Matsayin haɓakawa na fasahar samar da HPMC da aiwatar da hydroxypropyl methyl cellulose a China

Matsayin haɓakawa na fasahar samar da HPMC da aiwatar da hydroxypropyl methyl cellulose a China

Hydroxypropyl methyl celluloseHPMCzuwa yanzu a cikin gida samar da aka ba da fifiko ga da ruwa lokaci hanya fasahar, wannan fasaha da aka wakilta da wuxi sunadarai masana'antu bincike da kuma zane cibiyar a kasar Sin bincike sashen a cikin 1970 s, bincike nasarori a kan tushen da gabatarwa, na asali shi ne iskar gas lokaci Hanyar etherification dauki, saboda da kayan aiki ba dace da kasarmu, sa'an nan ya yi aiki fitar da ruwa lokaci hanya etherification dauki, Ya zuwa yanzu high wanka lokaci samar da makamashi tsarin etherification dauki, Ya zuwa yanzu high wanka lokaci samar da cell hanyar etherification dauki. ether masana'antun.

Domestic hydroxypropyl methyl cellulose HPMC samar kullum yana amfani da mai ladabi auduga matsayin albarkatun kasa (wasu masana'antun kuma fara kokarin yin amfani da itace ɓangaren litattafan almara), da kuma gida grinder nika ko kai tsaye amfani da mai ladabi auduga alkalization, etherification ta yin amfani da binary gauraye Organic sauran ƙarfi, dauki a tsaye reactor. Tsarin tsarkakewa yana amfani da tsari na ɗan lokaci wanda aka cire ƙawancen kwayoyin halitta a cikin reactor kuma ana tsabtace ɗanyen samfurin ta hanyar wankewa da bushewa da yawa ta hanyar gogewa da centrifuges. Gama samfurin sarrafa tare da tsaka tsaki granulation, a karkashin yanayin dumama (akwai kuma masana'anta ba tare da granulation), bushewa da murkushe al'ada hanya, mafi yawan na musamman aiki ne kawai jinkirta hydration lokaci na samfurin (da sauri narke) aiki ba tare da mildew hana da rarraba aiki, marufi amfani da manual hanya.

Hanyar lokaci na ruwa yana da abũbuwan amfãni masu zuwa: kayan aiki na kayan aiki na kayan aiki na ciki yana da ƙananan, ƙarfin ƙarfin kayan aiki yana da ƙananan, ƙananan haɗari; Bayan yin ciki a cikin lye.celluloseza a iya fadada cikakke kuma a daidaita alkalized. Lye yana da mafi kyawun kutsewa da kumburin cellulose. The etherification reactor ne kananan, guda biyu tare da uniform kumburi na alkali cellulose, don haka ingancin samfurin ne mai sauki don sarrafa, da canji mataki da danko za a iya samu mafi uniform kayayyakin, iri kuma sauki maye.

Duk da haka, wannan tsari kuma yana da lahani masu zuwa: reactor yawanci ba shi da girma sosai, iyakokin ƙididdiga suna haifar da ƙananan ƙarfin samarwa, don inganta kayan aiki, ya zama dole don ƙara yawan reactors; Kayayyakin ɗanyen da aka tsarkake da tsarkakewa suna buƙatar ƙarin kayan aiki, hadaddun aiki, ƙarfin aiki; Saboda babu maganin ƙwayar cuta da ƙwayar cuta, wanda ke haifar da kwanciyar hankali na samfurin da kuma farashin samarwa; Marufi ta hanyar hannu, ƙarfin aiki, babban farashin aiki; Matsayin atomatik na sarrafa amsa yana ƙasa da na tsarin tsarin lokaci na iskar gas, don haka daidaiton sarrafawa yana da ɗan ƙaramin ƙarfi. Idan aka kwatanta da tsarin lokaci na iskar gas, ana buƙatar tsarin dawo da ƙarfi mai rikitarwa.

Tare da inganta gida hydroxypropyl methyl celluloseHPMCfasahar samarwa, wasu masana'antu ta hanyar ci gaba da gyare-gyare masu zaman kansu, babbar hanyar ruwa ta kettle an haɓaka ta hanyar tsalle-tsalle da hanyoyi, kuma tana da nata halaye na fasaha. Anxin sunadarai yana amfani da ainihin tsarin samar da HPMC, ba wai kawai tsarin samarwa yana da ma'ana ba, sigogin sarrafa kayan aiki daidai ne kuma abin dogaro, cikakken amfani da ma'auni na kayan albarkatun ƙasa da sauran halaye, kuma ƙimar maye gurbin samfurin shine uniform, amsawar gaba ɗaya cikakke ce, bayyananniyar bayani yana da kyau, kuma a lokaci guda don tabbatar da kwanciyar hankali na ingancin samfur. HPMC samar line na wasu Enterprises da aka sarrafa kansa canji, don cimma da na'urar ta DCS aiki da kai iko bukatun, kayan ciki har da ruwa, m albarkatun kasa za a iya amfani da su daidai aunawa da kuma ƙara DCS tsarin, zafin jiki da kuma matsa lamba iko a cikin dauki tsari ne duk gane DCS atomatik iko da m saka idanu, dangane da yiwuwa, AMINCI, kwanciyar hankali da kuma aminci na samar, shi ne a fili inganta idan aka kwatanta da wanda ba kawai na gargajiya samar da yanayin inganta, amma ba kawai na gargajiya samar da yanayin inganta, amma na gargajiya ceto yanayin. yanayin aiki a kan shafin.