Ƙa'ida
Skid na sieve na sieve na ƙwayoyin halitta (desulfurization), wanda kuma ake kira molecular sieve sweeting skid, babbar na'ura ce a cikin tsarkake iskar gas ko yanayin iskar gas ta halitta. Sieve na ƙwayoyin halitta lu'ulu'u ne na ƙarfe alkali mai tsarin tsari da tsarin microporous iri ɗaya. Lokacin da iskar gas mai ɗauke da ruwan alama ta ratsa gadon sieve na ƙwayoyin halitta a zafin ɗaki, ruwan alama da mercaptan suna sha, don haka suna rage yawan ruwa da mercaptan a cikin iskar abinci, suna fahimtar manufar bushewa da bushewa. Tsarin adsorption na sieve na ƙwayoyin halitta ya haɗa da danshi na capillary da shawa ta jiki wanda ƙarfin van der Waals ya haifar. Daga lissafin Kelvin, za a iya gani cewa danshi na capillary yana rauni tare da ƙaruwar zafin jiki, yayin da shawa ta zahiri tsari ne na exothermic, kuma shawa ta yana rauni tare da ƙaruwar zafin jiki kuma yana ƙaruwa tare da ƙaruwar matsin lamba; saboda haka, tsarin shawa ta sieve na ƙwayoyin halitta yawanci ana yin sa ne a ƙananan zafin jiki da babban matsin lamba, yayin da farfaɗowar desorption ana yin sa ne a babban zafin jiki da ƙaramin matsin lamba. A ƙarƙashin tasirin iskar gas mai zafi, mai tsabta da ƙarancin matsin lamba, mai karɓar sieve na ƙwayoyin halitta yana sakin adsorbate a cikin micropore zuwa cikin kwararar iskar gas mai sabuntawa har sai adadin adsorbate a cikin mai karɓar ya kai matakin ƙasa sosai, kuma yana da ikon shan ruwa da mercaptan daga iskar gas mai ciyarwa, yana fahimtar tsarin sake farfaɗowa da sake amfani da sieve na ƙwayoyin halitta.
Tsarin fasaha
An nuna tsarin tafiyar da simintin ...
Ana buƙatar sake farfaɗo da sifetocin ƙwayoyin halitta bayan an sha ruwa da mercaptan. Bayan an tace ƙurar iskar gas ɗin samfurin, ana fitar da wani ɓangare na iskar gas ɗin samfurin a matsayin iskar sake farfaɗowa. Bayan an dumama iskar gas zuwa digiri 300 a cikin tanderun dumama, ana dumama hasumiyar a hankali zuwa digiri 272 a cikin ℃ ta hanyar hasumiyar desulfurization ta sieve ta kwayoyin halitta wadda ta kammala aikin sha daga ƙasa zuwa sama, ta yadda ruwa da mercaptan da ke sha a kan sieve ɗin kwayoyin halitta za a iya raba su su zama iskar sake farfaɗowa mai wadata don kammala aikin sake farfaɗowa.
Sigar Zane
Matsakaicin ƙarfin sarrafawa 2200 St.m3/h
Matsin aikin tsarin 3.5~5.0MPa.g
Matsin ƙirar tsarin 6.3MPa.g
Zafin sha 44.9℃
