2、间接式燃气热风炉

主要适用于被干燥物料不允许被污染，或应用于温度较低的热敏性物料干燥。如：奶粉、制药、合成树脂、精细化工等。此种加热装置，即是将蒸气、导热油、烟道气等做载体，通过多种形式的热交换器来加热空气。间接式热风炉的最本质问题就是热交换。热交换面积越大，热转换率越高，热风炉的节能效果越好，炉体及换热器的寿命越长。反之，热交换面积的大小也可以从烟气温度上加以识别。烟温越低，热转换率越高，热交换面积就越大。

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A week later, she tore down the face of the gauze suddenly screams, frighten sincerity busy ran out from the kitchen: " how? " " Pointing mirror hand shake, Prudential see " face also surprised with his mouth wide open, " face thick black skin all fade, face becomes smooth as. " You pinch me, I is it right? In the dream? " Prudential gently pinch pinch " of the face: " silly girl, not dreaming! Maybe you are too good, God put beautiful skin you. " Will be sincere in her arms ": " I look good! Find a beautiful pig! "

Look in the mirror, embracing, phoenix feather finally stopped sneezing, use can kill fox eyes looked at Sue made: " I know why you let me go. I scolded you, praise! Hum! " Shu Han mask mouth laughs: " be friend husband accused but not comfortable! " Feng Yu cbed his lip, " you and the girl what roles? " "Tut-tut, really talk! " Shu Han gently smiled : "it is a conventional story, I was trying to avoid lightning wrath when hiding in the city at the Queen 's under the bed. When the girl but the queen of queen, but that the rough. Dying to hope that the afterlife can get a true man, at the cost of talent exchange to beauty. I was her grace, reserved for her previous beauty, when she found someone to her heart. " " Her and who does the exchange? " " You know the land the judge? " Shu Han waved his hand, " from his take of human skin is also. " Feng Yu was amazed: " who is? " Shu Han hee hee laugh: " of course is a beauty! "
燃煤热风炉工作原理/全自动燃煤热风炉/燃煤热风炉厂家/小型家用燃煤