CN1078220A - The method that furnace phosphorus slag and blast-furnace cinder batching are produced clinker - Google Patents

The method that furnace phosphorus slag and blast-furnace cinder batching are produced clinker Download PDF

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CN1078220A
CN1078220A CN92103541A CN92103541A CN1078220A CN 1078220 A CN1078220 A CN 1078220A CN 92103541 A CN92103541 A CN 92103541A CN 92103541 A CN92103541 A CN 92103541A CN 1078220 A CN1078220 A CN 1078220A
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Prior art keywords
furnace
slag
blast
batching
clinker
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CN92103541A
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CN1044596C (en
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张仁寿
张晓玲
曾徽
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DESIGN AND RESEARCH INST OF ARCHITECTURAL MLATERIAL YUNNAN PROV
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DESIGN AND RESEARCH INST OF ARCHITECTURAL MLATERIAL YUNNAN PROV
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Publication of CN1078220A publication Critical patent/CN1078220A/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
    • C04B7/153—Mixtures thereof with other inorganic cementitious materials or other activators
    • C04B7/17—Mixtures thereof with other inorganic cementitious materials or other activators with calcium oxide containing activators
    • 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
    • C04B7/153—Mixtures thereof with other inorganic cementitious materials or other activators
    • C04B7/21—Mixtures thereof with other inorganic cementitious materials or other activators with calcium sulfate containing activators
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/2015—Sulfate 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
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The present invention relates to the production method of Portland clinker.
Method provided by the invention is to add electric furnace phosphoric slag and blast-furnace cinder batching whole (or part) replacement clay when raw meal proportioning, and the electric furnace phosphoric slag addition is with P in the raw material 2O 5Meter is controlled at 0.2～0.6%, the addition of blast-furnace cinder counts 5～20% with raw material weight, add lime stone and school iron material in the ingredients by weight ratio simultaneously, the KH value is controlled at 0.92～1.02, n value control 1.8～2.8, after the PROCESS FOR TREATMENT such as batching, grinding, balling-up, enter kiln and be sintered into clinker.

Description

The method that furnace phosphorus slag and blast-furnace cinder batching are produced clinker
The present invention relates to the production method of Portland clinker.
For a long time, blast-furnace slag and electric furnace phosphoric slag all are used as the active addition of cement.The former Soviet Union and China have also worked out national standard for this reason and specially.The patent application that my institute submits to " producing the method for special cement with electric furnace phosphoric slag " (application number: 91112661.9); the electric furnace phosphoric slag of adding 5～26% when raw meal proportioning has been proposed; instead of part Wingdale, part or all of clay; and add an amount of school iron material on request; through calcining making cement clinker, with the cement clinker and the gypsum that make, the granulation electric furnace phosphoric slag levigate method that forms the cement that serves many purposes jointly.A kind of usefulness " novel process of fechnology for direct conversion of blast furnace melting slag into cement clinker " is disclosed among the Chinese patent application GK87102197, it is with the mixing of blast furnace gas and heated and pressurized air after the pressurization and burns into 1500～1600 ℃ flue gas, with the kinetic energy high temperature two-phase flow that newly adds the raw material powder composition, direct winding-up molten blast furnace slag, make it become liquid vaporific, the pressed powder raw material under the turbulent flow attitude with vaporific slag uniform mixing, and generation silicate chemistry reaction, gather in centrifugal gathering in the reactor then, flue gas is separated with grog, and control and prolongation reaction times, make silicate reaction thorough, generate cement clinker.In above-mentioned two kinds of methods, when using phosphorous slag ingredient, as introducing P in the clinker 2O 5In the time of too much, with making the formation zone displacement to the right of belite phase, cause the minimizing of alite mineral, and belite is stabilized be α '-C 2S or α-C 2S reduces its hydration activity, P in clinker 2O 5When content reaches 2.5%, alite will disappear mutually.During the historical facts or anecdotes border produces, P in the wish control grog 2O 5Be 0.3～0.5% optimum value, except allocating electric furnace phosphoric slag into, still need and allocate the clay roughly the same with electric furnace phosphoric slag quantity into.Clay contains more crystallization SiO 2, burn-ability is poor; The oxo anion radical of sial that they and clay mineral-layered silicate are formed is very big, has increased liquid phase surface tension and viscosity, and the speed of reaction that clinker mineral is formed reduces; Clay shrinking percentage in dry and high-temp combustion process is all bigger, and in the liquid phase sintering of grog, sinter also is difficult for setting up the favorable rigidity skeleton structure.And can't implement in the cement plant with the technology of fechnology for direct conversion of blast furnace melting slag into cement clinker, implement also to increase great deal of investment in Metallurgical Factory, could realize implementing this technology.
The purpose of this invention is to provide a kind of with in the electric furnace phosphorous slag ingredient also with the blast-furnace cinder batching, the method for producing clinker with whole replacement clays.
Method provided by the invention is to add electric furnace phosphoric slag and blast-furnace cinder batching whole (or part) replacement clay when raw meal proportioning, and the electric furnace phosphoric slag addition is with P in the raw material 2O 5Meter is controlled at 0.2～0.6%, the addition of blast-furnace cinder counts 5～20% with raw material weight, add lime stone and school iron material in the ingredients by weight ratio simultaneously, the KH value is controlled at 0.92～1.02, n value control 1.8～2.8, after the PROCESS FOR TREATMENT such as batching, grinding, balling-up, enter kiln and be sintered into clinker.
The KH value of mentioning among the present invention and n value must be controlled at the scope of regulation, and be too high, and fCaO increases in the grog, crosses easy to form bulk in the low then kiln.Adopt production method of the present invention, when balling-up, pellet should be softer than the raw material ball of general clay ingredient, to increase the plastic deformation ability of pellet when moisture is sharply overflowed, also can add a small amount of plastic clay to improve pellet plasticity.With method incinerating cement clinker of the present invention, it is low to have a fCaO, intensity height, coal charge consumption characteristics seldom.
Discharge and through the waste residue of Water Quenching when the electric furnace phosphoric slag of mentioning in the method for the invention refers to electric furnace sublimed method phosphorus processed, main chemical compositions is CaO and SiO 2, and contain a small amount of Al 2O 3, Fe 2O 3, MgO, P 2O 5, F -, the essential mineral composition is pseudowollastonite, (α-CaSiO 2) and cuspidine (3CaO2SiO 2CaF 2).The waste residue through Water Quenching of discharging when the blast-furnace slag of being mentioned is meant with blast furnace or the ironmaking of cupola furnace reduction method.Main chemical compositions is CaO, SiO 2And Al 2O 3, also contain a small amount of Fe 2O 3MgO, main chemical compositions is calcium aluminum scapolite (2CaOAl 2O 3SiO 2), anorthite (CaOAl 2O 3, 2SiO 2), silicoglaserite (3CaO2SiO 2), dicalcium silicate (2CaOSiO 2) and wollastonite (CaOSiO 2).Except the ordinary blast slag, available high-titanium slag also, high manganese mud and high fluorine slag and the electric furnace phosphoric slag production clinker of jointly preparing burden.The contained TiO of high-titanium slag 2Answer≤15%; High manganese mud MnO≤15%, high fluorine slag contains CaF 2≤ 20%, when adopting furnace phosphorus slag to do raw material component with above-mentioned high-titanium slag or high manganese mud or high fluorine slag batching respectively, should control TiO in the grog 2≤ 0.5%, the highest must not be greater than 1.0%, MnO≤1.0%, the highest must not be greater than 2.0%, CaF 2≤ 1.0%, the highest must not be greater than 2.0%.
With electric furnace phosphoric slag and blast-furnace cinder jointly as furnish component, can the replacing whole clay, and the more single furnace phosphorus slag of use, alternative more lime stone during batching, forming heat of clinker further reduces, burnability of raw material thoroughly improves, in addition P 2O 5And F -Compound mineralization and P 2O 5To β-C 2The good foundation of the stabilization of S and sinter rigid-skeleton when liquid-phase sintering can make the calcining of clinker realize high-quality, low consumption, high yield.Simultaneously, use production method of the present invention, can improve the efficient of dryer; The output of raw mill and cement mill is corresponding improve also.
Embodiment:
Figure 921035411_IMG1
Figure 921035411_IMG2

Claims (3)

1, the method for a kind of furnace phosphorus slag and blast-furnace cinder batching production clinker is characterized in that adding electric furnace phosphoric slag when raw meal proportioning and blast-furnace cinder batching whole (or part) replaces clay, and the electric furnace phosphoric slag addition is with P in the raw material 2O 5Meter is controlled at 0.2～0.6%, the addition of blast-furnace cinder counts 5～20% with raw material weight, add lime stone and school iron material in the ingredients by weight ratio simultaneously, the KH value is controlled at 0.92～1.02, n value control 1.8～2.8, after the PROCESS FOR TREATMENT such as batching, grinding, balling-up, enter kiln and be sintered into clinker.
2, method according to claim 1 is characterized in that described electric furnace phosphoric slag is the electric furnace phosphoric slag after Water Quenching.
3, method according to claim 1 is characterized in that discharging when described blast-furnace slag is the ironmaking of blast furnace or cupola furnace reduction method and through the waste residue of Water Quenching, comprises ordinary blast slag and high-titanium slag, high manganese mud, high fluorine slag.
CN92103541A 1992-05-07 1992-05-07 Prodn. method for cement clinker by making use of electric furnace phosphorus slag and blast furnace slag Expired - Fee Related CN1044596C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN92103541A CN1044596C (en) 1992-05-07 1992-05-07 Prodn. method for cement clinker by making use of electric furnace phosphorus slag and blast furnace slag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN92103541A CN1044596C (en) 1992-05-07 1992-05-07 Prodn. method for cement clinker by making use of electric furnace phosphorus slag and blast furnace slag

Publications (2)

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CN1078220A true CN1078220A (en) 1993-11-10
CN1044596C CN1044596C (en) 1999-08-11

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1047580C (en) * 1996-11-06 1999-12-22 张怀连 Prodn. method of cement
CN103601379A (en) * 2013-11-15 2014-02-26 武汉理工大学 Phase-separated clinker calcination process for outside-thrown high-calcium granulated slag
JP5900808B1 (en) * 2014-11-13 2016-04-06 住友大阪セメント株式会社 Cement clinker and cement composition
CN106396436A (en) * 2015-07-28 2017-02-15 武汉科技大学 Method for modifying steel-slag water-washed dust slime into cement clinker
CN106587676A (en) * 2016-12-12 2017-04-26 攀枝花环业冶金渣开发有限责任公司 Method for preparing cement clinker ingredients from high Ti-bearing blast furnace slag

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1008728B (en) * 1987-12-02 1990-07-11 水利电力部长江流域规划办公室长江科学院 Low clinker phosphorous residue cement and its technology method
CN1042342A (en) * 1988-11-04 1990-05-23 重庆建筑工程学院 Prescription with mixed cement material from phosphorus slag
CN1019664B (en) * 1990-04-05 1992-12-30 北京矿冶研究总院 White cement made of phosphorus slag and steel slag

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1047580C (en) * 1996-11-06 1999-12-22 张怀连 Prodn. method of cement
CN103601379A (en) * 2013-11-15 2014-02-26 武汉理工大学 Phase-separated clinker calcination process for outside-thrown high-calcium granulated slag
CN103601379B (en) * 2013-11-15 2015-09-30 武汉理工大学 A kind of outer high calcium slag sand of throwing calcines phase-splitting grog technique
JP5900808B1 (en) * 2014-11-13 2016-04-06 住友大阪セメント株式会社 Cement clinker and cement composition
JP2016094312A (en) * 2014-11-13 2016-05-26 住友大阪セメント株式会社 Cement clinker and cement composition
CN106396436A (en) * 2015-07-28 2017-02-15 武汉科技大学 Method for modifying steel-slag water-washed dust slime into cement clinker
CN106587676A (en) * 2016-12-12 2017-04-26 攀枝花环业冶金渣开发有限责任公司 Method for preparing cement clinker ingredients from high Ti-bearing blast furnace slag

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C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
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