CN103342538A - Method for producing microcrystalline cast stone by reducing secondary slag subjected to iron removal by utilizing molten-state nickel slag - Google Patents

Method for producing microcrystalline cast stone by reducing secondary slag subjected to iron removal by utilizing molten-state nickel slag Download PDF

Info

Publication number
CN103342538A
CN103342538A CN2013102674822A CN201310267482A CN103342538A CN 103342538 A CN103342538 A CN 103342538A CN 2013102674822 A CN2013102674822 A CN 2013102674822A CN 201310267482 A CN201310267482 A CN 201310267482A CN 103342538 A CN103342538 A CN 103342538A
Authority
CN
China
Prior art keywords
slag
iron
behind
content
quality
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
Application number
CN2013102674822A
Other languages
Chinese (zh)
Other versions
CN103342538B (en
Inventor
杨志强
倪文
高术杰
刘玉强
马永峰
吕清华
杨鸿�
朱纪念
樊昱
张思奇
张福利
刘晓圣
王长龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinchuan Group Co Ltd
University of Science and Technology Beijing USTB
Original Assignee
Jinchuan Group Co Ltd
University of Science and Technology Beijing USTB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jinchuan Group Co Ltd, University of Science and Technology Beijing USTB filed Critical Jinchuan Group Co Ltd
Priority to CN201310267482.2A priority Critical patent/CN103342538B/en
Publication of CN103342538A publication Critical patent/CN103342538A/en
Application granted granted Critical
Publication of CN103342538B publication Critical patent/CN103342538B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • Manufacture And Refinement Of Metals (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Glass Compositions (AREA)

Abstract

The invention discloses a method for performing molten-state tempering on secondary slag subjected to iron removal by directly utilizing molten-state nickel slag and directly producing microcrystalline cast stone. The method comprises the following steps of: reducing the secondary slag subjected to iron removal by the molten-state nickel slag, directly discharging the slag into an electric heating equalizing basin in a hot charging mode, adding a component regulator, a clarifying agent and a nucleating agent, keeping the temperature at the process temperature of not less than 1,450 DEG C, and removing the produced dross and bubbles during the temperature keeping period, so that the materials are fully clarified and are equalized into molten mass; performing casting molding when the viscosity of the melt is 10-100Pa.s; performing microcrystalline treatment on the molded object at the nucleating temperature of 630-800 DEG C, and keeping the temperature of 0.5-3 hours, wherein the temperature rise rate is 5-10 DEG C per minute, the crystallization temperature is 900-1,000 DEG C, maintaining the temperature for 0.5-3 hours, wherein the cooling rate is 5-10 DEG C per minute, or performing furnace cooling to obtain industrial microcrystalline cast stone.

Description

Utilize melt nickel slag reduction to put forward the method that secondary slag behind the iron is produced the crystallite cast stone
Technical field
The invention belongs to the comprehensive utilization of resources field, particularly a kind of direct method of utilizing after iron is carried in the reduction of melt nickel slag of crystallite cast stone for preparing in the modified back of secondary slag melt.
Background technology
Jinchuan Nickel concentrate iron content 35%～41%, wherein 98% iron enters slag in the nickel fusion process.According to estimates, company's annual nickel smelting system common property goes out 1,600,000 tons of nickel slags, contains 3428 tons in nickel, 3883 tons of copper, 1510 tons of cobalts, 675783 tons of iron.The grade of iron about 42% in the nickel slag.Jinchuan company utilizes flash stove nickel slag to be raw material, and the production line that the nickel melting slag takes the hot-loading and hot-conveying mode to reduce to carry iron to produce steel alloy has been realized small-scale production.But when generating the melt iron alloy, most of melt slag can be discharged with the form of secondary slag.Though this production technique can reclaim a large amount of metallic irons, a large amount of sensible heats that contain in the melt slag still cause the waste of the energy and resource if can not take full advantage of.
Iron accounts for 5,700 ten thousand tons in Jinchuan group company ore resource reserves, and cold slag accumulative total iron reserves account for 1,417 ten thousand tons, and iron level is 67.6 ten thousand tons in the annual output melting slag.Chinese patent CN 1683265A discloses a kind of processing method of producing devitrified glass or cast stone with the iron containing metallurgical waste residue.This processing method has proposed to utilize the iron containing metallurgical waste residue to extract iron, simultaneously the secondary slag is made devitrified glass or cast stone as high-abrasive material.But this technology is that cold slag is carried iron, needs a temperature-rise period that consumes a large amount of energy; And in this processing method, using reductive agent such as SiC, ferrosilicon, ferrotianium etc., the price height has caused the high problem of iron containing metallurgical waste residue processing cost.Chinese patent CN 101020968A discloses and has a kind ofly utilized high temperature nickel smelting slag reduction to carry iron and utilize nickel smelting slag to produce the processing method of devitrified glass.This processing method has not only been extracted most of metallic iron in the melt nickel slag, and iron level only is 0.01%～1% in the secondary slag, and takes full advantage of the sensible heat in the melting slag, the secondary slag is prepared into the devitrified glass of high added value.But this iron-extracting process is to the equipment requirements height, and early investment is bigger, and large-scale production may face bigger economic risk.Simultaneously, this technology secondary slag mainly prepares the architectural decoration devitrified glass, is not the crystallite cast stone that has antiwear characteristic in the industry.
Periodical International journal of minerals, metallurgy and materials discloses the outstanding nickel slag-blast-furnace slag preparation decoration test-results of devitrified glass of utilizing among the king of University of Science ﹠ Technology, Beijing 2011 18 4 phases of volume.Blast-furnace slag and nickel slag are according to the mixed of 3:1～4:1, and the heat treating regime through certain makes the architectural decoration devitrified glass.Its Specifeca tion speeification all is better than the building material industry standard performance perameter.But this nickel slag belongs to high ferro nickel slag, does not handle through carrying iron.
Summary of the invention
The objective of the invention is at the not enough of prior art or further adapt to industrialization production, proposed a kind of method of directly utilizing the reduction of melt nickel slag to propose the modified back of the secondary slag melt direct production crystallite cast stone behind the iron.
For reaching above-mentioned technique effect, the present invention adopts following technical scheme.
A kind of secondary slag that utilizes melt nickel slag reduction to carry behind the iron prepares the method for crystallite cast stone, comprises the steps:
(1) the secondary slag of melt nickel slag reduction being carried behind the iron directly enters the electric heating balancing reservoir in the mode of hot charging, and adds composition conditioning agent, finings and nucleator; Described composition conditioning agent is silica sand, Wingdale and bauxitic clay; Described finings is sodium nitre, technical grade weisspiessglanz; Described nucleator is chromoxide green, zircon sand.
(2) after adding composition conditioning agent, finings and nucleator, be higher than under 1450 ℃ the processing condition of melt temperature and be incubated, in 0.5h, remove a large amount of scum silica frost and the bubble of generation in the process, in 0.5～3h, remove bubble by physical agitation, make the secondary slag fully clarify, all change into molten mass by physical agitation.
(4) the molten mass viscosity is 10～100 handkerchiefs during second in the step (3), implements cast molding.
(5) forming composition is carried out micritization and handle, 630～800 ℃ of nucleation temperatures, insulation 0.5～3h, temperature rise rate is 5～10 ℃/min; Crystallization temperature is 900～1000 ℃, and rate of temperature fall is 5～10 ℃/min or furnace cooling behind insulation 0.5～3h, obtains industrial crystallite cast stone.
Preferably, silica sand accounts for melt nickel slag reduction and puies forward 0.1%～10% of secondary slag quality behind the iron in the described composition conditioning agent, Wingdale accounts for melt nickel slag reduction and puies forward 0.1%～10% of secondary slag quality behind the iron, and bauxitic clay accounts for the reduction of melt nickel slag and puies forward 0.1%～10% of secondary slag quality behind the iron; Sodium nitre accounts for melt nickel slag reduction and puies forward 0.1%～2% of secondary slag quality behind the iron in the described finings, the technical grade weisspiessglanz accounts for melt nickel slag reduction and puies forward 0.1%～2% of secondary slag quality behind the iron, chromoxide green accounts for the secondary slag quality 0.1%～2% after iron is carried in the reduction of melt nickel slag in the described nucleus agent, and zircon sand accounts for the secondary slag quality 0.1%～2% after iron is carried in the reduction of melt nickel slag.
Preferably, the reduction of described melt nickel slag is put forward the main chemical compositions mass percent of the secondary slag behind the iron and is: SiO 230%～50%, Al 2O 33%～10%, CaO 10%～30%, and MgO 10%～40%, Fe 2O 31%～10%, Cr 2O 3And K 2O 1%～5%, and surplus is impurity.
Preferably, described silica sand as the conditioning agent composition, its specification of quality is: SiO 2Content 99.0%～99.9%; As the Wingdale of conditioning agent composition, its specification of quality is: CaO content 50%～56%, Fe 2O 3Content 0%～0.15%; As the bauxitic clay of conditioning agent composition, its specification of quality is: Al 2O 3Content is 60%～73%, Fe 2O 3Content 0%～3%.
Preferably, described sodium nitre as the finings composition, its specification of quality is: NaNO 3Content 98.3%～99.9%, Fe 2O 3Content 0%～0.01%, NaCl content 0%～0.01%; As the technical grade weisspiessglanz of finings composition, its specification of quality is: Sb 2O 3Content 98.0%～99.8%, NaCl content 0%～0.2%.
Preferably, described chromoxide green as the nucleator composition, its specification of quality is: Cr 2O 3Content 98.0%～99.8%; As the zircon sand of nucleator composition, its specification of quality is: ZrO 2Content 60.0%～67.1%.
Beneficial effect of the present invention:
The invention provides and a kind ofly utilize melt nickel slag reduction to put forward the method that secondary slag behind the iron is produced the crystallite cast stone, secondary slag recycling behind the iron is put forward in melt nickel slag reduction, be not used as and produce the melt iron alloy, avoid to take full advantage of a large amount of sensible heats in the melt slag, avoided the waste of Energy resources, simultaneously too high starting material of use cost not in the technology of the present invention reduce cost as far as possible, the crystallite cast stone quality of producing is very high, has the very strong market competitiveness.
Embodiment
Embodiment 1
(1) melt nickel slag reduction is put forward the mass percent of the main chemical compositions of the secondary slag behind the iron and is: SiO 243.47%, MgO 21.55%, and CaO 17.4%, Fe 2O 37.4%, Al 2O 36.94%, Cr 2O 31.33%, K 2O 0.58%, and surplus is impurity; As the silica sand of composition conditioning agent, SiO 2Content is 99.0%; As the Wingdale of composition conditioning agent, CaO content is 50%, Fe 2O 3Content is 0.1%; As the bauxitic clay of composition conditioning agent, Al 2O 3Content is 67%, Fe 2O 3Content is 1%; As the sodium nitre of finings, NaNO 3Content is 99.5%, Fe 2O 3Content is 0.005%; As the technical grade weisspiessglanz of finings, Sb 2O 3Content is 99.0%; As the zircon sand of nucleator, ZrO 2Content is 65.0%.
(2) the secondary slag of melt nickel slag reduction being carried behind the iron directly enters the electric heating balancing reservoir in the mode of hot charging, and adds composition conditioning agent silica sand, Wingdale and bauxitic clay, finings sodium nitre and technical grade weisspiessglanz and the nucleator zircon sand is incubated 1.5h altogether at 1450 ℃.
(3) add admixtures such as composition conditioning agent, finings and nucleator in the secondary slag and can produce a large amount of scum silica frost, the 0.2h after adding admixture in the insulating process utilizes baffle plate that the scum silica frost on the secondary slag is removed.
(4) the secondary slag that adds after the admixture can produce a large amount of bubbles, and the 0.2h after adding admixture in the insulating process together removes bubble when utilizing baffle plate to remove on the secondary slag scum silica frost; 1.2h after adding admixture in the insulating process removes bubble by physical agitation, makes the secondary slag fully clarify, all change into molten mass by physical agitation.
(5) the secondary slag viscosity after adding admixture is 50 handkerchiefs during second, implements cast molding.
(6) forming composition is carried out micritization and handle, 780 ℃ of nucleation temperatures, insulation 1h, temperature rise rate is 5 ℃/min; Crystallization temperature is 980 ℃, and furnace cooling behind the insulation 1h obtains industrial crystallite cast stone.
(7) the recorded chemical ingredients of above-mentioned prepared crystallite cast stone consists of: SiO 246.24%, MgO 11.52%, and CaO 12.6%, Fe 2O 35.42%, Al 2O 319.7%, Cr 2O 30.62%, K 2O 0.49%, Na 2O 0.96%, TiO 20.42%, ZrO 20.5%, Sb 2O 30.35%.
  
The main performance index of crystallite cast stone among table 1 embodiment 1
Performance Wear loss g/cm 2 Impelling strength KJ/m 2 Flexural strength MPa Compressive strength MPa Sulphuric acid soln (20%cm/m) Sodium hydroxide solution (20%cm/m)
Index 0.024 2.82 115 990 99.2 99.2
Embodiment 2
(1) melt nickel slag reduction is put forward the mass percent of the main chemical compositions of the secondary slag behind the iron and is: SiO 243.47%, MgO 21.55%, and CaO 17.4%, Fe 2O 37.4%, Al 2O 36.94%, Cr 2O 31.33%, K 2O 0.58%, and surplus is impurity; As the silica sand of composition conditioning agent, SiO 2Content is 99.0%; As the Wingdale of composition conditioning agent, CaO content is 50%, Fe 2O 3Content is 0.1%; As the bauxitic clay of composition conditioning agent, Al 2O 3Content is 67%, Fe 2O 3Content is 1%; As the sodium nitre of finings, NaNO3 content is 99.0%, Fe 2O 3Content is 0.005%.
(2) the secondary slag of melt nickel slag reduction being carried behind the iron directly enters the electric heating balancing reservoir in the mode of hot charging, and adds composition conditioning agent silica sand, Wingdale and bauxitic clay, finings sodium nitre and be incubated 2.5h altogether at 1450 ℃.
(3) add admixtures such as composition conditioning agent, finings in the secondary slag and can produce a large amount of scum silica frost, the 0.2h after adding admixture in the insulating process utilizes baffle plate that the scum silica frost on the secondary slag is removed.
(4) the secondary slag that adds after the admixture can produce a large amount of bubbles, and the 0.5h after adding admixture in the insulating process together removes bubble when utilizing baffle plate to remove on the secondary slag scum silica frost; 2.2h after adding admixture in the insulating process removes bubble by physical agitation, makes the secondary slag fully clarify, all change into molten mass by physical agitation.
(5) the secondary slag viscosity after adding admixture is 30 handkerchiefs during second, implements cast molding.
(6) forming composition is carried out micritization and handle, 730 ℃ of nucleation temperatures, insulation 0.5h, temperature rise rate is 5 ℃/min; Crystallization temperature is 960 ℃, insulation 0.5h, and 5 ℃/min of rate of temperature fall obtains industrial crystallite cast stone.
(7) the recorded chemical ingredients of above-mentioned prepared crystallite cast stone consists of SiO 248.85%, MgO 9.63%, and CaO 16.06%, Fe 2O 33.21%, Al 2O 319.12%, K 2O 0.48%, Na 2O 0.68%, TiO 20.39%, Cr 2O 30.57%.
The main performance index of crystallite cast stone among table 2 embodiment 2
Performance Wear loss g/cm 2 Impelling strength KJ/m 2 Flexural strength MPa Compressive strength MPa Sulphuric acid soln (20%cm/m) Sodium hydroxide solution (20%cm/m)
Index 0.09 2.04 99.3 840 98.0 98.5
Embodiment 3
(1) melt nickel slag reduction is put forward the mass percent of the main chemical compositions of the secondary slag behind the iron and is: SiO 247.4%, MgO 10.44%, and CaO 26.4%, Fe 2O 35.54%, Al 2O 36.34%, Na 2O 0.38%, K 2O 0.73%, and surplus is impurity; As the silica sand of composition conditioning agent, SiO 2Content is 99.0%; As the Wingdale of composition conditioning agent, CaO content is 50%, Fe 2O 3Content is 0.1%; As the bauxitic clay of composition conditioning agent, Al 2O 3Content is that 67%, Fe2O3 content is 1%; As the sodium nitre of finings, NaNO3 content is 99.0%, Fe 2O 3Content is 0.005%; As the technical grade weisspiessglanz of finings, Sb2O3 content is 99.0%; As the nucleus agent chromoxide green of crystallite cast stone, Cr 2O 3Content is 99.2%; As the zircon sand of nucleus agent, ZrO 2Content is 65.0%.
(2) the secondary slag of melt nickel slag reduction being carried behind the iron directly enters the electric heating balancing reservoir in the mode of hot charging, and adds composition conditioning agent silica sand, Wingdale and bauxitic clay, finings sodium nitre and technical grade weisspiessglanz and nucleator chromoxide green and zircon sand and be incubated 2h altogether at 1450 ℃.
(3) add admixtures such as composition conditioning agent, finings and nucleator in the secondary slag and can produce a large amount of scum silica frost, the 0.2h after adding admixture in the insulating process utilizes baffle plate that the scum silica frost on the secondary slag is removed.
(4) the secondary slag that adds after the admixture can produce a large amount of bubbles, and the 0.2h after adding admixture in the insulating process together removes bubble when utilizing baffle plate to remove on the secondary slag scum silica frost; 1.5h after adding admixture in the insulating process removes bubble by physical agitation, makes the secondary slag fully clarify, all change into molten mass by physical agitation.
(5) the secondary slag viscosity after adding admixture is 85 handkerchiefs during second, implements cast molding.
(6) forming composition is carried out micritization and handle, 680 ℃ of nucleation temperatures, insulation 0.75h, temperature rise rate is 8 ℃/min; Crystallization temperature is 950 ℃, insulation 1h, and 10 ℃/min of rate of temperature fall obtains industrial crystallite cast stone.
(7) the recorded chemical ingredients of above-mentioned prepared crystallite cast stone consists of SiO 246.24%, MgO 11.52%, and CaO 12.6%, Fe 2O 35.42%, Al 2O 319.7%, Cr 2O 30.62%, K 2O 0.49%, Na 2O 0.96%, TiO 20.42%, ZrO 20.5%, Sb 2O 30.35%.
The main performance index of crystallite cast stone among table 3 embodiment 3
Performance Wear loss g/cm 2 Impelling strength KJ/m 2 Flexural strength MPa Compressive strength MPa Sulphuric acid soln (20%cm/m) Sodium hydroxide solution (20%cm/m)
Index 0.04 2.54 96.6 927 98.5 99.5
Above-mentioned 3 embodiment are used for understanding specific implementation process of the present invention, should be noted that, by repeatedly experimental verification, in step, add composition conditioning agent, finings and nucleator afterwards in the 0.5h in the insulating process, remove a large amount of scum silica frost and the bubble of generation, in 0.5～3h, remove bubble by physical agitation, by physical agitation the secondary slag is fully clarified, technological temperature keeps more than 1450 ℃ in this time, and material homogenizer becomes molten mass to finish.Be 10～100 handkerchiefs during second at the molten mass viscosity, implement cast molding, quality product can have raising with the viscosity increase, but should not surpass for 100 handkerchief seconds.When forming composition is carried out the micritization processing, 630～800 ℃ of nucleation temperatures, insulation 0.5～3h, temperature rise rate is 5～10 ℃/min; Crystallization temperature is 900～1000 ℃, and rate of temperature fall is 5～10 ℃/min or furnace cooling behind insulation 0.5～3h, obtains industrial crystallite cast stone.The product quality that processing parameter obtains when changing in described scope is better, and what exceed that parameter area provided by the invention has also can obtain product, but quality product or production cost can be higher, generally should not adopt.
Reduction is put forward the main chemical compositions mass percent of the secondary slag behind the iron and is as the melt nickel slag of raw material: SiO 230%～50%, Al 2O 33%～10%, CaO 10%～30%, and MgO 10%～40%, Fe 2O 31%～10%, other are 0%～5% years old.Each set of dispense has the part composition once in a while slightly to exceed, but does not find the situation that method provided by the present invention can not be suitable in the specific operation process than generally fluctuating in these scopes.
In the conditioning agent that adds the addition of silica sand composition be after iron is carried in the reduction of melt nickel slag secondary slag quality 0.1%～10%, Wingdale accounts for melt nickel slag reduction and puies forward 0.1%～10% of secondary slag quality behind the iron, and bauxitic clay accounts for the reduction of melt nickel slag and puies forward 0.1%～10% of secondary slag quality behind the iron; Sodium nitre accounts for melt nickel slag reduction and puies forward 0.1%～2% of secondary slag quality behind the iron in the finings, the technical grade weisspiessglanz accounts for melt nickel slag reduction and puies forward 0.1%～2% of secondary slag quality behind the iron, chromoxide green accounts for the secondary slag quality 0.1%～2% after iron is carried in the reduction of melt nickel slag in the nucleus agent, and zircon sand accounts for the secondary slag quality 0.1%～2% after iron is carried in the reduction of melt nickel slag.
In order to control the quality of the finished product, part material and added ingredients have been done quality requirements, specific as follows: as the silica sand of conditioning agent composition, its specification of quality is: SiO 2Content 99.0%～99.9%; As the Wingdale of conditioning agent composition, its specification of quality is: CaO content 50%～56%, Fe 2O 3Content 0%～0.15%; As the bauxitic clay of conditioning agent composition, its specification of quality is: Al 2O 3Content is 60%～73%, Fe 2O 3Content 0%～3%.As the sodium nitre of finings composition, its specification of quality is: NaNO 3Content 98.3%～99.9%, Fe 2O 3Content 0%～0.01%, NaCl content 0%～0.01%; As the technical grade weisspiessglanz of finings composition, its specification of quality is: Sb 2O 3Content 98.0%～99.8%, NaCl content 0%～0.2%.As the chromoxide green of nucleator composition, its specification of quality is: Cr 2O 3Content 98.0%～99.8%; As the zircon sand of nucleator composition, its specification of quality is: ZrO 2Content 60.0%～67.1%.
Above-described only is preferred embodiment of the present invention.Should be understood that for the person of ordinary skill of the art, under technology enlightenment provided by the present invention, as the common practise of this area, can also make other equivalent modifications and improvement, also should be considered as protection scope of the present invention.

Claims (8)

1. one kind is utilized melt nickel slag reduction to put forward the method that secondary slag behind the iron is produced the crystallite cast stone, it is characterized in that: described method comprises: the secondary slag that melt nickel slag reduction is carried behind the iron directly enters the electric heating balancing reservoir in the mode of hot charging, and add composition conditioning agent silica sand, Wingdale and bauxitic clay, finings sodium nitre, technical grade weisspiessglanz and nucleator chromoxide green, zircon sand, be incubated being not less than under 1450 ℃ the technological temperature, remove scum silica frost and the bubble that produces between soak, material is fully clarified, all changed into molten mass; When the molten mass viscosity is 10～100 handkerchiefs during second, implement cast molding; Forming composition is carried out micritization handle 630～800 ℃ of nucleation temperatures; Crystallization temperature is 900～1000 ℃, obtains industrial crystallite cast stone behind cooling or the furnace cooling.
2. a kind ofly utilize melt nickel slag reduction to put forward the method that secondary slag behind the iron is produced the crystallite cast stone according to claim 1 is described, it is characterized in that: in the described heat preservation method after adding composition conditioning agent, finings and nucleator, 0.5h in remove a large amount of scum silica frost and the bubble of generation, in 0.5～3h, remove bubble by physical agitation, make the secondary slag fully clarify, all change into molten mass by physical agitation.
3. a kind ofly utilize melt nickel slag reduction to put forward the method that secondary slag behind the iron is produced the crystallite cast stone according to claim 1 is described, it is characterized in that: during described micritization is handled, 630～800 ℃ of nucleation temperatures, insulation 0.5～3h, temperature rise rate is 5～10 ℃/min; Crystallization temperature is 900～1000 ℃, and rate of temperature fall is 5～10 ℃/min or furnace cooling behind insulation 0.5～3h, obtains industrial crystallite cast stone.
4. a kind ofly utilize melt nickel slag reduction to put forward the method that secondary slag behind the iron is produced the crystallite cast stone according to claim 1 is described, it is characterized in that: the main chemical compositions mass percent that the secondary slag behind the iron is carried in described melt nickel slag reduction is: SiO 230%～50%, Al 2O 33%～10%, CaO 10%～30%, and MgO 10%～40%, Fe 2O 31%～10%, Cr 2O 3And K 2O 1%～5%, and surplus is impurity.
5. a kind ofly utilize melt nickel slag reduction to put forward the method that secondary slag behind the iron is produced the crystallite cast stone according to claim 1 is described, it is characterized in that: described silica sand as the conditioning agent composition, its specification of quality is: SiO 2Content 99.0%～99.9%; As the Wingdale of conditioning agent composition, its specification of quality is: CaO content 50%～56%, Fe 2O 3Content 0%～0.15%; As the bauxitic clay of conditioning agent composition, its specification of quality is: Al 2O 3Content is 60%～73%, Fe 2O 3Content 0%～3%.
6. a kind ofly utilize melt nickel slag reduction to put forward the method that secondary slag behind the iron is produced the crystallite cast stone according to claim 1 is described, it is characterized in that: described sodium nitre as the finings composition, its specification of quality is: NaNO 3Content 98.3%～99.9%, Fe 2O 3Content 0%～0.01%, NaCl content 0%～0.01%; As the technical grade weisspiessglanz of finings composition, its specification of quality is: Sb 2O 3Content 98.0%～99.8%, NaCl content 0%～0.2%.
7. a kind ofly utilize melt nickel slag reduction to put forward the method that secondary slag behind the iron is produced the crystallite cast stone according to claim 1 is described, it is characterized in that: described chromoxide green as the nucleator composition, its specification of quality is: Cr 2O 3Content 98.0%～99.8%; As the zircon sand of nucleator composition, its specification of quality is: ZrO 2Content 60.0%～67.1%.
8. utilize melt nickel slag reduction to put forward the method that secondary slag behind the iron is produced the crystallite cast stone according to described any one of claim 1 to 7, it is characterized in that: silica sand accounts for melt nickel slag reduction and puies forward 0.1%～10% of secondary slag quality behind the iron in the described composition conditioning agent, Wingdale accounts for melt nickel slag reduction and puies forward 0.1%～10% of secondary slag quality behind the iron, and bauxitic clay accounts for the reduction of melt nickel slag and puies forward 0.1%～10% of secondary slag quality behind the iron; Sodium nitre accounts for melt nickel slag reduction and puies forward 0.1%～2% of secondary slag quality behind the iron in the described finings, the technical grade weisspiessglanz accounts for melt nickel slag reduction and puies forward 0.1%～2% of secondary slag quality behind the iron, chromoxide green accounts for melt nickel slag reduction and puies forward 0.1%～2% of secondary slag quality behind the iron in the described nucleus agent, and zircon sand accounts for the reduction of melt nickel slag and puies forward 0.1%～2% of secondary slag quality behind the iron.
CN201310267482.2A 2013-06-30 2013-06-30 Method for producing microcrystalline cast stone by reducing secondary slag subjected to iron removal by utilizing molten-state nickel slag Active CN103342538B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310267482.2A CN103342538B (en) 2013-06-30 2013-06-30 Method for producing microcrystalline cast stone by reducing secondary slag subjected to iron removal by utilizing molten-state nickel slag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310267482.2A CN103342538B (en) 2013-06-30 2013-06-30 Method for producing microcrystalline cast stone by reducing secondary slag subjected to iron removal by utilizing molten-state nickel slag

Publications (2)

Publication Number Publication Date
CN103342538A true CN103342538A (en) 2013-10-09
CN103342538B CN103342538B (en) 2015-02-18

Family

ID=49277380

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310267482.2A Active CN103342538B (en) 2013-06-30 2013-06-30 Method for producing microcrystalline cast stone by reducing secondary slag subjected to iron removal by utilizing molten-state nickel slag

Country Status (1)

Country Link
CN (1) CN103342538B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103553557A (en) * 2013-11-05 2014-02-05 北京科技大学 Continuous casting calendering process method and device for producing cast stones by using blast furnace slag
CN103601377A (en) * 2013-11-05 2014-02-26 北京科技大学 Temperature-controllable mold casting process method and equipment for producing cast stone through blast furnace slag
CN109095779A (en) * 2018-10-09 2018-12-28 交城义望铁合金有限责任公司 A method of crystallite stone material or road dental calculus are prepared using high calcium liquid manganese slag
CN110627474A (en) * 2019-10-28 2019-12-31 安阳金方冶金有限公司 Method for preparing artificial volcanic rock by utilizing liquid refined manganese slag
CN112209638A (en) * 2020-09-30 2021-01-12 北京科技大学 Method for preparing artificial stone by using iron-containing slag obtained by pyrometallurgy
CN114956777A (en) * 2022-06-09 2022-08-30 山东新智能源科技有限公司 Mineral melting direct casting crystallization micropore stone forming process

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101020968A (en) * 2006-12-29 2007-08-22 金川集团有限公司 Process of comprehensively utilizing high temperature nickel smelting slag

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101020968A (en) * 2006-12-29 2007-08-22 金川集团有限公司 Process of comprehensively utilizing high temperature nickel smelting slag

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103553557A (en) * 2013-11-05 2014-02-05 北京科技大学 Continuous casting calendering process method and device for producing cast stones by using blast furnace slag
CN103601377A (en) * 2013-11-05 2014-02-26 北京科技大学 Temperature-controllable mold casting process method and equipment for producing cast stone through blast furnace slag
CN103601377B (en) * 2013-11-05 2015-08-12 北京科技大学 The temperature controllable die casting process method of blast furnace slag production cast stone and equipment thereof
CN103553557B (en) * 2013-11-05 2015-09-09 北京科技大学 The continuous casting calendering technology method of blast furnace slag production cast stone and equipment thereof
CN109095779A (en) * 2018-10-09 2018-12-28 交城义望铁合金有限责任公司 A method of crystallite stone material or road dental calculus are prepared using high calcium liquid manganese slag
CN110627474A (en) * 2019-10-28 2019-12-31 安阳金方冶金有限公司 Method for preparing artificial volcanic rock by utilizing liquid refined manganese slag
CN112209638A (en) * 2020-09-30 2021-01-12 北京科技大学 Method for preparing artificial stone by using iron-containing slag obtained by pyrometallurgy
CN112209638B (en) * 2020-09-30 2021-09-14 北京科技大学 Method for preparing artificial stone by using iron-containing slag obtained by pyrometallurgy
WO2022068347A1 (en) * 2020-09-30 2022-04-07 北京科技大学 Method for preparing artificial stone using iron-containing slag obtained from pyrometallurgy
CN114956777A (en) * 2022-06-09 2022-08-30 山东新智能源科技有限公司 Mineral melting direct casting crystallization micropore stone forming process

Also Published As

Publication number Publication date
CN103342538B (en) 2015-02-18

Similar Documents

Publication Publication Date Title
CN103342538B (en) Method for producing microcrystalline cast stone by reducing secondary slag subjected to iron removal by utilizing molten-state nickel slag
CN101020968A (en) Process of comprehensively utilizing high temperature nickel smelting slag
CN101559953B (en) Method for using high-temperature liquid silicon manganese alloy slag as raw material to produce cast stone
CN100489140C (en) Vertical grinding hollow abrading-resistant ball chemical composition control and thermal treatment process
CN107188411B (en) Method for preparing microlite by smelting high-temperature molten slag through manganese alloy
CN109369020A (en) A kind of calendering technology method producing devitrified glass or stone slab using liquid manganese slag
CN101509090B (en) Casting-rolling aluminum alloy blank and producing method thereof
CN104152806B (en) A kind of large mould steel shaping roll casting production process
CN103833227A (en) Method for treating waste CRT (cathode ray tube) and preparing glass ceramics by using slag
CN103667916A (en) High-hardness alloy steel material and preparation method thereof
CN103469100B (en) A kind of PH Stainless Steel pearl mill working chamber and preparation method thereof with high tenacity, high abrasion
CN101948248B (en) Method for preparing microcrystalline jade plate by phosphorus slag
CN103938087A (en) High strength high nickel steel material and preparation method thereof
CN102774791A (en) Manufacturing processes of agricultural lifting jack lifter and climbing pole
CN103741061B (en) A kind of roll high-fracture toughness alloy steel material and preparation method thereof
CN104073733A (en) Air corrosion-resistant alloy steel material and preparation method thereof
CN103627997A (en) High-tungsten high-carbon steel hammerhead material and preparation method thereof
CN108085512A (en) A kind of recycling processing method to waste and old aluminium pot
CN103725968B (en) A kind of corrosion-resistant wire rod machine roll alloy steel material and preparation method thereof
CN103757547B (en) A kind of composite roll collar cast steel material and preparation method thereof
CN103757537A (en) High hardness and low cold brittleness alloy steel material and preparation method thereof
CN103773993A (en) Environment-friendly zinc-copper-nickel alloy material and preparation method for same
CN103436764A (en) Process for producing heat-resisting alloy steel casting below 1100 DEG C
CN105330146A (en) Method for utilizing blast furnace slag to prepare engravable glass ceramics
CN103741035B (en) A kind of wire rod machine roll alloy steel material 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
C14 Grant of patent or utility model
GR01 Patent grant