Lub tshuab dej txias, cua txias zog dej, cov tub yees siv dej thiab lwm yam khoom siv ua kua, thiab lwm yam, thiab lwm yam, rau lwm yam uas tau ua kua, nyob rau hauv lub tub yees, los ntawm cov khoom siv ua kua, thiab lwm yam, rau lwm tus, rau lwm yam uas tau ua kua, rau lwm yam uas muaj kev sib tsoo ntawm qhov kev huam yuaj uas muaj kev sib tsoo.
1.Repair ntawm kev deformation hauv zos ntawm pipeline
Txhawm rau tshem tawm hauv zos deformation tshwm sim, nws yog qhov tsim nyog los nrhiav qhov laj thawj ntawm cov qauv thiab kev ua haujlwm. Xws li txias cia khoom vaj huam sib luag los ntawm kev tsub zuj zuj los ntawm kev tawm dag zog dhau los, yuav tsum muaj ntxiv dag zog rau kev ua haujlwm tsis zoo. Yog tias cov raj xa dej ntev dhau, qhov deformation tshwm sim los ntawm qhov kev sib tw ntawm lub bracket lossis khuam khawb ncaws, txoj hlua khi yuav tsum tau nce. Yog tias qhov tsis zoo yog tsis loj, tsis cuam tshuam rau kev siv txuas ntxiv, tuaj yeem tos kom kho dua tshiab thiab tom qab ntawd yuav tsum txhawb nqa kev tshuaj xyuas thiab kev kho mob. Yog tias lub raj yog bent tiag, bent ib feem ntawm lub raj tuaj yeem txiav tom qab lub tub yees hauv lub raj yog khoob los ua kom ncaj nws. Cov xovxwm siv tau yuav tsum tau txawm thiab qeeb, tsis txhob ntaus nrog sledgeamammer, thiab cov yeeb nkab ncaj yog tom qab ntawd cov pa tawm.
2. Kho cov yeeb nkab tawg thiab pinholes
Rau cov kab nrib pleb thiab pinnholes hauv cov khoom siv tsis loj, feem ntau siv cov vuam txoj kev kho. Yog tias cov roj vuam tuas, vuam tseb yuav tsum tsis txhob ntau tshaj 2 zaug, lossis yuav tsum tau hloov los cuam tshuam nrog cov yeeb nkab. Thaum vuam qhov xau xau, nws yog txwv tsis pub ua haujlwm hauv ib puag ncig nrog cov tuab tub yees.
3. Flange Overhaul
1) Txheeb xyuas lub preload ntawm cov bolts ntawm kev sib txuas ntawm flange, yog tias lawv tau xoob, ua kom nruj kev ua kom lub zog yuam, tab sis yuav tsum tsis txhob nruj heev. Yog tias cov bolts yog deformed lossis corroded tiag, tshiab bolts yuav tsum tau hloov.
2) Asbestos gasket ntawm cov flange kev twb kev sib txuas yog corroded lossis hlawv tawm, ua rau poob ntawm kev sib khi muaj peev xwm, thiab yuav tsum tau hloov nrog lub gasket tshiab. Ua ntej hloov gasket tshiab, tus thawj gasket yuav tsum tau scraped tawm thiab ntxuav nrog paraffin los xyuas seb cov kab flanged lossis puas. Yog tias tsis muaj teeb meem tuaj yeem hloov nrog lub gasket tshiab, cov kab pheeb ces kaum sib zog zawm ntawm cov flange bolts yuav ua tau. Yog tias cov nplaim zeb ntawm cov flange yog kev ua kom loj dua lossis kho cov kab mob flange tshiab, koj tuaj yeem hloov kho qhov tsim nyog tshiab thiab tom qab ntawd ntsia rau ntawm lub gasket tshiab los tiv thaiv kev siv xau.
3) Lub ntsej muag vuam tsis nruj, yuav tsum tau kho kom zoo nkauj.
4) Yog tias cov vuam ua rau cov flange rau Warp thiab tsis tau raws li cov rooj sib tham yuav tsum tau, nws yuav tsum tau muab thiab hloov pauv.
5) Nyob rau hauv cov txheej txheem ntawm kev teeb tsa, yog tias ob lub Flanges Center kab tsis zoo li qub, cov yeeb nkab yuav tsum tau txiav tawm thiab rov welded.
4. Valve kho
1) Hloov cov ntim. Lub luag haujlwm tseem ceeb ntawm cov ntim yog txhawm rau tiv thaiv cov khoom ua haujlwm nrog rau lub valve cov qia Axial xau thiab teeb tsa. Thaum muaj kev xau me me, tuaj yeem ua kom nruj cov pob qog, xws li xau dej tsis tuaj yeem raug tshem tawm, yuav tsum tau hloov cov pob. Hloov ntawm lub valve lub qia yuav tsum tau ntsia tawm mus rau qhov kawg, nrog rau cov ntaub qhwv lub qub, thiab tom qab ntawd npaj txhij los ntswj cov khoom siv tshiab hauv kev txiav txim, thiab tom qab ntawd zawm lub caj pas.
2) Kho lub spool. Nyob rau hauv cua txias thiab tub yees tej yaam num, qhov twg txoj kab uas nyob loj loj ntawm lub valve, lub spool yog nyob ntawm ib txheej ntawm pasteurized alloy lossis fluorine yas foob. Sab nraum qab ntawm lub spool kuj muaj ib txheej ntawm cov pasteurized alloy, yog li thaum lub thawv valve yog scring tawm mus rau hauv qab txoj hauj lwm, nws tuaj yeem muab cov khoom siv tsis muaj xau rau ntawm lub valve qia.
Thaum lub valve yog disassembled, thawj lub hauv paus qia mus deb ntxeev, thiab tom qab ntawd lub rooj zaum hauv av, yog li lub rooj zaum ntawm lub valve nrog txhua lwm yam nruj.
Rau me me cam steel lossis tooj dag Valve lig xov, lub sib khi ntawm lub valve no tag nrho txhua txoj kev cia siab rau txoj kab sib chwv, yog li hu ua kab foob. Vim tias nws yog ib txoj kab sib khi, thiab yog li lub rooj zaum hauv lub rooj thiab cov zaub mov yuav tsum ua kom zoo kom tau txais cov nyhuv sib luag.
Kev kho tsheb ua tiav tiav, yuav tsum tau raws li cov cai yuav tsum tau ua ntawm lub airtightness.
Lub zog tso rau hauv kev kho lub valve kev nyab xeeb tseem muaj kev nyab xeeb rau lub sijhawm, yog li thaum lub siab thim tawm ntawm lub zog, yog li thaum lub siab tso tawm rau lub siab, yog li thaum lub siab thim tawm ntawm lub siab, yog li thaum lub siab tawm mus rau lub siab kaw, tseem kaw yog tsis nruj. Txhawm rau kov yeej qhov kev puas thwj no, qee cov khoom tau hloov nrog Nickel-chromium-titanium alloy (nyuaj) alloy, lossis nrog polytetrosraethylene lawm xwb.
Lub Sijhawm Post: Oct-11-2023
