CN112645689A - 利用废弃原料制得的陶瓷花盆及其制备工艺 - Google Patents
利用废弃原料制得的陶瓷花盆及其制备工艺 Download PDFInfo
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- 239000002994 raw material Substances 0.000 title claims abstract description 68
- 239000000919 ceramic Substances 0.000 title claims abstract description 43
- 239000002699 waste material Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000005245 sintering Methods 0.000 claims abstract description 38
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 230000004907 flux Effects 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 14
- 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 abstract description 13
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 13
- 239000011734 sodium Substances 0.000 claims abstract description 13
- 239000011775 sodium fluoride Substances 0.000 claims abstract description 13
- 235000013024 sodium fluoride Nutrition 0.000 claims abstract description 13
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000010436 fluorite Substances 0.000 claims abstract description 12
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 9
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 9
- 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 claims abstract description 9
- 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 abstract description 9
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 8
- 238000010791 quenching Methods 0.000 claims abstract description 8
- 230000000171 quenching effect Effects 0.000 claims abstract description 8
- 229910052903 pyrophyllite Inorganic materials 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- 239000010453 quartz Substances 0.000 claims description 26
- 229910021538 borax Inorganic materials 0.000 claims description 25
- 239000004328 sodium tetraborate Substances 0.000 claims description 25
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 25
- 229910052656 albite Inorganic materials 0.000 claims description 24
- 238000000498 ball milling Methods 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000002002 slurry Substances 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 12
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 12
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000007873 sieving Methods 0.000 claims description 12
- 239000010802 sludge Substances 0.000 claims description 12
- 239000010456 wollastonite Substances 0.000 claims description 12
- 229910052882 wollastonite Inorganic materials 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- -1 phyllite Inorganic materials 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 8
- 230000032683 aging Effects 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
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- 238000003892 spreading Methods 0.000 claims description 6
- 230000007480 spreading Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000010433 feldspar Substances 0.000 abstract description 7
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 6
- 238000010304 firing Methods 0.000 abstract description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 5
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 5
- 229910052796 boron Inorganic materials 0.000 abstract description 5
- 230000004927 fusion Effects 0.000 abstract description 5
- 229940072033 potash Drugs 0.000 abstract description 5
- 235000015320 potassium carbonate Nutrition 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 12
- 239000012634 fragment Substances 0.000 description 5
- 238000007605 air drying Methods 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HEHRHMRHPUNLIR-UHFFFAOYSA-N aluminum;hydroxy-[hydroxy(oxo)silyl]oxy-oxosilane;lithium Chemical compound [Li].[Al].O[Si](=O)O[Si](O)=O.O[Si](=O)O[Si](O)=O HEHRHMRHPUNLIR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052670 petalite Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
本发明涉及陶瓷制品技术领域,具体公开一种利用废弃原料制得的陶瓷花盆,由坯体及釉层烧结而成,其中:所述坯体由如下原料组成:德化高岭土、钾长石、纳米废瓷粉、叶蜡石、坯用助熔剂及坯用低温熔块;所述釉层由如下原料组成:白泥、钾长石、萤石尾矿、釉用助熔剂及釉用低温熔块。坯用助熔剂和釉用助熔剂由氟化钠和硅氟酸钠按质量比为3︰1配制而成。本发明使得纳米废瓷粉、硼泥和萤石尾矿能够与其他原料混合烧制,且可大大降低了坯体的烧成温度,制得的陶瓷花盆坯釉结合良好,吸水率小于2%,抗弯强度为55MPa以上,180℃~20℃二次急冷不裂,釉面平滑光润,耐磨性好。
Description
技术领域
本发明属于陶瓷制品技术领域,具体涉及一种利用废弃原料制得的陶瓷花盆及其制备工艺。
背景技术
花盆,种花用的一种器皿,为口大底端小的倒圆台或倒棱台形状,种植花卉的花盆形式多样,大小不一,花卉生产者或养花人士可以根据花卉的特性和需要以及花盆的特点选用花盆,根据制作材料不同,可以分为很多种,其中陶瓷花盆较为常见。
陶瓷花盆一般构造为坯体和釉层,坯体原料一般包括高岭土、长石和石英等,釉层原料也一般包括高岭土、石英、长石、滑石等。而在工业生产或生活使用中难免会产生一些陶瓷废弃料,为降低生产成本和资源回收利用,有些企业会选择加入适量的陶瓷废料,如专利号为201710946573.7的发明专利公开了用废旧陶瓷料制作的陶瓷制品及其制作方法。该用废旧陶瓷料制作的陶瓷制品,包括按照质量份数计的如下原料:废旧陶瓷粉50~65份、黏土15~20份、废旧陶瓷颗粒6~10份、硅微粉5~9份、聚乙烯蜡3~6份、粘结剂2~5份,其中所述废旧陶瓷粉粒径为40~100μm,废旧陶瓷颗粒粒径为1~3mm。
但是,上述陶瓷制品需要在1200℃以上烧制,烧成温度高、时间长,能源损耗大,仍有进一步节能空间。另外,萤石矿物在开采过程中也会产生大量的尾矿,在硼砂生产过程中也会产生大量的硼泥废渣,现有技术中并没有出现综合利用废瓷粉、萤石尾矿和硼泥等废弃原料制备加工出同时满足坯釉结合良好,热稳定性好,抗弯强度高的陶瓷制品。
发明内容
本发明发明目的在于提供一种利用废弃原料制得的陶瓷花盆及其制备工艺,低温一次烧制且釉结合良好,热稳定性好,抗弯强度高。
为实现上述发明目的,本发明采用的技术方案是:
利用废弃原料制得的陶瓷花盆,陶瓷花盆由坯体及釉层烧结而成,其中:
所述坯体由如下重量份数原料组成:20-30份的德化高岭土、10-20份的钾长石、40-60份的纳米废瓷粉、15-20份的叶蜡石、5-10份的坯用助熔剂及10-20份的坯用低温熔块;
所述釉层由如下重量份数原料组成:40-60份的白泥、10-20份的钾长石、10-20份的萤石尾矿、5-10份的釉用助熔剂及10-20份的釉用低温熔块。
优选地,所述坯用低温熔块由如下重量份数原料制成:20-30份的石英、10-15份的钠长石、15-20份的硼砂、10-20份的硅灰石、10-15份的硼泥。
优选地,所述坯用低温熔块的制备方法为:将石英、钠长石、硼砂、硅灰石、硼泥按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1290℃~1310℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得坯用低温熔块。
优选地,所述釉用低温熔块由如下重量份数原料制成:25-30份的石英、10-15份的钠长石、10-20份的叶长石、15-20份的硼砂、5-10份的碳酸锂。
优选地,所述釉用低温熔块的制备方法为:将石英、钠长石、叶长石、硼砂、碳酸锂按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1320℃~1350℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得釉用低温熔块。
优选地,所述坯用助熔剂和釉用助熔剂由氟化钠和硅氟酸钠按质量比为3︰1配制而成。
本发明还提供一种利用废弃原料制得的陶瓷花盆的制备工艺,包括如下步骤:
S1、原料准备:按照重量份数分别称取各原料,备用;
S2、坯体制作:将坯体原料混合加水后以氧化铝球为球磨介质进行球磨,球磨20min-30min后过500目筛,得到坯体泥料,经过脱水、真空练泥、陈腐工序,然后将定型得到的粗坯,进行利坯、晾晒,得到坯体;
S3、釉水制作:将釉层原料混合后加水球磨,调节其含水率为45~55%,之后过250~320目筛,再在真空度为0.1~0.5MPa,50~62℃的条件下以120~150r/min的速度进行真空搅拌与除泡,自然降温后得到釉水;
S4、调节步骤S3得到釉水的含水率为50%~60%,然后对步骤(2)得到的坯体进行施釉,晾干后在氧化气氛下烧结,最高烧结温度为1080~1120℃。
优选地,所述烧结过程的烧成温度控制具体为:以2.2℃/min~2.5℃/min的升温速率从室温匀速升温至350℃~380℃,再以2.0℃/min~2.2℃/min的升温速率匀速升温至600℃~620℃,接着以1.5℃/min~1.8℃/min的升温速率匀速升温至900℃~950℃并保温20min~30min,然后以1.2℃/min~1.5℃/min的升温速率匀速升温至最高烧结温度并保温30min~40min。
与现有技术相比,本发明具有以下有益效果:
本发明陶瓷花盆的坯体利用纳米废瓷粉和包含硼泥的坯用低温熔块以及坯用助熔剂,其中坯用低温熔块构成镁-钙-硼-钠-铝-硅多元复合熔剂,外加由氟化钠与硅氟酸钠构成的坯用助熔剂,而釉层利用萤石尾矿和釉用低温熔块等,其中釉用低温熔块构成锂-硼-钠-铝-硅多元复合熔剂,外加由氟化钠与硅氟酸钠构成的釉用助熔剂,从而使得纳米废瓷粉、硼泥和萤石尾矿能够与其他原料混合烧制,且可大大降低了坯体的烧成温度,制得的陶瓷花盆坯釉结合良好,吸水率小于2%,抗弯强度达50MPa以上,180℃~20℃二次急冷不裂,釉面平滑光润,耐磨性好。
具体实施方式
实施例1
本实施例提供一种利用废弃原料制得的陶瓷花盆,由坯体及釉层烧结而成。
其中:所述坯体由如下重量份数原料组成:25份的德化高岭土、10份的钾长石、50份的纳米废瓷粉、18份的叶蜡石、8份的坯用助熔剂及15份的坯用低温熔块,所述坯用助熔剂由氟化钠和硅氟酸钠按质量比为3︰1配制而成。所述坯用低温熔块由如下重量份数原料制成:25份的石英、12份的钠长石、20份的硼砂、15份的硅灰石、10份的硼泥,坯用低温熔块的制备方法为:将石英、钠长石、硼砂、硅灰石、硼泥按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1290℃~1310℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得坯用低温熔块。
其中:所述釉层由如下重量份数原料组成:50份的白泥、15份的钾长石、15份的萤石尾矿、5份的釉用助熔剂及15份的釉用低温熔块,所述釉用助熔剂由氟化钠和硅氟酸钠按质量比为3︰1配制而成。所述釉用低温熔块由如下重量份数原料制成:30份的石英、10份的钠长石、15份的叶长石、15份的硼砂、8份的碳酸锂,所述釉用低温熔块的制备方法为:将石英、钠长石、叶长石、硼砂、碳酸锂按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1320℃~1350℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得釉用低温熔块。
本实施例的利用废弃原料制得的陶瓷花盆的制备工艺,包括如下步骤:
S1、原料准备:按照重量份数分别称取各原料,备用;
S2、坯体制作:将坯体原料混合加水后以氧化铝球为球磨介质进行球磨,球磨20min-30min后过500目筛,得到坯体泥料,经过脱水、真空练泥、陈腐工序,然后将定型得到的粗坯,进行利坯、晾晒,得到坯体;
S3、釉水制作:将釉层原料混合后加水球磨,调节其含水率为45%,之后过300目筛,再在真空度为0.25MPa,60℃的条件下以130r/min的速度进行真空搅拌与除泡,自然降温后得到釉水;
S4、调节步骤S3得到釉水的含水率为55%,然后对步骤(2)得到的坯体进行施釉,晾干后在氧化气氛下烧结,最高烧结温度为1100℃,烧结过程的烧成温度控制具体为:以2.2℃/min的升温速率从室温匀速升温至360℃,再以2.0℃/min的升温速率匀速升温至620℃,接着以1.6℃/min的升温速率匀速升温至940℃并保温30min,然后以1.4℃/min的升温速率匀速升温至最高烧结温度并保温40min。
实施例2
本实施例提供一种利用废弃原料制得的陶瓷花盆,由坯体及釉层烧结而成。
其中:所述坯体由如下重量份数原料组成:30份的德化高岭土、15份的钾长石、40份的纳米废瓷粉、15份的叶蜡石、5份的坯用助熔剂及20份的坯用低温熔块,所述坯用助熔剂由氟化钠和硅氟酸钠按质量比为3︰1配制而成。所述坯用低温熔块由如下重量份数原料制成:20份的石英、15份的钠长石、15份的硼砂、18份的硅灰石、12份的硼泥,坯用低温熔块的制备方法为:将石英、钠长石、硼砂、硅灰石、硼泥按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1290℃~1310℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得坯用低温熔块。
其中:所述釉层由如下重量份数原料组成:60份的白泥、15份的钾长石、10份的萤石尾矿、10份的釉用助熔剂及20份的釉用低温熔块,所述釉用助熔剂由氟化钠和硅氟酸钠按质量比为3︰1配制而成。所述釉用低温熔块由如下重量份数原料制成:25份的石英、12份的钠长石、20份的叶长石、18份的硼砂、6份的碳酸锂,所述釉用低温熔块的制备方法为:将石英、钠长石、叶长石、硼砂、碳酸锂按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1320℃~1350℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得釉用低温熔块。
本实施例的利用废弃原料制得的陶瓷花盆的制备工艺,包括如下步骤:
S1、原料准备:按照重量份数分别称取各原料,备用;
S2、坯体制作:将坯体原料混合加水后以氧化铝球为球磨介质进行球磨,球磨20min-30min后过500目筛,得到坯体泥料,经过脱水、真空练泥、陈腐工序,然后将定型得到的粗坯,进行利坯、晾晒,得到坯体;
S3、釉水制作:将釉层原料混合后加水球磨,调节其含水率为55%,之后过250目筛,再在真空度为0.5MPa,55℃的条件下以120r/min的速度进行真空搅拌与除泡,自然降温后得到釉水;
S4、调节步骤S3得到釉水的含水率为60%,然后对步骤(2)得到的坯体进行施釉,晾干后在氧化气氛下烧结,最高烧结温度为1120℃,烧结过程的烧成温度控制具体为:以2.4℃/min的升温速率从室温匀速升温至350℃,再以2.2℃/min的升温速率匀速升温至600℃,接着以1.5℃/min的升温速率匀速升温至950℃并保温25min,然后以1.2℃/min的升温速率匀速升温至最高烧结温度并保温30min。
实施例3
本实施例提供一种利用废弃原料制得的陶瓷花盆,由坯体及釉层烧结而成。
其中:所述坯体由如下重量份数原料组成:20份的德化高岭土、18份的钾长石、60份的纳米废瓷粉、20份的叶蜡石、10份的坯用助熔剂及18份的坯用低温熔块,所述坯用助熔剂由氟化钠和硅氟酸钠按质量比为3︰1配制而成。所述坯用低温熔块由如下重量份数原料制成:30份的石英、10份的钠长石、18份的硼砂、10份的硅灰石、10份的硼泥,坯用低温熔块的制备方法为:将石英、钠长石、硼砂、硅灰石、硼泥按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1290℃~1310℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得坯用低温熔块。
其中:所述釉层由如下重量份数原料组成:40份的白泥、20份的钾长石、20份的萤石尾矿、6份的釉用助熔剂及10份的釉用低温熔块,所述釉用助熔剂由氟化钠和硅氟酸钠按质量比为3︰1配制而成。所述釉用低温熔块由如下重量份数原料制成:25份的石英、15份的钠长石、10份的叶长石、20份的硼砂、5份的碳酸锂,所述釉用低温熔块的制备方法为:将石英、钠长石、叶长石、硼砂、碳酸锂按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1320℃~1350℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得釉用低温熔块。
本实施例的利用废弃原料制得的陶瓷花盆的制备工艺,包括如下步骤:
S1、原料准备:按照重量份数分别称取各原料,备用;
S2、坯体制作:将坯体原料混合加水后以氧化铝球为球磨介质进行球磨,球磨20min-30min后过500目筛,得到坯体泥料,经过脱水、真空练泥、陈腐工序,然后将定型得到的粗坯,进行利坯、晾晒,得到坯体;
S3、釉水制作:将釉层原料混合后加水球磨,调节其含水率为50%,之后过320目筛,再在真空度为0.1MPa,50℃的条件下以150r/min的速度进行真空搅拌与除泡,自然降温后得到釉水;
S4、调节步骤S3得到釉水的含水率为60%,然后对步骤(2)得到的坯体进行施釉,晾干后在氧化气氛下烧结,最高烧结温度为1080℃,烧结过程的烧成温度控制具体为:以2.5℃/min的升温速率从室温匀速升温至380℃,再以2.0℃/min的升温速率匀速升温至620℃,接着以1.8℃/min的升温速率匀速升温至900℃并保温20min,然后以1.5℃/min的升温速率匀速升温至最高烧结温度并保温35min。
实施例4
本实施例提供一种利用废弃原料制得的陶瓷花盆,由坯体及釉层烧结而成。
其中:所述坯体由如下重量份数原料组成:25份的德化高岭土、20份的钾长石、55份的纳米废瓷粉、15份的叶蜡石、8份的坯用助熔剂及18份的坯用低温熔块,所述坯用助熔剂由氟化钠和硅氟酸钠按质量比为3︰1配制而成。所述坯用低温熔块由如下重量份数原料制成:25份的石英、15份的钠长石、15份的硼砂、20份的硅灰石、15份的硼泥,坯用低温熔块的制备方法为:将石英、钠长石、硼砂、硅灰石、硼泥按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1290℃~1310℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得坯用低温熔块。
其中:所述釉层由如下重量份数原料组成:55份的白泥、10份的钾长石、12份的萤石尾矿、8份的釉用助熔剂及15份的釉用低温熔块,所述釉用助熔剂由氟化钠和硅氟酸钠按质量比为3︰1配制而成。所述釉用低温熔块由如下重量份数原料制成:25份的石英、15份的钠长石、15份的叶长石、18份的硼砂、10份的碳酸锂,所述釉用低温熔块的制备方法为:将石英、钠长石、叶长石、硼砂、碳酸锂按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1320℃~1350℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得釉用低温熔块。
本实施例的利用废弃原料制得的陶瓷花盆的制备工艺,包括如下步骤:
S1、原料准备:按照重量份数分别称取各原料,备用;
S2、坯体制作:将坯体原料混合加水后以氧化铝球为球磨介质进行球磨,球磨20min-30min后过500目筛,得到坯体泥料,经过脱水、真空练泥、陈腐工序,然后将定型得到的粗坯,进行利坯、晾晒,得到坯体;
S3、釉水制作:将釉层原料混合后加水球磨,调节其含水率为45%,之后过300目筛,再在真空度为0.3MPa,55℃的条件下以125r/min的速度进行真空搅拌与除泡,自然降温后得到釉水;
S4、调节步骤S3得到釉水的含水率为50%,然后对步骤(2)得到的坯体进行施釉,晾干后在氧化气氛下烧结,最高烧结温度为1100℃,烧结过程的烧成温度控制具体为:以2.2℃/min的升温速率从室温匀速升温至355℃,再以2.0℃/min的升温速率匀速升温至610℃,接着以1.8℃/min的升温速率匀速升温至940℃并保温28min,然后以1.3℃/min的升温速率匀速升温至最高烧结温度并保温40min。
对比例1
该对比例1与上述实施例1的区别仅在于:坯用助熔剂和釉用助熔剂均由氧化钠、碳酸钾和硅酸钠按1:2:2质量比组成。但是,最高烧结温度要1180℃。
分别取上述实施例1-4及对比例1制得的陶瓷花盆进行如下物性测试,测试结构参见表1。
吸水率测试:取5片碎片作为试样,洗净后烘干,分别称其重量,之后将试样分隔后置于蒸馏水中,煮沸3小时,期间水面保持高于试样10mm以上,之后将试样捞出,用已吸水饱和的布揩去试样表面附着的水,迅速分别称量其重量,之后通过公式计算出各试样的吸水率,计算5片试样的平均吸水率,其吸水率越低,试样的抗水性越好。
耐磨性测试:采用耐磨性测试机对碎片进行耐磨性测试,取5片碎片作为试样,在试样上放置一定颗粒级配的研磨钢球、80号白刚玉和定量的去离子水或蒸馏水,按照规定的旋转速率进行旋转研磨,对已磨损的试样与未磨损的试样进行观察对比,通过试样上开始出现磨损的研磨转数来评价其耐磨性,将5片试样的耐磨性测试结果求平均值即得陶瓷制品的耐磨性测试结果,其试样上开始出现磨损的研磨转数越高,试样的耐磨性越好。
热稳定性测试:分别取实施例1-4的陶瓷碎片作为试样,置于180℃条件下保温300分钟,保温结束后取出试样并进行核算,在15s内急速投入温度为20℃的水中,浸泡10分钟,其中,水的重量与试样重量之比为8:1,水面高出试样25mm,取出试样用布揩干,涂上红色墨水,检查有无裂纹,24h后再复查一次,产生裂纹越少,试样的抗热震性越好。
抗弯强度测试:参照GB/T 4741-1999陶瓷材料抗弯曲强度试验方法进行测试。
表1:本发明实施例1-4制得的陶瓷花盆物性测试结果表
以上显示和描述了本发明创造的基本原理和主要特征及本发明的优点,本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明创造精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内,本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (8)
1.利用废弃原料制得的陶瓷花盆,其特征在于:陶瓷花盆由坯体及釉层烧结而成,其中:
所述坯体由如下重量份数原料组成:20-30份的德化高岭土、10-20份的钾长石、40-60份的纳米废瓷粉、15-20份的叶蜡石、5-10份的坯用助熔剂及10-20份的坯用低温熔块;
所述釉层由如下重量份数原料组成:40-60份的白泥、10-20份的钾长石、10-20份的萤石尾矿、5-10份的釉用助熔剂及10-20份的釉用低温熔块。
2.根据权利要求1所述的利用废弃原料制得的陶瓷花盆,其特征在于:所述坯用低温熔块由如下重量份数原料制成:20-30份的石英、10-15份的钠长石、15-20份的硼砂、10-20份的硅灰石、10-15份的硼泥。
3.根据权利要求2所述的利用废弃原料制得的陶瓷花盆,其特征在于:所述坯用低温熔块的制备方法为:将石英、钠长石、硼砂、硅灰石、硼泥按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1290℃~1310℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得坯用低温熔块。
4.根据权利要求1所述的利用废弃原料制得的陶瓷花盆,其特征在于:所述釉用低温熔块由如下重量份数原料制成:25-30份的石英、10-15份的钠长石、10-20份的叶长石、15-20份的硼砂、5-10份的碳酸锂。
5.根据权利要求4所述的利用废弃原料制得的陶瓷花盆,其特征在于:所述釉用低温熔块的制备方法为:将石英、钠长石、叶长石、硼砂、碳酸锂按配比混合研磨均匀制得混合料,将混合料布撒装入耐火匣钵中,进行1320℃~1350℃高温熔制,得到熔融态的浆料;将浆料水淬冷却,并破碎成颗粒状,制得釉用低温熔块。
6.根据权利要求1所述的利用废弃原料制得的陶瓷花盆,其特征在于:所述坯用助熔剂和釉用助熔剂由氟化钠和硅氟酸钠按质量比为3︰1配制而成。
7.一种权利要求1所述的利用废弃原料制得的陶瓷花盆的制备工艺,其特征在于:包括如下步骤:
S1、原料准备:按照重量份数分别称取各原料,备用;
S2、坯体制作:将坯体原料混合加水后以氧化铝球为球磨介质进行球磨,球磨20min-30min后过500目筛,得到坯体泥料,经过脱水、真空练泥、陈腐工序,然后将定型得到的粗坯,进行利坯、晾晒,得到坯体;
S3、釉水制作:将釉层原料混合后加水球磨,调节其含水率为45~55%,之后过250~320目筛,再在真空度为0.1~0.5MPa,50~62℃的条件下以120~150r/min的速度进行真空搅拌与除泡,自然降温后得到釉水;
S4、调节步骤S3得到釉水的含水率为50%~60%,然后对步骤(2)得到的坯体进行施釉,晾干后在氧化气氛下烧结,最高烧结温度为1080~1120℃。
8.根据权利要求7所述的利用废弃原料制得的陶瓷花盆的制备工艺,其特征在于:所述烧结过程的烧成温度控制具体为:以2.2℃/min~2.5℃/min的升温速率从室温匀速升温至350℃~380℃,再以2.0℃/min~2.2℃/min的升温速率匀速升温至600℃~620℃,接着以1.5℃/min~1.8℃/min的升温速率匀速升温至900℃~950℃并保温20min~30min,然后以1.2℃/min~1.5℃/min的升温速率匀速升温至最高烧结温度并保温30min~40min。
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