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1. 发明专利

JPH10298557A LIQUEFACTION OF COAL 失效
公开(公告)号：JPH10298557A
公开(公告)日：1998-11-10
申请号：JP10924197
申请日：1997-04-25
申请人： NIPPON STEEL CORP , MITSUI SEKITAN EKIKA KK
发明人： AIHARA YOICHI , IMADA KUNIHIRO , MOCHIZUKI MICHIHARU , IGUCHI KENJI , NOGAMI YOSHINOBU
IPC分类号： C10G1/06
摘要： PROBLEM TO BE SOLVED: To produce a liquefied coal wherein a solvent for liquefaction of coal to be recycled is surely judged in terms of stabilization of the solvent by determining the time when each of the concentrations of specific substances contained in the solvent result in a certain convergence and hence a recovery of stabilized liquefied oil is increased and a running time required for the stabilization is lessened. SOLUTION: This method comprises the following steps: preparing a coal slurry 4 by blending coal 1 and a solvent and catalyst for liquefying coal; producing a liquefied oil by heating and pressurizing the coal slurry 4 in the presence of hydrogen 5 so as to be subjected to pyrolysis and hydrocracking reaction; fractionating the liquefied oil into a product oil, circulating solvent 14 and liquefied residuals 13 by distillation under normal and reduced pressures; hydrogenating the circulating solvent 14 by heating and pressurizing the solvent 14 in the presence of hydrogen 15 and a catalyst for solvent hydrogenation; and recyclably employing the resultant solvent in the first slurry-preparing process. In the above liquefied process, when the variation of the respective concentrations of paraffin, pyrene, biphenyl, dibenzofuran and/or anthracene falls within the range of 2% per day, the solvent in question is judged as a stabilized solvent.

2. 发明专利

JPH09296179A LIQUEFACTION OF COAL 失效
公开(公告)号：JPH09296179A
公开(公告)日：1997-11-18
申请号：JP10831996
申请日：1996-04-30
申请人： NIPPON STEEL CORP , MITSUI SEKITAN EKIKA KK
发明人： AIHARA YOICHI , IMADA KUNIHIRO , ITONAGA MASUMI , IGUCHI KENJI , NOGAMI YOSHINOBU
IPC分类号： B01J23/847 , B01J23/88 , C10G1/06
摘要： PROBLEM TO BE SOLVED: To stably liquefy coal at a high efficiency by mixing the coal with a solvent and a catalyst, carrying out the hydrogenolysis of the resultant slurry, providing a liquefied oil, distilling the prepared liquefied oil, controlling the feed rates of a medium oil and a heavy oil obtained by the distillation, hydrogenating the oils, affording a solvent with a constant aromatic hydrocarbon fraction and circulating the solvent for use. SOLUTION: Coal 1 is mixed with a catalyst 2 for liquefying the coal 1 and a solvent 3 for liquefying the coal 1 to provide a slurry 4, which is then heated and pressurized in the presence of hydrogen 5 to carry out the pyrolysis and hydrogenolysis reactions. Thereby, a liquefied oil is obtained, distilled under atmospheric and reduced pressures and separated into a product oil and a liquefaction residue. The feed rates of a part or all of the resultant medium oil 11 and a heavy oil 12 are controlled with a feed pump 14, etc., so as to keep the aromatic hydrocarbon fraction (fa ) of the produced solvent 3 for liquefying the coal 1 constant and hydrogenolysis is conducted by using a catalyst for hydrogenating the solvent 3 to produce the solvent 3 for liquefying the coal 1 at a constant fa . The resultant solvent 3 for liquefying the coal 1 is circulated for use in slurrying of the coal 1.

3. 发明专利

JP2001026785A METHOD FOR COAL LIQUEFACTION 失效
公开(公告)号：JP2001026785A
公开(公告)日：2001-01-30
申请号：JP20180499
申请日：1999-07-15
申请人： AGENCY IND SCIENCE TECHN , MITSUI SEKITAN EKIKA KK , NIPPON STEEL CORP , ASAHI CHEMICAL IND
发明人： OKADA YASUO , IGUCHI KENJI , HANEDA MORIYA , IMADA KUNIHIRO , AIHARA YOICHI , SAKURAI MASAAKI , SHIBATA MASAO , SAKAKI TAKESHI
IPC分类号： B01J27/043 , C10G1/06
摘要： PROBLEM TO BE SOLVED: To provide a method for coal liquefaction ensuring a catalyst aggregation to be prevented during temperature rising process and under liquefaction reaction conditions, thereby high catalytic activity to be elicited and liquefied oil yield to be improved. SOLUTION: This method for coal liquefaction comprises the following steps: a slurry is made by mixing coal with a solvent and a catalyst and then subjected to high-temperature and high-pressure conditions in the presence of hydrogen to effect hydrogenolysis of the coal to produce the objective liquefied oil; wherein an anionic surfactant is included in the slurry.

4. 发明专利

JPH09296181A LIQUEFACTION OF COAL 失效
公开(公告)号：JPH09296181A
公开(公告)日：1997-11-18
申请号：JP11252696
申请日：1996-05-07
申请人： NIPPON STEEL CORP , MITSUI SEKITAN EKIKA KK
发明人： KAWABATA MUTSUMARO , OKADA SEIICHI , AIHARA YOICHI , IMADA KUNIHIRO , IGUCHI KENJI , NOGAMI YOSHINOBU
IPC分类号： C10G1/06
摘要： PROBLEM TO BE SOLVED: To liquefy coal from a high-concentration slurry into a fuel oil at a low cost by carrying out the liquefying reaction of a specific coal slurry together with a reducing gas at a high temperature under a high pressure, distilling and separating the resultant liquefied oil into a product oil consisting essentially of a light, a medium and a heavy oils. SOLUTION: Coal A1 is mixed with a solvent B2 and a catalyst C3 with a stirring device 5, etc., in a slurry preparation tank 4, etc., so as to contain 1-3wt.% catalyst C based on the dried coal A and provide >=50wt.% coal A based on the total amount of the coal A and solvent B and

5. 发明专利

JP2010209310A Method for measuring specific volume of blended coal, estimation method of coke surface fracture strength and coal blending method 有权
$Method for measuring specific volume of blended coal, estimation method of coke surface fracture strength and coal blending method$
标题翻译：用于测量混合煤的特定体积的方法，焦炭表面裂纹强度和煤混合方法的估计方法
公开(公告)号：JP2010209310A
公开(公告)日：2010-09-24
申请号：JP2009183074
申请日：2009-08-06
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NOMURA SEIJI , ISHIHARAGUCHI YUUJI , KAKIGI MITSURU , AIHARA YOICHI , TSUKASAKI YOSHIMITSU , KOIZUMI SATOSHI
IPC分类号： C10B45/00 , C10B57/04 , G01N7/14 , G01N33/22
摘要： PROBLEM TO BE SOLVED: To provide an estimation method of coke surface fracture strength having high accuracy when coal which has a high ash component and is not subjected to deashing treatment is used as blended coal of a coke raw material. SOLUTION: In a measuring method for measuring a specific volume of the blended coal formed by blending middle ash coal having >0% total expansion rate measured by an expansion testing method of JIS M 8801 and having >5.5 mass% and COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有高灰分成分并且不进行脱气处理的煤的具有高精度的焦炭表面断裂强度的估计方法作为焦炭原料的混合煤。解决方案：在通过混合通过JIS M 8801的膨胀试验方法测量的＆gt;> 5.5质量％和<12的总膨胀率> 0％的中间灰煤形成的混合煤的比容积的测量方法中，灰分含量和其他煤，其他煤包括总膨胀率为0％，灰分≥12质量％的高灰分煤，总膨胀率为0％，灰分含量为≤5.5％的低灰分煤，具体为混合煤的体积是通过将通过煤的膨胀试验方法测量的中灰分的比容积乘以表示中灰分高的煤灰的抑制程度的校正系数而获得的值，低灰煤。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010138254A Method of manufacturing coke for blast furnace 有权
标题翻译：用于制作烤炉的焦炭方法
公开(公告)号：JP2010138254A
公开(公告)日：2010-06-24
申请号：JP2008314860
申请日：2008-12-10
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KUBOTA MASAHIRO , NOMURA SEIJI , AIHARA YOICHI , IKEDA KOICHI
IPC分类号： C10B57/04 , C10B57/00
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing coke which has extremely high strength without increasing pulverized coal having the particle size of ≤0.3 mm and reducing the bulk density of blended coal.
SOLUTION: In the method of manufacturing coke for blast furnace by pulverizing a plurality of brands of coking coals by brands, and charging the blended coal blended to be the target coke strength DI
150
15 into a coke furnace, an inert tissue having a length size of ≥0.6 mm is divided into a size division i (=1 to m[natural number]) in length size, the degree of influence Ai(-/volume%) to coke surface breakage powder ratio DI
150
-6 of the inert tissue and/or the degree of influence Bi(-/volume%) to coke volume breakage powder ratio DI
150
6-15 of the inert tissue are predetermined by size divisions i, and the coking coals constituting the blended coal are effectively pulverized, then are blended so as to obtain the target coke strength in consideration of the difference between the degrees of influence Ai and Bi.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：提供一种制造焦炭的方法，该焦炭具有非常高的强度，而不增加粒径≤0.3mm的粉煤并降低混合煤的堆积密度。解决方案：在通过品牌粉碎多个品牌的焦煤的高炉焦炭的制造方法中，将混合煤混合成为目标焦炭强度DI 150 15 进入焦炉，长度尺寸≥0.6mm的惰性组织被分成长度尺寸的尺寸i（= 1至m [自然数]），影响程度Ai（ - / 体积％）与惰性组织的焦炭表面破碎粉末比例和/或影响程度Bi（ - /体积％）对焦炭体积破碎粉末的比例（SP）= 150 -6 惰性组织的比例DI 150 6-15 由尺寸分隔i预定，构成混合煤的焦煤被有效地粉碎，然后混合，得到目标焦炭强度考虑到影响度Ai和Bi之间的差异。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JPH08302356A METHOD OF LIQUEFYING COAL 失效
公开(公告)号：JPH08302356A
公开(公告)日：1996-11-19
申请号：JP11198195
申请日：1995-05-10
申请人： NIPPON STEEL CORP
发明人： AIHARA YOICHI , KAWABATA MUTSUMARO , IKEDA KOICHI
IPC分类号： C10G1/06 , C10G1/08
摘要： PURPOSE: To provide a method of liquefying coal whereby the amount of heteroatom compounds produced can be reduced by determining the relationship between the N and S contents of a middle oil and those of a solvent and using an aromatic compound having a specified ring structure as the solvent which reduces the N and S contents of the middle oil to at least the target values. CONSTITUTION: A liquefied coal heavy oil having a boiling point of 350-538 deg.C is hydrogenated to prepare a bi- to tetra-cyclic aromatic compound having specified N and S contents determined from the relationship between the N and S contents of a middle oil and a solvent under the same operating conditions, and this compound is used as the solvent. A coal powder prepared so as to have a grain size of about 100 mesh or below and a water content of about 1.5wt.% is mixed with a synthetic iron sulfide catalyst and the prepared solvent to prepare a slurry. A reducing gas such as H2 is blown into the slurry, and the mixture is subjected to a liquefaction reaction under applied pressure and heat. The formed liquefied coal oil is distilled to obtain a light oil having a boiling range from ordinary temperature to 220 deg.C, a heavy oil of a boiling range from 350 to 538 deg.C, distillation residues, and a middle oil having N and S contents of at least the target values (N: 1.0% or below, and S: about 0.05% or below).

8. 发明专利

JP2011026514A Method for producing coke for blast furnace 有权
标题翻译：用于生产烤炉的焦炭的方法
公开(公告)号：JP2011026514A
公开(公告)日：2011-02-10
申请号：JP2009175648
申请日：2009-07-28
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NOMURA SEIJI , KUBOTA MASAHIRO , AIHARA YOICHI , IKEDA KOICHI
IPC分类号： C10B57/04 , C10B57/06 , C10B57/08
摘要： PROBLEM TO BE SOLVED: To provide a method for producing coke for a blast furnace, the method achieving both of increase in the particle diameter of coke and increase in the coke strength.
SOLUTION: The method for producing coke for a blast furnace comprises pulverizing a plurality of brands of raw material coals for each brand and blending the pulverized coals to obtain target coke strength DI
150
15 , and charging a coke oven with the blended coal to produce coke for a blast furnace. The method includes the following steps. (A)(A1) A low contraction coal material j (where j represents 1 to n and n is a natural number of 2 or more) included in the blended coal is classified by a length size into a size division i (where i represents 1 to m and m is a natural number of 2 or more); and a weight percentage Ib
ij of each size division i with respect to the whole low contraction coal material j is measured. (A2) An influence degree Ai(-/wt.%) of the size division i on the low contraction coal material j on a coke surface breakage powder ratio D
150
-6 and an influence degree Ci (mm/wt.%) on a coke grain size MS are predetermined.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：为了提供一种用于生产高炉焦炭的方法，该方法既实现了焦炭粒径的增加，又提高了焦炭强度。，并用混合煤装入焦炉，生产高炉焦炭。该方法包括以下步骤。（A）（A1）混合煤中包含的低收缩煤料j（其中j表示1〜n，n为2以上的自然数）分类为尺寸分割i（其中i表示 1〜m，m为2以上的自然数）。并且测量每个尺寸部分i相对于整个低收缩煤料j的重量百分比Ib ij 。（A2）尺寸i i对焦炭表面破碎粉末比D的低收缩煤料j的影响程度Ai（ - /重量％）D 150 -6

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