Ntau lub tuam txhab pwm ntau zaus ntxuav, ntsuas thiab kho cov laus thiab cov thermocouples puas kom txuag tau cov nqi seem, tab sis kho cov khoom tsis raug yuav rov ua dua nyob rau lub sijhawm luv luv, ua rau tsis muaj kev poob qis thiab cov khoom siv tsis raug. Cov qauv kev txiav txim kom huv si tuaj yeem pab cov neeg ua haujlwm saib xyuas kom paub qhov txawv me me ntawm qhov tsis raug thiab qhov kev laus tsis tuaj yeem rov qab los, zam qhov kev saib xyuas tsis zoo ntawm cov neeg ua haujlwm pov tseg thiab cov kev pheej hmoo ntau lawm. Tsab ntawv xov xwm no nthuav tawm ntau yam - qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas los ntawm qhov tshwm sim, kev ua haujlwm hluav taws xob, kev ntsuas qhov tseeb, kev puas tsuaj sab hauv thiab kev siv lub neej txwv.
Qhov tshwm sim irreversible puas tsuaj scrapping qauv. Lub thermocouple yuav tsum tau muab pov tseg ncaj qha thaum ib qho ntawm cov tsos mob hauv qab no tshwm sim: lub armored sheath muaj pom tseeb tawg, deformation, pitting perforation los yog loj - cheeb tsam oxidation xeb me ntsis uas tsis tuaj yeem tshem tawm los ntawm polishing; Lub tes tsho sab nrauv fiberglass / PTFE tiv thaiv yog hnyav heev, hmoov thiab tawg, thiab sab hauv shielding braid thiab alloy hlau raug; Lub taub hau vuam hlaws tau poob tawm, qhov chaw sib cuag tiaj tus yog deformed mus tas li thiab tsis tuaj yeem haum rau lub dav hlau ntsuas; lub davhlau ya nyob twg ntsaws tus pin yog hnyav heev corroded, tawg los yog deformed, thiab tsis tuaj yeem tsim kev sib cuag ruaj khov tom qab polishing thiab tiv thaiv - xeb. Cov pa roj carbon monoxide me me thiab me ntsis ntsaws tus pin oxidation yog cov uas tuaj yeem kho tau, uas tuaj yeem rov qab siv dua tom qab ntxuav; perforated sheath, tawg lub tes tsho hlau thiab poob sensing lub taub hau yog irreversible kev puas tsuaj, thiab kho tsis tuaj yeem rov qab tau qhov qub kev tiv thaiv thiab kev ua haujlwm kub.
Hluav taws xob ua tau zoo Performance index tshaj qhov txwv scrapping qauv. Siv multimeter thiab megohmmeter los ntsuas ob qhov ntsuas hluav taws xob: lub voj tsis kam thiab rwb thaiv tsev. Yog hais tias tag nrho lub voj tsis kam ntawm lub thermocouple tshaj tus qauv tus nqi ntawm tib cov qauv tshiab cov khoom los ntawm ntau tshaj 20%, nws txhais tau hais tias cov hlau hlau sab hauv yog tiag oxidized thiab thinned, thiab yuav tsum tau muab pov tseg; me ntsis kuj nce nyob rau hauv 10% tuaj yeem ntsuas tau thiab siv ib ntus rau qis- pwm precision. Thaum lub rwb thaiv tsev tiv thaiv ntsuas nyob rau hauv 500V DC qis dua 300MΩ ntawm chav tsev kub thiab tsis tuaj yeem rov qab ua kom qhuav thiab ntxuav, nws qhia tau tias cov hmoov magnesium oxide rwb thaiv tsev sab hauv muaj pulverized thiab absorbed noo noo, thiab zais luv luv - Circuit Court txaus ntshai, uas tsis tuaj yeem kho thiab yuav tsum tau muab pov tseg. Rov qhib dua-circuit thiab luv luv luv{11}} Circuit Court faults tom qab ntxuav thiab ziab ua pov thawj tias cov hlau sab hauv muaj ntau cov ntsiab lus tawg, thiab kev kho thaj yuav ua rau rov ua txhaum, yog li yuav tsum muaj kev khawb ncaj qha.
Calibration precision drift tshaj - txwv scrapping qauv. Tom qab peb - taw tes siab - qhov kub ntawm lub cub tawg calibration, yog tias qhov ntsuas kub ntsuas qhov sib txawv ntau tshaj qhov kev ua yuam kev rau ob qhov sib law liag, lub thermocouple raug txiav txim kom tsis txhob muaj kev laus thiab muab pov tseg. Qhov tshwj xeeb txwv qhov tseem ceeb: K- hom zoo tib yam thermocouple sib txawv tshaj ± 1.5 degree, N-hom siab- kub thermocouple tshaj ± 1.2 degree, E- hom kev kho mob precision thermocouple tshaj ± 0.8℃. Txawm hais tias qhov sib txawv tuaj yeem raug cuam tshuam los ntawm kev kho tus maub los channel parameter, sab hauv alloy hlau recrystallization yuav ua rau qhov yuam kev drift nthuav dav nyob rau hauv ib lub hlis, thiab nquag rov calibration yuav nkim lub sij hawm txij nkawm thiab tsis tuaj yeem lav cov khoom ruaj khov, yog li nws tsis pom zoo kom siv txuas ntxiv. Tom qab 72-teev siab- qhov kub thiab txias simulation simulation, qhov sib txawv nce siab tshaj 0.5 degree, uas kuj ua tau raws li tus qauv scrapping, qhia tias tsis zoo los tiv thaiv drift kev ua tau zoo thiab tsis tsim nyog rau kev tsim khoom loj.
Internal structural qaug zog puas scrapping qauv. Pav ca- lub taub hau thiab khawm thermocouples nrog ua tsis tiav elastic compression springs uas tsis tuaj yeem tuav nruj kev sib cuag tom qab lub caij nplooj ntoos hlav hloov pauv; cov qauv kev sib cuag tau tsim cov deformation mus tas li thiab tsis tuaj yeem tshem tawm cov pa hluav taws xob rwb thaiv tsev. Armored thermocouples uas tau dhau los kho ntau yam khoov thiab tseem muaj cov kab mob hauv lub cev puas zais qhov phom sij tom qab kev sim qaug zog raug muab pov tseg; qhov dabtsi yog khoov seem alloy hlau tau tsim qaug zog brittle txheej, uas yuav tawg dua nyob rau hauv me ntsis kev co. Thermocouples siv rau corrosive yas molding nrog invisible micro-perforations ntawm lub sheath pom los ntawm rwb thaiv tsev kuaj yog muab pov tseg; corrosive gas muaj kuab paug hauv rwb thaiv tsev hmoov, thiab tu tsis tuaj yeem tshem tawm cov impurities.
Kev pab cuam lub neej txwv yuav tsum tau scrapping cov cai tsim los ntawm ntau lawm load. Peb-hloov 24-teev cov khoom siv hluav taws xob tas mus li muaj qhov ua haujlwm siab tshaj plaws ntawm 6 lub hlis; ob-hloov ntau lawm txwv 12 lub hlis; ib zaug-hloov kev txwv tsis pub dhau 18 lub hlis; tsis tu ncua kev sim pwm thermocouples yuav tsum tsis pub tshaj 24 lub hlis txawm tias tsis muaj qhov tsis pom tseeb tshwm sim. Tom qab ncav cuag qhov kev pab cuam lub neej txwv, cov hlau hlau sab hauv tau tsim cov khoom siv hluav taws xob muaj zog txaus, thiab cov khoom siv zais cia thiab luv luv - cov kev pheej hmoo ntawm Circuit Court yuav tawg txhua lub sijhawm, yog li yuav tsum tau hloov cov scrapping yuav tsum tsis hais seb cov ntaub ntawv zoo li cas. Kev kho mob thiab tsheb siab-precision pwm thermocouples ua kom luv luv lub neej kev pab cuam los ntawm ib nrab kom tsis txhob muaj kev phom sij zoo.
Classified pov tseg ntawm scrapped thermocouples. Scraped sensors tsis tuaj yeem sib xyaw nrog cov pwm zoo tib yam rau kev siv dua; sau lawv rau hauv cov thawv tshwj xeeb hlau pov tseg, faib lawv los ntawm cov khoom siv hlau rau hauv nruab nrab ntawm cov hlau rov ua dua tshiab, thiab sau cov lej xov tooj, vim li cas thiab hnub nyob rau hauv tus account spare qhov chaw kom paub tag nrho lub neej voj voog traceability. nruj me ntsis txwv tsis pub refurbishing scrapped thermocouples rau ntau lawm siv kom tsis txhob loj ntau lawm zoo xwm txheej tshwm sim los ntawm kev puas tsuaj zais.
