Qhov qhov cua tsis ua haujlwm - tsis yog los ntawm qhov tsis muaj cua, tab sis los ntawm corrosion-induced lwj. Peb tau pom nws ua ntej: cov kiv cua tau teeb tsa hauv cov tshuaj cog tunnels poob cov hniav kev ncaj ncees hauv 18 lub hlis; marine-qib ntug hiav txwv tunnels qhia pitting ntawm vaj tse tom qab ib lub caij ntuj no xwb; Txawm tias cov pob zeb-lined metro tunnels tsim cov tshuaj chloride-tsav kev nyuaj siab tawg nyob ib ncig ntawm mounting flanges. Corrosion tsis tshaj tawm nws tus kheej nrog lub tswb - nws ntxhi los ntawm kev ua haujlwm qeeb qeeb, nce kev vibration, thiab tsis piav qhia lub cev muaj zog. Yog vim li cas a corrosion-resistant qhov ntxuam tsis yog kev txhim kho. Nws yog lub hauv paus yuav tsum tau rau qhov cua uas kav ntev.
Yog vim li cas Standard Fans tsis nyob hauv av - thiab dab tsi tuav
Feem ntau cov kiv cua tunnel xav tias huab cua ambient. Tiag tiag tunnels xa cov kua qaub vapors, ntsev-laden pos huab, sulfur dioxide los ntawm cov pa roj carbon dioxide, los yog condensate pooling ntawm cov ntsiab lus qis. Carbon steel tsev corrode ntawm 0.1-0.3 hli / xyoo nyob rau hauv xws li ib puag ncig - txaus los cuam tshuam cov txheej txheem rigidity nyob rau hauv tsib xyoos. Aluminium resists ntsev tab sis dissolves nyob rau hauv acidic fumes. Stainless 304 tuav me me tab sis raug kev cuam tshuam intergranular nyob ze welds thaum chlorides mloog zoo. Qhov kho tsis yog hlau tuab. Nws yog cov khoom siv ntse sib txuas thiab kev tiv thaiv theem.
Zibo Hongcheng Ntxuam Co., Ltd. engineers qhov kev muaj tiag no rau txhua chav. Lawv cov kiv cua tiv thaiv corrosion siv ob txheej tiv thaiv: cov qauv hauv paus ntawm ASTM A588 weathering steel (nrog tooj liab-chromium-nickel alloying) rau kev ruaj ntseg oxide, ntxiv rau kev xaiv epoxy-polyester hybrid txheej ntsuas rau ISO 12944 C5-M (marine immersion level). Rau cov xwm txheej hnyav-xws li cov pa roj av lossis cov desulfurization tunnels-lawv koom ua ke titanium alloy impellers (Qib 2 lossis Qib 7), kuaj rau ASTM B348 tensile yield> 345 MPa thiab corrosion rate <0.025 mm / xyoo hauv 10% H₂SO₄ C. Tsis muaj "ib-size-fits-tag nrho" txheej. Txhua qhov kev qhia tshwj xeeb qhia txog qhov tseeb ntawm qhov chaw chemistry - tsis yog qhov kev xav hauv lab.
Kev Ua Haujlwm Hauv Ntiaj Teb tiag tiag xav tau dhau los tiv thaiv xeb
Kev tiv thaiv corrosion ib leeg txhais tau tias me ntsis yog tias tus kiv cua tsis tuaj yeem txhawb nqa kev ua haujlwm. Peb tau tshawb xyuas 12 qhov kev teeb tsa qhov chaw uas cov kiv cua dhau qhov kev ntsuam xyuas ntsev-txhaj tshuaj tab sis ua tsis tiav qhov kev lees paub-vim kev vibration spiked ntawm 72 Hz vim tsis sib npaug ntawm cov titanium hniav, los yog vim thermal expansion mismatch tawg epoxy seals nyob rau hauv txhua hnub 40 ° C cycling. Zibo Hongcheng hais txog cov kev ua tsis tiav zais cia:
- Dynamic ntsuas rau ISO 1940 G2.5-tsis G6.3-tshwj xeeb hauv kev thauj khoom, tsis ua haujlwm
- Thermal expansion them nyiaj nyob rau hauv mounting thav duab, siv bimetallic shims rau tunnels spanning -20 ° C rau +65 ° C
- Foob geometry validated tiv thaiv 10⁵ lub voj voog siab (simulating 20 xyoo ntawm damper actuation)
- Lub cev muaj zog rwb thaiv tsev ntsuas F-chav kawm (155 ° C), nrog conformal txheej ntawm windings rau humidity ingress kuj
Lawv FBD series tunnel kiv cua khiav tsis tu ncua-lub luag haujlwm ntawm 4,500 Pa zoo li qub siab thiab 120,000 m³ / h ntws-tsis muaj kev cuam tshuam rau cov npoo npoo. Tias yog vim li cas kev tswj corrosion yog embedded nyob rau hauv mechanical tsim, tsis bolted raws li ib tug afterthought.
Customization Uas Sib Nqus Qhov Chaw Muaj Peev Xwm - Tsis yog Cov Ntawv Teev Npe
"Corrosion-resistant" txhais tau hais tias sib txawv ntawm cov thee mine ncej piv rau lub subway tunnel piv rau cov dej khib nyiab. Qee cov neeg muag khoom muaj peb txheej txheej txheej thiab hu rau nws customization. Zibo Hongcheng kho txhua qhov haujlwm raws li cov khoom sib tw engineering. Lawv thov cov ntaub ntawv tshwj xeeb ntawm qhov chaw: pH ntawm cov qauv condensate, SO₂ concentration cav, chloride ion ppm hauv dej ntxuav, txawm tias lub caij nyoog dew point curves. Tom qab ntawd lawv xaiv - tsis sau ntawv.
Piv txwv li: lub qhov nyob ze ntawm Qingdao chaw nres nkoj xav tau kev tiv thaiv rau NaCl aerosol * thiab * UV degradation los ntawm nruab hnub nrig. Standard epoxy yellowed thiab chipped. Lawv txoj kev daws teeb meem? Ib lub fluoropolymer topcoat tshaj zinc-nplua nuj primer, siv nrog robotic spray taub hau rau ± 5 μm thickness tswj. Lub sij hawm xa tuaj: 6 lub lis piam—tsis yog 12. Tsis muaj kev cuam tshuam rau daim ntawv pov thawj: txhua chav muaj CE, CCC, thiab ATEX Zone 1/21 cov cim qhov xav tau. Kev cai tsis txhais tias qeeb dua. Nws txhais tau hais tias haum-rau-lub hom phiaj, txheeb xyuas ua ntej ua zaub mov xa tuaj.
Tus nqi mus sij hawm ntev pib nrog kev teeb tsa - thiab txuas ntxiv tom qab commissioning
Lub kiv cua tiv thaiv corrosion them rov qab rau xyoo peb-tsis yog ib xyoos. Nws ROI tshwm sim nyob rau hauv zam downtime: tsis muaj unplanned shutdowns rau cov hniav hloov, tsis muaj thaum muaj xwm ceev lub cev muaj zog rewinds vim ya raws ingress, tsis muaj structural reinforcement ntawm mounting brackets. Tab sis tus nqi nyob ntawm qhov raug xa mus. Zibo Hongcheng muab cov khoom siv teeb tsa los ntsuas rau qhov geometry - tsis yog pob khoom kho vajtse. Lawv cov engineers txheeb xyuas cov khoom thauj tog rau nkoj torque specs tiv thaiv substrate ceev (qib qhob, shotcrete daim ntawv cog lus lub zog), kho inlet cone kaum rau cov uas twb muaj lawm duct turbulence profiles, thiab validate vibration cais mounts rau resonant frequencies hauv qab no 12 Hz.
Tom qab kev teeb tsa, lawv taug qab kev ua tau zoo los ntawm kev xaiv IoT sensors - saib xyuas cov kabmob kub cev, kev sib haum xeeb tam sim no, thiab kev sib txawv ntawm huab cua tawm tsam qhov pib. Thaum cov ntaub ntawv qhia tias 3.2% kev ua haujlwm poob qis tshaj rau lub hlis, lawv pab pawg kuaj xyuas seb nws puas yog fouling, me corrosion pib, los yog tsav txoj siv stretch-ua ntej nws yuav tsis ua hauj lwm. Qhov no tsis yog kev pabcuam. Nws yog kev ua haujlwm txuas ntxiv txhim kho hauv.
Rau qhov av uas qhov cua tsis yooj yim - nws yog kev nyab xeeb lub neej -a corrosion-resistant qhov ntxuam yuav tsum khwv tau nws lub npe txhua hnub. Tsis nyob hauv ib lub lab. Tsis yog ntawm daim ntawv. Hauv qhov ntub dej, tshuaj lom neeg ua haujlwm, kev vibration-nrhiav kev muaj tiag ntawm underground infrastructure. Zibo Hongcheng Ntxuam Co., Ltd. tsim cov kiv cua uas dhau qhov kev sim - tsis yog ib zaug, tab sis rau kaum tsib xyoos. Vim tias qhov cua mus ntev tsis pib nrog cov kev ntsuas huab cua. Nws pib nrog cov ntaub ntawv uas tsis kam tso tseg.
