CN106278179A - The resource utilization method of converter slag washing ball milling mud - Google Patents
The resource utilization method of converter slag washing ball milling mud Download PDFInfo
- Publication number
- CN106278179A CN106278179A CN201610653652.4A CN201610653652A CN106278179A CN 106278179 A CN106278179 A CN 106278179A CN 201610653652 A CN201610653652 A CN 201610653652A CN 106278179 A CN106278179 A CN 106278179A
- Authority
- CN
- China
- Prior art keywords
- ball milling
- converter slag
- milling mud
- washing ball
- mud
- 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
Classifications
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/138—Waste materials; Refuse; Residues from metallurgical processes, e.g. slag, furnace dust, galvanic waste
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/94—Products characterised by their shape
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- 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
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of resource utilization method of converter slag washing ball milling mud, comprise the following steps: 1) converter slag is washed ball milling mud it is dried, make its moisture content ＜ 1%, then dried converter slag washing ball milling mud is crushed so that it is particle diameter ＜ 10mm；2) the converter slag washing ball milling mud after crushing carries out magnetic separation, makes iron content≤1%；3) converter slag after magnetic separation is washed ball milling mud to mix by the part by weight of 55～65: 5～15: 20～40 with expanded perlite and clay, obtain compound, then grind the powder screening out 150～250 mesh, obtain haydite steel-slag mixture.The present invention uses the converter slag washing obsolete material such as ball milling mud as preparing the raw material of haydite steel-slag mixture in a large number, reduces light ceramic production cost, makes the industrial wastes such as converter slag washing ball milling mud get utilization；Containing iron oxides in converter slag washing ball milling mud, play fluxing action when high-temperature roasting, reduce sintering temperature, and then reduce energy consumption.
Description
Technical field
The present invention relates to solid waste resource recovery technology, in particular to the resource of a kind of converter slag washing ball milling mud
Application way.
Background technology
Slag contains the irony of 7～about 10%, in order to preferably extract the iron-containing resource in slag, and improves iron content money
The grade in source, a lot of enterprise of China takes the of a relatively high slag of PROCESS FOR TREATMENT iron content of wet method washing ball milling.Slag is washed
Ball milling mud takes wet method rinsing ball grinding process to extract metallic iron, then the precipitate of recrement after magnetic separation exactly.Slag rinsing ball
Mill tail mud fineness is little, easily seeps water, and saturated aqueous rate is about 30%.Owing to slag has certain gelling, therefore slag washing
Ball milling tail mud dehydration difficulty, the most easily hardens, thus causes being difficult to transport and stack, severe contamination production scene.
Further, it is well known that containing P in slag washing ball milling mud2O5And sulfide, it is difficult to for cement and concrete production, because of
How this, solve to wash storing up pollution and utilizing a difficult problem to become for an important and urgent job of ball milling mud.
Summary of the invention
Present invention aim to provide the resource utilization method of a kind of converter slag washing ball milling mud, the method profit
Producing haydite steel-slag mixture with converter slag washing ball milling mud, not only solve washing ball milling mud stores up pollution problem,
And utilize the haydite function admirable that gained haydite steel-slag mixture produces, with low cost.
For achieving the above object, the technical solution used in the present invention is: the resource of a kind of converter slag washing ball milling mud
Application way, comprises the following steps:
1) converter slag is washed ball milling mud to be dried so that it is moisture content ＜ 1%, then by dried converter slag
Washing ball milling mud crushes so that it is particle diameter ＜ 10mm；
2) the converter slag washing ball milling mud after crushing carries out magnetic separation so that it is metal Ferrum content≤1%；
3) converter slag after magnetic separation is washed ball milling mud and expanded perlite and clay according to 55～65: 5～15: 20～
The part by weight of 40 carries out mix homogeneously, obtains compound, is then ground by described compound, screens out the powder of 150～250 mesh
End, obtains haydite steel-slag mixture.
Further, described step 1) in, the activity index of described converter slag washing ball milling mud is 65～75%, basicity
Coefficient is 1.8～2.2.
Further, described step 3) in, described expanded perlite is material, and its density is 60～100kg/
m3, expansion multiple is 12～16.
Further, described step 3) in, described clay is that waste and old fireclay refractory passes through sorting, broken rear gained
Powder body material, its plasticity index is 18～20.
Further, described step 3) in, described converter slag washing ball milling mud is carried out with expanded perlite and clay
Stirring and evenly mixing, mixing speed is 200～250r/min, and mixing time is 20～70min.
Further, described step 3) in, the converter slag after magnetic separation is washed ball milling mud and expanded perlite and clay
Mix homogeneously is carried out according to the part by weight of 60～65: 5～15: 20～30.
Further, described step 1) in, converter slag is washed ball milling mud and is dried so that it is moisture content be 0.5～
0.9%, then dried converter slag washing ball milling mud is crushed so that it is particle diameter is 2.36～10mm.
Further, described step 2) in, the converter slag washing ball milling mud after broken is carried out magnetic separation so that it is metal
Iron content is 0.5～1%.
Compared with prior art, the invention have the advantages that
1) utilize converter slag washing ball milling mud and waste and old resistance to material to mix as preparing haydite slag large dosage of the present invention
Close the raw material of material so that the industrial wastes such as converter slag washing ball milling mud are recycled, and not only solve washing ball milling mud
Store up pollution problem, effectively prevent the converter slag washing unordered outer row of ball milling mud and the environmental pollution that causes, also have
Effect reduces the production cost of light ceramic, improves the added value of steel slag utilization, brings economic benefit and environmental benefit；With
Time, the inventive method technique is simple, and energy-conserving and environment-protective are with low cost.
2) the haydite steel-slag mixture that prepared by the inventive method has excellent expansion character, utilizes this haydite slag
The function admirables such as the haydite comprcssive strength that compound prepares.
3) containing iron oxides in the primary raw material converter slag washing ball milling mud that the present invention uses, prepare in high-temperature roasting
Play the effect of flux during haydite, sintering temperature can be reduced, thus save energy consumption.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, it is simple to more clearly understands the present invention,
But they do not constitute restriction to the present invention.
Embodiment 1
In converter slag washing ball milling mud, metal Ferrum content is 0.8%, and activity index is 75%, and basicity factor is 2.0,
This converter slag washing ball milling mud naturally dried or makes to Tumble Dry so that it is moisture content is 0.5%, and utilizing jaw to break
Being broken into particle diameter at the beginning of broken machine or rolling disintegrator is 4.75mm；Then, dried converter slag washing ball milling mud is carried out magnetic separation
Selecting ferrum, controlling its metal Ferrum content is 0.8%；Then, the washing ball milling mud of the converter slag after ferrum and expanded pearlite are selected by above-mentioned
Rock and clay are according to slag washing ball milling mud: expanded pearlite sand: clay=55: the part by weight mixing of 5: 40, mix homogeneously is (swollen
Swollen Margarita sand density is 80kg/m3, expansion multiple is 15；Clay is waste and old fireclay refractory institute after sorting and be broken
A kind of powder body material obtained, plasticity index is 18), stir 70min with the mixing speed of 250r/min, then in grinding machine for grinding
Become 250 mesh powder, the most after screening extracting screen underflows, obtain haydite steel-slag mixture product；This haydite steel-slag mixture
Sequentially passing through low-firing and high temperature burns till, i.e. obtain haydite after cooling, having process is: haydite steel-slag mixture 80～
It is dried at a temperature of 150 DEG C to Free water weight content ＜ 5% at a temperature of 500～750 DEG C, fires 45～90min, and
Burning till 15～65min under the conditions of 1050～1250 DEG C, prepare haydite, gained haydite cylindrical compress strength is more than 2.5MPa, bulk density
Less than 1000kg/m3。
Empirical tests, utilizes the haydite that haydite steel-slag mixture of the present invention prepares, and its bulk density is 421kg/m3, resistance to compression
Intensity be 3.6MPa, 1h water absorption rate be 3.21%, property indices is excellent.Turn simultaneously as the present embodiment employs 55 parts
Stove slag washing ball milling mud so that the utilization rate of converter slag washing ball milling mud is greatly improved, and effectively reduces haydite raw
Produce cost, and good heat insulating.
Embodiment 2
In converter slag washing ball milling mud, metal Ferrum content is 0.5%, and activity index is 75%, and basicity factor is 1.9,
This converter slag washing ball milling mud naturally dried or makes to Tumble Dry so that it is moisture content is 0.5%, and utilizing jaw to break
Being broken into particle diameter at the beginning of broken machine or rolling disintegrator is 5mm；Then, dried converter slag washing ball milling mud is carried out magnetic separation choosing
Ferrum, controlling its metal Ferrum content is 0.5%；Then, the washing ball milling mud of the converter slag after ferrum and expanded perlite are selected by above-mentioned
And clay is according to slag washing ball milling mud: expanded pearlite sand: clay=65: the part by weight mixing of 5: 30, mix homogeneously (expands
Margarita sand density is 70kg/m3, expansion multiple is 15；Clay is waste and old fireclay refractory gained after sorting and be broken
A kind of powder body material, plasticity index is 18), stir 60min with the mixing speed of 200r/min, then become in grinding machine for grinding
200 mesh powder, the most after screening extracting screen underflows, obtain haydite steel-slag mixture product；This haydite steel-slag mixture depends on
Secondary burn till through low-firing and high temperature, after cooling, i.e. obtain haydite.
Empirical tests, utilizes the haydite that haydite steel-slag mixture of the present invention prepares, and its bulk density is 464kg/m3, resistance to compression
Intensity be 4.3MPa, 1h water absorption rate be 1.54%, property indices is excellent.Turn simultaneously as the present embodiment employs 65 parts
Stove slag washing ball milling mud so that the utilization rate of converter slag washing ball milling mud is greatly improved, and effectively reduces haydite raw
Produce cost, and good heat insulating.
Embodiment 3
In converter slag washing ball milling mud, metal Ferrum content is 0.6%, and activity index is 70%, and basicity factor is 2.1,
This converter slag washing ball milling mud naturally dried or makes to Tumble Dry so that it is moisture content is 0.6%, and utilizing jaw to break
Being broken into particle diameter at the beginning of broken machine or rolling disintegrator is 4.75mm；Then, dried converter slag washing ball milling mud is carried out magnetic separation
Selecting ferrum, controlling its metal Ferrum content is 0.6%；Then, the washing ball milling mud of the converter slag after ferrum and expanded pearlite are selected by above-mentioned
Rock and clay are according to slag washing ball milling mud: expanded pearlite sand: clay=60: the part by weight mixing of 15: 25, mix homogeneously
(expanded pearlite sand density is 60kg/m3, expansion multiple is 16；Clay is that waste and old fireclay refractory through sorting and crushes
A kind of powder body material of rear gained, plasticity index is 19), stir 60min with the mixing speed of 250r/min, then in grinder
Grind to form 250 mesh powder, the most after screening extracting screen underflows, obtain haydite steel-slag mixture product；This haydite slag mixes
Conjunction material sequentially passes through low-firing and high temperature burns till, and i.e. obtains haydite after cooling.
Empirical tests, utilizes the haydite that haydite steel-slag mixture of the present invention prepares, and its bulk density is 439kg/m3, resistance to compression
Intensity be 3.9MPa, 1h water absorption rate be 1.53%, property indices is excellent.Turn simultaneously as the present embodiment employs 60 parts
Stove slag washing ball milling mud so that the utilization rate of converter slag washing ball milling mud is greatly improved, and effectively reduces haydite raw
Produce cost, and good heat insulating.
Embodiment 4
In converter slag washing ball milling mud, metal Ferrum content is 0.8%, and activity index is 70%, and basicity factor is 2.2,
This converter slag washing ball milling mud naturally dried or makes to Tumble Dry so that it is moisture content is 0.9%, and utilizing jaw to break
Being broken into particle diameter at the beginning of broken machine or rolling disintegrator is 2.36mm；Then, dried converter slag washing ball milling mud is carried out magnetic separation
Selecting ferrum, controlling its metal Ferrum content is 0.8%；Then, the washing ball milling mud of the converter slag after ferrum and expanded pearlite are selected by above-mentioned
Rock and clay are according to slag washing ball milling mud: expanded pearlite sand: clay=65: the part by weight mixing of 15: 20, mix homogeneously
(expanded pearlite sand density is 80kg/m3, expansion multiple is 12；Clay is that waste and old fireclay refractory through sorting and crushes
A kind of powder body material of rear gained, plasticity index is 20), stir 50min with the mixing speed of 225r/min, then in grinder
Grind to form 150 mesh powder, the most after screening extracting screen underflows, obtain haydite steel-slag mixture product；This haydite slag mixes
Conjunction material sequentially passes through low-firing and high temperature burns till, and i.e. obtains haydite after cooling.
Empirical tests, utilizes the haydite that haydite steel-slag mixture of the present invention prepares, and its bulk density is 514kg/m3, resistance to compression
Intensity be 4.9MPa, 1h water absorption rate be 2.48%, property indices is excellent.Turn simultaneously as the present embodiment employs 65 parts
Stove slag washing ball milling mud so that the utilization rate of converter slag washing ball milling mud is greatly improved, and effectively reduces haydite raw
Produce cost, and good heat insulating.
Claims (8)
1. the resource utilization method of a converter slag washing ball milling mud, it is characterised in that: comprise the following steps:
1) converter slag is washed ball milling mud to be dried so that it is moisture content ＜ 1%, then dried converter slag is washed
Ball milling mud crushes so that it is particle diameter ＜ 10mm；
2) the converter slag washing ball milling mud after crushing carries out magnetic separation so that it is metal Ferrum content≤1%；
3) converter slag after magnetic separation is washed ball milling mud and expanded perlite and clay according to 55～65: 5～15: 20～40
Part by weight carries out mix homogeneously, obtains compound, is then ground by described compound, screens out the powder of 150～250 mesh, i.e.
Obtain haydite steel-slag mixture.
The resource utilization method of converter slag washing ball milling mud the most according to claim 1, it is characterised in that: described step
1), in, the activity index of described converter slag washing ball milling mud is 65～75%, and basicity factor is 1.8～2.2.
The resource utilization method of converter slag washing ball milling mud the most according to claim 1, it is characterised in that: described step
3) in, described expanded perlite is material, and its density is 60～100kg/m3, expansion multiple is 12～16.
4. according to the resource utilization method of converter slag washing ball milling mud described in claim 1 or 2 or 3, it is characterised in that: institute
State step 3) in, described clay is that waste and old fireclay refractory passes through sorting, and the powder body material of broken rear gained, its plasticity refers to
Number is 18～20.
5. according to the resource utilization method of converter slag washing ball milling mud described in claim 1 or 2 or 3, it is characterised in that: institute
State step 3) in, described converter slag washing ball milling mud is stirred mixing with expanded perlite and clay, mixing speed is
200～250r/min, mixing time is 20～70min.
6. according to the resource utilization method of converter slag washing ball milling mud described in claim 1 or 2 or 3, it is characterised in that: institute
State step 3) in, the converter slag after magnetic separation is washed ball milling mud and expanded perlite and clay according to 60～65: 5～15: 20
～the part by weight of 30 carries out mix homogeneously.
7. according to the resource utilization method of converter slag washing ball milling mud described in claim 1 or 2 or 3, it is characterised in that: institute
State step 1) in, converter slag is washed ball milling mud and is dried so that it is moisture content is 0.5～0.9%, then by dried
Converter slag washing ball milling mud crushes so that it is particle diameter is 2.36～10mm.
8. according to the resource utilization method of converter slag washing ball milling mud described in claim 1 or 2 or 3, it is characterised in that: institute
State step 2) in, the converter slag washing ball milling mud after broken is carried out magnetic separation so that it is metal Ferrum content is 0.5～1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610653652.4A CN106278179A (en) | 2016-08-11 | 2016-08-11 | The resource utilization method of converter slag washing ball milling mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610653652.4A CN106278179A (en) | 2016-08-11 | 2016-08-11 | The resource utilization method of converter slag washing ball milling mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106278179A true CN106278179A (en) | 2017-01-04 |
Family
ID=57668293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610653652.4A Pending CN106278179A (en) | 2016-08-11 | 2016-08-11 | The resource utilization method of converter slag washing ball milling mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106278179A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854407A (en) * | 2017-01-09 | 2017-06-16 | 娄底市湖泉亿达工贸有限公司 | A kind of method of comprehensive utilization of converter slag |
| WO2018154487A1 (en) * | 2017-02-22 | 2018-08-30 | Khalifa University of Science and Technology | Elaboration of an advanced ceramic made of recycled industrial steel waste |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765931A (en) * | 2012-08-03 | 2012-11-07 | 北京科技大学 | Method for preparing ceramic material utilizing magnetic separation tail sludge from steel slag wet process |
| CN104628412A (en) * | 2015-02-12 | 2015-05-20 | 武汉钢铁(集团)公司 | Method for producing ceramsite for thermal insulation blocks by use of pyrolytic steel slag |
| CN104649703A (en) * | 2015-02-12 | 2015-05-27 | 武汉钢铁(集团)公司 | Method for producing ceramsite from steelmaking slag washing ball-milling mud |
-
2016
- 2016-08-11 CN CN201610653652.4A patent/CN106278179A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765931A (en) * | 2012-08-03 | 2012-11-07 | 北京科技大学 | Method for preparing ceramic material utilizing magnetic separation tail sludge from steel slag wet process |
| CN104628412A (en) * | 2015-02-12 | 2015-05-20 | 武汉钢铁(集团)公司 | Method for producing ceramsite for thermal insulation blocks by use of pyrolytic steel slag |
| CN104649703A (en) * | 2015-02-12 | 2015-05-27 | 武汉钢铁(集团)公司 | Method for producing ceramsite from steelmaking slag washing ball-milling mud |
Non-Patent Citations (3)
| Title |
|---|
| 朱廷钰等: "《烧结烟气排放控制技术及工程应用》", 31 January 2015, 冶金工业出版社 * |
| 李灿华等: "以钢渣水洗尘泥为原料制取陶粒的试验研究", 《钢铁研究》 * |
| 邱克辉: "《材料科学概论》", 30 September 1996, 电子科技大学出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854407A (en) * | 2017-01-09 | 2017-06-16 | 娄底市湖泉亿达工贸有限公司 | A kind of method of comprehensive utilization of converter slag |
| CN106854407B (en) * | 2017-01-09 | 2019-05-03 | 娄底市湖泉亿达工贸有限公司 | A kind of method of comprehensive utilization of converter slag |
| WO2018154487A1 (en) * | 2017-02-22 | 2018-08-30 | Khalifa University of Science and Technology | Elaboration of an advanced ceramic made of recycled industrial steel waste |
| CN110582584A (en) * | 2017-02-22 | 2019-12-17 | 哈利法科技大学 | Processing of advanced ceramics made from recycled industrial steel waste |
| CN110582584B (en) * | 2017-02-22 | 2022-04-08 | 哈利法科技大学 | Processing of advanced ceramics made from recycled industrial steel waste |
| US11787745B2 (en) | 2017-02-22 | 2023-10-17 | Khalifa University of Science and Technology | Elaboration of an advanced ceramic made of recycled industrial steel waste |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106242509B (en) | A kind of clinker bricks in environmental protection and preparation method thereof | |
| CN103667742B (en) | Treatment method of laterite-nickel ore | |
| WO2019114198A1 (en) | Method for calcining cyanidation slag to recover valuable metals and synchronously prepare ceramsite | |
| CN103131861B (en) | Integrated utilization method of ironmaking dust removal ash | |
| CN103819176A (en) | Preparation technology of low-cost high-strength ceramic floor tile | |
| CN107043233A (en) | A kind of technique of with preparing base polymers ecomaterial | |
| CN105778886A (en) | Low-density high-strength ceramsite proppant and preparation process thereof | |
| CN103074456A (en) | Method for recycling iron from waste red mud in alumina production | |
| CN110183120B (en) | Method for producing cement active admixture by using undisturbed electrolytic manganese slag and steel slag tail mud | |
| CN106045412A (en) | Ecological concrete | |
| CN102765931B (en) | Method for preparing ceramic material utilizing magnetic separation tail sludge from steel slag wet process | |
| CN104628412B (en) | Utilize the method that hot vexed slag produces insulation blocks haydite | |
| CN112960964A (en) | High-strength ceramsite and preparation process thereof | |
| CN106587840B (en) | The preparation method of converter slag baking-free ceramicite | |
| CN102019286B (en) | Method for treating steel slag tailings subjected to magnetic separation | |
| CN106186702A (en) | A kind of method utilizing waste residue to prepare micro crystal material | |
| CN101775868B (en) | Method for sintering and curing industrial waste residue | |
| CN106278179A (en) | The resource utilization method of converter slag washing ball milling mud | |
| CN106277993A (en) | A kind of preparation method of environment-friendly baking-free bricks | |
| CN108218262A (en) | A kind of clinker prepared using discarded concrete full constituent and preparation method thereof | |
| CN101638703B (en) | Method for directly reducing nickel containing pig iron by lateritic nickel in tunnel kiln | |
| CN114990329B (en) | Method for preparing high-strength lightweight aggregate by pellet roasting method | |
| CN107304126A (en) | A kind of slag haydite | |
| CN102653403A (en) | Process method for preparing calcium carbide by recycling calcium carbide slag | |
| CN102633515A (en) | Magnesium-forsterite synthetic sand and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170627 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Applicant after: Wuhan iron and Steel Company Limited Address before: 430083 Qingshan District, Hubei, Wuhan Applicant before: WUHAN IRON AND STEEL CORPORATION |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |