CN113816721A - 一种高白陶瓷大板及其制备方法 - Google Patents
一种高白陶瓷大板及其制备方法 Download PDFInfo
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- CN113816721A CN113816721A CN202111172057.6A CN202111172057A CN113816721A CN 113816721 A CN113816721 A CN 113816721A CN 202111172057 A CN202111172057 A CN 202111172057A CN 113816721 A CN113816721 A CN 113816721A
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- parts
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- large plate
- ceramic
- kaolin
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- 239000000919 ceramic Substances 0.000 title claims abstract description 70
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 230000002087 whitening effect Effects 0.000 claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 9
- 239000011449 brick Substances 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 238000007873 sieving Methods 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 238000000498 ball milling Methods 0.000 claims abstract description 6
- 238000007641 inkjet printing Methods 0.000 claims abstract description 6
- 238000005498 polishing Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000007779 soft material Substances 0.000 claims abstract description 4
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 27
- 235000012211 aluminium silicate Nutrition 0.000 claims description 27
- 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 27
- 239000002002 slurry Substances 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 19
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 14
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 11
- 229910052681 coesite Inorganic materials 0.000 claims description 11
- 229910052593 corundum Inorganic materials 0.000 claims description 11
- 229910052906 cristobalite Inorganic materials 0.000 claims description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 229910052682 stishovite Inorganic materials 0.000 claims description 11
- 229910052905 tridymite Inorganic materials 0.000 claims description 11
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 11
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000004927 clay Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 8
- 239000012744 reinforcing agent Substances 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 229920005610 lignin Polymers 0.000 claims description 4
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 abstract description 29
- 238000000034 method Methods 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000004480 active ingredient Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 8
- 238000012216 screening Methods 0.000 description 4
- 239000004566 building material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 1
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000003678 scratch resistant effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- C04B33/00—Clay-wares
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Abstract
本发明公开了一种高白陶瓷大板及其制备方法，高白陶瓷大板包括按重量份计的有效组分：硬质料40‑130份；软质料24‑90份；硅酸锆0‑1.5份；坯体增白剂0.1‑1.5份；辅剂0.3‑4份；制备方法为将有效组分依序进行球磨、过筛除铁、喷粉、压砖坯、干燥、施釉、喷墨印花、烧成和抛光步骤，得到高白陶瓷大板；其组分粒度细、分散性好、遮盖力强，增白性好，颜色均匀偏差小；大大降低了硅酸锆的使用量，其制备的大板白度可以超越常规使用硅酸锆增白的大板产品；在增白的同时，降低了产品的放射性，故采用本发明制备的陶瓷坯体烧成后具有白度高无放射性的优点；本发明综合优化了陶瓷大板的产品性能、环保性能、经济效益，使高白度陶瓷大板的生产制备更合理，适合大规模推广。
Description
技术领域
本发明涉及一种高白陶瓷大板及其制备方法，属于建筑材料技术领域。
背景技术
陶瓷大板(简称陶瓷板)，是一种由陶土、矿石等多种无机非金属材料，经成型、1200℃高温煅烧等生产工艺制成的面积不小于1.62㎡的板状陶瓷制品。陶瓷大板相比其他瓷砖产品，具有规格大、硬度大、性能稳定、安全牢固、环保健康、装饰性强等特性。陶瓷大板主要用于建筑空间墙地面装饰，衣柜饰面板、橱柜面板等家具装饰以及门饰面板。
随着陶瓷大板的火热，消费者对陶瓷大板的品质也越来越关注，而由于多种无机原料具有不同的原色，粒度大小不均，分散性不好，使得经烧制后的陶瓷大板颜色有偏差，颜色不均匀、遮盖力差等问题。因此常见通过增加硅酸锆的用量来提升釉面烧后白度，加入的硅酸锆含量越多，导致陶瓷墨水发色变浅，不利于陶瓷墨水发色。同时硅酸锆本身的放射性也较高，加入大量的硅酸锆会提升产品的放射性，致使产品的发射性数据超出国家标准范围。
鉴于以上现状，本发明提供一种高白陶瓷大板及其制备方法来满足薄型陶瓷大板的工艺性能要求。
发明内容
为了克服现有技术的不足，本发明的第一个目的在于提供一种高白陶瓷大板，其组分粒度细、分散性好、遮盖力强，增白性好，放射性低、颜色均匀偏差小。
本发明的第二个目的在于提供一种上述高白陶瓷大板的制备方法。
实现本发明的第一个目的可以通过采取如下技术方案达到：一种高白陶瓷大板，包括按重量份计的以下有效组分：
坯体增白剂中二氧化锆的含量为30-40wt％。
进一步地，包括按重量份计的以下有效组分：
进一步地，硬质料包括按重量份计的：
进一步地，软质料包括按重量份计的：
高粘土 2-10份；
高岭土 20-70份；
高铝土 2-10份。
进一步地，高岭土包括第一高岭土、第二高岭土和第三高岭土，第一高岭土的组分包括SiO2 54.81wt％、Al2O3 29.98wt％、CaO 0.31wt％、MgO 0.79wt％、Fe2O3 0.88wt％、TiO2 0.1wt％、K2O 2.75wt％、Na2O 0.39wt％，烧失量9.8wt％、总量99.81wt％；第二高岭土的组分包括SiO2 48.37wt％、Al2O3 36.04wt％、CaO 0.2wt％、MgO 0.1wt％、Fe2O30.89wt％、TiO2 0.11wt％、K2O 1.52wt％、Na2O 0.26wt％，烧失量12.3wt％、总量99.79wt％；第三高岭土的组分包括SiO2 49.46wt％、Al2O3 35.62wt％、CaO 0.22wt％、MgO0.18wt％、Fe2O3 0.65wt％、TiO2 0.09wt％、K2O 1.51wt％、Na2O 0.38wt％，烧失量11.76wt％、总量99.87wt％。
进一步地，所述坯体增白剂的组分包括：ZrO2 30-40wt％、Al2O3 40-44wt％、SiO220-22wt％、Fe2O3 0.1-0.5wt％、CaO 0.1-0.3wt％、MgO 0.05-0.2wt％、K2O 0.03-0.08wt％、Na2O 1.5-2.0wt％、SrO 0.3-0.4wt％、TiO2 0.05-0.15wt％，烧失量1.34wt％。
进一步地，所述坯体增白剂的组分包括：ZrO2 32.96wt％、Al2O3 43.15wt％、SiO221.30wt％、Fe2O3 0.32wt％、CaO 0.26wt％、MgO 0.11wt％、K2O 0.07wt％、Na2O 1.73wt％、SrO 0.01wt％、TiO2 0.12wt％，烧失量1.34wt％。
进一步地，辅剂包括解胶剂、增强剂和粘合剂。
进一步地，解胶剂为三聚磷酸钠；所述粘合剂为水玻璃；所述增强剂为木质素。
进一步地，有效组分加入重量份34-36份的水，形成的浆料，其浆料的性能为流速：35-60s，细度250目；筛余：0.8-1，比重：1.66-1.72g/cm3。
实现本发明的第二个目的可以通过采取如下技术方案达到：一种高白陶瓷大板的制备方法，将按重量份计的以下有效组分：
依序进行球磨、过筛除铁、喷粉、压砖坯、干燥、施釉、喷墨印花、烧成和抛光步骤，得到高白陶瓷大板；坯体增白剂中二氧化锆含量为30-40wt％。
相比现有技术，本发明的有益效果在于：
1、本发明的高白陶瓷大板加入二氧化锆的含量为30-40wt％的坯体增白剂大大减少硅酸锆的用量，具有粒度细、分散性好、放射性低、遮盖力强的特点，有增白的效果；
2、本发明的高白陶瓷大板有效组分加水形成浆料，具有良好的流速，易于加工定型；
3、本发明采用坯体增白剂协同硅酸锆，大大降低了配方中硅酸锆的使用量，其制备的大板白度可以超越常规使用硅酸锆增白的大板产品(或与常规大板产品相当)；在增白的同时，降低了产品的放射性，故采用本发明制备的陶瓷坯体烧成后具有白度高放射性低的优点；同等条件下坯体增白剂的增白效果比硅酸锆好；
4、本发明优化整体组分配比，尤其大大减少硅酸锆的使用量，降低生产成本，综合优化了优化陶瓷大板的产品性能、环保性能、经济效益，使高白度陶瓷大板的生产制备更合理，适合大规模推广。
具体实施方式
以下以具体实施例来详细说明本发明的实施方式，借此对本发明如何应用技术手段来解决技术问题，并达成技术效果的实现过程能充分理解并据以实施。若未特别指明，实施例中所采用的技术手段为本领域技术人员所熟知的常规手段，所采用的试剂和产品也均为可商业获得的。未详细描述的各种过程和方法是本领域中公知的常规方法，所用试剂均为通过商业途径可以购买到的常用试剂。
一种高白陶瓷大板，包括按重量份计的以下有效组分：
坯体增白剂中二氧化锆的含量为30-40wt％。
作为进一步优选方案，所述高白陶瓷大板包括按重量份计的以下有效组分：
作为进一步优选方案，所述硬质料包括按重量份计的：
作为进一步优选方案，所述软质料包括按重量份计的：
高粘土 2-10份；
高岭土 20-70份；
高铝土 2-10份。
作为进一步优选方案，所述高岭土包括第一高岭土、第二高岭土和第三高岭土，第一高岭土的组分包括SiO2 54.81wt％、Al2O3 29.98wt％、CaO 0.31wt％、MgO 0.79wt％、Fe2O3 0.88wt％、TiO2 0.1wt％、K2O 2.75wt％、Na2O 0.39wt％，烧失量9.8wt％、总量99.81wt％；第二高岭土的组分包括SiO2 48.37wt％、Al2O3 36.04wt％、CaO 0.2wt％、MgO0.1wt％、Fe2O3 0.89wt％、TiO2 0.11wt％、K2O 1.52wt％、Na2O 0.26wt％，烧失量12.3wt％、总量99.79wt％；第三高岭土的组分包括SiO2 49.46wt％、Al2O3 35.62wt％、CaO0.22wt％、MgO 0.18wt％、Fe2O3 0.65wt％、TiO2 0.09wt％、K2O 1.51wt％、Na2O0.38wt％，烧失量11.76wt％、总量99.87wt％。
作为进一步优选方案，所述坯体增白剂的组分包括：ZrO2 30-40wt％、Al2O3 40-44wt％、SiO2 20-22wt％、Fe2O3 0.1-0.5wt％、CaO 0.1-0.3wt％、MgO 0.05-0.2wt％、K2O0.03-0.08wt％、Na2O 1.5-2.0wt％、SrO 0.3-0.4wt％、TiO2 0.05-0.15wt％，烧失量1.34wt％。
作为进一步优选方案，所述坯体增白剂的组分包括：ZrO2 32.96wt％、Al2O343.15wt％、SiO2 21.30wt％、Fe2O3 0.32wt％、CaO 0.26wt％、MgO 0.11wt％、K2O0.07wt％、Na2O 1.73wt％、SrO 0.01wt％、TiO2 0.12wt％，烧失量1.34wt％。
作为进一步优选方案，所述辅剂包括解胶剂、增强剂和粘合剂。
作为进一步优选方案，所述解胶剂为三聚磷酸钠；所述粘合剂为水玻璃；所述增强剂为木质素。
作为进一步优选方案，所述有效组分加入重量份34-36份的水，形成的浆料，其浆料的性能为流速：35-60s，细度250目；筛余：0.8-1，比重：1.66-1.72g/cm3。
陶瓷浆料流速过快或过慢均不利于制备，本发明相比现有技术可以有效地提高浆料的过筛效率，防止浆料的堵网现象；增加釉浆料的流动性，提高陶瓷性能。
本发明中添加所述坯体增白剂，虽然二氧化锆的含量为30-40wt％，远低于常规硅酸锆增白剂中的二氧化锆含量，但其制备的大板白度可以超越常规使用硅酸锆增白的大板产品(或与常规大板产品相当)；同时，大大减少硅酸锆的用量，使得放射性低，故采用本发明制备的陶瓷坯体烧成后具有白度高放射性低的优点。这是由于本发明的坯体增白剂的存在降低了整体配方的烧结温度，且更好地优化组分的配比，使制备的产品增白性好，颜色均匀偏差小。
此外，大大减少硅酸锆的使用量也缩减了生产成本，经济效益更优。
本发明配方中，加入如三聚磷酸钠作为解胶剂，使得粉料颗粒圆滑，堆积密度大，增加釉浆料的流动性，提高陶瓷性能。压制后坯体的干燥强度可达到2.4-2.7MPa，可以经受施釉线运行以及后工序加工而不破损开裂。
本发明配方中，加入如木质素作为增强剂，来增加生坯的强度，相应地减少粘土类原料的添加量，提高了产品的白度及透光度。
在本发明配方中，加入如钾长石等原料主要起到高温助熔作用，增加高温液相，提高釉层均化程度，使得釉面更为平整。
在本发明配方中，合理调配Al203、TiO2、CaO、ZrO2等组分的比例，经喷涂在大板面形成防护层，使得具有质地坚硬，耐刮痕，耐腐蚀且轻薄，耐火高温。
本发明还提供一种高白陶瓷大板的制备方法，将按重量份计的以下有效组分：
依序进行球磨、过筛除铁、喷粉、压砖坯、干燥、施釉、喷墨印花、烧成和抛光步骤，得到高白陶瓷大板；坯体增白剂中二氧化锆含量为30-40wt％。
需要说明的是，在本发明的制备过程中，所述球磨的转速为20-25r/min；所述过筛的过程中筛网使用的目数为220-300；所述筛网中加有除铁棒；所述干燥是将砖坯干燥至含水率<1％；所述底釉的施釉量为450-550g/m2；所述烧成温度为1100-1160℃。
下面，结合具体实施方式，对本发明做进一步描述：
一种高白陶瓷大板，包括如表格1所示按重量份计的有效组分：
表1高白陶瓷大板的有效组分
其中，坯体增白剂中二氧化锆的含量为30-40wt％；
其中，高岭土包括第一高岭土、第二高岭土和第三高岭土，有效组分中的成分参数如表2所示：
表2成分参数(wt％)
其中，上述有效组分加入重量份34-36份的水，形成的浆料，其浆料的性能为流速：35-60s，细度250目筛余：0.8-1，比重：1.66-1.72g/cm3。
高白陶瓷大板的制备方法：将按重量份计的有效组分：
依序进行球磨、过筛除铁、喷粉、压砖坯、干燥、施釉、喷墨印花、烧成和抛光步骤，得到高白陶瓷大板。
实施例1-3及对比例：
表3实施例1-3和对比例高白陶瓷大板的有效组分(重量份)
上述实施例的制备过程均采用以下步骤：将各组分混料后依序进行球磨、过筛除铁、喷粉、压砖坯、干燥、施釉、喷墨印花、烧成和抛光步骤，得到高白陶瓷大板。
在上述实施例制备过程中，所述球磨的转速为20-25r/min；所述过筛的过程中筛网使用的目数为220-300；所述筛网中加有除铁棒；所述干燥是将砖坯干燥至含水率<1％；所述底釉的施釉量为450-550g/m2；所述烧成温度为1100-1160℃。
其余参数与具体实施方式相同，以具体实施方式的制备方法制备高白陶瓷大板，根据《GBT 5950-1996建筑材料与非金属矿产品白度测量方法》检测陶瓷大板的白度，放射性依据GB6566-2010《建筑材料放射性核素限量》A类装修材料标准内照射指数和外照射指数标准检测。
结果如表4所示：
表4实施例1-3和对比例的白度及放射性
根据上表数据所示，本发明的实施例1-3中由于添加所述坯体增白剂，二氧化锆的含量为30-40wt％，远低于常规硅酸锆增白剂中的二氧化锆含量，但其制备的大板白度可以超越常规使用硅酸锆增白的大板产品；同时，硅酸锆本身的放射性也较高，加入大量的硅酸锆会提升产品的放射性，减少硅酸锆的用量，使得产品放射性低，在增白的同时，降低了生产成本及产品的放射性，故采用本发明制备的陶瓷坯体烧成后具有白度高放射性低的优点；以实施例1为例，与对比例相比，坯体配方成本降低了10％以上，放射性降低了25％以上。
参考实施例2和实施例3的测试数据，在其他组分配比几乎相同的条件下，本发明的坯体增白剂加入量直接影响了制备的大板的白度，实施例2中，坯体增白剂添加量比实施例3多，因此即使实施例2中常用的作为增白剂的硅酸锆添加量比实施例3中少，制备的陶瓷大板的性能指标中，实施例2的陶瓷大板的白度高于实施例3，也就是说，通过优化本发明的所述坯体增白剂的使用量，可以尽可能减少硅酸锆的添加，而制备的陶瓷大板具有白度高、放射性低的优点；此外，经实验发现，当所述坯体增白剂使用量为0.9时其制备的陶瓷大板白度最优；
所述对比例中的硅酸锆添加量均比本发明的实施例1-3多，是实施例2的4.5倍添加量，但取消本发明的坯体增白剂的添加后，其制备的陶瓷大板的白度均比本发明的实施例1-3制备的陶瓷大板低。
由此也可以证明，本发明通过采用坯体增白剂可直接取代现有技术中的硅酸锆，大大降低了配方中硅酸锆的使用量，同等条件下坯体增白剂的增白效果比硅酸锆好，其制备的大板白度可以超越常规使用硅酸锆增白的大板产品，且放射性低，综合优化了陶瓷大板的产品性能、环保性能、经济效益，使高白度陶瓷大板的生产制备更合理，适合大规模推广。
有效组分加入水，形成的浆料，对浆料进行水分含量和流速检测，结果如表5所示：
表5实施例和对比例形成浆料的水分和流速
| 指标 | 实施例1 | 实施例2 | 实施例3 | 对比例 |
| 水分(重量份) | 35.1 | 34.8 | 35.5 | 34.5 |
| 流速 | 51"36 | 53"27 | 48"55 | 55"18 |
从上表显示的浆料流速来看，本发明优化浆料的性能，以有效地提高浆料的过筛效率，防止浆料的堵网现象。
对于本领域的技术人员来说，可根据以上描述的技术方案以及构思，做出其它各种相应的改变以及变形，而所有的这些改变以及变形都应该属于本发明权利要求的保护范围之内。
Claims (10)
1.一种高白陶瓷大板，其特征在于包括按重量份计的以下有效组分：
所述坯体增白剂中二氧化锆的含量为30-40wt％。
2.如权利要求1所述的高白陶瓷大板，其特征在于包括按重量份计的以下有效组分：
3.如权利要求1所述的高白陶瓷大板，其特征在于，所述硬质料包括按重量份计的：
4.如权利要求1所述的高白陶瓷大板，其特征在于，所述软质料包括按重量份计的：
高粘土 2-10份；
高岭土 20-70份；
高铝土 2-10份。
5.如权利要求4所述的高白陶瓷大板，其特征在于，所述高岭土包括第一高岭土、第二高岭土和第三高岭土，第一高岭土的组分包括SiO2 54.81wt％、Al2O3 29.98wt％、CaO0.31wt％、MgO 0.79wt％、Fe2O3 0.88wt％、TiO2 0.1wt％、K2O 2.75wt％、Na2O 0.39wt％，烧失量9.8wt％、总量99.81wt％；第二高岭土的组分包括SiO2 48.37wt％、Al2O3 36.04wt％、CaO 0.2wt％、MgO 0.1wt％、Fe2O3 0.89wt％、TiO2 0.11wt％、K2O 1.52wt％、Na2O0.26wt％，烧失量12.3wt％、总量99.79wt％；第三高岭土的组分包括SiO2 49.46wt％、Al2O335.62wt％、CaO 0.22wt％、MgO 0.18wt％、Fe2O3 0.65wt％、TiO2 0.09wt％、K2O 1.51wt％、Na2O 0.38wt％，烧失量11.76wt％、总量99.87wt％。
6.如权利要求1所述的高白陶瓷大板，其特征在于，所述坯体增白剂的组分包括：ZrO230-40wt％、Al2O3 40-44wt％、SiO2 20-22wt％、Fe2O3 0.1-0.5wt％、CaO 0.1-0.3wt％、MgO0.05-0.2wt％、K2O 0.03-0.08wt％、Na2O 1.5-2.0wt％、SrO 0.3-0.4wt％、TiO2 0.05-0.15wt％，烧失量1.34wt％。
7.如权利要求6所述的高白陶瓷大板，其特征在于，所述辅剂包括解胶剂、增强剂和粘合剂。
8.如权利要求6所述的高白陶瓷大板，其特征在于，所述解胶剂为三聚磷酸钠；所述粘合剂为水玻璃；所述增强剂为木质素。
9.如权利要求1所述的高白陶瓷大板，其特征在于，所述有效组分加入重量份34-36份的水，形成的浆料，其浆料的性能为流速：35-60s，细度250目筛余：0.8-1，比重：1.66-1.72g/cm3。
10.一种高白陶瓷大板的制备方法，其特征在于，将按重量份计的以下有效组分：
依序进行球磨、过筛除铁、喷粉、压砖坯、干燥、施釉、喷墨印花、烧成和抛光步骤，得到高白陶瓷大板；所述坯体增白剂中二氧化锆含量为30-40wt％。
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