Unveiling lub zog ntawm cov thee sar s taub hau: ib qho kev qhia dav dav

Zoo siab txais tos! Kuv yog allen, thiab los ntawm kuv lub Hoobkas nyob rau hauv Suav teb, nruab nrog xya cov kab ntau lawm, peb tau ua ntej ntawm kev tsim khoom thiab xa tawm cov txiaj ntsig zooDaim Tar Khoom Pob Zeb Siv Hluav Taws Xob thiab roj Cokerau xyoo. Kab lus no ua ke mus rau hauv ib ntawm peb lub pob kws khoom siv:Cour tar pitchCov. Koj yuav kawm txog nws muaj pes muaj pes tsawg leeg, yuav ua li cas nws tau siv ntau, thiab vim li cas nws tseem ceeb heev rau cov neeg siv khoom xws li Markson hauv Asmeskas. Yog tias koj tab tom nrhiav kom nkag siab txog cov khoom no ntau yam, los ntawm nws lub luag haujlwm hauv txhuas smelting rau kev kev siv, koj nyob hauv qhov chaw yog. Cov lus qhia no muaj nqis rau kev nyeem ntawv vim nws demystifiesCour tar pitch, muab kev pom ntawm lub caij tsim khoom lag luam lub tswv yim pom zoo, daws cov kev txhawj xeeb ib txwm muaj, thiab qhia txog nws qhov tseem ceeb tshaj plaws.

Yuav ua li cas xyov yog thee sar pitch? Unpack nws muaj pes tsawg leeg

Thaum peb tham txogCour tar pitch, peb tab tom xa mus rau tuab, dub, lossis tsaus-xim av amorphousnyobCov. Nws yog dab tsi tseem nyob tom qabdistillation ntawm thee tarlos yog cov fortional distillation ntawmcrude thee theeCov. Xav txogdaim yas theenws tus kheej raws li atus yeeb yaj kiabntawm kev uacoekntawmbituminous theeThaum lub sij hawm high-kub carbonancation nyob rau hauvcoekncu. Nodaim yas theeyog ib qho sib xyaw ua ke, muaj ntau pua, txawm tias ntau txhiab, ntawm cov tshuaj lom neegtebchawCov. TussuabFeem yog qhov hnyav tshaj plaws ntawm qhov sib xyaw no.

TusKev sib xyaw ntawm cov thee tar pitchyog feem ntau muaj kev txaus siab ntawm polycyclicyeeb yaj kiabHydrocarbons (Pahs), nrog rau lawv heterocyclic analogues thiab alkylated derivatives. Tej noCov tebcom aromaticyog dab tsi muabCour tar pitchNws cov khoom tshwj xeeb. Thaum lub sijhawmKev sib xyaw ntawm cov thee tarthiab nwssuabtuaj yeem sib txawv raws li qhov ntawm lubtheethiab cov txheej txheem carbonancation, nws feem ntau suav nrog cov tshuaj zoo libenzene, phenol, naphthalene, thiabyam tseem ceebnyob rau hauv nws obter leb feem, nrog tussuabUa ib txoj kev nyuajpolymerizationcov khoom ntawm cov no. Nws yog ib tug heevlojUa kua rau ntawm ntug dej kub tab sis dhau los ua ib qho nyuaj, brittle sat ntawm chav tsev kub. NwsSoftening pointyog tus cwj pwm tseem ceeb tau siv los cais ntau homsuab.

Ua lub Hoobkas, peb tau ua tib zoo mloog rau cov khoom no. Piv txwv li cov qhua tuaj noj mov zoo li MarkSon, cov khoom sivdaim yas theecov khoom lag luam rau ntau cov ntawv thov, suav nrog txhuas smau thiab steel mills, tso siab rau qhov zoo ib yam ntawm covsuabCov. Qhov tshwj xeeb sib xyaw ntawmCov tebcom aromatictxiav txim nws haum raws li aphau ntawvlossis rau lwm yam kev siv. Tussuabyog feem ntauinsolublehauv dej tab sis tuaj yeem yaj los ntawm qee cov organicraws dawsnyiampyridinelossisbenzeneCov. Nkag siab qhov no cov xwm txheej yog thawj kauj ruam ntawm kev txaus siab vim li casCour tar pitchyog li tsis tseem ceeb hauv kev lag luam ntau. Peb ua kom pebHigh-zoo nqus pob zebua tau raws cov qauv txheej txheem no.

Yuav ua li cas yog thee sar pitch ua? Saib ntawm cov txheej txheem tsim khoom

TustsimntawmCour tar pitchyog cov txheej txheem meticulous uas pib nrogdaim yas thee, uas, raws li kuv tau hais, yog aLos ntawm cov khoom lag luamtau los ntawm cov pa roj carbonation ntawmtheelos tsimcoekCov. Ntawm peb cov chaw, peb pib nrog qhov zoocrude thee theeCov. Qhov no tar yog ces raug rau fertalal distillation. Xav txog cua kub lubdaim yas theemaj mam; txawvtebchawTsis pub dhau nws yuav rhaub ntawm qhov kub. Cov roj sib zog, xws li cov roj teeb (muajbenzene, toluene, xylene), roj carbolic (muajphenolthiab cresols),naphthaleneroj, ntxuav roj, thiabyam tseem ceebRoj, tau sau raws li cais cov feem.

Dab tsi yog sab laug tom qab cov khoom sib hloov no raug tshem tawm yog lubCour tar pitchCov. Nonyobyog qhov hnyav tshajfeemthiab muaj qhov siab tshaj plawsSoftening pointCov. Cov ntawm distillation txiav txim siab cov khoom ntawm zaum kawgsuab, xws li nwsviscositythiabsofteningCov yam ntxwv. Peb tuaj yeem tswj cov txheej txheem los tsim cov qib sib txawv ntawmsuab, suav nrog mos, nruab nrab, lossis nyuajsuab, ua kom haum rau cov ntawv thov tshwj xeeb. Piv txwv li, tussuabdestined yuav aphau ntawvnyob rau hauvSiv thiab ua cov electrodesxav tau cov khoom tshwj xeeb tshaj plaws.

Tag nrho cov txheej txheem yog ua tib zoo saib xyuas kom ntseeg tau tias qhov zoo thiab xwm yeem ntawm Phau Ntawv MaumoosCour tar pitchCov. Qhov no suav nrog kev tswj qhov kub thiab txias thiab ntsuas kub thiab siv tau zoo ntawm cov feem ntau universate. Lub txiaj ntsigsuabTom qab ntawd tuaj yeem ua tiav txuas ntxiv, kab tias mus ua plaub ntug lossis kev thauj mus los rau peb cov neeg siv khoom hauv Asmeskas, Europe, thiab Australia. Ua kom muaj kev ntseeg siabtsimCov txheej txheem yog qhov tseem ceeb vim tias kev lag luam nyob ntawm cov khoom no. Piv txwv li,Ncuav qab zib, lwm cov khoom muaj txiaj ntsig, yog muab tau los ntawm kev kho cua sov ntxiv ntawmCour tar pitchCov. Lub hom phiaj yog ib txwm ua kom tiav cov nqi hluav taws xob ntawm txhua tusfeem tsim los ntawm cov thee.

Cov thawj siv tseem ceeb ntawm cov tar thiab nws lub suab nrov li cas?

Tussiv ntawm cov thee tarthiab nws derivative,Cour tar pitch, yog muaj ntau yam sib txawv, kov ntau cov kev lag luam. Keeb Kwm,daim yas theetau siv siv rau cov phiaj xwm tshuaj, ntseeg tias nws lossis tsis kho cov tawv nqaij zoo lipororiasisthiabtej yam huv sinyob rau hauv daim ntawv ntawm ointments, cream, thiabtshuaj ntxhua plaub hauCov. Txawm niaj hnub no, qee yam tshuajzawv plaub haukawdaim yas theelos pab nrogdandruffthiab tawv taub haupororiasisCov. Txawm li cas los xij, feem coob ntawmCour tar pitchCov khoom lag luam thoob ntiaj teb xav tau.

Ib qho tseem ceeb tshaj plawssiv ntawm cov thee tar suabyog ibphau ntawvCov. Nws yog ib qho zoo heevphau ntawvrau cov ntaub ntawv carbon, ua rau nws tseem ceeb hauvSiv thiab ua cov carbon thiab graphite electrodesrau hluav taws xobarc rauvsiv hauv steelmaking thiab rautus tsanyob rau hauvTxhuas Kev Lag Luam(tshwj xeeb rauAluminium smelting). Tussuabpab tuav lubcoekhais ua ke thiab muab hluav taws xob tsim nyog siv hluav taws xob thiab lub zog ntawmKev Kub SiabCov. Peb kuj tseem tsimmuaj ntau hom ntawv, suav nrog cov flakes thiab cov blocks, kom haum cov txheej txheem tsim khoom. Lwm cov ntawv thov tseem ceeb rauSuab suav nrogNws siv nyob rau hauvCov tsho hlau degthiabximCov qauv tsim, muab cov waterproofing zoo thiab tiv thaiv corrosion. Nws tau siv raulees xi meesTxoj kev thiab hauv cov ntaub ntawv vov tsev vim nws lub siab thiab dej tsis kam.

Tsis tas li ntawd, hom tshwj xeeb ntawmsuab, xws liNcuav qab zib, yog tsim tawm rau cov ntawv thov uas xav tau cov pa roj carbon ntau thiab tsis tshua muaj kev cuam tshuam, zoo li hauvkhoom sivKev lag luam lossis ua cov pa roj ntxiv hauv cov txheej txheem steel. Cov versatility ntawmCour tar pitchtxhais tau tias cov qhab nia tshwj xeeb yog tsim los rau kev siv cov kev siv. Piv txwv li, ib softersuabtej zaum yuav siv rau waterproofing, thaum ib tug nyuajsuabnrog siab duaSoftening pointyuav tsum muaj raukhoom siv hluav taws xobkev tsim khoom. Nws lub peev xwm los ua cov nyiaj sib zog thiab tiv thaiv kev txom nyem ib puag ncig uaCour tar pitchCov khoom uas tau hais tias, txawm tias nws muaj keeb kwm ntev, tseem ceeb heev. Peb txawm pom kev thov kom tshwj xeeb asphalt khoom, uas qhia qee cov khoom siv hauv paus, zoo li pebTshwj xeeb asphalt khoom rau cov roj av.

Vim li cas thiaj yog cov thee sar pitch yog qhov tseem ceeb heev hauv txhuas thiab steel Industries?

Cour tar pitchua si ib qho tseem ceeb kiag li lub luag hauj lwmphau ntawvnyob rau hauvTxhuas Kev Lag Luamthiab hlau rau. Cia tham txog txhuas ua ntej. Kev tsim cov thawj txhuas kev sib haum xeeb ntawm kev ua haujlwm hauv chav Xus, uas cuam tshuam nrog kev txo electrolytic ntawm alumina. Cov txheej txheem no yuav tsum muaj cov pa roj carbon ntautus tsaCov. Tej notus tsatau noj thaum lub sijhawm smelting, thiabCour tar pitchyog tus nyiamphau ntawvrau cov roj avcoeklossisNcuav qab zibaggregates uas tsim cov notus tsaCov. Qhov zoo tshaj ntawm lubsuabcuam ​​tshuam ncaj qha rau cov kev ua tau zoo thiab lub neej ntawm covnaj hoom, cuam tshuam rau kev ua tau zoo ntawmAluminium smeltingCov. Cov khoom tseem ceeb xws li cov khoom tseem ceeb, muaj peev xwm ntub lub peev xwm, thiab tsawg ntawm impurities (zoo lileej mosthiab tshauv) yog qhov tseem ceeb.

Hauv kev lag luam steel,Cour tar pitchyog qhov tseem ceeb rau kev tsim cov khoom lag luam graphiteCov Hluav Taws XobCov. Tej noCov Hluav Taws Xobyog siv hauv hluav taws xobarc rauv(EAFs) rau yaj seem steel thiab tsim cov hlau tshiab. EAF khiav hauj lwm heevKev Kub Siab, thiab tusCov Hluav Taws XobYuav tsum tiv thaiv cov mob thaum muab hluav taws xob hluav taws xob zoo.Cour tar pitchUa raws li tusphau ntawvRaucoekhais (feem ntauKoob coke) Siv los ua cov graphiteCov Hluav Taws XobCov. Nws tseem siv nyob rau hauvtsimntawmkev refactorycov ntaub ntawv, uas yog qhov tseem ceeb rau ob sablub tshuab ziablawv tus kheej, tiv thaiv lawv los ntawm cov cua sov. Tussuabcarbonizes ntawm cov txheej txheem ci ntawm lubkhoom siv hluav taws xoblossiskev refactorycib, tsim kom muaj kev sib txuas lus carbon.

Rau cov neeg siv khoom xws li MarcountMus, uas muab cov lag luam no, muaj kev sib xws thiab qhov zoo ntawm covCour tar pitchyog tsis muaj kev sib ceg. Ib qho txawv me ntsis nyob rau hauvsuabCov teeb meem zoo tuaj yeem ua rau muaj teeb meem tseem ceeb hauvkhoom siv hluav taws xobkev ua tau zoo, xws li kev nce kev nce qib lossis tsis ua tiav. Yog vim li cas, ntawm peb lub Hoobkas, peb ua raws li kev tswj hwm zoo rau kev tswj hwm rau txhua txoj hlua ntawmCour tar pitchdestined rau lubTxhuas Kev Lag Luamlossis steel mills. Qhov kev thov rau high-puritysuabNrog rau tshwj xeebSoftening cov ntsiab lusthiab COKING qhov tseem ceeb ua rau peb tsom mus rau qhov tseeb hauv pebdistillation ntawm cov theetar.

Tshawb nrhiav cov pob zeb lim thee hauv cov vov tsev thiab cov dej qias neeg

Tshaj li nws cov kev siv kub siab-,Cour tar pitchMuaj keeb kwm ntev thiab muaj kev vam meej hauv lub ru tsev thiab waterproofing. Nws cov khoom siv dej-resistant ua rau nws xaiv tau zoo heev rau kev tsim kom ruaj khov thiab ntev-tiv thaiv ntevdaim plhaub. Thaum siv nyob rau hauv runtant-up vov tsev (bur) tshuab, txheej ntawmCour tar pitchyog hloov nrog kev txhawb nqa cov ntaub los tsim kom muaj zog, monolithic waterproof yaj. Hom ntawm noru tsevyog paub rau nws lub sijhawm ntev thiab muaj peev xwm los ua rau nws tus kheej kho tus menyuam yaus menyuam yaus, tshwj xeeb yog nyob hauv cov ntawv thov tiaj tiaj lossis qis-vov tsev.

TuslojXwm ntawm rhuabCour tar pitchTso cai rau nws ntws mus rau hauv thiab foob tawg thiab crevices, muab kev tiv thaiv zoo dua rau cov dej ingress. Nws kuj tseem tiv taus ntau yam tshuaj lom neeg thiab rau txoj kev loj hlob ntawm keeb kwm, uas yog vim li cas nws feem ntau favored rau plaza lawj thiab ru tsev ntsuab. TussuabUa cov ntawv muaj zog, cov nplaum nplaum kom ua rau ntau yam. Thaum niaj hnub niaj hnub muaj,Cour tar pitch-Based cov kab ke yog tseem teev rau cov phiaj xwm xav tau kev ua tau zoo siab thiab lub neej ntev, qhov twg cov kav dej yog qhov kev txhawj xeeb, raws liCour tar pitchyog tsis degraded los ntawm lub caij nyoognphavrau dej.

Txawm li cas los xij, nws yog ib qho tseem ceeb kom nco ntsoov tias kev siv ntawmCour tar pitchHauv cov ntawv thov no yuav tsum tau saib xyuas vim yognphavCov kev txhawj xeeb, uas kuv yuav chwv tau tom qab. Tussuabyuav tsum tau ua kom sov rau qhov kub kom sov kom ua tiav txoj caiviscosityRau daim ntawv thov. Lub txiaj ntsigdaim plhaubyog tawv thiab resilient. Thaum cov xim dub tuaj yeem ua rau muaj qhov kub siab dua, qhov no tuaj yeem raug txiav nrog cov yeeb yaj kiab. Rau peb, kev tsim khoomsuabHaum rau cov noCov tsho hlau degtxhais tau tias yog txoj caiSoftening pointthiab ntws cov yam ntxwv, txawv ntawm qhov nyuajsuabsiv rauCov Hluav Taws XobCov. Cov versatility no hauvHom suabyog ib tug namark ntawmdaim yas theeua.

Puas muaj cov qib sib txawv ntawm cov pob zeb thee? Nkag Siab Kub

Yog lawm, kiag li!Cour tar pitchtsis yog ib-qhov loj-haum-txhua cov khoom siv. Nws tau faib rau hauv cov qib sib txawv raws li nwsSoftening point, uas yog qhov kub ntawm uas lubsuabPib muag thiab ntws raws li cov kev ntsuas tshwj xeeb. Cov cuab yeej no yog qhov tseem ceeb vim tias nws sau ua li cassuabyuav coj tus cwj pwm nyob rau hauv nws kawg siv daim ntawv thov. Tusdistillation ntawm thee tartuaj yeem tswj tau los tsimsuabnrog ntau yam ntawmSoftening cov ntsiab lus.

Peb feem ntau categorizeCour tar pitchrau hauv:

• Mos Suab:Hom no muaj qis duaSoftening pointCov. Nws yog ntau pliable thiab feem ntau siv nyob rau hauv cov ntawv thov nyiam waterproofing, kev Tars, thiab qee homximthiabdaim plhaubqhov twg hloov tau yog qhov tseem ceeb.
• Nruab nrab kub suab kub:Nov yog qeb ntau yam. Peb liNruab nrab kub ayhaltcov khoom poob rau hauv pawg no, haum rau ntau cov ntawv thov khi, suav nrog qee qhovkev refactorycov khoom lag luam thiab impregnation.
• Hard suab (kub suab kub):Nosuabmuaj lub siabSoftening pointThiab yog ntau nkig ntawm chav sov. Nws yog qhov tseem ceeb rau cov ntawv thov uas xav tau lub zog siab thiab ruaj khov ntawm kev nce siab kub, xws li covSiv thiab ua cov electrodesRau txhuas thiab steel Industries (Carbon thiab Graphite Thround), thiab rau kev tsim cov khoom zooNcuav qab zibCov. Peb liXav kub ayphaltyog engineered rau cov kev siv xav tau no.

Dhau ntawmSoftening point, lwm yam ntxwv xws li Coking tus nqi (tus nqi ntawmCarbonized residuesab laug tom qab cua sov), quinoline insoluble (ti) cov ntsiab lus, toluene insoluble (ti) cov ntsiab lus kuj tseem pab tau los piav cov qhab nia thiab kev haum xeeb ntawm covCour tar pitchrau cov hom phiaj tshwj xeeb. Piv txwv li,khoom siv hluav taws xobkev tsim khoom yuav tsum muajsuabnrog tus nqi coking siab thiab cov tshauv thiableej moscov ntsiab lus. Ua chaw tsim khoom lag luam, peb ua haujlwm ze nrog cov neeg yuav khoom xws li MarkSon kom nkag siab txog lawv cov kev xav tau thiab muab covHom suabuas tau yuam kev uas lawv cov kev qhia tshwj xeeb, ua kom muaj kev ua tau zoo hauv lawv cov txheej txheem, txawm hais tias nws yog rauAluminium smeltinglossis tsim tshwj xeeblub khi.

Sourcing thee tar suab: Dab tsi yog qhov tseem ceeb ntawm cov neeg yuav khoom txiav txim siab?

Rau cov neeg yuav khoom xws li Markson, uas yog tus tswv ntawm lub tuam txhab thiab tseem muaj cov tub ceev xwm tshaj lij, sourcingCour tar pitchLos ntawm cov neeg xa khoom thoob ntiaj teb nyiam peb hauv Suav koom nrog ntau qhov kev txiav txim siab tseem ceeb. Mark yog qhov zoo tshaj plaws tab sis kuj tseem pom tus nqi sib tw, ib qho kev sib tw hauv B2B kev sib tw. Nws qhov chaw yuav khoom tseem ceeb yog tsim cov tebchaws, thiab feem ntau pom cov neeg xa khoom los ntawm kev nthuav dav thiab Google tshawb.

Ntawm no yog cov tseem ceeb heev cim, thiab tseeb txhua tus neeg yuav khoom, yuav tsum tsom rau:

1. Kev tshuaj xyuas thiab muaj txiaj ntsig zoo:Nov yog qhov tseem ceeb. Tussuabyuav tsum ua raws li cov lus qhia uas yuav tsum muaj -Softening point, Coking tus nqi, qi, tshauv cov ntsiab lus, thiab lwm yam uas thov cov khoom siv tau muaj zog tswj tau yog qhov tseem ceeb. Ntawm kuv lub Hoobkas, peb tau hais txog peb cov kab ntau yam thiab nruj me ntsis rau cov qauv haujlwm thoob ntiaj teb los lav qhov no.
2. Muaj ntawv pov thawj:Cov neeg yuav khoom yuav tsum saib rau cov neeg muab khoom nrog cov ntawv pov thawj cuam tshuam, xws li ISO cov qauv rau kev tswj hwm zoo thiab ib puag ncig ua raws. Hmoov tsis, Mark tau ntsib cov ntawv pov thawj kev dag los ntawm lwm tus neeg muag khoom, uas qhov tseem ceeb ntawm kev rau siab. Peb ib txwm muab pob tshab thiab cov ntaub ntawv pov thawj.
3. Logistics thiab cov khoom xa tuaj kev ntseeg tau:Cov khoom xa tuaj qeeb tuaj yeem cuam tshuam ntau ntau yam khoom caij, ib qho kev mob loj rau Mark. Yuav kom muaj peev xwm ntim tau zoo, xws li ntim kom tsim nyog (E.g. Peb xa tawm mus rau Tebchaws Asmeskas, North America, Europe, thiab Australia, yog li peb muaj kev paub ntau hauv kev tswj hwm cov thoob ntiaj teb logged complex.
4. Kev sib txuas lus nrog cov khoom xa khoom:Mark tau ntsib qhov sib txuas lus tsis zoo nrog cov neeg sawv cev muag. Ntshiab, sai sai, thiab kev sib txuas lus technically yog qhov tseem ceeb. Txawm hais tias Mark yog paub hauv kev muag khoom, nws tsis muaj kev txawj sib sib zog nqus kev txawj ntse hauvCour tar pitch, yog li muaj ib tug neeg xa khoom uas tuaj yeem piav qhia cov lus qhia meej kom pom tseeb yog qhov txiaj ntsig. Kuv pab neeg thiab kuv siv zog ua khub, tsis yog cov neeg muab khoom.
5. Kev them nyiaj:Kev nyab xeeb thiab kev pom zoo cov ntsiab lus tseem ceeb rau kev ua kom muaj kev ntseeg siab thiab ua tiav cov khoom lag luam du.
6. Nkag siab txog qhov kawg siv:Tus neeg xa khoom zoo yuav tsum nkag siab tias lawv li casCour tar pitchyuav siv (piv txwv li, rauCov Hluav Taws Xob, kev refactoryKhoom siv,txheej) Kom ntseeg tau tias lawv muab cov lus qhia tsim nyog tshaj plaws thiab muab cov lus qhia cuam tshuam. Nov yog peb cov kws tshaj lij los rau hauv, pab cov qhua tuaj yeem xaiv txoj caiHom suab.
7. Tus nqi:Thaum zoo yog qhov tseem ceeb, tus nqi sib tw kuj yog tus tsav tsheb. Cov neeg yuav khoom feem ntau muab cov lus piv rau, tab sis nws yog ib qho tseem ceeb uas yuav tau xav txog tag nrho cov nqi ntawm cov tswv cuab, suav nrog cov khoom lag luam zoo, thiab cov khoom lag luam uas tsis muaj peev xwm.

Hais txog cov kev txhawj xeeb no pab tsim kev sib raug zoo ntev. Thaum Mark mus koom cov kws nthuav tawm, cov no yog cov ntsiab lus nws tau ntsuas nws tau ntsuas thaum nws ntsib cov neeg xa khoom uas muaj peev xwm ntawmCour tar pitchthiabRoj av coke.

Tshaj li Twitch: Dab tsi yog lwm cov khoom muaj txiaj ntsig tsim cov pob zeb tawg?

ThaumCour tar pitchyog lub hnub qubnyobntawmCourt tar distillation, cov txheej txheem sib dua ntawm cov txheej txheem no kuj muaj txiaj ntsig zoo.Daim yas theeyog cov khoom muaj nqis trove ntawmCov tebcom aromatic, thiab cais lawv tso cai rau ntau yam tshuaj lom neeg pub mis thiab cov khoom lag luam. Cov leb feem no tau distilled tawm ntawm qhov kub kub sib txawv.

Qee qhov tseem ceeb ntawm cov tseem ceeb, lossis distillates, tau ua ntej peb tau txais mus rausuabXws li:

• Lub teeb roj (txog li 170 ° C):NofeemMuajbenzene, Toluene, thiab xylenes (BTX), uas yog cov vaj tsev nyob ruaj ruaj rau kev lag luam tshuaj lom neeg, siv nyob rau hauv kev tsim kev lag luam, siv hluavtaws, dyes, thiabraws dawsCov. Nws tseem muaj qee yampyridineHauv paus.
• Cov roj carbolic lossis roj nruab nrab (170 ° C - 230 ° C):Qhov no nplua nuj nyob hauvphenol, cresols, thiab xylenols, sib sau ua ke ua tar acids.Phenolyog cov khoom lag luam loj siv los tsim cov phenolic resins (zoo li Bakelite), bisphenol a (rau polyclolactam), thiab caprolactam (rau nyrolactam (rau cov nylon). NofeemKuj muajnaphthalene.
• Naphthalene roj (200 ° C - 250 ° C):Raws li lub npe qhia, qhov no yog thawj qhov chaw ntawmnaphthalene. Naphthaleneyog siv los tsim cov phthalic anhydride (rau cov tshuab yas, cov resins, thiab dyes), nrog rau moteballs, surfactants, thiab lwm yam tshuaj lom neeg.
• Ntxuav roj (230 ° C - 290 ° C):Nofeemyog siv los ua tus kws tu plaub kom nqus taubenzenethiab lwm yam volatileCov tebcom aromaticLos ntawm Cokke cub roj. Nws muaj ntau dua boilingnaphthalenederivatives thiab lwm yamCov tebcom aromatic.
• Anthracene Roj lossis roj ntsuab (290 ° C - 360 ° C thiab siab dua):Qhov no yog cov roj hnyav tshaj plawsfeemua ntejsuabCov. Nws yog thawj qhov chaw ntawmyam tseem ceeb, Phenanthrenue, thiab Carbazole.Yam tseem ceebyog siv los ua anthraquinone, ua ntej ua ntej rau kev tuag. Cov roj no nws tus kheej kuj tseem tuaj yeem siv rau kev txuag ntoo (ua ib feem ntawmcraosote thiab thee-tar pitchKev sib xyaw ua ke) lossis raws li ib lub pub mis rau kev ua cov pa roj carbon dub.

Kev sib cais ua tau zoo thiab huv ntawm cov leb feem ntau yog qhov tseem ceeb rau kev ua kom tiav tus nqi tau muab los ntawmcrude thee theeCov. Nyiassib xyawlossis pab pawg ntawmtebchawmuab cov kev ua lag luam tshwj xeeb, thiab lawv cov kev pab cuam uas ua rau lawv cov kev pab cuam uas tseem ceeb rau tag nrho cov lag luam ntawmtheeua. Yog li, thaum peb tham txogdaim yas thee, nws yog ntau tshaj lisuab; Nws yog ib qho nyuaj ntawm ntau yam tshuaj lom neeg.

Kev nkag siab txog kev ua haujlwm rau cov pob zeb ua haujlwm: kev nyab xeeb ua ntej

Kev nyab xeeb yog qhov tseem ceeb tshaj plaws thaum cuam tshuam nrogCour tar pitch, tshwj xeeb hais txogKev Ua Haujlwm Kev Ua Haujlwm. Cour Tar Suab Volatiles(Ctpvs) - cov pa taws thiab plua plav tawm thaumsuabyog rhuab lossis daws - muaj polycyclicyeeb yaj kiabhydrocarbons (PAHS), qee qhov paub lossis xav tias xavCarcinogensCov. Yog li ntawd, tswj hwmRaug rau cov thee sar pitchyog qhov tseem ceeb tshaj plaws hauv kev lag luam uas nws tau siv.

Kev Ua Haujlwm Kev Ua Haujlwmtuaj yeem tshwm sim los ntawmsiv nqus tauntawm fumes thiab hmoov av,kev sib cuag dermalnrog cov khoom siv, lossis kev noj (txawm tias tsawg dua). Ntev los yog ntau dhaunphavtuaj yeem ua rau ntau yam kev noj qab haus huv tsis zoo. Lub sij hawm luv luvnphavtej zaum yuav ua rauDaim tawv nqaij voos, qhov muagkev thab plaub, thiabKev ua pa nyuajCov. Lub hnub ci tuaj yeem ua rau cov tawv nqaij exacerbate (cov duab kos) hauv cov tib neeg raugdaim yas theeCov khoom lag luam. Lub sijhawm ntevnphav, tshwj xeeb rau CTPVs, tau txuas nrog kev pheej hmoo siab ntawmmob kha xaw, suav nrogdaim tawv nqaij cancer, ntsws, zais zis, thiab raummob kha xawCov. Lub koom haum thoob ntiaj teb rau kev tshawb fawb txog mob qog noj ntshav (iarc) caisCour tar pitchRaws li pab pawg 1carcinogen(Carcinogenic rau tib neeg).

Kom txo qis kev pheej hmoo cuam tshuam nrograug rau cov thee tar, cov chaw ua haujlwm siv ntau yam kev ntsuas:

• Engineering Pawg:Qhov no suav nrog kev siv cov kab ke sib xyaw, tso pa hauv zos kom ntes cov pa taws ntawm qhov chaw, thiab cov khoom siv kom zoo.
• Tswj tswj:Txwv cov neeg ua haujlwm lub sijhawm siv nyob rau hauv cov chaw muaj peev xwmnphav, qhia kev cob qhia kev nyab xeeb kev coj ua, thiab tsim cov txheej txheem ua haujlwm ntshiab.
• Cov Khoom Siv Tiv Thaiv Tus Kheej (PPE):Qhov no yog qhov tseem ceeb thiab suav nrog cov pa ua pa (tshwj xeeb tshaj yog thaum cua sovsuab), cov hnab looj tes tiv thaiv cov hnab looj tes, cov kev tiv thaiv, thiab qhov muag tiv thaiv kom tsis txhobkev sib cuag dermalthiabsiv nqus tau.
• Saib Xyuas Kev Noj Qab Haus Huv:Kev Kuaj Xyuas Kev Noj Qab Haus Huv Rau Cov Neeg Ua Haujlwm nrog Cov Neeg Ua Haujlwmnphav.

Txawm hais tiasdaim yas theetau siv nyob rau qee cov tshuaj pleev ib yam rauDaim tawv nqaij tsis zoonyiampororiasisthiabtej yam huv si(Vim tias nws cov tshuaj tiv thaiv thiab cov tshuaj tiv thaiv kab mob), cov ntsuas hluav taws xob yog feem ntau tsawg thiab rau kev kho cov mob. Yam muaj hauj lwmnphavyog cov teeb meem sib txawv thiab yuav tsum muaj kev tswj hwm nruj. Raws li lub chaw tsim khoom lag luam muaj kev tiv thaiv, peb ua kom peb cov neeg ua haujlwm lossis peb muab cov ntaub ntawv tswj hwm kev nyab xeeb zoo li Markson, kev paub cov txheej txheem kev nyab xeeb rau pebCour tar pitchCov khoom lag luam. Qhov kev cog lus no rau kev nyab xeeb yog qhov tseem ceeb vim tias thaum lub sijhawmCour tar pitchyog ib qho khoom siv muaj txiaj ntsig zoo, nws txoj kev xav tau kev hwm thiab kev ua raws kev nyab xeeb rau kev tiv thaivKev Noj Qab Haus HuvCov txiaj ntsig tau.

Lub neej yav tom ntej ntawm thee tar pitch: nrhav kev nrhav thiab peb kev cog lus

Ua tus tswv tsev hauv Suav teb, Kuv, Allen, pom yav tom ntej rauCour tar pitchUas yog puab los ntawm ob qho kev tsim kho tshiab thiab muaj kev pom tseeb ntawm kev ruaj ntseg. Thaum nws yog ib txwm cov khoom siv, nws cov khoom tshwj xeeb, tshwj xeeb tshaj yog li aphau ntawvNyob rau hauv cov ntawv thov siab-kub thiab rau tshwj xeebtxheej, xyuas kom meej nws txuas ntxiv qhov tseeb. Lub tsav tsheb rau kev ua haujlwm siab hauv kev lag luam zoo liAluminium smeltingthiab kev tsim cov hlau txhais tau tias yog qhov xav tau rau kev ua tau zoo duasuabNrog cov yam ntxwv tshwj xeeb heev - qis duaPahscov ntsiab lus uas ua tau, coking zoo tshaj plaws, thiab ntau duamesophaseKev txhim kho rau cov ntaub ntawv muaj carbon ntau.

Kev tsim kho hauvCour tar pitchKev ua tej zaum yuav koom nrog ntau dua distillation cov txheej txheem kom ntxiv cov leb feem, lossis hloov kho rau covsuabnws tus kheej los txhim kho kev ua tau zoo lossis txo kev cuam tshuam ib puag ncig. Piv txwv li, tshawb nrhiav mus ua kev tsim khoomsuabnrog cov qauv molecular lossis tsim tshiabpolymerizationCov tswv yim tuaj yeem ua rau "tus tsim qauv"suabCov khoom lag luam rau cov ntawv thov tam sim no. Kuj tseem muaj kev ua haujlwm tsis tu ncua hauv kev lag luam kom txo taukev tso tsegtheem thaum siv, tshwj xeebCour Tar Suab VolatilesCov. Qhov no suav nrog cov cua sov zoo dua, txhim kho cov txheej txheem foldures, thiab cov peev txheej tom qab kev kho mobpa ncho.

Peb txoj kev cog lus ntawm ZGFY yog mus txuas ntxiv ua tus muab kev ntseeg siab ntawmHigh-zoo thee cov khoom lag luam, suav nrogCour tar pitch, petroleumcoek, thiabhloov asphaltCov. Peb nqis peev nyob rau hauv peb 7 kab lus kom ntseeg tau kev ua tau zoo thiab zoo uas tau raws li cov qauv thoob ntiaj teb. Peb nkag siab txog cov kev txhawj xeeb ntawm cov neeg yuav khoom xws li Marktxson txog kev ua kom zoo, txhim khu kev qha ntawv, thiab pob tshab sib txuas lus. Peb nquag koom nrogkev nthuav tawmTxhawm rau txuas nrog cov neeg siv khoom thiab nyob rau hauv kev ua haujlwm ntawm kev lag luam kev lag luam. Peb ntseeg tias los ntawm kev tsom mus rau cov khoom lag luam zoo, lub luag haujlwm tsim khoom (chaw nyobKev Ua Haujlwm Kev Ua Haujlwmthiab kev txhawj xeeb ib puag ncig), thiab cov neeg siv khoom xav tau kev pab,Cour tar pitchyuav nyob twj ywm cov khoom tseem ceeb. Qhov kev sib tw yog kom sib npaug nws cov kev tsim nyog nrog kev tswj hwm ib puag ncig thiab kev nyab xeeb ua haujlwm, muaj kev sib tw peb tau sib tw los sib ntsib. Txoj kev loj hlob ntawm kev ua haujlwm siab duaCarbonizedcov khoom lag luam, muab tau los ntawm superiorsuab, tseem yuav tsav lub sijhawm tom ntej.

Cov lus los ntawm lub ntiaj teb ntawmCour tar pitchqhia cov khoom siv uas yog ob qho tib si thaum ub hauv nws lub keeb kwm (raws li atus yeeb yaj kiabntawmtheeUa) thiab zoo kawg li niaj hnub hauv nws cov ntawv thov. Los ntawm enababling kev tsim cov khoom txhuas thiab hlau los tiv thaiv cov qauv nrog ruaj khovtxheej, nws cov versatility yog undeniable.

Tseem ceeb takaways kom nco ntsoov:

• Cour tar pitchyog dub,Nyob qhov chaw nyobntawmCourt tar distillation, nplua nuj nyob rau hauv polycyclicyeeb yaj kiabhydrocarbons (PAHS).
• Nws yog feem ntau tsim los ntawm cov fertionaldistillation ntawm thee tar, uas nws tus kheej yog atus yeeb yaj kiabntawmcoek tsimntawmbituminous thee.
• Tus yawm sijsiv ntawm cov thee tar pitch suav nrogRaws li ib qho tseem ceebphau ntawvnyob rau hauvSiv thiab ua cov electrodesRau txhuas thiab steel Industries, nyob rau hauvkev refactorycov ntaub ntawv, vov tsev, paving, thiabxim/daim plhaubCov ntawv thov.
• Cov qib sib txawv muaj nyob (mos, nruab nrab, nyuaj / kub) raws liSoftening pointthiab lwm yam khoom, ua kom haum rau kev siv tshwj xeeb zoo liAluminium smeltinganodes lossis txoj kevCov tsho hlau deg.
• QaubCour tar pitchyuav tsum tau ua tib zoo saib xyuas kom zoo, cov ntawv pov thawj, kev sib txuas lus, chaw muag khoom, thiab kev nkag siab ntawmKev Ua Haujlwm Kev Ua Haujlwmkev pheej hmoo.
• Daim yas theekuj yauv lwm cov leb feem ntau zoo libenzene, phenol, naphthalene, thiabAnthracene Roj, tseem ceeb rau kev lag luam tshuaj lom neeg.
• Kev nyab xeeb yog qhov tseem ceeb tshaj plaws: tswj hwmRaug rau cov pob zeb volatilesyog qhov tseem ceeb vim muaj peev xwm txaus ntshai, suav nrogmob kha xaw, xav tau cov kev tswj hwm engineering, PPE, thiab ua haujlwm kev nyab xeeb.
• Lub neej tom ntejCour tar pitchCov lus dag nyob rau hauv txuas ntxiv thev naus laus zis rau cov qhab nia zoo dua, cov qhab nia tshwj xeeb, thiab kev tsim cov kev tsim khoom.

Raws li Allen, Kuv txaus siab ua lub Hoobkas uas ua rau cov khoom tseem ceeb rau kev lag luam thoob ntiaj teb. Peb nkag siab txog cov neeg xav tau ntawm cov neeg siv khoom xws li Markson thiab tau mob siab muab cov khoom tsis yog xwb, tab sis kev daws teeb meem thiab kev ntseeg tau.Cour tar pitch, nrog nws txawvphau ntawvMuaj peev xwm thiab lwm yam khoom, yuav txuas ntxiv ua cov khoom siv ua haujlwm tau ntau xyoo los.