1)Daim ntawv thov tseem ceeb ntawm cov khoom siv hauv tsev qib cellulose ether
Lub teb ntawm cov khoom siv hauv tsev yog qhov kev thov tseem ceeb ntawmcellulose ether. Cellulose ether muaj cov khoom zoo xws li thickening, dej tuav, thiab retardation, yog li nws yog dav siv los txhim kho thiab txhim kho cov khoom sib xyaw (nrog rau cov khib nyiab ntub dej thiab cov khib nyiab qhuav sib xyaw), PVC resin manufacturing, latex xim, putty, pobzeb nplaum, Kev ua haujlwm ntawm cov khoom siv hauv tsev nrog rau cov thermal rwb thaiv tsev mortar thiab cov ntaub ntawv hauv pem teb ua rau lawv ua tau raws li cov kev xav tau ntawm kev txuag hluav taws xob thiab kev tiv thaiv ib puag ncig, txhim kho kev tsim kho kom zoo ntawm cov tuam tsev thiab kho kom zoo nkauj, thiab yog siv ncaj qha rau kev tsim kho ntawm cov masonry plastering thiab sab hauv thiab sab nrauv phab ntsa kho kom zoo nkauj ntawm ntau hom kev tsim kho. Vim muaj cov peev txheej loj hauv kev tsim kho engineering, ntau hom kev tsim kho vaj tse tau tawg, muaj ntau hom, thiab kev tsim kho kev vam meej sib txawv heev, cov khoom siv hauv tsev qib cellulose ether muaj cov yam ntxwv ntawm kev siv ntau yam, kev lag luam loj. , thiab cov neeg siv khoom tawg.
Ntawm cov qauv nruab nrab thiab qib high-end ntawm cov khoom siv hauv tsev qib HPMC, cov khoom siv hauv tsev qib HPMC nrog cov gel kub ntawm 75 ° C yog siv rau hauv cov tshuaj khib nyiab qhuav thiab lwm cov teb. Nws muaj qhov kub thiab txias tsis kam thiab ua haujlwm zoo. Nws daim ntawv thov kev ua tau zoo yog qhov kub thiab txias Nws tsis tuaj yeem hloov tau los ntawm cov khoom siv hauv tsev HPMC ntawm 60 ° C, thiab cov neeg siv khoom siab muaj kev xav tau ntau dua ntawm kev ruaj ntseg zoo ntawm cov khoom no. Nyob rau tib lub sij hawm, nws yog technically nyuaj los tsim HPMC nrog ib tug gel kub ntawm 75 ° C. Cov peev txheej ntawm cov cuab yeej tsim khoom yog loj, thiab qhov pib nkag yog siab. Tus nqi ntawm cov khoom yog siab dua li ntawm cov khoom siv hauv tsev HPMC nrog gel kub ntawm 60 ° C.
Lub high-end PVC-specific HPMC yog ib qho tseem ceeb additive rau zus tau tej cov PVC. Txawm hais tias HPMC tau ntxiv rau hauv ib qho me me thiab tso nyiaj rau cov nqi qis ntawm PVC ntau lawm, cov khoom siv tau zoo, yog li nws cov kev xav tau zoo yog siab. Muaj ob peb lub tuam txhab tsim khoom hauv tsev thiab txawv teb chaws ntawm HPMC rau PVC, thiab tus nqi ntawm cov khoom tuaj txawv teb chaws yog ntau dua li cov khoom siv hauv tsev.
2)Txoj Kev Txhim Kho ntawm Tsev Khoom Qib Cellulose Ether Kev Lag Luam
①Kev txhim kho ruaj khov ntawm kuv lub teb chaws kev tsim kho kev lag luam txuas ntxiv ua rau kev lag luam xav tau rau cov khoom siv hauv tsev qib cellulose ether
Raws li cov ntaub ntawv tshaj tawm los ntawm National Bureau of Statistics, xyoo 2021, kuv lub teb chaws txoj kev loj hlob hauv nroog (qhov feem pua ntawm cov pej xeem hauv nroog hauv lub tebchaws) yuav nce mus txog 64.72%, nce ntawm 0.83 feem pua ntawm cov ntsiab lus piv nrog rau thaum xaus ntawm 2020, thiab ib qho kev nce ntxiv piv nrog rau urbanization tus nqi ntawm 49.95% hauv 2010. 14.77 feem pua cov ntsiab lus, qhia tias kuv lub teb chaws tau nkag mus rau hauv nruab nrab thiab lig theem ntawm urbanization. Raws li txoj cai, kev loj hlob ntawm tag nrho cov kev xav tau hauv kev lag luam vaj tsev hauv tsev kuj tau nkag mus rau theem ruaj khov, thiab qhov sib txawv ntawm kev thov hauv ntau lub nroog tau dhau los ua pom tseeb. Qhov kev thov rau vaj tse tseem nce ntxiv. Nyob rau hauv lub neej yav tom ntej, nrog kev poob qis ntawm qhov kev faib ua feem ntawm kuv lub teb chaws kev lag luam kev lag luam thiab kev nce ntawm qhov kev faib ua feem ntawm cov kev pabcuam kev lag luam, kev nce ntawm cov ntaub ntawv ua haujlwm hloov pauv xws li kev tsim kho tshiab thiab kev ua lag luam, thiab kev txhim kho cov qauv ua haujlwm hloov pauv, cov kev xav tau tshiab yuav yog. muab tso rau pem hauv ntej rau kev lag luam hauv nroog, thaj chaw nyob thiab kev sib npaug ntawm kev ua haujlwm. Cov khoom vaj khoom tsev cov kev xav tau ntawm kev lag luam yuav muaj ntau haiv neeg, thiab kev lag luam vaj tsev hauv tsev thiab kev tsim vaj tsev tau nkag mus rau lub sijhawm hloov pauv thiab hloov pauv.
Cov peev txheej ntawm kev tsim kho kev lag luam, thaj chaw tsim kho vaj tse, thaj chaw ua tiav, thaj chaw kho kom zoo nkauj vaj tsev thiab nws cov kev hloov pauv, cov nyiaj tau los ntawm cov neeg nyob hauv thiab cov cwj pwm kho kom zoo nkauj, thiab lwm yam, yog qhov tseem ceeb cuam tshuam rau kev lag luam hauv tsev. khoom qib cellulose ether. Cov txheej txheem ntawm nroog loj yog ze ze. Los ntawm 2010 txog 2021, kuv lub teb chaws kev nqis peev vaj tsev ua tiav thiab kev tsim kho kev lag luam tso tawm tus nqi pib tswj hwm kev loj hlob tsis tu ncua. Xyoo 2021, kuv lub teb chaws cov peev txheej tsim vaj tsev tsim ua tiav yog 14.76 trillion yuan, ib xyoos ib zaug nce ntawm 4.35%; Kev tsim kho kev lag luam tag nrho cov khoom tsim tawm yog 29.31 trillion yuan, nce 11.04% xyoo-rau-xyoo.
Txij xyoo 2011 txog 2021, qhov nruab nrab txhua xyoo kev loj hlob ntawm thaj chaw tsim vaj tsev nyob hauv kuv lub teb chaws kev tsim kho kev lag luam yog 6.77%, thiab qhov nruab nrab txhua xyoo kev loj hlob ntawm thaj chaw tsim kho vaj tsev yog 0.91%. Xyoo 2021, thaj chaw tsim vaj tsev ntawm kuv lub teb chaws kev tsim kho kev lag luam yuav yog 9.754 billion square metres, nrog rau kev loj hlob ib xyoos ib zaug ntawm 5.20%; thaj tsam kev tsim kho tiav yuav yog 1.014 billion square metres, nrog rau kev loj hlob ntawm 11.20%. Txoj kev loj hlob zoo ntawm kev tsim kho hauv tsev yuav ua rau muaj kev siv cov khoom siv hauv tsev xws li cov khoom sib xyaw ua ke, PVC resin manufacturing, latex xim, putty, thiab pobzeb nplaum, yog li ua rau kev lag luam xav tau rau cov khoom siv hauv tsev qib cellulose ether.
②Lub teb chaws nquag txhawb cov khoom siv vaj tsev ntsuab uas sawv cev los ntawm cov khoom sib xyaw ua ke, thiab qhov chaw tsim khoom lag luam ntawm cov khoom siv hauv tsev qib cellulose ether yog txuas ntxiv.
Mortar yog ib qho khoom sib txuas uas siv los tsim cov cib. Nws yog tsim los ntawm ib qho kev faib ua feem ntawm cov xuab zeb thiab cov khoom sib txuas (cement, txiv qaub paste, av nplaum, thiab lwm yam) thiab dej. Txoj kev siv tshuaj khib nyiab yog nyob rau ntawm qhov chaw sib xyaw, tab sis nrog kev ua tiav ntawm kev tsim kho kev lag luam thiab kev txhim kho ntawm kev tsim kho vaj tse, qhov tsis zoo ntawm qhov chaw sib xyaw mortar tau dhau los ua qhov tseem ceeb, xws li tsis ruaj tsis khov, cov khib nyiab loj. cov ntaub ntawv, ib hom mortar, tsawg degree ntawm civilized tsim thiab ua phem rau ib puag ncig, thiab lwm yam.
Piv nrog rau ntawm qhov chaw sib xyaw mortar, cov txheej txheem ntawm kev sib xyaw mortar yog concentrated sib tov, kaw kev thauj mus los, twj tso kua mis tsheb thauj mus los, tshuab txau rau ntawm phab ntsa, thiab cov txheej txheem cov yam ntxwv ntawm ntub sib tov nws tus kheej, uas zoo heev txo cov tiam ntawm hmoov av thiab yog yooj yim rau kev tsim kho tshuab. Yog li npaj txhij-siv mortar muaj qhov zoo ntawm kev ruaj ntseg zoo, kev nplua nuj ntau yam, kev tsim kho tus phooj ywg ib puag ncig, txuag hluav taws xob thiab txo qis, thiab muaj txiaj ntsig zoo ntawm kev lag luam thiab ib puag ncig. Txij li thaum xyoo 2003, lub xeev tau tshaj tawm cov ntaub ntawv tseem ceeb ntawm txoj cai los txhawb kev tsim khoom thiab siv cov khoom sib xyaw ua ke thiab txhim kho cov txheej txheem kev lag luam sib xyaw ua ke.
Tam sim no, kev siv cov mortar npaj txhij siv rau ntawm qhov chaw sib xyaw mortar tau dhau los ua ib qho tseem ceeb ntawm kev txo qis PM2.5 emissions hauv kev tsim kho kev lag luam. Nyob rau hauv lub neej yav tom ntej, nrog kev nce zuj zus ntawm cov xuab zeb thiab pob zeb, tus nqi ntawm kev siv cov xuab zeb ncaj qha rau ntawm qhov chaw tsim kho yuav nce, thiab kev nce nqi ntawm kev ua haujlwm yuav ua rau kev siv cov nqi ntawm cov khoom sib xyaw ntawm qhov chaw sib xyaw, thiab qhov kev thov rau kev npaj sib xyaw mortar hauv kev tsim kho kev lag luam yuav loj hlob ntxiv. Tus nqi ntawm cov khoom siv hauv tsev qib cellulose ether hauv cov khoom sib xyaw ua ke feem ntau suav txog li 2/10,000. Ntxiv cellulose ether pab ua kom cov khoom sib xyaw ua ke, khaws cov dej thiab txhim kho kev tsim kho. Qhov kev nce no tseem yuav ua rau kev loj hlob ntawm kev thov rau cov khoom siv hauv tsev qib cellulose ether.
Lub sij hawm xa tuaj: Plaub Hlis-25-2024