2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13
Ntsuj Plig Dawb Huv yog cov khoom siv roj av tshwj xeeb uas tau txais thaum lub sij hawm kev sib xyaw thiab kev ua kom zoo ntawm roj av. Cov kuab tshuaj no tau txais thaum lub sijhawm ua haujlwm ntawm cov khoom siv hluavtaws hydrocarbons thaum lub sijhawm ua kom huv ntawm cov roj. Nws yog feem ntau siv hauv kev kho dua tshiab thiab ua haujlwm. Lus Askiv lub npe dawb-ntsuj plig txhais tau tias "dawb lossis pob tshab".
Peculiarities
Cov kua no yog siv hauv cov txheej txheem sib xyaw ntau yam xim thiab kua roj vanish. Ib qho ntxiv, cov kuab tshuaj tau siv hauv kev dilution ntawm alkyd, kua roj vanish thiab xim roj. Ntsuj Plig Dawb Huv kuj ua lwm yam dej num, piv txwv li, nws ua kom zoo yaj ntau yam roj thiab rog. Cov kuab tshuaj no yog siv los ntxuav cov tshuab hluav taws xob.
Cov kuab tshuaj no muaj ntxhiab tsw heev, uas zoo ib yam li tsw ntxhiab ntawm kerosene . Txawm tias nyob deb deb, qhov tshwj xeeb tuaj yeem hnov tau. Ntsuj Plig Dawb Huv tso cov pa phem heev uas tuaj yeem ua rau qaug cawv rau tib neeg lub cev.
Nws tsis nyuaj rau nrhiav thiab yuav cov dab dawb hnub no. Kev tsim kho kev lag luam muaj ntau yam khoom lag luam los ntawm cov tuam txhab txawv teb chaws thiab hauv tsev.
Sib xyaw
Lub hauv paus rau kev tsim cov kuab tshuaj yog sib xyaw ntawm cov ntawv cog lus aliphatic-aromatic hydrocarbon.
Feem ntau cov chaw tsim khoom qhia qhov feem pua ntawm cov khoom siv:
- muaj ntxhiab - 14%;
- sulfuric - 0.035%.
Yam ntxwv
Cov pob tshab khov khov zoo ib yam nrog nws cov roj cav sib xws nrog cov ntxhiab tsw tshwj xeeb. Nws hloov tawm los ua qhov zoo tshaj plaws, ua tsaug rau kev siv cov thev naus laus zis tshiab nyob sab Europe, uas ua rau nws muaj peev xwm zam kev tau txais cov khoom lag luam tsis zoo.
Muaj qee qhov ntsuas uas koj tuaj yeem txiav txim siab qhov ua tau zoo ntawm cov kuab tshuaj:
- qhov ntsuas qhov tsis txaus ntseeg - 3.5 … 5;
- qhov ntom ntawm qhov hnyav ntawm 20 ° C - 0.69 g / cm3;
- noj - 110 … 160 g / m2.
Cov kuab tshuaj tau tsim tawm hauv cov ntim ntawm ntau qhov sib txawv. Ntau tus neeg tau ntim rau hauv cov thawv tshwj xeeb ua los ntawm cov ntoo lossis cov khoom siv polymer.
Lub siab dawb tuaj yeem yuav hauv cov thawv:
- nrog lub peev xwm ntawm 1 l;
- hauv lub thoob yas nrog ntim ntawm 5, 10 thiab 20 litres;
- hauv lub nruas hlau nrog ntim ntawm 20 thiab 50 litres;
- hauv PET lub raj mis ntawm 500 ml thiab 1 liter.
Qhov hnyav hnyav tuaj yeem hais qhia tag nrho - 0.8 kg, piv txwv. Muab pov tseg cov poom tsis huv, cov thoob, cov kaus poom thiab cov kuab tshuaj seem ntawm qhov chaw sib sau ua ke rau cov khoom pov tseg uas tsim kev puas tsuaj.
Qhov zoo thiab qhov tsis zoo
Muaj qhov sib txawv ntawm cov khoom lag luam txawv teb chaws thiab txawv teb chaws. Cov tshuaj hnyav txawv teb chaws yog qhov txawv ntawm qhov tsis muaj qhov ntxhiab tsw tshwj xeeb. Tab sis Lavxias ua cov kuab tshuaj muaj txiaj ntsig zoo thiab ua tiav nrog nws txoj haujlwm ncaj qha. Ib qho ntxiv, Lavxias tus ntsuj plig dawb ntxuav qhov chaw ntawm cov rog ntau dua.
Nws yog qhov zoo dua los yuav tus ntsuj plig dawb hauv tsev, vim tias cov khoom sib xyaw kuj tseem ceeb. Cov khoom lag luam tuaj txawv teb chaws muaj cov ntxhiab tsw ntxhiab tsw ntxhiab tsw ntxhiab ntau dua li cov khoom siv hauv tsev, yog li ntawd lawv qis dua lawv raws li kev muaj peev xwm yaj tau. Thiab lub zog tawg yog qhov tseem ceeb tshaj qhov tsis muaj tshuaj tsw qab.
Qhov zoo tseem ceeb ntawm kev siv cov kuab tshuaj rau dilution thiab degreasing yog:
- qib tshuaj lom neeg tsawg;
- instant huab cua;
- kev pom zoo;
- ntau yam kev siv.
Thov
Cov khoom siv xws li tus ntsuj plig dawb yog siv rau:
- tsim cov xim thiab cov kua roj vanish;
- kev tsim cov tshuaj tua kab mob uas siv los ua ntoo tiav;
- kev tsim cov primers;
- tu cov cuab yeej tshwj xeeb, tshuab qhov chaw;
- tshem cov roj los ntawm cov hlau txheej;
- ua polishing pastes;
- ntxuav qhov saum npoo ua ntej tha xim.
Nws yog qhov yooj yim heev los thov cov tshuaj hnyav ua kom tiav:
- Ib qho nyiaj ntawm tus ntsuj plig dawb tau muab tso rau hauv cov khoom uas xav tau.
- Qhov sib tov yog sib tov kom huv si kom txog thaum tus.
- Cov txheej txheem tuaj yeem rov ua dua yog tias yuav tsum tau hnyav ntxiv.
Degreasing
Nws yog ib qho yooj yim rau degrease saum npoo siv tus ntsuj plig dawb. Feem ntau, cov tshuaj hnyav yog siv thaum nws tsim nyog los ntxuav thaj tsam rau pleev xim txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhav txha hniav laus mus rau lub hauv paus. Ib qho me me ntawm cov ntsuj plig dawb tau thov rau thaj tsam uas yuav tsum tau kho los ntawm kev txhuam nrog daim ntaub. Tom qab ntawd, txheej yuav tsum tau sab laug rau ob peb feeb, tom qab ntawd so qhov saum npoo kom qhuav.
Ib txwm hnav hnab looj tes los tiv thaiv koj txhais tes ua ntej ua haujlwm ., cov kuab tshuaj hnyav dhau. Nws yuav tsum tau nco txog qhov kev hloov pauv ntawm tus ntsuj plig dawb. Thaum ua haujlwm nrog cov khoom, koj yuav tsum tau tso cua tawm hauv chav tas li.
Kev ruaj ntseg ntsuas
Ntsuj plig dawb tsis yog rau cov neeg muaj tshuaj lom ntau.
Nws yuav tsum tau ua raws qee yam qauv kev nyab xeeb:
- Thaum ua haujlwm nrog tshuaj hnyav, yuav tsum siv cov khaub ncaws tshwj xeeb uas tuaj yeem tiv thaiv lub cev los ntawm kev sib cuag nrog tshuaj. Koj kuj yuav tsum nco ntsoov txog qhov yuav tsum tau siv lub tshuab ua pa.
- Koj yuav tsum tau ua haujlwm hauv chav qhib lossis qhov cua.
- Cov tshav ncaj qha ntawm lub hnub yuav tsum tsis txhob poob rau ntawm lub ntim nrog cov tshuaj, txwv tsis pub muaj hluav taws tuaj yeem tshwm sim.
- Nws tsis tuaj yeem ua haujlwm nrog tus ntsuj plig dawb nyob ze qhov chaw ntawm cov teeb pom kev zoo, uas suav tias yog qhov chaw ntawm qhov hluav taws kub.
- Thaum qhib lub thawv, tsis txhob siv cov khoom uas tuaj yeem tsim lub txim taws.
- Tsis txhob siv cov twj tso kua mis (cua tso rau) kom ntws lossis hloov cov kuab tshuaj.
- Cov xuab zeb lossis ua npuas dej tuaj yeem siv tua hluav taws thaum muaj hluav taws kub. Cov dej tua hluav taws tsis siv.
Cov kuab tshuaj tau muab cais ua pawg txaus ntshai 4. Raws li, cov kua yuav tsum tau ua tib zoo thiab ua tib zoo saib xyuas cov txheej txheem kev nyab xeeb uas twb muaj lawm.
Cia
Cov organic hnyav ntawm cov kuab tshuaj tuaj yeem siv tsis tsuas yog hauv cov chaw tsim khoom rau xim thiab kua roj vanish. Cov cuab yeej no tau pib siv rau hauv cov nroj tsuag tshuaj uas xav tau kev tu lub tsev thiab ntau qhov chaw xav tau. Cov chaw tsim khoom loj siv cov ntim hnyav rau kev ua haujlwm. Tus nqi ntawm cov khoom no yuav tsum tau khaws cia rau qee qhov chaw.
Cov chaw thiab chaw cia khoom muaj qhov tshwj xeeb xav tau:
- Nws muaj peev xwm khaws cov kuab tshuaj uas tau npaj rau ntxuav qhov chaw thiab degreasing cov chaw ntawm thaj chaw ntawm chaw ua haujlwm lossis chav tsim khoom tsuas yog ntim uas tsis ntau tshaj qhov xav tau txhua hnub.
- Khaws cov tshuaj nyob rau hauv ib lub thawv ntim kaw. Hnub tas sij hawm feem ntau yog qhia rau ntawm daim ntawv lo. Cov ntim khoob yuav tsum tau ua. Feem ntau cov ntim ntim tsis huv tau ntxuav los yog khov. Cov txheej txheem tu kom huv no yuav tshem tawm cov thawv ntim cov pa tawg.
- Nws yog qhov zoo dua tsis txhob khaws cov kuab tshuaj hauv chav nrog cov khoom siv polymerization.
- Nws raug nquahu kom khaws cov organic yam tshuaj hauv lub khob iav tshwj xeeb. Hauv qhov no, kev puas tsuaj rau lub thawv ntim khoom yuav tsum raug cais tawm tag nrho.
Ntxiv nrog rau txoj cai kev nyab xeeb dav dav, muaj qhov tshwj xeeb xav tau rau ib chav twg uas cov tshuaj hnyav yuav khaws cia. Cov no tsuas yog tuaj yeem txias, chav qhuav thiab tsaus, uas tau npaj rau kev tso thiab tom qab khaws cov kuab tshuaj.
Chav tshwj xeeb yuav tsum tau nruab nrog lub qhov cua los xyuas kom meej tias cov xwm txheej ua tau raws li cov qauv kev nyab xeeb ntawm hluav taws uas feem ntau yuam rau hauv chav rau khaws cov khoom tawg, suav nrog cov dej uas tuaj yeem hlawv tau. Tshuaj vapors yuav tsum tsis txhob sau rau ntawd. Cov plag tsev yuav tsum yooj yim los ntxuav thiab nqes hav. Nws tau tsim los txhawm rau tshem tawm cov dej tsis tsim nyog uas tuaj yeem tshwm sim thaum ntub ntub. Qhov rooj ntawm chav tsev yuav tsum raug kaw kom nruj.
Analogs
Niaj hnub no, ntxiv rau lub siab dawb, ntau yam tshuaj raug nthuav tawm, siv rau degreasing lossis ntxuav cov chaw:
- Roj av - ua kom zoo ntxiv ntawm cov xim thiab cov kua roj vanish, roj thiab bitumen txha hniav laus. Cov khoom siv no yog siv los ntxuav cov roj los ntawm cov nplaim kom nplaum.
- Turpentine - siv los yaj cov roj thiab alkyd-styrene sib txuas. Ntshiab turpentine tau ua ke nrog lwm hom kuab tshuaj kom tsim tau cov tshuaj lom nruab nrab los siv cov xim pleev xim qhuav.
Zoo li tus ntsuj plig dawb, cov tshuaj zoo sib xws tau tsim thaum lub sijhawm ua cov roj.
Ntawm lawv, ntau yam benzosolvents tuaj yeem sib txawv, uas muaj cov yam ntxwv zoo sib xws rau lub siab dawb:
- muaj pes tsawg leeg muaj pes tsawg leeg;
- qib qis ntawm kev lom;
- siab kub taw tes;
- diluted zoo, tso cai rau koj ua haujlwm nrog cov xim thiab rho tawm, suav nrog cov khoom tsim ua zaj duab xis;
- kev sib xyaw nrog qee qhov nqi ntawm cov ntxhia hydrocarbons.
Ntsuj Plig Dawb Huv, txawm hais tias muaj qhov tshwm sim ntawm cov neeg sawv cev tshiab, tseem raug txiav txim siab yog ib qho ntawm cov kuab tshuaj zoo tshaj plaws thiab zoo tshaj plaws.
Pom zoo:
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