{"id":16203,"date":"2025-11-05T08:30:27","date_gmt":"2025-11-05T08:30:27","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=16203"},"modified":"2025-11-05T08:30:29","modified_gmt":"2025-11-05T08:30:29","slug":"how-to-choose-a-jet-mill-based-on-powder-characteristics","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/ja\/how-to-choose-a-jet-mill-based-on-powder-characteristics\/","title":{"rendered":"\u7c89\u4f53\u7279\u6027\u306b\u57fa\u3065\u3044\u305f\u30b8\u30a7\u30c3\u30c8\u30df\u30eb\u306e\u9078\u3073\u65b9"},"content":{"rendered":"

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There are many types of jet mills, each with different working principles and varying effectiveness for grinding different materials. Therefore, selecting the appropriate jet mill based on the specific material is crucial. Mainstream jet mills currently on the market include fluidized bed jet mills, opposed jet mills, flat (disc) jet mills, circulating tube jet mills, and target (paddle) jet mills. Building upon these base designs, methods such as inert gas protection, cryogenic air, or liquid nitrogen freezing can be incorporated to optimize the grinding performance of the jet mill.<\/p>\n\n\n\n

\"\"
Flat Jet Mill by Epic Powder<\/figcaption><\/figure>\n\n\n\n

\u9069\u5207\u306a\u30b8\u30a7\u30c3\u30c8\u30df\u30eb\u306e\u9078\u3073\u65b9<\/h2>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

\u6d41\u52d5\u5e8a\u30b8\u30a7\u30c3\u30c8\u30df\u30eb\u306e\u6700\u5927\u306e\u6b20\u70b9\u306e\u4e00\u3064\u306f\u3001\u305d\u306e\u9ad8\u30b3\u30b9\u30c8\u3067\u3059\u3002\u3082\u3046\u4e00\u3064\u306e\u6b20\u70b9\u306f\u3001\u8d85\u97f3\u901f\u30b8\u30a7\u30c3\u30c8\u3067\u7c89\u7815\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u539f\u6599\u3092\u6d41\u52d5\u72b6\u614b\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u539f\u6599\u306f\u5341\u5206\u306a\u7c92\u5ea6\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u539f\u6599\u306e\u7c92\u5ea6\u306f\u901a\u5e3830\u30e1\u30c3\u30b7\u30e5\u4ee5\u4e0a\u304c\u6c42\u3081\u3089\u308c\u3001\u539f\u6599\u304c\u7d30\u304b\u3044\u307b\u3069\u3001\u751f\u7523\u6027\u306f\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

Epic Powder Fluidized Bed Jet Mill \u306e\u52d5\u4f5c\u539f\u7406<\/h2>\n\n\n\n

\u5b8c\u5168\u306a\u7c89\u7815\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u9ad8\u5727\u30ac\u30b9\u4f9b\u7d66\u30b7\u30b9\u30c6\u30e0\u3001\u30e1\u30a4\u30f3\u30b8\u30a7\u30c3\u30c8\u30df\u30eb\u30db\u30b9\u30c8\u3001\u30b5\u30a4\u30af\u30ed\u30f3\u30b3\u30ec\u30af\u30bf\u30fc\u3001\u96c6\u5875\u6a5f\u3001\u8a98\u5f15\u901a\u98a8\u6a5f\u3001\u304a\u3088\u3073\u5236\u5fa1\u76e4\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6ffe\u904e\u3055\u308c\u305f\u9ad8\u5727\u30ac\u30b9\u306f\u3001\u30e9\u30d0\u30eb\u30ce\u30ba\u30eb\u3092\u901a\u3057\u3066\u8d85\u97f3\u901f\u3067\u7c89\u7815\u5ba4\u306b\u6ce8\u5165\u3055\u308c\u307e\u3059\u3002\u7c89\u7815\u5f8c\u3001\u5206\u7d1a\u30b7\u30b9\u30c6\u30e0\u306e\u4f5c\u7528\u306b\u3088\u308a\u3001\u5fae\u7c92\u5b50\u3068\u7c97\u7c92\u5b50\u304c\u5206\u96e2\u3055\u308c\u307e\u3059\u3002\u30b5\u30a4\u30ba\u8981\u4ef6\u3092\u6e80\u305f\u3059\u7c92\u5b50\u306f\u4e0b\u6d41\u3067\u53ce\u96c6\u3055\u308c\u3001\u7c97\u7c92\u5b50\u306f\u7c89\u7815\u30be\u30fc\u30f3\u306b\u623b\u308a\u3001\u3055\u3089\u306a\u308b\u51e6\u7406\u304c\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

Epic Powder Fluidized Bed Jet Mill \u306e\u52d5\u4f5c\u30d1\u30e9\u30e1\u30fc\u30bf<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u88fd\u54c1\u306e\u7d30\u304b\u3055:<\/strong> \u5236\u5fa1\u7bc4\u56f2\u306f2\u00b5m\uff5e150\u00b5m\u3002\u5468\u6ce2\u6570\u5909\u63db\u306b\u3088\u308a\u7c92\u5b50\u5f84\u5206\u5e03\u3092\u76f4\u63a5\u5236\u5fa1\u53ef\u80fd\u3002D97\u22642\u00b5m\u306e\u5fae\u7d30\u7c92\u5b50\u5f84\u3092\u9ad8\u7cbe\u5ea6\u304b\u3064\u72ed\u3044\u7c92\u5ea6\u5206\u5e03\u3067\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

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\u88fd\u54c1\u306e\u54c1\u8cea:<\/strong> MQW \u30b7\u30ea\u30fc\u30ba\u30b8\u30a7\u30c3\u30c8\u30df\u30eb\u5168\u4f53\u306f\u3001\u9ad8\u5ea6\u306a\u6280\u8853\u56f3\u9762\u3068\u6b27\u7c73\u306e\u8a2d\u8a08\u30d7\u30ed\u30bb\u30b9\u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u3001\u6210\u719f\u3057\u305f\u6280\u8853\u3001\u52b9\u7387\u7684\u306a\u64cd\u4f5c\u3001\u9ad8\u3044\u5b89\u5b9a\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u52b4\u50cd\u74b0\u5883:<\/strong> \u7279\u5225\u306a\u4f5c\u696d\u5834\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002\u8ca0\u5727\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u308a\u3001\u7c89\u5875\u3084\u6c5a\u67d3\u7269\u8cea\u306e\u767a\u751f\u3092\u6291\u3048\u3066\u4f5c\u696d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

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\u5bfe\u5411\u5f0f\u30b8\u30a7\u30c3\u30c8\u30df\u30eb<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

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\"MQP06\"<\/figure>\n\n\n\n

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The disadvantage of the disc jet mill is that when grinding harder materials, the intense collision and friction with the material can damage the grinding chamber walls, causing some product contamination. Therefore, it is unsuitable for grinding high-hardness particles. Additionally, a significant portion of the energy in a flat jet mill is wasted; energy consumption increases exponentially as the product fineness decreases during grinding. Materials are typically only processed to around D50=1\u00b5m.<\/p>\n\n\n\n

A conventional disc jet mill has a disc-shaped grinding chamber. This chamber is surrounded by 6-24 high-pressure nozzles. It also includes a Venturi feeder and a product collector. Feed material is entrained by gas into the Venturi feeder. There, it is accelerated to supersonic speed. Inside the chamber, material moves in a high-speed vortex. This causes inter-particle collision and impact with the walls. Coarse particles are thrown outward for further grinding. Fine particles are carried by airflow to the collector.<\/p>\n\n\n\n

\u5faa\u74b0\u30c1\u30e5\u30fc\u30d6\u30b8\u30a7\u30c3\u30c8\u30df\u30eb<\/h2>\n\n\n\n

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\u4e0d\u6d3b\u6027\u30ac\u30b9\u4fdd\u8b77<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

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\n