Txhua qhov chaw ua lag luam uas hlawv roj lossis cov khoom siv xa cov pa roj mus rau ib pawg. Paub meej tias dab tsi yog nyob rau hauv cov roj flue - thiab ntau npaum li cas ntawm nws tawm ntawm cov nroj tsuag - yog tsis xaiv rau niaj hnub kev lag luam. Kev soj ntsuam emissions tsis tu ncua yog cov thev naus laus zis uas muab cov lus teb no tau txais, nyob ib ncig ntawm lub moos, thiab nws tau dhau los ua ib qho tseem ceeb tshaj plaws hauv kev tswj hwm ib puag ncig.
Hauv tsab xov xwm no, peb piav qhia qhov kev soj ntsuam tas li emission yog dab tsi, vim li cas kev lag luam xav tau nws, li cas a
Nruam emission monitoring system (CEMS) ua haujlwm, uas cov pa phem nws tuaj yeem ntsuas tau, thiab cov neeg yuav khoom ntawm cov khoom siv hluav taws xob txuas ntxiv mus saib xyuas cov roj flue yuav tsum ntsuas ua ntej txiav txim siab yuav khoom.
Dab tsi yog Kev Ntsuam Xyuas Kev Ua Phem Nruam Hauv Cov Ntsiab Lus Yooj Yim?
Kev soj ntsuam emissions tsis tu ncua (CEM) yog kev ntsuas lub sijhawm, ntsuas lub sijhawm ntawm cov pa phem hauv cov pa tso tawm los ntawm cov khoom lag luam lossis cov flue. Tsis zoo li kev kuaj xyuas ib ntus, uas khaws cov duab luv luv ntawm cov pa tawm, CEMS ntsuas thiab sau cov pa phem tsis tu ncua - feem ntau txhua ob peb feeb lossis feeb - thiab tshaj tawm lawv nyob rau hauv cov koog uas xav tau los ntawm cheeb tsam ib puag ncig, xws li mg / m³, ppm, lossis huab hwm coj emission npaum li kg / h lossis tonnes hauv ib xyoos.
Ib qho kev ua tiav tas mus li emission xyuas qhov system tsis yog ib qho cuab yeej. Nws yog ib qho kev sib koom ua ke uas feem ntau suav nrog:
- cov qauv rho tawm thiab txias cov khoom (probes, lim, coolers, twj tso kua mis);
- gas analyzers rau gaseous pa phem;
- particle teeb meem saib xyuas qhov xav tau;
- flow, kub, siab thiab noo noo sensors;
- Cov ntaub ntawv tau txais thiab tuav cov txheej txheem (DAHS) uas siv tau cov ntaub ntawv, xam qhov nruab nrab thiab tsim cov ntaub ntawv tswj hwm.
Lub hom phiaj ntawm CEMS yog qhov yooj yim: muab qhov tseeb, tiv thaiv, ib puag ncig-teev pov thawj ntawm qhov chaw tso tawm, yog li cov neeg ua haujlwm tuaj yeem nyob hauv qhov txwv tsis pub muaj kev cai lij choj thiab txhim kho lawv cov txheej txheem tib lub sijhawm.
Vim li cas Nruam Emission Monitoring Matters
Kev cai ua raws cai. Hauv cov cheeb tsam uas muaj kev lag luam feem ntau, cov chaw nres tsheb loj yuav tsum tau ua raws li txoj cai lij choj kom ua haujlwm tsis tu ncua emission xyuas cov cuab yeej. Hauv Tebchaws Meskas, EPA cov kev cai hauv qab 40 CFR Part 60 xav tau CEMS ntawm ntau qhov chaw nyob ruaj khov, thaum Tshooj 75 tau teeb tsa cov kev saib xyuas, ntawv pov thawj thiab tshaj tawm cov cai rau SO₂, NOₓ, CO₂, O₂, opacity, ntws thiab noo noo cov ntaub ntawv siv hauv emissions trading programs. Hauv European Union, Cov Lus Qhia Txog Kev Ua Lag Luam (2010/75/EU) xav kom cov neeg ua haujlwm ntawm cov nroj tsuag tawg loj thiab lwm yam kev teeb tsa los saib xyuas cov pa tawm, thiab EN 14181 muab cov txheej txheem kev lees paub zoo rau CEMS - los ntawm cov cuab yeej tsim nyog (QAL1) thiab hauv-situ calibration tiv thaiv cov kev siv txhua xyoo (QALveill) thiab kev tswj xyuas txhua xyoo (QALveill) (AST). Hauv Suav teb, lub teb chaws tus qauv HJ 75-2017 thiab HJ 76-2017 txhais cov kev cai, kev teeb tsa, thiab kev sim rau flue gas CEMS ntsuas SO₂, NOₓ thiab cov teeb meem ntawm qhov chaw nres tsheb.
Kev tshaj tawm pob tshab emissions. Ntau qhov chaw txiav txim siab luam tawm cov ntaub ntawv soj ntsuam emission los yog siv nws rau kev tso cai ua raws, emissions trading thiab carbon accounting. Cov ntaub ntawv credibility nyob ntawm tag nrho ntawm kev cia siab ntawm kev saib xyuas tom qab nws.
Kev ua haujlwm efficiency. Ib qho kev teeb tsa zoo CEMS ua ntau dua li cov neeg tswj hwm. Cov pa oxygen thiab cov pa roj carbon monoxide nyeem tau qhia txog kev ua haujlwm ntawm kev sib txuas; Cov xwm txheej txawv txav tuaj yeem nthuav tawm lub tshuab hluav taws xob tsis ua haujlwm, lub tshuab hluav taws xob xau los yog cov tshuaj reagent ntau dhau. Cov chaw uas saib xyuas tsis tu ncua feem ntau pom tias cov ntaub ntawv zoo dua txhais tau tias tsis siv roj tsawg thiab cov txheej txheem tsawg dua.
Public accountability. Cov ntaub ntawv raug, txuas ntxiv ua rau cov zej zog, cov neeg soj ntsuam thiab cov neeg siv khoom ntseeg siab tias cov nroj tsuag tau ntsib nws cov kev cog lus ib puag ncig.
Yuav Ua Li Cas Qhov Kev Ntsuam Xyuas Kev Tiv Thaiv Kab Mob Nruam Ua Haujlwm?
Txawm hais tias kev tsim qauv sib txawv, feem ntau cov roj flue CEMS ua raws tib lub logic saw:
- Qauv rho tawm. Ib tug rhuab sojntsuam rho tawm ib tug sawv cev roj qauv los ntawm pawg. Extractive systems kos tus qauv tawm ntawm cov kav dej rau kev tsom xam; in-situ analyzers ntsuas ncaj qha hla pawg.
- Qauv txias. Cov pa kub, av noo, plua plav-laden flue gas yuav tsum tau ntxuav thiab qhuav ua ntej nws mus txog precision analyzers. Nyob rau hauv txoj kev dav siv txias qhuav, cov qauv yog txias kom noo noo condenses tawm, tiv thaiv cov analyzers thiab ua ib tug qhuav-base ntsuas uas regulators feem ntau xav tau.
- Kev tsom xam. Gas analyzers ntsuas qhov concentration ntawm txhua lub hom phiaj tivthaiv, thaum lub siab saib xyuas ntsuas cov teeb meem tsis sib xws, ntws nrawm thiab lwm yam tsis muaj.
- Kev khaws thiab khaws cov ntaub ntawv. DAHS sau cov cim nyoos, ua kom pom tseeb, siv cov ntsuas ntsuas, ntsuas qhov nruab nrab thiab cov pa tawm huab cua, thiab tsim cov ntaub ntawv xa mus rau tus tswj hwm.
- Calibration thiab kev ruaj ntseg zoo. Cov kab ke raug txheeb xyuas nrog xoom thiab span gases raws li niaj zaus, thiab ib ntus ntsuas tawm tsam kev siv ywj pheej raws li tus qauv siv tau (xws li EN 14181 hauv Tebchaws Europe lossis kev ntsuas kev ua tau zoo hauv Suav HJ 76-2017).
Cov pa phem dab tsi tuaj yeem ntsuas CEMS?
Lub CEMS niaj hnub tuaj yeem saib xyuas ntau yam ntawm cov pa roj flue, suav nrog:
- Nitrogen oxides (NOₓ, i.e. TSIS TAU thiab TSIS MUAJ ₂)
- Cov pa roj carbon monoxide (CO) thiab carbon dioxide (CO₂)
- Particulate teeb meem / plua plav concentration
- Volatile organic compounds (VOCs)
- Ammonia swb (NH₃) los ntawm SCR/SNCR de-NOₓ systems
- Hydrogen chloride (HCl) thiab lwm yam kua qaub gases
- Mercury thiab lwm yam kab hlau nyob hauv cov ntawv thov tshwj xeeb
- Flue gas flow, kub, siab thiab noo noo - qhov tseem ceeb rau kev hloov cov concentrations rau hauv huab hwm coj emission tus nqi
Measurement Technologies Tom qab CEMS
Cov thev naus laus zis tsom xam siv nyob rau hauv kev soj ntsuam cov emissions txuas ntxiv rau cov pa roj flue sib txawv los ntawm cov pa phem, qhov ntau thiab cov ntawv thov:
- Tsis-dispersive infrared (NDIR) analyzers yog cov neeg ua haujlwm rau CO, CO₂, SO₂ thiab TSIS MUAJ nyob rau hauv combustion flue gas.
- Chemiluminescence analyzers muab qhov ntsuas qis NOₓ qhov tseeb, feem ntau siv hauv cov chaw tsim hluav taws xob thiab cov khib nyiab khib nyiab.
- Nplaim ionization nrhiav pom (FID) ntsuas tag nrho VOCs, suav nrog methane thiab non-methane hydrocarbons.
- Paramagnetic thiab zirconia sensors ntsuas oxygen nrog zoo stability.
- Tunable diode laser absorption spectroscopy (TDLAS) muaj nyob rau hauv-situ, ceev- teb ntsuas nrog tsawg drift rau gases xws li NH₃, HCl thiab O₂.
- UV / DOAS thiab FTIR cov txheej txheem tuaj yeem ntsuas ntau yam roj av ib txhij.
- Beta-ray attenuation thiab lub teeb-scattering saib yog dav siv rau cov khoom me me.
Qhov kev xaiv zoo yog nyob ntawm qhov flue gas matrix - kub, noo noo, plua plav loading thiab corrosiveness - nrog rau cov kev ntsuas ntsuas hauv paus (ntub lossis qhuav) thiab qhov ntau ntawm kev txaus siab. Qhov no yog vim li cas kev thov engineering tseem ceeb npaum li cov cuab yeej lawv tus kheej.
Yuav Ua Li Cas Xaiv Cov Nruam Emissions Saib Xyuas Cov Khoom Siv Hluav Taws Xob Hluav Taws Xob
Kev xaiv cov khoom siv ntsuas hluav taws xob txuas ntxiv mus rau cov pa roj flue yog qhov kev txiav txim siab tseem ceeb. Lub kaw lus uas tsis muaj ntawv pov thawj, tawm ntawm qhov tshwj xeeb, lossis poob qis thaum tus tswj hwm nug cov ntaub ntawv tuaj yeem kim dua li cov khoom siv nws tus kheej. Cov neeg yuav khoom yuav tsum ntsuas tsawg kawg yog cov hauv qab no:
- Ntsuas ntsuas thiab cov qauv siv tau. Pib los ntawm cov kev txwv emissions hauv zos thiab cov qauv kev soj ntsuam koj lub chaw yuav tsum ua tau raws li - qhov tsis muaj, ntsuas hauv paus thiab kev ua haujlwm yuav tsum ua ntej, tsis yog cov khoom siv catalog.
- Kev ntsuas txoj cai haum. Cov plua plav siab, dej noo siab, corrosive lossis high-temperature flue gas xav tau ib qho system (nrog rau cov qauv txias) engineered rau qhov chaw. Cov txheej txheem txias qhuav extractive tshuab, piv txwv li, yog qhov kev xaiv pov thawj rau SO₂ / NOₓ kev soj ntsuam ntawm cov thee hluav taws xob thiab cov boilers.
- Muaj tseeb, repeatability thiab kev kuaj xyuas txwv. Xyuas kom tseeb tias cov kws tshuaj ntsuam xyuas tuaj yeem ntsuas koj qhov kev xav tau ntau yam nrog qhov tseeb txaus thiab ruaj khov.
- Cov ntawv pov thawj thiab cov pov thawj ua raws. Nrhiav cov ntaub ntawv pov thawj ntawm cov chaw tsim khoom xws li ISO 9001 kev tswj hwm zoo, ISO 14001 ib puag ncig kev tswj hwm, thiab cov ntawv pov thawj cov khoom xws li CCEP (Tuam Tshoj Environmental Protection Product Certification) qhov tsim nyog, thiab nug cov ntaub ntawv pov thawj kev ua raws cai rau lub hom phiaj kev lag luam.
- Kev ntseeg tau thiab kev ruaj ntseg. Xav txog lub sij hawm nruab nrab ntawm qhov tsis ua hauj lwm, muaj cov khoom seem, thiab qhov yooj yim npaum li cas rau kev tswj xyuas hauv thaj teb.
- Cov ntaub ntawv tuav thiab qhia. DAHS yuav tsum tswj xyuas cov ntaub ntawv validation, qhov nruab nrab, emission-rate xam thiab cov ntaub ntawv tawm tswv yim uas koj regulator xav tau.
- Chaw tsim khoom txhawb nqa. Kev ua haujlwm, kev cob qhia, kev ua haujlwm thiab kev saib xyuas, thiab kev txhawb nqa tom qab muag yuav txiav txim siab lub sijhawm ua haujlwm tiag tiag. Ib lub chaw tsim khoom nrog ib pab neeg ua haujlwm engineering thiab cov kev pabcuam hotline muaj nqis ntau dua li lub thawv uas pheej yig dua.
- Tag nrho cov nqi ntawm cov tswv cuab. Sib piv tag nrho cov nqi ntawm lub neej - tsis yog tus nqi yuav khoom xwb - suav nrog cov khoom siv, kev saib xyuas, kev xeem ntawv pov thawj thiab lub sijhawm poob qis.
Yog vim li cas koom tes nrog ib tus kws tshaj lij CEMS Chaw Tsim Tshuaj
Kev soj ntsuam emissions tsis tu ncua yog kev cog lus mus sij hawm ntev, tsis yog kev yuav khoom ib zaug. Cov cuab yeej siv yuav khiav tau ntau xyoo nyob rau hauv ib puag ncig hnyav, thiab nws cov ntaub ntawv yuav raug tshuaj xyuas los ntawm cov tswj hwm. Qhov no yog vim li cas ntau tus tswv cog nyiam ua haujlwm ncaj qha nrog cov chaw tsim khoom uas muaj nws tus kheej kev tshawb fawb, kev tsim kho thiab kev tsim khoom.
Shandong SINZEN Instrument Co., Ltd., raws li nyob rau hauv Jinan, Shandong xeev, yog ib tug high-tech enterprise specializing nyob rau hauv kev tshawb fawb, kev loj hlob, ntau lawm, muag thiab tom qab-muag kev pab cuam ntawm ib puag ncig hauv internet saib xyuas systems, roj analyzers thiab cov txheej txheem tsom xam systems. SINZEN cov khoom lag luam suav nrog CEMS raws li txoj kev txias qhuav, tsev cog khoom roj (CO₂) online txuas ntxiv saib xyuas cov cuab yeej, ammonia slip saib cov khoom, kev sib koom ua ke ntawm cov khoom sib xyaw ua ke, VOCs kev soj ntsuam tas li, thiab kev lag luam roj tsom rau kev lag luam hlau thiab hlau metallurgical. Lub tuam txhab tuav ISO 9001, ISO 14001 thiab ISO 45001 kev tswj hwm cov ntawv pov thawj, nrog rau CCEP Tuam Tshoj Environmental Protection Product Certification thiab CES Tuam Tshoj Environmental Service Certification, thiab yog ib tug tswv cuab ntawm Tuam Tshoj Environmental Protection Industry Association. Nws cov kev daws teeb meem pabcuam kev saib xyuas ib puag ncig, tshiab lub zog thiab huab cua sib cais, txheej txheem thiab kev tswj hwm kev nyab xeeb, thiab kev siv tshuaj xyuas cov pa hluav taws xob hauv tsev.
Xaus
Kev soj ntsuam emissions tsis tu ncua hloov lub luag haujlwm ntawm kev tswj hwm kom zoo dua: cov ntaub ntawv raug, ib puag ncig-xov xwm ua kom cov nroj tsuag ua raws, muaj txiaj ntsig thiab ntseeg tau. Tus yuam sij rau txoj kev vam meej yog xaiv cov khoom siv ntsuas hluav taws xob txuas ntxiv rau cov pa roj flue uas haum rau daim ntawv thov, ua tau raws li cov qauv siv tau, thiab tau txais kev txhawb nqa los ntawm cov chaw tsim khoom uas yuav sawv tom qab rau lub neej ntawm lub system.
Yog tias koj tab tom npaj ib txoj haujlwm saib xyuas tshiab lossis txhim kho cov txheej txheem uas twb muaj lawm, peb cov engineers tuaj yeem pab koj txhais cov kev txwv, xaiv cov cuab yeej tsim nyog, thiab npaj ua raws. Hu rau SINZEN los tham txog koj cov kev xav tau -
tiv tauj peb rau kev xaiv cov cuab yeej thiab kev sab laj.
Cov lus nug nquag
CEMS sawv cev rau dab tsi?
CEMS sawv cev rau kev soj ntsuam cov emissions txuas ntxiv - ib qho kev sib koom ua ke uas cia li ntsuas thiab sau cov pa phem los ntawm cov khoom lag luam lossis cov flue.
Puas yog CEMS yuav tsum tau ua?
Nyob rau hauv feem ntau cov cheeb tsam, cov chaw ruaj khov loj xws li cov chaw tsim hluav taws xob, cov boilers loj, cov cement kiln, khib nyiab incinerators thiab cov cub tawg loj yuav tsum tau ua haujlwm CEMS thaum muaj kev txwv emissions. Qhov tshwj xeeb yuav tsum tau nyob ntawm txoj cai hauv zos thiab hom chaw.
Lub CEMS feem ntau ntsuas cov pa roj li cas?
Cov kev txwv tsis pub tshaj yog SO₂, NOₓ, CO, CO₂, O₂ thiab cov teeb meem me me, nrog VOCs, NH₃, HCl, mercury thiab ntws ntsuas ntxiv raws li cov txheej txheem thiab kev tswj hwm.
CEMS yuav tsum tau ntsuas ntau npaum li cas?
Kev txheeb xyuas xoom thiab ncua sij hawm feem ntau ua tsis tu ncua (piv txwv li, txhua hnub mus rau txhua lub limtiam nyob ntawm tus qauv), thaum tag nrho hauv-situ calibration tiv thaiv cov txheej txheem siv raws li lub sijhawm teev tseg los ntawm cov qauv kev lees paub zoo.
