Kev tiv thaiv hluav taws kub rau cov qauv steel

Kev tiv thaiv hluav taws kub rau cov qauv steel

 

 1. Hluav taws kub tsis kam thiab hluav taws kub tsis kam ntawm steel qauv 

Qhov zoo ntawm lub zog siab thiab ductility txiav txim siab tias cov qauv hlau muaj cov yam ntxwv ntawm lub teeb tuag, kev ua haujlwm zoo seismic thiab muaj peev xwm loj.Lub caij no, cov qauv hlau tuaj yeem ua tiav hauv daim teb, kev tsim kho lub sijhawm luv luv, thiab cov ntaub ntawv tuaj yeem rov ua dua. Yog li ntawd, tsis muaj teeb meem nyob rau hauv lub tsev los yog txawv teb chaws steel qauv vaj tse tau dav siv.

Tab sis cov txheej txheem steel muaj lub pob taws Achilles: tsis zoo hluav taws kub.Yuav kom tswj tau lub zog thiab nruj ntawm steel qauv nyob rau hauv hluav taws rau lub sij hawm ntev thiab lav kev ruaj ntseg ntawm tib neeg lub neej thiab cov khoom, ntau yam kev tiv thaiv hluav taws tau txais kev pom zoo nyob rau hauv. Cov tswv yim ua haujlwm.Raws li cov qauv kev tiv thaiv hluav taws sib txawv, kev tiv thaiv hluav taws tau muab faib ua txoj kev tiv thaiv tshav kub thiab dej txias txoj kev.Cov txheej txheem cua sov tuaj yeem muab faib ua cov txheej txheem txau thiab txheej txheej encapsulation (hollow encapsulation thiab cov txheej txheem encapsulation). Cov dej txias txoj kev muaj cov dej nchuav txias txoj kev thiab cov dej yaug dej txias txoj kev.Nyob rau hauv daim ntawv no, ntau yam kev tiv thaiv hluav taws yuav raug qhia kom meej thiab lawv qhov zoo thiab qhov tsis zoo yuav muab piv rau.Resistance thiab hluav taws kub.
Qhov hluav taws kub tsis kam ntawm cov qauv steel yog hais txog lub sijhawm uas tus tswvcuab poob nws qhov kev ruaj ntseg lossis kev ncaj ncees thiab nws cov adiabatic tsis kam tiv thaiv hluav taws thaum lub sij hawm ntsuas hluav taws kub.

Txawm hais tias cov hlau nws tus kheej yuav tsis nyob rau hauv hluav taws, tab sis cov khoom siv hlau yog cuam tshuam los ntawm qhov kub thiab txias, tab sis qhov cuam tshuam toughness ntawm cov hlau ntawm 250 ℃ tee, tshaj 300 ℃, yield point thiab qhov kawg lub zog txo qis. Qhov kev thauj khoom tseem tsis hloov pauv, thiab qhov ntsuas kub tseem ceeb ntawm cov qauv hlau poob nws qhov kev sib npaug zoo li qub yog li 500 ℃, thaum qhov hluav taws kub dav dav ncav cuag 800 ~ 1000 ℃. Yog li ntawd, cov qauv hlau yuav sai sai tuaj yeem tshwm sim yas deformation nyob rau hauv siab. hluav taws kub, ua rau lub zos tsis ua hauj lwm, thiab nws thiaj li ua rau lub cev qhuav dej ntawm tag nrho cov steel qauv tsis ua hauj lwm.Kev tiv thaiv hluav taws yuav tsum tau coj nyob rau hauv steel qauv tsev ua kom lub tsev muaj txaus hluav taws tsis kam txwv. Tiv thaiv cov steel qauv los ntawm cua sov mus rau lub tseem ceeb kub ceev ceev nyob rau hauv qhov hluav taws kub, tiv thaiv lub deformation ntau heev rau lub tsev vau, thiaj li yuav yeej lub sij hawm muaj nuj nqis rau hluav taws kub sib ntaus sib tua thiab cov neeg ua hauj lwm kev nyab xeeb khiav tawm, zam los yog txo qhov poob los ntawm hluav taws.

2. Kev tiv thaiv hluav taws kub rau cov qauv hlau

Cov qauv hlau hluav taws tiv thaiv kev ntsuas raws li lub hauv paus ntsiab lus tau muab faib ua ob pawg: ib qho yog txoj kev tiv thaiv tshav kub, lwm qhov yog dej txias txoj kev.Lub hom phiaj ntawm cov kev ntsuas no zoo ib yam: kom qhov kub ntawm cov khoom tiv thaiv los ntawm kev nce siab tshaj nws qhov kub thiab txias ntawm ib lub sij hawm teev tseg.Qhov txawv yog tias txoj kev tiv thaiv tshav kub tiv thaiv kom tsis txhob muaj cua sov los ntawm kev xa mus rau cov khoom, thaum cov dej-txias txoj kev tso cai rau cov cua sov kom hloov mus rau cov khoom thiab tom qab ntawd hloov mus rau lub hom phiaj.

2.1 Resistance tshav kub

Resistance tshav kub txoj kev raws li qhov kev tiv thaiv tshav kub thiab kub tsis kam ntawm cov khoom siv txheej, hluav taws kub retardant txheej tau muab faib ua cov txheej txheem txau thiab cov txheej txheem txheej txheej txheej txheej los tsim hluav taws kub retardant txheej los ntawm txheej txheej los yog tshuaj tsuag txheej txheej los tiv thaiv thiab tuaj yeem muab faib ua qhov hollow. txheej txheej txheej thiab txheej txheej txheej txheej 

2.1.1 Txau txoj kev

Feem ntau USES fireproof xim txheej los yog tshuaj tsuag rau saum npoo ntawm cov hlau, refractory insulating tiv thaiv txheej tsim, txhim kho qhov hluav taws kub tsis kam ntawm steel qauv ntawm cov qauv no yog lub teeb yuag refractories ntev heev, thiab yuav tsum tsis txhob txwv steel tivthaiv geometry muaj kev lag luam zoo. thiab practicality, dav daim ntawv thov.Qhov ntau yam ntawm steel qauv hluav taws kub retardant txheej yog ntau, roughly muab faib ua ob pawg: ib tug nyias txheej hom hluav taws kub retardant txheej (B hom), uas yog steel qauv expansion hluav taws retardant khoom; Lwm yam yog ib tug tuab zaj duab xis. txheej (H) chav kawm B chav kawm hluav taws kub-retardant txheej, txheej thickness feem ntau yog 2-7 hli ua rau cov organic resin, muaj qee yam adornment nyhuv, thaum kub kub expansion thickening ntawm refractory txwv ntawm 0.5 ~ 1.5 H nyias nyias lub teeb yuag coated steel qauv hluav taws kub retardant txheej txheej vibration kuj zoo sab hauv tsev liab qab steel qauv lub teeb ru tsev steel qauv, thaum nws fireproof txwv nyob rau hauv 1.5 H thiab cov nram qab no, tsim nyog xaiv scumble H hom steel qauv hluav taws kub retardant txheej fireproof xim txheej thickness rau 8 ~ 50 hli feem ntau nyob rau hauv granular nto. Cov khoom xyaw tseem ceeb rau cov khoom siv thermal rwb thaiv tsev, me me thermal conductivity ntawm tsawg ntom Refractory txwv ntawm 0.5 ~ 3.0 h tuab coated steel qauv hluav taws kub retardant txheej feem ntau tsis hlawv aging kuj durability thiab txhim khu kev qha sab hauv tsev concealed steel qauv tag nrho cov steel qauv thiab steel qauv ntawm ntau yam. -story Hoobkas tsev, thaum cov cai saum toj no nws fireproof txwv nyob rau hauv 1.5 h, yuav tsum xaiv tuab coated steel qauv hluav taws kub retardant txheej.

2.1.2 txheej txheej

1) Hollow txheej txheej: feem ntau siv hluav taws tiv thaiv board lossis cib, raws ntug ntawm sab nraud ntawm cov tswv cuab steel, steel qauv parcel li domestic petrochemical kev lag luam steel qauv rhiav yog feem ntau txais yuav txoj kev tso cib qhwv steel cov tswv cuab ntawm steel qauv rau tiv thaiv txoj kev muaj qhov zoo ntawm lub zog siab Impact resistance, tab sis qhov tsis zoo yog siv qhov chaw loj dua kev tsim kho ntau yam teeb meem nrog refractory lub teeb phaj, xws li fiber reinforced cement plasterboard monolayer slab rau hluav taws tiv thaiv npog txoj kev rau lub thawv pob ntawm cov hlau loj nrog tsis tshua muaj nqi poob rau decorate nto theem tawm yog du yam tsis muaj ib puag ncig muaj kuab paug aging kuj thiab lwm yam zoo, nws muaj zoo prospects rau nce qib.2) Cov txheej txheem txheej txheej: feem ntau yog los ntawm cov pob zeb, cov tswv cuab steel qhwv, kaw tag nrho cov qauv hlau xws li lub ntiaj teb nyiaj txiag chaw Shanghai Pudong steel kem yog nws qhov zoo dua yog tias los ntawm txoj kev muaj zog, cuam tshuam, tab sis qhov tsis zoo yog tias pob zeb npog los nqa qhov chaw yog loj Kev tsim kho yog teeb meem, tshwj xeeb tshaj yog nyob rau hauv steel beam thiab inclined bracing

 

2.2 Cov txheej txheem dej txias

Cov txheej txheem dej txias muaj xws li dej nchuav txias txoj kev thiab dej filling txias txoj kev.

2.2.1 Dej da dej txias txoj kev

Txoj kev tshuaj tsuag txias yog los npaj ib qho kev tsis siv neeg lossis phau ntawv tshuaj tsuag rau ntawm qhov chaw ntawm cov qauv steel.Thaum hluav taws kub, cov txheej txheem txau yuav pib tsim cov yeeb yaj kiab dej tsis tu ncua ntawm cov qauv hlau.Thaum cov nplaim taws kis mus rau saum npoo ntawm cov qauv hlau, cov dej evaporation yuav tshem tawm cov cua sov thiab ncua cov qauv steel kom ncav cuag qhov ntsuas kub.Cov dej da dej txias yog siv rau hauv lub tsev ntawm Civil Engineering College ntawm Tongji University.

2.2.2 Txoj kev ua kom dej txias

Cov dej ntim dej txias yog ua kom cov dej ntim rau hauv hollow steel cov tswv cuab.Los ntawm cov dej ntws hauv cov qauv hlau, cov cua sov uas tau nqus los ntawm cov hlau nws tus kheej yog absorbed.Yog li, cov qauv hlau tuaj yeem ua kom tsis muaj qhov kub thiab txias hauv qhov hluav taws kub. poob nws cov kabmob muaj peev xwm vim qhov kub thiab txias siab dhau lawm.Txawm li cas los tiv thaiv xeb thiab khov, dej ntxiv xeb inhibitor thiab antifreeze.Cov steel kem ntawm 64-zaj dab neeg US Steel Company lub tsev hauv Pittsburgh yog dej txias.

 

3. Kev sib piv ntawm kev tiv thaiv hluav taws

Txoj kev tiv thaiv tshav kub tuaj yeem ua kom qeeb ntawm cov cua sov tshaj tawm mus rau cov tswv cuab ntawm cov khoom siv hluav taws xob los ntawm cov khoom siv hluav taws xob. Feem ntau hais lus, cov txheej txheem hluav taws xob rwb thaiv tsev yog kev lag luam thiab siv tau, thiab tau siv dav hauv cov haujlwm ua haujlwm. Cov dej txias yog ib qho kev tiv thaiv zoo. hluav taws kub, tab sis nws tsis tau txais kev txhawb nqa zoo nyob rau hauv engineering teb vim nws cov kev cai tshwj xeeb ntawm cov qauv tsim thiab tus nqi siab.

Thermal resistance method yog siv dav hauv kev tiv thaiv hluav taws ntawm cov qauv steel, yog li cov hauv qab no tsom rau kev sib piv qhov zoo thiab qhov tsis zoo ntawm cov txheej txheem tshuaj tsuag thiab cov txheej txheem cladding hauv thermal resistance ntsuas.

3.1 hluav taws tsis kam

Nyob rau hauv cov nqe lus ntawm hluav taws kub kuj, txoj kev cladding yog superior rau spraying method.Qhov hluav taws kub tsis kam ntawm cov pob zeb, firebrick thiab lwm yam ntaub ntawv yog zoo dua li dav fireproof txheej. Ntxiv, qhov fireproof kev ua tau zoo ntawm tshiab hluav taws tiv thaiv board kuj yog superior rau hluav taws tiv thaiv txheej. Nws qhov hluav taws kub tsis kam txwv yog pom tseeb ntau dua li tib lub thickness ntawm steel qauv hluav taws kub rwb thaiv tsev cov ntaub ntawv, ntau tshaj qhov expansion ntawm hluav taws coatings.

3.2 durability

Vim hais tias lub durability ntawm cov khoom siv cladding, xws li pob zeb, zoo dua, nws tsis yooj yim rau deteriorate nyob rau lub sij hawm.Tab sis lub durability yog ib txwm lub steel qauv hluav taws kub retardant txheej ua tsis tau tejyam los daws qhov teeb meem zoo.Txawm yog siv rau sab nraum zoov lossis sab hauv tsev, cov organic. tivthaiv ntawm nyias thiab ultra-thin fireproof txheej yuav ua rau decomposition, degradation, laus thiab lwm yam teeb meem, thiaj li hais tias cov txheej tev hmoov los yog poob ntawm hluav taws kev ua tau zoo.

3.3 kev tsim kho

Cov txheej txheem txau ntawm cov qauv hlau tiv thaiv hluav taws yog qhov yooj yim thiab siv tau yam tsis muaj cov cuab yeej nyuaj.Tab sis txau cov txheej txheem hluav taws xob siv hluav taws xob zoo tswj tsis zoo, qhov derusting ntawm cov khoom siv hauv paus, txheej thickness ntawm fireproof txheej thiab kev tsim kho ib puag ncig cov av noo tsis yooj yim los tswj. Kev tsim kho cov txheej txheem cladding yog complex, tshwj xeeb tshaj yog rau inclined bracing thiab steel beam, tab sis kev tsim kho yog tswj tau thiab qhov zoo yog ib qho yooj yim yuav tau guaranteed.Lub fireproof txwv yuav tswj tau los ntawm kev hloov lub thickness ntawm cladding khoom kom raug.

3.4 Kev tiv thaiv ib puag ncig

Txau txoj kev ua qias neeg ib puag ncig thaum tsim kho, tshwj xeeb tshaj yog nyob rau hauv qhov kev ua ntawm qhov kub thiab txias, nws muaj peev xwm volatilize teeb meem gases.Yog tsis muaj tshuaj lom tso tawm hauv kev tsim kho, ib puag ncig siv thiab kub kub ntawm hluav taws, uas yog qhov zoo rau kev tiv thaiv ib puag ncig thiab cov neeg ua haujlwm nyab xeeb hauv hluav taws. .

3.5 kev khwv nyiaj txiag

Txoj kev tshuaj tsuag yog qhov yooj yim, siv sijhawm luv luv thiab siv tsis tshua muaj nqi.Tab sis tus nqi ntawm cov txheej txheem hluav taws xob yog siab, thiab vim tias txheej txheej muaj qhov tsis zoo xws li kev laus, nws cov nqi kho mob siab dua.Cov nqi siv ntawm cov txheej txheem wrapping yog siab, tab sis cov khoom siv. tus nqi pheej yig, thiab tus nqi kho mob tsawg. Feem ntau hais lus, txoj kev encapsulation muaj kev lag luam zoo.

3.6 kev siv tau

Cov txheej txheem txau tsis txwv los ntawm cov geometry ntawm cov khoom, thiab yog dav siv rau kev tiv thaiv kab teeb, kab, pem teb, ru tsev thiab lwm yam khoom. zoo li tus steel qauv.Cov txheej txheem cladding yog complex hauv kev tsim kho, tshwj xeeb tshaj yog rau steel beams thiab inclined bracing cov tswv cuab.Txoj kev cladding feem ntau yog siv rau txhua kab thiab tsis yog siv dav rau kev txau.

3.7 Chaw Nyob

Qhov ntim ntawm cov hluav taws kub retardant txheej siv los ntawm cov txheej txheem txau yog me me, thiab cov txheej txheem ntim khoom siv lub hnab ntim khoom xws li pob zeb, hluav taws kub tsis zoo, yuav siv qhov chaw, txo qhov siv qhov chaw.Thiab lub hnab ntim khoom zoo kuj loj dua.

 4. Cov ntsiab lus

Cov lus xaus hauv qab no tuaj yeem rub los ntawm kev sib tham:

1) Kev siv cov kev tiv thaiv hluav taws kub rau cov qauv steel yuav tsum xav txog kev cuam tshuam ntawm ntau yam, xws li hom kev tivthaiv, kev tsim kho nyuaj, kev tsim kho kom zoo, kev xav tau ntev thiab cov txiaj ntsig kev lag luam;

2) Los ntawm kev sib piv cov txheej txheem txau nrog cov txheej txheem encapsulation, cov txiaj ntsig tseem ceeb ntawm cov txheej txheem txau yog qhov yooj yim hauv cov txheej txheem tsim kho, thiab cov tsos ntawm cov khoom tsis hloov pauv zoo heev tom qab txau.Qhov tseem ceeb ntawm cov txheej txheem ntim khoom yog tus nqi qis, zoo. hluav taws kev ua tau zoo thiab durability.

3) Txhua yam kev tiv thaiv hluav taws muaj lawv tus kheej qhov zoo thiab qhov tsis zoo.Hauv daim ntawv thov engineering, lawv tuaj yeem kawm los ntawm ib leeg thiab ua rau ib leeg qhov tsis txaus.Thiab tuaj yeem siv cov kev ntsuas sib txawv los teeb tsa ntau kab ntawm kev tiv thaiv hluav taws.

 

Nrog lub tsev khaws khoom niaj hnub & kev ua haujlwm nyob rau sab qaum teb Tuam Tshoj, peb tuaj yeem muab koj nrog ntau yam khoom siv hlau: kub dov thiab txias dov, nrog rau ntau yam khoom lag luam bar, cov khoom siv thiab cov khoom siv tubular.Nrog plasma, laser thiab oxy tej tshuab, CNC phaj drilling thiab plasma marking thiab ib tug tag nrho nruab drilling kab, peb yuav muab koj nrog tag nrho koj cov hlau txiav, drilled, stamped thiab npaj txhij rau siv.

 

Peb cov khoom lag luam:

  1. Cov yeeb nkab steel(Round / Square / Tshwj xeeb zoo li tus / SSAW)
  2. Hluav taws xob Conduit Pipe(EMT/IMC/RMC/BS4568-1970/BS31-1940)
  3. Cold Formed Steel Section(C / Z / U / M)
  4. Steel Angle thiab Beam(V Angle / H Beam / U Beam)
  5. Hlau Scaffolding Prop
  6. Steel Qauv(Frame Works)
  7. Precision Txheej Txheem Ntawm Hlau(txiav, straightening, flattening, nias, kub dov, txias dov, stamping, drilling, vuam, thiab lwm yam. Raws li tus neeg yuav tsum tau muaj)

Los ntawm cov qauv hlau, machining steel thiab tubular steel rau cov yeeb nkab lag luam thiab cov khoom lag luam, peb muaj tag nrho cov khoom siv hauv tsev, kev lag luam thiab kev lag luam steel thiab cov kev pabcuam koj xav tau.

Tianjin Rainbow Steel Group Co., Ltd.

Tina

Xovtooj: 0086-13163118004

E-mail:tina@rainbowsteel.cn

Xov tooj: 547126390

Web:www.rainbowsteel.cn

Web:www.tjrainbowsteel.com

 

 


Post lub sij hawm: Jul-02-2020