CN113024274A - 一种废弃陶瓷基隔热保温砖及其制备方法 - Google Patents
一种废弃陶瓷基隔热保温砖及其制备方法 Download PDFInfo
- Publication number
- CN113024274A CN113024274A CN202110330727.6A CN202110330727A CN113024274A CN 113024274 A CN113024274 A CN 113024274A CN 202110330727 A CN202110330727 A CN 202110330727A CN 113024274 A CN113024274 A CN 113024274A
- Authority
- CN
- China
- Prior art keywords
- waste ceramic
- raw materials
- polyvinyl alcohol
- insulating brick
- alcohol solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 56
- 239000000919 ceramic Substances 0.000 title claims abstract description 54
- 239000011449 brick Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 41
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 35
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 35
- 239000004088 foaming agent Substances 0.000 claims abstract description 32
- 239000002002 slurry Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000002270 dispersing agent Substances 0.000 claims abstract description 21
- 239000000701 coagulant Substances 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000004927 clay Substances 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 12
- 239000011398 Portland cement Substances 0.000 claims abstract description 11
- 230000000996 additive effect Effects 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 235000011837 pasties Nutrition 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 238000005187 foaming Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 229910052681 coesite Inorganic materials 0.000 claims description 5
- 229910052593 corundum Inorganic materials 0.000 claims description 5
- 229910052906 cristobalite Inorganic materials 0.000 claims description 5
- 238000001723 curing Methods 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000004537 pulping Methods 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 229910052682 stishovite Inorganic materials 0.000 claims description 5
- 229910052905 tridymite Inorganic materials 0.000 claims description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 5
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 4
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 4
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 4
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract description 20
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000009775 high-speed stirring Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000004604 Blowing Agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/1305—Organic additives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
- C04B2235/9615—Linear firing shrinkage
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
- C04B2235/9623—Ceramic setters properties
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
本发明公开了一种废弃陶瓷基隔热保温砖,包括原料和添加剂;所述原料包括废弃陶瓷粉、硅酸盐水泥和粘土,所述添加剂包括分散剂、促凝剂、发泡剂、聚乙烯醇溶液,本发明还公开了一种废弃陶瓷基隔热保温砖的制备方法。本发明中的废弃陶瓷基隔热保温砖采用常温发泡,孔径可控;且粘土可以改善浆料中气泡的表面能,提高其稳定性,使其呈现规则球形结构;聚乙烯醇的加入提高了浆料的粘度,高速搅拌时减少了空气的进入,气泡孔径不易变大,最终制得了规则的、孔径较小的废弃陶瓷基隔热保温砖,提高废弃物利用率的同时制备出了具有更低导热系数的材料,解决了材料内部气孔分布不均、孔径范围广等问题,最终材料具有质轻、高强、低导热的良好性能。
Description
技术领域
本发明涉及保温砖领域,尤其涉及一种废弃陶瓷基隔热保温砖及其制备方法。
背景技术
目前在中低温(1000℃以下)隔热保温领域,比如工业窑炉和其他热工设备、热力管道等场所主要采用硅藻土砖进行隔热保温,一般承受热面温度不超过1000℃。硅藻土隔热砖以天然多孔硅藻土,木屑和高温粘结剂为主要原料,经混合、成型,干燥后烧结而成。硅藻土砖一般采用挤坯成型、机压成型和手工成型,成型手段低级,材料制备受限。硅藻土砖通过烧失坯体内部的有机物产生气孔,然而烧失法造孔材料的体积密度下降有限,且容易导致材料孔结构形态与分布不均,材料强度差等问题。硅藻土的使用也受到产地限制,原料运输成本高,目前环保压力也逐渐增大,不利于可持续发展。
由于陶瓷产业发展迅速,各种工业废弃陶瓷也日渐增多。目前,废弃陶瓷的处理方式仍以堆积填埋为主,不仅对土地资源造成浪费,还破坏周边环境,严重影响陶瓷工业的可持续发展。陶瓷废料之所以受到青睐主要是其成本优势,处理废弃物同时能得到国家补贴。目前,陶瓷废渣的收购、加工为生产原料,成本不过百元每吨,相比原矿有巨大的成本优势。
发明内容
本发明的目的是提供一种废弃陶瓷基隔热保温砖。
本发明还提供了一种废弃陶瓷基隔热保温砖的制备方法。
本发明的创新点在于本发明中的废弃陶瓷基隔热保温砖采用常温发泡,孔径可控;且粘土可以改善浆料中气泡的表面能,提高其稳定性,使其呈现规则球形结构;聚乙烯醇的加入提高了浆料的粘度,高速搅拌时减少了空气的进入,气泡孔径不易变大,最终制得了规则的、孔径较小的废弃陶瓷基隔热保温砖,提高废弃物利用率的同时制备出了具有更低导热系数的材料,解决了材料内部气孔分布不均、孔径范围广等问题,最终材料具有质轻、高强、低导热的良好性能。
为实现上述发明目的,本发明的技术方案是:
一种废弃陶瓷基隔热保温砖,包括原料和添加剂;所述原料包括废弃陶瓷粉、硅酸盐水泥和粘土,所述废弃陶瓷粉、硅酸盐水泥、粘土的质量组份比为75~90:3~10:6~18;所述添加剂包括分散剂、促凝剂、发泡剂、聚乙烯醇溶液,所述分散剂为原料质量的0.3~0.5%,所述促凝剂为原料质量的0.5~1.5%,所述发泡剂加聚乙烯醇溶液为原料质量的4~11%,聚乙烯醇溶液的溶度为2~5%,发泡剂和聚乙烯醇溶液的质量比为 1:2~1:30。
进一步地,所述分散剂为三聚磷酸钠、六偏磷酸钠中的一种或两种。
进一步地,所述促凝剂为铝酸钙、偏铝酸钠、碳酸钠的混合物。
进一步地,所述发泡剂为液体发泡剂。
进一步地,所述废弃陶瓷粉包括65~75wt%的SiO2,10~16wt%的Al2O3,1~4wt%的Fe2O3,2~3wt%的CaO,0.2~1wt%的MgO,3~5wt%的K2O,2~4wt%的Na2O,1~5wt%的烧失。
一种废弃陶瓷基隔热保温砖,包括以下步骤:
(1)制浆:按配方取料,将原料混合后在原料内加入分散剂和促凝剂,混合均匀后加入25~45℃的水,搅拌2~4min得到含水率为20~22%的糊状浆体;
(2)发泡:将发泡剂、聚乙烯醇溶液混合搅拌均匀后,高速搅拌2~4min、常温制成泡沫;
(3)混合固化烧结:将步骤(1)中制得的糊状浆体与步骤(2)制得的泡沫混合搅拌2~4min后浇注成型,窑内余热干燥2~6h,脱模后再于60~80℃干燥4~6h;最后在1000~1050℃的条件下保温0.5~1.5h,即得成品。
进一步地,所述步骤(2)中聚乙烯醇溶液浓度为2%,发泡剂、聚乙烯醇溶液的质量比为1:29。
先发泡可以使制得的泡沫更细腻,与浆料混合后不易消泡,在浆料中可快速分散均匀,形成的气孔孔径大小和形状更规则,对于材料导热系数的降低更有益处。通常,多孔保温材料内部的传热有三种模式:热传导、对流和热辐射。由于多孔保温材料内部的孔的平均孔径小,因此可以忽略孔中空气的自然对流;从热传导的观点来看,多孔保温材料可以被认为是包括固体骨架和空气的两相系统(或双组分系统)。多孔材料的导热系数不仅与孔隙率相关,而且与材料内部的孔隙结构密切相关。规则的孔结构可以在相同的孔隙率下进一步降低保温材料的导热性。
本发明的有益效果是 :
1、本发明中的废弃陶瓷基隔热保温砖采用常温发泡,孔径可控;且粘土可以改善浆料中气泡的表面能,提高其稳定性,使其呈现规则球形结构;聚乙烯醇的加入提高了浆料的粘度,高速搅拌时减少了空气的进入,气泡孔径不易变大,最终制得了规则的、孔径较小的废弃陶瓷基隔热保温砖,提高废弃物利用率的同时制备出了具有更低导热系数的材料,解决了材料内部气孔分布不均、孔径范围广等问题,最终材料具有质轻、高强、低导热的良好性能。
2、本发明中将废料用于生产附加值较高的泡沫陶瓷保温材料,可以减少优质矿物资源的使用,对实现资源综合利用、保护生态环境具有十分重要的意义。
3、本发明中采用废弃陶瓷粉作为原料,废弃陶瓷粉中的低熔点组分能在高温下形成液相,提高材料致密性,有效地提高了材料的强度。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述。
实施例1:一种废弃陶瓷基隔热保温砖,包括原料和添加剂;原料包括废弃陶瓷粉、硅酸盐水泥和粘土,废弃陶瓷粉、硅酸盐水泥、粘土的质量组份比为75:3:6;废弃陶瓷粉包括65wt%的SiO2,16wt%的Al2O3, 4wt%的Fe2O3, 3wt%的CaO, 1wt%的MgO,3wt%的K2O,3wt%的Na2O, 5wt%的烧失。添加剂包括分散剂、促凝剂、发泡剂、聚乙烯醇溶液,分散剂为原料质量的0.3%,促凝剂为原料质量的0.5%,发泡剂加聚乙烯醇溶液为原料质量的4%,聚乙烯醇溶液的溶度为2%,发泡剂和聚乙烯醇溶液的质量比为 1:2。分散剂为三聚磷酸钠。促凝剂为铝酸钙、偏铝酸钠、碳酸钠的混合物。发泡剂为液体发泡剂。
实施例2:一种废弃陶瓷基隔热保温砖,包括原料和添加剂;原料包括废弃陶瓷粉、硅酸盐水泥和粘土,废弃陶瓷粉、硅酸盐水泥、粘土的质量组份比为83:5:12;废弃陶瓷粉包括75wt%的SiO2,10wt%的Al2O3,3wt%的Fe2O3,2.5wt%的CaO,0.5wt%的MgO,5wt%的K2O,2wt%的Na2O,2wt%的烧失。添加剂包括分散剂、促凝剂、发泡剂、聚乙烯醇溶液,分散剂为原料质量的0.4%,促凝剂为原料质量的1%,发泡剂加聚乙烯醇溶液为原料质量的8%,聚乙烯醇溶液的溶度为3.5%,发泡剂和聚乙烯醇溶液的质量比为 1:15。分散剂为六偏磷酸钠。促凝剂为铝酸钙、偏铝酸钠、碳酸钠的混合物。发泡剂为液体发泡剂。
实施例3:一种废弃陶瓷基隔热保温砖,包括原料和添加剂;原料包括废弃陶瓷粉、硅酸盐水泥和粘土,废弃陶瓷粉、硅酸盐水泥、粘土的质量组份比为90:10:18;废弃陶瓷粉包括73.5wt%的SiO2,14.3wt%的Al2O3,1wt%的Fe2O3,2wt%的CaO,0.2wt%的MgO,4wt%的K2O,4wt%的Na2O,1wt%的烧失。添加剂包括分散剂、促凝剂、发泡剂、聚乙烯醇溶液,分散剂为原料质量的0.5%,促凝剂为原料质量的1.5%,发泡剂加聚乙烯醇溶液为原料质量的11%,聚乙烯醇溶液的溶度为5%,发泡剂和聚乙烯醇溶液的质量比为1:30。分散剂为三聚磷酸钠、六偏磷酸钠两种混合。促凝剂为铝酸钙、偏铝酸钠、碳酸钠的混合物。发泡剂为液体发泡剂。
实施例4:一种废弃陶瓷基隔热保温砖,包括以下步骤:
(1)制浆:按实施例1的配方取料,将原料混合后在原料内加入分散剂和促凝剂,混合均匀后加入25℃的水,搅拌2min得到含水率为20%的糊状浆体;
(2)发泡:将发泡剂、聚乙烯醇溶液混合搅拌均匀后,高速搅拌2min、常温制成泡沫;(3)混合固化烧结:将步骤(1)中制得的糊状浆体与步骤(2)制得的泡沫混合搅拌2min后浇注成型,窑内余热干燥2h,脱模后再于60℃干燥4h;最后在1000℃的条件下保温0.5h,即得成品。
实施例5:一种废弃陶瓷基隔热保温砖,包括以下步骤:
(1)制浆:按实施例2的配方取料,将原料混合后在原料内加入分散剂和促凝剂,混合均匀后加入35℃的水,搅拌3min得到含水率为21%的糊状浆体;
(2)发泡:将发泡剂、聚乙烯醇溶液混合搅拌均匀后,高速搅拌3min、常温制成泡沫;
(3)混合固化烧结:将步骤(1)中制得的糊状浆体与步骤(2)制得的泡沫混合搅拌3min后浇注成型,窑内余热干燥4h,脱模后再于70℃干燥5h;最后在1020℃的条件下保温1h,即得成品。
实施例6:一种废弃陶瓷基隔热保温砖,包括以下步骤:
(1)制浆:按实施例3的配方取料,将原料混合后在原料内加入分散剂和促凝剂,混合均匀后加入45℃的水,搅拌4min得到含水率为22%的糊状浆体;
(2)发泡:将发泡剂、聚乙烯醇溶液混合搅拌均匀后,高速搅拌4min、常温制成泡沫;聚乙烯醇溶液浓度为2%,发泡剂、聚乙烯醇溶液的质量比为1:29。
(3)混合固化烧结:将步骤(1)中制得的糊状浆体与步骤(2)制得的泡沫混合搅拌4min后浇注成型,窑内余热干燥6h,脱模后再于80℃干燥6h;最后在1050℃的条件下保温1.5h,即得成品。
实施例4制得的产品的检测指标为:体积密度为0.5~1.0g/cm3;200℃导热系数为0.070~0.148W/(m·K);400℃导热系数为0.081~0.177W/(m·K);600℃导热系数为0.111~0.224W/(m·K);烧后线收缩率为0.6~2.6%;900℃保温8h重烧线收缩小于0.3%;常温耐压强度为1.2~15MPa。
实施例5制得的产品的检测指标为:体积密度为0.5~1.0g/cm3;200℃导热系数为0.068~0.144W/(m·K);400℃导热系数为0.080~0.174W/(m·K);600℃导热系数为0.109~0.224W/(m·K);烧后线收缩率为0.5~2.4%;900℃保温8h重烧线收缩小于0.3%;常温耐压强度为1~13MPa。
实施例6制得的产品的检测指标为:体积密度为0.5~1.0g/cm3;200℃导热系数为0.068~0.140W/(m·K);400℃导热系数为0.079~0.172W/(m·K);600℃导热系数为0.108~0.220W/(m·K);烧后线收缩率为0.5~2.4%;900℃保温8h重烧线收缩小于0.3%;常温耐压强度为1~15MPa。
所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
Claims (7)
1.一种废弃陶瓷基隔热保温砖,其特征在于,包括原料和添加剂;所述原料包括废弃陶瓷粉、硅酸盐水泥和粘土,所述废弃陶瓷粉、硅酸盐水泥、粘土的质量组份比为75~90:3~10:6~18;所述添加剂包括分散剂、促凝剂、发泡剂、聚乙烯醇溶液,所述分散剂为原料质量的0.3~0.5%,所述促凝剂为原料质量的0.5~1.5%,所述发泡剂加聚乙烯醇溶液为原料质量的4~11%,聚乙烯醇溶液的溶度为2~5%,发泡剂和聚乙烯醇溶液的质量比为 1:2~1:30。
2.根据权利要求1所述的废弃陶瓷基隔热保温砖,其特征在于,所述分散剂为三聚磷酸钠、六偏磷酸钠中的一种或两种。
3.根据权利要求1所述的废弃陶瓷基隔热保温砖,其特征在于,所述促凝剂为铝酸钙、偏铝酸钠、碳酸钠的混合物。
4.根据权利要求1所述的废弃陶瓷基隔热保温砖,其特征在于,所述发泡剂为液体发泡剂。
5.根据权利要求1所述的废弃陶瓷基隔热保温砖,其特征在于,所述废弃陶瓷粉包括65~75wt%的SiO2,10~16wt%的Al2O3,1~4wt%的Fe2O3,2~3wt%的CaO,0.2~1wt%的MgO,3~5wt%的K2O,2~4wt%的Na2O,1~5wt%的烧失。
6.一种如权利要求1所述的废弃陶瓷基隔热保温砖,其特征在于,包括以下步骤:
(1)制浆:按配方取料,将原料混合后在原料内加入分散剂和促凝剂,混合均匀后加入25~45℃的水,搅拌2~4min得到含水率为20~22%的糊状浆体;
(2)发泡:将发泡剂、聚乙烯醇溶液混合搅拌均匀后,高速搅拌2~4min、常温制成泡沫;
(3)混合固化烧结:将步骤(1)中制得的糊状浆体与步骤(2)制得的泡沫混合搅拌2~4min后浇注成型,窑内余热干燥2~6h,脱模后再于60~80℃干燥4~6h;最后在1000~1050℃的条件下保温0.5~1.5h,即得成品。
7.根据权利要求6所述的废弃陶瓷基隔热保温砖的制备方法,其特征在于,所述步骤(2)中聚乙烯醇溶液浓度为2%,发泡剂、聚乙烯醇溶液的质量比为1:29。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110330727.6A CN113024274A (zh) | 2021-03-29 | 2021-03-29 | 一种废弃陶瓷基隔热保温砖及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110330727.6A CN113024274A (zh) | 2021-03-29 | 2021-03-29 | 一种废弃陶瓷基隔热保温砖及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113024274A true CN113024274A (zh) | 2021-06-25 |
Family
ID=76473319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110330727.6A Pending CN113024274A (zh) | 2021-03-29 | 2021-03-29 | 一种废弃陶瓷基隔热保温砖及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113024274A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115710138A (zh) * | 2022-11-24 | 2023-02-24 | 中国地质大学(北京) | 一种用废电瓷制备耐高温轻质隔热保温材料的方法 |
CN116199499A (zh) * | 2023-03-24 | 2023-06-02 | 江西理工大学 | 一种轻质高效保温隔热发泡陶瓷材料及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012058922A1 (zh) * | 2010-11-07 | 2012-05-10 | 佛山欧神诺陶瓷股份有限公司 | 吸声陶瓷及其生产方法 |
CN102464497A (zh) * | 2010-11-05 | 2012-05-23 | 盐城工学院 | 一种废砖瓦/秸秆泡沫混凝土及其制备方法 |
CN104529511A (zh) * | 2014-12-17 | 2015-04-22 | 南京理工大学常熟研究院有限公司 | 一种泡沫陶瓷材料的制备方法 |
CN107459338A (zh) * | 2017-09-18 | 2017-12-12 | 武汉科技大学 | 废弃陶瓷基建筑外墙用保温发泡材料及其制备方法 |
CN111004051A (zh) * | 2019-12-31 | 2020-04-14 | 欧亚华都(宜兴)环保有限公司 | 一种废弃陶瓷掺杂垃圾焚烧飞灰烧结多孔陶瓷的方法 |
-
2021
- 2021-03-29 CN CN202110330727.6A patent/CN113024274A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102464497A (zh) * | 2010-11-05 | 2012-05-23 | 盐城工学院 | 一种废砖瓦/秸秆泡沫混凝土及其制备方法 |
WO2012058922A1 (zh) * | 2010-11-07 | 2012-05-10 | 佛山欧神诺陶瓷股份有限公司 | 吸声陶瓷及其生产方法 |
CN104529511A (zh) * | 2014-12-17 | 2015-04-22 | 南京理工大学常熟研究院有限公司 | 一种泡沫陶瓷材料的制备方法 |
CN107459338A (zh) * | 2017-09-18 | 2017-12-12 | 武汉科技大学 | 废弃陶瓷基建筑外墙用保温发泡材料及其制备方法 |
CN111004051A (zh) * | 2019-12-31 | 2020-04-14 | 欧亚华都(宜兴)环保有限公司 | 一种废弃陶瓷掺杂垃圾焚烧飞灰烧结多孔陶瓷的方法 |
Non-Patent Citations (2)
Title |
---|
张巨松, 哈尔滨工业大学出版社 * |
郑建平等: "浆体发泡法制备再生泡沫陶瓷", 《住宅与房地产》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115710138A (zh) * | 2022-11-24 | 2023-02-24 | 中国地质大学(北京) | 一种用废电瓷制备耐高温轻质隔热保温材料的方法 |
CN116199499A (zh) * | 2023-03-24 | 2023-06-02 | 江西理工大学 | 一种轻质高效保温隔热发泡陶瓷材料及其制备方法 |
CN116199499B (zh) * | 2023-03-24 | 2024-05-28 | 江西理工大学 | 一种轻质保温隔热发泡陶瓷材料及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103951452B (zh) | 一种微孔蓝晶石基轻质隔热耐火材料的制备方法 | |
CN113372134A (zh) | 一种微孔轻质硅砖及其制备方法 | |
CN104193263B (zh) | 利用建筑废料制备环保保温砌块的方法 | |
CN101708997B (zh) | 一种氧化铝轻质砖及其制备方法 | |
CN113024274A (zh) | 一种废弃陶瓷基隔热保温砖及其制备方法 | |
CN103145444A (zh) | 一种低成本保温隔热轻质多孔莫来石陶瓷的制备方法 | |
CN101698614B (zh) | 超微孔高强隔热保温耐火砖及其制造方法 | |
CN104829188A (zh) | 一种自保温砌块芯材或夹层专用泡沫混凝土材料及其制备方法 | |
CN105272137A (zh) | 一种碱激发磷渣微粉轻质泡沫混凝土保温板及其制备方法 | |
CN103833399A (zh) | 钙长石轻质耐火砖及其制备方法 | |
CN108503338B (zh) | 一种利用粉煤灰制备高强度发泡陶瓷材料的方法 | |
CN106478077A (zh) | 一种建筑用多孔保温陶瓷材料及其制备方法 | |
KR101892391B1 (ko) | 바텀애시 발포성형체의 제조방법 | |
CN112551979A (zh) | 一种蒸压加气混凝土及其制备方法 | |
CN102344298A (zh) | 一种泡沫混凝土保温承重砖及其生产方法 | |
CN106747620A (zh) | 一种低能耗烧结渗水砖及其制造方法 | |
CN111470879B (zh) | 一种常温发泡高温烧制的发泡陶瓷的制备方法 | |
CN108424168B (zh) | 一种水泥基复合保温板的制备方法 | |
CN114605134A (zh) | 一种高强低密度蒸压加气混凝土及其制备方法 | |
CN112250467A (zh) | 一种海泡石加气混凝土砌块及其制备工艺 | |
CN103936387A (zh) | 一种轻质粉煤灰基绝热材料的制备方法 | |
CN100494106C (zh) | 超轻低导保温材料及其生产方法 | |
CN113816718A (zh) | 一种建筑轻质墙板及其制备方法 | |
CN114368974A (zh) | 一种氧化铝空心球砖及其制备方法 | |
CN113200742A (zh) | 一种隔热复合耐磨砖 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |
|
RJ01 | Rejection of invention patent application after publication |