke that can achieve simplification and power reduction of an apparatus for sufficiently agitating powdered coal slurry in thermal decomposition, and further to provide a production method of a coking additive for coke that suppresses coking to achieve smooth operation.SOLUTION: A production method of a coking additive for coke comprises: drying/slurrying steps 1,2,3 for crushing low-grade coal into powdered coal, mixing with a hydrogenation solvent, slurrying, and then drying; a preheating step 4 for preheating the slurry obtained in the drying/slurrying steps; a thermal decomposition/hydrogenation step 5 for thermally decomposing the preheated slurry to obtain a product; and solid/liquid/gas separation steps 6,7,8 for separating the product obtained in the thermal decomposition/hydrogenation step into gas, oil, and a coking additive for coke. The water content of the powdered coal is adjusted to be 5-25 wt.% in the drying/slurrying steps, and the moisture in the powdered coal is evaporated in the preheating step.
    • 要解决的问题:提供一种用于焦化焦炭添加剂的制造方法,其可以实现用于在热分解中充分搅拌粉煤浆的装置的简化和功率降低,并且还提供了一种用于焦炭的焦化添加剂的生产方法, 抑制焦化实现平稳运行。解决方案:焦炭焦化添加剂的生产方法包括:将低级煤粉碎成粉煤的干燥/制浆步骤1,2,3,与氢化溶剂混合,制浆,然后干燥 ; 用于预热在干燥/制浆步骤中获得的浆料的预热步骤4; 热分解/氢化步骤5,用于热分解预热的浆料以获得产品; 和用于将在热分解/氢化步骤中获得的产物分离成气体,油和用于焦炭的焦化添加剂的固/液/气体分离步骤6,7,8。 在干燥/制浆步骤中将粉煤的含水量调节至5-25重量%,并且在预热步骤中将粉煤中的水分蒸发。