CN106882973A - A kind of fireclay insulating refractory with ferrotianium slag as major ingredient and preparation method thereof - Google Patents
A kind of fireclay insulating refractory with ferrotianium slag as major ingredient and preparation method thereof Download PDFInfo
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- CN106882973A CN106882973A CN201710117415.0A CN201710117415A CN106882973A CN 106882973 A CN106882973 A CN 106882973A CN 201710117415 A CN201710117415 A CN 201710117415A CN 106882973 A CN106882973 A CN 106882973A
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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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/442—Carbonates
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/444—Halide containing anions, e.g. bromide, iodate, chlorite
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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Abstract
The present invention relates to a kind of fireclay insulating refractory with ferrotianium slag as major ingredient and preparation method thereof.Its technical scheme is：It is 100 ︰ (4 ~ 7) dispensing by the mass ratio of ferrotianium Zha ︰ calcium carbides, ball milling obtains final product compound；By ammonium hydrogen carbonate: aluminium chloride: titanium tetrachloride: the mass ratio of water be (5 ~ 10): (5 ~ 8): (5 ~ 8): 100 dispensings, under water bath condition in container ultrasonic disperse, obtain final product mixed colloidal solution；The compound is pressed again: the mass ratio of the mixed colloidal solution is 100: (10 ~ 15), to the mixed colloidal solution is added in the compound, stir, add die for molding, maintenance；It is subsequently placed in Muffle furnace, is burnt till in 1450 ~ 1500 DEG C, with stove natural cooling, the fireclay insulating refractory with ferrotianium slag as major ingredient is obtained.The characteristics of present invention has with low cost, process is simple and high yield rate；The prepared fireclay insulating refractory bulk density with ferrotianium slag as major ingredient is low, compressive resistance is big and thermal conductivity factor is small.
Description
Technical field
The invention belongs to fireclay insulating refractory technical field.Specifically related to a kind of insulating refractory material with ferrotianium slag as major ingredient
Material and preparation method thereof.
Background technology
Ferrotianium slag is to smelt accessory substance derived from ferro-titanium, and main chemical compositions are fire resisting material field routine
High-quality component --- Al2O3、TiO2And CaO, therefore, prepare refractory material using ferrotianium slag and caused those skilled in the art's
Concern, such as " regeneration high-alumina refractory raw material with ferrotianium slag as major ingredient and preparation method thereof 201410161089.X ", although utilize
Ferrotianium slag prepares refractory material, its process is simple, with low cost, but ferrotianium slag is multi-component composite diphase material, its volume stability
Property is difficult to control to, and easily causes product strength to reduce.
At present, fireclay insulating refractory mainly with low bulk and the refractory raw material of low heat conduction through mixing, pore-creating (such as foaming,
Chemical method and burn mistake method etc.), be molded, burn till, process after be obtained, such as " a kind of mullite light refractory material and its preparation side
Method 201510186484.8 ".However, foaming, chemical method or burning mistake method, its is relatively costly, and the more difficult control of hole homogeneity
System, causes that the yield rate of fireclay insulating refractory is relatively low or intensity is poor.
The content of the invention
It is contemplated that overcoming prior art defect, it is therefore intended that provide a kind of with low cost, process is simple and yield rate
The preparation method of the fireclay insulating refractory with ferrotianium slag as major ingredient high, with the method prepare it is heat-insulated with ferrotianium slag as major ingredient
The bulk density of refractory material is low, compressive resistance is big and thermal conductivity factor is small.
To achieve the above object, preparation method of the present invention is comprised the concrete steps that：
The first step, by ferrotianium Zha ︰ calcium carbides mass ratio be 100 ︰ (4~7) dispensing, be milled to granularity≤60 μm, obtain final product mixed
Close material.
Second step, under 30~35 DEG C of water bath conditions, ammonium hydrogen carbonate, aluminium chloride, titanium tetrachloride and water are inserted in container,
Ultrasonic disperse 10~15 minutes, obtains final product mixed colloidal solution；Wherein, ammonium hydrogen carbonate: aluminium chloride: titanium tetrachloride: the mass ratio of water
It is (5~10): (5~8): (5~8): 100.
3rd step, by the compound: the mass ratio of the mixed colloidal solution be 100: (10~15), to the mixing
The mixed colloidal solution is added in material, is stirred 5~7 minutes, add die for molding, conserved 12~24 hours, obtained final product into
Base substrate after type.
4th step, the base substrate after shaping is placed in Muffle furnace, 30~60 minutes is incubated under the conditions of 1450~1500 DEG C,
With stove natural cooling, the fireclay insulating refractory with ferrotianium slag as major ingredient is obtained.
The ferrotianium slag is to smelt the slag produced by ferro-titanium, and the main chemical compositions of ferrotianium slag are：Al2O3Content
It is 70~75wt%, TiO2Content is 10~15wt%, and CaO content is 5~8wt%.
The calcium carbide is technical pure.
The ammonium hydrogen carbonate is pure for chemistry.
The aluminium chloride is pure for chemistry.
The titanium tetrachloride is pure for chemistry.
There is advantages below compared with prior art due to using above-mentioned technical proposal, the present invention：
1st, present invention process is simple, without special treatment technology, and is primary raw material from slag, reduces heat-insulated resistance to
The preparation cost of fiery material.
2nd, the present invention reacts to form stomata by the in-situ hydrolysis of raw material components, while the self-desiccation using chemical heat, carries
The yield rate and intensity of fireclay insulating refractory high.
The fireclay insulating refractory with ferrotianium slag as major ingredient prepared by the present invention is after testing：Yield rate be 99.2~
99.7%；Bulk density is 0.90~0.95g/cm3；Compressive resistance is 9~12MPa；Thermal conductivity factor is 0.23~0.28Wm-1·K-1。
Therefore, the characteristics of present invention has with low cost, process is simple and high yield rate；It is prepared based on ferrotianium slag
The fireclay insulating refractory bulk density of material is low, compressive resistance is big and thermal conductivity factor is small.
Specific embodiment
With reference to specific embodiment, the invention will be further described, not to the limitation of its protection domain.
In this specific embodiment：
The ferrotianium slag is to smelt the slag produced by ferro-titanium, and the main chemical compositions of ferrotianium slag are：Al2O3Content
It is 70~75wt%, TiO2Content is 10~15wt%, and CaO content is 5~8wt%.
The calcium carbide is technical pure.
The ammonium hydrogen carbonate is pure for chemistry.
The aluminium chloride is pure for chemistry.
The titanium tetrachloride is pure for chemistry.
Repeated no more in embodiment.
Embodiment 1
A kind of fireclay insulating refractory with ferrotianium slag as major ingredient and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, by ferrotianium Zha ︰ calcium carbides mass ratio be 100 ︰ (4~6) dispensing, be milled to granularity≤60 μm, obtain final product mixed
Close material.
Second step, under 30~35 DEG C of water bath conditions, ammonium hydrogen carbonate, aluminium chloride, titanium tetrachloride and water are inserted in container,
Ultrasonic disperse 10~15 minutes, obtains final product mixed colloidal solution；Wherein, ammonium hydrogen carbonate: aluminium chloride: titanium tetrachloride: the mass ratio of water
It is (5~7): (5~7): (5~7): 100.
3rd step, by the compound: the mass ratio of the mixed colloidal solution be 100: (10~12), to the mixing
The mixed colloidal solution is added in material, is stirred 5~7 minutes, add die for molding, conserved 12~24 hours, obtained final product into
Base substrate after type.
4th step, the base substrate after shaping is placed in Muffle furnace, 30~60 minutes is incubated under the conditions of 1450~1470 DEG C,
With stove natural cooling, the fireclay insulating refractory with ferrotianium slag as major ingredient is obtained.
The fireclay insulating refractory with ferrotianium slag as major ingredient prepared by the present invention is after testing：Yield rate be 99.2~
99.4%；Bulk density is 0.90~0.92g/cm3；Compressive resistance is 9~11MPa；Thermal conductivity factor is 0.23~0.25Wm-1·K-1。
Embodiment 2
A kind of fireclay insulating refractory with ferrotianium slag as major ingredient and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, by ferrotianium Zha ︰ calcium carbides mass ratio be 100 ︰ (4~6) dispensing, be milled to granularity≤60 μm, obtain final product mixed
Close material.
Second step, under 30~35 DEG C of water bath conditions, ammonium hydrogen carbonate, aluminium chloride, titanium tetrachloride and water are inserted in container,
Ultrasonic disperse 10~15 minutes, obtains final product mixed colloidal solution；Wherein, ammonium hydrogen carbonate: aluminium chloride: titanium tetrachloride: the mass ratio of water
It is (6~8): (5~7): (5~7): 100.
3rd step, by the compound: the mass ratio of the mixed colloidal solution be 100: (11~13), to the mixing
The mixed colloidal solution is added in material, is stirred 5~7 minutes, add die for molding, conserved 12~24 hours, obtained final product into
Base substrate after type.
4th step, the base substrate after shaping is placed in Muffle furnace, 30~60 minutes is incubated under the conditions of 1460~1480 DEG C,
With stove natural cooling, the fireclay insulating refractory with ferrotianium slag as major ingredient is obtained.
The fireclay insulating refractory with ferrotianium slag as major ingredient prepared by the present invention is after testing：Yield rate be 99.3~
99.5%；Bulk density is 0.91~0.93g/cm3；Compressive resistance is 9~11MPa；Thermal conductivity factor is 0.24~0.26Wm-1·K-1。
Embodiment 3
A kind of fireclay insulating refractory with ferrotianium slag as major ingredient and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, by ferrotianium Zha ︰ calcium carbides mass ratio be 100 ︰ (5~7) dispensing, be milled to granularity≤60 μm, obtain final product mixed
Close material.
Second step, under 30~35 DEG C of water bath conditions, ammonium hydrogen carbonate, aluminium chloride, titanium tetrachloride and water are inserted in container,
Ultrasonic disperse 10~15 minutes, obtains final product mixed colloidal solution；Wherein, ammonium hydrogen carbonate: aluminium chloride: titanium tetrachloride: the mass ratio of water
It is (7~9): (6~8): (6~8): 100.
3rd step, by the compound: the mass ratio of the mixed colloidal solution be 100: (12~14), to the mixing
The mixed colloidal solution is added in material, is stirred 5~7 minutes, add die for molding, conserved 12~24 hours, obtained final product into
Base substrate after type.
4th step, the base substrate after shaping is placed in Muffle furnace, 30~60 minutes is incubated under the conditions of 1470~1490 DEG C,
With stove natural cooling, the fireclay insulating refractory with ferrotianium slag as major ingredient is obtained.
The fireclay insulating refractory with ferrotianium slag as major ingredient prepared by the present invention is after testing：Yield rate be 99.4~
99.6%；Bulk density is 0.92~0.94g/cm3；Compressive resistance is 10~12MPa；Thermal conductivity factor is 0.25~0.27Wm-1·K-1。
Embodiment 4
A kind of fireclay insulating refractory with ferrotianium slag as major ingredient and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, by ferrotianium Zha ︰ calcium carbides mass ratio be 100 ︰ (5~7) dispensing, be milled to granularity≤60 μm, obtain final product mixed
Close material.
Second step, under 30~35 DEG C of water bath conditions, ammonium hydrogen carbonate, aluminium chloride, titanium tetrachloride and water are inserted in container,
Ultrasonic disperse 10~15 minutes, obtains final product mixed colloidal solution；Wherein, ammonium hydrogen carbonate: aluminium chloride: titanium tetrachloride: the mass ratio of water
It is (8~10): (6~8): (6~8): 100.
3rd step, by the compound: the mass ratio of the mixed colloidal solution be 100: (13~15), to the mixing
The mixed colloidal solution is added in material, is stirred 5~7 minutes, add die for molding, conserved 12~24 hours, obtained final product into
Base substrate after type.
4th step, the base substrate after shaping is placed in Muffle furnace, 30~60 minutes is incubated under the conditions of 1480~1500 DEG C,
With stove natural cooling, the fireclay insulating refractory with ferrotianium slag as major ingredient is obtained.
The fireclay insulating refractory with ferrotianium slag as major ingredient prepared by the present invention is after testing：Yield rate be 99.5~
99.7%；Bulk density is 0.93~0.95g/cm3；Compressive resistance is 10~12MPa；Thermal conductivity factor is 0.26~0.28Wm-1·K-1。
This specific embodiment has advantages below compared with prior art：
1st, this specific embodiment process is simple, without special treatment technology, and is primary raw material from slag, is reduced
The preparation cost of fireclay insulating refractory.
2nd, this specific embodiment reacts to form stomata by the in-situ hydrolysis of raw material components, while using chemical heat certainly
Dry, improve the yield rate and intensity of fireclay insulating refractory.
The fireclay insulating refractory with ferrotianium slag as major ingredient prepared by this specific embodiment is after testing：Yield rate is 99.2
~99.7%；Bulk density is 0.90~0.95g/cm3；Compressive resistance is 9~12MPa；Thermal conductivity factor is 0.23~0.28W
m-1·K-1。
Therefore, the characteristics of this specific embodiment has with low cost, process is simple and high yield rate；It is prepared with titanium
Scum is for the fireclay insulating refractory bulk density of major ingredient is low, compressive resistance is big and thermal conductivity factor is small.
Claims (7)
1. the preparation method of a kind of fireclay insulating refractory with ferrotianium slag as major ingredient, it is characterised in that the preparation method it is specific
Step is as follows：
The first step, by ferrotianium Zha ︰ calcium carbides mass ratio be 100 ︰ (4~7) dispensing, be milled to granularity≤60 μm, obtain final product compound；
Second step, under 30~35 DEG C of water bath conditions, ammonium hydrogen carbonate, aluminium chloride, titanium tetrachloride and water are inserted in container, ultrasound
Dispersion 10~15 minutes, obtains final product mixed colloidal solution；Wherein, ammonium hydrogen carbonate: aluminium chloride: titanium tetrachloride: the mass ratio of water is (5
~10): (5~8): (5~8): 100；
3rd step, by the compound: the mass ratio of the mixed colloidal solution be 100: (10~15), in the compound
The mixed colloidal solution is added, is stirred 5~7 minutes, add die for molding, conserved 12~24 hours, after obtaining final product shaping
Base substrate；
4th step, the base substrate after shaping is placed in Muffle furnace, 30~60 minutes is incubated under the conditions of 1450~1500 DEG C, with stove
Natural cooling, is obtained the fireclay insulating refractory with ferrotianium slag as major ingredient.
2. the preparation method of the fireclay insulating refractory with ferrotianium slag as major ingredient according to claim 1, it is characterised in that institute
It is to smelt the slag produced by ferro-titanium to state ferrotianium slag, and the main chemical compositions of ferrotianium slag are：Al2O3Content be 70~
75wt%, TiO2Content is 10~15wt%, and CaO content is 5~8wt%.
3. the preparation method of the fireclay insulating refractory with ferrotianium slag as major ingredient according to claim 1, it is characterised in that institute
Calcium carbide is stated for technical pure.
4. the preparation method of the fireclay insulating refractory with ferrotianium slag as major ingredient according to claim 1, it is characterised in that institute
Ammonium hydrogen carbonate is stated for chemistry is pure.
5. the preparation method of the fireclay insulating refractory with ferrotianium slag as major ingredient according to claim 1, it is characterised in that institute
Aluminium chloride is stated for chemistry is pure.
6. the preparation method of the fireclay insulating refractory with ferrotianium slag as major ingredient according to claim 1, it is characterised in that institute
Titanium tetrachloride is stated for chemistry is pure.
7. a kind of fireclay insulating refractory with ferrotianium slag as major ingredient, it is characterised in that the insulating refractory with ferrotianium slag as major ingredient
Material is the preparation method of the fireclay insulating refractory with ferrotianium slag as major ingredient according to any one of claim 1~6
The prepared fireclay insulating refractory with ferrotianium slag as major ingredient.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710117415.0A CN106882973A (en) | 2017-03-01 | 2017-03-01 | A kind of fireclay insulating refractory with ferrotianium slag as major ingredient and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710117415.0A CN106882973A (en) | 2017-03-01 | 2017-03-01 | A kind of fireclay insulating refractory with ferrotianium slag as major ingredient and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943696A (en) * | 2020-08-05 | 2020-11-17 | 辽宁科技大学 | Method for preparing aluminum titanate refractory material by using industrial aluminum slag and titanium slag |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204678A (en) * | 1998-07-03 | 1999-01-13 | 莱州明发隔热材料有限公司 | Calcium silicate thermal insulation fireproof material and manufacturing method thereof |
| CN104788121A (en) * | 2015-04-20 | 2015-07-22 | 武汉科技大学 | Mullite lightweight refractory material and preparation method thereof |
| CN104926325A (en) * | 2015-06-09 | 2015-09-23 | 武汉科技大学 | Ladle bottom castable and preparation method thereof |
-
2017
- 2017-03-01 CN CN201710117415.0A patent/CN106882973A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204678A (en) * | 1998-07-03 | 1999-01-13 | 莱州明发隔热材料有限公司 | Calcium silicate thermal insulation fireproof material and manufacturing method thereof |
| CN104788121A (en) * | 2015-04-20 | 2015-07-22 | 武汉科技大学 | Mullite lightweight refractory material and preparation method thereof |
| CN104926325A (en) * | 2015-06-09 | 2015-09-23 | 武汉科技大学 | Ladle bottom castable and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943696A (en) * | 2020-08-05 | 2020-11-17 | 辽宁科技大学 | Method for preparing aluminum titanate refractory material by using industrial aluminum slag and titanium slag |
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