Kev lag luam chain situation:
(1) Upstream kev lag luam
Cov khoom siv tseem ceeb uas xav tau rau kev tsim khoom ntawmcellulose ethersuav nrog cov paj rwb zoo (lossis ntoo pulp) thiab qee cov tshuaj hnyav, xws li propylene oxide, methyl chloride, kua caustic soda, caustic soda, ethylene oxide, toluene thiab lwm yam khoom siv. Cov kev lag luam saum toj kawg nkaus ntawm qhov kev lag luam no suav nrog cov paj rwb zoo, cov chaw tsim khoom ntoo thiab qee cov lag luam tshuaj. Tus nqi hloov pauv ntawm cov ntaub ntawv tseem ceeb uas tau hais los saum toj no yuav muaj qhov sib txawv ntawm qhov cuam tshuam rau tus nqi tsim khoom thiab muag tus nqi ntawm cellulose ether.
Tus nqi ntawm cov paj rwb refined kuj yog siab heev. Siv cov khoom siv hauv tsev qib cellulose ether ua piv txwv, thaum lub sijhawm tshaj tawm, tus nqi ntawm cov paj rwb refined suav txog 31.74%, 28.50%, 26.59% thiab 26.90% ntawm cov nqi muag khoom ntawm cov khoom siv hauv tsev qib cellulose ether. Tus nqi hloov pauv ntawm cov paj rwb refined yuav cuam tshuam tus nqi ntawm cellulose ether. Lub ntsiab raw khoom rau zus tau tej cov paj rwb refined yog paj rwb linters. Cov paj rwb linters yog ib qho ntawm cov khoom lag luam hauv cov txheej txheem paj rwb, feem ntau yog siv los ua paj rwb pulp, refined paj rwb, nitrocellulose thiab lwm yam khoom. Kev siv tus nqi thiab siv cov paj rwb linters thiab paj rwb sib txawv heev, thiab nws cov nqi yog pom tseeb qis dua li cov paj rwb, tab sis nws muaj qee qhov sib cuam tshuam nrog tus nqi hloov pauv ntawm paj rwb. Kev hloov pauv ntawm tus nqi ntawm cov paj rwb linters cuam tshuam rau tus nqi ntawm cov paj rwb refined.
Qhov kev hloov pauv ntawm tus nqi ntawm cov paj rwb refined yuav muaj qhov sib txawv ntawm qhov cuam tshuam rau kev tswj cov nqi tsim khoom, tus nqi khoom thiab cov txiaj ntsig ntawm cov lag luam hauv kev lag luam no. Thaum tus nqi ntawm cov paj rwb refined siab thiab tus nqi ntawm cov ntoo pulp yog pheej yig, thiaj li yuav txo tau cov nqi, ntoo pulp yuav siv tau los hloov thiab ntxiv rau refined paj rwb, feem ntau yog siv los tsim cellulose ethers nrog tsawg viscosity xws li tshuaj thiab zaub mov qib cellulose ethers. Raws li cov ntaub ntawv los ntawm lub vev xaib ntawm National Bureau of Statistics, xyoo 2013, kuv lub teb chaws cog paj paj yog 4.35 lab hectares, thiab lub teb chaws paj rwb tawm yog 6.31 lab tons. Raws li kev txheeb cais los ntawm Tuam Tshoj Cellulose Industry Association, nyob rau hauv 2014, tag nrho cov zis ntawm refined paj rwb uas tsim los ntawm loj domestic refined paj rwb manufacturers yog 332,000 tons, thiab cov khoom ntawm raw khoom yog ntau.
Cov khoom siv tseem ceeb rau kev tsim cov khoom siv tshuaj graphite yog steel thiab graphite carbon. Tus nqi ntawm cov hlau thiab graphite carbon account rau qhov feem ntau ntawm cov nqi tsim khoom ntawm cov khoom siv tshuaj graphite. Tus nqi hloov pauv ntawm cov khoom siv raw yuav muaj qee yam cuam tshuam rau cov nqi tsim khoom thiab muag cov khoom siv tshuaj graphite.
(2) Downstream kev lag luam ntawm cellulose ether
Raws li "kev lag luam monosodium glutamate", cellulose ether muaj qhov feem tsawg ntawm cellulose ether thiab muaj ntau yam kev siv. Cov kev lag luam qis qis tau tawg mus rau txhua qhov chaw ntawm lub neej hauv kev lag luam hauv tebchaws.
Feem ntau, kev lag luam kev tsim kho qis thiab kev lag luam vaj tsev yuav muaj qee yam cuam tshuam rau kev loj hlob ntawm kev thov rau cov khoom siv hauv tsev qib cellulose ether. Thaum kev lag luam kev tsim kho hauv tsev thiab kev lag luam vaj tsev loj hlob sai, kev lag luam hauv tsev xav tau cov khoom siv hauv tsev qib cellulose ether yog loj hlob sai. Thaum qhov kev loj hlob ntawm kev lag luam hauv tsev thiab kev lag luam vaj tse qeeb qeeb, qhov kev loj hlob ntawm kev thov rau cov khoom siv hauv tsev qib cellulose ether hauv kev lag luam hauv tsev yuav qeeb, uas yuav ua rau muaj kev sib tw hauv kev lag luam no thiab ua kom cov txheej txheem ciaj sia taus ntawm cov khoom lag luam hauv kev lag luam no.
Txij li xyoo 2012, nyob rau hauv cov ntsiab lus ntawm kev poob qis hauv kev lag luam hauv tsev thiab kev lag luam vaj tsev, qhov kev thov rau cov khoom siv hauv tsev qib cellulose ether hauv kev lag luam hauv tsev tsis tau hloov pauv ntau. Cov laj thawj tseem ceeb yog: 1. Tag nrho cov nplai ntawm kev lag luam hauv tsev thiab kev lag luam vaj tsev yog qhov loj, thiab tag nrho cov kev lag luam xav tau kuj loj; cov neeg siv khoom lag luam tseem ceeb ntawm cov khoom siv hauv tsev qib cellulose ether yog maj mam nthuav dav los ntawm cov cheeb tsam tsim kev lag luam thiab cov nroog thib ib thiab thib ob mus rau thaj chaw nruab nrab thiab sab hnub poob thiab cov nroog thib peb, kev thov kev loj hlob hauv cheeb tsam thiab qhov chaw nthuav dav; 2. Tus nqi ntawm cov cellulose ether ntxiv nyiaj rau cov nqi qis ntawm cov khoom siv hauv tsev. Tus nqi siv los ntawm ib tus neeg siv khoom yog me me, thiab cov neeg siv khoom tau tawg, uas yog qhov nyuaj rau kev thov. Tag nrho cov kev thov nyob rau hauv lub downstream kev ua lag luam yog qhov ruaj khov; 3. Kev hloov pauv ntawm tus nqi lag luam yog ib qho tseem ceeb cuam tshuam rau kev thov cov qauv hloov ntawm cov khoom siv hauv tsev qib cellulose ether. Txij li xyoo 2012, tus nqi muag ntawm cov khoom siv hauv tsev qib cellulose ether tau poob qis heev, uas tau ua rau poob qis ntawm cov nqi ntawm cov khoom nruab nrab mus rau high-end, nyiam cov neeg siv khoom ntau dua los yuav thiab xaiv, nce qhov kev thov rau nruab nrab-rau-high-end khoom, thiab nyem qhov kev lag luam xav tau thiab nqi chaw rau cov qauv zoo tib yam.
Qib ntawm kev loj hlob ntawm kev lag luam kws tshuaj thiab kev loj hlob tus nqi ntawm kev lag luam kws tshuaj yuav cuam tshuam qhov kev thov rau qib tshuaj cellulose ether. Kev txhim kho ntawm tib neeg txoj kev ua neej nyob thiab kev tsim khoom noj khoom haus kev lag luam yog qhov tsim nyog rau kev ua lag luam xav tau cov khoom noj-qib cellulose ether.
Txoj kev loj hlob ntawm cellulose ether
Vim qhov sib txawv ntawm cov qauv hauv kev lag luam thov rau cellulose ether, cov tuam txhab uas muaj qhov sib txawv thiab qhov tsis muaj zog tuaj yeem ua ke. Raws li kev pom ntawm cov qauv kev sib txawv ntawm kev xav tau ntawm kev lag luam, cov tuam txhab lag luam hauv tsev cellulose ether tau siv cov tswv yim sib tw sib txawv raws li lawv tus kheej lub zog, thiab tib lub sijhawm, lawv yuav tsum tuav txoj kev loj hlob thiab kev taw qhia ntawm kev ua lag luam zoo.
(1) Kev ruaj ntseg ntawm cov khoom zoo yuav tseem yog qhov tseem ceeb ntawm kev sib tw ntawm cellulose ether cov lag luam
Cellulose ether tso nyiaj rau ib feem me me ntawm cov nqi tsim khoom ntawm feem ntau cov lag luam downstream hauv kev lag luam no, tab sis nws muaj kev cuam tshuam zoo rau cov khoom zoo. Ib nrab-rau-siab-kawg cov neeg siv khoom yuav tsum dhau los ntawm cov qauv kev sim ua ntej siv qee hom ntawm cellulose ether. Tom qab tsim cov qauv ruaj khov, nws feem ntau tsis yooj yim los hloov lwm lub npe ntawm cov khoom, thiab tib lub sijhawm, cov kev xav tau siab dua tau muab tso rau ntawm qhov zoo ntawm cellulose ether. Qhov tshwm sim no tseem ceeb dua nyob rau hauv high-end teb xws li cov tuam txhab loj loj hauv tsev thiab txawv teb chaws, tshuaj excipients, zaub mov additives, thiab PVC. Txhawm rau txhim kho kev sib tw ntawm cov khoom lag luam, cov tuam txhab tsim khoom yuav tsum xyuas kom meej tias qhov zoo thiab ruaj khov ntawm cov khoom sib txawv ntawm cov cellulose ether uas lawv muab tau tuaj yeem khaws cia rau lub sijhawm ntev, thiaj li tsim tau lub koob npe nrov ntawm kev lag luam.
(2) Kev txhim kho qib ntawm cov khoom siv thev naus laus zis yog kev txhim kho cov kev taw qhia ntawm kev lag luam hauv tsev cellulose ether
Nrog rau kev paub ntau lawm technology ntawmcellulose ether, qib siab dua ntawm daim ntawv thov thev naus laus zis yog qhov tsim nyog rau kev txhim kho kev sib tw ntawm cov lag luam thiab tsim kom muaj kev sib raug zoo ntawm cov neeg siv khoom. Cov tuam txhab paub zoo cellulose ether hauv cov teb chaws tsim kho feem ntau yog siv lub tswv yim kev sib tw ntawm "tawm cov neeg siv khoom loj loj + tsim cov kev siv qis thiab kev siv" los tsim cov cellulose ether siv thiab siv cov qauv, thiab teeb tsa cov khoom lag luam raws li cov ntawv thov sib txawv los pab txhawb cov neeg siv khoom siv, thiab cog qoob loo hauv qab kev lag luam xav tau. Kev sib tw ntawm cellulose ether kev lag luam hauv cov teb chaws tsim tau ploj mus los ntawm cov khoom nkag mus rau kev sib tw hauv kev siv thev naus laus zis.
Lub sij hawm xa tuaj: Plaub Hlis-25-2024