Ulwazi lokuhlolwa kwezikhwama zokupakisha ukudla

Izikhwama zokupakisha ukudlaingesinye sezigaba zokuhlola izinto zokupakisha ukudla, ikakhulukazi ezenziwe ngezinto zepulasitiki, njengezikhwama zokupakisha ze-polyethylene, izikhwama zokupakisha ze-polypropylene, izikhwama zokupakisha ze-polyester, izikhwama zokupakisha ze-polyamide, izikhwama zokupakisha ze-polyvinylidene chloride, izikhwama zokupakisha ze-polycarbonate, izikhwama ze-polyvinyl utshwala nezinye. izikhwama ezintsha zokupakisha izinto ze-polymer.

Kuyaziwa ukuthi ezinye izinto ezinobuthi neziyingozi zingase zikhiqizwe ngesikhathi sokukhiqizwa kanye nokucutshungulwa kwemikhiqizo yepulasitiki, ngakho-ke ukuhlolwa kwekhwalithi yezikhwama zokufaka ukudla okuhlanganisa nokuhlolwa kwenhlanzeko sekube isixhumanisi esibalulekile sokulawula ikhwalithi.

izikhwama zokupakisha ukudla11.Uhlolojikelele lokuhlola

Ngenxa yalokhoisikhwama sokupakisha ukudlaithintana ngqo nokudla esikudla nsuku zonke, indinganiso eyinhloko yokuhlolwa kwakho ukuthi kuhlanzekile.

Kubandakanya izinsalela zokuhwamuka (i-acetic acid, i-ethanol, i-n-hexane), ukusetshenziswa kwe-potassium permanganate, izinsimbi ezisindayo, nokuhlolwa kokubola kwemibala.Izinsalela zokuhwamuka zibonisa ukuthi kungenzekaizikhwama zokupakisha ukudlaizonyusa izinsalela nezinsimbi ezisindayo lapho ihlangana noviniga, iwayini, uwoyela nolunye uketshezi ngesikhathi sokusetshenziswa.Izinsalela nezinsimbi ezisindayo kuzoba nemiphumela emibi empilweni yomuntu.Ngaphezu kwalokho, izinsalela zizothinta ngqo umbala, iphunga, ukunambitheka kanye nezinye ikhwalithi yokudla.

Inspection standard forizikhwama zokupakisha ukudla: izinto zokusetshenziswa kanye nezithasiselo ezisetshenziswa ezikhwameni zizohlangabezana nezidingo zekhwalithi zikazwelonke ezifanele, futhi zizoqinisekisa ukuthi akukho ushevu noma omunye umonakalo ozobangelwa emzimbeni womuntu.

Ukuhlolwa kokuwohloka: uhlobo lokuwohloka kwemikhiqizo lungahlukaniswa lube uhlobo lwe-photodegradation, uhlobo lwe-biodegradation kanye nohlobo lokucekelwa phansi kwemvelo.Uma ukusebenza kokuwohloka kuhle, isikhwama sizophuka, sihlukanise futhi sinciphise ngokwaso ngaphansi kwesenzo esihlangene sokukhanya nama-microorganisms, futhi ekugcineni sibe imfucumfucu, ezokwamukelwa imvelo yemvelo, ukugwema ukungcola okumhlophe.

izikhwama zokupakisha ukudla2

2.Okuhlobene nokutholwa

Okokuqala, ukubekwa uphawu kwezikhwama zokupakisha kufanele kube nzima kakhulu, ikakhulukaziizikhwama zokupakisha ukudlaokudingeka zivalwe ngokuphelele.

Izinga lokuhlola leizikhwama zokupakisha ukudlaizophinde ibe ngaphansi kokuhlolwa kokubukeka: ukubukeka kweizikhwama zokupakisha ukudlaizoba sicaba, ingabi nemihuzuko, amabala, amabhamuza, amafutha aphukile kanye nemibimbi futhi isivalo sokushisa siyoba sicaba futhi singabi nasici samanga.I-membrane ngeke ibe nemifantu, ama-pores kanye nokuhlukaniswa kongqimba oluhlanganisiwe.Akukho ukungcola okufana nokungcola, izindaba zangaphandle namabala kawoyela.

Ukuhlolwa kokucaciswa: ukucaciswa kwayo, ububanzi, ubude nokujiya ukuchezuka kuzoba ngaphakathi kwebanga elishiwo.

Ukuhlolwa kwempahla ebonakalayo kanye nemishini: ikhwalithi yesikhwama yinhle.Ukuhlolwa kwezakhiwo zomzimba nezokusebenza kuhlanganisa amandla aqinile kanye nobude ngesikhathi sekhefu.Ibonisa ikhono elinwebekayo lomkhiqizo ngesikhathi sokusetshenziswa.Uma ikhono lokwelula lomkhiqizo liphansi, kulula ukuqhekeka nokulimala ngesikhathi sokusetshenziswa.

Q: Indlela yokubona ukuthiizikhwama zepulasitikiingaba yingozi futhi ingahlanzekile?

A: Ukutholwa ngokushisa izikhwama zepulasitiki:

Izikhwama zepulasitiki ezingenabuthi kulula ukuzishisa.Uma ubhekisisa kahle, uzothola ukuthi umbala welangabi uphuzi esihlokweni kanye ne-cyan engxenyeni, futhi uzowa njengekhandlela elinephunga likapharafini.

Izikhwama zepulasitiki ezinobuthi akulula ukuzishisa.Zizocinywa ngokushesha ngemuva kokushiya umthombo womlilo.Isihloko siphuzi kanti ingxenye iluhlaza.Ngemuva kokushiswa, zizobe zisesimweni sokuxubha.

izikhwama zokupakisha ukudla33.Izinto zokuhlola

Ikhwalithi yezinzwa: amabhamuza, imibimbi, imigqa yamanzi namafu, imithende, amehlo ezinhlanzi namabhulokhi aqinile, ukonakala kwendawo, ukungcola, amabhamuza, ukucinana, ukungalingani kobuso bokuphela kwefilimu, izingxenye zokuvala ukushisa

Ukuchezuka kosayizi: ubude besikhwama, ukuchezuka kobubanzi, ukuchezuka kobude, ukuvala uphawu kanye nebanga lomkhawulo wesikhwama

Izinto zokuhlola zezakhiwo zomzimba nemishini: amandla aqinile, uhlobo oluthile lokuphuka, amandla okushisa, umthwalo wokudabula i-engeli yesokudla, umthelela we-dart, amandla ekhasi, inkungu, ukudluliswa komhwamuko wamanzi

Ezinye izinto: ukuhlolwa kokusebenza kwesithiyo se-oxygen, ukuhlolwa kokumelana nokucindezela kwesikhwama, ukuhlolwa kokusebenza kokwehla kwesikhwama, ukuhlolwa kokusebenza kwenhlanzeko njll.


Isikhathi sokuthumela: Mar-17-2023