CN105418097A - Refractory lining material and preparation method thereof - Google Patents
Refractory lining material and preparation method thereof Download PDFInfo
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- CN105418097A CN105418097A CN201510978276.1A CN201510978276A CN105418097A CN 105418097 A CN105418097 A CN 105418097A CN 201510978276 A CN201510978276 A CN 201510978276A CN 105418097 A CN105418097 A CN 105418097A
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- lining material
- refractory lining
- parts
- mullite
- sno
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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
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3293—Tin oxides, stannates or oxide forming salts thereof, e.g. indium tin oxide [ITO]
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
Abstract
The invention relates to a refractory lining material and a preparation method thereof. The refractory lining material is composed of following components, by mass: 10-20 parts of SnO2 sol, 30-50 parts of a core-shell-structured carrier, 50-70 parts of magnesite and 20-40 parts of mullite. The preparation method includes the following steps: uniformly mixing the SnO2 sol and the core-shell-structured carrier, finely grinding the magnesite and the mullite and adding the magnesite and the mullite to the SnO2 sol and the core-shell-structured carrier with mixing, and performing regular mixing, pressing moulding, drying and calcination to obtain the refractory lining material. The refractory lining material has a compact stacked structure, is good in not only kiln coating forming property but also thermal shock stability, has excellent anti-permeation erosion property, can block diffusion of air and flue gas pollutants into the refractory lining material and is effectively prevented from being oxidized at a high temperature. The refractory lining material is long in service life, is low in production cost, is good in high-temperature size stability, is strong in alkaline resistance and is free of any environment pollution after combustion.
Description
Technical field
The present invention relates to a kind of refractory lining material and preparation method thereof, especially relate to thermal zone refractory materials of cement rotary kiln and preparation method thereof.
Background technology
China is manufacture of cement state the biggest in the world.The thermal zone conventional magnesia chrome brick of current cement rotary kiln, Mg-Al spinel brick, magnesia-calcium brick or magnesium zirconia block etc., clinkering zone mainly uses magnesia chrome brick.Have harm to environment after the burning that these bricks have, some prices, high volume poor stability, alkali resistance is poor, not only consumes rare high grade bauxite, also consumes rare zircon.
Therefore, be necessary to research and develop a kind ofly hang that kliner coating performance is good, thermal shock resistance can be good and to the refractory materials of environment without harm.
Summary of the invention
There are the problems such as harm, price, high volume poor stability, alkali resistance difference for solving existing refractory materials to environment, the invention provides a kind of refractory lining material and preparation method thereof, improving extension kliner coating performance and the thermal shock resistance energy of refractory materials.
The present invention is realized by following technical proposal: a kind of refractory lining material, is made up of the component of following masses part:
SnO
2colloidal sol 10 ~ 20 parts,
Nucleocapsid structure carrier 30 as one kind ~ 50 part,
50 ~ 70 parts, magnesite,
Mullite 20 ~ 40 parts.
Described SnO
2colloidal sol is by SnCl
45H
2o and water are that 10 ~ 15 ︰ 2.5 ~ 4 mix in mass ratio, are made into SnO
2the aqueous solution, more under agitation, by SnCl
45H
2the mass ratio of O and strong aqua (mass concentration is 25 ~ 28%) is that 10 ~ 15 ︰ 2.5 ~ 6 drip strong aqua, namely obtains auburn SnO
2colloidal sol.
Described nucleocapsid structure carrier is through following each step and obtains:
(1) the nano level microballoon of magnesium to 1 ~ 500nm is ground;
(2) Nano microsphere of step (1) is scattered in by 1 ~ 10g/mL in the mixed solution of CTAB and ethanol and forms suspension liquid, this suspension liquid is stirred under Ultrasonic Conditions, makes Nano microsphere in the solution dispersed;
(3) by step (2) gained suspension liquid under agitation, with ammoniacal liquor together and flow and be slowly added dropwise in TBOT, to suspension liquid pH value=9 ~ 11;
(4) iron nitrate and aluminum nitrate are dissolved in deionized water by the mass ratio of 3 ︰ 2, make the concentration of salt be 0.5 ~ 2mol/L;
(5) be 1 ︰ 1 by volume, at 70 DEG C, the dropwise that step (4) is prepared joined in step (3) gained suspension liquid, Keep agitation in dropping process, generate throw out;
(6) step (5) gained throw out is carried out centrifugal treating, and successively with dehydrated alcohol and deionized water washing sediment, by throw out dry 12 ~ 24h at ambient temperature, then with dry 6 ~ 12h in 110 ~ 120 DEG C;
(7) by step (6) dried material through 550 ~ 950 DEG C of roasting 2 ~ 6h, obtain nucleocapsid structure carrier.
CTAB in described step (2) and the mixed solution of ethanol are dissolved in dehydrated alcohol by CTAB, makes the concentration of CTAB in mixing solutions be 0.08 ~ 0.25mol/L.
Another object of the present invention is to the preparation method that a kind of refractory lining material is provided, through following each step:
A, to get the raw materials ready by the component of following mass parts:
SnO
2colloidal sol 10 ~ 20 parts,
Nucleocapsid structure carrier 30 as one kind ~ 50 part,
50 ~ 70 parts, magnesite,
Mullite 20 ~ 40 parts;
B, by the magnesite in steps A and mullite levigate to 100 ~ 300 orders;
C, by the SnO in steps A
2colloidal sol, nucleocapsid structure carrier mix, more levigate with step B after magnesium ore deposit and mullite mix, compression moulding mixing through routine, after dry, calcining, namely obtains refractory lining material.
The present invention has following advantages and effect:
The present invention adopts SnO
2inert material, has good corrosion-resistant and resistance to elevated temperatures; Adopt nucleocapsid structure carrier, its shell and kernel are with TiO
2layer separates, the transmission of heat can be realized, solve temperature inequality and easily occur the problem such as focus and heat exchange difficulty, this nucleocapsid structure carrier has significant effect in refractory lining materials application, and this nucleocapsid structure carrier also possesses good heat storage capacity simultaneously, prevent kernel from outer, frit reaction occurring, and improve the physical strength of refractory lining material.Refractory lining material provided by the invention has close-packed structure; not only hang kliner coating performance good; and thermal shock resistance can be good; there is excellent impermeabilisation erosion performance; can blocks air and flue gas pollutant to the diffusion of refractory lining material internal, when high temperature, available protecting refractory lining material is not oxidized.The refractory lining materials'use life-span provided by the invention is long, production cost is low, and high volume good stability, alkali resistance are strong, after burning to environment without any harm.Preparation method of the present invention is simple, easy to operate, energy-conservation, environmental protection, and fast and easy is with low cost.
Embodiment
Below by embodiment, the present invention will be further described.
Embodiment 1
A, by SnCl
45H
2o and water are that 12 ︰ 3 mix in mass ratio, are made into SnO
2the aqueous solution, more under agitation, by SnCl
45H
2the mass ratio of O and strong aqua (mass concentration is 25 ~ 28%) is that 12 ︰ 4 drip strong aqua, namely obtains auburn SnO
2colloidal sol;
B, obtain nucleocapsid structure carrier through following each step:
(1) the nano level microballoon of magnesium to 1 ~ 200nm is ground;
(2) Nano microsphere of step (1) is scattered in by 8g/mL in the mixed solution of CTAB and ethanol and forms suspension liquid, this suspension liquid is stirred under Ultrasonic Conditions, makes Nano microsphere in the solution dispersed; Wherein, the mixed solution of CTAB and ethanol is dissolved in dehydrated alcohol by CTAB, makes the concentration of CTAB in mixing solutions be 0.1mol/L;
(3) by step (2) gained suspension liquid under agitation, with ammoniacal liquor together and flow and be slowly added dropwise in TBOT, to suspension liquid pH value=10;
(4) iron nitrate and aluminum nitrate are dissolved in deionized water by the mass ratio of 3 ︰ 2, make the concentration of salt be 1mol/L;
(5) be 1 ︰ 1 by volume, at 70 DEG C, the dropwise that step (4) is prepared joined in step (3) gained suspension liquid, Keep agitation in dropping process, generate throw out;
(6) step (5) gained throw out is carried out centrifugal treating, and successively with dehydrated alcohol and deionized water washing sediment, by throw out dry 20h at ambient temperature, then with dry 8h in 115 DEG C;
(7) by step (6) dried material through 750 DEG C of roasting 4h, obtain nucleocapsid structure carrier;
C, to get the raw materials ready by the component of following mass parts:
SnO
2colloidal sol 15 parts,
40 parts, nucleocapsid structure carrier,
60 parts, magnesite,
Mullite 30 parts;
D, by the magnesite in step C and mullite levigate to 200 orders;
E, by the SnO in step C
2colloidal sol, nucleocapsid structure carrier mix, more levigate with step D after magnesium ore deposit and mullite mix, compression moulding mixing through routine, after dry, calcining, namely obtains refractory lining material.
Burn till at 1350 DEG C × 8h, obtained refractory brick.After tested, volume density 2.96g/cm
3, apparent porosity 19%, compressive strength 80MPa, refractoriness under load 1400 DEG C, thermal shock resistance 28 times, alkali resistance 1 grade.
Embodiment 2
A, by SnCl
45H
2o and water are that 10 ︰ 2.5 mix in mass ratio, are made into SnO
2the aqueous solution, more under agitation, by SnCl
45H
2the mass ratio of O and strong aqua (mass concentration is 25 ~ 28%) is that 10 ︰ 2.5 drip strong aqua, namely obtains auburn SnO
2colloidal sol;
B, obtain nucleocapsid structure carrier through following each step:
(1) the nano level microballoon of magnesium to 200 ~ 300nm is ground;
(2) Nano microsphere of step (1) is scattered in by 1g/mL in the mixed solution of CTAB and ethanol and forms suspension liquid, this suspension liquid is stirred under Ultrasonic Conditions, makes Nano microsphere in the solution dispersed; Wherein, the mixed solution of CTAB and ethanol is dissolved in dehydrated alcohol by CTAB, makes the concentration of CTAB in mixing solutions be 0.08mol/L;
(3) by step (2) gained suspension liquid under agitation, with ammoniacal liquor together and flow and be slowly added dropwise in TBOT, to suspension liquid pH value=9;
(4) iron nitrate and aluminum nitrate are dissolved in deionized water by the mass ratio of 3 ︰ 2, make the concentration of salt be 0.5 ~ 2mol/L;
(5) be 1 ︰ 1 by volume, at 70 DEG C, the dropwise that step (4) is prepared joined in step (3) gained suspension liquid, Keep agitation in dropping process, generate throw out;
(6) step (5) gained throw out is carried out centrifugal treating, and successively with dehydrated alcohol and deionized water washing sediment, by throw out dry 12h at ambient temperature, then with dry 12h in 110 DEG C;
(7) by step (6) dried material through 550 DEG C of roasting 6h, obtain nucleocapsid structure carrier;
C, to get the raw materials ready by the component of following mass parts:
SnO
2colloidal sol 10 parts,
Nucleocapsid structure carrier 30 as one kind part,
50 parts, magnesite,
Mullite 20 parts;
D, by the magnesite in step C and mullite levigate to 100 orders;
E, by the SnO in step C
2colloidal sol, nucleocapsid structure carrier mix, more levigate with step D after magnesium ore deposit and mullite mix, compression moulding mixing through routine, after dry, calcining, namely obtains refractory lining material.
Burn till at 1350 DEG C × 8h, obtained refractory brick.After tested, volume density 2.95g/cm
3, apparent porosity 18%, compressive strength 80MPa, refractoriness under load 1400 DEG C, thermal shock resistance 27 times, alkali resistance 1 grade.
Embodiment 3
A, by SnCl
45H
2o and water are that 15 ︰ 4 mix in mass ratio, are made into SnO
2the aqueous solution, more under agitation, by SnCl
45H
2the mass ratio of O and strong aqua (mass concentration is 25 ~ 28%) is that 15 ︰ 6 drip strong aqua, namely obtains auburn SnO
2colloidal sol;
B, obtain nucleocapsid structure carrier through following each step:
(1) the nano level microballoon of magnesium to 400 ~ 500nm is ground;
(2) Nano microsphere of step (1) is scattered in by 10g/mL in the mixed solution of CTAB and ethanol and forms suspension liquid, this suspension liquid is stirred under Ultrasonic Conditions, makes Nano microsphere in the solution dispersed; Wherein, the mixed solution of CTAB and ethanol is dissolved in dehydrated alcohol by CTAB, makes the concentration of CTAB in mixing solutions be 0.25mol/L;
(3) by step (2) gained suspension liquid under agitation, with ammoniacal liquor together and flow and be slowly added dropwise in TBOT, to suspension liquid pH value=11;
(4) iron nitrate and aluminum nitrate are dissolved in deionized water by the mass ratio of 3 ︰ 2, make the concentration of salt be 2mol/L;
(5) be 1 ︰ 1 by volume, at 70 DEG C, the dropwise that step (4) is prepared joined in step (3) gained suspension liquid, Keep agitation in dropping process, generate throw out;
(6) step (5) gained throw out is carried out centrifugal treating, and successively with dehydrated alcohol and deionized water washing sediment, by throw out dry 24h at ambient temperature, then with dry 6h in 120 DEG C;
(7) by step (6) dried material through 950 DEG C of roasting 2h, obtain nucleocapsid structure carrier;
C, to get the raw materials ready by the component of following mass parts:
SnO
2colloidal sol 20 parts,
50 parts, nucleocapsid structure carrier,
70 parts, magnesite,
Mullite 40 parts;
D, by the magnesite in step C and mullite levigate to 300 orders;
E, by the SnO in step C
2colloidal sol, nucleocapsid structure carrier mix, more levigate with step D after magnesium ore deposit and mullite mix, compression moulding mixing through routine, after dry, calcining, namely obtains refractory lining material.
Burn till at 1350 DEG C × 8h, obtained refractory brick.After tested, volume density 2.92g/cm
3, apparent porosity 19%, compressive strength 80MPa, refractoriness under load 1400 DEG C, thermal shock resistance 28 times, alkali resistance 1 grade.
The present invention illustrates method detailed of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned method detailed, does not namely mean that the present invention must rely on above-mentioned method detailed and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (5)
1. a refractory lining material, is characterized in that being made up of the component of following masses part:
SnO
2colloidal sol 10 ~ 20 parts,
Nucleocapsid structure carrier 30 as one kind ~ 50 part,
50 ~ 70 parts, magnesite,
Mullite 20 ~ 40 parts.
2. refractory lining material according to claim 1, is characterized in that: described SnO
2colloidal sol is by SnCl
45H
2o and water are that 10 ~ 15 ︰ 2.5 ~ 4 mix in mass ratio, are made into SnO
2the aqueous solution, more under agitation, by SnCl
45H
2the mass ratio of O and strong aqua is that 10 ~ 15 ︰ 2.5 ~ 6 drip strong aqua, namely obtains auburn SnO
2colloidal sol.
3. refractory lining material according to claim 1, is characterized in that: described nucleocapsid structure carrier is through following each step and obtains:
(1) the nano level microballoon of magnesium to 1 ~ 500nm is ground;
(2) Nano microsphere of step (1) is scattered in by 1 ~ 10g/mL in the mixed solution of CTAB and ethanol and forms suspension liquid, this suspension liquid is stirred under Ultrasonic Conditions, makes Nano microsphere in the solution dispersed;
(3) by step (2) gained suspension liquid under agitation, with ammoniacal liquor together and flow and be slowly added dropwise in TBOT, to suspension liquid pH value=9 ~ 11;
(4) iron nitrate and aluminum nitrate are dissolved in deionized water by the mass ratio of 3 ︰ 2, make the concentration of salt be 0.5 ~ 2mol/L;
(5) be 1 ︰ 1 by volume, at 70 DEG C, the dropwise that step (4) is prepared joined in step (3) gained suspension liquid, Keep agitation in dropping process, generate throw out;
(6) step (5) gained throw out is carried out centrifugal treating, and successively with dehydrated alcohol and deionized water washing sediment, by throw out dry 12 ~ 24h at ambient temperature, then with dry 6 ~ 12h in 110 ~ 120 DEG C;
(7) by step (6) dried material through 550 ~ 950 DEG C of roasting 2 ~ 6h, obtain nucleocapsid structure carrier.
4. refractory lining material according to claim 3, is characterized in that: the CTAB in described step (2) and the mixed solution of ethanol are dissolved in dehydrated alcohol by CTAB, makes the concentration of CTAB in mixing solutions be 0.08 ~ 0.25mol/L.
5. a preparation method for refractory lining material, is characterized in that through following each step:
A, to get the raw materials ready by the component of following mass parts:
SnO
2colloidal sol 10 ~ 20 parts,
Nucleocapsid structure carrier 30 as one kind ~ 50 part,
50 ~ 70 parts, magnesite,
Mullite 20 ~ 40 parts;
B, by the magnesite in steps A and mullite levigate to 100 ~ 300 orders;
C, by the SnO in steps A
2colloidal sol, nucleocapsid structure carrier mix, more levigate with step B after magnesium ore deposit and mullite mix, compression moulding mixing through routine, after dry, calcining, namely obtains refractory lining material.
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| CN201510978276.1A CN105418097B (en) | 2015-12-23 | 2015-12-23 | Refractory lining material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510978276.1A CN105418097B (en) | 2015-12-23 | 2015-12-23 | Refractory lining material and preparation method thereof |
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| CN105418097B CN105418097B (en) | 2018-06-29 |
Family
ID=55496716
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106631072A (en) * | 2016-12-29 | 2017-05-10 | 浙江自立新材料股份有限公司 | Gradient material for castable and preparation method thereof |
| CN107840668A (en) * | 2017-10-29 | 2018-03-27 | 贵州喜文化艺术有限责任公司 | A kind of ceramic composition and preparation method thereof |
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| CN1109678A (en) * | 1993-05-17 | 1995-10-04 | 胡坦斯·阿尔伯图斯化学厂有限公司 | Black wash for producing mould coatings |
| CN102500533A (en) * | 2011-11-03 | 2012-06-20 | 昆明理工大学 | Method for coating corrosion-resistant paint on surface of steel |
| CN102925245A (en) * | 2012-11-08 | 2013-02-13 | 昆明理工大学 | Thermal storage oxygen carrier of core-shell structure and preparation method thereof |
| CN104140287A (en) * | 2014-07-30 | 2014-11-12 | 青岛祥海电子有限公司 | Ceramic roller bar good in heat conducting property |
| CN104446529A (en) * | 2014-10-27 | 2015-03-25 | 朱小英 | Refractory brick of ladle slag line |
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2015
- 2015-12-23 CN CN201510978276.1A patent/CN105418097B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109678A (en) * | 1993-05-17 | 1995-10-04 | 胡坦斯·阿尔伯图斯化学厂有限公司 | Black wash for producing mould coatings |
| CN102500533A (en) * | 2011-11-03 | 2012-06-20 | 昆明理工大学 | Method for coating corrosion-resistant paint on surface of steel |
| CN102925245A (en) * | 2012-11-08 | 2013-02-13 | 昆明理工大学 | Thermal storage oxygen carrier of core-shell structure and preparation method thereof |
| CN104140287A (en) * | 2014-07-30 | 2014-11-12 | 青岛祥海电子有限公司 | Ceramic roller bar good in heat conducting property |
| CN104446529A (en) * | 2014-10-27 | 2015-03-25 | 朱小英 | Refractory brick of ladle slag line |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106631072A (en) * | 2016-12-29 | 2017-05-10 | 浙江自立新材料股份有限公司 | Gradient material for castable and preparation method thereof |
| CN106631072B (en) * | 2016-12-29 | 2019-05-28 | 浙江自立新材料股份有限公司 | A kind of functionally gradient material (FGM) and preparation method thereof for castable |
| CN107840668A (en) * | 2017-10-29 | 2018-03-27 | 贵州喜文化艺术有限责任公司 | A kind of ceramic composition and preparation method thereof |
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|---|---|
| CN105418097B (en) | 2018-06-29 |
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Address after: Yunnan province office building 650302 Kunming Anning Kunming Steel Energy Conservation Center Applicant after: Yunnan Qinglang Energy Technology Co Ltd Address before: Yunnan province office building 650302 Kunming Anning Kunming Steel Energy Conservation Center Applicant before: Yunnan Pan-Asia Energy Technology Co., Ltd. |
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Address after: 650302 Office Building of Kungang Energy Conservation and Emission Reduction Center, Anning City, Kunming City, Yunnan Province Patentee after: Yunnan Tianlang Energy Technology Co., Ltd. Address before: 650302 Office Building of Kungang Energy Conservation and Emission Reduction Center, Anning City, Kunming City, Yunnan Province Patentee before: Yunnan Qinglang Energy Technology Co Ltd |