Hom Iav Siv Hauv Kev Tsim Cov Thawv Lag Luam Thiab Cov Thawv
Hauv ntau yam kev lag luam—txij li kev lag luam tshuaj lom neeg thiab tshuaj mus rau kev lag luam khoom noj thiab dej haus—cov thoob dej thiab cov thawv yog cov khoom tseem ceeb rau kev khaws cia, sib tov, lossis ua cov khoom siv. Cov ntaub ntawv siv feem ntau yog cov hlau carbon, hlau tsis xeb, cov yas engineering, lossis cov khoom sib xyaw. Txawm li cas los xij, hauv qee qhov kev siv, iav yog qhov kev xaiv tseem ceeb vim nws cov tshuaj lom neeg tsis ruaj khov, cov ntxhiab tsis nqus tau, tsis ruaj khov nrog ntau yam khoom siv, thiab lub peev xwm los pom cov ntsiab lus ntawm lub thoob ncaj qha.
Txawm hais tias nws yuav zoo li tsis yooj yim tawg, iav siv rau kev lag luam tsis yog iav ib txwm muaj. Muaj ntau hom iav muaj cov qauv tshwj xeeb thiab cov txheej txheem tsim khoom uas ua rau lawv tiv taus kub siab, hloov pauv sai sai ntawm qhov kub thiab txias, thiab kev tawm tsam tshuaj lom neeg. Kev xaiv hom iav zoo cuam tshuam ncaj qha rau kev nyab xeeb, lub neej ntev, qhov zoo ntawm cov khoom, thiab kev saib xyuas zoo. Hauv qab no yog cov hom iav feem ntau siv rau hauv kev tsim cov thoob dej thiab cov thawv ntim khoom lag luam, nrog rau lawv cov yam ntxwv thiab cov piv txwv ntawm kev siv.
1. Borosilicate Iav
Borosilicate iav yog ib qho ntawm cov kev xaiv nrov tshaj plaws rau kev siv hauv kev lag luam thiab chaw kuaj mob. Nws cov ntsiab lus boron oxide (B₂O₃) ua rau nws cov coefficient qis ntawm kev nthuav dav thermal. Qhov no txhais tau tias nws tiv taus kev poob siab thermal, lossis kev hloov pauv kub tam sim ntawd, dua li cov iav soda-lime (lossis iav ib txwm).
Cov txiaj ntsig tseem ceeb:
- Tiv taus kev hloov pauv kub sai sai (thermals stable).
- Kev tiv thaiv tshuaj lom neeg zoo heev rau ntau cov kua qaub, ntsev thiab cov kuab tshuaj organic.
- Kev pom tseeb siab, ua rau nws yooj yim dua los saib cov txheej txheem hauv lub tank lossis reactor.
Cov Kev Txwv:
- Tseem tuaj yeem raug cuam tshuam los ntawm cov hauv paus muaj zog (piv txwv li NaOH uas muaj concentrated) ntawm qhov kub siab.
- Tus nqi siab dua li cov iav ib txwm muaj.
Aplikasi umum:
- Cov thoob dej me me-nruab nrab rau cov tshuaj lom neeg.
- Cov iav reactor uas muaj jacketed rau cov tshuaj tiv thaiv uas xav tau kev tswj kub.
- Cov thawv cia khoom rau qee cov tshuaj lossis cov kuab tshuaj.
- Lub iav pom (qhov rai tshuaj xyuas) ntawm cov kav dej thiab cov tank.
Hauv kev lag luam tshuaj lom neeg thiab tshuaj, iav borosilicate feem ntau raug xaiv vim nws tuaj yeem tswj tau qhov huv ntawm cov khoom thiab txo qhov kev pheej hmoo ntawm kev ua qias tuaj ntawm cov ntaub ntawv tank.
2. Iav Tempered (Iav Tempered)
Cov iav kub yog cov iav uas tau raug cua sov rau qhov kub tshwj xeeb thiab tom qab ntawd txias sai sai (quenched), tsim kev ntxhov siab rau ntawm qhov chaw. Cov txheej txheem no ua rau cov iav muaj zog dua li cov iav ib txwm tiv taus kev cuam tshuam thiab kev hloov pauv kub.
Cov txiaj ntsig tseem ceeb:
- Lub zog kho tshuab siab dua (tiv taus kev cuam tshuam ntau dua).
Thaum tawg lawm, cov khoom feem ntau me me, txo qhov kev pheej hmoo ntawm kev raug mob hnyav.
- Haum rau cov khoom uas xav tau lub cev ruaj khov.
Cov Kev Txwv:
- Tsis tuaj yeem txiav lossis tho qhov tom qab cov txheej txheem tempering (yuav tsum tau ua kom zoo li qub ua ntej).
- Kev tiv thaiv tshuaj lom neeg nyob ntawm hom iav uas raug tempered (feem ntau yog soda-lime), yog li nws tsis zoo li borosilicate rau cov tshuaj lom neeg hnyav.
Aplikasi umum:
- Tus neeg zov qhov chaw tshuaj xyuas.
- Cov iav vaj huam sib luag rau tshuab lossis thaj chaw ua haujlwm tiv thaiv.
- Lub iav pom uas yuav tsum tau tiv taus kev cuam tshuam.
Hauv cov tshuab tso dej hauv kev lag luam, cov iav tempered feem ntau siv ua cov khoom tshuaj xyuas, lub hau, lossis lub vaj huam sib luag saib xyuas, es tsis yog ua lub cev tseem ceeb rau cov tshuaj hnyav.
3. Cov Iav Laminated
Cov iav laminated yog ua los ntawm ob lossis ntau daim iav uas sib txuas ua ke nrog ib txheej interlayer (xws li PVB lossis lwm yam khoom siv polymer). Yog tias cov iav tawg, cov khoom tawg yuav lo rau ntawm txheej interlayer, tiv thaiv lawv kom tsis txhob tawg.
Cov txiaj ntsig tseem ceeb:
- Muaj kev nyab xeeb dua thaum muaj kab nrib pleb (cov khoom tawg tsis poob/poob yooj yim).
- Haum rau cov chaw uas muab kev nyab xeeb rau cov neeg ua haujlwm.
- Muaj peev xwm muab cov khoom ntxiv xws li kev txo suab nrov lossis kev lim dej UV hauv qee daim ntawv thov.
Cov Kev Txwv:
– Cov txheej nruab nrab yuav raug cuam tshuam los ntawm qhov kub thiab txias lossis raug rau qee yam tshuaj lom neeg, nyob ntawm hom.
- Tsis yog ib txwm tsim nyog rau kev sib cuag ncaj qha nrog cov tshuaj lom neeg hnyav.
Aplikasi umum:
- Cov qhov rai loj loj hauv chav ua haujlwm.
- Vaj huam sib luag kev nyab xeeb hauv thaj chaw cia khoom.
- Cov iav saib xyuas hauv cov chaw uas xav tau kev txo qhov kev pheej hmoo tawg.
Hauv kev lag luam, iav laminated feem ntau raug xaiv rau kev nyab xeeb, tshwj xeeb tshaj yog thaum cov iav loj loj raug teeb tsa rau hauv thaj chaw uas muaj neeg coob lossis muaj kev cuam tshuam.
4. Iav uas muaj txheej thiab hlau uas muaj txheej iav
Rau cov tshuaj lom neeg uas tiv taus siab heev thiab cov kev xav tau kho tshuab ntau heev, kev lag luam feem ntau siv lub tswv yim ntawm "iav hauv qab" hlau. Qhov no hu ua iav-hauv qab hlau. Hauv lub kaw lus no, lub tank yog ua los ntawm hlau (muab lub zog ntawm cov qauv), tom qab ntawd coated sab hauv nrog cov iav tshwj xeeb enamel uas yog fused ntawm qhov kub siab los ua ib txheej tawv, du, thiab inert.
Cov txiaj ntsig tseem ceeb:
- Tiv taus ntau yam tshuaj lom neeg corrosive (ntau cov acids thiab cov kuab tshuaj).
- Qhov chaw du ua rau kev ntxuav yooj yim dua thiab txo cov khoom seem.
- Ua ke lub zog kho tshuab ntawm hlau nrog rau kev tiv thaiv tshuaj lom neeg ntawm iav.
Cov Kev Txwv:
– Lub txheej txheej yuav raug puas tsuaj yog tias nws raug ntaus hnyav los ntawm sab hauv (piv txwv li, lub impeller lossis lwm yam khoom txawv teb chaws).
– Kev kho yuav tsum muaj cov txheej txheem tshwj xeeb.
- Tsis yog ib txwm zoo tagnrho rau qee lub hauv paus muaj zog lossis qee qhov xwm txheej ua haujlwm hnyav (nyob ntawm cov lus qhia tshwj xeeb ntawm txheej).
Aplikasi umum:
- Cov tshuaj tiv thaiv (reactors) rau kev lag luam tshuaj lom neeg thiab tshuaj.
- Cov thoob dej khaws cov khoom siv corrosive.
- Qee cov khoom siv fermentation xav tau cov chaw inert thiab yooj yim los ntxuav.
Cov hlau uas muaj iav yog siv dav hauv cov txheej txheem tshuaj lom neeg tab sis tseem xav tau cov hlab siab lossis cov khoom siv loj uas nyuaj rau ua tiav thaum siv cov iav khov kho.
5. Cov Iav Quartz (Cov Iav Quartz / Fused Silica)
Cov iav quartz (fused silica) muaj cov silica ntau heev thiab muaj kev ua haujlwm kub zoo heev. Nws tuaj yeem tiv taus qhov kub siab dua li borosilicate thiab muaj kev tiv taus thermal shock zoo heev.
Cov txiaj ntsig tseem ceeb:
- Kev kub siab heev.
- Cov coefficient qis heev ntawm kev nthuav dav thermal.
- Kev sib kis tau zoo ntawm qhov muag, txawm tias rau qee qhov ntau yam uas xav tau hauv cov txheej txheem tshwj xeeb (nyob ntawm cov lus qhia).
Cov Kev Txwv:
- Cov nqi kim heev.
- Rau cov thoob dej loj, kev siv cov khoom siv quartz khov kho yog qhov tsis tshua muaj vim nws kim thiab nyuaj rau tsim.
Aplikasi umum:
- Cov khoom siv tshwj xeeb uas muaj qhov kub siab.
- Cov raj, cov qhov rai tshuaj xyuas, lossis cov khoom siv reactor hauv cov txheej txheem tshwj xeeb (piv txwv li cov ntawv thov semiconductor lossis cov txheej txheem thermal tshwj xeeb).
- Cov tshuab uas xav tau kev pom tseeb siab rau kev saib xyuas.
Rau kev tsim cov thawv ntim khoom lag luam, quartz feem ntau yog siv rau hauv qee qhov chaw (cov khoom), tsis yog cov thawv loj.
6. Cov Khob Iav Soda-Lime (Cov Khob Iav Ordinary) rau Cov Ntawv Thov Txwv
Cov iav uas ua los ntawm cov kua txiv qaub ntsuab (soda-lime) yog cov iav uas siv ntau tshaj plaws hauv cov tsev thiab cov khoom siv niaj hnub. Nws pheej yig tshaj plaws, tab sis nws tiv taus kev kub hnyiab thiab cov tshuaj lom neeg tsawg dua.
Cov txiaj ntsig tseem ceeb:
- Pheej yig thiab yooj yim yuav.
- Kev pob tshab zoo.
Cov Kev Txwv:
Tsis tuaj yeem ua siab ntev rau qhov hloov pauv kub sai sai.
- Kev tiv thaiv tshuaj tsawg dua li borosilicate, tshwj xeeb tshaj yog rau cov txheej txheem ua haujlwm nyuaj.
Aplikasi umum:
- Cov thawv uas tsis tseem ceeb rau cov khoom tsis ua phem, nyob rau qhov kub thiab txias hauv chav.
- Cov vaj huam sib luag soj ntsuam uas tsis raug cua sov lossis cov tshuaj lom neeg hnyav (feem ntau ua ke nrog kev tempering / laminating rau kev nyab xeeb).
Hauv ntiaj teb kev lag luam, cov kua txiv qaub ntsuab tsis tshua siv rau cov txheej txheem tshuaj lom neeg loj, tab sis nws tseem tuaj yeem siv rau cov kev xav tau pom hauv qhov chaw muaj kev nyab xeeb.
Cov Yam Tseem Ceeb Hauv Kev Xaiv Iav Rau Cov Thawv Lag Luam Thiab Cov Thawv
Thaum xaiv ib hom iav, nws tsis txaus los saib "kev tiv taus cua sov" lossis "kev tiv taus tshuaj lom neeg." Muaj ntau yam uas cov engineers feem ntau tshuaj xyuas:
1. Kev sib raug zoo ntawm cov tshuaj lom neeg: hom kua qaub/puag, cov kuab tshuaj, qhov concentration, thiab qhov kub ua haujlwm.
2. Qhov kub thiab txias thiab kev poob siab: cov txheej txheem cua sov-txias tshwm sim ntau npaum li cas thiab cov kev hloov pauv tshwm sim sai npaum li cas.
3. Kev ua haujlwm siab: ntau lub nkoj lag luam ua haujlwm ntawm qee qhov siab; iav khov kho muaj qhov txwv, yog li cov hlau uas muaj iav feem ntau raug xaiv.
4. Kev pheej hmoo ntawm kev cuam tshuam thiab kev co: thaj chaw uas muaj cov khoom sib xyaw, cov twj tso kua mis, lossis cov neeg ua haujlwm coob coob yuav tsum muaj cov qauv tsim kom muaj kev nyab xeeb dua.
5. Kev xav tau kev tu cev thiab kev tu cev: cov lag luam tshuaj thiab khoom noj feem ntau xav tau cov chaw uas yooj yim ntxuav thiab tsis ua rau muaj kev kub ntxhov.
6. Txoj kev tshuaj xyuas: qhov xav tau los saib cov xim, theem, ua npuas dej, cov av noo, lossis cov kua dej ncaj qha.
Kev kaw
Iav muaj ib txoj haujlwm tshwj xeeb hauv kev lag luam: nws muaj kev ruaj khov ntawm cov tshuaj lom neeg, qhov chaw du thiab yooj yim ntxuav, thiab pom tseeb rau kev kuaj xyuas - peb yam zoo uas feem ntau nyuaj rau ua tiav nrog lwm cov ntaub ntawv. Cov hom iav siv sib txawv ntau, los ntawm iav borosilicate, nrov rau cov txheej txheem tshuaj lom neeg thiab chaw kuaj mob, mus rau iav tempered thiab laminated rau kev nyab xeeb zoo dua, mus rau iav quartz rau qhov kub thiab txias heev, thiab rau cov thev naus laus zis hlau iav, uas sib xyaw cov hlau thiab iav txheej rau kev tiv taus tshuaj lom neeg thiab lub zog kho tshuab.
Thaum kawg, "iav zoo tshaj plaws" yog qhov uas haum rau cov xwm txheej ua haujlwm thiab cov txheej txheem pheej hmoo zoo tshaj plaws. Yog tias xaiv cov khoom siv zoo, tsim qauv zoo, thiab saib xyuas kom zoo, cov thoob dej iav thiab cov thawv tuaj yeem yog qhov kev daws teeb meem zoo, ruaj khov, thiab ua haujlwm tau zoo rau cov kev xav tau niaj hnub no.
