GNEE yog tus thawj coj thoob ntiaj teb lees paub hauv kev tsim khoom thiab muab cov khoom siv hauv kev lag luam, suav nrog cov khoom siv hluav taws xob, cov khoom siv hluav taws xob tua hluav taws, cov cua txias, thiab lawv cov khoom tseem ceeb. Nrog rau ntau xyoo ntawm kev txawj ntse thiab kev cog lus kom xa cov khoom zoo tshaj plaws, peb pab cov neeg siv khoom thoob plaws ntau yam kev lag luam thoob ntiaj teb.
Ntawm peb cov khoom hwm zoo yog ASTM SA179 Seamless Carbon Steel Tube, tshwj xeeb tsim rauTsau Tube Sheet Thaum tshav kub kub Exchangers. Renowned rau nws zoo heev thermal conductivity, durability, thiab kev cia siab, SA179 seamless hlab yog qhov zoo tshaj plaws kev xaiv rau npaum thiab ntev -siv cua sov exchanger systems.
ASTM SA179 Chemical Composition thiab Mechanical Properties
| Lub ntsiab | Kev sib xyaw (%) |
|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.06 |
| Manganese (Mn) | 0.27–0.63 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.035 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.035 |
Cov ntsiab lus tsis tshua muaj carbon nyob rau hauv SA179 txo qhov kev pheej hmoo ntawm carbide nag lossis daus, ua kom zoo dua ductility thiab weldability thaum tuav cov thermal conductivity zoo.
| Khoom | Tus nqi |
|---|---|
| Tensile zog | Ntau dua lossis sib npaug rau 325 MPa (47,000 psi) |
| Yield zog | Ntau dua lossis sib npaug rau 180 MPa (26,000 psi) |
| Elongation | Ntau dua lossis sib npaug li 35% |
| Hardness | Tsawg dua lossis sib npaug rau 72 HRB |
Cov khoom siv kho tshuab no ua kom ntseeg tau tias SA179 seamless raj tuaj yeem tiv taus qhov kub siab thiab kub thaum tswj kev ua haujlwm ruaj khov thiab hloov pauv tau zoo.
Technical Specifications
| Tsis muaj. | Parameter | Specification |
| 1 | Tsim Siab (Shell) | 2.5 MPa (362 psi) |
| 2 | Tsim Siab (Tube) | 4.0 MPa (580 psi) |
| 3 | Nozzle Standards | ANSI B16.5 RF Flanges (Class 150/300) |
| 4 | Flange Khoom | ASTM A105 Forged Carbon hlau |
| 5 | Hom Gasket | Kauv-Qhov txhab (SS316L + Graphite Filler) |
| 6 | Bolting | ASTM A193 B7 Studs + A194 2H txiv ntseej |
| 7 | Txhawb nqa | Tsau Saddle Supports (SA516 Gr.70) |
| 8 | Nto Finish (plhaub) | Sandblasted (SA 2.5) + Epoxy Txheej (Ntau dua lossis sib npaug li 120 μm) |
| 9 | Tube Sab hauv tiav | Electropolished (Ra tsawg dua lossis sib npaug rau 0.8 μm) |
| 10 | Thermal Efficiency | Ntau dua los yog sib npaug rau 95% (Clean Condition) |
| 11 | Kub Hloov Coefficient | 500–1,200 W/m²·K (Varied nrog Chav Velocity) |
| 12 | Plhaub-Side Pressure Drop | Tsawg dua los yog sib npaug rau 0.05 MPa (7.25 psi) |
| 13 | Tube-Side Pressure Drop | Tsawg dua los yog sib npaug rau 0.1 MPa (14.5 psi) |
| 14 | Fouling Resistance | 0.0002 m²·K/W (Tube Sab) / 0.0001 m²·K/W (Phaub Sab) |
| 15 | Max Steam Flow Rate | 50–200 t/h |
| 16 | Condensing peev xwm | 10-100 MW |
| 17 | Vuam Standards | ASME Sec IX (SAW for Longitudinal Welds, GTAW for Tube-to-Tubesheet Joints) |
| 18 | NDT Methods | 100% RT (Shell Welds), PT (Tubesheet Joints), UT (Clad Bond Integrity) |
| 19 | Hydrostatic Test | 1.5 × Tsim Siab (30 feeb, xoom xoom) |
| 20 | Pneumatic Test | 1.1 × Tsim Siab (Helium Mass Spectrometry Leak Detection) |
| 21 | Third-Kev Tshawb Fawb | TÜV/SGS Pom Zoo (Yeem) |
| 22 | Cov ntawv pov thawj | ASME U Stamp, PED 2014/68/EU, ISO 9001/14001 |
| 23 | Installation Ib puag ncig | Sab Hauv Tsev / Sab nraum zoov (IP55 Tiv Thaiv), Seismic Zone 4 (IBC 2018) |
GNEE tsom mus rau R & D, kev tsim khoom thiab cov kev pabcuam cuam tshuam ntawm cov khoom siv hluav taws xob hloov hluav taws xob thiab cov hlab ntsha siab. Nws cov khoom tseem ceeb suav nrog cov khoom siv hluav taws xob sib txawv (cov cuab yeej tseem ceeb rau kev sib pauv cua sov), cov tshuaj tiv thaiv- hom nkoj siab (kaw cov khoom siv rau cov tshuaj tiv thaiv kab mob), thiab cov yees (loj - cov cuab yeej siv rau kev sib cais, nqus thiab lwm yam txheej txheem), uas tau siv dav hauv kev lag luam tshuaj lom neeg, kev lag luam petrochemical, lub zog, tshuaj thiab lwm yam kev lag luam.
Yog tias koj xav paub txog qee yam khoom, koj tuaj yeem xa email rauglobal@gneesteels.com