Ọkwa mmepe nke teknụzụ mmepụta HPMC na usoro hydroxypropyl methyl cellulose na China
Hydroxypropyl methyl celluloseHPMCka a na-ebute mmepụta ụlọ ugbu a na teknụzụ usoro mmiri mmiri, teknụzụ a na-anọchi anya wuxi chemical ụlọ ọrụ nyocha na ụlọ ọrụ nyocha na China nyocha na 1970 s, rụzuru nyocha na ndabere nke nkwalite, ihe mbụ bụ gas na-eme usoro etherification mmeghachi omume, n'ihi na akụrụngwa adịghị eme mgbanwe na mba anyị, wee rụọ ọrụ usoro mmiri mmiri usoro usoro etherification mmeghachi omume, Ya mere, ruo ugbu a elu bath mmepụta usoro mmiri mmiri usoro etherification usoro, ruo ugbu a elu bath usoro usoro etherification mmeghachi omume, ruo ugbu a elu bath mmepụta usoro mmiri mmiri usoro etherification usoro. ndị na-emepụta ether.
Domestic hydroxypropyl methyl cellulose HPMC mmepụta n'ozuzu na-eji nụchara anụcha owu dị ka akụrụngwa (ụfọdụ ndị na-emepụta malitekwara na-agbalị iji osisi pulp), na anụ ụlọ grinder egweri ma ọ bụ ozugbo na-eji nụchara anụcha owu alkalization, etherification iji ọnụọgụ abụọ weere organic mgbaze, mmeghachi omume na vetikal reactor. Usoro nchacha ahụ na-eji usoro nkwụsịtụ nke a na-ewepụ ihe mgbaze organic na reactor na ngwaahịa crude na-asachapụ site na ọtụtụ ịsacha na mmiri mmiri site na scrubbers na centrifuges. Emechara nhazi ngwaahịa na granulation na-adịte aka, n'okpuru ọnọdụ kpo oku (enwekwara onye na-emepụta ihe na-enweghị granulation), ihicha na ikpochapụ usoro omenala, ọtụtụ n'ime nhazi pụrụ iche bụ naanị igbu oge hydration oge nke ngwaahịa (ngwa ngwa igbari) nhazi na-enweghị mildew mgbochi na nkesa nhazi, nkwakọ ngwaahịa na-eji ntuziaka ụzọ.
Usoro usoro mmiri mmiri nwere uru ndị a: usoro mmeghachi omume akụrụngwa n'ime nrụgide dị obere, ikike nrụgide akụrụngwa chọrọ dị ala, obere ihe egwu; Mgbe ime na lye,cellulosenwere ike gbasaa n'ụzọ zuru ezu na ọbụna alkalized. Lye nwere mma infiltration na ọzịza nke cellulose. The etherification reactor bụ obere, tinyere na edo ọzịza nke alkali cellulose, otú àgwà nke ngwaahịa dị mfe ịchịkwa, na nnọchi ogo na viscosity nwere ike nweta ọzọ edo ngwaahịa, iche na-adịkwa mfe dochie.
Otú ọ dị, usoro a nwekwara ihe ndị na-adịghị mma: onye na-emepụta ihe na-emekarị ka ọ ghara ịdị ukwuu, njedebe ọnụ ọgụgụ na-eduga na obere mmepụta ihe, iji mee ka mmepụta ahụ dịkwuo mma, ọ dị mkpa ịbawanye ọnụ ọgụgụ nke reactors; Ngwaahịa crude a nụchara anụcha ma dị ọcha chọrọ akụrụngwa ọzọ, arụ ọrụ siri ike, ike ọrụ; N'ihi na ọ dịghị mgbochi mildew na ngwakọta ọgwụgwọ, na-akpata nkwụsi ike nke ngwaahịa na mmepụta ụgwọ na-emetụta; Nkwakọ ngwaahịa site n'ụzọ ntuziaka, ike ọrụ, ọnụ ahịa ọrụ dị elu; Ogo akpaaka nke njikwa mmeghachi omume dị ala karịa nke usoro gas gas, ya mere njikwa njikwa dị ntakịrị. E jiri ya tụnyere usoro nke gas, usoro mgbake mgbaze dị mgbagwoju anya chọrọ.
Site na mmụba nke ụlọ hydroxypropyl methyl celluloseHPMCteknụzụ mmepụta, ụfọdụ ụlọ ọrụ site na mmepụta ihe ọhụrụ nọọrọ onwe ha na-aga n'ihu, usoro nnukwu mmiri mmiri kettle ka emepụtara site na ọwụli na ụzọ, ma nwee njirimara teknụzụ nke ya. Anxin kemịkalụ na-eji mbụ HPMC mmepụta usoro, ọ bụghị nanị na mmepụta usoro bụ ezi uche, ọrụ akara parameters bụ ezi na a pụrụ ịdabere na, na zuru na ezi uche ojiji nke akụrụngwa na ndị ọzọ e ji mara, na ngwaahịa nnọchi ogo bụ edo, mmeghachi omume bụ kpamkpam nke ọma, ngwọta nghọta dị mma, na n'otu oge ahụ iji hụ na nkwụsi ike nke ngwaahịa àgwà. HPMC mmepụta ahịrị nke ụfọdụ ụlọ ọrụ e akpaghị aka mgbanwe, iji nweta ngwaọrụ si DCS automation akara chọrọ, ihe gụnyere mmiri mmiri, siri ike akụrụngwa nwere ike ji mee ihe n'ụzọ ziri ezi tụọ na tinye DCS usoro, okpomọkụ na nrụgide njikwa na mmeghachi omume usoro na-niile ghọtara DCS akpaka akara na n'ime obodo nlekota oru, N'usoro nke feasibility, ntụkwasị obi, kwụsie ike na nchekwa nke mmepụta, ọ bụ doro anya na-mma tụnyere nke ọ bụghị nanị na-azọpụta ọrụ mmadụ mode, ma e jiri ya tụnyere nke omenala na-azọpụta ndụ mode, gburugburu ebe ọrụ na saịtị.
Oge nzipu: Eprel-25-2024