JP4932973B2 - 高炉における銑鉄解体方法 - Google Patents
高炉における銑鉄解体方法 Download PDFInfo
- Publication number
- JP4932973B2 JP4932973B2 JP2011539192A JP2011539192A JP4932973B2 JP 4932973 B2 JP4932973 B2 JP 4932973B2 JP 2011539192 A JP2011539192 A JP 2011539192A JP 2011539192 A JP2011539192 A JP 2011539192A JP 4932973 B2 JP4932973 B2 JP 4932973B2
- Authority
- JP
- Japan
- Prior art keywords
- blasting
- pig iron
- hole
- blast furnace
- blast
- 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.)
- Active
Links
- 229910000805 Pig iron Inorganic materials 0.000 title claims description 31
- 238000000034 method Methods 0.000 title claims description 18
- 238000005422 blasting Methods 0.000 claims description 89
- 230000001681 protective effect Effects 0.000 claims description 23
- 239000002360 explosive Substances 0.000 claims description 14
- 238000005553 drilling Methods 0.000 description 25
- 230000002093 peripheral effect Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000037237 body shape Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/04—Blast furnaces with special refractories
- C21B7/06—Linings for furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
Description
5 銑鉄
7 発破孔
9 防護部材
11 隠蔽部
G 火薬
Claims (2)
- 高炉内に残留する銑鉄を発破により解体するようにした高炉における銑鉄解体方法において、
上記銑鉄に、1回の発破作業に使用する発破孔よりも多数の発破孔を縦向きに削孔し、
該発破孔に、当該発破孔を損壊から防護するための防護部材を設け、
各回の発破作業前に、上記防護部材を設けた上記発破孔のうち、火薬を装填する該発破孔から該防護部材を撤去し、
その後、上記発破孔に装填した火薬で発破するようにしたことを特徴とする高炉における銑鉄解体方法。 - 前記防護部材は、前記発破孔を隠蔽する隠蔽部を有することを特徴とする請求項1に記載の高炉における銑鉄解体方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011539192A JP4932973B2 (ja) | 2010-01-26 | 2011-01-20 | 高炉における銑鉄解体方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010013871 | 2010-01-26 | ||
JP2010013871 | 2010-01-26 | ||
PCT/JP2011/050932 WO2011093199A1 (ja) | 2010-01-26 | 2011-01-20 | 高炉における銑鉄解体方法 |
JP2011539192A JP4932973B2 (ja) | 2010-01-26 | 2011-01-20 | 高炉における銑鉄解体方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP4932973B2 true JP4932973B2 (ja) | 2012-05-16 |
JPWO2011093199A1 JPWO2011093199A1 (ja) | 2013-06-06 |
Family
ID=44319188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011539192A Active JP4932973B2 (ja) | 2010-01-26 | 2011-01-20 | 高炉における銑鉄解体方法 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4932973B2 (ja) |
KR (1) | KR101202890B1 (ja) |
BR (1) | BR112012018549B1 (ja) |
WO (1) | WO2011093199A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03291311A (ja) * | 1990-04-09 | 1991-12-20 | Nippon Steel Corp | 高炉の残銑および耐火レンガの撤去方法 |
JP2000256717A (ja) * | 1999-03-11 | 2000-09-19 | Nippon Steel Corp | 高炉の残銑の撤去方法 |
-
2011
- 2011-01-20 WO PCT/JP2011/050932 patent/WO2011093199A1/ja active Application Filing
- 2011-01-20 JP JP2011539192A patent/JP4932973B2/ja active Active
- 2011-01-20 BR BR112012018549-7A patent/BR112012018549B1/pt active IP Right Grant
- 2011-01-20 KR KR1020127019667A patent/KR101202890B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03291311A (ja) * | 1990-04-09 | 1991-12-20 | Nippon Steel Corp | 高炉の残銑および耐火レンガの撤去方法 |
JP2000256717A (ja) * | 1999-03-11 | 2000-09-19 | Nippon Steel Corp | 高炉の残銑の撤去方法 |
Also Published As
Publication number | Publication date |
---|---|
BR112012018549A2 (pt) | 2016-05-03 |
KR101202890B1 (ko) | 2012-11-19 |
BR112012018549B1 (pt) | 2022-06-07 |
KR20120109581A (ko) | 2012-10-08 |
JPWO2011093199A1 (ja) | 2013-06-06 |
WO2011093199A1 (ja) | 2011-08-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6145306B2 (ja) | 杭頭処理方法 | |
US6412415B1 (en) | Shock and vibration protection for tools containing explosive components | |
EP3710671B1 (en) | An expandable eutectic alloy based downhole tool and methods of deploying such | |
US6499406B2 (en) | Blasting apparatus for forming horizontal underground cavities and blasting method using the same | |
DE112017008263T5 (de) | Hohlladung mit begrenzter Penetration | |
JP4932973B2 (ja) | 高炉における銑鉄解体方法 | |
JPH1096005A (ja) | 高炉炉底部の解体方法 | |
JP2020045611A (ja) | 杭頭処理工法 | |
KR100885925B1 (ko) | 대단면 원통형 구조물인 사일로의 발파해체 방법 | |
JP6194223B2 (ja) | 杭頭処理治具および杭頭処理方法 | |
JP3977543B2 (ja) | 高炉の残銑の撤去方法 | |
CN112900422B (zh) | 人工挖孔桩安全施工方法 | |
JP7018800B2 (ja) | 鋼製土留材設置用器具及びライナープレートの設置方法 | |
JP4932972B2 (ja) | 高炉の銑鉄解体方法 | |
JP4092647B2 (ja) | トンネル支保構造 | |
JP2018076650A (ja) | 杭頭処理工法 | |
JP2602407B2 (ja) | 高炉炉底内容物の炉外搬出方法 | |
JP2020165146A (ja) | 杭頭処理工法 | |
JP2909395B2 (ja) | 金属溶解炉におけるライニング残層の除去方法と除去装置 | |
JP5937359B2 (ja) | 高炉解体方法 | |
JP2019120095A (ja) | 杭頭処理工法 | |
JPH03291311A (ja) | 高炉の残銑および耐火レンガの撤去方法 | |
JP2023547672A (ja) | 穿孔機用ビット | |
KR20130011302A (ko) | 폭약 설치용 기구 및 이를 이용한 폭약 설치방법 | |
JP2018115438A (ja) | 杭頭処理工法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120124 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120215 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4932973 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150224 Year of fee payment: 3 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150224 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |