Tsarin Tace don Narke Polymer tacewa
Narkar da Tsarin tacewa na polymer
Tsarin tacewa na polymer yana da mahimmanci a yawancin aikace-aikace inda ake sarrafa ko amfani da polymers, kamar a cikin samar da masana'antar polymer PET / PA / PP, pre-polymerizaton, polymerization na ƙarshe, filament yarn, polyester staple fiber spinning, BOPET / BOPP fina-finai. , ko membranes.Wannan tsarin yana taimakawa cire ƙazanta, gurɓatawa, da ɓangarorin da ke shafar danko daga narkakken polymer, yana tabbatar da inganci da daidaiton samfurin ƙarshe.
Domin inganta ingancin polymer narke da kuma tsawaita rayuwar sabis na abubuwan fakitin juzu'i, ana shigar da mai ci gaba da narkewa (CPF) akan babban bututun narkewa.Yana iya cire ƙwayoyin ƙazanta na inji tare da diamita fiye da 20-15μm a cikin narke, kuma yana da aikin homogenizing narke.Gabaɗaya tsarin tacewa ya ƙunshi ɗakuna masu tacewa guda biyu, kuma ana haɗa bawul ɗin hanyoyi uku zuwa bututun narkewa.Ana iya canza bawul ɗin hanyoyi uku lokaci-lokaci don canza amfani da ɗakunan tacewa don tabbatar da ci gaba da tacewa.Gidan gidan tacewa an jefa shi a cikin yanki ɗaya tare da bakin karfe.Tacewar babban yanki ya ƙunshi abubuwa masu tace kyandir da yawa.Kayan tace kyandir yana da goyan bayan silinda mai mahimmanci tare da ramuka, kuma Layer na waje yana sanye take da raga guda ɗaya ko Multi-Layer karfe ko faifan karfen foda ko ɗigon ƙarfe mai yawa-yadudduka & ramin filaye ko ramin ƙarfe na ƙarfe, da sauransu. a cikin nau'ikan tacewa daban-daban wanda ya dogara da buƙatun samfuran ƙarshe.
Gabaɗaya akwai nau'ikan tsarin tacewa daban-daban, irin su Tsararren ci gaba da tacewa, tsarin tacewa a tsaye.Misali, yayin aiwatar da jujjuyawar kwakwalwan kwamfuta na PET, nau'in tacewa irin na kyandir a tsaye yawanci ana samarwa, wanda ke tare da wurin tacewa na 0.5㎡ kowace ainihin kyandir.Ana amfani da jeri da yawa na 2, 3, ko 4 kyandir, daidai da wuraren tacewa na 1, 1.5, ko 2㎡, kuma madaidaicin ƙarfin tacewa shine 150, 225, 300 kg/h.Tsarin tacewa a tsaye yana da girman girman girma da aiki mai rikitarwa, amma yana da fa'idodi da yawa daga yanayin tsari: (1) Yana da babban ƙarfin thermal, ƙananan yanayin zafi na narkewa, kuma babu matattun yankuna lokacin da kayan ke gudana.(2) Tsarin jaket ɗin rufewa yana da ma'ana, kuma zafin jiki yana da daidaituwa.(3) Yana da dacewa don ɗaga maɓallin tacewa lokacin canza tacewa.
Bambancin matsin lamba kafin da bayan sabon tacewa yayi ƙasa.Yayin da lokacin amfani ke ƙaruwa, matsakaicin ramukan tacewa a hankali suna toshewa.Lokacin da bambancin matsa lamba ya kai darajar saiti, misali, kamar na guntuwar PET, gabaɗaya adadi yana kusan 5-7MPa, ɗakin tacewa dole ne a canza shi.Lokacin da aka ƙetare bambancin matsa lamba da aka yarda, za a iya murɗa ragar tacewa, girman ragar yana ƙaruwa, kuma ƙimar tacewa yana raguwa har sai matsakaicin tacewa ya tsage.Dole ne a tsaftace ainihin abin tacewa kafin sake amfani.Ana iya tantance tsayuwar tasirin ta hanyar gwajin “gwajin kumfa”, amma kuma ana iya tantance shi dangane da bambancin matsa lamba kafin da bayan sabon tacewa da aka canza.Gabaɗaya, lokacin da tace kyandir ɗin ya lalace ko kuma an tsaftace shi sau 10-20, bai kamata a ƙara amfani da shi ba.
Alal misali, ga Barmag NSF jerin tacewa, suna mai tsanani da Biphenyl tururi a cikin jaket, amma zafin jiki na zafi canja wurin ruwa kada ya wuce 319 ℃, da kuma iyakar Biphenyl tururi matsa lamba ne 0.25MPa.Matsakaicin matsi na ƙira na ɗakin tace shine 25MPa.Matsakaicin da aka yarda da matsa lamba kafin da bayan tace shine 10MPa.
Ma'aunin Fasaha
Samfura | L | B | H | H1 | H2 | FIX(H3) | Mai shiga&Outlet DN(Φ/) | Wurin Tace(m2) | Matsalolin Screw Bar (Φ/) | Matsakaicin Matsala (kg/h) | Tace Gidaje | Tace Abun | Jimlar Nauyi (kg) |
PF2T-0.5B | 900 | 1050 | 1350 | A matsayin shafin abokin ciniki | 2200 | 22 | 2 x0.5 | 65 | 40-80 | Φ158x565 | Φ35x425x4 | 660 | |
Saukewa: PF2T-1.05B | 900 | 1050 | 1350 | 2200 | 30 | 2 x1.05 | 90 | 100-180 | Φ172x600 | Φ35x425x7 | 690 | ||
Saukewa: PF2T-1.26B | 900 | 1050 | 1390 | 2240 | 30 | 2 x1.26 | 105 | 150-220 | Φ178x640 | Φ35x485x7 | 770 | ||
Saukewa: PF2T-1.8B | 950 | 1140 | 1390 | 2240 | 40 | 2 x1.8 | 120 | 220-320 | Φ235x620 | Φ35x425x12 | 980 | ||
Saukewa: PF2T-1.95B | 950 | 1140 | 1390 | 2240 | 40 | 2 x1.95 | 130 | 250-350 | Φ235x620 | Φ35x425x13 | 990 | ||
Saukewa: PF2T-2.34B | 1030 | 1200 | 1430 | 2330 | 40 | 2 x2.34 | 135 | 330-420 | Φ235x690 | Φ35x485x13 | 1290 | ||
Saukewa: PF2T-2.7B | 1150 | 1200 | 1440 | 2350 | 50 | 2 x2.7 | 150 | 400-500 | Φ260x690 | Φ35x485x15 | 1320 | ||
Saukewa: PF2T-3.5B | 1150 | 1250 | 1440 | 2350 | 50 | 2 x3.5 | 160 | 500-650 | Φ285x695 | Φ35x485x19 | 1450 | ||
Saukewa: PF2T-4.0B | 1150 | 1250 | 1500 | 2400 | 50 | 2 x4.0 | 170 | 600-750 | Φ285x735 | Φ35x525x19 | 1500 | ||
Saukewa: PF2T-4.5B | 1150 | 1250 | 1550 | 2400 | 50 | 2 x4.5 | 180 | 650-900 | Φ285x785 | Φ35x575x19 | 1550 | ||
Saukewa: PF2T-5.5B | 1200 | 1300 | 1500 | 2350 | 50 | 2 x5.5 | 190 | 800-1000 | Φ350x755 | Φ50x500x15 | 1650 |