Lub Luag Haujlwm Tseem Ceeb ntawm Cov Ntim Khoom Siv
Qhov tseem ceeb ntawm Kev Raug Tshuaj Ntim Raug
Hauv ntau qhov kev lag luam xws li kev tsim khoom, kho tsheb, thiab hluav taws xob, kev siv tshuaj lom neeg yog ntau puag. Tshuaj lom neeg ua si ib lub luag haujlwm tseem ceeb hauv cov txheej txheem zoo li kev tsim khoom, ntxuav tu, thiab kev kho. Txawm li cas los xij, lawv kuj ua rau muaj kev pheej hmoo tseem ceeb yog tias tsis khaws cia thiab daws kom raug. Xaiv cov thawv rau sab xis rauTshuaj Lom Zemyog ntawm qhov tseem ceeb tshaj plaws rau ntau yam.
Kev nyab xeeb yog thawj qhov kev txhawj xeeb. Ntau yam tshuaj lom neeg muaj kev phom sij, nrog cov khoom xws li muaj kuab lom, cov nplaim taws, thiab corrosiveness. Cov khoom ntim tsis muaj peev xwm yuav ua rau xau, nchuav, lossis cov teeb meem cuam tshuam uas yuav ua rau tib neeg kev noj qab haus huv, suav nrog kev raug mob hnyav, lossis ntau qhov kev raug mob hnyav. Piv txwv li, yog tias tus neeg saib xyuas hlau kho kom zoo nkauj los ntawm kev siv lub thawv, nws tuaj yeem ua rau muaj kev phom sij rau cov neeg ua haujlwm hauv ib puag ncig.
Qhov zoo ntawm cov tshuaj chemical lawv tus kheej tuaj yeem cuam tshuam los ntawm cov muaj tsis raug. Cov tshuaj lom neeg tuaj yeem hnov mob nrog cov khoom siv ntawm cov thawv, ua rau kev cuam tshuam, poob ntawm potency, lossis hloov hauv cov tshuaj muaj kuab lom. Qhov no muaj tseeb tshwj xeeb rau cov neeg sawv cev hlau, uas feem ntau yuav tsum muaj kev tswj hwm cov tshuaj lom neeg tshwj xeeb kom kho cov chaw hlau. Kev hloov pauv ntawm cov khoom siv hlau ua kom zoo nkauj vim tias muaj cov teeb meem tsis tsim nyog, ua rau cov teeb meem tsis zoo lossis tsis muaj tseeb ntawm cov txheej hlau.
Kev tiv thaiv ib puag ncig yog lwm qhov tseem ceeb. Tshuaj lom neeg lom zem lossis cov dej nchuav tuaj yeem paug av, cov chaw ua dej, thiab huab cua, ua rau muaj kev puas tsuaj ntev rau cov ecosystem. Los ntawm kev siv cov thawv kom zoo, kev pheej hmoo ntawm cov kev sib kis ib puag ncig tuaj yeem txo qis.
Cov lus ntawm kab lus
Kab lus no yuav them rau ntau yam tshuaj lom neeg, suav nrog tab sis tsis txwv rau cov kua qaub, hauv paus, cov kuab tshuaj, thiab cov neeg sawv cev hlau. Peb yuav tshawb txog cov thawv sib txawv, xws li cov ntim hlau, ntim tshuab yas, ntim cov iav, thiab suav nrog lawv cov khoom haum rau ntau yam tshuaj.
Yuav muab cov kev qhia tshwj xeeb muab tso rau ntawm kev kho mob saum hlautus sawv cevCov. Cov neeg sawv cev no tau siv ntau yam txheej txheem kev muaj muag los ntxuav, npaj, thiab tiv thaiv cov chaw hlau. Lawv tuaj yeem muaj cov tshuaj sib txawv ntawm cov tshuaj, suav nrog acidic, alkaline, thiab cov organic. Nkag siab cov ntim khoom tsim nyog rau cov neeg sawv cev hlau yog qhov tseem ceeb uas lawv feem ntau yog siv rau kev kho tsheb hlau ncaj qha, thiab kev kho tsheb zoo li kev ua haujlwm thiab cov khoom siv zaum kawg. Peb yuav tham txog cov tshuaj lom neeg ntawm cov hlau ua kom muaj nuj nqis rau cov khoom siv ua ke, thiab muab cov lus qhia tseeb rau kev xaiv cov ntawv ntim tsim nyog hauv cov xwm txheej sib txawv.
Cov kev txiav txim siab tseem ceeb rau cov thawv tshuaj
Tshuaj Muaj Tshuaj Ntau
Zaj ntsiab lus thiab tseem ceeb
Tshuaj lom neeg sib xyaw yog hais txog lub peev xwm ntawm cov khoom ntim kom muaj kev cuam tshuam ntawm cov tshuaj lom neeg uas tuaj yeem ua rau cov tshuaj lom neeg, lossis kev tso tawm ntawm cov tshuaj muaj teeb meem. Nyob rau hauv cov ntsiab lus ntawm khaws cia thiab tuav tshuaj chemical, tshwj xeeb tshaj yog hlau cov neeg sawv cev, tshuaj lom neeg muaj txiaj ntsig yog qhov tseem ceeb tshaj plaws.
Rau cov neeg sawv cev hlau saum npoo av, uas feem ntau muaj cov tshuaj sib xyaw ua ke, ua kom tiav kev sib xyaw nrog cov khoom ntim ntim khoom yog qhov tseem ceeb. Yog tias tus neeg saib xyuas hlau tiv thaiv kev kho mob hnyav nrog lub ntim, nws tuaj yeem hloov cov tshuaj lom neeg ntawm tus neeg sawv cev. Piv txwv li, yog tias ib qho acidic hlau nto tshuaj yog khaws cia hauv cov hlau, cov acid tuaj yeem corrode cov hlau, tso cov hlau ions rau hauv tus neeg sawv cev kho mob. Qhov no tsis tsuas yog kev puas tsuaj lub thawv tab sis kuj hloov cov lej sib xyaw ntawm tus neeg sawv cev kho mob, muaj feem txo nws cov txiaj ntsig hauv kev kho cov hlau.
Ntxiv mus, ib lub thawv ntim tsis sib xws - Kev siv tshuaj lom neeg tuaj yeem ua rau muaj kev phom sij txaus ntshai. Cov tshuaj tiv thaiv ntawm cov tshuaj thiab cov khoom ntim ntim tuaj yeem ua rau tso cov roj lom, kom sov, lossis txawm ua qhov tawg hauv cov neeg hnyav. Yog li ntawd, nkag siab txog cov tshuaj sib xyaw ntawm ahlauCov neeg saib xyuas kev kho nrog cov khoom sib txawv yog thawj kauj ruam hauv kev txhim kho kev nyab xeeb thiab tuav.
Piv txwv ntawm cov tshuaj tsis sib xws {{}} thawv ntim sib txuas
Acidic tshuaj thiab hlau ntim: Acidic hlau saum npoo tsev, xws li cov uas muaj hydrochloric acid los yog sulfuric acid, yog reashly acid, yog reactive nrog ntau yam hlau. Piv txwv li, thaum hydrochloric acid {{1} Raws li cov neeg sawv cev hlau los yog hlau lossis hlau ntim, tshuaj lom neeg tshuaj lom neeg. Lub acid reacts nrog hlau, tsim cov tshuaj uas hlau hlau, ua kom cov roj av. Cov tshuaj tiv thaiv tuaj yeem yog cov kab zauv los ntawm kab sib npaug: \\ (fe+ 2 hcl_ {2} + h_ {2} \\ ovarrow \\). Qhov no tsis tsuas yog tsis muaj zog ntawm cov qauv ntawm lub thawv dhau los, ua rau muaj cov dej sib xyaw ua hlau ions, uas tuaj yeem cuam tshuam nws qhov kev ua tau zoo.
Cov Oxidizers muaj zog thiab qee cov yas ntim: Qee cov tshuaj kho cov hlau saum npoo nrog cov khoom siv muaj zog, zoo li cov muaj hydrogen peroxide lossis poov tshuaj permanganate, yog incomple nrog qee yam plastics. Piv txwv li, qis {- ntom polyethylene (ldpe) Cov thawv ntim khoom yas tsis haum rau cov kev daws teeb meem hydrogen perooxide. Cov oxidizers muaj zog tuaj yeem oxidize cov yas, ua rau nws los ua brittle, tawg, lossis txawm decompose. Qhov no tuaj yeem ua rau cov dej xau ntawm cov neeg saib xyuas hlau ua kom muaj kev phom sij thiab muaj peev xwm kev nyab xeeb kev nyab xeeb vim yog cov tshuaj tiv thaiv ntawm oxidizer.
Lub cev muaj tshuaj lom neeg
Viscosity thiab ntws yam ntxwv
Lub viscosity thiab ntws cov yam ntxwv ntawm cov tshuaj lom neeg, suav nrog cov neeg sawv cev hlau, ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab cov thawv uas tsim nyog.
Tsawg - visco viscamose hlau nto deg cov tshuaj tiv thaiv yooj yim. Rau cov no, ntim nrog cov qhib me me tuaj yeem siv rau kev faib tawm. Piv txwv li, yog tias tus neeg sawv cev kho kom zoo ib yam li ntawm cov dej, ib lub thawv nrog nqaim- Necked spout tuaj yeem ua rau pouring. Txawm li cas los xij, sab hauv ntawm lub khob ntim yuav tsum yog kom du kom txo qis tsis kam mus ntws. Cov ntaub ntawv xws li siab siab - ntom polyethylene (HDPE) lossis iav zoo rau khaws cia tsawg {}} visco viscamose hlau chaw sawv ntxov kho cov neeg sawv ntxov.
Ntawm qhov tod tes, siab - visco viscosity siv rau saum toj txheej thiab kev tiv thaiv, yuav tsum muaj cov ntim nrog qhib kev qhib loj dua. Qhov no tso cai rau cov extraction yooj yim ntawm tus neeg sawv cev. Piv txwv li, ib qho dav - lub qhov ncauj kua yas tej zaum yuav haum rau cov neeg muaj kuab txhuas zoo heev. Ib qho ntxiv, cov khoom ntim yuav tsum yog xws li tus neeg sawv cev tsis ua raws li nws muaj zog. Qee qhov tshwj xeeb- lub hom phiaj plastics nrog tsis muaj txiaj ntsig zoo nyob rau hauv cov thawv uas tsis tau tawm ntawm cov khoom seem ntau.
Siab thiab ntsuas kub rhiab
Muaj ntau yam tshuaj, suav nrog cov neeg sawv cev hlau ua ke, yog qhov nkag siab txog kev ntxhov siab thiab qhov no muaj qhov cuam tshuam tseem ceeb rau kev xaiv ntim.
Volatility thiab siab: Hlau cov kev kho mob uas yog qhov tsis muaj zog, xws li uas muaj vapatic organic cov kuab tshuaj, muaj peev xwm vaporize thiab nce lub siab sab hauv lub thawv kaw. Piv txwv li, yog tias tus neeg saib xyuas kev kho mob hlau muaj cov acetone ua acetone li cov kuab tshuaj, uas muaj cov pa kub siab nyob rau hauv chav tsev sov, yuav tsum muaj peev xwm tiv taus cov kev tiv thaiv sab hauv ntxiv. Cov thawv siv nruj ua cov ntaub ntawv zoo li tuab-} - lub zog yas yuav tsum muaj. Cov ntim tau tuaj yeem tiv thaiv cov tsim -}} ntawm ntau dhau los ntawm ua rau lub thawv ntim kom tawg. Ib qho ntxiv, cov chav ntim yuav xav tau nruab nrog kev kub siab {{}} pa nyem li qub kom muaj kev nyab xeeb tshaj li nws tau tshaj lub thawv muaj peev xwm.
Thermal nthuav dav: Tshuaj lom neeg, suav nrog cov neeg sawv cev hlau nto xwb, tuaj yeem nthuav lossis cog lus nrog qhov ntsuas kub. Piv txwv li, yog tias tus neeg saib xyuas hlau ua kom pom tseeb yog muab tso rau hauv lub khob ntim thiab raug rau qhov kub loj, tus neeg sawv cev yuav nthuav dav ntau dua li lub khob muaj peev xwm haum. Qhov no tuaj yeem ua rau tawg ntawm lub khob ntim. Ntim khoom ua los ntawmntaub ntawvNrog coefficients zoo sib xws ntawm thermal nthuav rau cov tshuaj uas lawv khaws cia yog nyiam dua. Qee cov yas, xws li polypropylene (PP), muaj qhov ntsuas kub siab ntxiv thiab tuaj yeem siv rau kev kho kom sov thiab txias {{rhiab. Rau qhov kub ntxhov heev {{}} Cov khoom siv hluav taws xob tshwj xeeb nrog cov khoom siv rwb thaiv tsev tshwj xeeb nrog cov khoom kub ruaj khov sab hauv lub khob.
Cov Kev Cai Tswjfwm
Kev lag luam - cov qauv tshwj xeeb
Tshuaj Kev Lag Luam: Hauv kev lag luam tshuaj, uas feem ntau cuam tshuam nrog cov neeg sawv cev hlau saum npoo av, muaj cov qauv nruj rau cov thawv ntim. Piv txwv li, Asmeskas haiv neeg rau kev sim thiab cov ntaub ntawv (ASTM) muaj cov qauv rau cov qauv, kev tsim kho, thiab kev ua tau zoo ntawm cov ntim khoom siv thiab thauj cov tshuaj lom neeg. Rau cov neeg sawv cev hlau saum npoo uas tau muab cais ua cov kev phom sij, cov thawv yuav tsum ua kom tau raws li lub zog, corrosion tsis kam, thiab xau- ua pov thawj. Cov qauv qauv xyuas kom cov thawv ntim tuaj yeem tuav cov tshuaj uas nyab xeeb thaum lub sijhawm cia, tsheb thauj mus los, thiab kev ua haujlwm.
Kws Tshuaj Kho Mob: Txawm hais tias lub tshuaj ntsuam kws tshuaj yuav tsis ncaj qha siv cov khoom siv kho kom zoo ib yam li cov khoom siv hlau kev kho mob (thaum nws ua raws li kev tsim khoom hlau ua ntej (GMP) cov qauv. GMP xav tias ntim cov khoom uas tsis yog {{2} {} {} leb tsuag, thiab yooj yim los ntxuav thiab sterilize. Qhov no ua kom pom tseeb tias cov tshuaj ntxuav tu tsis txhob paug cov tshuajkhoomThaum lub sij hawm ua cov txheej txheem tu.
Ua raws li kev nyab xeeb kev nyab xeeb
Ua raws li cov kev nyab xeeb kev nyab xeeb yog qhov tseem ceeb thaum xaiv cov ntim rau cov tshuaj, suav nrog cov neeg sawv cev ua kom sib luag. Hauv Tebchaws Meskas, Kev Nyab Xeeb Kev Nyab Xeeb thiab Kev Tswj Xyuas Kev Noj Qab Haus Huv (OSHA) muaj cov cai hais txog kev khaws cia thiab tuav tshuaj muaj kev phom sij. OSHA xav kom ntim cov tshuaj uas muaj kev phom sij, muaj npe nrog cov ntaub ntawv los ntawm cov ntaub ntawv, nws cov phom sij, thiab ib qho kev tiv thaiv kev nyab xeeb.
Cov ntim yuav tsum tau tsim thiab tswj kom tiv thaiv kom tiv thaiv kom tiv thaiv thiab nchuav. Piv txwv li, yog tias tus neeg saib xyuas hlau ua kom muaj zog, lub thawv yuav tsum tau tawm tsam ntawm lub sijhawm, thiab nws yuav tsum tau kuaj xyuas kev ua kom tsis tu ncua rau ib qho cim ntawm kev hnav lossis kev puas tsuaj. Ntxiv rau, thaj chaw cia rau cov tshuaj no yuav tsum ua raws li kev muaj kev nyab xeeb thiab muaj feem cuam tshuam nrog kev siv tshuaj kom zoo rau kev nyab xeeb tshuaj thiab tuav ntaub ntawv. Yog tsis ua raws li cov cai no tuaj yeem ua rau raug nplua thiab kev cai lij choj rau cov tuam txhab, qhia qhov tseem ceeb ntawm kev coj ua nyab xeeb hauv kev xaiv thiab siv cov thawv tshuaj.
Cov Khaub Ncaws Rau Tshuaj
Yas Ntim
Sib txawv hom plastics (piv txwv li, HDPE, LDPE, PTFE)
Cov thawv ntim cov yas tau siv dav hauv chav khaws tshuaj thiab kev thauj khoom ntawm cov tshuaj lom neeg vim lawv lub teeb, corrosion deb, {}} tsis kam, thiab tus nqi qis. Muaj ntau ntau hom plastics nquag siv rau cov thawv tshuaj, txhua tus nrog nws tus kheej cov khoom muaj txiaj ntsig.
High - ntom polyethylene (HDPE) yog qhov kev xaiv nrov. Nws muaj qhov tseem ceeb tshaj plaws, uas ua rau muaj peev xwm rau nws lub zog thiab kav ntev. HDPE tuaj yeem tiv taus qhov kub thiab txias thiab muaj cov tshuaj zoo tiv thaiv. Piv txwv li, nws tuaj yeem tiv thaiv kev corrosion ntawm ntau cov acids thiab bases rau ib yam. Nws melting taw tes yog nyob ib ncig130 - 137 degree, thiab nws tuaj yeem siv rau hauv qhov kub thiab txias} 40℃rau 90℃nyob rau hauv ib txwm muaj mob. HDPE feem ntau siv los ua kom loj - muaj peev xwm muaj xws li cov nruas rau khaws cia ntau yam tshuaj lom neeg muaj ntau yam.
Tsawg -} ntom polyethylene (LDPE) yog lwm hom. Nws hloov tau yooj yim dua thiab muaj qhov qis dua piv rau HDPE. LDPE muaj qhov muaj txiaj ntsig zoo heev, uas yog qhov muaj txiaj ntsig thaum nws tsim nyog yuav tsum tau soj ntsuam cov ntsiab lus. Nws tseem muaj hluav taws xob rwb thaiv tsev hluav taws xob. Txawm li cas los xij, nws muaj qhov qis dua melting point, feem ntau nyob ib ncig ntawm105 - 115 degree, thiab yog tsawg dua cua sov {}} tiv taus dua HDPE. LDPE feem ntau siv rau ua nyias - cov hnab ntim phab ntsa, xws li lub hnab yas thiab qee qhov me me {9} {9} Kev ntsuas tshuaj pleev ib ce.
Polytetrafluoroethylene (PTFE), tseem hu ua Teflon, yog qhov siab - kev ua tau yas nrog cov khoom muaj zog txawv txav. Nws tuaj yeem tiv thaiv kev tawm tsam yuav luag txhua yam tshuaj lom neeg, suav nrog cov muaj zog acids, hauv paus, thiab oxidants. PTFE muaj lub suab nrov heev ntawm 327℃thiab tuaj yeem siv rau hauv qhov kub thiab txias ntawm 260 degree. Nws cov kev sib txhuam qis qis coefficient ua rau nws haum rau cov ntawv thov qhov chaw ntxiv adhesion yog qhov tseem ceeb. Txawm hais tias PTFE yog kim dua li HDPE thiab LDPE, nws cov khoom tshwj xeeb ua rau nws tsis tseem ceeb rau kev khaws cia cov tshuaj tiv thaiv lossis cov tshuaj corrosive.
Lawv qhov sib raug zoo nrog cov neeg sawv cev sib luag
Qhov sib txawv ntawm kev sib txawv nrog cov neeg sawv cev hlau sib txawv.
HDPE yog sib xws nrog cov neeg sawv cev hlau kom sib xws. Rau alkaline hlau saum npoo tsev, HDPE ntim tau feem ntau muab kev cia siab kom zoo. Tus qauv tshuaj ntawm HDPE yog tus nyob hauv lub xub ntiag ntawm - lub zog alkalis, thiab nws tsis hnov yooj yim. Piv txwv li, yog tias tus neeg saib xyuas kev kho mob hlau muaj cov sodium hydroxide ua rau cov khoom siv hlau, ib qho khoom siv HDPE tuaj yeem khaws cia tsis muaj teeb meem lossis cov tshuaj tiv thaiv. Txawm li cas los xij, rau qee qhov ua tau zoo heev oxidizing hlau saum npoo tsev, HDPE yuav tsis yog qhov kev xaiv zoo tshaj plaws tuaj yeem ua rau oxidation ntawm cov yas thiab ib qho kev txo qis hauv nws cov qauv kev ntseeg.
LDPE, vim nws cov khoom mos thiab yoog raws, tej zaum yuav tsis haum rau khaws cia cov neeg sawv cev ua kom huv. Qee cov acidic hlau deg cov neeg sawv cev, tshwj xeeb yog cov uas muaj cov siab loj, tuaj yeem nkag mus rau hauv lub sijhawm. Piv txwv li, muaj cov kua roj acidsricic acid {{2} Raws li cov neeg sawv cev hlau tuaj yeem ua rau muaj ntsej muag hlau ua kom tawg thiab thaum kawg. Txawm li cas los xij, rau tsawg - reactive hlau deg cov neeg sawv cev, LDPE lub taub ntim khoom siv lossis hauv cov ntawv thov uas raug nqi rau qhov kev txiav txim siab loj yog qhov kev txiav txim siab loj.
PTFE, nrog nws cov tshuaj zoo heev, yog feem ntau nrog yuav luag txhua hom hlau saum npoo tsev laus. Txawm hais tias nws yog ib qho acidic, alkaline, lossis cov tshuaj tiv thaiv hlau kom zoo nkauj, PTFE ntim tuaj yeem muab kev nyab xeeb thiab txhim kho kev nyab xeeb thiab txhim khu kev qha ntawv kom ruaj ntseg thiab txhim khu kev qha. Piv txwv li, rau cov neeg sawv cev hlau uas muaj kev sib xyaw ua ke ntawm cov txheej txheem muaj zog thiab ua kom cov txheej txheem ua kom zoo dua qub los ua kom muaj kev ncaj ncees thiab kev nyab xeeb ntawm kev cia khoom.
Puas muaj cov thawv ntim
Tus qauv thiab kev ua haujlwm
Cov thawv ntim tau yog tsim los ntawm kev sib txuas ob lossis ntau cov ntaub ntawv sib txawv los coj kom zoo dua ntawm cov khoom zoo tshaj plaws ntawm txhua tus. Cov ntim tau no feem ntau muaj cov ntaub pua sab hauv ua los ntawm cov tshuaj uas zoo, ptfe, ptfe), thiab muaj fiber ntau {}}}} Refibled plastics lossis hlau.
Kev nkag mus sab hauv yog qhov ncaj qha rau cov tshuaj thiab ua haujlwm los tiv thaiv kev lom neeg lom neeg thiab ua kom muaj kev sib xyaw tshuaj. Piv txwv li, yog tias cov tshuaj lom neeg yog ib tus neeg sawv cev hlau ua kom zoo nkauj, tus HDPE lossis PTFE sab hauv cov ntaub qhwv tuaj yeem tiv thaiv cov tshuaj kom haum. Cov txheej txheej sab nraud muab lub zog tshuab zog thiab tiv thaiv kev puas tsuaj rau lub cev. Fiber -} Refibled plastics, xws li iav {}}}}} {7} qhov hnyav} qhov hnyav. Lawv tuaj yeem tiv taus kev cuam tshuam, kev co, thiab lub zog, tiv thaiv cov ntaub pua sab hauv thiab cov tshuaj khaws cia. Hauv qee kis, ib txheej hlau sab nraud, zoo li txhuas lossis hlau, yuav siv rau lub zog ntxiv thiab kav ntev, tshwj xeeb rau cov ntawv thov yuav tsum muaj zog heev.
Cov thawv ntim khoom sib xyaw tseem muaj cov yam ntxwv zoo li dej xau xws li tso cov ntawv pov hwm thiab kaw kom muaj kev nyab xeeb ntxiv thiab ua haujlwm. Cov ntsaws ruaj ruaj no yog tsim los tiv thaiv kev xau ntawm cov tshuaj khaws cia, txawm tias muaj kev nyuaj ib yam xws li kev thauj mus los lossis ntev} sijhawm cia.
Daim Ntawv Thov nyob rau hauv khaws cia cov neeg sawv cev hlau
Puas muaj cov thawv ntim tau zoo -} haum rau khaws cia cov neeg sawv cev hlau hauv ntau yam xwm txheej.
Nyob rau hauv loj - nplai hlau cov nroj tsuag, qhov chaw hlau ua ke nrog cov khoom siv hlau ua kom muaj ntau txheej thiab phom sij av cov neeg sawv cev. Piv txwv li, muaj zog acidic hlau deg kev kho kom raug siv rau pickling hlau chaw yog heev corrosive. Ib lub thawv ntim khoom nrog nrog PTFE sab hauv liner thiab cov txheej txheem steel sab nraud tuaj yeem khaws cov neeg sawv cev no. PTFE Liner tiv thaiv cov kua qaub corrosion, thaum lub zog hlau sab nraud muab cov tshuaj loj thiab qhov hnyav ntawm cov tshuaj loj, ntxiv rau kev tiv thaiv sab nraud cuam tshuam thaum tuav thiab khaws cia.
Rau hlau hlau saum npoo agents uas rhiab rau lub teeb lossis huab cua, ntim khoom siv tuaj yeem tsim nrog cov kev tiv thaiv ntxiv. Piv txwv li, qee cov tshuaj kho cov hlau deg siv hauv Aerospace kev lag luam rau kev kho cov khoom siv siab yuav hnov cov pa roj oxygen lossis muaj kev tawm tsam los ntawm lub teeb. Ib lub thawv ntim khoom haum nrog cov txheej txheej opaque (xws li fiber ntau {{
Hauv kev thauj mus los, cov thawv ntim khoom sib xyaw kuj muaj txiaj ntsig zoo. Lawv lub teeb tseem ceeb tseem muaj kev tsim kho muaj zog ua rau lawv haum rau kev kho cov hlau nto dhau ntawm cov neeg nyob deb dhau. Piv txwv li, thaum cov neeg sawv cev hlau yuav tsum tau thauj los ntawm cov chaw tsim khoom lag luam thiab muaj kev phom sij thaum ua kom muaj kev phom sij thiab ua kom muaj kev phom sij thaum ua kom raug rau cov neeg saib xyuas kev kho kom zoo.
Yav tom ntej cov qauv hauv cov thawv tshuaj
Kev Tsim Kho Cov Ntaub Ntawv Tshiab
Cov ntaub ntawv nthuav tawm nrog cov khoom txhim kho
Lub thawv ntim tshuaj muaj nyob rau ntawm CUSP ntawm qhov tseem ceeb hloov nrog cov khoom siv tshwm sim tshiab. Ib qho li no yog cov khoom siv tau ua tiav. Cov no yog engineered los ntawm kev sib txuas ob lossis ntau cov khoom sib txawv ntawm qib macroscopic, ua rau cov khoom uas zoo dua li ntawm cov khoom siv ntawm tus kheej. Piv txwv li, carbon {{- fiber ntau-}} frps) tau nce zuj zus. Cov pa roj carbon fibers muab lub zog siab thiab tawv ncauj, thaum cov polymers muab cov tshuaj tiv thaiv thiab muaj peev xwm. Nyob rau hauv cov ntsiab lus ntawm khaws cia hlau av cov neeg sawv cev, cfrp ntim tuaj yeem muaj kev tiv thaiv zoo. Lawv yog lub teeb tsis muaj zog txaus los tiv thaiv lub ruigors ntawm tuav thiab lawv cov tshuaj {{8} {8} {8} {8} {{8} {{8} {
Lwm txoj kev loj hlob zoo tshaj yog kev tawm ntawm cov ntaub ntawv ntse. Cov ntaub ntawv ntse hloov tuaj yeem hloov lawv cov peev xwm hauv kev teb rau sab nraud stimuli xws li kub, lossis tshuaj lom neeg raug tshuaj lom neeg. Cov duab - nco alloys (smas) yog hom khoom siv ntse. Cov alloys muaj peev xwm "Nco ntsoov" lawv cov qauv qub thiab rov qab mus rau nws thaum raug hloov kho qhov kub thiab txias. Nyob rau hauv cov ntaub ntawv ntim rau hlau saum npoo tsev, SMAs yuav siv tau rau hauv kev tsim qauv kaw lossis ntsaws ruaj ruaj. Piv txwv li, ib qho sma - real bee yuav nthuav dav lossis cog lus cia li nyob rau hauv txhua lub sijhawm thiab kev tiv thaiv xau ntawm cov hlau nto kev kho mob.
Lawv muaj peev xwm cuam tshuam rau tshuaj lom neeg cia tshuaj
Cov ntaub ntawv tshiab muaj lub peev xwm los rub tawm cov tshuaj cia hauv ntau txoj kev. Firstly, hais txog kev nyab xeeb, cov khoom txhim kho ntawm cov khoom siv no tuaj yeem txo qis kev pheej hmoo ntawm cov xwm txheej. Piv txwv li, lub siab - lub zog thiab cov tshuaj {{{{{}} {} {kev ntxhov siab thaum khaws cov neeg sawv cev sib luag. Qhov no txhais tau tias tsawg dua xau thiab nchuav ntau, tiv thaiv ob qho tib neeg kev noj qab haus huv thiab ib puag ncig.
Tus nqi - ua tau zoo yog lwm qhov chaw uas cov khoom tshiab tuaj yeem hloov kho. Txawm hais tias qee cov ntaub ntawv tshiab tuaj yeem muaj tus nqi qis dua, lawv ntev-}} Cov txiaj ntsig tau txais yuav ua rau txhua tus nqi txuag nyiaj. Piv txwv, cov khoom siv ntse tuaj yeem txhim kho cov tshuaj lom neeg sib xyaw. Ib lub taub ntim nrog tus ntse - cov khoom {6} Hloov kho tus kheej { Ib qho ntxiv, kev siv cov khoom siv me me xws li CFRPS tuaj yeem txo tus nqi thauj qis dua, raws li lawv txo qhov hnyav ntawm cov thawv thiab cov tshuaj lawv nqa.
Kev ua yeeb yam ntawm cov tshuaj khaws cia tseem tuaj yeem ua kom zoo dua. Cov ntaub ntawv tshiab uas muaj cov tshuaj sib xyaw zoo dua tuaj yeem tuaj yeem ua kom cov neeg sawv cev hlau kom muaj kev ncaj ncees thiab ua kom ntev dua. Qhov no yog qhov tseem ceeb li nws tuaj yeem ua rau zoo dua qub hauv cov hlau-}} kev xav tau rov qab kho thiab cuam tshuamnqi.
Txhim kho hauv cov thawv tsim
Txhim Kho Sealing Sealing Systems thiab Kev Nyab Xeeb Nta
Cov thawv tsim qauv kuj yog evolving kom tau raws li kev nce zuj zus kev nyab xeeb thiab ntseeg tau. Ib qho ntawm cov tseem ceeb ntawm kev tsim kho tshiab yog nyob rau hauv tshuab sib khi. Kev tsim cov thev naus laus zis tshiab raug tsim los muab kev tiv thaiv zoo dua rau cov dej xau. Piv txwv li, muaj kev loj hlob zuj zus ntawm kev siv ntau - txheej txheej sealing tshuab. Cov kab ke no muaj ntau txheej ntawm cov ntaub ntawv sib txawv, txhua tus pab txhawb rau qhov kev sib khi tag nrho. Nyob rau hauv ib lub taub ntim rau cov neeg sawv cev hlau kom tiv thaiv cov tshuaj lom neeg thiab cov txheej txheem sab hauv ntawm cov neeg siv hluav taws xob kom muaj zog thiab tiv thaiv cov txheej txheem ib puag ncig.
Cov yam ntxwv kev nyab xeeb kuj tau ua kev sib xyaw ua ke tsim qauv. Qee lub thawv tam sim no tuaj nrog ua - hauv sensors uas tuaj yeem kuaj pom, lossis ntsuas kub. Rau cov neeg sawv cev hlau saum npoo av, ib lub siab- rhiab sensor nyob rau hauv lub thawv muaj kev pom zoo vim yog tshuaj lom neeg lossis ntsuas kub. Qhov no tso cai rau kev cuam tshuam raws sijhawm, tiv thaiv cov xwm txheej muaj peev xwm xws li ntim pob tawb. Tsis tas li ntawd, qee lub ntim yog tsim nrog cov chaw muaj xwm txheej ceev uas tuaj yeem tso tawm kev nyab xeeb tshaj plaws, txuas ntxiv txhim kho cov neeg sawv cev hlau mus saum npoo av.
Ib puag ncig {{0} Tus phooj ywg ntim cov ntsiab lus
Nrog rau kev loj hlob thoob ntiaj teb tsom rau kev tiv thaiv ib puag ncig, muaj ib txoj kev tiv thaiv muaj zog ntawm kev txhim kho ntawm {{} Tus phooj ywg ntim cov kev kho mob, suav nrog cov neeg sawv cev hlau ua ke. Ib qho kev daws teeb meem yog kev siv cov khoom siv rov siv dua tshiab. Muaj ntau cov thawv ntim khoom siv tau tam sim no tau tsim los ua kom tau yooj yim dua, nrog kev txhim kho cov qauv yas tsim qauv tshiab thiab tsim cov txheej txheem. Piv txwv li, qee qhov plastics tau ua rau engleered kom sib xws nrog cov kwj txuas uas muaj kev rov ua dua tshiab, ua kom yooj yim dua cov thawv siv rau cov neeg sawv cev sib txawv.
Lwm thaj tsam ntawm kev txhim kho yog biodegradable ntim. Cov ntaub ntawv biodegradable, xws li qee hom bioplastics ua los ntawm cov peev txheej tshiab xws li cov pob kws cov hmoov txhuv nplej siab lossis cellulose, tau raug tshawb nrhiav rau kev siv hauv cov thawv tshuaj. Cov ntaub ntawv no tuaj yeem tsoo ib puag ncig ib puag ncig dhau sijhawm, txo qhov teeb meem ntawm cov khib nyiab yas. Rau tsawg - Cov chaw nres tsheb hlau deg, muab cov khoom siv tau zoo, muab cov khoom siv muaj peev xwm ntxiv rau cov khoom lag luam biodegradable.
Kev siv ntawm ib puag ncig -} Tus phooj ywg uas muaj tshuaj lom neeg ib puag ncig thiab muab cov kev xav tau zoo rau kev coj ua kom muaj kev ruaj ntseg. Raws li ntau qhov kev lag luam ua kom tau raws li cov kev cai ib puag ncig thiab cov kev coj ua cov tshuaj lom neeg cov tshuaj tua kab thiab lwm yam tshuaj lom neeg yuav nce ntxiv rau yav tom ntej.
TSEEM TAKEWAYS RAU COV PLAGBER xaiv
Recap ntawm cov ntsiab lus tseem ceeb
Hauv kev ntsuas tshuaj lom thiab tuav, qhov kev xaiv ntawm cov thawv yog qhov kev txiav txim siab ntau. Peb tau tshawb txog qhov tseem ceeb heev uas yuav tsum tau txiav txim siab thaum xaiv cov thawv rau cov tshuaj. Tshuaj lom neeg sib xyaw sawv ntsug raws li lub pobzeb, raws li muaj cov tshuaj tiv thaiv thiab cov khoom siv ntim khoom tuaj yeem ua rau tsis muaj kev cuam tshuam, tshuaj tsis muaj tshuaj lom, thiab phom sij txaus ntshai. Piv txwv li, qhov tsis sib xws ntawm cov neeg sawv cev hlau thiab hlau ua kom cov neeg kho mob tuaj yeem ua rau corrosion, xau, thiab hloov tshuaj tshuaj ntawm tus neeg sawv cev kho mob.
Cov khoom siv lub cev, suav nrog viscosity, ntws cov yam ntxwv, siab, thiab kub rhiab, kuj yog lub luag haujlwm tseem ceeb. Tsawg -} visco voscosity yuav tsum muaj cov chaw kho kom zoo, thaum high {} sab hauv {- cov thawv ntim. Cov tshuaj lom neeg uas rhiab siab thiab ntsuas kub hloov pauv uas tuaj yeem tiv thaiv cov kev hloov pauv no lossis cov khoom siv nrog cov khoom siv hluav taws xob tsim nyog.
Cov kev cai tswj tau tsis yog - sib yeem. Kev lag luam {{2} Txoj cai tshwj xeeb thiab cov kev tswj kev nyab xeeb kom ntseeg tau tias cov thawv ntim tau zoo thiab kev nyab xeeb. Rau cov neeg sawv cev hlau saum npoo av, ua raws li cov kev cai no yog qhov tseem ceeb rau kev tiv thaiv lub siab {}} Koj cov neeg ua haujlwm, thiab tswj hwm qhov kev ncaj ncees ntawm kev muaj kev lag luam.
Peb kuj tau tshuaj xyuas cov thawv sib txawv muaj. Hlau ntim muab lub zog thiab cua sov - Tsis kam tab sis tej zaum yuav muaj cov kev txwv tsis zoo xws li qee cov neeg sawv cev hlau. Cov thawv ntim cov yas, nrog lawv ntau hom xws li HDPE, LDPE, thiab PTFE, muab cov kev xaiv raws li kev siv tshuaj tiv thaiv, hloov pauv, thiab tus nqi. HDPE yog tsim nyog rau cov neeg sawv cev hlau ua saum npoo av, thaum PTFE muaj kev tiv taus ntau rau ntau yam tshuaj. Cov thawv ntim yog qhov zoo rau qee cov ntawv thov vim lawv cov tshuaj haum sib xyaw ua ke kom muab kev tiv thaiv hlau kom zoo nkauj.
Cov kev xav kawg ntawm qhov tseem ceeb ntawm kev xaiv lub thawv
Qhov tseeb xaiv ntawm cov ntim khoom siv tshuaj, tshwj xeeb yog cov neeg sawv cev hlau, yog qhov tseem ceeb tshaj plaws. Nws tsis yog ib qho tseem ceeb ntawm kev yooj yim tab sis ib qho tseem ceeb tab sis ua kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm, thiab kev tiv thaiv ib puag ncig. Hauv chaw muaj kev muaj, xaiv cov thawv ntim khoom lag luam tuaj yeem ua rau muaj kev sib tsoo, ntau lawm qeeb, thiab ib puag ncig cov pa paug.
Piv txwv li, lub peev txheej ntawm tus neeg saib xyuas hlau ua vim muaj cov khoom ntim tsis tsim nyog tuaj yeem ua rau cov khoom siv puas, thiab cov ua haujlwm uas yuav raug kev puas tsuaj ntau. Ntawm qhov tod tes, xaiv lub thawv zoo tuaj yeem txhim kho cov txheej txheem kev lag luam. Los ntawm kev tswj cov tshuaj lom neeg ntawm cov neeg kho mob saum npoo av tuaj yeem hloov kho cov hlau ua kom zoo ntxiv, ua kom zoo dua li hlau kev tsim khoom, kho tsheb, thiab aerospace.
Raws li cov ntaub ntawv tshiab thiab cov thawv tsim txuas ntxiv tawm, lub neej yav tom ntej tuav cov lus cog tseg zoo heev thiab muaj txiaj ntsig zoo dua. Txawm li cas los xij, tsis hais ntawm cov txheej txheem no, cov hauv paus ntsiab lus ntawm kev siv tshuaj lom neeg, thiab ua raws li cov cai yuav nco ntsoov nyob ntawm qhov tseem ceeb ntawm kev xaiv cov khoom siv. Nws yog incumbent raws li kev lag luam thiab cov tib neeg tuav tshuaj kom paub txog cov kev tsim kho tshiab thiab kev coj ua zoo tshaj plaws hauv kev nyab xeeb thiab muaj kev nyab xeeb rau yav tom ntej.