PET sake amfani da tsire-tsire suna da kayan aiki masu mahimmanci masu mahimmanci waɗanda aka haɗa ta hanyar pneumatic da tsarin isar da kayan aiki.Downtime saboda rashin tsarin tsarin watsawa mara kyau, aikace-aikacen da ba daidai ba na abubuwan da aka gyara, ko rashin kulawa bai kamata ya zama gaskiya ba.Ka nemi ƙarin.#Kyakkyawan Ayyuka
Kowane mutum ya yarda cewa samar da samfurori daga PET da aka sake yin fa'ida (rPET) abu ne mai kyau, amma samar da ingantattun sassa daga kayan albarkatun da bazuwar bazuwar, kamar kwalabe na PET bayan masu amfani, ba abu mai sauƙi bane. , extrusion, da dai sauransu) da aka yi amfani da su a cikin rPET shuke-shuke don cimma wannan ya sami kulawa mai yawa - kuma daidai. aikin shuka.
A cikin aikin sake amfani da PET, tsarin isar da sako ne ke haɗa dukkan matakan tsari tare - don haka yakamata a tsara shi musamman don wannan kayan.
Tsayawa aikin shuka ku yana farawa da ƙirar shuka mai inganci, kuma ba duk kayan aikin canja wuri ba ne aka halicce su daidaidunƙule conveyorsWaɗanda suka yi aiki da kyau akan layukan guntu a cikin shekaru goma da suka gabata ana iya rage girman su kuma su gaza da sauri akan layukan flake.Maɗaukakin huhu wanda zai iya motsa kwakwalwan kwamfuta 10,000 lb/hr na iya motsa kwakwalwan kwamfuta 4000 lb/hr kawai. Ramin gama gari. baya bin ƙa'idodin ƙira musamman don sarrafa kayan da aka sake fa'ida.
Mai ɗaukar huhu wanda zai iya motsa kwakwalwan kwamfuta 10,000 lb/hr zai iya motsa kwakwalwan kwamfuta 4000 lb/hr kawai.
Mafi mahimmancin ra'ayin da za a yi la'akari da shi shi ne cewa ƙananan ƙananan ƙwayar kwalban kwalban PET yana rage ainihin ƙarfin tsarin canja wuri idan aka kwatanta da mafi girma girma yawan kayan granular.The flakes kuma sun fi dacewa a cikin siffar. Wannan yana nufin cewa kayan aiki don sarrafawa. A zanen gado yawanci manya ne.A dunƙule conveyor ga PET kwakwalwan kwamfuta na iya zama rabin diamita da kuma amfani da kashi biyu cikin uku na motor ikon na dunƙule conveyor tsara don flakes.A pneumatic canja wurin tsarin da zai iya motsa 6000 lb/hr guntu ta 3 inci. .Pipe yana buƙatar zama 31/2 inci. kashi. Za'a iya amfani da ma'aunin gas zuwa 15: 1 don kwakwalwan kwamfuta, amma yana da kyau a yi amfani da tsarin flake tare da matsakaicin rabo na 5: 1.
Za ku iya amfani da wannan isar da saurin ɗaukar iska don flakes don ɗaukar nau'ikan nau'ikan nau'ikan iri ɗaya? A'a, yana da ƙasa kaɗan don samun motsi mara kyau. mazugi don flakes.Ya danganta da girman girman kwandon ajiya, yana iya zama dole don kunna silo don ƙyale flakes ya gudana.Mafi yawan waɗannan "dokokin" an haɓaka su ta hanyar gwaji da kuskure, don haka dogara ga injiniyoyi tare da tsarin tsarawa na musamman. don rPET flakes.
Wasu glidants na gargajiya don babban daskararrun ba su isa ga allunan kwalabe ba. Silo kanti da aka nuna a nan yana taimakawa ta hanyar dunƙule mai karkata gadoji kuma yana fitar da ɓangarorin cikin makullin iska mai jujjuya don ingantaccen abinci mai dorewa cikin tsarin isar da iska.
Kyakkyawan tsarin tsarin isarwa baya ba da garantin amincin tsarin.Don cimma ingantaccen aiki, abubuwan da ke cikin tsarin sufuri dole ne a tsara su musamman don flakes na rPET.
Rotary bawuloli cewa ciyar da flakes a cikin wani matsa lamba bayarwa tsarin ko wani bangare na tsari dole ne ya zama nauyi-taƙawa jure shekaru da zagi daga m flakes da duk sauran gurɓata da ke wucewa ta cikin su.Nauyi-taƙawa simintin bakin karfe gidaje da rotors shakka kudin. fiye da ƙirar ƙarfe na sirara, amma ƙarin farashi yana daidaitawa ta hanyar rage lokacin raguwa da rage farashin maye kayan masarufi.
Filayen PET da aka sake yin fa'ida sun sha bamban da flakes na PET a cikin sifar barbashi ko yawa.
Rotors a cikin bawul ɗin rotary da aka tsara don lamella ya kamata su sami rotor mai siffar V da "garma" a cikin mashigar don rage shredding da clogging. Ana amfani da shawarwari masu sauƙi a wasu lokuta don shawo kan al'amurran da suka shafi shredding, amma waɗannan suna buƙatar kulawa akai-akai kuma suna gabatar da ƙananan guntun ƙarfe a cikin. tsarin da zai iya haifar da matsaloli a ƙasa.
Saboda da abrasive yanayin flakes, gwiwar hannu a cikin pneumatic isar da tsarin ne na kowa problem.The sheet sufuri tsarin yana da in mun gwada da high gudun, da takardar zamiya tare da m surface na gwiwar hannu zai wuce ta wani sa 10 bakin karfe tube.Various. masu samar da kayayyaki suna ba da ƙwanƙwaran gwiwar hannu na musamman waɗanda ke rage wannan matsala, har ma da ƴan kwangilar injiniyoyi za su iya ƙirƙira su.
Sawa yana faruwa a lanƙwasa dogon radius na yau da kullun yayin da daskararrun daskararru suna zamewa tare da saman waje a babban saurin.
Haɓaka da aiwatar da tsarin kulawa don tsarin isar da shuka shine mataki na ƙarshe, saboda akwai sassa masu motsi da yawa waɗanda ke yin hulɗa kai tsaye tare da flakes da gurɓatacce.
Wasu rotary airlocks suna da hatimin shaft wanda ake buƙatar dagewa akai-akai don kauce wa leaks.Nemi bawuloli tare da labyrinth shaft seals da outboard bearings wanda baya buƙatar kulawa na yau da kullum.Lokacin da ake amfani da waɗannan bawuloli a cikin aikace-aikacen takarda, sau da yawa ya zama dole don tsaftace shaft. hatimi tare da iska mai tsabta na kayan aiki. Tabbatar cewa an saita matsi mai hatimi mai tsabta daidai (yawanci game da 5 psig sama da matsakaicin matsakaicin isarwa) kuma cewa iska tana gudana.
Rotary bawul rotors sawa zai iya haifar da wuce kima yayyo a cikin m matsa lamba isar da tsarin.Wannan yayyo yana rage adadin isar da iskar a cikin bututu, game da shi rage gaba ɗaya iya aiki na system.It kuma iya haifar da bridging al'amurran da suka shafi tare da hopper sama Rotary airlock, don haka duba rata tsakanin tip na rotor da gidaje akai-akai.
Saboda nauyin ƙura mai yawa, masu tace iska za su iya toshe tsire-tsire na rPET da sauri kafin su sake fitar da iskar da ke cikin sararin samaniya. Tabbatar cewa ma'aunin matsin lamba yana aiki yadda ya kamata kuma tabbatar da cewa mai aiki yana duba shi akai-akai. gada mashigar mai tarawa, amma babban matakin watsawa a cikin mazugi na fitarwa zai iya taimakawa wajen gano waɗannan toshewar kafin su haifar da manyan matsaloli. Tabbatar cewa a kai a kai share ƙurar da ke cikin jakar.
Wannan labarin ba zai iya rufe duk ka'idodin yatsan hannu ba don ingantaccen ƙira da kiyaye tsarin canja wuri a cikin tsire-tsire na rPET, amma da fatan kun fahimci cewa akwai abubuwa da yawa da za a yi la'akari da su kuma babu wani abin da zai maye gurbin gwaninta. sun yi amfani da flakes na rPET a baya. Waɗannan dillalan sun wuce duk gwaji da kuskure, don haka ba lallai ne ku shiga ta su ba.
Game da Mawallafin: Joseph Lutz shi ne Daraktan Talla da Talla na Pelletron Corp. Yana da shekaru 15 na gwaninta na fasaha a cikin haɓaka hanyoyin sarrafa kayan aikin filastik. Aikinsa a Pelletron ya fara ne a R & D, inda ya koyi abubuwan da ke tattare da pneumatics a cikin gwajin lab.Lutz ya ba da umarni da yawa tsarin isar da iska a duk duniya kuma an ba shi sabbin samfuran samfura uku.
Sabuwar fasaha, wacce za ta fara farawa a NPE a wata mai zuwa, tayi kashedin lokacin da ake buƙatar kiyaye rigakafi kafin gazawar kayan aiki ta rushe samarwa.
Idan aka kwatanta da farashin siyan guduro mai launin fari ko shigar da babban mahaɗin tsakiya mai ƙarfi don haɗa guduro da masterbatch, canza launi akan na'ura na iya samar da fa'idodin farashi mai mahimmanci, gami da rage farashin kayan kayan abu da haɓaka sassaucin tsari.
Don tsarin isar da iska don sarrafa robobi, ba koyaushe ake buƙata hanyoyin magance foda na yau da kullun ba.Magungunan da aka riga aka tsara na iya zama cikakkiyar zaɓi don foda da daskararru mai yawa a cikin masana'antu da yawa.
Lokacin aikawa: Yuli-25-2022
