中文字幕在线免费看,无码人妻精品一区二区蜜桃在线看,免费A级毛片在线播放不收费,在线观看AV网站

hotline:13222928912
  • 中文  English
  • Website:
    Honesty is the basis: the market is changing and the integrity is always the same...
    13222928912
    Main Classification and Maintenance Tips of Evaporator

          What is evaporator? In fact, it is one of important units in refrigeration system, which urges hypothermal condensed fluid to conduct heat exchange with outside air so as to reach the goals of heat absorption through vaporization and refrigeration. Briefly speaking, the daily chemical equipment is based on heating to remove the nonvolatile solutes in the solution. Therefore, the evaporator is widely applied to chemical industry, food industry, pharmaceutical industry and others. Take the sea water desalination for example. Relying on special heating method, the salinity will be removed from the sea water. Thus, the desalinated sea water can be drunk by human directly.
           Wide application, just as I have mentioned, decides various types. According to the vapor reutilization condition, it has such four types as single-effect evaporator, double-effect evaporator, glass tank vacuum emulsifier and four-effect evaporator. The single-effect evaporator means the produced secondary steam will not be used again. Double-effect evaporator, generally speaking, often adopts vacuum evaporation and is much more energy-saving than single-effect one. Speaking of the triple-effect evaporator, it adopts tubular circulating heating method, which enjoys the advantages of short physical heating time, fast evaporation velocity and large concentration proportion. Four-effect evaporator is equipped with much more complicated internal composition, which includes four evaporators and separators, condenser, hot-press pump, sterilizer, tubular holder, delivery pump, operating deck, control cabinet, valve and pipeline system. Undoubtedly, such an evaporator enjoys the best evaporation performance.
           In accordance with the evaporation means, there is natural evaporation and explosive evaporation. In addition, it has ordinary-pressure evaporator, pressure-boost evaporation and alcohol recovery tower on the basis of operating pressure. In the current market, we also can see other evaporators, such as central circulation tubular evaporator, basket evaporator, Levin evaporator, film-rising evaporator, film-falling evaporator or scraper evaporator and so on. They enjoy their own application fields.
           When it comes to the maintenance, it plays a key role in retaining high evaporation efficiency and prolonging the service life. Here are some useful maintenance tips. In the very first place, the leakage detecting should be done regularly, which is one of popular fault phenomena. Frosting condition also should be taken into full consideration. If the frost layer is too thick, the defrosting work should be put into effect in time, or the blockage problem will be caused. Besides, the reservoir and pressure of evaporator must be checked very carefully if it does not start up for a very long time. Meanwhile, the evaporator used in saline pond needs to be washed by fresh water.


    久久人妻少妇嫩草av蜜桃麻豆 | 欧美精品人妻一区二区三区大一片 | 亚洲午夜成人一区二区三区软件 | 强伦人妻一区二区三区 | 国语A片一区二区三区裸体 九九精品一区二区三区不卡 | 精品人妻少妇一级毛片免费 | 亚洲无码精品一区二区 | 亚洲国产精品一区二区久久阿宾 | 乱论文学激情文学中文字幕 | 骑虎精品富二代资源站在线 | 久久久久成人A片 特毛片免费 | 爆操骚货白浆 国产一区 | 少妇被又大又粗又爽毛片久久黑人 | 中文字幕一区二区三区乱码视频 | 久久婷婷五月综合色国产婷婷一 | 爆乳熟妇无码一区爆乳熟妇 | 国产福利在线观看 | 四季岛国AV无码一区 | 久久久久亚洲AV无码蜜臀 | 1级毛片黄色祼体片 | 朝桐光AV一区二区三区 | 制服丝袜中文字幕强奸乱伦 | 国产自精品在线观看 | 亚洲毛多水多日本A片无码 欧美激情婬妇BBBwww | 亚洲综合在线视频 | 国际精品iGAO为爱寻找激情视频 | 免费观看的黄色视频网站 | 最好看的2019中文大全在线观看 | 黄色免费视频播放 | 亚洲国产精品无码久久久久久久久久久 | 9l视频白拍9色9l视频 | 黄色日本视频在线播放 | 国产高潮乱子伦一区二区三区 | 先锋成人AV色AV亚洲 | 人妻少妇无码一区二区性色av | 亚洲精品污一区二区三区 | 日韩精品1234区 | 91丨国产丨白浆秘 喷淫网站 | 99在线观看精品视频不卡蜜臀 | 狠狠色噜噜狠狠狠7777米奇网 | 欧美成人精品一级A片青椒视频 |