Dry Burn Test Heating Tube Fault Judgment & Timely Replacement Standard for Laboratory Test Equipment
Kev txiav txim tsis raug tseeb thiab lub sij hawm hloov kev tshawb fawb yog qhov tseem ceeb los xyuas kom meej qhov siv tau ntawm chav kuaj siab - kub qhuav - cov ntaub ntawv ntsuas kub. Ntau tus neeg ua haujlwm kuaj cov cuab yeej siv txuas ntxiv siv cov kav dej kub kub nrog kev ua haujlwm qis, ua rau qhov ntsuas kub tsis ruaj khov thiab qhov kev sim tsis sib xws. Kev hloov kho qhov muag tsis pom kev ntawm cov khoom tsis zoo yuav ua rau cov nqi pov tseg, thaum ncua sij hawm hloov cov khoom tsis raug yuav ua rau muaj ntau cov ntaub ntawv xeem tsis raug thiab txawm tias cov cuab yeej kuaj puas.
Qhov kub tsis txawv txav teb yog qhov teeb meem ntxov tshaj plaws ntawm kev ua txhaum. Ib txwm qhuav hlawv cov cua sov cov raj muaj qhov kub thiab txias nce ceev thiab qhov hloov pauv me me. Qhov ntsuas kub qis dua li lub xeev pib, pom tseeb qhov kub thiab txias tsis tu ncua txhua qhov qhia tau hais tias cua sov xaim kev ua tau zoo attenuation thiab sab hauv kub conduction abnormality. Hom kev ua txhaum no yuav tsis ua rau cov cuab yeej kaw tam sim ntawd tab sis txuas ntxiv cuam tshuam rau kev ntsuas qhov tseeb thiab cov ntaub ntawv rov ua dua.
Tube lub cev zoo li txawv txav yog cov cim qhia ntawm kev laus tsis ua haujlwm loj. Hauv zos bulging, pom tseeb tsis sib xws oxidation xim, raj lub cev warping thiab deformation yog irreversible yam ntxwv tsis ua hauj lwm manifestations. Tube bulging qhia txog cov txheej txheem rwb thaiv tsev sab hauv carbonization thiab roj tsub zuj zuj, nrog rau cov hluav taws xob hluav taws xob siab thiab kev pheej hmoo tawg. Qhov hnyav oxidation thiab thinning txhais tau hais tias lub raj lub cev tsis tuaj yeem tiv taus qhov kub siab tom qab - kub qhuav- kub kub cuam tshuam thiab yuav tsum tau hloov lub sijhawm.
Hluav taws xob parameter tsis ua hauj lwm yog lub hauv paus tseem ceeb rau yuav tsum tau hloov. Rwb thaiv tsev tiv thaiv tsis tu ncua poob, hluav taws xob xau tswb thiab kev khiav hauj lwm lub zog attenuation tshaj 5% yog lub xeev tsis tsim nyog tau teev tseg los ntawm cov qauv kev lag luam. Cov khoom siv hluav taws xob tsis tsim nyog tau poob qhov kev sim nyab xeeb thiab ruaj khov, thiab kev siv tsis tu ncua yuav ua rau muaj kev phom sij rau hluav taws xob thiab kev ntsuas qhov ua tsis tiav.
Fault grading judgment and replace standard table is sorted hauv qab no:
|
Fault Manifestation |
Qib Qib |
Test Impact Degree |
Txheej Txheem |
|---|---|---|---|
|
Me ntsis kub nce qeeb, zoo li qub |
Kev ua haujlwm me me attenuation |
Me ntsis precision sib txawv |
Kev soj ntsuam tas li & calibration |
|
Pom tseeb kub overshoot, hauv zos me ntsis oxidation |
Kev laus tsis ncaj ncees lawm |
cuam tshuam cov ntaub ntawv xeem rov ua dua |
Npaj hloov pauv hauv 3 hnub ua haujlwm |
|
Tube deformation, ib feem hnyav oxidation |
Kev laus laus zuj zus |
Cov xwm txheej xeem tsis raug |
Kev hloov pauv tam sim ntawd |
|
Rwb thaiv tsev tsis ua haujlwm, hluav taws xob xau tswb |
Ua tiav kev ua haujlwm tsis ua haujlwm |
Tej zaum yuav muaj kev nyab xeeb xwm txheej |
Thaum muaj xwm ceev yuav tsum tau hloov |
Raws li cov khoom siv ntsuas qhov tsis raug txheeb cais, kev txiav txim siab qhov ntsuas qhov ntsuas tau raug txheeb xyuas qhov tseeb ntawm kev saib xyuas thiab hloov ciam teb, ua kom pom qhov sib npaug ntawm qhov ntsuas kev nyab xeeb, cov ntaub ntawv raug thiab cov nqi khiav lag luam. Kev hloov pauv kev tshawb fawb zam zam 90% ntawm cov ntaub ntawv xeem tsis ua haujlwm thiab cov khoom siv phom sij.
Cov cuab yeej siv kev ua haujlwm tsis raug kuaj xyuas tuaj yeem ntsuas qhov tseeb ntawm kev laus thiab qhov seem ntawm lub neej ua haujlwm ntawm qhuav -cov kav dej kub kub, tsim cov phiaj xwm hloov tsim nyog, thiab xyuas kom ntev - lub sijhawm ua haujlwm ntawm cov tshuab kuaj sim.
