CN110066922A - The method of the high titanium red mud production ferro-titanium by-product cement clinker of high-speed rail - Google Patents

The method of the high titanium red mud production ferro-titanium by-product cement clinker of high-speed rail Download PDF

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Publication number
CN110066922A
CN110066922A CN201910291206.7A CN201910291206A CN110066922A CN 110066922 A CN110066922 A CN 110066922A CN 201910291206 A CN201910291206 A CN 201910291206A CN 110066922 A CN110066922 A CN 110066922A
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Prior art keywords
titanium
raw material
red mud
iron
clinker
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CN201910291206.7A
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Inventor
张廷安
豆志河
王艳秀
吕国志
刘燕
王坤
牛丽萍
赵秋月
傅大学
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Northeastern University China
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Northeastern University China
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Publication of CN110066922A publication Critical patent/CN110066922A/en
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    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1218—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by dry processes
    • 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
    • C22B7/001—Dry processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/08—Making cast-iron alloys
    • 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
    • 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

Abstract

A kind of method of the high titanium red mud production ferro-titanium by-product cement clinker of high-speed rail sequentially includes the following steps: (1) and prepares raw material calcification-carbonizatin method treated the high titanium red mud of high-speed rail；(2) raw material drying obtains dehydrated raw material；Mixture is made in dehydrated raw material and solid carbonaceous reducer and slag former mixing, and the swirl center of blowing to vortex stirring high temperature furnace carries out vortex stirring reduction；(3) the titaniferous molten iron and liquid slag formed after restoring is layered, and carries out continuous overflow separation；Ferrochrome is added to the titaniferous molten iron isolated and manganese iron is directly smelted into titaniferous cast iron type antifriction alloy；(4) after liquid slag adjustment component, it is air-cooled to room temperature, clinker is made in broken and grinding.The reduction rate of method iron and titanium of the invention is high；Tailings is entirely used for production clinker, and red mud utilization rate is up to 100%.

Description

The method of the high titanium red mud production ferro-titanium by-product cement clinker of high-speed rail
Technical field
The present invention relates to field of environment protection, and in particular to a kind of high titanium red mud production ferro-titanium by-product cement of high-speed rail is ripe The method of material.
Technical background
Red mud be using bauxite as waste aluminium oxide or aluminium hydroxide after generated strong basicity solid waste.Mesh Before, global red mud reserves estimation alreadys exceed 3,000,000,000 tons, and is about increased every year with 1.2 hundred million tons of speed, and world's red mud is flat Equal utilization rate is 15%；Chinese red mud adds up volume of cargo in storage and has risen to 600,000,000 tons, and is about increased every year with 100,000,000 tons of speed, Chinese red mud utilization rate is only 4%.The method disposition that most of red mud still takes land to store up.Red mud pilling not only wastes Secondary resource occupies a large amount of soils, and destroys the surrounding enviroment of red mud dump, brings serious environmental problem, causes The environmental protection pressure of aluminum i ndustry increases severely.The environmental risk of red mud pilling causes the weight of government, each alumina producing state and enterprise already Depending on solving the problems, such as that the key of red mud is research and development red mud comprehensive utilization technique.
To realize that efficient utilization and the valuable element of red mud extract, China's aluminum i ndustry has carried out a large amount of R&D work, Existing red mud generally can be divided into two kinds using technology: one is as general raw material of industry whole utilization, Ru Zhaoguang is bright etc. Human hair bright " a method of utilize red mud produce clinker " (application number: CN201210031710.1), is red to dealkalize Dealkalize gypsum and flyash are added in mud, three of the above material are uniformly mixed in agitator tank, while adding water by its concentration tune It is whole to 30%.It is lower than 25% using plate and frame high-pressure pressure filter filters pressing to solid mixture water content, is then fed into rotary kiln and forges Calcination of cement clinker；A kind of " technique that aluminum i ndustry technique waste residue is all transformed into ecological architectural material of Wang Wenju et al. invention With method " (application number: CN200710105971), using aluminum i ndustry in process of production institute's output solid waste red mud (burn Connection, Bayer process), boiler slag, milltailings, ashing slag, gas generator slag, six kinds of waste residues itself of sludge substance category Property, by drying, crushing, rational proportion, machine-shaping (roll, squeeze) consolidation or sintering process, it is converted into novel road and uses Material and construction material.
Also there is the technology extracted from red mud and have the valuable metals element such as Na, Al, Fe, rare metal；The invention such as Lou Dongmin " a kind of dealkalization method of Bayer process red mud " (application number: CN201810572642.7) first red mud is ground, make red mud Surface Renewal, then again to de-alkali reaction is carried out after the red mud that Surface Renewal is handled is mixed with milk of lime, by dealkalize Red mud slurry after reaction washed, solid-liquor separation, can obtain the solution containing alkali, returning alumina production procedure, separation The red mud of Lower alrali content send red mud dam to store up afterwards；
" from the red mud method of the valuable metals such as comprehensive recovery of iron, aluminium, scandium, titanium, vanadium, the application number of the inventions such as Dong Hongjun CN201410121083.X ", which mixes red mud with reducing agent, carries out reduction roasting, makes Fe2O3It is converted to Fe3O4, obtained by magnetic separation To Armco magnetic iron concentrate and non-magnetic product, non-magnetic product dissolves out aluminium oxide by ammonium hydroxide, and washed-residue and water are made into ore pulp, as Absorbent absorbs the SO in coal-fired flue-gas2, high concentrated acid is added into washed-residue and carries out acidolysis, dissolves out scandium, titanium in acid hydrolysis solution, After filtering out acidolysis slag, to acid hydrolysis solution be added metatitanic acid crystal seed, titanium in the form of metatitanic acid by hydrolysis be precipitated, be extracted titanium with Acid hydrolysis solution afterwards uses 13%P204,7%TBP and 80% kerosene as extractant, the scandium in extraction solution, the solution after extracting scandium Ammonium hydroxide is added to neutralize, makees extractant with 19%P204,8%TBP and 73% kerosene and vanadium is obtained by extraction.
There are red mud alkalinity to restrict when red mud is as general raw material of industry whole utilization, product price is low, income is poor etc. Problem；The method for extracting valuable element respectively has that processing technological flow is too long, wastewater flow rate is big, tailings is unable to get benefit mostly again The problems such as using；" a method of consumption red mud " (application number: CN201110275030.X) of the inventions such as Zhang Tingan is by Bayer process Red mud is mixed with white lime, and after carrying out calcification dealkalize, CO is passed through into container2Obtain main component be calcium silicates, calcium carbonate with And the carbide slag of aluminium hydroxide, aluminium hydroxide finally is extracted using sodium hydroxide solution or sodium aluminate solution, is made the transition by calcification Change the structure and composition of red mud with carbonization transformation, to obtain calcification-carbonization with calcium silicates and calcium carbonate for main object phase Red mud.
Summary of the invention
In order to preferably realize the comprehensive utilization of red mud, the present invention provides a kind of high titanium red mud production ferro-titanium pair of high-speed rail The method for producing clinker, as raw material, to restore recycling ferrotitanium through vortex through calcification-carbonizatin method treated high titanium red mud of high-speed rail Alloy, liquid slag adjusting component at high temperature are directly becoming clinker through cooling, broken, grinding.
Method of the invention sequentially includes the following steps:
(1) prepare raw material calcification-carbonizatin method treated high titanium red mud of high-speed rail, raw material by mass percentage TFe 20~ 40%, contain TiO23~10%, Al2O38~12%, SiO25~20%, Na2O 0.1~1.0%, H2O 5~20%；And Al2O3With SiO2Mass ratio A/S=0.2~0.9；
(2) by mass percent≤1% of raw material drying to water, dehydrated raw material is obtained；By dehydrated raw material with it is solid carbonaceous Mixture is made in reducing agent and slag former mixing, and the directly swirl center of blowing to vortex stirring high temperature furnace, mixture is involved in In molten bath, 10~60min is restored in 1460~1650 DEG C of progress vortex stirrings；The solid carbonaceous reducer is coking coal, Gu The molar ratio of Fe is 1.2~1.5 in the amount and raw material of state carbonaceous reducing agent, and slag former is CaO and CaF2Mixture, wherein CaO is 1.0~1.4 additions, CaF by the basicity of mixture2Account for the 10~30% of CaO gross mass:
(3) the titaniferous molten iron and liquid slag formed after restoring is layered, and carries out continuous overflow separation；To the titaniferous isolated Ferrochrome is added in molten iron and manganese iron is directly smelted into titaniferous cast iron type antifriction alloy；
(4) liquid slag isolated adjusts component in smelting furnace and complies with clinker requirement, then through being air-cooled to Room temperature, then clinker is made through broken and grinding.
The calculation formula of above-mentioned basicity is pressed
In formula, mCaO is the mass percent of calcium oxide in mixed slurry, mA2lO3For the quality of aluminium oxide in mixed slurry Percentage, mSiO2For the mass percent of mixed slurry silica, mTiO2For the mass percent of titanium oxide in mixed slurry.
In the above method, the main reaction formula that reduction process is related to is as follows:
FexOy+ yC=yCO+xFe (2),
FexOy+ yCO=yCO2+xFe (3)、
FexOy+ y/2C=y/2CO2+xFe (4)、
TiO2+ 2C=2CO+Ti (5),
TiO2+ 2CO=2CO2+Ti (6)
With
TiO2+ C=CO2+Ti (7)。
In the above method, the rate of recovery >=60% of titanium, the rate of recovery >=95% of iron.
Compared with prior art, the features of the present invention and beneficial effect are:
(1) calcification that raw material uses-carbonizatin method processing iron red mud belongs to low alkali bottom aluminium red mud, eliminates red mud Limitation of the middle alkali to manufacture of cement, can increase red mud calcining cement clinker adds dosage；
(2) liberation degree of minerals of Copper component is high in calcification-carbonization iron red mud, is conducive to the extraction of reduction process iron, iron Reduction rate up to 95% or more, the reduction rate of titanium is up to 60% or more；
(3) vortex stirring melting and reducing is used, raw material does not have to sintering, can directly enter furnace reduction, and reduction kinetics condition is filled Point；
(4) the titaniferous molten iron obtained both can be used as the raw material of Ti-containing steel, can also be added ferrochrome, manganese iron directly smelt at Wear resistant cast iron；
(5) liquid slag after reduction iron production high temperature eddy current stirring be directly added into regulation powder, through cooling, it is broken, air-cooled, Grinding can be directly becoming clinker, and tailings is entirely used for production clinker, and red mud utilization rate is up to 100%.
Detailed description of the invention
Fig. 1 is the method flow schematic diagram that the high titanium red mud of high-speed rail of the invention produces ferro-titanium by-product cement clinker.
Specific embodiment
The ingredient of clinker contains CaO 63~65%, SiO by mass percentage in the embodiment of the present invention220~22%, Al2O34~6%, Fe2O33~5%.
In titaniferous cast iron type antifriction alloy in the embodiment of the present invention by mass percentage contain Ti 1~10%, Cr 13~ 14%, Mn 1~1.5%.
Treated that iron red mud is a kind of patent of invention " consumption red mud for calcification-carbonizatin method in the embodiment of the present invention In method " (application number 201110275030.X), the dissolution slag that Bayer process red mud is formed through calcification, carbonization and molten aluminium, wherein calcium 160 DEG C of temperature of change, 120 DEG C of carburizing temperature, molten aluminium temperature 60 C.
Temperature in the embodiment of the present invention when raw material drying is 150~200 DEG C.
Vortex stirring reduction of the invention refers to a kind of method disclosed in invention " vortex stirring method for melting reduction iron making ", Related vortex stirring reduction high temperature furnace is the equipment that this method is.
A kind of vortex stirring method for melting reduction iron making of the invention is the patent application of publication number CN106435080A.
It is that calcareous raw material, siliceous raw material and/or ferriferous raw material is added that component is adjusted in the embodiment of the present invention.Calcareous raw material choosing With at least one of lime stone, carbide slag；Siliceous raw material selects kaolin, clay, flyash, at least one in mine tailings Kind；Ferriferous raw material selects at least one of iron red mud, scum, steel slag.
The present invention will be further described in detail below with reference to the embodiments.
Embodiment 1
(1) prepare raw material calcification-carbonizatin method treated high titanium red mud of high-speed rail, raw material TFe40% by mass percentage contains TiO210%, A/S=0.74；
(2) by mass percent≤1% of raw material drying to water, dehydrated raw material is obtained；By dehydrated raw material with it is solid carbonaceous Mixture is made in reducing agent and slag former mixing, and the directly swirl center of blowing to vortex stirring high temperature furnace, mixture is involved in In molten bath, 10min is restored in 1650 DEG C of progress vortex stirrings；The solid carbonaceous reducer is coking coal, solid carbonaceous reduction The molar ratio of Fe is 1.2 in the amount and raw material of agent, and slag former is CaO and CaF2Mixture, wherein CaO press mixture basicity For 1.4 additions, CaF2Account for the 10% of CaO gross mass:
(3) the titaniferous molten iron and liquid slag formed after restoring is layered, and carries out continuous overflow separation；To the titaniferous isolated Ferrochrome is added in molten iron and manganese iron is directly smelted into titaniferous cast iron type antifriction alloy, contains Ti 10%, Cr 13% by mass percentage, Mn 1%；The rate of recovery 63% of titanium, the rate of recovery 96% of iron；
(4) liquid slag isolated adjusts component in smelting furnace and complies with clinker requirement, then through being air-cooled to Room temperature, then clinker is made through broken and grinding；CaO, SiO in clinker2、Al2O3And Fe2O3Mass percent difference It is 65%, 22%, 4% and 3%.
Embodiment 2
(1) prepare raw material calcification-carbonizatin method treated high titanium red mud of high-speed rail, raw material TFe 20% by mass percentage, Containing TiO23%, A/S=0.2；
(2) by mass percent≤1% of raw material drying to water, dehydrated raw material is obtained；By dehydrated raw material with it is solid carbonaceous Mixture is made in reducing agent and slag former mixing, and the directly swirl center of blowing to vortex stirring high temperature furnace, mixture is involved in In molten bath, 60min is restored in 1460 DEG C of progress vortex stirrings；The solid carbonaceous reducer is coking coal, solid carbonaceous reduction The molar ratio of Fe is 1.3 in the amount and raw material of agent, and slag former is CaO and CaF2Mixture, wherein CaO press mixture basicity For 12 additions, CaF2Account for the 20% of CaO gross mass:
(3) the titaniferous molten iron and liquid slag formed after restoring is layered, and carries out continuous overflow separation；To the titaniferous isolated Ferrochrome is added in molten iron and manganese iron is directly smelted into titaniferous cast iron type antifriction alloy, contains Ti 1%, Cr 14% by mass percentage, Mn 1.5%；The rate of recovery 65% of titanium, the rate of recovery 96% of iron；
(4) liquid slag isolated adjusts component in smelting furnace and complies with clinker requirement, then through being air-cooled to Room temperature, then clinker is made through broken and grinding；CaO, SiO in clinker2、Al2O3And Fe2O3Mass percent difference It is 64%, 20%, 6% and 4%.
Embodiment 3
(1) prepare raw material calcification-carbonizatin method treated high titanium red mud of high-speed rail, raw material TFe 30% by mass percentage, Containing TiO25%, A/S 0.9；
(2) by mass percent≤1% of raw material drying to water, dehydrated raw material is obtained；By dehydrated raw material with it is solid carbonaceous Mixture is made in reducing agent and slag former mixing, and the directly swirl center of blowing to vortex stirring high temperature furnace, mixture is involved in In molten bath, 40min is restored in 1550 DEG C of progress vortex stirrings；The solid carbonaceous reducer is coking coal, solid carbonaceous reduction The molar ratio of Fe is 1.5 in the amount and raw material of agent, and slag former is CaO and CaF2Mixture, wherein CaO press mixture basicity For 1.0 additions, CaF2Account for the 30% of CaO gross mass:
(3) the titaniferous molten iron and liquid slag formed after restoring is layered, and carries out continuous overflow separation；To the titaniferous isolated Ferrochrome is added in molten iron and manganese iron is directly smelted into titaniferous cast iron type antifriction alloy, contains Ti 3%, Cr 14% by mass percentage, Mn 1%；The rate of recovery 66% of titanium, the rate of recovery 95% of iron；
(4) liquid slag isolated adjusts component in smelting furnace and complies with clinker requirement, then through being air-cooled to Room temperature, then clinker is made through broken and grinding；CaO, SiO in clinker2、Al2O3And Fe2O3Mass percent difference It is 63%, 21%, 5% and 5%.

Claims (3)

1. a kind of method of the high titanium red mud production ferro-titanium by-product cement clinker of high-speed rail, it is characterised in that according to the following steps into Row:
(1) prepare raw material calcification-carbonizatin method treated high titanium red mud of high-speed rail, raw material 20~40% TFe by mass percentage, Containing TiO23~10%, Al2O38~12%, SiO25~20%, Na2O 0.1~1.0%, H2O 5~20%；And Al2O3 With SiO2Mass ratio A/S=0.2~0.9；
(2) by mass percent≤1% of raw material drying to water, dehydrated raw material is obtained；By dehydrated raw material and solid carbonaceous reduction Mixture is made in agent and slag former mixing, and the directly swirl center of blowing to vortex stirring high temperature furnace, mixture is involved in molten bath In, 10~60min is restored in 1460~1650 DEG C of progress vortex stirrings；The solid carbonaceous reducer is coking coal, solid carbon The molar ratio of Fe is 1.2~1.5 in the amount and raw material of matter reducing agent, and slag former is CaO and CaF2Mixture, wherein CaO is pressed The basicity of mixture is 1.0~1.4 additions, CaF2Account for the 10~30% of CaO gross mass:
(3) the titaniferous molten iron and liquid slag formed after restoring is layered, and carries out continuous overflow separation；To the titaniferous molten iron isolated Ferrochrome is added and manganese iron is directly smelted into titaniferous cast iron type antifriction alloy；
(4) liquid slag isolated adjusts component in smelting furnace and complies with clinker requirement, then through being air-cooled to room temperature, Clinker is made through broken and grinding again.
2. a kind of method of the high titanium red mud production ferro-titanium by-product cement clinker of high-speed rail according to claim 1, special Sign be the calculation formula of the basicity by
In formula, mCaO is the mass percent of calcium oxide in mixed slurry, mA2lO3For the quality percentage of aluminium oxide in mixed slurry Number, mSiO2For the mass percent of mixed slurry silica, mTiO2For the mass percent of titanium oxide in mixed slurry.
3. a kind of method of the high titanium red mud production ferro-titanium by-product cement clinker of high-speed rail according to claim 1, special Sign is the rate of recovery >=60% of titanium, the rate of recovery >=95% of iron.
CN201910291206.7A 2019-04-11 2019-04-11 The method of the high titanium red mud production ferro-titanium by-product cement clinker of high-speed rail Pending CN110066922A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111847921A (en) * 2020-07-06 2020-10-30 广州大学 Low clinker cement and preparation method and application thereof
CN113174456A (en) * 2021-04-28 2021-07-27 东北大学 Comprehensive utilization method for smelting reduction of high-iron red mud by bottom-top combined blowing

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Publication number Priority date Publication date Assignee Title
US3989513A (en) * 1972-06-06 1976-11-02 Magyar Aluminiumipari Troszt Method for the treatment of red mud
CN102174664A (en) * 2010-11-24 2011-09-07 胡长春 Comprehensive utilization method of red mud coal-base rotary kiln method
CN102816880A (en) * 2012-08-17 2012-12-12 东北大学 Ironmaking and aluminum extraction comprehensive utilization method of high-iron red mud
CN102851425A (en) * 2012-08-17 2013-01-02 东北大学 Method for high-efficiency separation and comprehensive utilization of iron, aluminum and sodium in high-iron red mud
CN106435080A (en) * 2016-09-27 2017-02-22 东北大学 Eddy current stirring smelting reduction iron making method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989513A (en) * 1972-06-06 1976-11-02 Magyar Aluminiumipari Troszt Method for the treatment of red mud
CN102174664A (en) * 2010-11-24 2011-09-07 胡长春 Comprehensive utilization method of red mud coal-base rotary kiln method
CN102816880A (en) * 2012-08-17 2012-12-12 东北大学 Ironmaking and aluminum extraction comprehensive utilization method of high-iron red mud
CN102851425A (en) * 2012-08-17 2013-01-02 东北大学 Method for high-efficiency separation and comprehensive utilization of iron, aluminum and sodium in high-iron red mud
CN106435080A (en) * 2016-09-27 2017-02-22 东北大学 Eddy current stirring smelting reduction iron making method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111847921A (en) * 2020-07-06 2020-10-30 广州大学 Low clinker cement and preparation method and application thereof
CN111847921B (en) * 2020-07-06 2021-11-02 广州大学 Low clinker cement and preparation method and application thereof
CN113174456A (en) * 2021-04-28 2021-07-27 东北大学 Comprehensive utilization method for smelting reduction of high-iron red mud by bottom-top combined blowing

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