[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"knowledge-f9daacd2b89dda13":3},{"id":4,"slug":5,"category":6,"categoryLabel":7,"title":8,"summary":9,"coverUrl":10,"publishDate":11,"shareUser":12,"rank":16,"lastSyncedAt":17,"contentHtml":18,"images":19,"sourceUrl":91},"6a73e05d842edf9499181268","f9daacd2b89dda13","others","其他","5块钱一颗的慢融冰，为什么我自己在家做不了？","","https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978971940-0-5ca3ab0d.jpg","2026-08-05T16:15:07.735376+08:00",{"name":13,"label":14,"text":15},"18","18分享","来自18分享",9,"2026-08-07T01:15:59.064Z","\u003Cdiv>\u003Cp>你去超市买饮料，又拿了一个冰杯，结账时被吓得喊出声：什么冰杯要8块钱啊！\u003C\u002Fp>\u003Cp>仔细一看冰杯上印着三个字，\u003Cstrong>慢融冰。\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>最近，不少超市、便利店甚至饮品店，都开始卖这种冰块。\u003Cstrong>相比普通冰块，它更不容易融化，一大瓶可乐都被它冰镇喝光后，它可能还剩大半块；\u003C\u002Fstrong>\u003Cstrong>但价格也是普通冰块的升级版，有的一颗就接近10块。\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>这功能、这价格，是怎么做到的？\u003C\u002Fp>\u003Cstrong>慢融的核心秘密竟然是……\u003C\u002Fstrong>\u003Cp>难道是加了“科技与狠活”？\u003C\u002Fp>\u003Cp>大部分市面上用来冰饮料的慢融冰，包装上都明明白白写着“\u003Cstrong>配料：饮用水”。\u003C\u002Fstrong>\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978971959-1-76011ba0.jpg\">\u003Cp>某品牌慢融冰丨电商截图\u003C\u002Fp>\u003Cstrong>让冰块慢慢融化的主要原因有两个，第一个原因出人意料地简单——块头够大。\u003C\u002Fstrong>\u003Cp>同样大小的一块冰，敲成碎冰后，会比完整的冰块更快融化，原因就是碎冰增加了和外界的接触面积，能从外界吸收更多热量，融化速度也就更快了。\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978972114-2-4856683d.gif\">\u003Cp>赶紧吃，不吃就化了丨giphy\u003C\u002Fp>\u003Cp>大冰块虽然更大，但相对于自身的体积来说，露在外面的面积反而更少，因此从空气和饮料中吸收热量的速度更慢。不信你把超市买来的大块慢融冰砸成小块儿，看它还融得慢不慢。\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978972291-3-07232a83.gif\">\u003Cp>慢融冰不仅能让饮料一直保持在爽口的低温，还因为融化慢不容易稀释饮料的味道，一些酒吧很爱用丨giphy\u003C\u002Fp>\u003Cstrong>另一个原因也能一眼看出来，冰块里面几乎没有气泡和裂纹。\u003C\u002Fstrong>\u003Cp>我们自己冻的冰块总是布满气泡，融化速度通常也比少气泡的透明冰更快。有实验发现，含气量为3.9%的冰块，比几乎不含气的冰块，融化快21.4%[1]，这可能与气泡、裂纹等结构缺陷影响冰块的融化过程有关。\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978972362-4-2b169a83.jpg\">\u003Cp>普通冰块和透明冰块丨TheSpace\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978972505-5-dd92bc8f.jpg\">\u003Cp>透明冰球和普通冰球丨hungryonion.org\u003C\u002Fp>\u003Cstrong>一个结实大冰块，凭什么卖那么贵？\u003C\u002Fstrong>\u003Cstrong>把冰块做大，用的时间更久、相同时间产出更少，所以成本的确会比做普通冰块高一点。\u003C\u002Fstrong>\u003Cp>普通冰块的生产be like：水倒进模具里→两个小时后拿出模具，把冰块倒进袋子里→打包、运输、上架；\u003C\u002Fp>\u003Cp>大冰块的生产be like：更多的水倒进更大的模具里→五六个小时后把冻好的大冰块拿出来→打包、运输、上架。\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978972629-6-b1baa051.jpg\">\u003Cp>冻大冰块用时长一点，同样时间产出也少一点丨Food & Wine\u003C\u002Fp>\u003Cstrong>减少冰块里的气泡，也会让成本高一些。\u003C\u002Fstrong>\u003Cp>普通冰块追求的是结冰速度快，冰会从四面八方同时形成，气泡和杂质更容易被困在里面，更容易形成含有气泡、裂纹的冰。\u003C\u002Fp>\u003Cp>少气泡的冰，则要用到特殊的技术，不同厂家采用的方法并不完全一样。\u003C\u002Fp>\u003Cp>比如\u003Cstrong>定向冻结，能让冰从一个方向慢慢形成，让气泡集中到最后冻结的位置，最后再把这部分切了扔掉（扔掉的部分，成本也算进价格里）；\u003C\u002Fstrong>\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978972689-7-c4ee614b.jpg\">\u003Cp>普通冻结方式，气泡分布在冰块内部丨liquorlabs.tv\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978972739-8-93a02bf2.jpg\">\u003Cp>定向冻结，让气泡集中到一处丨liquorlabs.tv\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978972809-9-59156325.gif\">\u003Cp>然后切掉有气泡的部分丨x\u002F@PicturesFoIder\u003C\u002Fp>\u003Cp>有些设备还会\u003Cstrong>在缓慢冻结的过程中让水持续流动或循环，让水一边排出空气、一边很慢很慢地结冰，最终变成没有气泡的冰块。\u003C\u002Fstrong>\u003C\u002Fp>\u003Cstrong>耐融的大冰块比普通小冰块贵，漂亮的耐融大冰块就更贵了。\u003C\u002Fstrong>\u003Cp>做普通冰块，用安全的饮用水就行，但想要冰块更晶莹剔透就要用到\u003Cstrong>纯度更高的水，有的生产商会用到多重过滤的饮用水，以尽可能去除大部分矿物质和可溶性物质。\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>既然定位不是普通冰块，形状上也得下功夫，做成棱角分明的方形、圆润的球形，甚至足球、钻石、卡通人物的造型，\u003Cstrong>专门的模具、切割、修整工序也都会增加成本。\u003C\u002Fstrong>\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978972844-10-1d7f49d6.jpg\">\u003Cp>卡通造型的慢融冰丨小红书\u002Fmomo\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978972901-11-a50d76d3.jpg\">\u003Cp>足球造型的慢融冰丨小红书\u002F橙子便利\u003C\u002Fp>\u003Cp>当我们只想快速给饮料降温，然后仰脖子一口喝掉时，最普通的冰块就够用了；\u003C\u002Fp>\u003Cp>想让冰慢慢融化再慢慢喝，买个十几元的大冰格自己冻，也能勉强做到慢融；\u003C\u002Fp>\u003Cp>如果你想要不紧不慢喝一杯有情调的漂亮冰饮，除非冰箱有制作慢融冰的功能，否则还真是只能在超市买到这种冰——多花钱买慢融冰在这种情况下也不算当韭菜，毕竟在享受饮品的时候，一块耐用又漂亮的冰，也是美好的体验的一部分了。\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978972937-12-9c89fb9e.jpg\">\u003Cp>有的家用冰箱也自带了慢融冰制作功能丨电商平台\u003C\u002Fp>\u003Cstrong>并不只有一种“冰”\u003C\u002Fstrong>\u003Cp>当我们有不同的需求时，冰也就有了不同的样子。\u003C\u002Fp>\u003Cp>超市海鲜柜下面那层碎冰，你可能觉得化得特别快，可对于运输海鲜来说，碎冰的包裹性、降温速度都比慢融冰更好用。\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978973022-13-6fc1b9e3.jpg\">\u003Cp>超市的冷鲜柜喜欢用碎冰丨图虫创意\u003C\u002Fp>\u003Cp>实验室里的冰有另一套要求，使用的可能是经过严格控制的冰块、冰水混合物，甚至是更低温度的冷冻介质，来保证温度的准确和稳定。至于冰块漂亮不漂亮，无人在意。\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978973067-14-b1f55d9d.jpg\">\u003Cp>实验室需要用到冰丨chemglass.com\u003C\u002Fp>\u003Cp>工业领域的用冰就更复杂了。人工降雪、混凝土降温、生物样本运输等场景，都可能需要不同形态、不同特性的冰。\u003C\u002Fp>\u003Cp>所以，下次看到一块卖10块钱的冰，先别急着觉得它是在卖天价水，它卖的可能是“两个小时都不太会变淡的冰可乐”和“两个小时的悠哉时光”。\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978973148-15-d38ae7ec.gif\">\u003Cp>图丨giphy\u003C\u002Fp>\u003Cp>参考文献\u003C\u002Fp>\u003Cp>[1] Liang Y, Song M, Shen J, et al. Experimental study on the melting characteristics modulation of cubic ice cubes with different trace air contents under natural convection condition[J]. Journal of Energy Storage, 2024, 102: 114186.\u003C\u002Fp>\u003Cp>作者：李小葵\u003C\u002Fp>\u003Cp>编辑：游识猷\u003C\u002Fp>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978973249-16-43421246.jpg\">\u003Cstrong>点个“小爱心”吧\u003C\u002Fstrong>\u003Cimg alt=\"\" src=\"https:\u002F\u002Ffoxfom.com\u002Fimages\u002Fothers\u002F20260806\u002F5-1785978973273-17-5c9a2ed3.gif\">  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