CN105198481A - Method for utilizing Yellow River silt and red mud for preparing foaming ceramic heat insulating and preserving plate - Google Patents
Method for utilizing Yellow River silt and red mud for preparing foaming ceramic heat insulating and preserving plate Download PDFInfo
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- CN105198481A CN105198481A CN201510615008.3A CN201510615008A CN105198481A CN 105198481 A CN105198481 A CN 105198481A CN 201510615008 A CN201510615008 A CN 201510615008A CN 105198481 A CN105198481 A CN 105198481A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000005187 foaming Methods 0.000 title abstract description 8
- 235000015895 biscuits Nutrition 0.000 claims abstract description 51
- 239000002994 raw material Substances 0.000 claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 239000004927 clay Substances 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 23
- 239000002537 cosmetic Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 19
- 239000002689 soil Substances 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 16
- 238000010792 warming Methods 0.000 claims description 15
- 239000011449 brick Substances 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000000748 compression moulding Methods 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000006229 carbon black Substances 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 229910052656 albite Inorganic materials 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000000454 talc Substances 0.000 claims description 5
- 235000012222 talc Nutrition 0.000 claims description 5
- 229910052623 talc Inorganic materials 0.000 claims description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 239000011591 potassium Substances 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003063 flame retardant Substances 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract 1
- 239000004566 building material Substances 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000004579 marble Substances 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 6
- 239000006063 cullet Substances 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000979 retarding effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011494 foam glass Substances 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention belongs to the field of environment-friendly building materials and building energy saving and provides a method for utilizing Yellow River silt and red mud for preparing a foaming ceramic heat insulating and preserving plate. The method is characterized by comprising the following steps of raw material crushing; raw material mixing, wherein 10-50% of red mud, 30-70% of Yellow River silt, 9.95-50% of clay, 9.95-50% of high-temperature fluxing agent and 0.05-5% of foaming agent are weighed by weight and mixed through a ball mill for 3-15 h, and a blank is prepared for standby; pressing and forming; engobe applying; biscuit sintering, wherein a decorated biscuit is flatly placed into a high-temperature-resistant concave sagger manufactured specially, the segger is placed into a roller kiln, and the decorated biscuit is taken out from the sagger after being sintered for 60-180 minutes at the temperature of 1080 DEG C-1350 DEG C to prepare a foaming ceramic heat insulating and preserving plate coarse product; the coarse product is cut off to prepare the foaming ceramic heat insulating and preserving plate. The foaming ceramic heat insulating and preserving plate prepared through the method has the advantages of being light, high in strength, and good in fireproof, flame retardant and aging resistant performance, and the service life of the plate is the same as that of a building.
Description
Technical field
The present invention relates to and a kind ofly adopt red mud and Yellow River mud to be the method that main raw material prepares foamed ceramic heat insulating board, belong to green construction material and building energy saving field.
Background technology
Red mud is the industrial solid wastes of discharging refine aluminum oxide from a kind of bauxite after, often produces 1 ton of aluminum oxide, generally incidentally produces 1.0 ~ 2.0 tons of red muds.Red mud quantity discharged is large, and utilization ratio is low, causes severe contamination to environment.Chinese scholars is explored and is utilized red mud to prepare cement, glass, pottery and materials for wall etc.Japanese invention patent " Redmudtreatmentmethodandcementclinkerproductionmethod " (JP2003061008) discloses a kind of production method utilizing red mud to produce cement clinker; Chinese invention patent " novel processing step of red mud Light Wall " (CN102503507A) discloses a kind of method adopting red mud, cullet, tile polished waste etc. to prepare light wall material; Chinese invention patent " preparation method of red mud iron reduction furnace slag light foamed ceramic and iron reduction furnace " (CN201110340256) discloses a kind of preparation method of red mud iron reduction furnace slag light foamed ceramic; Chinese invention patent " utilizing red mud and cullet to prepare the method for high-intensity foam glass " (CN102838282A) discloses a kind of method utilizing red mud and cullet to prepare high-intensity foam glass; Chinese invention patent " a kind of manufacture method of enviroment protective ceramic filter bulb " (CN200310111209.7) discloses a kind of method utilizing red mud to prepare enviroment protective ceramic filter bulb.
Yellow River mud picks up from riverbed, the Yellow River or accumulation mud by the river, is the one nature waste that quantity is large, occupation of land is many.People explore and utilize Yellow River mud to prepare vitrified brick, clear water brick and pottery etc." PreparationandmechanismofthesinteredbricksproducedfromYe llowRiversiltandredmud " literary composition describes the method (HongtaoHe utilizing Yellow River mud and red mud to prepare vitrified brick, QinyanYue, MaterialsLettersetc, 2011, (65): 13555 ~ 13558).Chinese invention patent " utilizing Yellow River mud to prepare the method for environment friendly ceramic gaged brick " (CN101386521A) discloses a kind of method utilizing Yellow River mud to prepare environment friendly ceramic gaged brick.Chinese invention patent " a kind of preparation technology of wine bottle of yellow river mud-sand quality ceramic " (CN101070239A) discloses a kind of method utilizing Yellow River mud to prepare ceramic wine bottle.
Foamed ceramic heat insulating board is a kind of new inorganic material of construction wall, has high-strength light, fire protection flame retarding, and resistance to deterioration is good, can with the feature of buildings with the life-span.Can replace the flame retardant propertiess such as polyurethane sheet, polystyrol plastic foam plate (EPS) and polystyrene heat insulating board (XPS) poor, burning time distribute mephitical conventional outer wall heat-insulating heat-preserving material.Foamed ceramic heat insulating board, generally using multiple ceramic raw material or solid waste as main raw material, is introduced inorganic or organic blowing agent in right amount, is formed through high-temperature roasting." producing testing laboratory's pre-test of foamed ceramic lagging material with red mud " literary composition describes and utilizes red mud, cement etc. to be starting material, adopts solidify in place foaming to prepare foamed ceramic (Malong etc., building block and building block building, 2013:45 ~ 47); It is main raw material with red mud that Chinese invention patent " a kind of red mud foaming lightweight heat-preserving plate " (CN102173858A) discloses a kind of, adopts solidify in place foaming to prepare the method for light thermal insulation board; Chinese invention patent " utilizing red mud and cullet to prepare the method for multicellular glass pottery " (CN102838280A) discloses a kind of red mud and cullet of utilizing and prepares the method for multicellular glass pottery for main raw material; " Characterizationofcellularceramicsmadebyporcelaintileres idues " literary composition describes and adopts polishing pitchers to be main raw material, SiC is as whipping agent, 1200 DEG C are burnt till the method (AdrianoMichaelBernardinetc preparing foamed ceramic, MaterialsScienceandEngineering, 2006:222 ~ 225); Chinese invention patent " ceramic heat insulating material and production method thereof " (CN102070330A) adopts iron ore mine, industrial slags and whipping agent etc., through mixing and ball milling, the stirring that adds water, oven dry, 1190 DEG C burn till and prepared foamed ceramic.The all not mentioned red mud of these documents and patent and Yellow River mud match and produce the method for foamed ceramic heat insulating board.
Summary of the invention
The object of this invention is to provide a kind of method utilizing Yellow River mud and red mud to prepare foamed ceramic heat insulating board.Foamed ceramic heat insulating board prepared by the method, has high-strength light, fire protection flame retarding, feature that resistance to deterioration is good.
In order to achieve the above object, the technical solution used in the present invention is: a kind of method utilizing Yellow River mud and red mud to prepare foamed ceramic heat insulating board, is characterized in that it comprises the steps:
1) raw material crushing: by red mud, Yellow River mud, clay, antiflux, whipping agent respectively broken (with oppositely rolling roller crusher and ball mill), cross 200-320 mesh sieve, for subsequent use;
The composition (shared by each composition mass percent) of red mud and Yellow River mud is as follows:
| Raw material | SiO 2 | Al 2O 3 | Fe 2O 3 | TiO 2 | CaO | MgO | K 2O | Na 2O | I.L | Add up to |
| Red mud | 16.28 | 28.66 | 24.45 | 2.12 | 0.99 | 0 | 0.21 | 13.22 | 13.75 | 99.68 |
| Yellow River mud | 71.90 | 10.13 | 2.70 | 0.50 | 4.58 | 1.20 | 1.88 | 2.58 | 4.53 | 100 |
Note: in red mud, surplus is other.
2) raw material mixing: by weight percentage shared by each raw material be: red mud 10% ~ 50%, Yellow River mud 30% ~ 70%, clay 9.95% ~ 50%, antiflux 9.95% ~ 50%, whipping agent additional 0.05% ~ 5%, weighing, with ball mill batch mixing 3 ~ 15h, obtained blank, for subsequent use;
3) compression moulding: mixed blank is packed into punching block, adopt hydraulic press Bidirectional-pressure, producing foamed biscuit of ceramics, the forming pressure of brick pressing machine is 10 ~ 30MPa, obtained foamed ceramic biscuit body;
4) cosmetic soil is executed: at the external coating of the foamed ceramic biscuit body suppressed cosmetic soil that is white or brown or blackstreak, obtain decorated biscuit;
5) biscuit burns till: lain against by decorated biscuit in the special saggar of resistant to elevated temperatures spill, put into roller kiln, through 1080 ~ 1350 DEG C, takes out after within 60 ~ 180 minutes, burning till from saggar, the obtained thick product of foamed ceramic heat insulating board;
6) thick product cutting: adopt automatic cutting machine by thick for foamed ceramic heat insulating board product surrounding and base, cuts into regular plate-like, i.e. the obtained bubble ceramic insulation warming plate with marble grain.
Described clay is a kind of in kaolin, wilkinite or both mixtures in any proportion.
Described antiflux is one or more (containing the two kinds) mixtures in any proportion in talcum, potassium felspar sand, albite.
Described whipping agent is a kind of in carbon black, silicon carbide or both mixtures in any proportion.
After tested, the volume density≤250Kg/m of bubble ceramic insulation warming plate of the present invention
3, ultimate compression strength>=1.5MPa, thermal conductivity coefficient≤0.035W/ (m ﹒ K).There is high-strength light and attractive and durable feature, meet the requirement of constructing energy saving building heat insulation wall.
Because aluminum content in red mud is more, silicon content is less, and Yellow River mud aluminum content is less, silicon content is more, and therefore both just in time arrange in pairs or groups, and are conducive to preparing high-quality foamed ceramic heat insulating board.Foamed ceramic heat insulating board prepared by the method, have high-strength light, fire protection flame retarding, resistance to deterioration is good, can with the feature of buildings with the life-span.The present invention can consume red mud and Yellow River mud two kinds of waste materials simultaneously, therefore has environment protection significance.Such as, just there are red mud and Yellow River mud two kinds of waste materials in the Accessories during Binzhou, Shandong Province on limit, the Yellow River simultaneously, and both piles high-volume huge, contaminate environment, and as adopted method of the present invention to produce product, the solid waste that significantly can reduce this city is polluted.
The invention has the beneficial effects as follows: the present invention utilizes the complementarity of red mud and Yellow River mud composition, the viscosity size of foamed ceramic high-temperature fusant can be regulated easily, thus obtain suitable pore size, form a large amount of disconnected independent small bubbles (diameter range 0.1 ~ 3mm), its volume density of remarkable reduction and thermal conductivity coefficient, realize the object of high-strength light simultaneously, the present invention have high-strength light, fire protection flame retarding, resistance to deterioration good, can with the feature of buildings with the life-span.The present invention also adds himself decoration functions by executing cosmetic soil outside product, makes it to be directly used in decoration of exterior wall, is not only incubated but also attractive in appearance.
Embodiment
Below in conjunction with embodiment, the present invention will be described further, but content of the present invention is not only confined to the following examples.
In following embodiment: the composition (shared by each composition mass percent) of red mud and Yellow River mud is as follows:
| Raw material | SiO 2 | Al 2O 3 | Fe 2O 3 | TiO 2 | CaO | MgO | K 2O | Na 2O | I.L | Add up to |
| Red mud | 16.28 | 28.66 | 24.45 | 2.12 | 0.99 | 0 | 0.21 | 13.22 | 13.75 | 99.68 |
| Yellow River mud | 71.90 | 10.13 | 2.70 | 0.50 | 4.58 | 1.20 | 1.88 | 2.58 | 4.53 | 100 |
Note: in red mud, surplus is other.
Embodiment 1
Utilize Yellow River mud and red mud to prepare a method for foamed ceramic heat insulating board, it comprises the steps:
1) raw material crushing: by red mud, Yellow River mud, clay, antiflux, whipping agent respectively broken (with oppositely rolling roller crusher and ball mill), cross 200 mesh sieves, obtain five kinds of powders, for subsequent use; Wherein, clay is kaolin; Antiflux is talcum; Whipping agent is carbon black;
2) raw material mixing: by weight percentage shared by each raw material be: red mud 10%, Yellow River mud 30%, clay 50%, antiflux 9.95%, whipping agent additional 0.05%, weighing, with ball mill batch mixing 3h, obtained blank, for subsequent use;
3) compression moulding: mixed blank is packed into punching block, adopt hydraulic press Bidirectional-pressure, producing foamed biscuit of ceramics, the forming pressure of brick pressing machine is 10MPa, obtained foamed ceramic biscuit body;
4) cosmetic soil is executed: at the external coating of the foamed ceramic biscuit body suppressed cosmetic soil that is white or brown or blackstreak, obtain decorated biscuit;
5) biscuit burns till: lain against by decorated biscuit in the special saggar of resistant to elevated temperatures spill, put into roller kiln, through 1080 DEG C, takes out after within 60 minutes, burning till from saggar, the obtained thick product of foamed ceramic heat insulating board;
6) thick product cutting: adopt automatic cutting machine by thick for foamed ceramic heat insulating board product surrounding and base, cuts into regular plate-like, i.e. the obtained bubble ceramic insulation warming plate finished product with marble grain.
After tested, the volume density≤250Kg/m of bubble ceramic insulation warming plate of the present invention
3, ultimate compression strength>=1.5MPa, thermal conductivity coefficient≤0.035W/ (m ﹒ K).There is high-strength light and attractive and durable feature, meet the requirement of constructing energy saving building heat insulation wall.
Embodiment 2
Utilize Yellow River mud and red mud to prepare a method for foamed ceramic heat insulating board, it comprises the steps:
1) raw material crushing: by red mud, Yellow River mud, clay, antiflux, whipping agent respectively broken (with oppositely rolling roller crusher and ball mill), cross 200 mesh sieves, obtain five kinds of powders, for subsequent use; Wherein, clay is wilkinite; Antiflux is potassium felspar sand; Whipping agent is silicon carbide;
2) raw material mixing: by weight percentage shared by each raw material be: red mud 50%, Yellow River mud 30%, clay 9.95%, antiflux 10%, whipping agent additional 0.05%, weighing, with ball mill batch mixing 10h, obtained blank, for subsequent use;
3) compression moulding: mixed blank is packed into punching block, adopt hydraulic press Bidirectional-pressure, producing foamed biscuit of ceramics, the forming pressure of brick pressing machine is 20MPa, obtained foamed ceramic biscuit body;
4) cosmetic soil is executed: at the external coating of the foamed ceramic biscuit body suppressed cosmetic soil that is white or brown or blackstreak, obtain decorated biscuit;
5) biscuit burns till: lain against by decorated biscuit in the special saggar of resistant to elevated temperatures spill, put into roller kiln, through 1200 DEG C, takes out after within 80 minutes, burning till from saggar, the obtained thick product of foamed ceramic heat insulating board;
6) thick product cutting: adopt automatic cutting machine by thick for foamed ceramic heat insulating board product surrounding and base, cuts into regular plate-like, i.e. the obtained bubble ceramic insulation warming plate finished product with marble grain.
After tested, the volume density≤250Kg/m of bubble ceramic insulation warming plate of the present invention
3, ultimate compression strength>=1.5MPa, thermal conductivity coefficient≤0.035W/ (m ﹒ K).There is high-strength light and attractive and durable feature, meet the requirement of constructing energy saving building heat insulation wall.
Embodiment 3
Utilize Yellow River mud and red mud to prepare a method for foamed ceramic heat insulating board, it comprises the steps:
1) raw material crushing: by red mud, Yellow River mud, clay, antiflux, whipping agent respectively broken (with oppositely rolling roller crusher and ball mill), cross 200 mesh sieves, obtain five kinds of powders, for subsequent use; Wherein, clay is kaolin; Antiflux is albite; Whipping agent is carbon black;
2) raw material mixing: by weight percentage shared by each raw material be: red mud 10%, Yellow River mud 70%, clay 9.95%, antiflux 10%, whipping agent additional 0.05%, weighing, with ball mill batch mixing 15h, obtained blank, for subsequent use;
3) compression moulding: mixed blank is packed into punching block, adopt hydraulic press Bidirectional-pressure, producing foamed biscuit of ceramics, the forming pressure of brick pressing machine is 30MPa, obtained foamed ceramic biscuit body;
4) cosmetic soil is executed: at the external coating of the foamed ceramic biscuit body suppressed cosmetic soil that is white or brown or blackstreak, obtain decorated biscuit;
5) biscuit burns till: lain against by decorated biscuit in the special saggar of resistant to elevated temperatures spill, put into roller kiln, through 1350 DEG C, takes out after within 180 minutes, burning till from saggar, the obtained thick product of foamed ceramic heat insulating board;
6) thick product cutting: adopt automatic cutting machine by thick for foamed ceramic heat insulating board product surrounding and base, cuts into regular plate-like, i.e. the obtained bubble ceramic insulation warming plate finished product with marble grain.
After tested, the volume density≤250Kg/m of bubble ceramic insulation warming plate of the present invention
3, ultimate compression strength>=1.5MPa, thermal conductivity coefficient≤0.035W/ (m ﹒ K).There is high-strength light and attractive and durable feature, meet the requirement of constructing energy saving building heat insulation wall.
Embodiment 4
Utilize Yellow River mud and red mud to prepare a method for foamed ceramic heat insulating board, it comprises the steps:
1) raw material crushing: by red mud, Yellow River mud, clay, antiflux, whipping agent respectively broken (with oppositely rolling roller crusher and ball mill), cross 200-320 mesh sieve, obtain five kinds of powders, for subsequent use; Wherein, clay is kaolin and bentonitic mixture, and kaolin, bentonitic quality respectively account for 1/2; Antiflux is the mixture in talcum, potassium felspar sand and albite, and quality respectively accounts for 1/3; Whipping agent is carbon black;
2) raw material mixing: by weight percentage shared by each raw material be: red mud 10%, Yellow River mud 30%, clay 50%, antiflux 9.95%, whipping agent additional 0.05%, weighing, with ball mill batch mixing 3h, obtained blank, for subsequent use;
3) compression moulding: mixed blank is packed into punching block, adopt hydraulic press Bidirectional-pressure, producing foamed biscuit of ceramics, the forming pressure of brick pressing machine is 10MPa, obtained foamed ceramic biscuit body;
4) cosmetic soil is executed: at the external coating of the foamed ceramic biscuit body suppressed cosmetic soil that is white or brown or blackstreak, obtain decorated biscuit;
5) biscuit burns till: lain against by decorated biscuit in the special saggar of resistant to elevated temperatures spill, put into roller kiln, through 1080 DEG C, takes out after within 180 minutes, burning till from saggar, the obtained thick product of foamed ceramic heat insulating board;
6) thick product cutting: adopt automatic cutting machine by thick for foamed ceramic heat insulating board product surrounding and base, cuts into regular plate-like, i.e. the obtained bubble ceramic insulation warming plate finished product with marble grain.
After tested, the volume density≤250Kg/m of bubble ceramic insulation warming plate of the present invention
3, ultimate compression strength>=1.5MPa, thermal conductivity coefficient≤0.035W/ (m ﹒ K).There is high-strength light and attractive and durable feature, meet the requirement of constructing energy saving building heat insulation wall.
Embodiment 5
Utilize Yellow River mud and red mud to prepare a method for foamed ceramic heat insulating board, it comprises the steps:
1) raw material crushing: by red mud, Yellow River mud, clay, antiflux, whipping agent respectively broken (with oppositely rolling roller crusher and ball mill), cross 200-320 mesh sieve, obtain five kinds of powders, for subsequent use; Wherein, clay is high wilkinite; Antiflux is albite; Infusion is silicon carbide;
2) raw material mixing: by weight percentage shared by each raw material be: red mud 10%, Yellow River mud 30%, clay 9.95%, antiflux 50%, whipping agent additional 0.05%, weighing, with ball mill batch mixing 3 ~ 15h, obtained blank, for subsequent use;
3) compression moulding: mixed blank is packed into punching block, adopt hydraulic press Bidirectional-pressure, producing foamed biscuit of ceramics, the forming pressure of brick pressing machine is 30MPa, obtained foamed ceramic biscuit body;
4) cosmetic soil is executed: at the external coating of the foamed ceramic biscuit body suppressed cosmetic soil that is white or brown or blackstreak, obtain decorated biscuit;
5) biscuit burns till: lain against by decorated biscuit in the special saggar of resistant to elevated temperatures spill, put into roller kiln, through 1350 DEG C, takes out after within 180 minutes, burning till from saggar, the obtained thick product of foamed ceramic heat insulating board;
6) thick product cutting: adopt automatic cutting machine by thick for foamed ceramic heat insulating board product surrounding and base, cuts into regular plate-like, i.e. the obtained bubble ceramic insulation warming plate finished product with marble grain.
After tested, the volume density≤250Kg/m of bubble ceramic insulation warming plate of the present invention
3, ultimate compression strength>=1.5MPa, thermal conductivity coefficient≤0.035W/ (m ﹒ K).There is high-strength light and attractive and durable feature, meet the requirement of constructing energy saving building heat insulation wall.
Embodiment 6
Utilize Yellow River mud and red mud to prepare a method for foamed ceramic heat insulating board, it comprises the steps:
1) raw material crushing: by red mud, Yellow River mud, clay, antiflux, whipping agent respectively broken (with oppositely rolling roller crusher and ball mill), cross 200-320 mesh sieve, obtain five kinds of powders, for subsequent use; Wherein, clay is kaolin; Antiflux is talcum; Infusion is the mixture of carbon black and silicon carbide, and quality respectively accounts for 1/2;
2) raw material mixing: by weight percentage shared by each raw material be: red mud 45%, Yellow River mud 30%, clay 10%, antiflux 10%, whipping agent additional 5%, weighing, with ball mill batch mixing 3 ~ 15h, obtained blank, for subsequent use;
3) compression moulding: mixed blank is packed into punching block, adopt hydraulic press Bidirectional-pressure, producing foamed biscuit of ceramics, the forming pressure of brick pressing machine is 20MPa, obtained foamed ceramic biscuit body;
4) cosmetic soil is executed: at the external coating of the foamed ceramic biscuit body suppressed cosmetic soil that is white or brown or blackstreak, obtain decorated biscuit;
5) biscuit burns till: lain against by decorated biscuit in the special saggar of resistant to elevated temperatures spill, put into roller kiln, through 1350 DEG C, takes out after within 60 minutes, burning till from saggar, the obtained thick product of foamed ceramic heat insulating board;
6) thick product cutting: adopt automatic cutting machine by thick for foamed ceramic heat insulating board product surrounding and base, cuts into regular plate-like, i.e. the obtained bubble ceramic insulation warming plate finished product with marble grain.
After tested, the volume density≤250Kg/m of bubble ceramic insulation warming plate of the present invention
3, ultimate compression strength>=1.5MPa, thermal conductivity coefficient≤0.035W/ (m ﹒ K).There is high-strength light and attractive and durable feature, meet the requirement of constructing energy saving building heat insulation wall.
Claims (6)
1. utilize Yellow River mud and red mud to prepare a method for foamed ceramic heat insulating board, it is characterized in that it comprises the steps:
1) raw material crushing: red mud, Yellow River mud, clay, antiflux, whipping agent is broken respectively, crosses 200-320 mesh sieve, for subsequent use;
2) raw material mixing: by weight percentage shared by each raw material be: red mud 10% ~ 50%, Yellow River mud 30% ~ 70%, clay 9.95% ~ 50%, antiflux 9.95% ~ 50%, whipping agent additional 0.05% ~ 5%, weighing, with ball mill batch mixing 3 ~ 15h, obtained blank, for subsequent use;
3) compression moulding: mixed blank is packed into punching block, adopt hydraulic press Bidirectional-pressure, producing foamed biscuit of ceramics, the forming pressure of brick pressing machine is 10 ~ 30MPa, obtained foamed ceramic biscuit body;
4) cosmetic soil is executed: at the external coating cosmetic soil of the foamed ceramic biscuit body suppressed, obtain decorated biscuit;
5) biscuit burns till: lain against by decorated biscuit in the special saggar of resistant to elevated temperatures spill, put into roller kiln, through 1080 ~ 1350 DEG C, takes out after within 60 ~ 180 minutes, burning till from saggar, the obtained thick product of foamed ceramic heat insulating board;
6) thick product cutting: adopt automatic cutting machine by thick for foamed ceramic heat insulating board product surrounding and base, cuts into regular plate-like, i.e. obtained bubble ceramic insulation warming plate.
2. a kind of method utilizing Yellow River mud and red mud to prepare foamed ceramic heat insulating board according to claim 1, is characterized in that: described clay is a kind of in kaolin, wilkinite or both mixtures in any proportion.
3. a kind of method utilizing Yellow River mud and red mud to prepare foamed ceramic heat insulating board according to claim 1, is characterized in that: described antiflux is one or more mixtures in any proportion in talcum, potassium felspar sand, albite.
4. a kind of method utilizing Yellow River mud and red mud to prepare foamed ceramic heat insulating board according to claim 1, is characterized in that: described whipping agent is a kind of in carbon black, silicon carbide or both mixtures in any proportion.
5. a kind of method utilizing Yellow River mud and red mud to prepare foamed ceramic heat insulating board according to claim 1, is characterized in that: described cosmetic soil is cosmetic soil that is white or brown or blackstreak.
6. a kind of method utilizing Yellow River mud and red mud to prepare foamed ceramic heat insulating board according to claim 1, is characterized in that: shared by the composition of red mud and Yellow River mud and each composition, mass percent is as follows:
Note: in red mud, surplus is other.
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| CN106747307B (en) * | 2016-12-13 | 2020-08-07 | 信阳科美新型材料有限公司 | Heat-insulating ceramic decorative composite board and preparation method thereof |
| CN106892671A (en) * | 2017-03-31 | 2017-06-27 | 美科特种材料股份有限公司 | A kind of large dosage river sand makes the production technology of hollow foam ceramics |
| CN108546086A (en) * | 2018-04-25 | 2018-09-18 | 东北大学 | A method of preparing high intensity, porous ceramic material using red mud |
| CN108892497A (en) * | 2018-07-10 | 2018-11-27 | 黄河三角洲京博化工研究院有限公司 | A kind of high-strength ceramic granule and preparation method thereof for making binder and fluxing agent using red mud |
| CN108911703A (en) * | 2018-09-03 | 2018-11-30 | 贵州欧玛陶瓷有限责任公司 | A kind of red mud using alumina producer prepares ancient architecture ceramics and preparation method thereof |
| CN112299817A (en) * | 2020-11-04 | 2021-02-02 | 武汉理工大学 | Preparation method of yellow river silt foam ceramic insulation board with glaze decoration |
| CN112358277A (en) * | 2020-11-10 | 2021-02-12 | 云南省红河哈尼族彝族自治州民族师范学校 | Earthenware clay material capable of firing foam jade-like texture and firing method of earthenware thereof |
| CN112358277B (en) * | 2020-11-10 | 2022-09-06 | 云南省红河哈尼族彝族自治州民族师范学校 | Earthenware clay material capable of firing foam jade-like texture and firing method of earthenware thereof |
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