JP2008133537A5 - - Google Patents

Download PDF

Info

Publication number
JP2008133537A5
JP2008133537A5 JP2007278332A JP2007278332A JP2008133537A5 JP 2008133537 A5 JP2008133537 A5 JP 2008133537A5 JP 2007278332 A JP2007278332 A JP 2007278332A JP 2007278332 A JP2007278332 A JP 2007278332A JP 2008133537 A5 JP2008133537 A5 JP 2008133537A5
Authority
JP
Japan
Prior art keywords
coke
furnace
sieving
sieve
charging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2007278332A
Other languages
Japanese (ja)
Other versions
JP5211637B2 (en
JP2008133537A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2007278332A priority Critical patent/JP5211637B2/en
Priority claimed from JP2007278332A external-priority patent/JP5211637B2/en
Publication of JP2008133537A publication Critical patent/JP2008133537A/en
Publication of JP2008133537A5 publication Critical patent/JP2008133537A5/ja
Application granted granted Critical
Publication of JP5211637B2 publication Critical patent/JP5211637B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Description

このような課題を解決するための本発明の特徴は以下の通りである。
(1)回転ドラム内でコークスを回転処理することにより、摩擦力及び落下衝撃を加えることで、前記コークス表面の脆弱部分の破壊と、前記コークス内部に存在する亀裂原因による前記コークスの破壊とを促進させて、前記コークスを塊状部と粉状部とに分離し、該分離した塊状部を竪型炉に装入して使用することを特徴とする竪型炉の操業方法。
(2)乾燥処理を施したコークスを、塊状部と粉状部とに分離することを特徴とする(1)に記載の竪型炉の操業方法。
(3)篩い分けにより、粒径6mm以上の篩い上を塊状部とすることを特徴とする(1)または(2)に記載の竪型炉の操業方法。
(4)コークスを竪型炉に装入する際に用いられ、コークスを回転処理する回転ドラムと、該回転ドラムから排出されたコークスを篩い分けする篩い分け装置と、該篩い分け装置により篩い分けされた篩い上を竪型炉の上部から装入する装入装置とを備えることを特徴とする炉内粉化防止設備。
(5)回転ドラムの内部に、コークスを持ち上げ、落下させるための攪拌翼を有することを特徴とする(4)に記載の炉内粉化防止設備。
(6)回転ドラム内でコークスの乾燥を行なうことを特徴とする(4)または(5)に記載の炉内粉化防止設備。
また上記課題は、以下の方法でも解決できる。
(1)コークスの表面に摩擦力を付与することで、前記コークスを塊状部と粉状部とに分離し、該分離した塊状部を竪型炉に装入して使用することを特徴とする竪型炉の操業方法。
(2)さらに、コークスに落下衝撃を付与することで、前記コークスを塊状部と粉状部とに分離することを特徴とする(1)に記載の竪型炉の操業方法。
(3)回転ドラム内でコークスを回転処理することにより前記コークスを塊状部と粉状部とに分離し、該分離した塊状部を竪型炉に装入して使用することを特徴とする竪型炉の操業方法。
(4)篩い分けにより、粒径6mm以上の篩い上を塊状部とすることを特徴とする(1)ないし(3)のいずれかに記載の竪型炉の操業方法。
(5)乾燥処理を施したコークスを、塊状部と粉状部とに分離することを特徴とする(1)ないし(4)のいずれかに記載の竪型炉の操業方法。
(6)回転ドラム内でコークスの乾燥を行なうことを特徴とする(3)に記載の竪型炉の操業方法。
(7)コークスを竪型炉に装入する際に用いられ、回転ドラムと、該回転ドラムから排出されたコークスを篩い分けする篩い分け装置と、該篩い分け装置により篩い分けされた篩い上を竪型炉の上部から装入する装入装置とを備えることを特徴とする炉内粉化防止設備。
(8)コークスの表面に摩擦力を付与することで、前記コークスを塊状部と粉状部とに分離し、該分離した塊状部を竪型炉に装入して使用することを特徴とする竪型炉装入用コークスの炉内粉化防止方法。
(9)さらに、コークスに落下衝撃を付与することで、前記コークスを塊状部と粉状部とに分離することを特徴とする(8)に記載の竪型炉装入用コークスの炉内粉化防止方法。
(10)篩い分けにより、粒径6mm以上の篩い上を塊状部とすることを特徴とする(8)または(9)に記載の竪型炉装入用コークスの炉内粉化防止方法。
(11)乾燥処理を施したコークスを、塊状部と粉状部とに分離することを特徴とする(8)ないし(10)のいずれかに記載の竪型炉装入用コークスの炉内粉化防止方法。
(12)回転ドラム内でコークスに摩擦力と落下衝撃とを付与することを特徴とする(9)ないし(11)のいずれかに記載の竪型炉装入用コークスの炉内粉化防止方法。
(13)回転ドラム内でコークスの乾燥を行なうことを特徴とする(12)に記載の竪型炉装入用コークスの炉内粉化防止方法。
The features of the present invention for solving such problems are as follows.
(1) Rotating the coke in a rotating drum to apply a frictional force and a drop impact, thereby destroying the fragile portion of the coke surface and destroying the coke due to a crack present inside the coke. A method for operating a vertical furnace characterized in that the coke is separated into a lump part and a powdery part, and the separated lump part is charged into a vertical furnace for use.
(2) The method for operating a vertical furnace according to (1), wherein the coke that has been subjected to a drying treatment is separated into a lump part and a powdery part.
(3) The method for operating a vertical furnace as described in (1) or (2), wherein the sieve is made into a lump by screening.
(4) Used when charging coke into the vertical furnace, rotating the coke, rotating the coke, sieving device for sieving the coke discharged from the rotating drum, and sieving by the sieving device An in-furnace powdering prevention facility comprising a charging device for charging the top of the sieve from the top of the vertical furnace.
(5) The in-furnace powdering prevention apparatus according to (4), further comprising a stirring blade for lifting and dropping coke inside the rotating drum.
(6) The in-furnace powdering prevention facility according to (4) or (5), wherein the coke is dried in a rotating drum.
The above problem can also be solved by the following method.
(1) The coke is separated into a lump part and a powdery part by applying a frictional force to the surface of the coke, and the separated lump part is charged into a vertical furnace and used. How to operate a vertical furnace.
(2) The method for operating a vertical furnace according to (1), wherein the coke is further separated into a lump part and a powdery part by applying a drop impact to the coke.
(3) Rotating coke in a rotating drum to separate the coke into a lump part and a powdery part, and charging the separated lump part into a vertical furnace for use. How to operate the mold furnace.
(4) The method for operating a vertical furnace according to any one of (1) to (3), wherein the sieve has a particle diameter of 6 mm or more is formed into a lump by sieving.
(5) The method for operating a vertical furnace according to any one of (1) to (4), wherein the coke subjected to the drying treatment is separated into a lump part and a powdery part.
(6) The method for operating a vertical furnace according to (3), wherein the coke is dried in a rotating drum.
(7) Used when charging coke into a vertical furnace, and a rotating drum, a sieving device for sieving the coke discharged from the rotating drum, and a sieve top screened by the sieving device. An in-furnace powdering prevention facility comprising a charging device for charging from an upper portion of a vertical furnace.
(8) The coke is separated into a lump part and a powdery part by applying a frictional force to the surface of the coke, and the separated lump part is charged into a vertical furnace and used. Method for preventing in-furnace powdering of coke for vertical furnace charging.
(9) Further, the coke powder in the vertical furnace charging coke according to (8), wherein the coke is separated into a lump part and a powdery part by applying a drop impact to the coke. Prevention method.
(10) The method for preventing in-furnace pulverization of the coke for vertical furnace charging according to (8) or (9), wherein the sieve has a particle diameter of 6 mm or more to be a lump by sieving.
(11) In-furnace coke for vertical furnace charging coke according to any one of (8) to (10), wherein the coke that has been subjected to the drying treatment is separated into a lump part and a powdery part Prevention method.
(12) A method for preventing in-furnace pulverization of vertical furnace charging coke according to any one of (9) to (11), wherein frictional force and drop impact are applied to the coke in the rotating drum. .
(13) The method for preventing pulverization of coke in a vertical furnace charging as described in (12), wherein the coke is dried in a rotating drum.

Claims (6)

回転ドラム内でコークスを回転処理することにより、摩力及び落下衝撃を加えることで、前記コークス表面の脆弱部分の破壊と、前記コークス内部に存在する亀裂原因による前記コークスの破壊とを促進させて、前記コークスを塊状部と粉状部とに分離し、該分離した塊状部を竪型炉に装入して使用することを特徴とする竪型炉の操業方法。 By rotating handle co over click scan in a rotary drum, by adding a friction force and drop impact, and the destruction of fragile portion of the coke surface, and destruction of the coke by cracking caused present inside the coke was allowed to promote separation of the pre-Symbol coke and massive portion and the powder portion, shaft furnace method operation, characterized in that use was charged bulk portion said separated shaft furnace. 乾燥処理を施したコークスを、塊状部と粉状部とに分離することを特徴とする請求項1に記載の竪型炉の操業方法。 The drying process was subjected to coke, shaft furnace method operations according to claim 1, characterized in that the separation in the bulk portion and the powder portion. 篩い分けにより、粒径6mm以上の篩い上を塊状部とすることを特徴とする請求項1または請求項2に記載の竪型炉の操業方法。 The method for operating a vertical furnace according to claim 1 or 2, wherein the sieve has a particle size of 6 mm or more to form a lump by sieving. コークスを竪型炉に装入する際に用いられ、コークスを回転処理する回転ドラムと、該回転ドラムから排出されたコークスを篩い分けする篩い分け装置と、該篩い分け装置により篩い分けされた篩い上を竪型炉の上部から装入する装入装置とを備えることを特徴とする炉内粉化防止設備。 It used when charged coke shaft furnace, a rotary drum rotating handle coke, and sieving device for sieving coke discharged from the rotary drum, was sieved through the sieve have divided device An in-furnace powdering prevention facility comprising a charging device for charging a sieve top from an upper portion of a vertical furnace. 回転ドラムの内部に、コークスを持ち上げ、落下させるための攪拌翼を有することを特徴とする請求項4に記載の炉内粉化防止設備。The in-furnace powdering prevention apparatus according to claim 4, further comprising a stirring blade for lifting and dropping the coke inside the rotating drum. 回転ドラム内でコークスの乾燥を行なうことを特徴とする請求項4または請求項5に記載の炉内粉化防止設備。The in-furnace powdering prevention apparatus according to claim 4 or 5, wherein coke is dried in a rotating drum.
JP2007278332A 2006-10-27 2007-10-26 How to operate a vertical furnace Active JP5211637B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007278332A JP5211637B2 (en) 2006-10-27 2007-10-26 How to operate a vertical furnace

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006292183 2006-10-27
JP2006292183 2006-10-27
JP2007278332A JP5211637B2 (en) 2006-10-27 2007-10-26 How to operate a vertical furnace

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2012213450A Division JP5488662B2 (en) 2006-10-27 2012-09-27 In-furnace powdering prevention equipment

Publications (3)

Publication Number Publication Date
JP2008133537A JP2008133537A (en) 2008-06-12
JP2008133537A5 true JP2008133537A5 (en) 2010-12-02
JP5211637B2 JP5211637B2 (en) 2013-06-12

Family

ID=39558576

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007278332A Active JP5211637B2 (en) 2006-10-27 2007-10-26 How to operate a vertical furnace

Country Status (1)

Country Link
JP (1) JP5211637B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4992407B2 (en) * 2006-12-18 2012-08-08 Jfeスチール株式会社 Hot metal production method using vertical scrap melting furnace
JP4893290B2 (en) * 2006-12-18 2012-03-07 Jfeスチール株式会社 Hot metal production method using vertical scrap melting furnace
JP4893291B2 (en) * 2006-12-18 2012-03-07 Jfeスチール株式会社 Hot metal production method using vertical scrap melting furnace
JP2009102487A (en) * 2007-10-22 2009-05-14 Kansai Coke & Chem Co Ltd Cokemaking method and cokemaking apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5896678A (en) * 1981-12-02 1983-06-08 Kawasaki Steel Corp Method for controlling grain size and strength of coke
JPS6213922A (en) * 1985-07-10 1987-01-22 Kawasaki Steel Corp Pretreatment of coke for metallurgy
JPS6268887A (en) * 1985-09-19 1987-03-28 Kobe Steel Ltd Method of improving yield of massive coke to be fed to blast furnace
JPH0961059A (en) * 1995-08-29 1997-03-07 Kawasaki Steel Corp Device for drying iron manufacturing raw material
JPH11189832A (en) * 1997-12-25 1999-07-13 Kawasaki Steel Corp Treatment of zinc-containing powdery material
JP2005194462A (en) * 2004-01-09 2005-07-21 Nippon Steel Corp Method for estimating surface-breaking strength of coke
JP4946119B2 (en) * 2006-03-24 2012-06-06 Jfeスチール株式会社 Drying and preheating equipment for hopper and blast furnace raw materials

Similar Documents

Publication Publication Date Title
JP2008133537A5 (en)
JP2013521226A5 (en)
US9970085B2 (en) Method for producing pellets and method for producing iron-nickel alloy
EP2972032A1 (en) Coal and mineral slurry drying method and system
WO2017183666A1 (en) Method for smelting oxide ore
MX2021004307A (en) Process for making a ceramic particulate mixture.
JP2007016495A (en) Method of manufacturing recycled asphalt mixture
AU2015297792A1 (en) Method for smelting nickel oxide ore
Sivrikaya et al. An investigation of the relationship between compressive strength and dust generation potential of magnetite pellets
Dańko et al. Reclamation of spent moulding sands with inorganic binders in the vibratory reclaimer REGMAS
CA2969833A1 (en) Process for obtaining briquettes from pellet fines, dri sludge, dri fines and dust of dri dedusting systems for industrial use in processes of direct reduction iron production
AU2018274856A1 (en) Method for smelting nickel oxide ore
CA2981611C (en) Process for upgrading asbestos tailings
JP5283574B2 (en) Dismantling concrete fine grain processing method and processing equipment
CN203750501U (en) Automatic sphere picking and crushing equipment of pelletizing disc
US20170198372A1 (en) Method for smelting nickel oxide ore and method for charging pellets
JP2008291353A5 (en)
CZ2014462A3 (en) Regeneration method of return casting mixture and apparatus for making the same
RU117320U1 (en) PLANT FOR PROCESSING DUMPING METALLURGICAL SLAGS
KR20140041237A (en) Processing apparatus of slag
JP2009299089A5 (en)
JP5342098B2 (en) Reduction method of iron oxide by rotary hearth furnace
CN103877911B (en) A kind of balling disk (-sc) automatically picking up balls, broken ball equipment
JP5664126B2 (en) Evaluation test method for granulated product of hydrous powder
JPS5938816B2 (en) Rotary drying setsubun machine