YEEB TUJ TU THIAB TSHUAB
Nyob rau hauv raws li "kev lag luam hlau xa hluav taws xob kev tsim kho thiab kev lees paub qhov kev ntsuas siab tom qab dhau mus, yuav tsum tau ntxuav lossis ntxuav kom zoo li tshuab). Tshuab ntxuav txoj kev yuav tsum yog raws li kev siv pipeline yuav tsum muaj, thauj cov xov xwm thiab cov degree ntawm cov yeeb nkab qias neeg los txiav txim. Tshuab tu kom huv, ntxuav tshuaj ntxuav, roj ntxuav, roj ntxuav, cua tshuab, chav tshuab thiab li ntawd. Nominal diam ntau dua los yog sib npaug rau 600mm ntawm kua lossis roj raj dej ua kua, nws yog qhov tsim nyog siv kev ntxuav tes; Cov cheeb tsam nominal tsawg dua 600mm ntawm cov raj xa dej ua kua yog tsim nyog siv dej ntws; Nominal Diam ntawm tsawg dua 600 hli ntawm roj pipeline yog tsim nyog los ua cua tshuab; Chav dej pipeline yuav tsum yog cov nqus tshuab; Tsis-Thermal Pipeline yuav tsum tsis txhob siv rau kev tshuab tshuab.
I. DEJ NTXIV
Dej ntxuav yog dej ntws tawm. Pipeline yaug yuav tsum siv dej huv, yaug Austenitic Stainless Hlau Pipeline, cov chlorine ion cov ntsiab lus hauv 25 feem ib lab; Cov dej ntws tau pom zoo kom siv tus nqi ntws siab tshaj plaws, tus nqi txaus yuav tsum tsis pub tsawg tshaj li 1.5m \/ s; Cov dej paug yuav tsum tau qhia txog kev siv hluav taws xob kom ruaj khov los yog cov yeeb nkab ntawm cov yeeb nkab ntawm cov yeeb nkab uas yuav tsum tsis txhob muaj qhov tso dej tsis zoo; Pipeline offage yeeb nkab yuav tsum tau yaug tag; Dej ntws yuav tsum tau nqa tawm tsis tu ncua, thiab cov xim thiab cov pob tshab ntawm qhov hluav taws xob cov hluav taws xob tawm thiab cov dej ntawm cov hnyuv yuav tsum yog kev pom zoo li cov tsim nyog; Thaum cov raj xa dej tsis yog kev ua haujlwm rau ib pliag tom qab tsim nyog rau dej ntws, nws yuav tsum tau qhuav kom qhuav rau lub sijhawm.
Thib Ob, Tshuaj Tu
Thaum lub raj dej tau ntxuav, nws yuav tsum tau cais los ntawm cov khoom siv tsis muaj kev cuam tshuam; cov mis ntawm cov kua tu cov kua dej yuav tsum tau txheeb thiab siv rau hauv cov cuab yeej ntau lawm, uas tau raug pov thawj kom ua tau zoo thiab ntseeg tau; Thaum muaj tshuaj ntxuav tshuaj, cov neeg ua haujlwm yuav tsum hnav khaub ncaws tiv thaiv tshwj xeeb, thiab raws li kev phom sij ntawm cov hnab looj tes nrog tib neeg lub cev nrog cov iav sib txawv, cov iav npog thiab lwm yam kev tiv thaiv roj; Tshuaj ntxuav cov raj xa dej ntxuav, thaum nws tsis tuaj yeem muab tso rau hauv kev ua haujlwm nyob rau lub sijhawm, nws yuav tsum raug kaw lossis nitrogen-fullow tiv thaiv; Kev ntxuav tshuaj lom neeg yuav tsum tau ua kom raws sijhawm; Tshuaj lom neeg ntxuav tshuaj yuav tsum tau ua raws lub sijhawm kom tiv thaiv cov raj xa dej. Thaum lub raj xa dej tsim nyog rau kev ntxuav tshuaj lom neeg tsis tuaj yeem muab tso rau hauv lub sijhawm ua haujlwm, nws yuav tsum raug kaw lossis sau nrog nitrogen rau kev tiv thaiv; Kev kho mob thiab kev tawm ntawm cov khoom pov tseg ua kua tom qab kev ntxuav tshuaj tom qab tshuaj lom yuav tsum tau nyob hauv txoj kab nrog cov kev cai ntawm kev tiv thaiv ib puag ncig. Acid ntxuav thiab alkali ntxuav ntawm pipelines muaj rau cov uas tau cov tshuaj tu.
Roj Ntxuav
Lubrication, sealing thiab tswj ntawm cov roj pipeline, yuav tsum nyob rau hauv kev siv tshuab thiab xa dej tom qab dhau kev sim ua haujlwm hauv kev siv roj; Kev tu roj yuav tsum tau nqa tawm hauv daim ntawv ntawm cov roj ncig, txheej txheem ntau dua li ntawm 40 ~ 70 zaug, thiab yuav tsum ntxuav kom huv sijhawm lossis hloov cov cartridge; Thaum cov qauv tsim lossis cov qauv tsim khoom tsis tas yuav tsum tau ua kom huv si nrog 6000r \/ min screen excification 200 mesh, mos mos tsis ntau tshaj 3; Kev tu roj yuav tsum tau siv los ntxuav cov tshuab haum rau kev ntxuav cov roj, ntxuav cov ntsuas kev tsim nyog, kev tiv thaiv kev tiv thaiv zoo yuav tsum tau ua; Kev xeem khiav yuav tsum tau siv ua ntej daim ntawv pov thawj ntawm kev ua haujlwm ntawm cov roj ua haujlwm yuav tsum tau siv daim ntawv pov thawj tsim nyog ua ntej kev sim ua ntej kev sim ua ntej.
Plaub, cua tshuab
Cov cuab yeej siv cua tshuab hluav taws xob yuav tsum tau siv los tsim cov khoom siv hluav taws xob loj loj, tuaj yeem siv cov cuab yeej hauv cov thawv ntim loj, tshuab sib deev; Tshuab siab siab yuav tsis pub dhau tus tsim kev tsim kho ntawm lub raj dej siab yuav tsum tsis pub tsawg tshaj 20m \/ s, cov roj raj xa dej, cov roj yuav tsum tsis muaj roj; Cov txheej txheem cua ua ke, thaum pom kev pom ntawm cov pa hluav taws xob ua kom huv, yuav tsum tau teeb tsa cov thawv ntoo dawb, tsis muaj pa taws rau ntawm lub phiaj phaj tsis pub dhau 5min. Tsis muaj xeb, plua plav, ya raws thiab lwm cov khib nyiab ntawm lub hom phiaj hauv pawg lag luam tsis pub dhau 5min yog tsim nyog.
V. Chav tshuab
Cov raj raj raj hluav taws xob tshuab, chav tshuab rau kev teeb tsa cov kav dej ib ntus, kev teeb tsa zoo yuav tsum tau nyob hauv txoj kev ntawm cov kev qhia tshwj xeeb; Chav dej pipeline yuav tsum tau tshuab nrog cov dej ntws siab, tus nqi txaus yuav tsum tsis txhob tsawg dua 3 {{m \/ s; Tshuab tshuab yuav tsum tau los ua kom tawg raws li kev txiav txim ntawm lub voj voog ntawm cov cua txias-cua sov-cua sov, nws raug nquahu kom siv lub tshuab ib lub sijhawm, noj kom tshuab; rau lub tshuab turbine lossis cov qauv tsim muaj cov ntaub ntawv tso tawm, cov qauv siv yuav tsum tau teev tseg tom qab lub hom phiaj φ0.6mm lossis tsawg dua, qhov tob ntawm cov kab<0.5mm, the number of grains 1/cm2, time 15min (both are qualified), and so on.
