CN115286372A - 一种砭钻的制备方法 - Google Patents
一种砭钻的制备方法 Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 59
- 238000001816 cooling Methods 0.000 claims abstract description 63
- 238000001354 calcination Methods 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 26
- 239000011812 mixed powder Substances 0.000 claims abstract description 23
- 239000011159 matrix material Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 26
- 239000000872 buffer Substances 0.000 claims description 24
- 238000005245 sintering Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 14
- 239000005995 Aluminium silicate Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052656 albite Inorganic materials 0.000 claims description 13
- 235000012211 aluminium silicate Nutrition 0.000 claims description 13
- 229960000892 attapulgite Drugs 0.000 claims description 13
- 239000004927 clay Substances 0.000 claims description 13
- 229910052570 clay Inorganic materials 0.000 claims description 13
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 claims description 13
- 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 13
- 229910052625 palygorskite Inorganic materials 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 13
- 229940080314 sodium bentonite Drugs 0.000 claims description 13
- 229910000280 sodium bentonite Inorganic materials 0.000 claims description 13
- 229910052613 tourmaline Inorganic materials 0.000 claims description 13
- 239000011032 tourmaline Substances 0.000 claims description 13
- 229940070527 tourmaline Drugs 0.000 claims description 13
- 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 description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 2
- 239000010433 feldspar Substances 0.000 claims description 2
- 229940072033 potash Drugs 0.000 claims description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 2
- 235000015320 potassium carbonate Nutrition 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 8
- 238000001228 spectrum Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 28
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000001467 acupuncture Methods 0.000 description 3
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- 241000272165 Charadriidae Species 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
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Abstract
本发明提供一种砭钻的制备方法,步骤1、制备矿石混合粉;步骤2、制备粘接基体粉;步骤3、制备坯体;步骤4、煅烧成型;步骤5冷却降温。本发明的制备方法在制备砭钻时无废品产生,有效降低废品率,且制得的砭钻的硬度高、耐摔性好,其红外线波普宽带的波长稳定在20‑25μm,产品的性能稳定。
Description
技术领域
本发明属于陶瓷材料制备技术领域,尤其是涉及一种砭钻的制备方法。
背景技术
砭石(具)属于古代的一种针灸器具。砭术是一种古针灸术,在《黄帝内经》中被列为古代五大医术(砭、针、灸、药、导引按跷)之首,是中医疗法的重要组成部分,由于制作砭具的佳石匮乏等原因,砭术自东汉以后逐渐失传。20世纪90年代,在山东古泗水流域发现了一种特殊的石头,成为泗滨浮石,原用于制馨,后发现制成砭具进行医疗保健具有良好的效果,砭术被重新挖掘出来,并诞生了新砭具和新砭石疗法。
但是现有技术在生产砭钻时,加工困难且废品率高,生产的砭石得保健效果参差不齐,不能保证产品的质量。
发明内容
本发明要解决的问题是提供一种砭钻的制备方法,制备砭钻时无废品产生,有效降低废品率,且制得的砭钻的硬度高、耐摔性好,其红外线波普宽带的波长稳定在20-25μm,产品的性能稳定。
为解决上述技术问题,本发明采用的技术方案是:一种砭钻的制备方法,包括以下步骤:
步骤1、制备矿石混合粉:将砭石、钾长石、钠长石、麦饭石、玛瑙、电气石和稀土分别磨粉,过400-800目的筛网,之后混合均匀,制得矿石混合粉;
步骤2、制备粘接基体粉:将高岭土、钠基膨润土、黏土和凹凸棒土,分别粉碎磨粉,过400-800目的筛网,之后混合均匀,制得粘接基体粉;
步骤3、制备胚体:将步骤1中的矿石混合粉和步骤2中的粘接基体粉混合均匀得到混合材料,之后加入水将混合材料搅拌均匀后注入到砭钻模具中制得生坯,之后将生坯放入烘箱内烘干制得坯体;
步骤4、煅烧成型:将步骤4中的坯体放入到窑炉中进行烧结;
步骤5、冷却降温:烧结结束后将窑炉降温至室温得到成品砭钻。
进一步地,步骤1中,矿石混合粉中的原料按照重量份数计由以下组分制成:砭石70-90份、钾长石5-10份、钠长石5-10份、麦饭石5-10份、玛瑙5-10份、电气石20-30份。
进一步地,步骤2中,高岭土、钠基膨润土、黏土和凹凸棒土的质量比为(1-2):(1-2):(1-2):(0.5-1.5)。
进一步地,步骤3中矿石混合粉和粘接基体粉的质量比为1:0.2-0.4,水的用量为矿石混合粉和粘接基体粉总质量的10%。
进一步地,步骤3中,烘干时烘箱的温度保持在40-60℃,其烘干时间为2-3h。
在进行烘干时,将烘箱内的温度控制在40-60℃,可以有效将水分进行烘出,同时不易在烘干过程中因水分散发的过快而产生裂纹,提高产品的完整性,进而提高成品率。
进一步地,步骤4中,在烧结时,采用第一段急速升温、第二段缓慢升温和第三段急速升温的三段升温方式进行烧结,具体为,第一段急速升温以10℃/s迅速升温至200-300℃,在该温度下煅烧20-30min;第二段缓慢升温以5℃/min缓慢升温至800-900℃,在该温度下煅烧30-40min;第三段急速升温以20℃/min迅速升温至1200-1300℃,在该温度下煅烧5-10min。
在进行烧结时,三用三段升温方式进行烧结,第一段急速升温快速将窑炉内的温度进行升高,之后在200-300℃下煅烧使得坯体进行加固煅烧,使得坯体适应窑炉的温度,不会因后续升温而断裂;第二段缓慢升温,进一步缓慢的对坯体进行加热煅烧,提高坯体的韧性;第三段急速升温对坯体进行淬炼,提高产品的硬度;三个阶段配合既能提高产品的性能,又能减少裂缝和废品的产生。
进一步地,第一段急速升温以10℃/s迅速升温至300℃,在该温度下煅烧20min;第二段缓慢升温以5℃/min缓慢升温至800℃,在该温度下煅烧30min;第三段急速升温以20℃/min迅速升温至1200℃,在该温度下煅烧10min。
进一步地,步骤5中,在降温时,采用第一段缓冲降温、第二段极速降温和第三段缓冲降温的三段降温方式进行降温;具体为,第一段缓冲降温以5℃/min的速度降温至600-700℃,保持窑炉内该温度10min;第二段极速降温以10℃/s的速度降温至100-150℃;第三段缓冲降温以10℃/min的速度降温至20-30℃。
在降温时,采用三段分段降温的方式,第一段缓冲降温,使得烧制好的产品避免因极速降温而表面产生裂纹,从而降低产品的废品率;第二段急速降温,在极速降温前,其成品已基本定型在急速降温时不会发生断裂,因此,第二段急速降温可以使得成品的温度快速的下降,从而缩短生产时间;第三段缓冲降温,减缓降温的速度,使得产品在最后的温度下正常降温,有效防止产品最后阶段因极速降温而皱缩导致产品损坏。三个阶段的降温方式组合使用,有效提高生产效率和成品率。
进一步地,第一段缓冲降温以5℃/min的速度降温至600℃,保持窑炉内该温度10min;第二段极速降温以10℃/s的速度降温至100℃;第三段缓冲降温以10℃/min的速度降温至30℃。
本发明具有的优点和积极效果是:
1、本发明的制备方法制备砭钻可以有效降低废品的产生,提高生产效率,节约原料和成本。
2、本发明的制备方法制得的砭钻的硬度高、耐摔性好,且红外线波普宽度的波长稳定在20-25μm,产品性能稳定,便于批量进行生产。
具体实施方式
下面结合具体实施方式对本发明作详细说明。
实施例1:
一种砭钻的制备方法,包括以下步骤:
步骤1、制备矿石混合粉:将砭石、钾长石、钠长石、麦饭石、玛瑙、电气石和稀土分别磨粉,过800目的筛网,之后混合均匀,制得矿石混合粉;其中,砭石70份、钾长石5份、钠长石5份、麦饭石5份、玛瑙5份、电气石20份。
步骤2、制备粘接基体粉:将高岭土、钠基膨润土、黏土和凹凸棒土,分别粉碎磨粉,过800目的筛网,之后混合均匀,制得粘接基体粉;其中,高岭土、钠基膨润土、黏土和凹凸棒土的重量比为1:1:1:0.5。
步骤3、制备胚体:将步骤1中的矿石混合粉和步骤2中的粘接基体粉按照1:0.2的重量比混合均匀得到混合材料,之后加入混合材料总重量10%的水将混合材料搅拌均匀后注入到砭钻模具中制得生坯,之后将生坯放入烘箱内烘干制得坯体;其中,烘箱的温度保持60℃,烘干时间为3h。
步骤4、煅烧成型:将步骤4中的坯体放入到窑炉中进行烧结;采用第一段急速升温、第二段缓慢升温和第三段急速升温的三段升温方式进行烧结,具体为,第一段急速升温以10℃/s迅速升温至300℃,在该温度下煅烧20min;第二段缓慢升温以5℃/min缓慢升温至800℃,在该温度下煅烧30min;第三段急速升温以20℃/min迅速升温至1200℃,在该温度下煅烧10min。
步骤5、冷却降温:烧结结束后将窑炉降温至室温得到成品砭钻;降温时,采用第一段缓冲降温、第二段极速降温和第三段缓冲降温的三段降温方式进行降温;具体为,第一段缓冲降温以5℃/min的速度降温至600℃,保持窑炉内该温度10min;第二段极速降温以10℃/s的速度降温至100℃;第三段缓冲降温以10℃/min的速度降温至30℃。
实施例2:
本实施例的制备方法同实施例1,与实施例1的区别仅为原料的配比不同,具体如下:
步骤1中,砭石80份、钾长石9份、钠长石5份、麦饭石6份、玛瑙8份、电气石21份。
步骤2中,高岭土、钠基膨润土、黏土和凹凸棒土的重量比为2:2:2:1.5。
步骤3中,矿石混合粉和粘接基体粉按照1:0.4的重量比混合制备混合材料。
实施例3:
本实施例的制备方法同实施例1,与实施例1的区别仅为原料的配比不同,具体如下:
步骤1中,砭石90份、钾长石10份、钠长石10份、麦饭石10份、玛瑙10份、电气石30份。
步骤2中,高岭土、钠基膨润土、黏土和凹凸棒土的重量比为1:2:1:0.5。
步骤3中,矿石混合粉和粘接基体粉按照1:0.3的重量比混合制备混合材料。
实施例4:
本实施例的制备方法同实施例1,与实施例1的区别仅为原料的配比不同,具体如下:
步骤1中,砭石75份、钾长石10份、钠长石10份、麦饭石8份、玛瑙7份、电气石25份。
步骤2中,高岭土、钠基膨润土、黏土和凹凸棒土的重量比为2:1:2:0.5。
步骤3中,矿石混合粉和粘接基体粉按照1:0.2的重量比混合制备混合材料。
实施例5:
本实施例的制备方法同实施例1,与实施例1的区别仅为原料的配比不同,具体如下:
步骤1中,砭石85份、钾长石5份、钠长石10份、麦饭石10份、玛瑙5份、电气石20份。
步骤2中,高岭土、钠基膨润土、黏土和凹凸棒土的重量比为1:1:2:1.5。
步骤3中,矿石混合粉和粘接基体粉按照1:0.2的重量比混合制备混合材料。
实施例6:
本实施例的制备方法同实施例1,与实施例1的区别仅为原料的配比不同,具体如下:
步骤1中,砭石90份、钾长石5份、钠长石8份、麦饭石8份、玛瑙8份、电气石22份。
步骤2中,高岭土、钠基膨润土、黏土和凹凸棒土的重量比为1:2:2:0.5。
步骤3中,矿石混合粉和粘接基体粉按照1:0.4的重量比混合制备混合材料。
实施例7:
本实施例的制备方法同实施例1,与实施例1的区别仅为原料的配比不同,具体如下:
步骤1中,砭石80份、钾长石10份、钠长石5份、麦饭石5份、玛瑙10份、电气石30份。
步骤2中,高岭土、钠基膨润土、黏土和凹凸棒土的重量比为1:1:1:1.5。
步骤3中,矿石混合粉和粘接基体粉按照1:0.4的重量比混合制备混合材料。
对比例1:
该对比例采用CN108751930A的专利文件中实施例1的技术方案制备砭钻。
对比例2:
该对比例采用CN109912298A的专利文件中实施例1的技术方案制备砭钻。
对比例3:
该对比例的制备方法同实施例1,与实施例1的区别为原料的配比不同,具体如下:
步骤1中,砭石50份、钾长石5份、钠长石5份、麦饭石5份、玛瑙5份、电气石20份。
对比例4:
该对比例的制备方法同实施例1,与实施例1的区别为原料的配比不同,具体如下:
步骤2中,高岭土、钠基膨润土、黏土和凹凸棒土的重量比为0.5:1:1:0.5。
对比例5:
该对比例的制备方法同实施例1,与实施例1的区别为原料的配比不同,具体如下:
步骤3中,矿石混合粉和粘接基体粉按照1:0.5的重量比混合制备混合材料,水的添加量为混合材料的20%。
实验例1:
将实施例1-7以及对比例1-5的制备方法进行制备砭钻,每个实施例同一批同时制备50个,观察其制得的砭钻的外观性能、计算废品率以及检测其红外波普宽带的波长。其检测结果如表1所示:
表1 实施例1-7以及对比例1-5的检测结果
由表1的实验结果可知,本发明的制备方法制备的砭钻的成品率高,几乎无废品,且外观性能好,其发能够发射20μm以上的红外线,可以充分地发挥砭石的功效,采用本发明的制备方法制得的砭钻性能好,废品率低,便于推广生产使用。
实验例2:
将实施例1-7和对比例1-5制得的砭钻检测其莫氏硬度和耐摔性,其检测结果如表2所示;
耐摔性检测方法为:每组取10个完好的样品,每个样品分别从高度为1.5m处自由下落至平整地面,反复进行多次,直至砭钻完全断裂(裂纹大小不论),计算各组砭钻摔落次数的平均值。
表2 砭钻的硬度与耐摔性检测
项目 | 莫氏硬度 | 摔落次数 |
实施例1 | 7.9 | 59 |
实施例2 | 8.2 | 48 |
实施例3 | 8.1 | 55 |
实施例4 | 7.9 | 54 |
实施例5 | 7.8 | 56 |
实施例6 | 8.0 | 55 |
实施例7 | 8.2 | 53 |
对比例1 | 6.5 | 19 |
对比例2 | 7.5 | 24 |
对比例3 | 7.6 | 53 |
对比例4 | 7.6 | 45 |
对比例5 | 7.2 | 42 |
由表2的实验数据可知,本发明的制备方法制得的砭钻的硬度高,耐摔性好,便于长期使用。
实施例8:
本实施例的制备方法同实施例1,与实施例1的区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤3中,烘箱的温度保持40℃,烘干时间为3h。
实施例9:
本实施例的制备方法同实施例1,与实施例1的区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤3中,烘箱的温度保持40℃,烘干时间为2h。
实施例10:
本实施例的制备方法同实施例1,与实施例1的区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤3中,烘箱的温度保持50℃,烘干时间为3h。
对比例6:
该对比例的制备方法同实施例1,与实施例1的区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤3中,烘箱的温度保持35℃,烘干时间为3h。
对比例7:
该对比例的制备方法同实施例1,与实施例1的区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤3中,烘箱的温度保持65℃,烘干时间为3h。
实验例3:
将实施例8-10以及对比例6-7的制备方法进行制备砭钻,每个实施例同一批同时制备50个,观察其制得的砭钻的外观性能、计算废品率以及检测其红外波普宽带的波长,同时检测砭钻的莫氏硬度和耐摔性。其检测结构如表3所示。
表3 实施例8-10以及对比例6-7的检测数据
由表3的数据可知,本发明的制备方法在进行制备砭钻时,烘箱温度保持在40-60℃时,制得的产品的几乎无废品;而在烘干时温度过高和过低均会使得产品出现裂纹或者破裂,从而使得废品增加。
实施例11:
本实施例的制备方法同实施例1,区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤4中,第一段急速升温以10℃/s迅速升温至200℃,在该温度下煅烧20min;第二段缓慢升温以5℃/min缓慢升温至800℃,在该温度下煅烧30min;第三段急速升温以20℃/min迅速升温至1200℃,在该温度下煅烧5min。
实施例12:
本实施例的制备方法同实施例1,区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤4中,第一段急速升温以10℃/s迅速升温至300℃,在该温度下煅烧30min;第二段缓慢升温以5℃/min缓慢升温至900℃,在该温度下煅烧40min;第三段急速升温以20℃/min迅速升温至1300℃,在该温度下煅烧5min。
实施例13:
本实施例的制备方法同实施例1,区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤4中,第一段急速升温以10℃/s迅速升温至200℃,在该温度下煅烧30min;第二段缓慢升温以5℃/min缓慢升温至800℃,在该温度下煅烧40min;第三段急速升温以20℃/min迅速升温至1200℃,在该温度下煅烧10min。
实施例14:
本实施例的制备方法同实施例1,区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤4中,第一段急速升温以10℃/s迅速升温至250℃,在该温度下煅烧20min;第二段缓慢升温以5℃/min缓慢升温至850℃,在该温度下煅烧30min;第三段急速升温以20℃/min迅速升温至1250℃,在该温度下煅烧10min。
实施例15:
本实施例的制备方法同实施例1,区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤5中,第一段缓冲降温以5℃/min的速度降温至700℃,保持窑炉内该温度10min;第二段极速降温以10℃/s的速度降温至150℃;第三段缓冲降温以10℃/min的速度降温至30℃。
实施例16:
本实施例的制备方法同实施例1,区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤5中,第一段缓冲降温以5℃/min的速度降温至600℃,保持窑炉内该温度10min;第二段极速降温以10℃/s的速度降温至150℃;第三段缓冲降温以10℃/min的速度降温至20℃。
实施例17:
本实施例的制备方法同实施例1,区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤5中,第一段缓冲降温以5℃/min的速度降温至650℃,保持窑炉内该温度10min;第二段极速降温以10℃/s的速度降温至150℃;第三段缓冲降温以10℃/min的速度降温至25℃。
对比例8:
该对比例的制备方法同实施例1,其区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤4中,采用直接升温的方式进行烧结,其中按照10℃/min的速度升温至1200℃,在该温度下继续烧结60min。
对比例9:
该对比例的制备方法同实施例1,其区别仅为制备过程中的工艺参数不同,具体区别如下:
步骤5中,采用直接降温的方式进行烧结,其中按照10℃/min的速度降温至30℃。
将实施例11-17以及对比例8-9的制备方法进行制备砭钻,每个实施例同一批同时制备50个,观察其制得的砭钻的外观性能、计算废品率以及检测其红外波普宽带的波长,同时检测砭钻的莫氏硬度和耐摔性。其检测结构如表4所示。
表4 实施例11-17以及对比例8-9的检测数据
由表4的实验结果可知,只有采用本发明的制备方法的三段升温方式进行烧结和三段降温方式进行降温冷却才可以减少废品率的产生,且生产的砭钻的耐摔性好,生产的产品几乎无废品,从而提高生产效率,节约原材料。
由以上的实验结果可知,本发明的制备方法进行制备砭钻,无废品产生,有效降低废品率,且制得的砭钻的硬度高、耐摔性好,其红外线波普宽带的波长稳定在20-25μm,产品的性能稳定。
以上对本发明的具体实施例进行了详细说明,但所述内容仅为本发明的较佳实施例,不能被认为用于限定本发明的实施范围。凡依本发明申请范围所作的均等变化与改进等,均应仍归属于本发明的专利涵盖范围之内。
Claims (9)
1.一种砭钻的制备方法,其特征在于,包括以下步骤:
步骤1、制备矿石混合粉:将砭石、钾长石、钠长石、麦饭石、玛瑙、电气石和稀土分别磨粉,过400-800目的筛网,之后混合均匀,制得矿石混合粉;
步骤2、制备粘接基体粉:将高岭土、钠基膨润土、黏土和凹凸棒土,分别粉碎磨粉,过400-800目的筛网,之后混合均匀,制得粘接基体粉;
步骤3、制备胚体:将步骤1中的矿石混合粉和步骤2中的粘接基体粉混合均匀得到混合材料,之后加入水将混合材料搅拌均匀后注入到砭钻模具中制得生坯,之后将生坯放入烘箱内烘干制得坯体;
步骤4、煅烧成型:将步骤4中的坯体放入到窑炉中进行烧结;
步骤5、冷却降温:烧结结束后将窑炉降温至室温得到成品砭钻。
2.根据权利要求1所述的一种砭钻的制备方法,其特征在于:步骤1中,矿石混合粉中的原料按照重量份数计由以下组分制成:
砭石70-90份、钾长石5-10份、钠长石5-10份、麦饭石5-10份、玛瑙5-10份、电气石20-30份。
3.根据权利要求1或2所述的一种砭钻的制备方法,其特征在于:步骤2中,高岭土、钠基膨润土、黏土和凹凸棒土的质量比为(1-2):(1-2):(1-2):(0.5-1.5)。
4.根据权利要求3所述的一种砭钻的制备方法,其特征在于:步骤3中矿石混合粉和粘接基体粉的质量比为1:0.2-0.4,水的用量为矿石混合粉和粘接基体粉总质量的10%。
5.根据权利要求1所述的一种砭钻的制备方法,其特征在于:步骤3中,烘干时烘箱的温度保持在40-60℃,其烘干时间为2-3h。
6.根据权利要求1所述的一种砭钻的制备方法,其特征在于:步骤4中,在烧结时,采用第一段急速升温、第二段缓慢升温和第三段急速升温的三段升温方式进行烧结,具体为,第一段急速升温以10℃/s迅速升温至200-300℃,在该温度下煅烧20-30min;第二段缓慢升温以5℃/min缓慢升温至800-900℃,在该温度下煅烧30-40min;第三段急速升温以20℃/min迅速升温至1200-1300℃,在该温度下煅烧5-10min。
7.根据权利要求6所述的一种砭钻的制备方法,其特征在于:第一段急速升温以10℃/s迅速升温至300℃,在该温度下煅烧20min;第二段缓慢升温以5℃/min缓慢升温至800℃,在该温度下煅烧30min;第三段急速升温以20℃/min迅速升温至1200℃,在该温度下煅烧10min。
8.根据权利要求1所述的一种砭钻的制备方法,其特征在于:步骤5中,在降温时,采用第一段缓冲降温、第二段极速降温和第三段缓冲降温的三段降温方式进行降温;具体为,第一段缓冲降温以5℃/min的速度降温至600-700℃,保持窑炉内该温度10min;第二段极速降温以10℃/s的速度降温至100-150℃;第三段缓冲降温以10℃/min的速度降温至20-30℃。
9.根据权利要求8所述的一种砭钻的制备方法,其特征在于:第一段缓冲降温以5℃/min的速度降温至600℃,保持窑炉内该温度10min;第二段极速降温以10℃/s的速度降温至100℃;第三段缓冲降温以10℃/min的速度降温至30℃。
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