Xaiv qhov tsis raug hluav taws xob dosimeter tuaj yeem tsim qhov sib txawv ntawm kev nyab xeeb uas nyuaj rau txheeb xyuas thaum lub sijhawm ua haujlwm niaj hnub. Ib lub cuab yeej yuav tso saib kev nyeem ntawv, dhau qhov kev kuaj xyuas ua haujlwm, thiab zoo li tsim nyog rau kev siv, tseem tsis tau muab cov ntaub ntawv xav tau los ntsuas tus neeg ua haujlwm qhov raug hluav taws xob tiag tiag.
Qhov no yog ib qho kev txhawj xeeb rau NDT cov neeg cog lus, cov neeg ua haujlwm hauv lub chaw tsim hluav taws xob, cov tub ceev xwm kev nyab xeeb hluav taws xob, thiab pab pawg muag khoom lag luam. Cov chaw ua haujlwm sib txawv nthuav tawm cov teeb meem hluav taws xob sib txawv, thiab lub dosimeter tsim feem ntau rau gamma hluav taws xob yuav tsis txaus ntsuas qhov raug neutron.
Kev nkag siab qhov sib txawv ntawm neutron dosimeter thiab gamma dosimeter yog qhov tseem ceeb ua ntej yuav khoom siv hluav taws xob saib xyuas.
Qhov txawv ntawm Neutron Dosimeter thiab Gamma Dosimeter yog dab tsi?
Qhov sib txawv tseem ceeb nyob hauv hom hluav taws xob txhua qhov ntsuas tau tsim los ntsuas.
A gamma dosimeterntsuas tus kheej raug rau gamma hluav taws xob, ib daim ntawv ntawm siab - hluav taws xob electromagnetic hluav taws xob. Nyob ntawm nws tus qauv tsim, lub cuab yeej tsim nyog kuj tseem ntsuas X-rays lossis lwm yam hluav taws xob photon.
A neutron dosimeteryog tsim los ntsuam xyuas raug cov hluav taws xob neutron. Neutrons cuam tshuam nrog cov teeb meem sib txawv ntawm photons, yog li neutron dosimetry yuav tsum tau tshwj xeeb detector designs thiab calibration txoj kev.
Ob lub twj paj nruag tsis tuaj yeem hloov pauv tau.
Rau cov neeg yuav khoom, cov lus nug tseem ceeb tsis yog qhov twg dosimeter siab dua. Nws yog cov cuab yeej twg tsim nyog rau cov hluav taws xob hluav taws xob tau ntsib los ntawm lawv cov neeg ua haujlwm.
Yog vim li cas Gamma Dosimeters muaj ntau nyob rau hauv Industrial Radiography
Gamma radiography yog dav siv los tshuaj xyuas welds, pipelines, cov hlab ntsha siab, thiab lwm yam tseem ceeb hauv kev lag luam.
Thaum lub sijhawm ua haujlwm no, cov neeg ua haujlwm yuav siv cov khoom siv hluav taws xob xws li Iridium-192 lossis Selenium-75 los tsim cov duab hluav taws xob.
Gamma dosimeters, suav nrog hluav taws xob tus kheej dosimeters (EPDs) tsim los rau lub zog photon cuam tshuam, pab saib xyuas kev ua haujlwm raug thaum lub sijhawm ua haujlwm no.
Nyob ntawm tus qauv, cov khoom siv hluav taws xob tuaj yeem muab tau:
Tiag - sij hawm nyeem cov koob tshuaj
koob tshuaj - tus nqi qhia
Lub tswb nrov los yog pom kev
Kev ceeb toom kev vibration
Cov ntaub ntawv raug kaw
Cov yam ntxwv no pab RT cov neeg ua haujlwm paub txog kev hloov pauv hluav taws xob thiab teb raws li cov txheej txheem kev nyab xeeb tsim.
Rau cov neeg cog lus ua haujlwm ntawm kev kaw lub tshuab hluav taws xob, kev tsim cov kav dej, thiab kev saib xyuas ntawm ntug dej hiav txwv, kev ntseeg siab ntawm tus kheej yog qhov tseem ceeb ntawm kev tiv thaiv hluav taws xob.
Txawm li cas los xij, kev saib xyuas gamma ib leeg tsis txaus thaum cov neeg ua haujlwm tseem tuaj yeem tau txais kev cuam tshuam neutron tseem ceeb.
Vim li cas Neutron Dosimetry Yuav Tsum Muaj Ib Txoj Kev Sib Txawv
Neutron hluav taws xob nthuav qhia kev sib tw ntsuas kev ntsuas ntau dua.
Tsis zoo li gamma photons, neutrons tsis muaj hluav taws xob thiab cuam tshuam nrog cov ntaub ntawv los ntawm cov tshuaj tiv thaiv nuclear thiab lwm yam txheej txheem. Lawv cov kev ua tau zoo ntawm cov roj ntsha thiab cov lus teb yog nyob ntawm seb muaj pes tsawg leeg suav nrog lub zog neutron.
Lub neutron dosimeter yuav tsum yog li tsim nyog rau qhov cuam tshuam ntawm neutron zog ntau yam thiab chaw ua haujlwm.
Qhov no tseem ceeb hauv ib puag ncig xws li:
Nuclear reactors thiab cov chaw saib xyuas cuam tshuam
Cov chaw soj ntsuam tshawb fawb siv cov khoom siv neutron
Qee qhov kev ua haujlwm ntawm cov khoom siv nuclear
Neutron- tsim cov accelerators
Cov ntawv thov tshwj xeeb muaj xws li cov khoom siv neutron
Neutron dosimeters tuaj yeem siv thev naus laus zis xws li cov cuab yeej taug qab, albedo detectors, npuas detectors, lossis hluav taws xob neutron nrhiav tshuab.
Txhua txoj hauv kev muaj kev txwv. Ib lub cuab yeej rhiab heev, lub zog teb, calibration tej yam kev mob, thiab haum rau daim ntawv thov npaj yuav tsum tau tshuaj xyuas ua ntej yuav.
Rau cov chaw tsim hluav taws xob nuclear thiab cov kws tsim hluav taws xob tshwj xeeb, xaiv cov neutron dosimeter raws li tus nqi lossis cov lus qhia dav dav tuaj yeem tso cov kev ntsuas tseem ceeb tsis tau daws.
Puas yog Gamma Dosimeter Ntsuas Neutron Radiation?
Feem ntau, gamma- tsuas yog dosimeter yuav tsum tsis txhob cia siab rau ntsuas cov koob tshuaj neutron.
Qee cov cuab yeej tau tsim los ntsuas ntau hom hluav taws xob, tab sis cov neeg yuav khoom yuav tsum xyuas kom meej tias qhov ntsuas hluav taws xob tau txais kev txhawb nqa thiab cov cuab yeej tsim nyog rau qhov kev xav tau hluav taws xob.
Qhov kev sib txawv no dhau los ua qhov tseem ceeb tshwj xeeb hauv qhov chaw sib xyaw hluav taws xob.
Neutrons thiab gamma rays tuaj yeem tshwm sim ib txhij, tab sis lawv qhov kev koom tes rau tus neeg ua haujlwm koob tshuaj tuaj yeem sib txawv. Kev nyeem ntawv gamma tsis tuaj yeem siv tau los ua qhov hloov pauv rau kev ntsuas koob tshuaj neutron.
Qhov twg ob hom hluav taws xob muaj feem cuam tshuam, qhov kev pab cuam tiv thaiv hluav taws xob yuav xav tau cov neutron thiab photon dosimetry cais los yog muaj kev siv hluav taws xob ntau-kab hluav taws xob.
Qhov kev xaiv zaum kawg yuav tsum yog raws li kev ntsuas kev tiv thaiv hluav taws xob uas tsim nyog, tsis yog qhov kev xav txog kev ntsuas qhov sib xws.
Dab tsi Dosimeter yog txoj cai rau koj kev lag luam?
Roj thiab Roj NDT Cov Neeg Ua Haujlwm
Rau cov pa gamma radiography ntawm pipeline welds thiab cov cuab yeej siv siab, ib qho kev qhia tsim nyog gamma hluav taws xob tus kheej dosimeter feem ntau cuam tshuam rau kev ua haujlwm niaj hnub saib xyuas.
Pab pawg neeg yuav khoom yuav tsum xav txog cov ntsuas hluav taws xob ntsuas hluav taws xob rau kev kuaj xyuas cov nqi tshuaj thiab txheeb xyuas cov tswj hwm - thaj tsam thaj tsam.
Neutron dosimetry tsis yog qhov tsim nyog rau txhua qhov project RT. Nws yuav tsum raug xaiv thaum qhov kev ntsuam xyuas hluav taws xob txheeb xyuas qhov muaj kev phom sij ntawm neutron.
Nuclear Fais Fab thiab Kev Kho Vaj Tse
Nuclear ib puag ncig tuaj yeem koom nrog ntau qhov chaw hluav taws xob, tshwj xeeb tshaj yog nyob ib puag ncig cov tshuab reactor thiab qee yam haujlwm tshwj xeeb.
Nyob ntawm txoj haujlwm, cov neeg ua haujlwm yuav xav tau kev ntsuas tshuaj neutron thiab photon.
Pab pawg neeg yuav khoom yuav tsum sab laj nrog lub tsev kho mob cov cai tiv thaiv hluav taws xob ua ntej xaiv cov cuab yeej saib xyuas tus kheej.
Kev Tshawb Fawb thiab Kev Siv Hluav Taws Xob
Cov chaw siv cov khoom siv neutron los yog cov khoom siv accelerators yuav tsum tau tshwj xeeb neutron dosimeters.
Qhov xav tau neutron zog spectrum, ntau npaum li cas, thiab ntsuas qhov tsis paub tseeb yuav tsum tau txiav txim siab nrog rau kev siv tau thiab cov ntaub ntawv -cov ntaub ntawv xav tau.
Tsib nqe lus nug ua ntej yuav khoom
Ua ntej sib piv cov lus hais, cov neeg yuav khoom yuav tsum tsim kom muaj kev soj ntsuam tiag tiag.
1. Hom hluav taws xob muaj dab tsi?
Paub meej tias qhov chaw ua haujlwm puas muaj gamma rays, X-rays, neutrons, los yog mixed radiation fields.
2. Cov koob tshuaj twg thiab koob tshuaj npaum li cas - yuav xav tau ntau npaum li cas?
Cov cuab yeej raug xaiv yuav tsum them rau cov kev ua haujlwm uas xav tau.
3. Puas yog tiag tiag - lub sijhawm ceeb toom?
Cov dosimeters hluav taws xob tuaj yeem muab cov lus ceeb toom tam sim thaum qhov kev teeb tsa tau dhau los, pab cov neeg ua haujlwm teb rau cov xwm txheej txawv txav.
4. Yuav ua li cas calibration thiab ua raws li cov ntaub ntawv?
Paub meej tias yuav tsum tau calibration, traceability, approvals, thiab kev lees txais rau lub teb chaws thiab daim ntawv thov.
5. Tus neeg muag khoom puas txhawb nqa daim ntawv thov tiag tiag?
Nug rau qhov ntsuas qhov tshwj xeeb, lub zog- cov ntaub ntawv teb, cov ntsiab lus ntsuas ntsuas, thiab kev pom zoo ntawm hom hluav taws xob ntsuas. Tsis txhob xav tias ib lub cuab yeej txhawb nqa neutron ntsuas tsuas yog vim nws tau piav qhia raws li radiation dosimeter.
Yuav Ua Li Cas Astral Route Txhawb Radiation Monitoring Procurement
Rau cov neeg yuav khoom thoob ntiaj teb, kev nrhiav cov cuab yeej zoo suav nrog ntau tshaj qhov sib piv cov nqi. Cov khoom siv yuav tsum ua raws li daim ntawv thov, ntsuas qhov xav tau, thiab cov ntaub ntawv xav tau los ntawm tus neeg siv kawg.
Astral Route muab cov khoom siv hluav taws xob kuaj pom hluav taws xob rau kev lag luam thiab cov ntawv thov tshwj xeeb, suav nrog hluav taws xob tus kheej hluav taws xob dosimeters, neutron dosimeters, saib xyuas qhov chaw paug, thiab portable tritium saib.
Cov neeg yuav khoom tuaj yeem tshawb xyuas cov khoom lag luam muaj nyob ntawm Astral Route Radiation Detection Equipment.
Thaum thov cov lus hais, muab cov ntsiab lus hais txog daim ntawv thov, hom hluav taws xob, qhov ntsuas qhov xav tau, lub tswb ua haujlwm, thiab lub khw muag khoom. Cov ntaub ntawv no pab txo qis cov kev xaiv tsim nyog thiab txo qhov kev pheej hmoo ntawm kev yuav khoom siv uas tsis ua raws li qhov project xav tau.
FAQ
Puas yog neutron dosimeter zoo dua li gamma dosimeter?
Tsis yog universally zoo dua. Txhua tus yog tsim los rau kev ntsuas hluav taws xob sib txawv. Qhov kev xaiv tsim nyog yog nyob ntawm qhov chaw hluav taws xob thiab cov neeg ua haujlwm raug mob.
Ib qho hluav taws xob dosimeter puas tuaj yeem ntsuas ob qho tib si neutron thiab gamma hluav taws xob?
Qee cov cuab yeej tshwj xeeb lossis kev saib xyuas kev txhawb nqa ob qho tib si, tab sis qhov peev xwm no yuav tsum tau lees paub los ntawm cov chaw tsim khoom tshwj xeeb thiab raug lees paub rau daim ntawv thov npaj.
Puas yog NDT cov neeg cog lus ib txwm xav tau neutron dosimeters?
Tsis yog. Cov qauv muaj gamma radiography tsis tuaj yeem xav tau neutron dosimetry. Kev tshuaj xyuas ntxiv yuav tsum ua raws li cov teeb meem hluav taws xob tau txheeb xyuas rau cov haujlwm tshwj xeeb.
Vim li cas neutron dosimetry nyuaj dua?
Neutron detector teb yog nyob ntawm lub zog ntawm neutron thiab lwm qhov chaw ua haujlwm. Kev ntsuas koob tshuaj kom raug yuav tsum tau siv cov cuab yeej tshwj xeeb thiab daim ntawv thov -kev ntsuas tshwj xeeb.
Yuav ua li cas cov neeg yuav khoom tseem ceeb thaum sib piv cov nqi dosimeter?
Thawj hom hluav taws xob ua ntej, ntsuas qhov ntau, qhov tseeb, lub zog teb, lub tswb ua haujlwm, cov ntaub ntawv ntsuas ntsuas, xav tau kev pom zoo, thiab tom qab- kev txhawb nqa muag. Tus nqi qis tshaj - ntaus ntawv nqi tsis yog qhov kev xaiv tsim nyog tshaj plaws.
Kev xav zaum kawg
Qhov sib txawv ntawm neutron dosimeter thiab gamma dosimeter tsis yog ib qho kev qhia me me. Nws cuam tshuam ncaj qha seb qhov kev saib xyuas hluav taws xob puas ntsuas qhov phom sij uas cov neeg ua haujlwm yuav ntsib tiag tiag.
Rau NDT cov neeg cog lus, gamma dosimeters yog cov cuab yeej tseem ceeb rau kev kuaj pom hluav taws xob. Rau cov chaw siv hluav taws xob thiab lwm qhov chaw ua haujlwm nrog cov neutron raug, tshwj xeeb neutron dosimetry tej zaum yuav tsim nyog. Qhov twg muaj ob hom hluav taws xob tam sim no, lub tswv yim saib xyuas yuav tsum hais ob qho tib si kom tsim nyog.
Ua ntej yuav khoom, paub meej tias cov hluav taws xob muaj kev phom sij, txheeb xyuas cov cuab yeej tshwj xeeb, thiab xyuas kom meej tias cov cuab yeej xaiv tau ua tau raws li qhov chaw muaj kev nyab xeeb thiab kev tswj hwm.
