CN104315737B - A kind of preparation method of red mud ceramic heat collecting plate - Google Patents
A kind of preparation method of red mud ceramic heat collecting plate Download PDFInfo
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- CN104315737B CN104315737B CN201410535376.2A CN201410535376A CN104315737B CN 104315737 B CN104315737 B CN 104315737B CN 201410535376 A CN201410535376 A CN 201410535376A CN 104315737 B CN104315737 B CN 104315737B
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- thermal
- red mud
- collecting plate
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- heat collecting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
A preparation method for red mud ceramic heat collecting plate, is characterized in that: a kind of red mud ceramic heat collecting plate is made up of thermal-arrest layer (1), transition zone (2), heat-insulation layer (3) three part.Red mud ceramic heat collecting plate prepared by the present invention can fully flutter the light wave catching each frequency under the irradiation of sunshine, make the surface temperature of red mud ceramic heat collecting plate up to 100 DEG C, hot-cast socket ability can reach more than 95%, owing to have employed once-firing, transition zone is added in the middle of thermal-arrest layer and heat-insulation layer, efficiently solve the hole diameter caused because material melting point is inconsistent between thermal-arrest layer and heat-insulation layer excessive, the shortcoming that bond strength and thermal shock resistance reduce, monochrome can be prepared into by adding ceramic toner, the red mud ceramic heat collecting plate of the shades of colours such as tertiary colour, production technology is simple, cost is low, Heat-collecting effect is good.
Description
Technical field
The present invention relates to a kind of preparation method of red mud ceramic heat collecting plate, belong to field of ceramic preparation technology.
Background technology
Red mud ceramic heat collecting plate can produce a kind of material of a large amount of heat energy when being subject to sunlight.Still continue to use the method for traditional salt pan Sai salt in coastal area salt industry, efficiency is lower.
Summary of the invention
The object of this invention is to provide the preparation method of the red mud ceramic heat collecting plate that a kind of heat collection function is high, production cost is low, its technical scheme is:
A preparation method for red mud ceramic heat collecting plate, red mud ceramic heat collecting plate is made up of thermal-arrest layer (1), transition zone (2), heat-insulation layer (3) three part, and concrete grammar comprises the following steps:
A. the preparation of thermal-arrest layer (1): by Yellow river silt, red mud with after weight ratio to be 50 ~ 90:10 ~ 50 added weight percentage the be ceramic paint Homogeneous phase mixing of 5 ~ 30%, in Cinker clew furnace, at the temperature of 1350 ~ 1450 DEG C, melt process makes the thermal-arrest layer frit particle that granularity is 0.1 ~ 2mm;
B. the preparation of transition zone (2): by the thermal-arrest layer frit particle added weight percentage prepared in step a be 5 ~ 20% mullite Homogeneous phase mixing be levigately 10 ~ 50 μm to granularity and make excessive layer raw material;
C. the preparation of heat-insulation layer (3): be, after the gangue Homogeneous phase mixing of 5 ~ 30%, make by mist projection granulating the heat-insulation layer raw material that granularity is 0.1 ~ 1mm by the thermal-arrest layer frit particle added weight percentage prepared in step a;
D. the preparation of red mud ceramic heat collecting plate: first adopt load bearing board (4) left, right, before, the cube that rear and bottom surface surrounds top-open holds burning mould, and apply releasing agent, then by the thermal-arrest layer frit uniform particles plain cloth of preparation in step (a) in holding the bottom of burning mould, and the medial surface being evenly distributed in and holding and burn mould is separated with external partition (5), thickness is 1 ~ 10mm, profile height is 25 ~ 35mm, use internal partition (6) that the transition zone raw material of preparation in step (b) is evenly distributed in the inner side of thermal-arrest layer frit particle again, thickness is 1 ~ 5mm, then by the even plain cloth of heat-insulation layer raw material of preparation in step (c) inside transition zone raw material, the gross thickness of vertically holding the inner plane direction, bottom of burning mould is made to reach 25 ~ 35mm, then the external partition (5) of surrounding is taken out, internal partition (6), 1 ~ 5 hour is incubated at the temperature of 900 ~ 1200 DEG C, crystallization at the temperature of 600 ~ 950 DEG C, anneal 5 ~ 15 hours, through cooling, come out of the stove, cutting and surface grinding make red mud ceramic heat collecting plate.
Compared with prior art, its advantage is in the present invention:
1, red mud ceramic heat collecting plate provided by the invention takes full advantage of in red mud containing miscellaneous metal ion, burn till through high temperature and form complicated solid solution, due in solid solution containing various defect and energy ionic bond not etc., its thermal vibration spectrum distribution is in wider scope, the light wave catching each frequency can be fully flutterred under the irradiation of sunshine, make the surface temperature of red mud ceramic heat collecting plate up to 100 DEG C, hot-cast socket ability can reach more than 95%;
2, the present invention can prepare the various red mud ceramic heat collecting such as monochrome, tertiary colour plate by adding ceramic toner, and this ceramic heat collecting plate has stronger decoration, insulation, sound insulation and the characteristic such as shockproof;
3, in the middle of thermal-arrest layer and heat-insulation layer, add transition zone, efficiently solve that the hole diameter caused because material melting point is inconsistent between thermal-arrest layer and heat-insulation layer is excessive, shortcoming that bond strength and thermal shock resistance reduce;
4, the present invention is owing to have employed once-firing, reduces the production cost of red mud ceramic heat collecting plate significantly;
5, the red mud ceramic heat collecting plate prepared of the present invention is for the Salt production of coastal area, can make Salt production serialization, also have improve significantly while enhancing productivity significantly for the cleanliness factor of product salt.
Accompanying drawing explanation
Fig. 1 is that holding of a kind of red mud ceramic heat collecting plate burns mould and assembly structure schematic diagram;
1, thermal-arrest layer; 2, transition zone; 3, heat-insulation layer; 4, load bearing board; 5, external partition; 6, internal partition
Good, energy-saving and environmental protection.
Detailed description of the invention
embodiment 1
A. the preparation of thermal-arrest layer (1): be 50:50 added weight percentage with weight ratio by Yellow river silt, red mud be after the ceramic paint Homogeneous phase mixing of 5%, in Cinker clew furnace, at the temperature of 1350 DEG C, melt process makes the thermal-arrest layer frit particle that granularity is 0.1mm;
B. the preparation of transition zone (2): by the thermal-arrest layer frit particle added weight percentage prepared in step a be 5% mullite Homogeneous phase mixing be levigately 10 μm to granularity and make excessive layer raw material;
C. the preparation of heat-insulation layer (3): be, after the gangue Homogeneous phase mixing of 5%, make by mist projection granulating the heat-insulation layer raw material that granularity is 0.1mm by the thermal-arrest layer frit particle added weight percentage prepared in step a;
D. the preparation of red mud ceramic heat collecting plate: first adopt load bearing board (4) left, right, before, the cube that rear and bottom surface surrounds top-open holds burning mould, and apply releasing agent, then by the thermal-arrest layer frit uniform particles plain cloth of preparation in step (a) in holding the bottom of burning mould, and the medial surface being evenly distributed in and holding and burn mould is separated with external partition (5), thickness is 1mm, profile height is 25mm, use internal partition (6) that the transition zone raw material of preparation in step (b) is evenly distributed in the inner side of thermal-arrest layer frit particle again, thickness is 1mm, then by the even plain cloth of heat-insulation layer raw material of preparation in step (c) inside transition zone raw material, the gross thickness of vertically holding the inner plane direction, bottom of burning mould is made to reach 25mm, then the external partition (5) of surrounding is taken out, internal partition (6), 1 hour is incubated at the temperature of 900 DEG C, crystallization at the temperature of 600 DEG C, anneal 5 hours, through cooling, come out of the stove, cutting and surface grinding make red mud ceramic heat collecting plate.
embodiment 2
A. the preparation of thermal-arrest layer (1): be 70:30 added weight percentage with weight ratio by Yellow river silt, red mud be after the ceramic paint Homogeneous phase mixing of 18%, in Cinker clew furnace, at the temperature of 1400 DEG C, melt process makes the thermal-arrest layer frit particle that granularity is 1mm;
B. the preparation of transition zone (2): by the thermal-arrest layer frit particle added weight percentage prepared in step a be 13% mullite Homogeneous phase mixing be levigately 30 μm to granularity and make excessive layer raw material;
C. the preparation of heat-insulation layer (3): be, after the gangue Homogeneous phase mixing of 12%, make by mist projection granulating the heat-insulation layer raw material that granularity is 0.5mm by the thermal-arrest layer frit particle added weight percentage prepared in step a;
D. the preparation of red mud ceramic heat collecting plate: first adopt load bearing board (4) left, right, before, the cube that rear and bottom surface surrounds top-open holds burning mould, and apply releasing agent, then by the thermal-arrest layer frit uniform particles plain cloth of preparation in step (a) in holding the bottom of burning mould, and the medial surface being evenly distributed in and holding and burn mould is separated with external partition (5), thickness is 5mm, profile height is 30mm, use internal partition (6) that the transition zone raw material of preparation in step (b) is evenly distributed in the inner side of thermal-arrest layer frit particle again, thickness is 3mm, then by the even plain cloth of heat-insulation layer raw material of preparation in step (c) inside transition zone raw material, the gross thickness of vertically holding the inner plane direction, bottom of burning mould is made to reach 30mm, then the external partition (5) of surrounding is taken out, internal partition (6), 3 hours are incubated at the temperature of 1050 DEG C, crystallization at the temperature of 800 DEG C, anneal 10 hours, through cooling, come out of the stove, cutting and surface grinding make red mud ceramic heat collecting plate.
embodiment 3
A. the preparation of thermal-arrest layer (1): be 90:10 added weight percentage with weight ratio by Yellow river silt, red mud be after the ceramic paint Homogeneous phase mixing of 30%, in Cinker clew furnace, at the temperature of 1450 DEG C, melt process makes the thermal-arrest layer frit particle that granularity is 2mm;
B. the preparation of transition zone (2): by the thermal-arrest layer frit particle added weight percentage prepared in step a be 20% mullite Homogeneous phase mixing be levigately 50 μm to granularity and make excessive layer raw material;
C. the preparation of heat-insulation layer (3): be, after the gangue Homogeneous phase mixing of 30%, make by mist projection granulating the heat-insulation layer raw material that granularity is 1mm by the thermal-arrest layer frit particle added weight percentage prepared in step a;
D. the preparation of red mud ceramic heat collecting plate: first adopt load bearing board (4) left, right, before, the cube that rear and bottom surface surrounds top-open holds burning mould, and apply releasing agent, then by the thermal-arrest layer frit uniform particles plain cloth of preparation in step (a) in holding the bottom of burning mould, and the medial surface being evenly distributed in and holding and burn mould is separated with external partition (5), thickness is 10mm, profile height is 35mm, use internal partition (6) that the transition zone raw material of preparation in step (b) is evenly distributed in the inner side of thermal-arrest layer frit particle again, thickness is 5mm, then by the even plain cloth of heat-insulation layer raw material of preparation in step (c) inside transition zone raw material, the gross thickness of vertically holding the inner plane direction, bottom of burning mould is made to reach 35mm, then the external partition (5) of surrounding is taken out, internal partition (6), 5 hours are incubated at the temperature of 1200 DEG C, crystallization at the temperature of 950 DEG C, anneal 15 hours, through cooling, come out of the stove, cutting and surface grinding make red mud ceramic heat collecting plate.
Claims (1)
1. a preparation method for red mud ceramic heat collecting plate, is characterized in that: red mud ceramic heat collecting plate is made up of thermal-arrest layer (1), transition zone (2), heat-insulation layer (3) three part, and concrete preparation method comprises the following steps:
A. the preparation of thermal-arrest layer (1): by Yellow river silt, red mud with after weight ratio to be 50 ~ 90:10 ~ 50 added weight percentage the be ceramic paint Homogeneous phase mixing of 5 ~ 30%, in Cinker clew furnace, at the temperature of 1350 ~ 1450 DEG C, melt process makes the thermal-arrest layer frit particle that granularity is 0.1 ~ 2mm;
B. the preparation of transition zone (2): by the thermal-arrest layer frit particle added weight percentage prepared in step a be 5 ~ 20% mullite Homogeneous phase mixing be levigately 10 ~ 50 μm to granularity and make transition zone raw material;
C. the preparation of heat-insulation layer (3): by the thermal-arrest layer frit particle added weight percentage prepared in step a be 5 ~ 30% gangue levigate after, make by mist projection granulating the heat-insulation layer raw material that granularity is 0.1 ~ 0.6mm;
D. the preparation of red mud ceramic heat collecting plate: first adopt load bearing board (4) left, right, before, the cube that rear and bottom surface surrounds top-open holds burning mould, and apply releasing agent, then the thermal-arrest layer frit uniform particles plain cloth prepared in step a is burnt the bottom of mould in holding, and the medial surface being evenly distributed in and holding and burn mould is separated with external partition (5), thickness is 1 ~ 10mm, profile height is 25 ~ 35mm, use internal partition (6) that the transition zone raw material prepared in step b is evenly distributed in the inner side of thermal-arrest layer frit particle again, thickness is 1 ~ 5mm, then by the even plain cloth of heat-insulation layer raw material prepared in step c inside transition zone raw material, the gross thickness of vertically holding the inner plane direction, bottom of burning mould is made to reach 25 ~ 35mm, then the external partition (5) of surrounding is taken out, internal partition (6), 1 ~ 5 hour is incubated at the temperature of 900 ~ 1200 DEG C, crystallization at the temperature of 600 ~ 950 DEG C, anneal 5 ~ 15 hours, through cooling, come out of the stove, cutting and surface grinding make red mud ceramic heat collecting plate.
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| CN201410535376.2A CN104315737B (en) | 2014-10-13 | 2014-10-13 | A kind of preparation method of red mud ceramic heat collecting plate |
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| CN201410535376.2A CN104315737B (en) | 2014-10-13 | 2014-10-13 | A kind of preparation method of red mud ceramic heat collecting plate |
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| CN104315737B true CN104315737B (en) | 2016-01-20 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201697381U (en) * | 2010-03-22 | 2011-01-05 | 黄锦熙 | Composite foam black porcelain solar heat collecting plate |
| CN102297536A (en) * | 2010-06-23 | 2011-12-28 | 黄锦熙 | Composite black porcelain solar energy heat collecting plate and manufacturing method thereof |
| US20130233304A1 (en) * | 2012-03-07 | 2013-09-12 | Santa Clara University | Design of Integrated Heat Exchanger into Solar Absorber for Affordable Small-scale Concentrated Solar Power Generation (SCU) |
| CN103640284A (en) * | 2013-12-11 | 2014-03-19 | 重庆埃泰克能源科技有限公司 | Infrared radiation reinforced composite ceramic fiber board and preparation method |
| CN103940102A (en) * | 2013-01-23 | 2014-07-23 | 余华阳 | Full-glass vacuum flat plate collector and solar wall thereof |
-
2014
- 2014-10-13 CN CN201410535376.2A patent/CN104315737B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201697381U (en) * | 2010-03-22 | 2011-01-05 | 黄锦熙 | Composite foam black porcelain solar heat collecting plate |
| CN102297536A (en) * | 2010-06-23 | 2011-12-28 | 黄锦熙 | Composite black porcelain solar energy heat collecting plate and manufacturing method thereof |
| US20130233304A1 (en) * | 2012-03-07 | 2013-09-12 | Santa Clara University | Design of Integrated Heat Exchanger into Solar Absorber for Affordable Small-scale Concentrated Solar Power Generation (SCU) |
| CN103940102A (en) * | 2013-01-23 | 2014-07-23 | 余华阳 | Full-glass vacuum flat plate collector and solar wall thereof |
| CN103640284A (en) * | 2013-12-11 | 2014-03-19 | 重庆埃泰克能源科技有限公司 | Infrared radiation reinforced composite ceramic fiber board and preparation method |
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