KR20020050084A - 강도가 우수한 성형탄 및 그 제조방법 - Google Patents
강도가 우수한 성형탄 및 그 제조방법 Download PDFInfo
- Publication number
- KR20020050084A KR20020050084A KR1020010052328A KR20010052328A KR20020050084A KR 20020050084 A KR20020050084 A KR 20020050084A KR 1020010052328 A KR1020010052328 A KR 1020010052328A KR 20010052328 A KR20010052328 A KR 20010052328A KR 20020050084 A KR20020050084 A KR 20020050084A
- Authority
- KR
- South Korea
- Prior art keywords
- coal
- weight
- parts
- quicklime
- pulverized coal
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L5/00—Solid fuels
- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
- C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
- C10L5/14—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with organic binders
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L5/00—Solid fuels
- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/04—Raw material of mineral origin to be used; Pretreatment thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L2250/00—Structural features of fuel components or fuel compositions, either in solid, liquid or gaseous state
- C10L2250/06—Particle, bubble or droplet size
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L2270/00—Specifically adapted fuels
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/24—Mixing, stirring of fuel components
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
Description
| 실험예 | 3.4mm 이하 의 미분탄(중량부) | 첨가제 | 당 밀첨가량(중량부) | |
| 종 류 | 사용량(중량부) | |||
| 발명예1 | 100 | 생석회 | 3 | 10 |
| 발명예2 | 100 | 생석회 | 2 | 8 |
| 비교예1 | 100 | - | - | 10 |
| 비교예2 | 100 | 탄산칼슘 | 3 | 10 |
| 비교예3 | 100 | 소석회 | 3 | 10 |
| 비교예4 | 100 | 생석회 | 1 | 6 |
| 실험예 | 낙하강도(%) | 분 발생율(%) |
| 발명예1 | 89.7 | 8.8 |
| 발명예2 | 80.5 | 15.5 |
| 비교예1 | 20.0 | 71.6 |
| 비교예2 | 15.1 | 75.5 |
| 비교예3 | 69.6 | 23.3 |
| 비교예4 | 31.9 | 58.8 |
| 구분 | 미분탄 | 첨가제 | 당밀 | 첨가제-미분탄 숙성시간(분) | 당밀-첨가제-미분탄 혼합물의 교반시간(분) | |||
| 사용량(중량부) | 수분함량(중량%) | 종류 | 첨가량(중량부) | 3mm이하의 함량(중량부) | 첨가량(중량부) | |||
| 발명예1 | 100 | 9.7 | 생석회 | 3 | 84 | 8 | 10 | 5 |
| 발명예2 | 100 | 9.6 | 생석회 | 3 | 78 | 8 | 30 | 5 |
| 발명예3 | 100 | 9.7 | 생석회 | 3 | 78 | 8 | 60 | 10 |
| 발명예4 | 100 | 9.1 | 생석회 | 3 | 81 | 8 | 5 | 7 |
| 발명예5 | 100 | 9.4 | 생석회 | 3 | 60 | 8 | 5 | 12 |
| 발명예6 | 100 | 8.5 | 생석회 | 3 | 95 | 8 | 5 | 20 |
| 발명예7 | 100 | 14.5 | 생석회 | 3 | 95 | 10 | 10 | 10 |
| 비교예1 | 100 | 8.9 | 생석회 | 3 | 78 | 8 | 0 | 5 |
| 비교예2 | 100 | 8.1 | 생석회 | 3 | 78 | 8 | 1 | 60 |
| 비교예3 | 100 | 8.7 | 생석회 | 3 | 15 | 8 | 10 | 5 |
| 비교예4 | 100 | 4.9 | 생석회 | 3 | 78 | 8 | 10 | 5 |
| 비교예5 | 100 | 8.5 | - | - | - | 10 | 0 | 10 |
| 비교예6 | 100 | 9.4 | 소석회 | 3 | 100 | 8 | 10 | 5 |
| 비교예7 | 100 | 8.2 | 탄산칼슘 | 3 | 92 | 10 | 1 | 10 |
| 비교예8 | 100 | 7.1 | 생석회 | 1 | 95 | 6 | 1 | 10 |
| 구분 | 제조직후 | 24시간 경과후 | ||
| 낙하강도(%) | 분발생율(%) | 낙하강도(%) | 분발생율(%) | |
| 발명예1 | 97.2 | 2.6 | 84.6 | 11.6 |
| 발명예2 | 95.1 | 4.1 | 82.5 | 13.7 |
| 발명예3 | 94.4 | 4.5 | 86.3 | 10.8 |
| 발명예4 | 95.8 | 3.7 | 81.5 | 14.9 |
| 발명예5 | 95.3 | 4.1 | 77.4 | 18.9 |
| 발명예6 | 88.2 | 9.3 | 80.9 | 17.7 |
| 발명예7 | 94.5 | 4.3 | 81.2 | 13.2 |
| 비교예1 | 91.7 | 7.0 | 69.9 | 23.9 |
| 비교예2 | 69.3 | 25.0 | 56.8 | 37.5 |
| 비교예3 | 72.1 | 22.4 | 62.4 | 31.0 |
| 비교예4 | 55.2 | 38.3 | 49.3 | 42.7 |
| 비교예5 | 20.0 | 71.6 | 33.0 | 58.6 |
| 비교예6 | 73.0 | 21.6 | 57.5 | 35.8 |
| 비교예7 | 15.1 | 75.5 | 42.9 | 47.8 |
| 비교예8 | 31.9 | 58.8 | 73.6 | 21.8 |
| 구분 | 석탄(10~60mm) | 성형탄(10~60mm) | |
| 낙하강도(%) | 최적범위 | 80이상 | 80이상 |
| 허용범위 | 70이상 | 70이상 | |
| 분발생율(%) | 최적범위 | 10이하 | 5이하 |
| 허용범위 | 25이하 | 20이하 |
Claims (8)
- 미분탄과 이 미분탄 100중량부에 대해 생석회:1~5중량부, 당밀:7~15중량부로 조성되는 강도가 우수한 성형탄.
- 제 1항에 있어서, 상기 성형탄은 낙하강도가 70%이상이고, 분발생율이 20%이하로 용융환원제철공정에 적용되는 것을 특징으로 하는 강도가 우수한 성형탄.
- 미분탄 100중량부에 생석회를 1~5중량부 혼합하는 단계,상기 혼합물을 숙성하는 단계,상기 숙성된 혼합물에 미분탄 100중량부에 대해 당밀을 7~15중량부 혼합하는 단계,상기 당밀이 함유된 혼합물을 교반하는 단계,상기 교반한 혼합물을 성형탄으로 성형하는 단계를 포함하여 이루어지는 강도가 우수한 성형탄의 제조방법.
- 제 1항 또는 제 3항에 있어서, 상기 미분탄은 수분함량이 6~15%임을 특징으로 하는 강도가 우수한 성형탄의 제조방법.
- 제 1항 또는 제 3항에 있어서, 상기 생석회는 1mm이하로서 0.3mm이하의 입도가 50중량%이상임을 특징으로 하는 강도가 우수한 성형탄.
- 제 3항에 있어서, 상기 숙성은 2분~2시간 동안 행하여 생석회를 소석회로 전화하는 것을 특징으로 하는 강도가 우수한 성형탄의 제조방법.
- 제 3항에 있어서, 상기 교반은 2~50분 동안 행하여 혼합물의 경화율을 높이는 것을 특징으로 하는 강도가 우수한 성형탄의 제조방법.
- 제 3항에 있어서, 상기 성형은 가압성형후에 가열건조공정을 생략하는 것을 특징으로 하는 강도가 우수한 성형탄의 제조방법.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2001/002149 WO2002050219A1 (en) | 2000-12-19 | 2001-12-12 | Coal briquette having superior strength and briquetting method thereof |
| CNB2004100686351A CN1309844C (zh) | 2000-12-19 | 2001-12-12 | 一种用于熔炼还原炼铁的煤饼 |
| TR2002/02004T TR200202004T1 (tr) | 2000-12-19 | 2001-12-12 | Üstün mukavemetli kömür briketi ve bu briketi yapma yöntemi |
| CNB018052215A CN1173018C (zh) | 2000-12-19 | 2001-12-12 | 具有优良强度的煤饼及其制饼方法 |
| RU2002129219/04A RU2224007C1 (ru) | 2000-12-19 | 2001-12-12 | Угольный брикет, обладающий повышенной прочностью, а также способ его изготовления |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000078779 | 2000-12-19 | ||
| KR20000078779 | 2000-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020050084A true KR20020050084A (ko) | 2002-06-26 |
| KR100627469B1 KR100627469B1 (ko) | 2006-09-22 |
Family
ID=27683548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020010052328A Expired - Fee Related KR100627469B1 (ko) | 2000-12-19 | 2001-08-29 | 강도가 우수한 용융환원 제철공정용 성형탄 및 그 제조 방법 |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100627469B1 (ko) |
| ZA (1) | ZA200207469B (ko) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2396306C1 (ru) * | 2009-04-23 | 2010-08-10 | Общество с ограниченной ответственностью "Ростпроект-строй" | Способ изготовления топливного брикета (варианты) |
| KR101067390B1 (ko) * | 2009-11-23 | 2011-09-23 | 한국동서발전(주) | 석탄 및 생석회의 혼합 장치, 및 생석회를 사용한 석탄의 수분 제거 및 탈황 방법 |
| WO2015099420A1 (ko) * | 2013-12-26 | 2015-07-02 | 주식회사 포스코 | 성형탄, 그 제조 방법 및 그 제조 장치 |
| KR20170074271A (ko) | 2015-12-21 | 2017-06-30 | 주식회사 포스코 | 용융가스화로용 코크스 및 그 제조방법 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101619793B1 (ko) | 2015-08-07 | 2016-05-13 | 주식회사 후상 | 성형률 및 강도가 우수한 성형탄 성형용 바인더와 이를 이용한 성형탄 그리고 이의 제조방법 |
| KR101949704B1 (ko) | 2017-07-07 | 2019-02-19 | 주식회사 포스코 | 성형탄 제조방법 및 이를 이용하여 제조된 성형탄 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0723474B2 (ja) * | 1985-09-13 | 1995-03-15 | 住友金属工業株式会社 | 成型コークス用成型炭の製造方法 |
| GB8606332D0 (en) * | 1986-03-14 | 1986-04-23 | Coal Industry Patents Ltd | Coal briquetting process |
| AT399887B (de) * | 1993-06-21 | 1995-08-25 | Voest Alpine Ind Anlagen | Verfahren zum herstellen von kaltgepressten eisenhältigen briketts |
| JPH0971824A (ja) * | 1995-09-05 | 1997-03-18 | Nkk Corp | 非焼成塊成鉱の製造方法 |
| KR100568337B1 (ko) * | 2001-08-06 | 2006-04-05 | 주식회사 포스코 | 강도가 우수한 용융환원제철공정용 성형탄의 제조 방법 |
-
2001
- 2001-08-29 KR KR1020010052328A patent/KR100627469B1/ko not_active Expired - Fee Related
-
2002
- 2002-09-18 ZA ZA200207469A patent/ZA200207469B/xx unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2396306C1 (ru) * | 2009-04-23 | 2010-08-10 | Общество с ограниченной ответственностью "Ростпроект-строй" | Способ изготовления топливного брикета (варианты) |
| KR101067390B1 (ko) * | 2009-11-23 | 2011-09-23 | 한국동서발전(주) | 석탄 및 생석회의 혼합 장치, 및 생석회를 사용한 석탄의 수분 제거 및 탈황 방법 |
| WO2015099420A1 (ko) * | 2013-12-26 | 2015-07-02 | 주식회사 포스코 | 성형탄, 그 제조 방법 및 그 제조 장치 |
| KR20170074271A (ko) | 2015-12-21 | 2017-06-30 | 주식회사 포스코 | 용융가스화로용 코크스 및 그 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100627469B1 (ko) | 2006-09-22 |
| ZA200207469B (en) | 2003-05-08 |
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