Hauv cov lag luam uas muaj cov kev cai nyab xeeb nruj heev - xws li kev tsim hluav taws xob, petrochemicals, thiab kev tsim kho hlau - qhov zoo ntawm cov kav hlau cuam tshuam ncaj qha rau tag nrho lub neej ntawm qhov project thiab kev nyab xeeb ua haujlwm. Ua tus neeg muab khoom yeeb nkab hlau, peb lees paub tias daim ntawv pov thawj ISO 9001 tsis yog daim ntawv pov thawj xwb; nws sawv cev rau cov txheej txheem kev lees paub zoo uas suav nrog txhua theem ntawm kev tsim khoom, los ntawm cov khoom siv raw mus rau cov khoom tiav. Tsab xov xwm no tshawb nrhiav cov txheej txheem tswj kev zoo thiab cov qauv yeeb nkab hlau los piav qhia vim li cas cov kav dej boiler tau ntawv pov thawj (A335series),cov raj plaub fab (EN10210), thiabcov kav dej vuam (EN10219) yog qhov kev xaiv txhim khu kev qha rau koj cov kev xav tau.
I. ISO 9001: "Kev Lav Paub Txog Qhov Zoo ntawm Cov Yeeb Nkab Hlau"
Lub ntsiab lus tseem ceeb ntawm ISO 9001 kev tswj hwm zoo yog tsim kom muaj PDCA (Plan-Do-Check-Act) mechanism rau kev txhim kho tas mus li. Rau cov tuam txhab tsim cov yeeb nkab hlau, qhov no txhais tau tias txhua theem—txij li kev yuav khoom siv raw thiab kev tswj cov txheej txheem tsim khoom mus rau kev tshuaj xyuas cov khoom tiav—yog tswj hwm los ntawm cov qauv tsim thiab txhawb nqa los ntawm cov ntaub ntawv pov thawj.
Cov tuam txhab ua yeeb nkab hlau uas tau ntawv pov thawj raws li ISO 9001 yuav tsum siv txoj kev tswj xyuas zoo tag nrho. Piv txwv li kev lag luam qhia tau tias tom qab siv daim ntawv pov thawj no, cov chaw tsim cov yeeb nkab vuam tau txo cov nqi vuam tsis zoo los ntawm 2.3% mus rau 0.8% thiab txiav cov nqi pov tseg ntawm cov khoom siv raw los ntawm 18%; los ntawm Kev Tswj Xyuas Txheej Txheem Txheeb Cai (SPC), tus nqi Cpk rau cov txheej txheem tseem ceeb tuaj yeem ruaj khov siab dua 1.67. Cov txheej txheem taug qab uas xav tau los ntawm daim ntawv pov thawj ua rau muaj kev taug qab kawg-rau-kawg los ntawm cov hlau hlau raw mus rau cov yeeb nkab tiav, kom ntseeg tau tias txhua yam teeb meem tuaj yeem taug qab thiab daws tau meej hauv 24 teev.
Ntxiv mus, daim ntawv pov thawj ISO 9001 ua haujlwm ua "daim ntawv hla tebchaws" rau kev sib tw hauv kev lag luam hauv tsev thiab thoob ntiaj teb, tshem tawm cov teeb meem rau kev lag luam thoob ntiaj teb. Ntau lub tuam txhab ua lag luam - xws li Hunan Shengli Xianggang Steel Pipe thiab Changzhou Tianzhan Steel Pipe - tau txais daim ntawv pov thawj ISO 9001 "Integrated Management System" los txhawb lawv lub koob npe nrov hauv kev lag luam. Kev xaiv tus neeg muag khoom yeeb nkab hlau uas tau ntawv pov thawj txhais tau tias xaiv rau lub kaw lus pov thawj zoo uas muaj kev taug qab, kev tswj hwm cov txheej txheem, thiab kev txhim kho tas mus li.
Cov raj boiler yog cov khoom tseem ceeb hauv cov chaw tsim hluav taws xob boilers, superheaters hauv kev lag luam petrochemical, cov kav dej ncu, thiab cov kav dej siab rau cov khoom siv hluav taws xob nuclear. Cov kav hlau chromium-molybdenum alloy steel uas tsis muaj qhov sib txuas uas tau npog los ntawmASTM A335 tus qauvyog tsim tshwj xeeb rau kev ua haujlwm kub thiab siab.
Cov qib A335 tseem ceeb uas peb tsim muaj xws li:
A335 P11(1.25Cr-0.5Mo): Haum rau qhov kub thiab txias txog li 538°C; siv dav hauv cov boiler superheaters, cov kav dej rov ua kom sov, thiab cov taub hau faib pa.
A335 P22(2.25Cr-1Mo): Muaj peev xwm ua haujlwm ntawm qhov kub txog li 580 ° C thiab siab ≥9.8 MPa; muaj kev tiv taus zoo dua rau hydrogen corrosion thiab ua haujlwm ua cov khoom siv txheem rau cov taub hau pa siab hauv cov chaw tsim hluav taws xob.
A335 P91(9Cr-1Mo-V-Nb): Haum rau qhov kub thiab txias txog li 593°C; muaj zog nkag 2–3 npaug ntawm P22, uas ua rau kom phab ntsa tuab txo tau 30%–50% nyob rau hauv cov qauv tsim zoo sib xws, yog li ntawd txo qhov hnyav ntawm cov kav dej.
Kev tsim cov raj boiler zoo no yuav tsum tau tswj hwm cov txheej txheem kom zoo. Cov raj boiler siab A335 P91 siv cov txheej txheem peb theem—Electric Arc Furnace (EAF) yaj, Ladle Furnace (LF) refining, thiab Vacuum Degassing (VD)—kom ntseeg tau tias cov hlau huv. Cov txheej txheem kho cua sov cuam tshuam ncaj qha rau cov khoom siv, thiab kev tswj hwm nruj rau kev kho cua sov ua ntej thiab tom qab vuam yog qhov tseem ceeb. Tag nrho cov ntsiab lus tswj hwm tseem ceeb no tau tswj hwm raws li ISO 9001 kev tswj hwm zoo.
LubEN10210 tus qauvqhia txog cov xwm txheej kev xa khoom rau cov khoom siv kub-ua los ntawm cov hlau tsis sib xyaw thiab cov hlau zoo. Peb cov khoom siv raj plaub fab yog tsim tawm raws li tus qauv European no, suav nrog cov khoom siv xws liS235JRH, S275JOH, thiabS355J2H.
Tus qauv EN10210 qhia txog cov kev cai rau kev ntsuas qhov ntev, cov duab, qhov hnyav, kev kam rau siab, cov khoom siv, cov yam ntxwv kho tshuab, thiab qhov zoo ntawm qhov chaw. Hauv qab EN10210, kev kam rau siab ntawm phab ntsa yog tswj ntawm ± 1% (yam tsawg kawg nkaus ± 0.5 hli), thiab kev kam rau siab ntawm sab nraud ntawm ± 1%. Cov khoom no siv dav hauv cov lag luam xws li kev tsim kho hlau, kev tsim khoom siv, kev tsim choj, thiab cov qauv tsheb thiab nkoj.
Tuav ob daim ntawv pov thawj rau ISO 9001 thiab EN10210 txhais tau tias peb cov raj square tsis yog tsuas yog ua tau raws li cov qauv European nruj rau qhov tseeb ntawm qhov ntev xwb tab sis kuj tseem muaj kev tswj xyuas zoo uas taug qab tau thoob plaws hauv tag nrho cov txheej txheem ntau lawm.
LubEN10219 tus qauvnpog cov kev cai rau cov tshuaj lom neeg sib xyaw, cov khoom siv kho tshuab, thiab kev sim kev kam rau siab rau cov hlau hollow uas tau tsim txias. Peb cov khoom siv yeeb nkab welded suav nrog ntau yam khoom siv qib, los ntawmS235JRHrau S460MLH.
EN10219 qhia meej txog qhov yuav tsum tau ua kom pom tseeb rau txoj kab uas hla sab nraud, phab ntsa tuab, ntev, thiab qhov siab ntawm cov xov hlau. Cov qib sib txawv ntawm cov khoom sib xws rau cov zog sib txawv thiab cov qib kev cuam tshuam; piv txwv li, S235JRH muab lub zog tso zis ntawm ≥235 MPa (rau phab ntsa tuab ≤16 hli), thaumS355J2Hmuab kev cuam tshuam ntawm ≥27 J ntawm -20 ° C.
Cov lag luam uas tau ntawv pov thawj ISO 9001 feem ntau pom tias lawv cov yeeb nkab vuam nce ntxiv 12% -15%. Peb ua raws li tus qauv ISO 9001: 2015, tswj hwm lub kaw lus tswj xyuas zoo uas suav nrog cov txheej txheem sau tseg, kev tswj hwm cov txheej txheem, kev tswj hwm cov peev txheej, thiab kev ntsuas, kev tshuaj xyuas, thiab kev txhim kho, kom ntseeg tau tias txhua lub yeeb nkab EN10219 vuam ua tau raws li cov qauv thoob ntiaj teb.
V. Vim li cas ho xaiv peb?
Kev Ruaj Ntseg ntawm Lub Txheej Txheem: Peb siv zog ua raws li ISO 9001 kev tswj hwm zoo, kom ntseeg tau tias kev tswj hwm txij thaum pib mus txog thaum kawg los ntawm kev yuav khoom siv raw mus rau kev xa cov khoom tiav. Cov Qauv Txheej Txheem: Peb cov khoom lag luam suav nrog cov qauv thoob ntiaj teb tseem ceeb, suav nrog ASTM A335 (boiler raj), EN10210 (kub-ua tiav plaub fab hollow seem), thiab EN10219 (txias-ua welded hollow seem).
Kev taug qab tag nrho: Cov ntaub ntawv tsim khoom tiav thiab cov ntaub ntawv zoo raug khaws cia rau txhua pawg, kom ntseeg tau tias taug qab tag nrho thoob plaws hauv cov txheej txheem.
Kev Txheeb Xyuas Los Ntawm Sab Nraud: Cov ntawv pov thawj khoom siv ua raws li EN 10204 3.1 lossis 3.2 tus qauv muaj, lav 100% kev ua raws li cov tshuaj lom neeg thiab cov khoom siv kho tshuab.
Thaum xaiv cov raj boiler, cov seem hollow square, lossis cov kav dej welded, daim ntawv pov thawj ISO 9001 tsis yog qhov kawg - nws yog qhov pib ntawm peb txoj kev cog lus zoo. Kev xaiv peb txhais tau tias tau txais kev txhawb nqa ntawm lub kaw lus lees paub zoo thoob ntiaj teb.
Tiv tauj peb kom paub meej txog cov khoom thiab daim ntawv pov thawj zoo - cia cov qauv hais lus thiab qhov zoo ua pov thawj nws tus kheej.
Lub sijhawm tshaj tawm: Lub Xya Hli-21-2026
