【Ukuhola】Kuleli sonto, umkhuba wokusebenza jikelele kochungechunge lwezimboni ze-propylene uthuthuke kancane. Uhlangothi lokuhlinzeka luhlala lukhululekile, kuyilapho inkomba ephelele yezinga lokusebenza yemikhiqizo engezansi ikhuphukile. Ngokuhambisana nemikhawulo yenzuzo ethuthukisiwe yemikhiqizo ethile engezansi, ukwamukelwa kwezitshalo ezingezansi kwamanani e-propylene kukhuphukile, okuqinisa ukwesekwa kwesidingo se-propylene futhi kuhlinzeka ngokukhushulwa okuthile emakethe ye-propylene.
Kuleli sonto, amanani emakethe ye-propylene yasekhaya akhuphuke kakhulu ngemuva kokufika phansi, kanti ukunikezwa kwemakethe kanye nomdlalo wokufunwa yiwona oyinhloko. Intengo emaphakathi ye-propylene yamasonto onke eShandong kuleli sonto yayingu-5,738 yuan/ton, ukwehla kwenyanga nenyanga okungu-0.95%; intengo emaphakathi yamasonto onke eMpumalanga China yayingu-5,855 yuan/ton, ukwehla kwenyanga nenyanga okungu-1.01%.
Kuleli sonto, izitayela zamanani ochungechunge lwezimboni zixubene nobubanzi obulinganiselwe bokuguquguquka okuphelele. Amanani ezinto zokusetshenziswa ezinkulu abonise ukwenyuka nokwehla okuhlukile okunokuguquguquka okuncane okuphelele, okunomthelela omncane ezindlekweni ze-propylene. Intengo ye-propylene emaphakathi yehle kancane inyanga nenyanga futhi yaphinde yabuya ngemuva kokufika phansi. Amanani ezinto ezisetshenziswayo ezansi nawo abe nokwenyuka nokwehla: phakathi kwawo, intengo ye-propylene oxide yenyuka kakhulu, kanti intengo ye-acrylic acid yehla ngokuphawulekayo. Izitshalo eziningi ezansi zagcwalisa amasheya ngamanani aphansi.
Izinga lokusebenza kwemboni likhuphuka ngokulethwa okukhululekile.
Kuleli sonto, izinga lokusebenza kwe-propylene lifinyelele ku-79.57%, okuwukwenyuka kwamaphesenti angu-0.97 kusukela ngesonto eledlule. Phakathi nesonto, amayunithi e-PDH ase-Haiwei nase-Juzhengyuan, kanye neyunithi ye-MTO yase-Hengtong, anakekelwa, okwaba nokwenyuka okulinganiselwe ekuhlinzekweni kwemakethe. Imboni ye-propylene igcine isimo sokuhlinzekwa okukhululekile, kanti amanye amayunithi alungisa imithwalo yawo yokusebenza, okwaholela ekukhuphukeni okuncane kwesilinganiso sokusebenza kwemboni kuleli sonto.
Inkomba Yezinga Lokusebenza Eliphelele Eliphansi Liyakhuphuka, Isidingo Se-Propylene Siyathuthuka
Kuleli sonto, inkomba ephelele yezinga lokusebenza kwezimboni ze-propylene ezisezansi komfula ime ku-66.31%, ukwanda ngamaphesenti angu-0.45 kusukela ngesonto eledlule. Phakathi kwazo, amazinga okusebenza e-PP powder kanye ne-acrylonitrile akhuphuke kakhulu, kuyilapho lawo e-phenol-ketone kanye ne-acrylic acid ehle kakhulu. Kuleli sonto, inkomba yezinga lokusebenza esezansi komfula ikhuphuke, okwenza isidingo esiqinile se-propylene sikhuphuke kakhulu ezitshalweni ezisezansi komfula. Ngaphezu kwalokho, njengoba amanani e-propylene esezingeni eliphansi kanye nenzuzo yemikhiqizo ethile esezansi ithuthuka, intshiseko yokuthengwa kwe-propylene esezansi ikhuphuke, okuhlinzeka ngokukhushulwa okuncane kwesidingo se-propylene.
Inzuzo Yemikhiqizo Ephansi Ithuthukisa Kancane, Yandisa Ukwamukelwa Kwamanani E-Propylene
Kuleli sonto, inzuzo yemikhiqizo ye-propylene engezansi ixubene. Njengoba isikhungo sentengo ye-propylene sisezingeni eliphansi, ingcindezi yezindleko zeminye imikhiqizo engezansi yehlile. Ngokukhethekile, i-PP powder ishintshe kusukela enzuzweni kuya ekulahlekelweni kuleli sonto, kuyilapho inzuzo ye-PO (propylene oxide) ikhuphuka. Umkhawulo wokulahlekelwa kwe-n-butanol wanda, kuyilapho owe-2-ethylhexanol, i-acrylonitrile, ne-phenol-ketone wehla. Ngaphezu kwalokho, inzuzo ye-acrylic acid kanye ne-propylene-based ECH yehlile. Sekukonke, inzuzo yemikhiqizo engezansi ithuthuke kancane kodwa ngokulinganisela, okuthuthukise ukwamukelwa kwayo kwamanani e-propylene.
Isikhathi sokuthunyelwe: Novemba-14-2025