CN115572828A - 转炉污泥的处理方法 - Google Patents
转炉污泥的处理方法 Download PDFInfo
- Publication number
- CN115572828A CN115572828A CN202211375098.XA CN202211375098A CN115572828A CN 115572828 A CN115572828 A CN 115572828A CN 202211375098 A CN202211375098 A CN 202211375098A CN 115572828 A CN115572828 A CN 115572828A
- Authority
- CN
- China
- Prior art keywords
- converter sludge
- drying
- sludge
- mixture
- roasting
- 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.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000008188 pellet Substances 0.000 claims abstract description 64
- 239000000203 mixture Substances 0.000 claims abstract description 62
- 238000001035 drying Methods 0.000 claims abstract description 57
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002994 raw material Substances 0.000 claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 11
- 125000004430 oxygen atom Chemical group O* 0.000 claims abstract description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical group [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003546 flue gas Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 8
- 238000005453 pelletization Methods 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 45
- 230000009467 reduction Effects 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000002956 ash Substances 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000001465 metallisation Methods 0.000 claims description 8
- 238000004939 coking Methods 0.000 claims description 7
- 239000010881 fly ash Substances 0.000 claims description 6
- 239000002817 coal dust Substances 0.000 claims description 4
- 239000003575 carbonaceous material Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 15
- 238000004064 recycling Methods 0.000 abstract description 7
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000006722 reduction reaction Methods 0.000 description 25
- 230000008569 process Effects 0.000 description 10
- 230000006872 improvement Effects 0.000 description 7
- 239000002893 slag Substances 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 238000005054 agglomeration Methods 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000009628 steelmaking Methods 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 238000007596 consolidation process Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- 150000001721 carbon Chemical group 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001341 Crude steel Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/008—Composition or distribution of the charge
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
- C22B1/22—Sintering; Agglomerating in other sintering apparatus
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/30—Obtaining zinc or zinc oxide from metallic residues or scraps
-
- 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
- C21C2200/00—Recycling of waste material
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211375098.XA CN115572828A (zh) | 2022-11-04 | 2022-11-04 | 转炉污泥的处理方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211375098.XA CN115572828A (zh) | 2022-11-04 | 2022-11-04 | 转炉污泥的处理方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115572828A true CN115572828A (zh) | 2023-01-06 |
Family
ID=84588396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211375098.XA Pending CN115572828A (zh) | 2022-11-04 | 2022-11-04 | 转炉污泥的处理方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115572828A (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1053820A (ja) * | 1996-08-12 | 1998-02-24 | Asahi Giken Hanbai Kk | 鋼ダスト、スラッジ及び/又は鉱石の金属化合物類の処理方法 |
CN102337396A (zh) * | 2011-10-28 | 2012-02-01 | 武汉钢铁(集团)公司 | 利用冶金尘泥制备的炼铁用金属化球团及其生产方法 |
CN106755981A (zh) * | 2016-11-25 | 2017-05-31 | 江苏省沙钢钢铁研究院有限公司 | 一种利用铁矿尾矿生产金属化球团的方法 |
CN112111656A (zh) * | 2020-08-12 | 2020-12-22 | 北京科技大学 | 高炉-回转窑协同处理含锌、铁粉尘的方法 |
CN114774684A (zh) * | 2022-04-21 | 2022-07-22 | 宝武集团环境资源科技有限公司 | 利用转底炉协同处置垃圾焚烧飞灰的方法及系统 |
-
2022
- 2022-11-04 CN CN202211375098.XA patent/CN115572828A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1053820A (ja) * | 1996-08-12 | 1998-02-24 | Asahi Giken Hanbai Kk | 鋼ダスト、スラッジ及び/又は鉱石の金属化合物類の処理方法 |
CN102337396A (zh) * | 2011-10-28 | 2012-02-01 | 武汉钢铁(集团)公司 | 利用冶金尘泥制备的炼铁用金属化球团及其生产方法 |
CN106755981A (zh) * | 2016-11-25 | 2017-05-31 | 江苏省沙钢钢铁研究院有限公司 | 一种利用铁矿尾矿生产金属化球团的方法 |
CN112111656A (zh) * | 2020-08-12 | 2020-12-22 | 北京科技大学 | 高炉-回转窑协同处理含锌、铁粉尘的方法 |
CN114774684A (zh) * | 2022-04-21 | 2022-07-22 | 宝武集团环境资源科技有限公司 | 利用转底炉协同处置垃圾焚烧飞灰的方法及系统 |
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Country or region after: China Address after: 215624 Shagang science and technology building, Yongxin Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant after: INSTITUTE OF RESEARCH OF IRON & STEEL, JIANGSU PROVINCE/SHA-STEEL, Co.,Ltd. Applicant after: JIANGSU SHAGANG GROUP Co.,Ltd. Applicant after: Jiangsu Shagang Steel Co.,Ltd. Address before: 215624 Shagang science and technology building, Yongxin Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant before: INSTITUTE OF RESEARCH OF IRON & STEEL, JIANGSU PROVINCE/SHA-STEEL, Co.,Ltd. Country or region before: China Applicant before: JIANGSU SHAGANG GROUP Co.,Ltd. Applicant before: ZHANGJIAGANG HONGCHANG STEEL PLATE Co.,Ltd. |