HT PIPE muab txhua yam sib txawv thiab ntsuas ntawm flanges. Thov koj txhob xav li castiv tauj pebrau cov lus qhia ntxiv txog cov khoom thiab tus nqi.
Hastelloy C276 WN flange(Weld Neck Flange) muab cov txheej txheem kev daws teeb meem tseem ceeb.Los ntawm kev sib koom ua ke siab -kev ua tau zoo ntawm cov npib tsib xee-molybdenum-chromium-tungsten matrix nrog kev ntxhov siab zoo tshaj- faib khoom vaj tsev ntawm tapered, forged hubs rau kev ruaj ntseg tshwj xeeb, qhov no muaj kev nyab xeeb ua ib puag ncig.
Architecture ntawm Forged Weld Neck Hub
Tsis zoo li cov plahaum tiaj tus- ntawm lwm txoj hauv kev uas yuav tsum tau muaj cov welds ntawm ob sab hauv thiab sab nrauv, lub caj dab weld flange tau koom nrog ib leeg, puv - nkag V- zawj pob tw weld ntawm qhov kawg ntawm lub hub bevel. Qhov no architecture muab cov qauv zoo sib xws:
Kev Ruaj Ntseg Redistribution:Lub hub tapered ua raws li tus qauv qib, hloov cov kav dej hauv cheeb tsam kev ntxhov siab -xws li thermal expansion contraction, mechanical vibration, and water hammer shocks- debut from the flange ring base and smoothly into the run of the pipe.
Erosion Mitigation:Vim hais tias sab hauv txoj kab uas hla (ID) ntawm lub dhuav hub yog precision -machined kom haum raws li lub sij hawm thiab bore puab ntawm cov yeeb nkab sib txuas, cov kua dej sab hauv tseem ntws tawm. Qhov no tshem tawm cov kauj ruam sai sai lossis qhov sib txawv sab hauv uas tshwm sim nrog nplawm- ntawm kev sib txuas, tshem tawm cov dej ntws hauv cheeb tsam thiab cov eddy tam sim no uas ua rau muaj kev yaig nrawm dua -corrosion.
Radiographic Verifiability:Qhov tshwm sim ntawm pob tw weld sib koom ua ke tso cai rau kev huv, tsis muaj kev cuam tshuam tsis yog -kev kuaj kev puas tsuaj (NDT), suav nrog tag nrho ntim hluav taws xob (X-ray) lossis kuaj ultrasonic. Qib ntawm kev txheeb xyuas qhov zoo no yog qhov tseem ceeb rau siab - cov tshuab siab uas tsis tau lees paub kev sib koom ua ke ua rau muaj kev pheej hmoo loj rau kev nyab xeeb.
Hastelloy C276 Tshuaj muaj pes tsawg leeg
| Qib | C | Mn | Si | S | Co | Ni | Cr | Fe | Mo | P |
| C276 | 0.010 max | max 1.00 Nws | 0.08 max | 0.03 max | 2.50 max | 50.99 feeb* | 14.50 – 16.50 | 4.00 – 7.00 | 15.00 – 17.00 | 0.04 max |
2.4819 Alloy C276 Mechanical Properties
| Qib | Qhov ntom | Melting Point | Tensile zog | Yield zog (0.2% Offset) | Elongation |
| C276 | 8.89 G / Cm33 | 1370℃(2500℃F) | Psi - 1,15,000, MPa - 790 | Psi - 52,000, MPa - 355 | 40 |
Kev sib koom ua lag luam tseem ceeb
Kev sib xyaw ua ke ntawm cov qauv tsim muaj zog thiab ruaj khov alloy chemistry ua rau Hastelloy C276 WN flange tseem ceeb rau kev xav tau cov txheej txheem thoob plaws ntau qhov haujlwm:
Cov kua qaub Extraction (Oil & Gas):Ua kom muaj siab ntawm hydrogen sulfide, carbon dioxide, thiab chlorides yam tsis muaj kev pheej hmoo ntawm sulfide kev nyuaj siab tawg (SSC).
Flue Gas Desulfurization (FGD):Tiv thaiv cov pa phem sulfur dioxide thiab kub, acidic chloride slurries tsim nyob rau hauv fossil-roj fais fab nroj tsuag scrubbers.
Tshuaj Synthesis:Muab kev pabcuam kev vam khom rau hauv cov kab nqa hnyav txo cov kua qaub, xws li kub hydrochloric, sulfuric, thiab hydrofluoric acid sib tov.
Engineering thiab Alignment Practices
Ua kom muaj kev ruaj ntseg sib koom ua ke yuav tsum muaj kev txhim kho meej thaum lub sijhawm ua haujlwm:
Bore Alignment:Lub sij hawm los yog phab ntsa thickness ntawm lub hub kawg yuav tsum phim cov yeeb nkab teem (xws li Sch 40, Sch 80). Misaligned puab bores tsim me me nyob rau hauv cov kauj ruam uas ua kom muaj dej turbulence thiab ua kom yaig.
Thermal Controls:Ntxuav thaj chaw sib koom kom huv si ua ntej vuam los tiv thaiv kev sib kis ntawm cov kab mob xws li sulfur lossis zinc, uas ua rau kub - tawg. Interpass kub yuav tsum khaws cia qis dua 200℃F (93 degree) kom tiv thaiv kev loj hlob ntawm cov nplej ntau dhau.
