Txhawm rau lav cov cuab yeej muaj kev nyab xeeb thiab ntev - lub sijhawm ruaj khov, stainless hlau cartridge tso cua sov siv rau hauv siab - cov hlab ntsha siab yuav tsum ua raws li cov kev ntsuas nruj thiab ntsuas kev ntsuas. Cov txheej txheem tag nrho thoob plaws ntau yam tau piav qhia hauv qhov kev tshuaj ntsuam no.
Lub hom phiaj tseem ceeb ntawm cov txheej txheem kev tiv thaiv siab yog kom phim cov qauv tsim. Qhov siab tshaj plaws kev tso cai ua hauj lwm siab (MAWP) ntawm lub nkoj yuav tsum tau siab tshaj ntawm lub rhaub lub siab ntsuas, uas feem ntau muaj xws li ib tug muaj kev ruaj ntseg yam ntawm 1.5 mus rau 3 zaug. Piv txwv li, lub rhaub yuav tsum muaj peev xwm txhawb nqa 15 mus rau 30 MPa yog tias lub nkoj tsim siab yog 10 MPa. Kev ntsuas hydrostatic siab ntawm 1.5 npaug ntawm qhov tsim siab yuav tsum tau dhau los txhawm rau tuav rau 30 feeb yam tsis muaj dej los yog deforming. Tsis tas li ntawd, cov khoom siv lub zog yuav tsum muaj tsawg kawg yog 205 MPa, xws li 304 stainless hlau, lossis ntau dua rau cov qib xws li 316L, thiab qhov tawg siab yuav tsum yog tsawg kawg peb zaug ntawm qhov tsim siab.Muab qhov muaj peev xwm hloov pauv hauv siab - cov hlab ntsha uas tau los ntawm cov txheej txheem xav tau, xws li kev kub ntxhov, thiab kev kub ntxhov yuav tsum muaj ntau dua. 100,000 kev ntsuas lub voj voog siab (piv txwv li, los ntawm 0 mus rau 20 MPa) yam tsis tau txhim kho cov txheej txheem qaug zog txhawm rau txhawm rau ua kom pom kev hloov pauv siab.
Cov ntsuas kev ua tau zoo ntawm cov khoom siv yog qhov tseem ceeb. 316L (06Cr17Ni12Mo2) thiab 310S (06Cr25Ni20) yog cov qib stainless hlau nyiam vim tias lawv muaj zog tiv taus corrosion thiab muaj zog ntau dua ntawm qhov kub siab tshaj 304. 316L yog qhov tsim nyog rau kev siv tshuaj lom neeg lossis dej hiav txwv vim nws qhov kev tiv thaiv rau Cl{25Ni20 los yog ntau dua 10 ppm) nyob rau hauv chloride -ion ib puag ncig. Cov mis t=(P · D) / (2S · E - 0.2P), qhov twg P yog tsim siab, D yog sab nraud txoj kab uas hla, S yog tso cai rau cov ntaub ntawv kev nyuaj siab, thiab E yog cov weld sib koom ua hauj lwm efficiency (1.0 rau seamless raj), yuav tsum tau siv los txiav txim siab phab ntsa thickness raws li ASME BPVC qauv.HG/T20592{101} threads flanges yuav tsum tau; threaded interfaces yuav tsum ntiav NPT lossis M threads nrog siab - kub sealants, xws li graphite gaskets. TIG (argon arc vuam) yog siv rau lub raj lub cev thiab sealing xaus, thiab cov welds dhau qib II X-ray tshuaj xyuas.
Kev ua haujlwm thermal thiab kev nyab xeeb hluav taws xob yog qhov tseem ceeb. Ib 500 VDC megohmmeter yuav tsum tau siv los ntsuas qhov txias - lub xeev rwb thaiv tsev, uas yuav tsum yog tsawg kawg yog 100 MΩ. Raws li IEC 60335, tiv taus qhov ntsuas hluav taws xob hu rau 1500 V rau ib feeb yam tsis muaj kev ua haujlwm tsis zoo. Raws li qhov ntsuas hluav taws xob, qhov xau tam sim no tsis tuaj yeem siab dua 0.5 mA / kW. Txhawm rau kom tsis txhob muaj qhov kub hnyiab hauv zos, kev tsim hluav taws xob txwv qhov chaw thauj khoom kom tsawg dua lossis sib npaug li 8 W / cm² rau cov kua cua sov thiab Tsawg dua lossis sib npaug li 3 W / cm² rau cua sov. Bimetallic thermostats lossis PT100 sensors nrog qhov ua yuam kev ntawm ± 5℃yog siv rau kev tiv thaiv overheat.
Kev pov thawj ntawm ib puag ncig adaptation guarantees kev cia siab. Kev ntsuas kub ntawm kev caij tsheb kauj vab los ntawm -40℃mus rau 300℃dhau 100 lub voj voog nrawm yuav tsum tsis pom muaj cov cim tsis ua haujlwm lossis tawg. Hauv pH 2-12 cov kev daws teeb meem, qhov nruab nrab kev sib raug zoo yuav tsum muaj corrosion tsawg dua los yog sib npaug ntawm 0.1 mm / xyoo tom qab 240 teev . 316L yuav tsum dhau 72-teev oxidation hnyav qhov kev ntsuam xyuas (tsawg dua lossis sib npaug li 2 mg / dm2) rau oxidative media xws li superheated steam (150℃/ 0.8 MPa).
Kev vibration kev sim uas simulates thauj lossis kev ua haujlwm (10-200 Hz, 2G acceleration) rau ob teev yam tsis muaj cov txheej txheem loosening yog ib qho ntawm cov neeg kho tshuab lub zog thiab kev teeb tsa. Flange bolts yuav tsum tau nruj diagonally mus rau 70% ntawm bolt tawm lub zog thaum txhim kho M18 threads, thiab lub torque yuav tsum nyob nruab nrab ntawm 30 thiab 35 Nm kom tsis txhob sealing nto deformation.
Yuav tsum tau ua raws li tus qauv thiab daim ntawv pov thawj. ASME Tshooj VIII, PED 2014/68/EU (Cov Lus Qhia Cov Khoom Siv Siab), lossis GB / T 1235-2017 yuav tsum ua raws li cov cua sov. ATEX lossis IECEx daim ntawv pov thawj (xws li Ex d IIB T4) yog qhov tsim nyog rau kev teeb tsa tawg.
Hauv kev xaus, kev ua haujlwm siab, cov ntaub ntawv, hluav taws xob, ib puag ncig, thiab lwm yam ua rau muaj ntau yam txheej txheem kev ntsuas rau stainless hlau cartridge tso cua sov hauv siab - cov thawv ntim siab. Txhawm rau kom ntseeg tau tias kev ua tau zoo thiab kev nyab xeeb, kev xaiv yuav tsum tau tsom rau kev siv tau raws li lub nkoj tsim lub siab, cov khoom nruab nrab, thiab kev ua haujlwm.
