CN101863674A - Corundum hollow sphere structure heat-insulating integrated composite brick and preparation method thereof - Google Patents
Corundum hollow sphere structure heat-insulating integrated composite brick and preparation method thereof Download PDFInfo
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- CN101863674A CN101863674A CN 201010192173 CN201010192173A CN101863674A CN 101863674 A CN101863674 A CN 101863674A CN 201010192173 CN201010192173 CN 201010192173 CN 201010192173 A CN201010192173 A CN 201010192173A CN 101863674 A CN101863674 A CN 101863674A
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- corundum
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- heat insulation
- supporting layer
- insulation layer
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- 229910052593 corundum Inorganic materials 0.000 title claims abstract description 45
- 239000010431 corundum Substances 0.000 title claims abstract description 45
- 239000011449 brick Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 16
- 239000003595 mist Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- HIGRAKVNKLCVCA-UHFFFAOYSA-N alumine Chemical compound C1=CC=[Al]C=C1 HIGRAKVNKLCVCA-UHFFFAOYSA-N 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 8
- 239000004927 clay Substances 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 229910001570 bauxite Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000003245 working effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a corundum hollow sphere structure heat-insulating integrated composite brick and a preparation method thereof. The corundum hollow sphere structure heat-insulating integrated composite brick comprises a heavy supporting layer of compact bauxite chamotte and a light heat-insulating layer adopting a corundum hollow sphere as a light skeleton, the brick is formed by vibration pressing or mechanically forming the heavy supporting layer and the light heat-insulating layer, the length ratio of the heavy supporting layer and the light heat-insulating layer is 1 to 5: 2 to 1. The brick overcomes that the high-temperature kiln corundum brick and the alumina brick has large heat conduction coefficient and short service life and the present alumina hollow spherical brick and corundum hollow spherical brick has low the load softening temperature and is easy to be projected inside the kiln after being used for a long time. The heat-insulating integrated composite brick has high refractoriness, good structural strength and good heat-preserving and heat-insulating performance.
Description
Technical field
The present invention relates to fire-resistant composite brick and preparation method, especially relate to a kind of corundum hollow sphere structure heat-insulating integrated composite brick and preparation method.
Background technology
High temperature resistant heat insulation material is the key component of Thermal Equipment such as various kilns, and high temperature resistant heat insulation material directly contacts flame, requires not only high temperature resistant but also heat-insulating and energy-saving, and is high especially to the performance requriements of material.Exploitation lightweight, high-strength, good thermal shock stability, use temperature high energy satisfy the required material of light structures high temperature kiln, shortcomings such as the thermal capacity that changes conventional high-temperature kiln employing heavy material and exist is big, temperature rise rate is little, energy consumption is big, work-ing life is short, the construction maintenance capacity is big are to build resource-conserving and friendly environment society's service.
Alumina hollow ball is used widely in the heat insulation field of fire resistant heat preserving, and hollow ball has utilized the big characteristics of enclosed cavity thermal resistance, good heat-insulation effect, and the intensity height, high temperature resistant, antistripping.The lightweight alumina hollow ball product has overcome that the foamed alumina product strength is low, the characteristics of high-temperature creep resistance difference, not only can directly contact flame, can also use as thermofin, but its refractoriness under load awaits further raising, after particularly furnace life is improved, because the volatilization of the low melting point in flue gas composition enters and long-time creep effect easily causes the furnace lining distortion interior prominent, furnace roof subsides.For further prolonging furnace service life, for satisfying energy-saving and cost-reducing requirement, Zhejiang University's material is the advantage of ceramic institute in conjunction with this place high-temperature material preparation and high temperature power-saving technology aspect, utilize institute's proprietary technology to develop corundum hollow sphere structure heat-insulating integrated composite brick, the compact high-alumina supporting layer is used for load-bearing, improve kiln compactness simultaneously and reduce high temperature creep, light heat insulation layer is mainly used in heat insulation and improves heat-shock resistance, so that further improve furnace life, reach energy saving purposes.Notice when building kiln by laying bricks or stones that light layer contact flame does not improve the life-span effect otherwise have.
Summary of the invention
In order to overcome the shortcoming of existing high temperature kiln heavy corundum brick structure and light hollow ball brick structure, the object of the present invention is to provide a kind of corundum hollow sphere structure heat-insulating integrated composite brick and preparation method, the mode that adopts heavy and lightweight to combine reduces thermal capacitance, overcomes creep, improves the life-span.
The technical solution adopted for the present invention to solve the technical problems is:
One, a kind of corundum hollow sphere structure heat-insulating integrated composite brick:
The heavy supporting layer that comprises the compact high-alumina alumina, and be the light heat insulation layer of aglite with the corundum bollow ball, being composited by both, the length dimension ratio of heavy supporting layer and light heat insulation layer is 1～5: 2～1.
Two, a kind of preparation method of corundum hollow sphere structure heat-insulating integrated composite brick:
The proportioning raw materials of A, heavy supporting layer and light heat insulation layer is as follows:
One, in the compact high-alumina alumina heavy supporting layer, the quality percentage composition of each component is:
1～3mm alumine 35～45%; Less than mm alumine 20～35%; Be not more than 325 height of eye bauxitic clays 20～35%; Clay powder 5～10%; Add wedding agent 3～5%;
Two, light heat insulation layer is for being the light heat insulation layer of aglite with the corundum bollow ball, and its technical indicator and content ratio are as follows:
In the corundum bollow ball high-strength light thermofin, Al
2O
3Quality percentage composition＞92%, particle diameter is 0.2～5mm, natural tap density 0.6～0.9g/cm
3The quality percentage composition of each component is: corundum bollow ball 34～60%, α-Al
2O
3Micro mist 40～66%, to add wedding agent be α-Al
2O
330～35% of micro mist quality percentage composition;
The preparation method of B, corundum hollow sphere structure heat-insulating integrated composite brick:
(1) heavy supporting layer preparation: will be not more than 325 powder materials earlier and prepare the back in proportion and in ball mill, mix, and mix the powder that the back adding mixes at all the other particless of aggregates and wedding agent again, and stir standby after 10～30 minutes;
(2) light heat insulation layer preparation: with the corundum bollow ball is aglite, and aglite is mixed with wedding agent in proportion, add in proportion then powder stir 10～30 minutes standby;
(3) moulding: finish after the batching, with dividing plate the material chamber of forming mould is divided into two portions, the length dimension ratio of heavy supporting layer and light heat insulation layer is 1～5: 2～1, and reinforced back is extracted dividing plate out, adopts vibrations pressurization or mechanical pressing;
(4) burn till: the loading of kiln after 80～150 ℃ of oven dry of the base substrate taking-up after the moulding was burnt till in 1500～1650 ℃ of insulations in 3～8 hours.
In the described light heat insulation layer, wedding agent is phosphoric acid solution or phosphate dihydrogen aluminum solution.
In the heavy supporting layer of described fine and close magnesium high alumina, wedding agent is organic bond or phosphoric acid solution or phosphate dihydrogen aluminum solution.
Corundum bollow ball is an alumina content at 92～98% electric smelting winding-up hollow ball, and crystal formation is with α-Al
2O
3Microcrystal is main, and this ball still can keep good physics and chemical stability in temperature in up to 1700 ℃ kiln, is a kind of novel high temperature insulating material.As aggregate, introduce α-Al with it
2O
3Micro mist, mullite miropowder, alumina fine powder, clay and wedding agent etc. can prepare the corundum bollow ball brick or the mould material of various matrix, and its density is 1.2～1.8g/cm
3, if introduce polystyrene microsphere or sawdust or whipping agent etc., then its density can be lower than 0.6g/cm
3, adopt the product of this hollow ball preparation to have intensity height, use temperature height, load softening point height, low the having a few of shrinking percentage.
The beneficial effect that the present invention has is:
The present invention can change the shortcoming that existing heavy brick structure or hollow ball brick lining structure kiln exist, and prolongs kiln work-ing life, reduces cost.
Description of drawings
Accompanying drawing is the corundum hollow sphere structure heat-insulating integrated composite brick structure iron.
Among the figure: 1, heavy supporting layer, 2, light heat insulation layer.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described.
As shown in drawings, the present invention includes the heavy supporting layer of compact high-alumina alumina, and be the light heat insulation layer of aglite with the corundum bollow ball, be composited by both, the length dimension ratio of heavy supporting layer and light heat insulation layer is 1～5: 2～1.Compact high-alumina alumina heavy supporting layer, high temperature creep-resisting; Light heat insulation layer plays heat-blocking action then towards flame, and has high-heat resistance shock resistant.
Embodiment 1:
Present embodiment adopts compact high-alumina alumina refractory and corundum bollow ball to be composited, raw material and quality percentage composition thereof that the heavy supporting layer is adopted are: 1～3mm high alumina 35% less than mm high alumina 30%, is not more than 325 height of eye bauxitic clays 30%, clay 5% adds yellow starch gum solution 3%; Raw material that light heat insulation layer adopted and quality percentage composition thereof are: corundum bollow ball 65%, α-Al
2O
3Micro mist 35%, to add the phosphoric acid wedding agent be α-Al
2O
335% of micro mist quality percentage composition.
Preparation technology may further comprise the steps:
(1) batching: the proportioning process of heavy supporting layer mixes in ball mill after 325 powder materials prepare in proportion for being not more than earlier, mixes the powder that the back adding mixes at all the other particless of aggregates and wedding agent then, stirs standby after 10～30 minutes; The proportioning process of light heat insulation layer adds α-Al then in proportion for corundum bollow ball is mixed with the phosphoric acid wedding agent in proportion
2O
3Stir 10～30 minutes standby.
(2) moulding: finish after the batching, according to the use location and the wear rate of material and determine dimension scale between heavy supporting layer and the light heat insulation layer work-ing life, with dividing plate the material chamber of forming mould is divided into two portions according to ratio, reinforced back is extracted dividing plate out, adopts the vibrations extrusion forming.
(3) burn till: the loading of kiln after 80～150 ℃ of oven dry of the base substrate taking-up after the moulding was burnt till in 1650 ℃ of insulations in 3 hours.
Embodiment 2:
Present embodiment adopts compact high-alumina alumina refractory and corundum bollow ball to be composited, raw material and quality percentage composition thereof that the heavy supporting layer is adopted are: 1～3mm alumine 45%, less than mm alumine 25%, be not more than 325 alumines 15%, clay 15% adds lignin sulfonic acid element 5%; Raw material that light heat insulation layer adopted and quality percentage composition thereof are: corundum bollow ball 38%, α-Al
2O
3Micro mist 62%, to add the biphosphate Al binding agent be α-Al
2O
331% of micro mist quality percentage composition.
Preparation technology may further comprise the steps:
(1) batching: the proportioning process of heavy supporting layer mixes in ball mill after 325 powder materials prepare in proportion for being not more than earlier, mixes the powder that the back adding mixes at all the other particless of aggregates and wedding agent then, stirs standby after 10～30 minutes; The proportioning process of high-strength light thermofin adds α-Al then in proportion for corundum bollow ball is mixed with the biphosphate Al binding agent in proportion
2O
3Stir 10～30 minutes standby.
(2) moulding: finish after the batching, according to the use location and the wear rate of material and determine dimension scale between heavy supporting layer and the light heat insulation layer work-ing life, with dividing plate the material chamber of forming mould is divided into two portions according to ratio, reinforced back is extracted dividing plate out, adopts mechanical pressing.
(3) burn till: the loading of kiln after 80～150 ℃ of oven dry of the base substrate taking-up after the moulding was burnt till in 1500 ℃ of insulations in 3～8 hours.
Embodiment 3:
Present embodiment adopts compact high-alumina alumina refractory and corundum bollow ball to be composited, raw material and quality percentage composition thereof that the heavy supporting layer is adopted are: 1～3mm alumine 45%, less than mm alumine 20%, be not more than 325 order alumina 25%, clay 10% adds polyvinyl alcohol solution 3%; Raw material that light heat insulation layer adopted and quality percentage composition thereof are: corundum bollow ball 60%, α-Al
2O
3Micro mist 40%, to add the phosphate dihydrogen aluminum solution wedding agent be α-Al
2O
335% of micro mist quality percentage composition.
Preparation technology may further comprise the steps:
(1) batching: the proportioning process of heavy supporting layer mixes in ball mill after 325 powder materials prepare in proportion for being not more than earlier, mixes the powder that the back adding mixes at all the other particless of aggregates and wedding agent then, stirs standby after 10～30 minutes; The proportioning process of high-strength light thermofin adds α-Al then in proportion for corundum bollow ball is mixed with the phosphate dihydrogen aluminum solution wedding agent in proportion
2O
3Stir 10～30 minutes standby.
(2) moulding: finish after the batching, according to the use location and the wear rate of material and determine dimension scale between heavy supporting layer and the light heat insulation layer work-ing life, with dividing plate the material chamber of forming mould is divided into two portions according to ratio, reinforced back is extracted dividing plate out, adopts vibrations pressurization or mechanical pressing.
(3) burn till: the loading of kiln after 80～150 ℃ of oven dry of the base substrate taking-up after the moulding was burnt till in 1650 ℃ of insulations in 3～8 hours.
Embodiment 4:
Present embodiment adopts the compact high-alumina alumina refractory, the light heat insulation layer aggregate is an aggregate by corundum bollow ball, raw material and quality percentage composition thereof that the heavy supporting layer is adopted are: 1～3mm alumine 40%, less than mm alumine 30%, be not more than 325 height of eye bauxitic clays 20%, clay 10% adds yellow starch gum solution 4%; Raw material that light heat insulation layer adopted and quality percentage composition thereof are: corundum bollow ball 50%, α-Al
2O
3Micro mist 50%, to add the phosphoric acid solution wedding agent be α-Al
2O
333% of micro mist quality percentage composition.
Preparation technology may further comprise the steps:
(1) batching: the proportioning process of heavy supporting layer mixes in ball mill after 325 powder materials prepare in proportion for being not more than earlier, mixes the powder that the back adding mixes at all the other particless of aggregates and wedding agent then, stirs standby after 10～30 minutes; The proportioning process of high-strength light thermofin adds α-Al then in proportion for corundum bollow ball is mixed with phosphoric acid solution in proportion
2O
3Stir 10～30 minutes standby.
(2) moulding: finish after the batching, according to the use location and the wear rate of material and determine dimension scale between heavy supporting layer and the light heat insulation layer work-ing life, with dividing plate the material chamber of forming mould is divided into two portions according to ratio, reinforced back is extracted dividing plate out, adopts vibrations pressurization or mechanical pressing.
(3) burn till: the loading of kiln after 80～150 ℃ of oven dry of the base substrate taking-up after the moulding was burnt till in 1600 ℃ of insulations in 3～8 hours.
Claims (4)
1. corundum hollow sphere structure heat-insulating integrated composite brick, it is characterized in that: the heavy supporting layer that comprises the compact high-alumina alumina, and be the light heat insulation layer of aglite with the corundum bollow ball, be composited by both, the length dimension ratio of heavy supporting layer and light heat insulation layer is 1～5: 2～1.
2. by the preparation method of the described a kind of corundum hollow sphere structure heat-insulating integrated composite brick of claim 1, it is characterized in that:
The proportioning raw materials of A, heavy supporting layer and light heat insulation layer is as follows:
One, in the compact high-alumina alumina heavy supporting layer, the quality percentage composition of each component is:
1～3mm alumine 35～45%; Less than mm alumine 20～35%; Be not more than 325 height of eye bauxitic clays 20～35%; Clay powder 5～10%; Add wedding agent 3～5%;
Two, light heat insulation layer is for being the light heat insulation layer of aglite with the corundum bollow ball, and its technical indicator and content ratio are as follows:
In the corundum bollow ball high-strength light thermofin, Al
2O
3Quality percentage composition＞92%, particle diameter is 0.2～5mm, natural tap density 0.6～0.9g/cm
3The quality percentage composition of each component is: corundum bollow ball 34～60%, α-Al
2O
3Micro mist 40～66%, to add wedding agent be α-Al
2O
330～35% of micro mist quality percentage composition;
The preparation method of B, corundum hollow sphere structure heat-insulating integrated composite brick:
(1) heavy supporting layer preparation: will be not more than 325 powder materials earlier and prepare the back in proportion and in ball mill, mix, and mix the powder that the back adding mixes at all the other particless of aggregates and wedding agent again, and stir standby after 10～30 minutes;
(2) light heat insulation layer preparation: with the corundum bollow ball is aglite, and aglite is mixed with wedding agent in proportion, add in proportion then powder stir 10～30 minutes standby;
(3) moulding: finish after the batching, with dividing plate the material chamber of forming mould is divided into two portions, the length dimension ratio of heavy supporting layer and light heat insulation layer is 1～5: 2～1, and reinforced back is extracted dividing plate out, adopts vibrations pressurization or mechanical pressing;
(4) burn till: the loading of kiln after 80～150 ℃ of oven dry of the base substrate taking-up after the moulding was burnt till in 1500～1650 ℃ of insulations in 3～8 hours.
3. the preparation method of a kind of corundum hollow sphere structure heat-insulating integrated composite brick according to claim 1, it is characterized in that: in the described light heat insulation layer, wedding agent is phosphoric acid solution or phosphate dihydrogen aluminum solution.
4. the preparation method of a kind of corundum hollow sphere structure heat-insulating integrated composite brick according to claim 1, it is characterized in that: in the heavy supporting layer of described fine and close magnesium high alumina, wedding agent is organic bond or phosphoric acid solution or phosphate dihydrogen aluminum solution.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010192173 CN101863674A (en) | 2010-06-07 | 2010-06-07 | Corundum hollow sphere structure heat-insulating integrated composite brick and preparation method thereof |
| PCT/CN2011/075386 WO2011153932A1 (en) | 2010-06-07 | 2011-06-07 | Structure and heat insulation integrated composite brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010192173 CN101863674A (en) | 2010-06-07 | 2010-06-07 | Corundum hollow sphere structure heat-insulating integrated composite brick and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101863674A true CN101863674A (en) | 2010-10-20 |
Family
ID=42955643
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| CN 201010192173 Pending CN101863674A (en) | 2010-06-07 | 2010-06-07 | Corundum hollow sphere structure heat-insulating integrated composite brick and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261846A (en) * | 2011-06-06 | 2011-11-30 | 浙江大学 | Heat-insulating integrated composite brick having zirconium corundum structure and method for preparing heat-insulating integrated composite brick |
| WO2011153932A1 (en) * | 2010-06-07 | 2011-12-15 | 浙江大学 | Structure and heat insulation integrated composite brick |
| CN103058687A (en) * | 2013-01-25 | 2013-04-24 | 苏州罗卡节能科技有限公司 | Middle-density high-alumina brick for revolving kiln and preparation method of brick |
| CN103058682A (en) * | 2013-01-25 | 2013-04-24 | 苏州罗卡节能科技有限公司 | Medium-density brick used for rotary kiln and preparation method thereof |
| CN103086727A (en) * | 2013-01-28 | 2013-05-08 | 浙江大学苏州工业技术研究院 | Intermediate density corundum brick for rotary kiln and preparation method thereof |
| CN103664210A (en) * | 2013-12-09 | 2014-03-26 | 湖南湘钢瑞泰科技有限公司 | Composite brick and preparation method thereof |
| CN105237019A (en) * | 2015-11-19 | 2016-01-13 | 长兴县新宏信耐火材料有限公司 | Novel composite brick made of magnesium-zirconium materials |
| CN111196736A (en) * | 2020-02-14 | 2020-05-26 | 辽宁科技大学 | Box-type resistance furnace complex-phase gradient furnace body brick and complex-phase gradient furnace body |
| CN115368117A (en) * | 2022-09-15 | 2022-11-22 | 山东理工大学 | Aluminum-silicon composite prefabricated member with different densities and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011153932A1 (en) * | 2010-06-07 | 2011-12-15 | 浙江大学 | Structure and heat insulation integrated composite brick |
| CN102261846A (en) * | 2011-06-06 | 2011-11-30 | 浙江大学 | Heat-insulating integrated composite brick having zirconium corundum structure and method for preparing heat-insulating integrated composite brick |
| CN103058687A (en) * | 2013-01-25 | 2013-04-24 | 苏州罗卡节能科技有限公司 | Middle-density high-alumina brick for revolving kiln and preparation method of brick |
| CN103058682A (en) * | 2013-01-25 | 2013-04-24 | 苏州罗卡节能科技有限公司 | Medium-density brick used for rotary kiln and preparation method thereof |
| CN103086727A (en) * | 2013-01-28 | 2013-05-08 | 浙江大学苏州工业技术研究院 | Intermediate density corundum brick for rotary kiln and preparation method thereof |
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| CN103664210B (en) * | 2013-12-09 | 2015-06-10 | 湖南湘钢瑞泰科技有限公司 | Composite brick and preparation method thereof |
| CN105237019A (en) * | 2015-11-19 | 2016-01-13 | 长兴县新宏信耐火材料有限公司 | Novel composite brick made of magnesium-zirconium materials |
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Application publication date: 20101020 |