Yuav Ua Li Cas Yaj Polystyrene? Acetone Ua Cov Kuab Tshuaj Nyob Hauv Tsev. Dissolving Nyob Rau Hauv Roj Av. Daim Ntawv Thov Kev Daws Teeb Meem

Cov txheej txheem:

Video: Yuav Ua Li Cas Yaj Polystyrene? Acetone Ua Cov Kuab Tshuaj Nyob Hauv Tsev. Dissolving Nyob Rau Hauv Roj Av. Daim Ntawv Thov Kev Daws Teeb Meem

Video: Yuav Ua Li Cas Yaj Polystyrene? Acetone Ua Cov Kuab Tshuaj Nyob Hauv Tsev. Dissolving Nyob Rau Hauv Roj Av. Daim Ntawv Thov Kev Daws Teeb Meem
Video: Thaum muaj ib tug neeg tso ntiajteb tseg, cov ntseeg Yexus Khetos yuav ua li cas thiaj zoo? 2024, Tej zaum
Yuav Ua Li Cas Yaj Polystyrene? Acetone Ua Cov Kuab Tshuaj Nyob Hauv Tsev. Dissolving Nyob Rau Hauv Roj Av. Daim Ntawv Thov Kev Daws Teeb Meem
Yuav Ua Li Cas Yaj Polystyrene? Acetone Ua Cov Kuab Tshuaj Nyob Hauv Tsev. Dissolving Nyob Rau Hauv Roj Av. Daim Ntawv Thov Kev Daws Teeb Meem
Anonim

Lub siab xav paub yuav ua li cas yaj polystyrene feem ntau tshwm sim los ntawm cov kws ua haujlwm hauv tsev. Cov kua sib xyaw ua ke no muaj daim ntawv thov tshwj xeeb: lawv tuaj yeem ua lub luag haujlwm ntawm cov kua roj vanish lossis kua nplaum hauv kev tsim kho thiab kho kev lag luam.

Feem ntau, roj av lossis acetone tau siv los ua cov kuab tshuaj hauv tsev, uas ua rau nws muaj peev xwm hloov pauv cov khoom ntawm cov khoom mus ua kua, kua ib lub sijhawm luv.

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Vim li cas thiaj yaj?

Dissolved hauv cov kua tshuaj, ua npuas dej tau hloov pauv mus ua hom kua nplaum raws polyurethane ua npuas ncauj . Cov kev sib xyaw ua ke no tau ua tiav siv qhov uas nws tsim nyog los tsim kom nruj, sib txuas tsis tau lossis txheej. Qhov hnyav uas tau los ntawm kev ua npuas ua npuas dej muaj lub sijhawm thov tsawg - feem ntau tsis pub dhau 15 feeb. Qhov uas nws siv kuj yog nqaim heev.

  • Npog cov pob zeb hauv av lossis lub sam thiaj. Tsis tas li, kev daws teeb meem yog tsim rau kev tiv thaiv dej hauv qab daus.
  • Kho lub ru tsev. Cov tshuaj khib yog qhov tsim nyog rau kev kos cov slate lossis cov vuas.
  • Ua cov pob qij txha thiab cov npoo ntawm fiberboard, chipboard, thiab lwm yam chipboards.
  • Cov nplaum nplaum kab hlau rhuav, rooj tog zaum lossis khoom siv sab hauv.
  • Ceev cov extruded polystyrene ua npuas dej thaum tiv thaiv phab ntsa, hauv pem teb, qab nthab nrog nws.

Qhov tseeb, kev daws teeb meem ntawm polystyrene tsuas yog hloov cov ntoo ntoo qub lossis cov nplaum tsim . Nyob rau tib lub sijhawm, tsuas yog cov tshuaj organic uas haum rau ua haujlwm nrog cov khoom siv raw. Nws yog cov hom kuab tshuaj no uas pab hloov pauv cov ntawv los yog extrusion rau hauv cov khoom sib xyaw uas tsim nyog rau kev tsim kho ua haujlwm.

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Kev siv roj av

Cov khoom siv tau yooj yim tshaj plaws uas ua npuas tuaj yeem yaj tau yog roj av .… Hauv tsev, nws feem ntau siv los degrease qhov chaw, thiab cov neeg tsav tsheb hauv lub nkas -las ib txwm muaj cov roj ntim khoom hauv Tshuag. Cov organic hnyav yuav tsum huv thiab tsis muaj roj. Nws yuav muaj peev xwm daws tau los ntawm yuav luag txhua yam khoom siv raw: los ntawm ntim khoom mus rau cov cuab yeej siv hauv tsev mus rau tsim cov laug cam.

Qhov ua tau zoo tshaj plaws yog txheej txheej ntawm cov granular lossis tsis-nias ua npuas dej: yooj yim tawg, ua ntau. Nws yog ib qho tseem ceeb uas cov khoom siv tsis muaj cov nplaim hluav taws thiab lwm yam muaj peev xwm ua rau muaj kev phom sij ntxiv. Yog tias cov khoom muaj qhov ntxhiab txawv txawv txawv, nws yuav tsis haum rau kev npaj daws teeb meem. Roj av rau kev sib cais yuav tsum ua tau raws qee yam kev xav tau. Kev xaiv nrog tshuaj ntxiv lossis nce siab ntawm cov cawv cawv yuav tsis ua haujlwm.

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Muaj 2 txoj hauv kev tseem ceeb los ua haujlwm nrog cov kuab tshuaj organic: hauv zos thiab hauv chav kawm. Cov txheej txheem hauv qab no ntawm kev nqis tes feem ntau yog siv.

  • Thawv npaj . Nws yuav tsum huv, qhuav, thiab loj txaus rau qhov muab cov kua nplaum.
  • Sau nrog roj av . Nws qhov ntim tau ntsuas raws qhov xav tau ntawm cov nplaum nplaum.
  • Ntxiv ua npuas ncauj . Nws qhov ntau yuav tsum yog 3 npaug ntawm cov roj av. Yog tias cov khoom siv raw tau pib nthuav tawm hauv daim, nws tau muab faib ua cov granules.
  • Sib tov cov khoom xyaw . Qhov no yuav tsum tau ua kom zoo, vim tias cov tshuaj tsis haum tuaj yeem tso tawm thaum lub sijhawm txheej txheem. Cov khoom ntxiv tau ntxiv, yog tias tsim nyog, kom tau txais qhov ntim ntawm cov khoom rau txoj haujlwm.
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Ua kom cov nplaum nplaum txuas ntxiv mus kom txog thaum nws tau txais qhov sib xws sib xws, nco txog jelly hauv qhov ntom ntom . Nws yog qhov tsim nyog los siv cov txiaj ntsig tau tshwm sim tam sim ntawd, yam tsis tau ncua. Cov txheej thiab daim ntawv thov ntawm qhov hnyav yog ua tiav nrog txhuam. Qhov kawg ntawm tus txheej txheem, kab kua nplaum zoo li lub pob tshab vitreous khoom.

Nws yog ib qho tseem ceeb uas yuav tsum coj mus rau hauv tus account tias cov tshuaj tiv thaiv kab mob uas tshwm sim thaum roj av ua ke nrog ua npuas ncauj yog qhov ua phem heev . Lub ntim yuav tsum muaj sab siab kom cov kua tsis ntws tawm. Cov npuas uas zoo li jelly yog cov nplaim taws heev. Ntxiv mus, nws yuav tsis ua haujlwm los hloov qhov sib xws ntawm kev daws teeb meem - thaum mus txog qee qhov ntsuas, qhov sib xyaw yuav khaws cia rau lawv. Yuav tsis muaj qhov ntsiab lus ntxiv rau cov roj av nyob rau theem no.

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Nws kuj tseem tuaj yeem tsim cov kev daws teeb meem uas siv ua npuas dej qhuav . Hauv qhov no, kev ua haujlwm tau ua tiav hauv zos - hauv cov txheej txheem ntawm kev kho tsev me me, kev sib tsoo tawg. Lub luag haujlwm tseem ceeb ntawm tus tswv yog tamp cov hmoov qhuav kom nruj rau hauv lub qhov, thiab tom qab ntawd ntub lawv nrog roj av. Qhov hnyav yaj, thaum muag muag, tau faib rau saum qhov chaw kho. Nyob rau tib lub sijhawm, qib kev sib khi yog qhov siab heev, koj tuaj yeem siv txoj hauv kev los kho cov vov tsev muaj cov ntawv, cov nplais thiab cov vuas. Tsis hais txog txoj hauv kev thov, ua kom qhuav ntawm cov kua nplaum ua kom siv sijhawm ntev heev. Qhov no feem ntau yuav siv 36-48 teev.

Ntau ntau nyob ntawm qhov tuab ntawm txheej nplaum. Qhov loj dua nws, qhov txheej txheem tawv tawv yuav siv sijhawm ntev dua.

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Yuav siv acetone li cas?

Tsis yog txhua yam tshuaj yaj ua npuas dej zoo sib npaug. Thaum ua haujlwm hla thaj tsam loj, qhov sib tov yuav tsum ntws thiab tsis tuab. Qhov kev xaiv zoo tshaj plaws hauv qhov no yog acetone - qhov kev xaiv thoob ntiaj teb rau qhov kev daws teeb meem no . Kev siv cov khoom no hloov chaw ntawm cov roj av ua rau nws muaj peev xwm txhim kho kev ua tau zoo ntawm cov muaj pes tsawg leeg. Cov dej sib tov hloov mus ua kua, zoo haum rau kev faib tawm saum npoo av raws li kev tiv thaiv lossis dej tsis sib xyaw.

Nws yog qhov zoo dua los xaiv qhov ua tau zoo ntawm cov kua dej ntshiab. Hauv qhov no, ua ntej sib tov nrog ua npuas dej, acetone ua ke nrog nitro-lacquer. Tom ntej no, koj yuav tsum ua raws li tau piav qhia hauv qab no.

  • 1/10 ib feem ntawm qhov sib xyaw ntawm cov kuab tshuaj nrog cov kua roj nitro nchuav rau hauv ib lub tais.
  • Ua npuas ncauj ntxiv rau cov kua ua kua . Nws ntim yuav tsum yog 3 npaug ntawm cov khoom seem uas seem.
  • Cov muaj pes tsawg leeg yog sib xyaw kom txog thaum ua tiav kev sib cais . Tom qab ntawd, koj tuaj yeem maj mam ntxiv lwm cov khoom xyaw rau hauv cov kua. Tom qab tau txais qhov ntim, qhov sib xyaw tau tso cai rau brew kom cov pa roj tuaj tawm tag.
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Kev npaj ua npuas dej daws tuaj yeem siv tau raws li qhia . Txij li nws muaj dej ntau, qhov sib xyaw yog haum rau kis thoob qhov chaw loj. Nov yog qhov kev daws teeb meem zoo tshaj plaws rau kev npaj cov dej tsis sib xyaw thiab cov tshuaj khib thaum ua cov phab ntsa thiab cov hauv paus. Koj tuaj yeem thov daim ntawv qhia no thaum sau qhov tsis xws luag me me hauv lub ru tsev, kho cov ntaub ntawv laj kab.

Thaum ua haujlwm nrog cov qhov ntxeem tau, cov kua nplaum tau npaj thiab siv rau hauv txheej. Ntawm no nws ua haujlwm li impregnation. Raws li, koj yuav tsum tau tos kom txog thaum sib tov nkag mus rau hauv lub qhov hws ntawm lub hauv paus. Tsuas yog tom qab ntawd txheej thib 2 tau thov.

Cov yam ntxwv ntawm kev npaj cov kev daws teeb meem los ntawm ua npuas dej thiab acetone suav nrog tus nqi ntau dua ntawm kev nqus dej ntawm cov khoom. Qhov no ua kom cov txheej txheem kom qhuav. Tab sis koj tseem yuav tsum tau tos tsawg kawg 24 teev rau txheej txheej polyurethane ua kom tawv.

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Kev ceev faj txog kev ntsuas

Txoj cai kev nyab xeeb yooj yim thaum ua haujlwm nrog polystyrene thiab cov kuab tshuaj organic yog qhov ua tib zoo, ua tib zoo npaj cov ntaub ntawv thiab cov khoom siv . Lub ntim rau sib tov cov tshuaj yuav tsum yog hlau, tiv taus lwm yam kev cuam tshuam. Ib qho kev siv tshuaj nrog tshuaj yuav tsum tau nqa nrog hnab looj tes, nws yog qhov tsim nyog kom ua kom huv si hauv chav lossis siv qhov chaw tso cua tawm.

Polyfoam yog thawj cov khoom siv hluav taws kub uas ua rau muaj kev phom sij loj thaum ua haujlwm … Nws yog cov nplaim hluav taws txawm tias nyob hauv daim ntawv khov, thiab thaum cov tshuaj hloov pauv, cov pa tsis haum tau tso tawm, uas tuaj yeem yooj yim ua rau tawg. Tias yog vim li cas hauv chav uas ua haujlwm nrog cov kuab tshuaj tau ua tiav, yuav tsum muaj lub qhov rais kom ntws tawm ntawm cov huab cua ntshiab lossis tshwj xeeb fume hood.

Tsis txhob teeb lub teeb nyob ib sab ntawm cov kua ua kua, siv lwm qhov chaw qhib hluav taws, lossis ua kom sov sib xyaw.

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