labarai

A cikin 'yan shekarun nan, kamar yadda fasaha balagagge da kuma ci gaba da inganta kasuwar kasafi, petrochemical masana'antu, da olefin gabatar bambance-bambancen ci gaban Trend na albarkatun kasa, musamman a karkashin bango na biyu carbon, babban Bob propane labarai alaka, shi ne ikon Leon ta sha'awar, da kuma Olefin mai na gargajiya na gargajiya zuwa olefin / methanol zuwa olefins, tsarin tsarin dehydrogenation na propylene a cikin yawan amfanin ƙasa ya kasance mai girma. -product hydrogen, guda tushen albarkatun kasa ne kawai za a iya kiyaye polypropylene samar da general kayan, tare da isowa da wani sabon zagaye na fadada sake zagayowar na polypropylene sa ƙara nuna rashin daidaito tsarin tsakanin wadata da bukatar, da ci gaban high-karshen polypropylene zama Babban hanyoyin gasar bambance-bambancen, a cikin wannan zagaye na gasar, gasar fasaha ta propane dehydrogenation PP ta fara faɗuwa, kodayake akwai wani ɓangare na kasuwancin Duk da haka, rashin ethylene ya zama ɗan gajeren tsarin tsarin PDH.A halin da ake ciki, kasar Sin ba ta da albarkatun da suka dace kuma karfin samar da makamashin makamashi mai haske bai isa ba.Yawancin albarkatun albarkatun kasa suna buƙatar shigo da su, don haka kwanciyar hankali na samar da kayan aiki ya zama mabuɗin don haɓaka tsarin samar da makamashi mai haske Daga 2014 zuwa 2018, aikin na yau da kullun shine propane dehydrogenation.Duk da haka, tun daga 2018, shaharar haske na fashewar hydrocarbon ya tashi da sauri saboda ƙarfinsa da ductility.An sanya wasu ayyukan gwaji a cikin 2020.

Yawan amfanin ethylene na ethane, propane da butane fashe yana da yawa.Don cikakkun masana'antun amfani da hydrocarbon mai haske, yawan amfanin ƙasa na ethylene yana da tasiri a zahiri a kan samar da sinadarai na ƙasa, kuma zaɓin hanyar da ke ƙasa yana da mafi girman sassauci da sarari zaɓi.Tsarin tare da yawan amfanin ƙasa na propylene shine PDH MTP C/MTO, amma samfurin da aka yi niyya na fashewar hydrocarbon mai haske yana da yawan amfanin ƙasa kuma yana iya samar da hydrogen mai tsabta a matsayin samfurin, wanda aka dauke shi a matsayin daya daga cikin muhimman hanyoyin da za a rage. dogaro da man fetur da amfani da makamashi na masana'antu.Sabili da haka, ci gaban ci gaban ayyukan fashewar hasken lantarki na cikin gida yana da sauri sosai, kuma sabbin 'yan wasa da yawa waɗanda ba su da ikon sarrafa ɗanyen mai suma sun shiga Tare da ci gaba da haɓakar albarkatun haske, hanyoyin samun propylene suna ƙaruwa.Bayan dehydrogenation na propane, ayyukan fashewar hydrocarbon mai haske suna karuwa a hankali.Propane ba kawai kayan da ake amfani da su ba ne don samar da ruwa don samar da propylene, har ma da babban kayan da ake amfani da shi don fashewar hydrocarbon mai haske don samar da propylene.Menene bambanci a tsarin samfur tsakanin propane dehydrogenation da haske hydrocarbon fatattaka?Wane tsari ne zai fi dacewa a wuraren samar da kayayyaki a nan gaba?Tashi propane a matsayin babban fasahar samar da albarkatun kasa Propylene karanci a cikin kasarmu, mataimakiyar gargajiya ta kewayon samar da propylene ba zai iya biyan buƙatun abubuwan da ake buƙata na gida ba, a lokaci guda, Gabas ta Tsakiya da Arewacin Amurka ci gaban shale gas yana haifar da samar da propane. karuwar fitar da kayayyaki zuwa kasashen waje da yawa, zuwa hauhawar fasahar propane na cikin gida na samar da isassun albarkatun kasa don tallafawa Tsarin amincewa mai sauki.Ayyukan dehydrogenation na Propane da gaurayawan ayyukan dehydrogenation na alkane suna karuwa a kasar Sin.Tsarin samar da olefin ta hanyar fasa ruwa mai haske yayin da albarkatun kasa ke karuwa nau'in butane guda daya ko biyu) yayin da danyen kayan da ake fatattakar masana'antun olefin ya karu a hankali, kamar su Boralidek Basle Petrochemical Xinpu chemical Huatai Shengfu da sauran nau'ikan tsari guda biyu na Propane. dehydrogenation, a matsayin sabon tsari don samar da propylene daga propane a matsayin danyen abu guda ɗaya, yana samar da ƙarin propylene fiye da haske na hydrocarbon tururi pyrolysis, amma akwai kuma matsalolin ƙananan juzu'i guda ɗaya da kuma buƙatu masu girma ga albarkatun kasa.Yawan amfanin gonar propylene na shuka zai iya kaiwa fiye da 80%, wanda zai iya kawo babban adadin albarkatun kasa don propylene downstream Light hydrocarbon fatattaka ba zai iya kawai inganta propylene / ethylene yawan amfanin ƙasa na naúrar, amma kuma yin cikakken amfani da. albarkatun matatun mai, wanda shine jagorar ci gaba na abubuwan da ke tattare da albarkatun kasa na sashin fashewa.A karkashin yanayin cikakken propane wurare dabam dabam, diene yawan amfanin ƙasa na haske hydrocarbon fasa tsari zai iya kai fiye da 60%, kuma kayayyakin da aka samar sun fi yawa fiye da propane dehydrogenation.

Propane dehydrogenation alternaria alternata propylene ta-samfurin hydrogen gas, idan ta-samfurin hydrogen ba tare da tallace-tallace tashoshi, iya kawai ƙone a matsayin man fetur gas, zai kai tsaye shafi tattalin arzikin propane dehydrogenation, idan aka kwatanta da haske hydrocarbon fatattaka, propane dehydrogenation (hydrogen ƙone) da naúrar kudin olefin ne in mun gwada da mafi girma daga propane dehydrogenation tsari, babban kayayyakin na haske hydrocarbon fatattaka ga ethylene propylene, ta-samfurin hydrogen man gas cakuda carbon hudu Mixed carbon biyar, iya warware propane dehydrogenation kanta ba tare da ethylene da butene nadama, pyrolysis na samfurori na iya sake gane darajar nasu, a lokaci guda yana da amfani da ƙananan farashi, zai iya kasancewa a cikin kasuwa na copolymerization ba tare da kayyade ba da kuma tasiri na copolymerization, mafi yawan tattalin arziki a cikin 'yan shekarun nan Masana'antar makamashi ta hydrogen tana da karfi mai karfi na siyasa. .A lokaci guda kuma, tare da karuwar yawan yanayin aikace-aikacen tashoshi, bangaren buƙatun kasuwa kuma sannu a hankali ya haɓaka masana'antar makamashin hydrogen zuwa wani ɗan lokaci, kuma galibin kamfanonin samar da ruwa na propane na cikin gida sun fara mai da hankali ga ko ma shimfidawa. Tashoshin tallace-tallace na kansu da tsare-tsaren amfani don hydrogen ta samfur A wannan yanayin, propane dehydrogenation, ko ana siyar da shi azaman hydrogen na masana'antu ko azaman hydrogen mai tsada mai tsada ko ma babban hydrogen mai tsabta, zai samar da dawo da tattalin arziƙi kuma don haka haɓaka ribar propane dehydrogenation kamfanoni. .Ta hanyar kwatanta, fasahar dehydrogenation propane tana da ɗan gajeren tsari da ƙarancin amfani Babban yawan amfanin ƙasa da ƙarancin saka hannun jari na saitin na'urori guda ɗaya.Idan ana iya haɗa shi tare da na'urorin tacewa da ke kewaye don samar da hydrogen don tacewa da haɓaka fa'idodi ta hanyar samar da albarkatun ƙasa na juna, fa'idar fashewar hydrocarbon mai haske ya ta'allaka ne a cikin babban sikelin saka hannun jari, samfuran iri-iri da ƙarfin ƙarfi don tsayayya da haɗarin kasuwa.Tattalin arzikin biyu ya dogara ne akan farashin ethylene da Propylene: Hanyar dehydrogenation na propane ya fi tattalin arziki lokacin da farashin ethylene da propylene ke kusa, kuma hanyar fashewar hydrocarbon mai haske ya fi tattalin arziki lokacin da farashin ethylene ya fi propylene girma.

Propane dehydrogenation albarkatun kasa guda, kawai ta amfani da propane a matsayin albarkatun kasa, samfurin kawai propylene da hydrogen ta-samfurin, low carbon kare muhalli ba kawai, har yanzu iya rage kasada na wasu dalilai, shi ne har yanzu sabon yanzu a cikin sha'anin ta babban fasaha zabi. Mafi rinjaye na samar da na'urar PDH na kasar Sin wanda ya dace da na'urar da ke ƙasa, yanayin haɗin gwiwar masana'antu a fili, amma a cikin dogon lokaci, sararin samaniyar masana'antun masana'antu na kasa ya ragu, matsin lamba na kasuwa yana da girma, a cikin gida na samar da polypropylene ya ninka a cikin gasa mai tsanani na kasuwa. Gasar aikin ethylene propane dehydrogenation ya cancanci a sake kimantawa.

Idan aka kwatanta da dehydrogenation na propane, tsarin fashewar hydrocarbon mai haske yana da ƙarin bambance-bambancen mafita na samfur da tasirin kasuwa mai ƙarfi.A kwatankwacin magana, tattalin arzikin tsarin dehydrogenation na propane ya dogara ne akan bambancin farashin da ke tsakanin propylene da propane.Lokacin da farashin kasuwa na propylene ya canza kuma ya ragu, tattalin arzikin tsarin dehydrogenation na propane zai ragu sosai.

Don masana'antar polypropylene, tushen tushen propane yana da ɗan ƙaramin rabo, kodayake ya karu daga 7% a cikin 2015 zuwa 15% a cikin 2022, har yanzu bai mamaye babban kasuwa ba kuma yana da rauni mai rauni don farashin samfuran polypropylene.Duk da haka, tare da ci gaba da bunkasa makamashi mai sauƙi da albarkatun sinadarai a kasar Sin, yanayin sauye-sauye na tushen danyen mai na polypropylene yana juyawa, kuma tare da zuwan zamanin "propane", ba zai yi nisa ba kafin naphtha, propane da kwal. za a raba kashi uku na duniya.