CN104310969B - A kind of powder for the preparation of mould brick, glass bending mould brick and its preparation method - Google Patents
A kind of powder for the preparation of mould brick, glass bending mould brick and its preparation method Download PDFInfo
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Abstract
The present invention discloses a kind of powder for the preparation of mould brick, glass bending mould brick and its preparation method, and described powder comprises the component of following weight part number: perlite 10��15 parts, silicon powder 15��25 parts, alpha-aluminium oxide powder 25��30 parts, magnesia powder 8��12 parts, clay powder 5��16 parts. The powder for the preparation of mould brick of the present invention, carries out composite as substrate material using perlite, silicon powder, alpha-aluminium oxide powder, magnesia powder and clay powder, and rationally, each component is coupled formula mutually, synergy; Adding bonding agent, fiber and water again and make mould brick, gained glass bending is even with mould brick structure, good thermal shock stability, intensity height, processing is without micronic dust, cost is low, and the production meeting automobile rearview mirror production and hot curved glass, for the demand of mould brick high use properties, has broad application prospects.
Description
Technical field
The invention belongs to glass production mould brick technical field, it is specifically related to a kind of powder for the preparation of mould brick, also relate to the glass bending mould brick using this preparation and its preparation method simultaneously.
Background technology
The curved glass of heat adds thermal softening by sheet glass, shaping in a mold, then the bend glass made through annealing. Heat the general pattern of curved glass attractive in appearance, lines are smooth, breach the unicity of sheet glass, it may also be useful on more versatile and flexible, the quality requirements of modern architecture can be met.
Glass bending mould brick is mainly used in making the mould of glass bending, as made the mould of automobile rearview mirror, side mirror, magnifying glass, is the important profiled part of glass bending production line, it may also be useful to environment is very severe. The applying working condition temperature range of glass bending mould brick is: with 600 DEG C��800 DEG C, glass contact face, with 150 DEG C��300 DEG C, non-glass contact face. In order to the hot curved glass of production high-quality, glass bending mould brick must have following performance: 1) even structure, exquisiteness, must not have any impurity; 2) intensity height, has workability, does not produce micronic dust after processing; 3) there is good thermal shock resistance energy; 4) volume stability under different high temperature, has low thermal expansion; 5) having applied at elevated temperature performance, with glass, any reaction must not occur, must not there is pit, mildew, locus coeruleus in glass surface. But, the existing general poor quality of mould brick on market, performance is not good, can not meet people to the demand of glass bending mould brick high use properties.
Summary of the invention
It is an object of the invention to provide a kind of powder for the preparation of mould brick, solve existing mould brick and can not meet people to the demand of high use properties.
2nd object of the present invention is to provide a kind of glass bending mould brick.
3rd object of the present invention is to provide the preparation method of a kind of glass bending mould brick.
In order to realize above object, the technical solution adopted in the present invention is: a kind of powder for the preparation of mould brick, comprises the component of following weight part number: perlite 10��15 parts, silicon powder 15��25 parts, alpha-aluminium oxide powder 25��30 parts, magnesia powder 8��12 parts, clay powder 5��16 parts.
Preferably, the specification of described perlite > 200 orders. The specification of described silicon powder > 1500 orders. The specification of described alpha-aluminium oxide powder > 1000 orders. The specification of described magnesia powder > 1000 orders. The specification of described clay powder > 360 orders.
A kind of glass bending mould brick, is made up of the raw material of following weight part number: perlite 10��15 parts, silicon powder 15��25 parts, alpha-aluminium oxide powder 25��30 parts, magnesia powder 8��12 parts, clay powder 5��16 parts, bonding agent 10��15 parts, fiber 5��8 parts, 25��30 parts, water.
Described bonding agent is aluminium dihydrogen phosphate, aluminium hydroxide or calcium lignin sulphonate.
Described fiber is glass fibre. The diameter of described glass fibre is less than 0.1mm.
A preparation method for above-mentioned glass bending mould brick, comprises the following steps:
1) get perlite, silicon powder, alpha-aluminium oxide powder, magnesia powder, clay powder, bonding agent, fiber by weight, mix with water, obtain compound;
2) after compound being added shaper, shaper is placed in pressing machine, makes compound reach closely knit state, the demoulding through exhaust, compacting, pressurize, obtain blank;
3) by step 2) gained blank carries out maintenance, after be dried to when blank moisture content is less than 1% and sinter, to obtain final product.
Step 2) described in closely knit state be volume density be 0.75g/cm3��0.95g/cm3��
Step 2) described in compacting pressure be 10��15MPa; The time of described pressurize is 10��15s.
Maintenance described in step 3) refers to, with plastic film, blank covering is carried out maintenance; The time of maintenance is 15 days.
Temperature dry described in step 3) is 120��150 DEG C.
Described in step 3), the temperature of sintering is 1050 DEG C��1150 DEG C, and the time is 130��150h.
The powder for the preparation of mould brick of the present invention, carries out composite as substrate material using perlite, silicon powder, alpha-aluminium oxide powder, magnesia powder and clay powder, and rationally, each component is coupled formula mutually, synergy; Adding bonding agent, fiber and water again and make mould brick, gained glass bending is even with mould brick structure, good thermal shock stability, intensity height, processing is without micronic dust, cost is low, and the production meeting automobile rearview mirror production and hot curved glass, for the demand of mould brick high use properties, has broad application prospects.
The glass bending of the present invention mould brick, adopts above-mentioned powder to make substrate material, then adds bonding agent, fiber and water and make, and products obtained therefrom has the following advantages:
1) structure is fine and smooth: solid material used is ultrafine powder material, and makes fine powder dispersion agent with ultra-fine fibre, and gained mould brick structure is even, fine and smooth;
2) intensity height: bonding agent and substrate material just can form Ceramic bond at 600 DEG C, and solid material used all adopts super-fine powder material simultaneously, is more conducive to low temperature bond, makes product from blank to low temperature and high-temperature time has enough structural strengths;
3) there is processability: adopt ultra-fine fibre as dispersion agent, make interiors of products define uniform through pore, there is good processing characteristics, and due to product strength height, hardness big, processing rear surface does not produce micronic dust;
4) volume is stablized: solid material major part is high-purity agglomerated material, products obtained therefrom volume is very stable, 1000 DEG C of reheating linear change rate on reheating are zero, ensure the glass bending mould brick stability that (the upper and lower surface temperature difference 200 DEG C��850 DEG C) uses under big temperature difference operating mode for a long time;
5) foreign matter content is low, and heat resistance is good, it may also be useful to the shaping glass surface of the glass bending mould brick of the present invention is without pit, without locus coeruleus, without mist spot.
The glass bending of the present invention preparation method of mould brick, adopt the technique of batch mixing, die-filling compacting, demoulding maintenance, drying, sintering successively, gained glass bending is even with mould brick structure, good thermal shock stability, intensity height, processing, without micronic dust, meets the demand of production for mould brick high use properties of automobile rearview mirror production and hot curved glass; Can preparing plurality of specifications size according to demand, eliminate the operation of cutting during follow-up use, suitability is wide; Technique is simple, and easy to operate, cost is low, is applicable to large-scale industrial production.
Embodiment
Below in conjunction with specific embodiments, the present invention is further illustrated.
Embodiment 1
The powder for the preparation of mould brick of the present embodiment, comprises the component of following weight part number: perlite 12 parts, silicon powder 18 parts, 25 parts, the micro-powder of Alpha-alumina, 10 parts, the micro-powder of high-purity magnesium oxide, clay powder 15 parts. In the micro-powder of high-purity magnesium oxide, the content of MgO is greater than 99.99%.
The specification of described perlite > 200 orders; The specification of described silicon powder > 1500 orders; The specification of the micro-powder of described Alpha-alumina > 1000 orders; The specification of the micro-powder of described high-purity magnesium oxide > 1000 orders; The specification of described clay powder > 360 orders.
The glass bending of the present embodiment mould brick, is made up of the raw material of following weight part number: perlite 12 parts, silicon powder 18 parts, 25 parts, the micro-powder of Alpha-alumina, 10 parts, the micro-powder of high-purity magnesium oxide, clay powder 15 parts, bonding agent (aluminium dihydrogen phosphate) 12 parts, 8 parts, glass fibre, 25 parts, water. The mean diameter of described glass fibre is 80 ��m.
The glass bending of the present embodiment preparation method of mould brick, comprises the following steps:
1) get perlite, silicon powder, the micro-powder of Alpha-alumina, the micro-powder of high-purity magnesium oxide, clay powder, bonding agent (aluminium dihydrogen phosphate), glass fibre by weight, mix with water, obtain compound;
2), after compound being added shaper, shaper is placed in hydraulic press, through exhaust, 10MPa when compacting, pressurize 15s make compound reach closely knit state (volume density is 0.75g/cm3��0.95g/cm3), the demoulding, obtains blank;
3) with plastic film by step 2) gained blank covers and carries out maintenance, and maintenance is placed in drying kiln on 15th, dry at 150 DEG C, when being less than 1% to blank moisture content, sinters at 1050 DEG C, to obtain final product.
Embodiment 2
The powder for the preparation of mould brick of the present embodiment, comprises the component of following weight part number: perlite 15 parts, silicon powder 15 parts, 28 parts, the micro-powder of Alpha-alumina, 10 parts, the micro-powder of high-purity magnesium oxide, clay powder 16 parts. In the micro-powder of high-purity magnesium oxide, the content of MgO is greater than 99.99%.
The specification of described perlite > 200 orders; The specification of described silicon powder > 1500 orders; The specification of the micro-powder of described Alpha-alumina > 1000 orders; The specification of the micro-powder of described high-purity magnesium oxide > 1000 orders; The specification of described clay powder > 360 orders.
The glass bending of the present embodiment mould brick, is made up of the raw material of following weight part number: perlite 15 parts, silicon powder 15 parts, 28 parts, the micro-powder of Alpha-alumina, 10 parts, the micro-powder of high-purity magnesium oxide, clay powder 16 parts, bonding agent (aluminium hydroxide) 10 parts, 6 parts, glass fibre, 28 parts, water. The mean diameter of described glass fibre is 50 ��m.
The glass bending of the present embodiment preparation method of mould brick, comprises the following steps:
1) get perlite, silicon powder, the micro-powder of Alpha-alumina, the micro-powder of high-purity magnesium oxide, clay powder, bonding agent (aluminium hydroxide), glass fibre by weight, mix with water, obtain compound;
2), after compound being added shaper, shaper is placed in hydraulic press, through exhaust, 12MPa when compacting, pressurize 14s make compound reach closely knit state (volume density is 0.75g/cm3��0.95g/cm3), the demoulding, obtains blank;
3) with plastic film by step 2) gained blank covers and carries out maintenance, and maintenance is placed in drying kiln on 15th, dry at 140 DEG C, when being less than 1% to blank moisture content, sinters at 1100 DEG C, to obtain final product.
Embodiment 3
The powder for the preparation of mould brick of the present embodiment, comprises the component of following weight part number: perlite 13 parts, silicon powder 16 parts, 30 parts, the micro-powder of Alpha-alumina, 8 parts, the micro-powder of high-purity magnesium oxide, clay powder 10 parts. In the micro-powder of high-purity magnesium oxide, the content of MgO is greater than 99.99%.
The specification of described perlite > 200 orders; The specification of described silicon powder > 1500 orders; The specification of the micro-powder of described Alpha-alumina > 1000 orders; The specification of the micro-powder of described high-purity magnesium oxide > 1000 orders; The specification of described clay powder > 360 orders.
The glass bending of the present embodiment mould brick, is made up of the raw material of following weight part number: perlite 13 parts, silicon powder 16 parts, 30 parts, the micro-powder of Alpha-alumina, 8 parts, the micro-powder of high-purity magnesium oxide, clay powder 10 parts, bonding agent (calcium lignin sulphonate) 13 parts, 5 parts, glass fibre, 25 parts, water. The mean diameter of described glass fibre is 20 ��m.
The glass bending of the present embodiment preparation method of mould brick, comprises the following steps:
1) get perlite, silicon powder, the micro-powder of Alpha-alumina, the micro-powder of high-purity magnesium oxide, clay powder, bonding agent (calcium lignin sulphonate), glass fibre by weight, mix with water, obtain compound;
2), after compound being added shaper, shaper is placed in hydraulic press, through exhaust, 13MPa when compacting, pressurize 12s make compound reach closely knit state (volume density is 0.75g/cm3��0.95g/cm3), the demoulding, obtains blank;
3) with plastic film by step 2) gained blank covers and carries out maintenance, and maintenance is placed in drying kiln on 15th, dry at 120 DEG C, when being less than 1% to blank moisture content, sinters at 1150 DEG C, to obtain final product.
Embodiment 4
The powder for the preparation of mould brick of the present embodiment, comprises the component of following weight part number: perlite 10 parts, silicon powder 25 parts, 25 parts, the micro-powder of Alpha-alumina, 12 parts, the micro-powder of high-purity magnesium oxide, clay powder 5 parts. In the micro-powder of high-purity magnesium oxide, the content of MgO is greater than 99.99%.
The specification of described perlite > 200 orders; The specification of described silicon powder > 1500 orders; The specification of the micro-powder of described Alpha-alumina > 1000 orders; The specification of the micro-powder of described high-purity magnesium oxide > 1000 orders; The specification of described clay powder > 360 orders.
The glass bending of the present embodiment mould brick, is made up of the raw material of following weight part number: perlite 12 parts, silicon powder 18 parts, 25 parts, the micro-powder of Alpha-alumina, 10 parts, the micro-powder of high-purity magnesium oxide, clay powder 5 parts, bonding agent (calcium lignin sulphonate) 15 parts, 8 parts, glass fibre, 26 parts, water. The mean diameter of described glass fibre is 30 ��m.
The glass bending of the present embodiment preparation method of mould brick, comprises the following steps:
1) get perlite, silicon powder, the micro-powder of Alpha-alumina, the micro-powder of high-purity magnesium oxide, clay powder, bonding agent (calcium lignin sulphonate), glass fibre by weight, mix with water, obtain compound;
2), after compound being added shaper, shaper is placed in hydraulic press, through exhaust, 15MPa when compacting, pressurize 10s make compound reach closely knit state (volume density is 0.75g/cm3��0.95g/cm3), the demoulding, obtains blank;
3) with plastic film by step 2) gained blank covers and carries out maintenance, and maintenance is placed in drying kiln on 15th, dry at 130 DEG C, when being less than 1% to blank moisture content, sinters at 1050 DEG C, to obtain final product.
Experimental example
Embodiment 1-4 gained glass bending mould brick is detected by this experimental example. Result is as shown in table 1.
The table 1 embodiment 1-4 gained glass bending detected result of mould brick
Claims (9)
1. a glass bending mould brick, it is characterised in that: it is made up of the raw material of following weight part number: perlite 10��15 parts, silicon powder 15��25 parts, alpha-aluminium oxide powder 25��30 parts, magnesia powder 8��12 parts, clay powder 5��16 parts, bonding agent 10��15 parts, fiber 5��8 parts, 25��30 parts, water.
2. glass bending mould brick according to claim 1, it is characterised in that: described bonding agent is aluminium dihydrogen phosphate, aluminium hydroxide or calcium lignin sulphonate.
3. glass bending mould brick according to claim 1, it is characterised in that: described fiber is glass fibre.
4. the preparation method of a glass bending mould brick as claimed in claim 1, it is characterised in that: comprise the following steps:
1) get perlite, silicon powder, alpha-aluminium oxide powder, magnesia powder, clay powder, bonding agent, fiber by weight, mix with water, obtain compound;
2) after compound being added shaper, shaper is placed in pressing machine, makes compound reach closely knit state, the demoulding through exhaust, compacting, pressurize, obtain blank;
3) by step 2) gained blank carries out maintenance, after be dried to when blank moisture content is less than 1% and sinter, to obtain final product.
5. the preparation method of glass bending mould brick according to claim 4, it is characterised in that: step 2) described in closely knit state be volume density be 0.75g/cm3��0.95g/cm3��
6. the glass bending preparation method of mould brick according to claim 4 or 5, it is characterised in that: step 2) described in the pressure of compacting be 10��15MPa; The time of described pressurize is 10��15s.
7. the preparation method of glass bending mould brick according to claim 4, it is characterised in that: step 3) described in maintenance refer to plastic film by blank cover carry out maintenance; The time of maintenance is 15 days.
8. the preparation method of glass bending mould brick according to claim 4, it is characterised in that: step 3) described in dry temperature be 120��150 DEG C.
9. the preparation method of glass bending mould brick according to claim 4, it is characterised in that: step 3) described in sintering temperature be 1050 DEG C��1150 DEG C, the time is 130��150h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410133486.6A CN104310969B (en) | 2014-04-03 | 2014-04-03 | A kind of powder for the preparation of mould brick, glass bending mould brick and its preparation method |
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| CN107663095B (en) * | 2016-07-29 | 2021-02-05 | 济源市涟源炉业有限公司 | Clay heat-insulating refractory brick NG130-1.0 and preparation method thereof |
| CN108706553A (en) * | 2018-07-03 | 2018-10-26 | 贵州大学 | A kind of technique of ardealite and coal ash for manufacturing glass bending modular brick coproduction acid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1480416A (en) * | 2002-09-05 | 2004-03-10 | 吕志乾 | Bottom brick in tin pot |
| CN101747066A (en) * | 2008-12-13 | 2010-06-23 | 新密市中原特种耐火材料有限公司 | Lip tile and preparation method thereof |
| CN102040385A (en) * | 2009-10-24 | 2011-05-04 | 阮克胜 | Composite alkali-resistant refractory brick of pulverized fuel ash |
| CN102485685A (en) * | 2010-12-02 | 2012-06-06 | 上海梅山钢铁股份有限公司 | Low thermal conductivity lightweight coating |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1480416A (en) * | 2002-09-05 | 2004-03-10 | 吕志乾 | Bottom brick in tin pot |
| CN101747066A (en) * | 2008-12-13 | 2010-06-23 | 新密市中原特种耐火材料有限公司 | Lip tile and preparation method thereof |
| CN102040385A (en) * | 2009-10-24 | 2011-05-04 | 阮克胜 | Composite alkali-resistant refractory brick of pulverized fuel ash |
| CN102485685A (en) * | 2010-12-02 | 2012-06-06 | 上海梅山钢铁股份有限公司 | Low thermal conductivity lightweight coating |
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