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2020-05-04View Original

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Reply #22020-05-04
"Problemas de calefaccióncion con vapor supercaliente",
Reply #32020-05-04
"¿Si si usamos vapor supercaliente a 0.3MPa, 1355℃,工况一:通过换热器加热水;工况二:直接喷射到水里加热水,与使用 t.3MPa15℃左右饱和蒸汽加热相比,有哪些优缺点。",
Reply #42020-05-05
"El inter换热器稳定,直接加水省蒸汽",
Reply #52020-05-06
"Una pertenece a la transfer换热器传质,一种属于间壁式换热。前者有传质发生,也就是有物质传递,针对这种情况可能热利用率较高设备简单。后者就属于换热器热效率不及前者。",
Reply #62020-05-08
"通过换热器加热水,过热蒸汽要先消耗显热再再消耗潜热。",
Reply #72020-05-09
"Este h最后于于 2.22-5-5-6 19:33 编辑 工况一的效果会比工况三更好过热蒸汽加热效果比比比比饱和蒸汽效果差因为蒸汽的热量主要来自于潜热过过热蒸汽的潜热比饱和蒸汽难释放 t.3MPa(表压)温度大约140℃达不到15℃间壁换热结束蒸汽冷凝水温度较高如果换热面积不够的话可以输入的蒸汽量不足难以实现预期加热效果",
Reply #82020-05-11
"Anterior虽然前期投入成本稍微大一点(换热器)但是安全高效、换热转换率高但是后者需要储罐但是是直接利用蒸汽加加热水源有点危险而且换热效率不高而且浪费热源看自身现场情况决定吧。",
Reply #92020-05-11
"¿你见过用过热蒸汽加热的吗 蒒蒸汽入水浪费热能?你见过北方烧澡堂的吗 不学知识也没见识的小屁孩",
Reply #102020-05-11
"¿为什么不用减温减压器?",
Reply #112020-05-11
"你你没见过不代表别人没见过我知识可能是没有你丰富学无境勤勉好学但是我不说别人是小屁孩闻道有先后术业有专攻口舌逞能也就只有说说罢了。",
Reply #122021-09-15
"你你没见过不代表别人没见过这种纯外行行抬杠话在专业知识论坛发出来不觉得可笑吗违背常理的东西你以为用大千世界无奇不有能拿来解释学无止境勤勉好学也不代表可以在不懂的情况下胡说八道",

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