CN107324813A - 一种智能汤煲内胆的制造工艺 - Google Patents

一种智能汤煲内胆的制造工艺 Download PDF

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CN107324813A
CN107324813A CN201710561690.1A CN201710561690A CN107324813A CN 107324813 A CN107324813 A CN 107324813A CN 201710561690 A CN201710561690 A CN 201710561690A CN 107324813 A CN107324813 A CN 107324813A
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inner bag
parts
aluminium alloy
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齐慧
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Hefei Easthigh Rui Electronic Technology Co Ltd
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Abstract

本发明属于家用电器制造技术领域，具体涉及一种智能汤煲内胆的制造工艺，该内胆包括以下制造步骤：（1）氮化铝制备，（2）陶瓷原料制备，（3）陶瓷内胆制备，（4）铝合金外胆成型，（5）双胆结合。利用该工艺制造的汤煲内胆具有双层结构，包括内层的陶瓷内胆，外层的铝合金内胆，内层陶瓷内胆是经过配方改良的高温烧结胆，外层铝合金内胆通过铝合金溶液浇铸成型，然后利用两种材料的不同热膨胀系数将二者结合成一体；这种双层内胆具有受热均匀，散热缓慢，煲汤效果好优势，并且还具有耐高温、防炸裂、防冻、防摔的特点，是一种性能非常优异的智能汤煲内胆。

Description

一种智能汤煲内胆的制造工艺
技术领域
本发明属于家用电器制造技术领域，具体涉及一种智能汤煲内胆的制造工艺。
背景技术
煲汤是每一个厨艺达人必备的技能，各种各样美味食材煲出来的汤具有美容滋补、营养保健的功效；每逢家中有正在恢复的病人，人们都会为病人煲上一锅养元滋补的汤，如果家里有小孩，大人也会煲汤来均衡孩子的营养结构，让孩子开胃，提高孩子的饭量。
煲汤主要使用的炊具是砂锅，传统砂锅是由不易导热的长石、石英、粘土等原料通过高温烧制加工而成，具有透气性好，吸附性强，散热较慢的特点；特别适合煲汤这种小火慢炖的食材加工方式。但是传统砂锅不耐温差变化，不能干烧；而且容易炸裂，炸裂后可能会伤害到用户的人的身体健康，非常危险。通过在原材料中添加锂辉石等原料可以提高砂锅的耐高温能力，防止砂锅破碎。
此外，今天的汤煲多采用电加热的方式，也一定程度上降低了砂锅在高温下破裂的可能；但是电加热的砂锅往往不能均匀受热，导致煲出来的汤口感不如老式砂锅煲出来的汤醇厚，食材中的营养成分也不容易释放出来。
发明内容
针对以上问题，本发明的目的在于提供一种智能汤煲内胆的制造工艺，该工艺生产的汤煲内胆具有受热均匀，防摔、防冻、防炸裂的特点。
一种智能汤煲内胆的制造工艺，包括如下制造步骤：
(1)氮化铝制备：将氧化铝粉末与炭黑粉末按照5:3的质量比球磨混合，加入氧化钙粉末作为催化剂，在氮气的氛围中加热到1600-1700℃，反应3-4h，然后在氮气的氛围内冷却，得到黑色粉末，将黑色粉末在空气中加热到650-700℃，保温8-10h，进行脱碳，得到白色氮化铝粉末。
(2)陶瓷原料制备：按照质量份数称取氮化铝粉末60-70份，硅微粉35-40份，方解石25-30份，石英10-15份，石蜡8-10份，高岭土5-8份，碳酸钡6-8份，硝酸钾5-6份，纯碱4-6份，氧化钇3-5份，氧化镧2-3份，将以上原料混合均匀，得到预混陶瓷原料。
(3)陶瓷内胆制备：将预混陶瓷原料填充入内胆模具中，从内胆内部向模具加压升温，先在3min内将模具的挤压压强升高到2GPa，然后将模具内温度升高到1700℃，保温时间3-5h，之后将模具压力在5min缓慢降到常压状态，最后再将模具温度在60-70min内缓慢降至常温，得到所需陶瓷内胆。
(4)铝合金外胆成型：将铝合金型材加热到700-750℃，得到铝合金溶液，将铝合金溶液倒入模具中，浇铸成型，出模冷却后得到外胆坯件，将坯件送入到时效炉中，时效处理4-5h，得到强化后的外胆坯件，将坯件精修打磨处理，得到铝合金外胆。
(5)双胆结合：将铝合金外胆和陶瓷内胆加热，然后将陶瓷内胆套入到铝合金外胆中，挤压使陶瓷内胆和铝合金外胆结合紧密，然后将结合后的双层内胆缓慢降温，在2-3h内冷却到常温，得到所需智能汤煲的内胆。
优选的，步骤(1)中氧化铝粉末的杂质的含量小于0.03％。
优选的，步骤(1)中炭黑粉末的粒径在35nm以内，比表面积小于85㎡/g。
优选的，步骤(2)中各原料的粒径均为80-100目。
优选的，步骤(4)中的升温过程为两级梯度升温，现在20min内将温度升高到800-900℃，然后在50min内将温度升高到1700℃。
优选的，步骤(4)中时效炉中的温度为150-160℃。
优选的，步骤(5)中铝合金外胆的加热温度为200-250℃。
优选的，步骤(5)中陶瓷内胆的加热温度为320-340℃。
本发明提供的一种智能汤煲内胆的制造工艺制造的内胆，与现有技术相比，具有以下优点：
该内胆为双层结构，内层为陶瓷内胆，通过高温烧制而成，内胆结构致密，强度高，不易破损，能够承受高温，即使干烧的状况下也不会炸裂。该陶瓷内胆还具有多孔结构，可以减缓汤煲中汤的热量损失，使得煲出来的汤口感醇厚，香味浓郁。
该内胆的外层结构为铝合金，既可以对内层陶瓷结构起到很好的支撑和防护作用，提高内胆的抗冲击，防冻、防摔性能，还可以有利于热量的传导，扩大电加热板的加热范围，使内胆的底部和四周均能受热均匀，有利于食材中的营养成分充分快速释放。
具体实施方式
以下对本发明的具体实施方式进行详细说明。应当理解的是，此处所描述的具体实施方式仅用于说明和解释本发明，并不用于限制本发明。
实施例1
(1)氮化铝制备：将杂质含量小于0.03％的氧化铝粉末与炭黑粉末按照5:3的质量比球磨混合，炭黑粉末的粒径在35nm以内，比表面积小于85㎡/g，再加入氧化钙粉末作为催化剂，在氮气的氛围中加热到1600℃，反应3h，然后在氮气的氛围内冷却，得到黑色粉末，将黑色粉末在空气中加热到650℃，保温8h，进行脱碳，得到白色氮化铝粉末。
(2)陶瓷原料制备：按照质量份数称取氮化铝粉末60份，硅微粉35份，方解石25份，石英10份，石蜡8份，高岭土5份，碳酸钡6份，硝酸钾5份，纯碱4份，氧化钇3份，氧化镧2份，各原料的粒径均为80目，将以上原料混合均匀，得到预混陶瓷原料。
(3)陶瓷内胆制备：将预混陶瓷原料填充入内胆模具中，从内胆内部向模具加压升温，先在3min内将模具的挤压压强升高到2GPa，然后将模具内温度升高到1700℃，升温过程为两级梯度升温，现在20min内将温度升高到800℃，然后在50min内将温度升高到1700℃，保温时间3h，之后将模具压力在5min缓慢降到常压状态，最后再将模具温度在60min内缓慢降至常温，得到所需陶瓷内胆。
(4)铝合金外胆成型：将铝合金型材加热到700℃，得到铝合金溶液，将铝合金溶液倒入模具中，浇铸成型，出模冷却后得到外胆坯件，将坯件送入到时效炉中，时效炉中的温度为150℃，时效处理4h，得到强化后的外胆坯件，将坯件精修打磨处理，得到铝合金外胆。
(5)双胆结合：将铝合金外胆和陶瓷内胆加热，铝合金外胆的加热温度为200℃，陶瓷内胆的加热温度为320℃，然后将陶瓷内胆套入到铝合金外胆中，挤压使陶瓷内胆和铝合金外胆结合紧密，然后将结合后的双层内胆缓慢降温，在2h内冷却到常温，得到所需智能汤煲的内胆。
实施例2
(1)氮化铝制备：将杂质含量小于0.03％的氧化铝粉末与炭黑粉末按照5:3的质量比球磨混合，炭黑粉末的粒径在35nm以内，比表面积小于85㎡/g，再加入氧化钙粉末作为催化剂，在氮气的氛围中加热到1700℃，反应4h，然后在氮气的氛围内冷却，得到黑色粉末，将黑色粉末在空气中加热到700℃，保温10h，进行脱碳，得到白色氮化铝粉末。
(2)陶瓷原料制备：按照质量份数称取氮化铝粉末70份，硅微粉40份，方解石25份，石英15份，石蜡8份，高岭土5份，碳酸钡6份，硝酸钾6份，纯碱6份，氧化钇5份，氧化镧3份，各原料的粒径均为100目，将以上原料混合均匀，得到预混陶瓷原料。
(3)陶瓷内胆制备：将预混陶瓷原料填充入内胆模具中，从内胆内部向模具加压升温，先在3min内将模具的挤压压强升高到2GPa，然后将模具内温度升高到1700℃，升温过程为两级梯度升温，现在20min内将温度升高到800℃，然后在50min内将温度升高到1700℃，保温时间5h，之后将模具压力在5min缓慢降到常压状态，最后再将模具温度在70min内缓慢降至常温，得到所需陶瓷内胆。
(4)铝合金外胆成型：将铝合金型材加热到750℃，得到铝合金溶液，将铝合金溶液倒入模具中，浇铸成型，出模冷却后得到外胆坯件，将坯件送入到时效炉中，时效炉中的温度为155℃，时效处理4h，得到强化后的外胆坯件，将坯件精修打磨处理，得到铝合金外胆。
(5)双胆结合：将铝合金外胆和陶瓷内胆加热，铝合金外胆的加热温度为250℃，陶瓷内胆的加热温度为340℃，然后将陶瓷内胆套入到铝合金外胆中，挤压使陶瓷内胆和铝合金外胆结合紧密，然后将结合后的双层内胆缓慢降温，在2h内冷却到常温，得到所需智能汤煲的内胆。
实施例3
(1)氮化铝制备：将杂质含量小于0.03％的氧化铝粉末与炭黑粉末按照5:3的质量比球磨混合，炭黑粉末的粒径在35nm以内，比表面积小于85㎡/g，再加入氧化钙粉末作为催化剂，在氮气的氛围中加热到1650℃，反应3.5h，然后在氮气的氛围内冷却，得到黑色粉末，将黑色粉末在空气中加热到670℃，保温9h，进行脱碳，得到白色氮化铝粉末。
(2)陶瓷原料制备：按照质量份数称取氮化铝粉末65份，硅微粉4份，方解石27份，石英13份，石蜡9份，高岭土6份，碳酸钡7份，硝酸钾5份，纯碱5份，氧化钇4份，氧化镧3份，各原料的粒径均为90目，将以上原料混合均匀，得到预混陶瓷原料。
(3)陶瓷内胆制备：将预混陶瓷原料填充入内胆模具中，从内胆内部向模具加压升温，先在3min内将模具的挤压压强升高到2GPa，然后将模具内温度升高到1700℃，升温过程为两级梯度升温，现在20min内将温度升高到850℃，然后在50min内将温度升高到1700℃，保温时间4h，之后将模具压力在5min缓慢降到常压状态，最后再将模具温度在65min内缓慢降至常温，得到所需陶瓷内胆。
(4)铝合金外胆成型：将铝合金型材加热到770℃，得到铝合金溶液，将铝合金溶液倒入模具中，浇铸成型，出模冷却后得到外胆坯件，将坯件送入到时效炉中，时效炉中的温度为150℃，时效处理5h，得到强化后的外胆坯件，将坯件精修打磨处理，得到铝合金外胆。
(5)双胆结合：将铝合金外胆和陶瓷内胆加热，铝合金外胆的加热温度为250℃，陶瓷内胆的加热温度为340℃，然后将陶瓷内胆套入到铝合金外胆中，挤压使陶瓷内胆和铝合金外胆结合紧密，然后将结合后的双层内胆缓慢降温，在2h内冷却到常温，得到所需智能汤煲的内胆。
性能测试：
本实施例采用QB/T2579-2002《普通陶瓷烹调器》行业标准，对实施例的各项性能惊测试，其中外观质量标准如下：
表1：普通小型陶瓷烹调器外观质量标准
热稳定性测试标准为产品自300℃至20℃热交换一次胎不裂，测试方法为：
将试样放入已达到预定温度的加热设备内，待温度升高后，保温30min，保温结束后取出样品，样品口径与水面约成45°，以最快速度投入水中(从取出样品到投入水中时间不应超过15s，水面应高出试样至少20mm，水温增加不超过4℃)，浸泡10min，取出试样用布擦干，检查有无胎裂。
经过测试本实施例的外观质量和热稳定性测试结果如下：
表2：本实施例的外观质量和热稳定性测试结果
以上数据表明，本实施例生产的一种智能汤煲内胆的外观质量均达到优等品的级别，产品热稳定性均合格，不产生裂纹。
以上对本发明的具体实施例进行了描述。需要理解的是，本发明并不局限于上述特定实施方式，本领域技术人员可以在权利要求的范围内做出各种变形或修改，这并不影响本发明的实质内容。

Claims (8)

1.一种智能汤煲内胆的制造工艺，其特征在于：包括如下制造步骤：
（1）氮化铝制备：将氧化铝粉末与炭黑粉末按照5:3的质量比球磨混合，加入氧化钙粉末作为催化剂，在氮气的氛围中加热到1600-1700℃，反应3-4h，然后在氮气的氛围内冷却，得到黑色粉末，将黑色粉末在空气中加热到650-700℃，保温8-10h，进行脱碳，得到白色氮化铝粉末；
（2）陶瓷原料制备：按照质量份数称取氮化铝粉末60-70份，硅微粉35-40份，方解石25-30份，石英10-15份，石蜡8-10份，高岭土5-8份，碳酸钡6-8份，硝酸钾5-6份，纯碱4-6份，氧化钇3-5份，氧化镧2-3份，将以上原料混合均匀，得到预混陶瓷原料；
（3）陶瓷内胆制备：将预混陶瓷原料填充入内胆模具中，从内胆内部向模具加压升温，先在3min内将模具的挤压压强升高到2GPa，然后将模具内温度升高到1700℃，保温时间3-5h，之后将模具压力在5min缓慢降到常压状态，最后再将模具温度在60-70min内缓慢降至常温，得到所需陶瓷内胆；
（4）铝合金外胆成型：将铝合金型材加热到700-750℃，得到铝合金溶液，将铝合金溶液倒入模具中，浇铸成型，出模冷却后得到外胆坯件，将坯件送入到时效炉中，时效处理4-5h，得到强化后的外胆坯件，将坯件精修打磨处理，得到铝合金外胆；
（5）双胆结合：将铝合金外胆和陶瓷内胆加热，然后将陶瓷内胆套入到铝合金外胆中，挤压使陶瓷内胆和铝合金外胆结合紧密，然后将结合后的双层内胆缓慢降温，在2-3h内冷却到常温，得到所需智能汤煲的内胆。
2.根据权利要求1所述一种智能汤煲内胆的制造工艺，其特征在于：步骤（1）所述氧化铝粉末的杂质的含量小于0.03%。
3.根据权利要求1所述一种智能汤煲内胆的制造工艺，其特征在于：步骤（1）所述炭黑粉末的粒径在35nm以内，比表面积小于85㎡/g。
4.根据权利要求1所述一种智能汤煲内胆的制造工艺，其特征在于：步骤（2）所述各原料的粒径均为80-100目。
5.根据权利要求1所述一种智能汤煲内胆的制造工艺，其特征在于：步骤（4）所述升温过程为两级梯度升温，现在20min内将温度升高到800-900℃，然后在50min内将温度升高到1700℃。
6.根据权利要求1所述一种智能汤煲内胆的制造工艺，其特征在于：步骤（4）所述时效炉中的温度为150-160℃。
7.根据权利要求1所述一种智能汤煲内胆的制造工艺，其特征在于：步骤（5）所述铝合金外胆的加热温度为200-250℃。
8.根据权利要求1所述一种智能汤煲内胆的制造工艺，其特征在于：步骤（5）所述陶瓷内胆的加热温度为320-340℃。
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CN2625293Y (zh) * 2003-06-11 2004-07-14 冯宏海 陶瓷或紫砂容器快速加热防破裂结构
CN105084906A (zh) * 2015-08-21 2015-11-25 广东伊莱特电器有限公司 一种陶瓷材料、陶瓷内胆及其制得的电饭煲
CN106278282A (zh) * 2016-08-18 2017-01-04 广东伊莱特电器有限公司 一种陶瓷的制备工艺及应用该工艺的ih电饭煲内胆

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2625293Y (zh) * 2003-06-11 2004-07-14 冯宏海 陶瓷或紫砂容器快速加热防破裂结构
CN105084906A (zh) * 2015-08-21 2015-11-25 广东伊莱特电器有限公司 一种陶瓷材料、陶瓷内胆及其制得的电饭煲
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Application publication date: 20171107