CN108719793A - 一种自热粽子的制备方法 - Google Patents
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Abstract
本发明公开了一种自热粽子的制备方法,包括以下步骤:1、制备粽子:将粽子包好煮熟后捞出冷却,真空包装并灭菌;2、制备加热盒:将PP粒料改性混炼挤出片材,再将所述片材通过相应的模具压模成型后冷却备用;3、制备加热包:配制好加热包原料使用无纺布袋进行袋装后,再用塑料袋密封;4、组合密封:将所述加热包置于外盒底部,所述粽子置于内盒,再将所述内盒嵌套在外盒内部,盖紧盒盖后使用收缩膜进行密封包装。本发明涉及的自热粽子的制备方法操作简单,方便携带,节能环保,安全性高。
Description
技术领域
本发明涉及食品自热技术领域,特别涉及一种自热粽子的制备方法。
背景技术
随着人们生活水平的提高,自热食品越来越受到人们的喜爱和推广,自热食品是可以在任何条件下,无需任何烹饪加热工具的辅助也可迅速吃上热食,尽管是传统的方便食品如方便面、方便米饭和方便米粉等也是需要寻找外部热源去提供热量,因此,不需要外部热源的食品自热方式才能适应快节奏的城市生活。现在的食品越来越多元化,粽子也成为许多人喜爱的食品之一,但是由于粽子一般是糯米做的,冷却后会变硬,直接食用容易刺激食道,而且糯米本身不易被肠胃吸收,因此加热成了粽子食用之前的必要步骤,而且加热之后的糯米也会更香,使整个粽子的味道更好。所以,寻找一种便携快速的粽子加热方法非常必要。
发明内容
本发明的目的在于:针对上述存在的问题,提供一种操作方便,装置简单,加热速度快,易于实现的自热粽子的制备方法。
为了实现上述发明目的,本发明采用的技术方案如下:
一种自热粽子的制备方法,其特征在于:包括以下步骤:
(1)制备粽子:将粽子原料清洗干净并沥干水分,将原料按照一定的质量分数比置于粽叶中包裹成三角粽子状,用绳子捆绑扎紧,放入冷水蒸气锅中煮4~8h,煮熟后捞出冷却,真空包装并灭菌;
(2)制备加热盒:所述加热盒包括外盒、内盒和盒盖,所述外盒和盒盖是通过将PP粒料改性混炼挤出片材,再将所述片材通过外盒模具和盒盖模具压模成型,所述内盒则是在所述PP粒料改性混炼过程中加入导热材料,再挤出片材通过内盒模具压模成型,再将成型的加热盒冷却;
(3)制备加热包:将加热包原料按照配比配制好后倒入高频碾压机中调节频率进行碾压2~4h后,加入过量的胶体钯混合均匀后,使用无纺布袋进行袋装后,再用塑料袋密封;
(4)组合密封:将所述加热包置于外盒底部,所述粽子置于内盒,再将所述内盒嵌套在外盒内部,盖紧盒盖后使用收缩膜进行密封包装。
进一步地,所述粽子原料及质量份数为:糯米35~55份,板栗5~10份,绿豆20~30份,猪肉5~10份,食盐1~5份,腐乳1~2份,鸡精0.1~0.2份,酱油1~2份,植物油3~5份,白酒3~6份,味精0.1~0.2份,所述的灭菌为高温灭菌,所述高温灭菌的时间为30~45min,所述高温灭菌的温度为115~125℃,所述粽子的真空包装是通过真空包装机进行包装,所述真空包装的真空度为100~600Pa。
进一步地,所述PP粒料改性的配方及重量份数为:聚丙烯粒料20~35份、玉米淀粉母粒50~60份、补强剂碳酸钙晶须8~25份、1~2份抗氧剂168、润滑剂微晶石蜡1~3份、稳定剂硬脂酸钠1~3份,所述玉米淀粉母粒中玉米淀粉的含量为90~98%。
进一步地,所述PP粒料改性混炼挤出的工艺为:将聚丙烯粒料、玉米淀粉母粒、抗氧剂、润滑剂加入混料机混合15~40min后将混合后的原料导入双螺杆挤出机内并向里添加碳酸钙晶须混炼挤出,混炼温度为165~230℃,双螺杆挤出机的转速为300~360r/min,所述压模成型的温度为120~180℃。
进一步地,所述导热材料为碳化硅、氧化铝和氮化铝的一种或几种的混合物,所述导热材料的添加量为10%~50%。
进一步地,所述加热包原料的成分及质量份数为:铁粉10~15份,铝粉10~15份,焦炭滤料3~5份,所述胶体钯的质量份数为:70~85份,所述高频碾压机碾压是在氮气气氛下以300~400r/min的频率碾压。
进一步地,所述无纺布袋包括PP外层和PET内层,所述PP外层和PET内层之间通过超声复合连接,所述PP外层的厚度为0.3~0.5mm,所述PET内层为0.05~0.1mm,所述PET内层直接与加热包原料接触,所述PP外层为食品级无纺布。
进一步地,所述外盒由外盒底面和外盒侧壁围成并形成外盒内腔,所述外盒底面的中间部分由外盒底面的外侧向外盒内腔凹陷在外盒内腔内形成凸台,所述外盒侧壁由与外盒底面连接一侧向上延伸形成外盒口部,所述外盒口部下方设有台阶状承载台一,所述内盒由内盒底面和内盒侧壁围成并形成内盒内腔,所述内盒侧壁由与内盒底面连接一侧向上延伸形成内盒口部,所述内盒口部处设置有与所述承载台一相适配的承载台二,所述内盒侧壁上设置有若干个垂直于内盒底面的凹槽。
进一步地,所述外盒侧壁上设置有水平的注水线,所述将内盒嵌套在外盒内部是通过在内盒和外盒的侧壁上设置形状大小一样的台阶状水平承载铝粉台来实现,所述密封包装是通过收缩膜包装机来进行。
综上所述,由于采用了上述技术方案,本发明的有益效果是:
(1)本发明中的粽子的原料中加入板栗有养胃健脾、补肾壮腰、强筋活血、止血消肿等功效,加入绿豆使粽子口感均衡不油腻,且增加粽子的营养成分,将粽子包成90~110g的小三角粽容易煮熟,而且也方便后续包装,需要使用加热包加热食用时容易热透,灭菌后真空袋包装进行可以防止粽子变质,使用高温灭菌的方法是利用粽子本身需要高温煮熟,这样可以在不改变粽子口感前提下进行杀菌,也以延长了粽子的保质期。
(2)本发明中的加热盒设置成内盒和外盒可以将加热包和粽子分开放置,而且在内盒与外盒的分隔形成两个空间,粽子加热时形成蒸屉,外盒的底部放置加热包和水,内盒放置粽子,包装就可直接作为加热器皿,简单便携,容易操作,而加热包外部使用塑料袋密封是为了防止内部的加热剂被氧化失效,加热剂使用无纺布作为包装,易于吸水,在加热时易于吸水进入加热包,而加热包设计成两层,一方面是可以防止加热剂反应后生成的物质从无纺布袋内渗透出来进入外盒的水里,另一方面外层PP为食品级无纺布,置于外层且厚度较大,方便吸水且安全性高,而内层PET耐高温性能较好,在反应过程中不会出现高温破损情况,使用两层的无纺布袋增加粽子的安全性,使加热包内物质不会扩散到水中并随着蒸汽进入到内盒与粽子接触,从而被吃入人体的问题,整体设计安全可靠,操作简单且节能省力。
(3)本发明中加热盒中的外盒使用改性PP粒料挤出压模成型,改性的PP粒料中使用大量的玉米淀粉母粒,使整个材料具有巨大的吸光作用,在光照的作用下容易产生自由基反应,从而易于降解,环保效果优异,而加入碳酸钙晶须可以使整个加热盒的强度增加,让整个外盒和盒盖既能满足作为包装的强度要求,有容易降解,环保节能,且内盒中的原料添加碳化硅、氧化铝和氮化铝可以增加内盒的导热性能,在加热的过程中一方面通过外盒底部的蒸汽向上进入内盒从上面给粽子加热,还能通过内盒的导热进行局部的加热,另外加热的过程中在内盒中放入少量的水,内盒的导热性能使内盒中的水迅速沸腾形成蒸汽从粽子底部进行加热,加速粽子的加热过程,也使粽子加热更均匀,更快速。
(4)本发明中使用铁粉和铝粉作为反应剂制作加热包主要是利用活泼金属在与水反应的过程中可释放出大量的热和氢气,而由于氢气在高温条件下会存在安全隐患,因而在料包中加入了金属钯,金属钯是一种性能及其优良的吸氢剂,1体积胶体钯可吸收900~1200体积的氢气,吸收氢气后的金属钯体积迅速膨胀,而由于将吸收氢气后的金属钯加热至40~50℃后氢气又将大部分释放出来,在加热包中需要加入过量的金属钯。
整体来说,本发明涉及的自热粽子的自热方法制作简单,使用简单,方便携带,还节能环保,安全可靠。
附图说明
图1是本发明一种自热粽子的制备方法中加热盒的立体图;
附图中,1-外盒,11-外盒底面,12-外盒侧壁,13-外盒内腔,14-凸台,15-外盒口部,16-承载台一,2-内盒,21-内盒底面,22-内盒侧壁,23-内盒内腔,24-内盒口部,25-承载台二,26-凹槽,3-盒盖,31-通气孔。
具体实施方式
为使本发明的目的、技术方案及优点更加清楚明白,以下举出优选实施例,对本发明进一步详细说明。然而,需要说明的是,说明书中列出的许多细节仅仅是为了使读者对本发明的一个或多个方面有一个透彻的理解,即便没有这些特定的细节也可以实现本发明的这些方面。
实施例1
一种自热粽子的制备方法,其制作粽子的步骤如下:将粽子原料清洗干净并沥干水分,将原料按照一定的质量分数比置于粽叶中包裹成三角粽子状,用绳子捆绑扎紧,放入冷水蒸气锅中煮4h,煮熟后捞出冷却,真空包装并灭菌。所述粽子原料及质量份数为:糯米35份,板栗5份,绿豆20份,猪肉5份,食盐1份,腐乳1份,鸡精0.1份,酱油1份,植物油3份,白酒3份,味精0.1份,所述的灭菌为高温灭菌,所述高温灭菌的时间为30min,所述高温灭菌的温度为115℃,所述粽子的真空包装是通过真空包装机进行包装,所述真空包装的真空度为100Pa。
实施例2
一种自热粽子的制备方法,其制作粽子的步骤如下:将粽子原料清洗干净并沥干水分,将原料按照一定的质量分数比置于粽叶中包裹成三角粽子状,用绳子捆绑扎紧,放入冷水蒸气锅中煮8h,煮熟后捞出冷却,真空包装并灭菌。所述粽子原料及质量份数为:糯米55份,板栗10份,绿豆30份,猪肉10份,食盐5份,腐乳2份,鸡精0.2份,酱油2份,植物油5份,白酒6份,味精0.2份,所述的灭菌为高温灭菌,所述高温灭菌的时间为45min,所述高温灭菌的温度为125℃,所述粽子的真空包装是通过真空包装机进行包装,所述真空包装的真空度为600Pa。
实施例3
一种自热粽子的制备方法,其制作粽子的步骤如下:将粽子原料清洗干净并沥干水分,将原料按照一定的质量分数比置于粽叶中包裹成三角粽子状,用绳子捆绑扎紧,放入冷水蒸气锅中煮6.5h,煮熟后捞出冷却,真空包装并灭菌。所述粽子原料及质量份数为:糯米45份,板栗8份,绿豆25份,猪肉8份,食盐4份,腐乳1.5份,鸡精0.1份,酱油1份,植物油4份,白酒4.5份,味精0.2份,所述的灭菌为高温灭菌,所述高温灭菌的时间为38min,所述高温灭菌的温度为121℃,所述粽子的真空包装是通过真空包装机进行包装,所述真空包装的真空度为400Pa。
根据实施例1、实施例2和实施例3实施所制备的粽子口感清爽不油腻,且营养丰富,富含糖类、脂肪、多种维生素及无机盐,并且通过真空包装并高温灭菌大大提升了粽子的保质期,实施例1、实施例2和实施例3所制作的粽子保质期分别为50天、46天和48天,而一般裸露的粽子保质期小于7天,这就为粽子的保存销售以及食用安全性提供了很大的保障。
实施例4
一种自热粽子的制备方法,其制作自热加热盒的步骤如下:所述加热盒包括外盒、内盒和盒盖,所述外盒和盒盖是通过将PP粒料改性混炼挤出片材,再将所述片材通过外盒模具和盒盖模具压模成型,内盒则是在PP粒料改性混炼过程中加入导热材料,再挤出片材通过内盒模具压模成型,再将成型的加热盒;PP粒料改性的配方及重量份数为:聚丙烯粒料20份、玉米淀粉母粒50份、补强剂碳酸钙晶须8份、1份抗氧剂168、润滑剂微晶石蜡1份、稳定剂硬脂酸钠1份,玉米淀粉母粒中玉米淀粉的含量为90%,PP粒料改性混炼挤出的工艺为:将聚丙烯粒料、玉米淀粉母粒、抗氧剂、润滑剂加入混料机混合15min后将混合后的原料导入双螺杆挤出机内并向里添加碳酸钙晶须混炼挤出,混炼温度为165℃,双螺杆挤出机的转速为300r/min,所述压模成型的温度为120℃,导热材料为碳化硅、氧化铝和氮化铝的一种或几种的混合物,导热材料的添加量为10%。
实施例5
一种自热粽子的制备方法,其制作自热加热盒的步骤如下:所述加热盒包括外盒、内盒和盒盖,所述外盒和盒盖是通过将PP粒料改性混炼挤出片材,再将所述片材通过外盒模具和盒盖模具压模成型,内盒则是在PP粒料改性混炼过程中加入导热材料,再挤出片材通过内盒模具压模成型,再将成型的加热盒;PP粒料改性的配方及重量份数为:聚丙烯粒料35份、玉米淀粉母粒60份、补强剂碳酸钙晶须25份、2份抗氧剂168、润滑剂微晶石蜡3份、稳定剂硬脂酸钠3份,玉米淀粉母粒中玉米淀粉的含量为98%,PP粒料改性混炼挤出的工艺为:将聚丙烯粒料、玉米淀粉母粒、抗氧剂、润滑剂加入混料机混合40min后将混合后的原料导入双螺杆挤出机内并向里添加碳酸钙晶须混炼挤出,混炼温度为230℃,双螺杆挤出机的转速为360r/min,所述压模成型的温度为180℃,导热材料为碳化硅、氧化铝和氮化铝的一种或几种的混合物,导热材料的添加量为50%。
实施例6
一种自热粽子的制备方法,其制作自热加热盒的步骤如下:所述加热盒包括外盒、内盒和盒盖,所述外盒和盒盖是通过将PP粒料改性混炼挤出片材,再将所述片材通过外盒模具和盒盖模具压模成型,内盒则是在PP粒料改性混炼过程中加入导热材料,再挤出片材通过内盒模具压模成型,再将成型的加热盒;PP粒料改性的配方及重量份数为:聚丙烯粒料30份、玉米淀粉母粒55份、补强剂碳酸钙晶须18份、1.5份抗氧剂168、润滑剂微晶石蜡2份、稳定剂硬脂酸钠2份,玉米淀粉母粒中玉米淀粉的含量为95%,PP粒料改性混炼挤出的工艺为:将聚丙烯粒料、玉米淀粉母粒、抗氧剂、润滑剂加入混料机混合28min后将混合后的原料导入双螺杆挤出机内并向里添加碳酸钙晶须混炼挤出,混炼温度为190℃,双螺杆挤出机的转速为340r/min,所述压模成型的温度为160℃,导热材料为碳化硅、氧化铝和氮化铝的一种或几种的混合物,导热材料的添加量为30%。
根据实施例4、实施例5和实施例6实施制作的加热盒外观一致,如图1所示,外盒1由外盒底面11和外盒侧壁12围成并形成外盒内腔13,所述外盒底面11的中间部分由外盒底面11的外侧向外盒内腔13凹陷在外盒内腔13内形成凸台14,所述外盒侧壁12由与外盒底面11连接一侧向上延伸形成外盒口部15,所述外盒口部15下方设有台阶状承载台一16,所述内盒2由内盒底面21和内盒侧壁22围成并形成内盒内腔23,所述内盒侧壁22由与内盒底面21连接一侧向上延伸形成内盒口部24,所述内盒口部24处设置有与所述承载台一16相适配的承载台二25,所述内盒侧壁22上设置有8个垂直于内盒底面21的凹槽26,盒盖3上设有通气孔31。
根据实施例4、实施例5和实施例6实施所制作的加热盒设置成内盒和外盒可以将加热包和粽子分开放置,而且在内盒与外盒的分隔形成两个空间,粽子加热时形成蒸屉,外盒的底部放置加热包和水,内盒放置粽子,包装就可直接作为加热器皿,简单便携,容易操作,而且原材料中加入大量的玉米淀粉母粒,使整个材料具有巨大的吸光作用,在光照的作用下容易产生自由基反应,从而易于降解,环保效果优异,且内盒中的原料添加碳化硅、氧化铝和氮化铝可以增加内盒的导热性能。
实施例7
一种自热粽子的制备方法,其制备加热盒的步骤如下:将加热包原料按照配比配制好后倒入高频碾压机中调节频率进行碾压2h后,加入过量的胶体钯混合均匀后,使用无纺布袋进行袋装后,再用塑料袋密封;加热包原料的成分及质量份数为:铁粉10份,铝粉15份,焦炭滤料3份,所述胶体钯的质量份数为:70份,所述高频碾压机碾压是在氮气气氛下以300r/min的频率碾压。所述无纺布袋包括PP外层和PET内层,所述PP外层和PET内层之间通过超声复合连接,所述PP外层的厚度为0.3mm,所述PET内层为0.05mm,所述PET内层直接与加热包原料接触,所述PP外层为食品级无纺布。
实施例8
一种自热粽子的制备方法,其制备加热盒的步骤如下:将加热包原料按照配比配制好后倒入高频碾压机中调节频率进行碾压4h后,加入过量的胶体钯混合均匀后,使用无纺布袋进行袋装后,再用塑料袋密封;加热包原料的成分及质量份数为:铁粉15份,铝粉10份,焦炭滤料5份,所述胶体钯的质量份数为:85份,所述高频碾压机碾压是在氮气气氛下以400r/min的频率碾压。所述无纺布袋包括PP外层和PET内层,所述PP外层和PET内层之间通过超声复合连接,所述PP外层的厚度为0.5mm,所述PET内层为0.1mm,所述PET内层直接与加热包原料接触,所述PP外层为食品级无纺布。
实施例9
一种自热粽子的制备方法,其制备加热盒的步骤如下:将加热包原料按照配比配制好后倒入高频碾压机中调节频率进行碾压3h后,加入过量的胶体钯混合均匀后,使用无纺布袋进行袋装后,再用塑料袋密封;加热包原料的成分及质量份数为:铁粉12份,铝粉13份,焦炭滤料4份,所述胶体钯的质量份数为:78份,所述高频碾压机碾压是在氮气气氛下以350r/min的频率碾压。所述无纺布袋包括PP外层和PET内层,所述PP外层和PET内层之间通过超声复合连接,所述PP外层的厚度为0.4mm,所述PET内层为0.08mm,所述PET内层直接与加热包原料接触,所述PP外层为食品级无纺布。
根据实施例7、实施例8和实施例9实施制备的加热包利用活泼金属铁和铝与水反应释放大量热量将水加热形成蒸汽对粽子加热,这三个实施例制备的加热包的加热效果如下表所示:
编号 | 煮沸时间(min) | 失效时间(min) |
实施例7 | 13 | 113 |
实施例8 | 15 | 114 |
实施例9 | 12 | 108 |
实施例10
一种自热粽子的制备方法,其各部分组合方法如下:将所述加热包置于外盒底部,所述粽子置于内盒,再将所述内盒嵌套在外盒内部,盖紧盒盖后使用收缩膜进行密封包装,所述外盒侧壁上设置有水平的注水线,所述将内盒嵌套在外盒内部是通过在内盒和外盒的侧壁上设置形状大小一样的台阶状水平承载台来实现,所述密封包装是通过收缩膜包装机来进行。
根据实施例10实施制备的自热粽子食用方便,加热包置于外盒内腔底部,加入冷水至注水线,将粽子置于内盒内腔并加入少量水,加热包撕开外包装的密封塑料袋放入水中,将内盒固定在外盒的承载台上,盖紧盒盖即可进行加热,外盒底部的加热包反应放热后将底部的水加热至沸腾后,水蒸气通孔凹槽与外盒侧壁形成的空隙往上升起后,通过盒盖底面阻挡返回进入到内盒内腔,内盒内腔中的水也受热沸腾由内盒底部向上升起,使粽子加热更充分。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (9)
1.一种自热粽子的制备方法,其特征在于:包括以下步骤:
(1)制备粽子:将粽子原料清洗干净并沥干水分,将原料按照一定的质量分数比置于粽叶中包裹成三角粽子状,用绳子捆绑扎紧,放入冷水蒸气锅中煮4~8h,煮熟后捞出冷却,真空包装并灭菌;
(2)制备加热盒:所述加热盒包括外盒、内盒和盒盖,所述外盒和盒盖是通过将PP粒料改性混炼挤出片材,再将所述片材通过外盒模具和盒盖模具压模成型,所述内盒则是在所述PP粒料改性混炼过程中加入导热材料,再挤出片材通过内盒模具压模成型,再将成型的加热盒冷却;
(3)制备加热包:将加热包原料按照配比配制好后倒入高频碾压机中调节频率进行碾压2~4h后,加入过量的胶体钯混合均匀后,使用无纺布袋进行袋装后,再用塑料袋密封;
(4)组合密封:将所述加热包置于外盒底部,所述粽子置于内盒,再将所述内盒嵌套在外盒内部,盖紧盒盖后使用收缩膜进行密封包装。
2.根据权利要求1所述的一种自热粽子的制备方法,其特征在于:所述粽子原料及质量份数为:糯米35~55份,板栗5~10份,绿豆20~30份,猪肉5~10份,食盐1~5份,腐乳1~2份,鸡精0.1~0.2份,酱油1~2份,植物油3~5份,白酒3~6份,味精0.1~0.2份,所述粽子一个使用的粽子原料总质量量为90~110g,所述的灭菌为高温灭菌,所述高温灭菌的时间为30~45min,所述高温灭菌的温度为115~125℃,所述粽子的真空包装是通过真空包装机进行包装,所述真空包装的真空度为100~600Pa。
3.根据权利要求1所述的一种自热粽子的制备方法,其特征在于:所述PP粒料改性的配方及重量份数为:聚丙烯粒料20~35份、玉米淀粉母粒50~60份、补强剂碳酸钙晶须8~25份、1~2份抗氧剂168、润滑剂微晶石蜡1~3份、稳定剂硬脂酸钠1~3份,所述玉米淀粉母粒中玉米淀粉的含量为90~98%。
4.根据权利要求3所述的一种自热粽子的制备方法,其特征在于:所述PP粒料改性混炼挤出的工艺为:将聚丙烯粒料、玉米淀粉母粒、抗氧剂、润滑剂加入混料机混合15~40min后将混合后的原料导入双螺杆挤出机内并向里添加碳酸钙晶须混炼挤出,混炼温度为165~230℃,双螺杆挤出机的转速为300~360r/min,所述压模成型的温度为120~180℃。
5.根据权利要求1所述的一种自热粽子的制备方法,其特征在于:所述导热材料为碳化硅、氧化铝和氮化铝的一种或几种的混合物,所述导热材料的添加量为10%~50%。
6.根据权利要求1所述的一种自热粽子的制备方法,其特征在于:所述加热包原料的成分及质量份数为:铁粉10~15份,铝粉10~15份,焦炭滤料3~5份,所述胶体钯的质量份数为:70~85份,所述高频碾压机碾压是在氮气气氛下以300~400r/min的频率碾压。
7.根据权利要求1或6所述的一种自热粽子的制备方法,其特征在于:所述无纺布袋包括PP外层和PET内层,所述PP外层和PET内层之间通过超声复合连接,所述PP外层的厚度为0.3~0.5mm,所述PET内层为0.05~0.1mm,所述PET内层直接与加热包原料接触,所述PP外层为食品级无纺布。
8.根据权利要求1所述的一种自热粽子的制备方法,其特征在于:所述外盒由外盒底面和外盒侧壁围成并形成外盒内腔,所述外盒底面的中间部分由外盒底面的外侧向外盒内腔凹陷在外盒内腔内形成凸台,所述外盒侧壁由与外盒底面连接一侧向上延伸形成外盒口部,所述外盒口部下方设有台阶状承载台一,所述内盒由内盒底面和内盒侧壁围成并形成内盒内腔,所述内盒侧壁由与内盒底面连接一侧向上延伸形成内盒口部,所述内盒口部处设置有与所述承载台一相适配的承载台二,所述内盒侧壁上设置有若干个垂直于内盒底面的凹槽。
9.根据权利要求1所述的一种自热粽子的制备方法,其特征在于:所述外盒侧壁上设置有水平的注水线,所述将内盒嵌套在外盒内部是通过在内盒和外盒的侧壁上设置形状大小一样的台阶状水平承载台来实现,所述密封包装是通过收缩膜包装机来进行。
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