如何防止冷藏箱里的冰淇淋融化

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共同创作者是 Ririka Evans

参考

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带着被冷饮和美食塞得满满的冷藏箱去海滩或者公园郊游的确是非常的惬意。如果天气非常炎热，你可能想带上冰淇淋，但是怎么做才能不让冰淇淋融化呢？下面就来教你延迟冰淇淋融化速度的方法。

方法 1
方法 1 的 2:

利用干冰

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    如果便携式冷藏箱的容积为38L，就 购买 4.5–9kg的干冰。 你可以在大商场、冷饮店，或者医院买到干冰，价格大约是每公斤十几二十元。干冰会以每天2–5kg的速度蒸发，所以如果太早买回家，到用的时候就没多少省下了。 [1]
    • 市面上干冰的尺寸通常为25cm×5cm，重量为4. 5kg。根据冷藏箱的长度决定干冰的用量——每38cm长需要一块干冰。 [2]
    • 如果你想 自己制作干冰 ，就将二氧化碳灭火器的喷嘴往枕套里喷2到3秒。尝试这种方法时一定要戴手套，穿着不露脚趾的鞋子，并且佩戴好其它的安全器具。
  2. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/8\/8a\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-2.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/8a\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-2.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-2.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    干冰能够产生水蒸气，所以你选择的冷藏箱一定要有排气孔或者排气阀，确保水蒸汽能够排出箱外。如果冷藏箱是完全密封的，水蒸气会使箱内气压增大，引起爆炸。
    • 如果冷藏箱没有阀门，就将箱子的盖子略微打开。 [3]
    • 塑料和发泡胶制成的冷藏箱常用来存储干冰。
  3. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/0\/05\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-3.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-3.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/05\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-3.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-3.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    干冰会“灼伤”你的手——在零下78℃时，所谓的灼烧其实是严重的冻伤。无论如何，从冷藏箱里拿冰淇淋的时候，你都不要让裸露的皮肤接触到干冰。 [4]
  4. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/7\/78\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-4.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-4.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/78\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-4.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-4.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    因为冷空气会下沉，所以当干冰放置在需要冷藏的物体上方时，干冰的制冷效果最好。可能的话，你应该把干冰放在冷藏箱里其它物体的上面。 [5]
  5. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/9\/91\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-5.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-5.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/91\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-5.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-5.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    包裹毛巾是为了将干冰和空气隔绝开来，延长干冰的寿命。另外，包裹毛巾还能保护冷藏箱里的食物不因为干冰而受损。 [6]
  6. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/f\/f9\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-6.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-6.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f9\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-6.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-6.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    干冰的威力非常大，能将任何下方的物体冻成冰。用单独的冷藏箱装饮料和零食能确保食物不被冻结，同时也能延长干冰的寿命。 [7]
  7. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/e\/e9\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-7.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-7.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/e9\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-7.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-7.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    冷藏箱里空余的空间会加速干冰蒸发。如果你的食物不够多，不能将冷藏箱填满，就往里面倒入普通冰块。你也可以把毛巾或捏成一团的报纸塞进冷藏箱里。再不然，就多买些冰淇淋吧！ [8]
    • 冷藏箱填满后，把盖子盖紧。
  8. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/3\/3b\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-8.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-8.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3b\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-8.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-8.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    干冰蒸发时会释放二氧化碳。当你和干冰同时处于汽车内部这种狭小的密闭空间中时，越积越多的二氧化碳会让你感到头晕目眩，甚至昏倒。
    • 如果后备箱的空间不够大，就把车窗摇下来，或者打开空调，让外面的新鲜空气循环到车内。 [9]
  9. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/a\/a7\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-9.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-9.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/a7\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-9.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-9.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    当冷藏箱位于阴凉的地方时，干冰的寿命也会更长。
  10. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/2\/24\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-10.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-10.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/24\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-10.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-10.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    干冰清理起来非常简单！冰淇淋吃完后，你只要打开冷藏箱，把箱子放在通风良好的地方就可以了。干冰会转化为二氧化碳，消散到空气中。 [10]
    • 千万不要把干冰丢弃在下水道、水槽、厕所或者垃圾桶里。干冰会冻结损坏管道。干冰急剧膨胀甚至会引起爆炸。
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方法 2
方法 2 的 2:

使用普通冰块

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  1. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/4\/4f\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-11.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-11.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/4f\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-11.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-11.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    不是所有的冷藏箱质量都一样！不同种类的冷藏箱隔热的原理也不一样。Yeti和Coleman的冷藏箱质量好，和发泡胶制成的冷餐箱比起来保温效果更明显，可避免冰淇淋过早融化。 [11]
  2. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/0\/04\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-12.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-12.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/04\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-12.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-12.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    你绝对不想把冰淇淋放进温乎乎的冷藏箱里。把冷藏箱搬到室内，降低箱子的温度。有必要的话，你还可以将一桶冰倒进冷藏箱里。准备放入冰淇淋的时候，把之前的冰倒掉，再装些新鲜的冰块。 [12]
  3. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/3\/32\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-13.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-13.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/32\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-13.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-13.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    冷藏箱底部的食物通常能维持最低的温度。把不需要冻起来的食物放在冷藏箱的上层。不要把热的物体和冰淇淋一起放进冷藏箱，因为箱子内部需要尽可能维持低温。 [13]
  4. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/c\/cf\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-14.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-14.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/cf\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-14.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-14.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    用一口大锅或者砂锅装上水，放进冰箱里冻成冰块。冰块体积越大，融化的速度就越慢，冰淇淋融化需要的时间也越长。 [14]
  5. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/7\/72\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-15.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-15.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/72\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-15.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-15.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    岩盐能让冰块融化得更慢。事实上，以前制作冰淇淋时就会用到岩盐！用手抓一把岩盐直接撒在冰面上就可以了。 [15]
  6. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/a\/a2\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-16.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-16.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/a2\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-16.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-16.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    食品杂货店通常有售卖那种可以反复使用的冷冻袋，不论冷热食物都可以放入保温。你可以把装冰淇淋的盒子放进冷冻袋，然后再放入冷藏箱。最后在袋子周围放上冰块。
  7. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/0\/0d\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-17.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-17.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/0d\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-17.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-17.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    剩余的空间会加快冰块融化。需要的话，用毛巾将箱子里的空隙全部塞满。 [16]
  8. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/3\/34\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-18.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-18.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/34\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-18.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-18.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    经常打开冷藏箱会加速里面的冰块融化。你最好把酒水饮料等放在其它冷藏箱里，因为喝的东西拿取的频率更高。 [17]
  9. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/0\/08\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-19.jpg\/v4-460px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-19.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/08\/Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-19.jpg\/v4-728px-Keep-Ice-Cream-from-Melting-in-a-Cooler-Step-19.jpg","smallWidth":460,"smallHeight":306,"bigWidth":728,"bigHeight":485,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    如果郊游的地方没有遮挡物，这一点可能很难做到。不过你还是可以把箱子放在椅子背后或者伞下，防止冷藏箱温度升高。 [18]
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警告

  • 干冰随时都要储存在通风良好的地点。
  • 接触干冰时必需戴上手套。
  • 干冰要放在小孩以及宠物接触不到的地方。
  • 千万不要吞食干冰。
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参考

  1. ↑ http://dryiceinfo.com/safe.htm
  2. ↑ http://dryiceinfo.com/camping.htm
  3. ↑ https://www.thekitchn.com/5-mistakes-to-avoid-when-using-dry-ice-236784/
  4. ↑ http://dryiceinfo.com/camping.htm
  5. ↑ http://dryiceinfo.com/camping.htm
  6. ↑ https://www.thekitchn.com/how-to-buy-dry-ice-for-halloween-and-handle-it-safely-236785
  7. ↑ http://dryiceinfo.com/camping.htm
  8. ↑ http://dryiceinfo.com/camping.htm
  9. ↑ https://www.health.ny.gov/publications/7081.pdf
  1. ↑ http://www.ecu.edu/cs-admin/oehs/ih/Dry-Ice.cfm
  2. ↑ http://www.slate.com/articles/life/shopping/2006/07/nice_ice_baby.html
  3. ↑ https://www.epicurious.com/expert-advice/how-to-pack-your-cooler-for-camping-the-right-way-article
  4. ↑ https://www.epicurious.com/expert-advice/how-to-pack-your-cooler-for-camping-the-right-way-article
  5. ↑ http://www.idfa.org/news-views/media-kits/ice-cream/tips-on-storing-handling-ice-cream
  6. ↑ https://sciencing.com/rock-salt-make-ice-colder-5207350.html
  7. ↑ https://www.epicurious.com/expert-advice/how-to-pack-your-cooler-for-camping-the-right-way-article
  8. ↑ http://www.idfa.org/news-views/media-kits/ice-cream/tips-on-storing-handling-ice-cream
  9. ↑ https://www.epicurious.com/expert-advice/how-to-pack-your-cooler-for-camping-the-right-way-article

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