TWI609839B - 熔鐵的脫磷劑、精煉劑及脫磷方法 - Google Patents
熔鐵的脫磷劑、精煉劑及脫磷方法 Download PDFInfo
- Publication number
- TWI609839B TWI609839B TW106100044A TW106100044A TWI609839B TW I609839 B TWI609839 B TW I609839B TW 106100044 A TW106100044 A TW 106100044A TW 106100044 A TW106100044 A TW 106100044A TW I609839 B TWI609839 B TW I609839B
- Authority
- TW
- Taiwan
- Prior art keywords
- mass
- dephosphorization
- cao
- agent
- converter
- Prior art date
Links
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 49
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000007670 refining Methods 0.000 title claims abstract description 36
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 31
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims abstract description 66
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical group O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910000805 Pig iron Inorganic materials 0.000 claims abstract description 39
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 41
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 114
- 239000000292 calcium oxide Substances 0.000 description 57
- 235000012255 calcium oxide Nutrition 0.000 description 57
- 239000002893 slag Substances 0.000 description 48
- 239000011734 sodium Substances 0.000 description 47
- 238000002844 melting Methods 0.000 description 45
- 230000008018 melting Effects 0.000 description 45
- 238000007664 blowing Methods 0.000 description 35
- 229910000831 Steel Inorganic materials 0.000 description 23
- 230000000694 effects Effects 0.000 description 23
- 239000010959 steel Substances 0.000 description 23
- 239000011574 phosphorus Substances 0.000 description 19
- 229910052698 phosphorus Inorganic materials 0.000 description 19
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- 230000001737 promoting effect Effects 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 3
- 239000010436 fluorite Substances 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- WNQQFQRHFNVNSP-UHFFFAOYSA-N [Ca].[Fe] Chemical compound [Ca].[Fe] WNQQFQRHFNVNSP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C21C1/025—Agents used for dephosphorising or desulfurising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/36—Processes yielding slags of special composition
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
- C21C7/0645—Agents used for dephosphorising or desulfurising
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016000488 | 2016-01-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201726550A TW201726550A (zh) | 2017-08-01 |
| TWI609839B true TWI609839B (zh) | 2018-01-01 |
Family
ID=59273677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW106100044A TWI609839B (zh) | 2016-01-05 | 2017-01-03 | 熔鐵的脫磷劑、精煉劑及脫磷方法 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6481774B2 (fr) |
| KR (1) | KR102105353B1 (fr) |
| CN (1) | CN107849625A (fr) |
| TW (1) | TWI609839B (fr) |
| WO (1) | WO2017119392A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI844872B (zh) * | 2021-08-10 | 2024-06-11 | 日商Ｊｆｅ鋼鐵股份有限公司 | 冷鐵源熔解率推算裝置、轉爐型精鍊爐控制裝置、冷鐵源熔解率推算方法以及熔融鐵的精鍊處理方法 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019172195A1 (fr) * | 2018-03-07 | 2019-09-12 | 日本製鉄株式会社 | Procédé de déphosphoration pour fer en fusion |
| CN113943844B (zh) | 2021-10-19 | 2022-04-15 | 北京科技大学 | 一种铁水罐脱磷-转炉单脱碳的炼钢方法 |
| CN114657326B (zh) * | 2022-03-30 | 2024-04-02 | 北京科技大学 | 一种脱磷剂及其应用 |
| CN114990276A (zh) * | 2022-07-04 | 2022-09-02 | 北京科技大学 | 一种铁水同时预脱硫预脱磷的方法 |
| CN116622939B (zh) * | 2023-06-29 | 2025-05-02 | 中天钢铁集团有限公司 | 一种降低转炉钢铁料消耗的冶炼方法 |
| KR102775761B1 (ko) | 2024-02-20 | 2025-03-04 | 조선래 | 지금 부착 방지용 이형 코팅 조성물 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593546A (zh) * | 2014-09-26 | 2015-05-06 | 洛阳金石再生资源开发有限公司 | 一种预熔型铁酸钙脱磷剂的制备方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02232313A (ja) * | 1989-03-06 | 1990-09-14 | Taiyo Giken Kogyo Kk | 溶鋼の脱りん剤 |
| JP2001348610A (ja) | 2000-06-07 | 2001-12-18 | Nippon Steel Corp | 滓化促進剤 |
| CN1600872A (zh) * | 2004-10-26 | 2005-03-30 | 上海彭浦冶金辅料有限公司 | 一种转炉脱磷剂及其制备方法 |
| CN101775465A (zh) * | 2009-12-31 | 2010-07-14 | 辽宁天和矿产有限公司 | 一种转炉炼钢脱磷剂及其制备方法 |
| JP5525939B2 (ja) | 2010-07-02 | 2014-06-18 | 大阪鋼灰株式会社 | 石灰系フラックスおよびその製造法 |
| CN102453788A (zh) * | 2010-10-21 | 2012-05-16 | 金素玉 | 转炉炼钢脱磷剂制备方法 |
| JP5360174B2 (ja) | 2011-09-15 | 2013-12-04 | 新日鐵住金株式会社 | 溶銑の脱りん方法 |
| JP5772645B2 (ja) | 2012-02-10 | 2015-09-02 | 新日鐵住金株式会社 | 溶銑の脱りん処理方法 |
| KR101702247B1 (ko) * | 2012-06-18 | 2017-02-03 | 제이에프이 스틸 가부시키가이샤 | 정련 방법 및 용강의 제조 방법 |
| CN102787212A (zh) * | 2012-06-28 | 2012-11-21 | 辽宁中汇环保科技有限公司 | 一种炼钢脱磷剂及其制备方法 |
| JP2014031562A (ja) * | 2012-08-06 | 2014-02-20 | Nippon Steel & Sumitomo Metal | 溶銑の脱りん処理方法 |
| JP5464243B2 (ja) * | 2012-08-21 | 2014-04-09 | 新日鐵住金株式会社 | 溶銑の脱りん方法 |
| CN103981335B (zh) * | 2014-05-30 | 2015-11-18 | 重庆大学 | 一种含钒铁水提钒脱磷剂 |
-
2016
- 2016-12-28 JP JP2017560372A patent/JP6481774B2/ja active Active
- 2016-12-28 KR KR1020187002603A patent/KR102105353B1/ko active Active
- 2016-12-28 CN CN201680045089.0A patent/CN107849625A/zh active Pending
- 2016-12-28 WO PCT/JP2016/089082 patent/WO2017119392A1/fr not_active Ceased
-
2017
- 2017-01-03 TW TW106100044A patent/TWI609839B/zh not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593546A (zh) * | 2014-09-26 | 2015-05-06 | 洛阳金石再生资源开发有限公司 | 一种预熔型铁酸钙脱磷剂的制备方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI844872B (zh) * | 2021-08-10 | 2024-06-11 | 日商Ｊｆｅ鋼鐵股份有限公司 | 冷鐵源熔解率推算裝置、轉爐型精鍊爐控制裝置、冷鐵源熔解率推算方法以及熔融鐵的精鍊處理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017119392A1 (fr) | 2017-07-13 |
| CN107849625A (zh) | 2018-03-27 |
| JP6481774B2 (ja) | 2019-03-13 |
| JPWO2017119392A1 (ja) | 2018-04-05 |
| KR102105353B1 (ko) | 2020-04-29 |
| TW201726550A (zh) | 2017-08-01 |
| KR20180021167A (ko) | 2018-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI609839B (zh) | 熔鐵的脫磷劑、精煉劑及脫磷方法 | |
| JP5522320B1 (ja) | 製鋼スラグ還元処理方法 | |
| JP2012012648A (ja) | 溶鋼の脱硫処理方法 | |
| JP6011728B2 (ja) | 溶銑の脱燐処理方法 | |
| JP2013227664A (ja) | 溶銑の予備処理方法 | |
| JP5553167B2 (ja) | 溶銑の脱りん方法 | |
| TWI683000B (zh) | 熔銑的脫磷方法 | |
| JP2010095786A (ja) | 溶銑の脱燐方法 | |
| JP5360174B2 (ja) | 溶銑の脱りん方法 | |
| JP2015042780A (ja) | 転炉における溶銑の脱燐処理方法 | |
| JP6992604B2 (ja) | リン酸スラグ肥料の製造方法 | |
| JP5182322B2 (ja) | 溶銑の脱燐方法 | |
| JP4977870B2 (ja) | 製鋼方法 | |
| JP2011084777A (ja) | 電気炉を用いて行う製鋼精錬方法 | |
| JP4422318B2 (ja) | 耐火物溶損の少ない溶銑脱燐方法 | |
| JP5061545B2 (ja) | 溶銑の脱燐処理方法 | |
| JP2017043808A (ja) | 石灰系脱燐剤 | |
| JP2011058046A (ja) | 溶銑の脱燐処理方法 | |
| JP6460265B2 (ja) | 転炉吹錬方法 | |
| JP6627601B2 (ja) | 溶銑の脱りん剤および脱りん方法 | |
| JP5803837B2 (ja) | 溶銑の脱珪脱りん処理方法 | |
| JP7095668B2 (ja) | 溶銑の予備処理方法 | |
| JP2002275521A (ja) | 高炭素溶鋼の脱燐精錬方法 | |
| JP6398583B2 (ja) | 溶銑の脱りん処理用精錬剤および溶銑の脱りん処理方法 | |
| CN113574187A (zh) | 磷酸肥料原料的制造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |