CN103725873A - High-magnesium concretion agent for cold concretion ball pressing process and use method of high-magnesium concretion agent - Google Patents
High-magnesium concretion agent for cold concretion ball pressing process and use method of high-magnesium concretion agent Download PDFInfo
- Publication number
- CN103725873A CN103725873A CN201310656635.2A CN201310656635A CN103725873A CN 103725873 A CN103725873 A CN 103725873A CN 201310656635 A CN201310656635 A CN 201310656635A CN 103725873 A CN103725873 A CN 103725873A
- Authority
- CN
- China
- Prior art keywords
- magnesium
- concretion
- agent
- solidifying agent
- percent
- 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
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 43
- 239000011777 magnesium Substances 0.000 title claims abstract description 26
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910052742 iron Inorganic materials 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000000292 calcium oxide Substances 0.000 claims abstract description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims abstract description 9
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims abstract description 9
- 235000019341 magnesium sulphate Nutrition 0.000 claims abstract description 9
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000005864 Sulphur Substances 0.000 claims abstract description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 12
- 235000012255 calcium oxide Nutrition 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 claims description 8
- 235000012245 magnesium oxide Nutrition 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 229960001866 silicon dioxide Drugs 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 239000011499 joint compound Substances 0.000 abstract description 8
- 239000000843 powder Substances 0.000 abstract description 8
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000007596 consolidation process Methods 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 230000004523 agglutinating effect Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 238000005272 metallurgy Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- MAZPIOPHRNWBNG-UHFFFAOYSA-N [Cl-].Cl[NH3+].[Na] Chemical compound [Cl-].Cl[NH3+].[Na] MAZPIOPHRNWBNG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 235000019353 potassium silicate 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
- 239000010959 steel Substances 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a high-magnesium concretion agent for a cold concretion ball pressing process. The high-magnesium concretion agent comprises the following ingredients by weight: 15 to 45 percent of magnesium oxide, 0.5 to 2 percent of calcium oxide, 15 to 45 percent of magnesium sulphate, 0 to 1 percent of silicon dioxide, 0 to 0.1 percent of aluminum oxide, and sulphur; the feeding quantity of the high-magnesium concretion agent is 2 to 6 percent of the total weight of a material. The concretion strength of the novel high-magnesium concretion agent is up to 1000 to 2000 N, so that the high-magnesium concretion agent is suitable for not only various materials containing iron, dust and mud, but also large particles of oxide scale or metallurgical powder of poor cohesiveness; dioxine pollution caused by a chlorine-containing concretion agent can be prevented; the raw materials of the high-magnesium concretion agent are highly available and low in price, so that the cost can be reduced.
Description
Technical field
The present invention relates to ferrous metallurgy field, particularly a kind of high magnesium solidifying agent and using method for cold fixed ball press technique.
Background technology
In metallurgical industry production process, can produce a large amount of flue dust, mud, iron scale and other powdery regenerants, the iron-holder of these powdery regenerants up to 45% and more than, utilize cold-consolidation pellet process to process these pulverulent materials, have that technique is simple, a less investment, instant effect, the saving energy, low cost and other advantages.3.5 hundred million tons of China's iron and steel annual production according to statistics, the iron content secondary iron-containing resource of association approximately produces more than ten million ton every year, generally adopt wilkinite, water glass, cement as binding agent, mostly have the problem that green-ball Pulverization ratio is high, rate of drying is slow, intensity is low, ferrous grade reduces.
200510026046.1 disclose a kind of adhesive for fast consolidation of cold solidified pellet, and its component comprises calcium oxide, silicon-dioxide, magnesium oxide, aluminium sesquioxide, ferric oxide and manganese oxide.Its solidifying agent is applied in the cold fixed ball press technique that ion dust mud contaning or ion dust mud contaning contain.But this binding agent is smelted for metallurgical, has certain material limitation, is not suitable for the cold fixed ball press technique of the poor material of the macrobeads such as iron scale or agglutinating value(of coal).
200610031958.2 disclose a kind of adhesive for fast consolidation of cold solidified pellet, and its component comprises magnesium chloride, calcium chloride, iron(ic) chloride, sodium-chlor, ammonium chloride.The 1.5-2.0% for raw material gross weight with addition of amount of binding agent.But this binding agent is under the metallurgical smelting process condition of high temperature, chlorion enters flue gas, pipeline and fume treatment auxiliary is worked the mischief, and use this binding agent, and chlorion enters in atmosphere with flue gas, also can increase the generation of toxicant dioxin.
Summary of the invention
The object of the invention be to provide a kind of use range more extensively, cost is lower and meet solidifying agent and the using method of the cold consolidation technique service requirements of metallurgy powder, and solves the chloride difficult problem of cold fixed pressure ball solidifying agent.
Realize a kind of high magnesium solidifying agent for cold fixed ball press technique of the object of the invention, comprise magnesium oxide, calcium oxide, magnesium sulfate, silicon-dioxide, aluminium sesquioxide and sulphur, in mass parts, each component concentration is as follows:
A kind of high magnesium solidifying agent, in mass parts, each component concentration is as follows:
A kind of high magnesium solidifying agent, in mass parts, each component concentration is as follows:
A kind of high magnesium solidifying agent, in mass parts, each component concentration is as follows:
A kind of high magnesium solidifying agent, in mass parts, each component concentration is as follows:
Magnesium oxide 21.6
Calcium oxide 0.8
Magnesium sulfate 36.9
Silicon-dioxide 0.3
The using method of above-mentioned arbitrary high magnesium solidifying agent, the amount of allocating into of described high magnesium solidifying agent is the 2-6wt% of material total mass.
After described material and described high magnesium solidifying agent mix, control the moisture of mixture lower than 10wt%.
Described material is ion dust mud contaning and iron scale, and wherein said iron scale pulverizing and jevigating is less than 5mm to granularity, and the mass ratio of ion dust mud contaning and iron scale is 1 or is greater than 1.
This novel solidifying agent consolidation strength is up to 1000-2000N.Be not only applicable to all kinds of ion dust mud contaning materials, be also applicable to the poor metallurgy powder of iron scale class macrobead or agglutinating value(of coal); And can solve chloride solidifying agent and bring the pollution problem of dioxin.And this solidifying agent raw material drawing is extensive, cheap, can large-scale production and application.
Embodiment
For better explanation the present invention, below the technical scheme in the embodiment of the present invention is clearly and completely described.
Embodiment 1
(1) become granularity to be less than the powder of 5mm iron scale crushing grinding;
(2) prepare novel solidifying agent, meter is got MgO content 37.9kg, CaO content 1.4kg, MgSO4 content 20kg, SiO2 content 0.4kg, Al2O3 content 0.1kg;
(3) under normal temperature and pressure conditions, solidifying agent by outer dosage 2Wt% join iron containing sludge and iron scale (proportioning 1:1) in, material is mixed, guarantee that mixture moisture is 5-10%;
(4) by conveyor, will mix material and be delivered to ball press feed bin, pressure ball is transported to smelting furnace after balling-up after stacking 12-24h under finished ball normal temperature and pressure, uses.
Embodiment 2
(1) become granularity to be less than the powder of 5mm iron scale crushing grinding;
(2) prepare novel solidifying agent, meter is got MgO content 42.1kg, CaO content 1.6kg, MgSO4 content 44.4kg, SiO2 content 0.4kg, Al2O3 content 0.1kg;
(3) under normal temperature and pressure conditions, solidifying agent joins in iron containing sludge and iron scale (proportioning 1:1) by outer dosage 2-2.5Wt%, and material is mixed, and guarantees that mixture moisture is 6-10%;
(4) by conveyor, will mix material and be delivered to ball press feed bin, pressure ball is transported to smelting furnace after balling-up after stacking 12-24h under finished ball normal temperature and pressure, uses.
Embodiment 3
(1) become granularity to be less than the powder of 5mm iron scale crushing grinding;
(2) prepare novel solidifying agent, meter is got MgO content 37.9kg, CaO content 1.4kg, MgSO4 content 36.9kg, SiO2 content 0.4kg, Al2O3 content 0.1kg;
(3) under normal temperature and pressure conditions, solidifying agent by outer dosage 6Wt% join iron containing sludge and iron scale (proportioning 1:1) in, material is mixed, guarantee mixture moisture < 5%;
(4) by conveyor, will mix material and be delivered to ball press feed bin, pressure ball is transported to smelting furnace after balling-up after stacking 12-24h under finished ball normal temperature and pressure, uses.
Case study on implementation 4
(1) become granularity to be less than the powder of 5mm iron scale crushing grinding;
(2) prepare novel solidifying agent, meter is got MgO content 21.6kg, CaO content 0.8kg, MgSO4 content 36.9kg, SiO2 content 0.3kg;
(3) under normal temperature and pressure conditions, by outer dosage 3-4Wt% join iron containing sludge and iron scale (proportioning 1:1) in, material is mixed, guarantee mixture moisture < 5%;
(4) by conveyor, will mix material and be delivered to ball press feed bin, pressure ball is transported to smelting furnace after balling-up after stacking 12-24h under finished ball normal temperature and pressure, uses.
The beneficial effect that technical solution of the present invention is brought: this novel solidifying agent consolidation strength is up to 1000-2000N.Applied widely, be not only applicable to all kinds of ion dust mud contaning materials, be also applicable in the poor metallurgy powder of iron scale class macrobead or agglutinating value(of coal); And can solve chloride solidifying agent and bring the pollution problem of dioxin, and this solidifying agent raw material drawing is extensive, cheap.
The above; only for preferably embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (8)
1. a high magnesium solidifying agent for cold fixed ball press technique, is characterized in that, comprises magnesium oxide, calcium oxide, magnesium sulfate, silicon-dioxide, aluminium sesquioxide and sulphur, and in mass parts, each component concentration is as follows:
2. high magnesium solidifying agent for knot ball press technique according to claim 1, is characterized in that, in mass parts, each component concentration is as follows:
3. high magnesium solidifying agent for knot ball press technique according to claim 1, is characterized in that, in mass parts, each component concentration is as follows:
4. high magnesium solidifying agent for knot ball press technique according to claim 1, is characterized in that, in mass parts, each component concentration is as follows:
5. high magnesium solidifying agent for knot ball press technique according to claim 1, is characterized in that, in mass parts, each component concentration is as follows:
Magnesium oxide 21.6
Calcium oxide 0.8
Magnesium sulfate 36.9
Silicon-dioxide 0.3.
6. the using method of high magnesium solidifying agent for the knot ball press technique described in claim 1-5 any one, is characterized in that, the amount of allocating into of described high magnesium solidifying agent is the 2-6wt% of material total mass.
7. using method according to claim 6, is characterized in that, after described material and described high magnesium solidifying agent mix, controls the moisture of mixture lower than 10wt%.
8. using method according to claim 6, is characterized in that, described material is ion dust mud contaning and iron scale, and wherein said iron scale pulverizing and jevigating is less than 5mm to granularity, and the mass ratio of ion dust mud contaning and iron scale is 1 or is greater than 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656635.2A CN103725873B (en) | 2013-12-06 | 2013-12-06 | One freezes off knot ball press technique high magnesium consolidating agent and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656635.2A CN103725873B (en) | 2013-12-06 | 2013-12-06 | One freezes off knot ball press technique high magnesium consolidating agent and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103725873A true CN103725873A (en) | 2014-04-16 |
| CN103725873B CN103725873B (en) | 2016-08-17 |
Family
ID=50450163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310656635.2A Active CN103725873B (en) | 2013-12-06 | 2013-12-06 | One freezes off knot ball press technique high magnesium consolidating agent and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103725873B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112080633A (en) * | 2020-10-09 | 2020-12-15 | 河南钰镁新材料科技有限公司 | Non-bentonite alkaline pellet and preparation method thereof |
| CN112080634A (en) * | 2020-10-09 | 2020-12-15 | 河南钰镁新材料科技有限公司 | Acidic pellet binder and preparation method thereof |
| CN112126782A (en) * | 2020-10-09 | 2020-12-25 | 河南钰镁新材料科技有限公司 | Binder for alkaline pellet mine and preparation method thereof |
| CN112176181A (en) * | 2020-10-09 | 2021-01-05 | 河南钰镁新材料科技有限公司 | Bentonite-free acidic pellet and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737170A (en) * | 2005-09-06 | 2006-02-22 | 季建梅 | Iron concentrate pelletization binder of calcium magnesium reaction type |
| CN101270410A (en) * | 2007-03-20 | 2008-09-24 | 尚国洪 | Cold bonded pellet and method of producing the same |
| CN101525689A (en) * | 2009-03-27 | 2009-09-09 | 莱芜钢铁股份有限公司 | Method for preparing carbonaceous autoreduction cold pressing block and application thereof |
| CN102061359A (en) * | 2004-11-17 | 2011-05-18 | Ism有限公司 | A slag conditioner composition, process for manufacture and method of use in steel production |
| CN102268543A (en) * | 2011-08-30 | 2011-12-07 | 北京科技大学 | Shaping adhesive for chromium powder ore cold-pressed pellets and using method of shaping adhesive |
-
2013
- 2013-12-06 CN CN201310656635.2A patent/CN103725873B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061359A (en) * | 2004-11-17 | 2011-05-18 | Ism有限公司 | A slag conditioner composition, process for manufacture and method of use in steel production |
| CN1737170A (en) * | 2005-09-06 | 2006-02-22 | 季建梅 | Iron concentrate pelletization binder of calcium magnesium reaction type |
| CN101270410A (en) * | 2007-03-20 | 2008-09-24 | 尚国洪 | Cold bonded pellet and method of producing the same |
| CN101525689A (en) * | 2009-03-27 | 2009-09-09 | 莱芜钢铁股份有限公司 | Method for preparing carbonaceous autoreduction cold pressing block and application thereof |
| CN102268543A (en) * | 2011-08-30 | 2011-12-07 | 北京科技大学 | Shaping adhesive for chromium powder ore cold-pressed pellets and using method of shaping adhesive |
Non-Patent Citations (1)
| Title |
|---|
| 西安建筑科技大学等编: "《建筑材料》", 31 October 2003 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112080633A (en) * | 2020-10-09 | 2020-12-15 | 河南钰镁新材料科技有限公司 | Non-bentonite alkaline pellet and preparation method thereof |
| CN112080634A (en) * | 2020-10-09 | 2020-12-15 | 河南钰镁新材料科技有限公司 | Acidic pellet binder and preparation method thereof |
| CN112126782A (en) * | 2020-10-09 | 2020-12-25 | 河南钰镁新材料科技有限公司 | Binder for alkaline pellet mine and preparation method thereof |
| CN112176181A (en) * | 2020-10-09 | 2021-01-05 | 河南钰镁新材料科技有限公司 | Bentonite-free acidic pellet and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103725873B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104046773B (en) | A kind of dedusting steel-smelting converter ash produces cooled agglomerated pellet processing method | |
| CN109266847B (en) | Preparation method of low-temperature consolidated metallurgical pellets | |
| CN103805726B (en) | A kind of method using rotary hearth furnace pearl iron process to fully utilize iron red mud | |
| CN102719574B (en) | Converter slag stability modifier and application method thereof | |
| CN101270410A (en) | Cold bonded pellet and method of producing the same | |
| CN102925675B (en) | Method for recovering sludge from smelting ironmaking | |
| CN102876286A (en) | Compound high-efficiency desulfurizer | |
| CN103042223A (en) | Reduced iron powder production process | |
| CN104129934A (en) | Cementing material containing silicon-calcium slag and preparation method thereof | |
| CN103435281A (en) | Cement clinker and preparation process thereof | |
| CN102071283A (en) | Boron-containing fluorine-free fluxing slag-melting agent for electric steelmaking | |
| CN103725873B (en) | One freezes off knot ball press technique high magnesium consolidating agent and using method | |
| CN103290206B (en) | The composite additive of iron and aluminium and application in a kind of high efficiency separation red mud | |
| CN101665857B (en) | Novel liquid steel refining fluxing slag | |
| CN105948088A (en) | Calcium aluminate powder with high dissolution rate | |
| CN102839281B (en) | Rotary hearth furnace direct-reduction is utilized to produce the method for blast furnace protecting titaniferous metallized pellet | |
| CN106811597A (en) | A kind of method that utilization limekiln exhaust gas produce blast furnace cold-bonded carbonaceous pelletizing | |
| CN103468944B (en) | A kind of pelletizing binding agent and production method thereof | |
| CN102912120B (en) | A kind of preparation method of high strength coal-pressing ball | |
| CN111101002A (en) | Production process for magnesium smelting and cement co-production by Pidgeon process | |
| CN111039299B (en) | Method for efficiently recycling lead-zinc tailings | |
| CN108531721A (en) | A kind of additive and iron ore sinter inhibiting iron ore sinter low temperature reduction degradation | |
| CN104988305A (en) | Production process of acid sinter | |
| CN104046772A (en) | Method for making cooled agglomerated pellets by use of converter gas dry-method electrostatic precipitator | |
| CN102121065A (en) | Mineral powder moulding binder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20160817 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20160817 |
|
| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20220921 Granted publication date: 20160817 |
|
| PP01 | Preservation of patent right |