Mokhoa oa ho laola masala a solvent ka har'a maemo a foil a aluminium a koahetsoeng ka lijo?

Foil ea Aluminium e koahetsoeng ka Lijo, ka lebaka la melemo ea eona linthong tse thibelang, ho tiisa mocheso, le polokeho, e sebedisoa haholo ho pakang dijo. Masalla a eona a qhibilihang haholo-holo a tsoa lihlapolling tsa tlhaho (joalo ka ethyl acetate, methyl ethyl ketone, lino tse tahang, Litoto tsa benzene, etc.) se sebedisoang ka ho koaela, khatiso, le mekhoa ea lamination. Ho tlōla meeli ho ka silafatsa lijo, ama boleng ba kutlo, esita le ho lematsa bophelo bo botle. Ho laola masala a solvent ho hloka taolo e koetsoeng ka har'a ketane eohle-ho tloha mohloling oa foromo, taolo ya tshebetso, le tsamaiso ea tikoloho ho ea ho netefatso ea liteko-ho netefatsa hore ho latela litekanyetso tse kang GB 31604.60-2024 (Kakaretso e setseng ≤5.0 mg/m², letoto la benzene ha le bonahale).

I. Mehloli le Likotsi tsa Masala a Solvent

1. Mehloli ea Pele
   • Mokhoa oa ho roala / oa ho hatisa:Diluent solvents (Ethyl acetate, ethanol, methyl ethyl ketone, Toluene, etc.) ho tloha ho litlolo tse thehiloeng ho solvent le enke, e sa phethahalang ka ho hlaka, lula ka lera la ho roala / enke.
   • Mokhoa oa Lamination:Li-solvents tse tsoang ho li-adhesives tse omeletseng, le solvents ka lekhetlo la bobeli hlahiswa nakong lamination.
   • Thepa le Tikoloho:Litšila tse teng linthong tse tala / tse thusang, tšilafalo ea solvent moeeng oa workshop, le ho ts'oaroa ha mokelikeli ka lebaka la ho omisa ho sa lekaneng.
2. Likotsi Tsa Sehlooho
   • Likotsi Tsa Tšireletseho ea Lijo:Letoto la Benzene (benzene, Toluene, xylene) li na le kankere le neurotoxic; li-ester/ketone tse setseng li ka fallela lijong, ho baka monko o monate le ho senya.
   • Likotsi tsa ho Ikamahanya le Taolo:Ho se ikamahanye le litekanyetso tse kang GB 31604.60-2024, GB 9685-2016, se lebisang ho hopoleng sehlahiswa le dikotlo.
   • Likotsi tsa Tlhahiso le Boleng:Masala a feteletseng a ka baka sekhomaretsi se fosahetseng, litiiso tse fokolang tsa mocheso, le monko oa lihlahisoa, e amang tlhodisano ya mmaraka.

II. Taolo ea Mohloli: Ho Felisa Likotsi Tsa Masala ho Foromo le Lisebelisoa

1. Khetho ea Solvent: Masala a Tlase, Ho feto-fetoha ho phahameng, Bohloeki bo phahameng
   • Etelletsa pele-bolileng bo tlase, litlhapi tse nang le maemo a phahameng a feto-fetohang:Khetha Ethyl acetate (b.p. 77°C), ethanol (78°C), joala ea isopropyl (82°C)sebakeng se phahameng sa ho belisa (E.g., cyclohexanone, Toluene) le metsoako e phahameng ea kamano ho fokotsa kotsi ea masala.
   • Laola ka tieo bohloeki ba solvent:Sebelisa lihlahisoa tsa elektronike tsa boemo ba lijo. Ethyl acetate purity ≥99.9%, metsi <0.05%, litšila tsa joala <1000 PPM. Thibela letoto la benzene le litšila tse phahameng tse belang.
   • Thibela/ Thibela dihlapolli tse kotsi haholo:Thibela haholo benzene, Toluene, xylene, etc. Thibela boemo bo belang bo phahameng, ho thata ho volatilize solvents joalo ka methyl ethyl ketone, cyclohexanone. Haeba ho hlokahala, ntlafatsa mekhoa ea ho omisa.
2. Khetho ea ho roala / Enke / Sekhomaretsi: Solvent e tlase, Phatlalatso e Phahameng
   • Khetha e tiileng haholo, liforomo tse tlase tse qhibilihang:Liaparo / likhomaretsi tse nang le litaba tse tiileng ≥40% li fokotsa tšebeliso ea solvent. Beha lintho tse tlang pele e thehiloeng ka metsi, e se nang solvent, Tšireletso ea UVlitsamaiso tsa ho tlosa masala a solvent mohloling.
   • Khetha lisebelisoa tse nang le tokollo e phahameng ea solvent:Khetha li-adhesive tse thehiloeng ho polyester (ho lokolloa ha solvent ho feta polyolefin-based). Khetha mokelikeli oa joala, e thehiloeng ka metsi, Sistimi ea enke e se nang benzene ho qoba maqhama a matla a hydrogen le solvents.
   • Laola ka thata-thata masalla a lisebelisoa tse tala/tlatsi:Tlhahlobo e tlang ea aluminium foil substrate, Likotsi, li-ink, sekgomaretsi bakeng sa masalla a solvent. Hana thepa e sa tšoaneleheng.
3. Ntlafatso ea Foromo: Fokotsa ho itšetleha ka Solvent
   • Fokotsa ho tsepamisa mohopolo mosebetsing:Laola ts'ebetso ea ho roala / sekhomaretsi ho sebetsa ho 30%-35%ho fokotsa ts'ebeliso ea solvent ha o ntse o netefatsa ho ts'oana ha moaparo.
   • Kenya lithuso tsa volatilization:​ Eketsa palo e loketseng ea ho feto-fetoha ha maemo a holimo, li-co-solvents tse saletseng tlase (E.g., acetone, isopropyl acetate) ho theola ntlha e belang ka phello ea azeotropic le ho potlakisa volatilization.
   • Ntlafatsa botenya ba ho roala/enke:Laola boima ba 'mele (motheo o omileng: 3-5 G / M²) le botenya ba enke ea khatiso ho fokotsa ho kenngoa ha solvent le ho ntlafatsa ts'ebetso ea ho omisa.

III. Taolo ea Ts'ebetso: Taolo e Nepahetseng ea ho Omisa le ho Lamination

1. Ho omisa/Ho hatisa ho omisa: Ho futhumatsa ha Gradient + Phallo e phahameng ea Moea + Khatello e Nyane e Nyane (Ts'ebetso ea mantlha)(1) Ho omisa Boemo ba Mocheso: Ho futhumatsa gradient ho qoba “sebopeho sa letlalo”

   Sebelisa ho omisa methati e meraroho leka-lekanya ho tlosoa ha solvent le boleng ba ho roala:

   • Sethala 1 (Leveling Zone):50-60 ° C, lebelo le phahameng la moya. Mocheso o tlase, moya o phahameng o tlosa >60% solvent, ho thibela letlalo la letlalo le ho kena ka hare ho solvent.
   • Sethala 2 (Kamehla-Rate Drying Zone):70-85 ° C, butle-butle ho eketseha ha mocheso. E boloka likanale tse bulehileng tsa phallo ea kahare hore li sebetse hantle, ho tsitsinyeha ho sa feleng.
   • Sethala 3 (Sebaka se matla sa ho omisa):85-100 ° C (haufi le ntlha e nolofatsang resin), mocheso o phahameng le phallo ea moea. E senya li-solvents tsa molek'hule bakeng sa ho tlosoa ka ho feletseng.(2) Lebelo la Moea le Khatello: Phallo e phahameng ea Moea + Khatello e Nyane e Nyane bakeng sa Phetisetso ea Boima e Matlafalitsoeng
   • Taolo ea Lebelo la Moea:Lebelo la nozzle ea moea ≥15 m/s. Beha phallo ea moea pele ho feta ho phahamisa mocheso feela (phallo ea moea e na le phello e kholo ho ethyl acetate evaporation e sebetsang hantle).
   • Taolo ea Khatello ea Moea:Boloka khatello e nyane e mpeka ontong (felloa ke molumo > bophahamo ba modumo). Kenya li-fan tsa exhaust ho tlosa li-solvents ka potlako, ho qoba ho qhibidiha hape le ho monya hape.
   • Ntlafatso ea Nozzle:Li-nozzles tse haufi le bokaholimo ba foil (5-10 mm lekhalo). Sebelisa li-nozzles tsa mofuta oa impingement ho matlafatsa phapanyetsano ea mocheso le ho ntlafala ha solvent.(3) Line Speed ​​Matching: Phetoho e Matla ho Bokhoni ba ho Omisa
   • Fetola lebelo la mola ho latela botenya ba ho roala, mofuta oa solvent, mocheso oa onto / phallo ea moeaho etsa bonnete ba hore nako ea ho omisa ≥3-5 metsotso bakeng sa ho tlosa solvent e lekaneng.
   • Qoba ho eketsa lebelo ka bofofu, se lebisang ho omeng ho sa fellang le ho fetella ha masalla.
2. Mokhoa oa Lamination: Ho omisa ka bobeli + Taolo ea ho Phekola
   • Ho omisa ka bobeli pele ho lamination:Eketsa a 80-90°CSetofo sa bobeli pele ho lamination ho tlosa masala ho tloha ho roala / khatiso, ho fokotsa ho fetisoa hoa lamination.
   • Lamination moqolo mocheso:Laola ho 55-70 ° C ho khothaletsa ts'ebetso ea sekhomaretsi / tlamahano le ho thusa ho fetoha ha solvent.
   • Mokhoa oa ho phekola:Mocheso oa mocheso oa 45-55 ° C, Nako 24-48 lihora. E khothalletsa ho kopanya li-adhesive cross-linking le ho ntša litlhare tse setseng. Etsa bonnete ba hore ho na le moea o motle oa kamore ea ho folisa ho thibela ho bokellana ha solvent.
3. Tlhokomelo ea Lisebelisoa: Thibela Tšilafalo ka Sefapanong le ho Aha Masala
   • Ho Hloekisa Oven:Kamehla hloekisa li-ovens, li-nozzles, likotopo tsa ho ntša metsi a sekontiri le litšila ho thibela ho thiba ha moea, le ho qoba tšilafalo ea khale ea solvent ea liphahlo tse ncha.
   • Roll Cleaning:Hloekisa meqolo ea ho roala khafetsa, meqolo ea lamination, meqolo e tataisang ho thibela tšilafalo ea masala a solvent / coating holim'a foil.
   • Sistimi ea ho fana ka Solvent:​ Sebelisa liphaephe tse inehetseng le litanka tsa polokelo tse tiisitsoeng ho thibela ho senyeha ha solvent, LEAGAG, le tšilafalo.

IV. Tikoloho le Tsamaiso ea Ts'ebetso: Fokotsa Tšitiso e Ntle

1. Taolo ea Tikoloho ea Workshop
   • Mocheso & Mongobo:Mocheso - 20-25 ° C, Mongobo 40-60%. Mongobo o phahameng o fokotsa ts'ebetso ea ho qhibiliha ha solvent; mongobo o tlase o baka static mme o ama ho roala.
   • Moea:Ho kenya moea ka har'a workshop, moea o fetoha ≥10 linako/hora. Kenya litsamaiso tsa ho hlabolla le ho hloekisa ho theola mahloriso a ambient solvent le ho thibela ho ata hape.
   • Tsamaiso ea libaka:Coating e ikhethileng, khatiso, lamination, le ho phekola libaka ho thibela tšilafalo pakeng tsa lits'ebetso.
2. Tlhokomelo ea Ts'ebetso le Litokomane
   • Inthaneteng Tlhokomelo:Kenya li-monitor tsa inthaneteng bakeng sa mocheso oa ontong, lebelo la moya, khatello, solvent concentration. Tlhokomelo ea nako ea 'nete ka lialamo tsa othomathike bakeng sa lintho tse sa tloaelehang.
   • Litlaleho tsa Batch:Ngola mofuta o mong le o mong oa mokelikeli, bohloeki, ho tsepamisa maikutlo, boima ba ho roala, ho omisa mekhahlelo (temp/lebelo/nako), lebelo la mola, li-parameter tsa ho hloekisa. Fumana traceability e felletseng.
   • Tsamaiso ea Basebetsi:Basebelisi ba fumana koetliso ea litsebi. Latela ka thata-thata mekhoa ea ts'ebetso. Litokiso tse sa lumelloeng ke mocheso, lebelo la moya, lebelo la mola li thibetsoe.

V. Teko Netefatso: Boikemisetso bo Nepahetseng, Ntlafatso ea Loop e Koetsoeng

1. Maemo a Teko le Meeli
   • Melao-motheo ea Motheo: GB 31604.60-2024. (Headspace Gas Chromatography, lemoha 25 solvents), GB / t 10004-2008.
   • Litlhokahalo tsa Moeli:Kakaretso ea masala a solvent ≤ 5.0 mg / m²; Benzene, Toluene, xylene, etc. (Litoto tsa benzene) e sa bonahaleng. (moeli oa ho lemoha <0.01 mg / m²); Mokelikeli o le mong (E.g., Ethyl acetate) ≤30 mg / m².
2. Mokhoa oa ho Leka (Headspace Gas Chromatography HS-GC)
   1. Tokisetso ea Mohlala:Khaola 50 cm² sampole ho 5 mm x 5 likotoana tsa mm, beha ka har'a vial ea sebaka sa hlooho, tiiso.
   2. Ho lekana ha Headspace:​ Eketsa ho 80°C ±1°C bakeng sa 30 metsotso ea ho volatilize solvents e setseng hore e be khase.
   3. Tlhahlobo ea Chromatographic:DB-624 kholomo ea capillary, Sesebelisoa sa FID, quantification ka mokhoa o tloaelehileng oa kantle/ka hare.
   4. Sephetho Kahlolo:Feta haeba kakaretso le masala a letoto la benzene a fihlella meeli. E hloleha ho batch kaofela haeba moeli o fetisitsoe.
3. Teko ea Khafetsa le Taolo
   • Tlhahlobo e Kenang:​ Lekola masalla a solvent bakeng sa sehlopha ka seng sa lisebelisoa tse tala / tse thusang. Sebelisa feela haeba ho loketse.
   • Sampling e ntseng e sebetsa:Mohlala oa sehlahisoa se seng le se seng sa inthanete 2 lihora tse ngata ho hlokomela katleho ea ho omisa le ho lokisa ts'ebetso hang-hang.
   • Tlhahlobo ea ho Qetela (100%):Lekola sehlopha se seng le se seng sa sehlahisoa se felileng. Sekepe ha feela se tšoaneleha. Ho ikarola, sebetsa bocha, kapa lihlahisoa tse sa lumellaneng.
   • Netefatso ea Mokha oa Boraro:​ Nako le nako romella lisampole ho batho ba boraro labs (E.g., Setsi sa Theknoloji ea Meetlo, litsi tsa tlhahlobo ea litsebi) ho etsa bonnete ba hore e nepahetse, liphetho tse lumellanang.

VI. Mathata a Tloaelehileng le Litharollo

VII. Letlapa la Taolo ea Ts'ebetso ea Key Process

VIII. Kakaretso le Taolo ea Nako e telele

Ho fihlella maemo a lumellanang a masala a solvent foil ea aluminium e koahetsoeng ka lijo ke projeke e hlophisitsoeng.. Khomarela melao-motheo ea “taolo e tiileng ya mohloli, taolo e nepahetseng ya tshebetso, kahlolo e matla ea teko, le ntlafatso e tsoelang pele”:

1. Etelletsa pele lisebelisoa tse tala / tse thusang tse tlase joalo ka lisebelisoa tse thehiloeng metsing / tse se nang metsi / UV ho fokotsa tšebeliso ea mokelikeli mohloling..
2. Ntlafatsa mokhoa oa ho omisa oa mekhahlelo e meraro, ho fumana matla a ho hlapolla ha solvent ka “phallo e phahameng ya moya + khatello e nyane e mpe + taolo e nepahetseng ea mocheso”.
3. Theha mokhoa o felletseng oa tlhahlobo, tiisa ka tieo meeli ea maemo a naha, ho etsa bonnete ba hore sehlopha se seng le se seng se lumellana.
4. Tsoela pele ho ntlafatsa lits'ebetso, Lisebelisoa, le tsamaiso ho theha mokhoa oa nako e telele oa taolo ea masala a solvent, ho netefatsa polokeho ea liphutheloana tsa lijo le ho matlafatsa tlholisano ea 'maraka oa lihlahisoa.