CN104876603A - Heat-insulation refractory brick manufacturing method - Google Patents
Heat-insulation refractory brick manufacturing method Download PDFInfo
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- CN104876603A CN104876603A CN201510286018.7A CN201510286018A CN104876603A CN 104876603 A CN104876603 A CN 104876603A CN 201510286018 A CN201510286018 A CN 201510286018A CN 104876603 A CN104876603 A CN 104876603A
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- Prior art keywords
- parts
- heat
- refractory brick
- insulation
- raw material
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- 239000011449 brick Substances 0.000 title claims abstract description 26
- 238000009413 insulation Methods 0.000 title abstract description 9
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000004927 clay Substances 0.000 claims abstract description 17
- 229910052570 clay Inorganic materials 0.000 claims abstract description 17
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 17
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 16
- 239000004568 cement Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000001354 calcination Methods 0.000 claims description 5
- 238000000748 compression moulding Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 5
- 239000011819 refractory material Substances 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- SMYKVLBUSSNXMV-UHFFFAOYSA-J aluminum;tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Al+3] SMYKVLBUSSNXMV-UHFFFAOYSA-J 0.000 abstract 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000007767 bonding agent Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229960003563 Calcium Carbonate Drugs 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 pottery Substances 0.000 description 1
- 229910052904 quartz Inorganic materials 0.000 description 1
- 239000011044 quartzite Substances 0.000 description 1
- 239000003469 silicate cement Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses a heat-insulation refractory brick manufacturing method and relates to the technical field of manufacturing of refractory materials. The heat-insulation refractory brick manufacturing method includes preparing, by weight, 25-35 parts of calcined bauxite, 30-40 parts of silica powder, 15-20 parts of combined clay and 5-8 parts of calcium aluminate cement, mixing, making blank, drying and baking. Compared with the prior art, the heat-insulation refractory brick manufacturing method is high in compression strength, resistant to high temperature and low in heat conductivity and is good in heat insulation effect as a heat-insulation material of a boiler wall, and the boiler using the heat-insulation refractory brick keeps heat long and energy resource is saved.
Description
Technical field
The present invention relates to refractory materials manufacturing technology field, especially a kind of preparation method of insulating fire brick.
Background technology
The thermofin of boiler setting and can not play the effect of heat insulating by the liner of high temperature molten slag and aggressive gas effect, reduce boiler heat lost by radiation, save energy, this thermofin refractory brick used requires that compressive strength is high, high temperature resistant, thermal conductivity is low, and the refractory brick compressive strength of producing at present is high, high temperature resistant, but thermal conductivity is high, insulating layer material as boiler setting can cause boiler effect of heat insulation poor, and rapid heat dissipation, wastes energy.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of preparation method of insulating fire brick, with the problem that the refractory brick thermal conductivity solving production is at present high.
In order to solve the problem, the technical solution used in the present invention is: the preparation method of this insulating fire brick, comprises the raw material of following weight part: bauxite clinker 25 parts ~ 35 parts, ground silica 30 parts ~ 40 parts, bonding clay 15 parts ~ 20 parts, aluminous cement 5 parts ~ 8 parts;
Operation steps is as follows:
A. bauxite clinker, ground silica, bonding clay, aluminous cement is taken by the weight part of above-mentioned each raw material, for subsequent use;
B. described bauxite clinker, described ground silica are put into mixer, add the water accounting for raw material gross weight 3% ~ 5%, stir 5min ~ 8min, then add described bonding clay and described aluminous cement and be uniformly mixed, obtaining compound;
C. adopt brick pressing machine by the compression moulding of step b gained compound, make adobe;
D. adobe is dried to water ratio lower than 7% at 80 DEG C ~ 120 DEG C temperature;
E. calcining kiln is put in the adobe of steps d gained to sinter at 1300 DEG C ~ 1400 DEG C temperature, obtain this insulating fire brick.
Described bauxite clinker, is called for short high aluminium material, the various high alumina bricks manufactured with its grog, and be metallurgical industry and the widely used fire-resistant or impregnating material of other industry, fire-resistant effect is very remarkable.
Described silica, also claims quartzite, and essential mineral is quartzy SiO2, and silica is the main raw material of refractory materials, and its thermal conductivity is low, industrial for glass, pottery, silicate cement etc.
Described bonding clay, is mainly kaolinite composition, is a kind of high plasticity clay, has good plasticity-, good associativity, dispersiveness, rheological.Bonding clay is a kind of important bonding agent, in order to improve the intensity of goods, regulates sintering temperature, increases sintering strength and extrudate density, improves processing workability.
Described aluminous cement, it coordinates by a certain percentage with calcium carbonate (Wingdale) with natural bauxite grog or commercial alumina, makes, in refractory materials, be commonly used for bonding agent through calcining or electric smelting.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect:
The present invention adopts bauxite clinker and ground silica to be main raw material, bonding clay and aluminous cement are bonding agent, through batching, batch mixing, base, drying, fire insulating fire brick, this insulating fire brick compressive strength is high, high temperature resistant, thermal conductivity is low, as the insulating layer material good heat-insulation effect of boiler setting, boiler is dispelled the heat slow, save energy.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1
A preparation method for insulating fire brick, comprises the raw material of following weight part: bauxite clinker 250 kilograms, ground silica 300 kilograms, bonding clay 150 kilograms, aluminous cement 50 kilograms;
Operation steps is as follows:
A. bauxite clinker, ground silica, bonding clay, aluminous cement is taken by the weight part of above-mentioned each raw material, for subsequent use;
B. bauxite clinker, ground silica are put into mixer, add the water accounting for raw material gross weight 3%, stir 5min, then add bonding clay and aluminous cement and be uniformly mixed, obtaining compound;
C. adopt brick pressing machine by the compression moulding of step b gained compound, make adobe;
D. adobe is dried to water ratio lower than 7% at 80 DEG C of temperature;
E. calcining kiln is put in the adobe of steps d gained to sinter at 1200 DEG C of temperature, obtain this insulating fire brick.
Embodiment 2
A preparation method for insulating fire brick, comprises the raw material of following weight part: bauxite clinker 350 kilograms, ground silica 400 kilograms, bonding clay 200 kilograms, aluminous cement 80 kilograms;
Operation steps is as follows:
A. bauxite clinker, ground silica, bonding clay, aluminous cement is taken by the weight part of above-mentioned each raw material, for subsequent use;
B. bauxite clinker, ground silica are put into mixer, add the water accounting for raw material gross weight 5%, stir 8min, then add bonding clay and aluminous cement and be uniformly mixed, obtaining compound;
C. adopt brick pressing machine by the compression moulding of step b gained compound, make adobe;
D. adobe is dried to water ratio lower than 7% at 120 DEG C of temperature;
E. calcining kiln is put in the adobe of steps d gained to sinter at 1300 DEG C of temperature, obtain this insulating fire brick.
Claims (1)
1. a preparation method for insulating fire brick, is characterized in that the raw material comprising following weight part: bauxite clinker 25 parts ~ 35 parts, ground silica 30 parts ~ 40 parts, bonding clay 15 parts ~ 20 parts, aluminous cement 5 parts ~ 8 parts;
Operation steps is as follows:
A. bauxite clinker, ground silica, bonding clay, aluminous cement is taken by the weight part of above-mentioned each raw material, for subsequent use;
B. described bauxite clinker, described ground silica are put into mixer, add the water accounting for raw material gross weight 3% ~ 5%, stir 5min ~ 8min, then add described bonding clay and described aluminous cement and be uniformly mixed, obtaining compound;
C. adopt brick pressing machine by the compression moulding of step b gained compound, make adobe;
D. adobe is dried to water ratio lower than 7% at 80 DEG C ~ 120 DEG C temperature;
E. calcining kiln is put in the adobe of steps d gained to sinter at 1200 DEG C ~ 1300 DEG C temperature, obtain this insulating fire brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510286018.7A CN104876603A (en) | 2015-05-29 | 2015-05-29 | Heat-insulation refractory brick manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510286018.7A CN104876603A (en) | 2015-05-29 | 2015-05-29 | Heat-insulation refractory brick manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104876603A true CN104876603A (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510286018.7A Pending CN104876603A (en) | 2015-05-29 | 2015-05-29 | Heat-insulation refractory brick manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104876603A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105859267A (en) * | 2016-05-11 | 2016-08-17 | 枞阳县海力机械制造有限责任公司 | Quartzite -based refractory brick for gas producer |
| CN108484127A (en) * | 2018-01-24 | 2018-09-04 | 合肥铭佑高温技术有限公司 | A kind of highiy refractory brick and preparation method |
| CN113200758A (en) * | 2021-05-19 | 2021-08-03 | 河南省登封市光大耐火材料有限公司 | High-quality high-aluminum runner brick and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334257A (en) * | 2000-07-15 | 2002-02-06 | 淄博科鲁能源动力有限责任公司 | High-strength antiwear refractory brick |
| CN1437566A (en) * | 2000-05-05 | 2003-08-20 | 彼德·科利尔 | Improvements in building blocks |
| CN1552796A (en) * | 2003-05-29 | 2004-12-08 | 宝山钢铁股份有限公司 | Semi-dry method gun mix for coal oven reparing |
-
2015
- 2015-05-29 CN CN201510286018.7A patent/CN104876603A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1437566A (en) * | 2000-05-05 | 2003-08-20 | 彼德·科利尔 | Improvements in building blocks |
| CN1334257A (en) * | 2000-07-15 | 2002-02-06 | 淄博科鲁能源动力有限责任公司 | High-strength antiwear refractory brick |
| CN1552796A (en) * | 2003-05-29 | 2004-12-08 | 宝山钢铁股份有限公司 | Semi-dry method gun mix for coal oven reparing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105859267A (en) * | 2016-05-11 | 2016-08-17 | 枞阳县海力机械制造有限责任公司 | Quartzite -based refractory brick for gas producer |
| CN108484127A (en) * | 2018-01-24 | 2018-09-04 | 合肥铭佑高温技术有限公司 | A kind of highiy refractory brick and preparation method |
| CN113200758A (en) * | 2021-05-19 | 2021-08-03 | 河南省登封市光大耐火材料有限公司 | High-quality high-aluminum runner brick and preparation method thereof |
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| C06 | Publication | ||
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| EXSB | Decision made by sipo to initiate substantive examination | ||
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Application publication date: 20150902 |
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| RJ01 | Rejection of invention patent application after publication |