CN106636498B - 一种资源化利用粉煤灰的方法 - Google Patents
一种资源化利用粉煤灰的方法 Download PDFInfo
- Publication number
- CN106636498B CN106636498B CN201611018362.9A CN201611018362A CN106636498B CN 106636498 B CN106636498 B CN 106636498B CN 201611018362 A CN201611018362 A CN 201611018362A CN 106636498 B CN106636498 B CN 106636498B
- Authority
- CN
- China
- Prior art keywords
- slag
- magnetic separation
- iron
- revolving cup
- separation
- 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.)
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Links
- 239000010881 fly ash Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000002893 slag Substances 0.000 claims abstract description 101
- 238000007885 magnetic separation Methods 0.000 claims abstract description 63
- 229910052742 iron Inorganic materials 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 239000002245 particle Substances 0.000 claims abstract description 30
- 238000005469 granulation Methods 0.000 claims abstract description 27
- 230000003179 granulation Effects 0.000 claims abstract description 27
- 239000004568 cement Substances 0.000 claims abstract description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 40
- 238000001816 cooling Methods 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 9
- 230000004048 modification Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 8
- 239000003245 coal Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000008188 pellet Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000013517 stratification Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000009977 dual effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 235000013980 iron oxide Nutrition 0.000 abstract description 8
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011324 bead Substances 0.000 abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 3
- 239000011707 mineral Substances 0.000 abstract description 3
- 238000004017 vitrification Methods 0.000 abstract description 3
- 238000010791 quenching Methods 0.000 abstract description 2
- 230000000171 quenching effect Effects 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000003607 modifier Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018362.9A CN106636498B (zh) | 2016-11-18 | 2016-11-18 | 一种资源化利用粉煤灰的方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018362.9A CN106636498B (zh) | 2016-11-18 | 2016-11-18 | 一种资源化利用粉煤灰的方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106636498A CN106636498A (zh) | 2017-05-10 |
| CN106636498B true CN106636498B (zh) | 2018-11-30 |
Family
ID=58809009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611018362.9A Active CN106636498B (zh) | 2016-11-18 | 2016-11-18 | 一种资源化利用粉煤灰的方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106636498B (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111960804A (zh) * | 2020-08-24 | 2020-11-20 | 北京光明橡塑制品厂 | 利用熔融钢渣制造高强度烧结建筑材料的方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914639A (zh) * | 2010-09-08 | 2010-12-15 | 北京科技大学 | 一种含铁工业熔渣在线回收铁及制备微晶玻璃熔块的方法 |
| CN103757152A (zh) * | 2014-01-03 | 2014-04-30 | 中冶东方工程技术有限公司 | 一种钢渣处理方法及其装置 |
| CN103924012A (zh) * | 2014-05-05 | 2014-07-16 | 重庆大学 | 一种冶金熔渣干法粒化余热回收装置及方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2007190C2 (nl) * | 2011-07-28 | 2013-01-29 | Etna B V | Werkwijze en apparaat voor behandeling van een smeltslak. |
-
2016
- 2016-11-18 CN CN201611018362.9A patent/CN106636498B/zh active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914639A (zh) * | 2010-09-08 | 2010-12-15 | 北京科技大学 | 一种含铁工业熔渣在线回收铁及制备微晶玻璃熔块的方法 |
| CN103757152A (zh) * | 2014-01-03 | 2014-04-30 | 中冶东方工程技术有限公司 | 一种钢渣处理方法及其装置 |
| CN103924012A (zh) * | 2014-05-05 | 2014-07-16 | 重庆大学 | 一种冶金熔渣干法粒化余热回收装置及方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106636498A (zh) | 2017-05-10 |
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Address after: No. 20, East Road, University City, Chongqing, Shapingba District, Chongqing Patentee after: Chongqing University of science and technology Country or region after: China Address before: No. 20, East Road, University City, Chongqing, Shapingba District, Chongqing Patentee before: Chongqing University of Science & Technology Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20241011 Address after: Building 1-6, No. 104 Cuibai Road, Dadukou District, Chongqing, China 400084 Patentee after: Chongqing Zhenyan Energy Conservation and Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: No. 20, East Road, University City, Chongqing, Shapingba District, Chongqing Patentee before: Chongqing University of science and technology Country or region before: China |