Dab tsi yog ptfe lined hose?

Xyoo tsis ntev los no, polytetrafluoroethylene (Teflon) yog ib hom ntawm cov fouling thiab anti fouling khoom rau lub zog hluav taws xob thiab kev lag luam petrochemical. Txawm li cas los xij, cov teeb meem nram qab no yuav tsum tau them nyiaj tshwj xeeb rau thaum lub PTFE lined hose kab yog welded, txwv tsis pub muaj kev pab cuam lub neej thiab kev nyab xeeb ntawm PTFE lined kav yuav raug cuam tshuam. 1. Thaum tu lub rooj sib dhos, nws yog txwv tsis pub ua rau lub hauv paus hlau. Nws yog txwv tsis pub tawm tsam arc ntawm lub hauv paus hlau thaum vuam. 2. Hauv seem ntawm qhov chaw ntawm fillet weld, qhov siab ntawm fillet weld yuav tsum ntau dua 5 hli, qhov ntsuas qhov ntev yuav tsum ntau dua los yog sib npaug li 3 hli, thiab lub kaum sab hauv yuav tsum ntau dua lossis sib npaug li 10 hli. 3. Thaum ua lub vuam lub plhaub ntawm PTFE lined yeeb nkab, nws yog qhov zoo dua los txais yuav txoj hauv kev siv vuam tsoo ntawm ob txoj kab hauv qab vuam. Qhov no yuav tsum tau cov theem kev ntawm peb cov neeg ua haujlwm, lub weld yuav tsum yog tiaj (hloov lossis du kev hloov), tsis muaj qhov hws, vuam seam thiab slag xam pom qhov tshwm sim, thiab qhov siab ntawm lub weld yuav tsum tsis pub ntau dua 2 hli. Tom qab welding, tus spatter los ntawm vuam yuav tsum tau muab tshem tawm tag nrho. 4. Txuas txuas txuas yuav tsum tau saws nyob rau hauv lub vuam ntawm PTFE lined yeeb nkab, thiab lub weld seam yuav tsum tsis muaj kev tawg lossis tsis tuaj yeem ua haujlwm tas li.

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Polytetrafluoroethylene (PTFE) yog ib qho ntawm cov npe hu ua polytetrafluoroethylene. PTFE hose yog siv nyob rau hauv stainless hlau hose, yog li qhov kev pab cuam lub neej ntawm hose ntev npaum li cov roj hmab hose los yog roj hmab hose qhwv hauv stainless hlau. Nws muaj ntau yam zoo dua cov khoom siv roj hmab.

Chav kawm kuv: PTFE lined ncaj cov yeeb nkab thiab cov yeeb nkab fittings

Feem ntau hu ua xoob liner yeeb nkab. Hauv cov txheej txheem no, PTFE siv los tig lub bar. Nws tsim nyog rau lub siab thiab qhov siab siab thauj mus los lub raj xa dej (xws li peb lub raj xa dej kho, thiab lwm yam), thiab yuav tsum tsis txhob siv lub raj xa hluav taws xob nrog ntsaws (xws li qhov nkag thiab qhov hluav taws xob ntawm lub twj tso kua mis thiab lub raj xa dej tuaj yeem ua rau lub siab tsis zoo los ntawm poob los sis cia li txias).

Txoj kab uas hla txoj cai: dn25-500mm

Kev pabcuam qhov kub thiab txias: - 40-180oc

Kev pabcuam siab: 1.6Mpa

Chav Kawm Ob: PTFE nruj lined ncaj cov yeeb nkab thiab cov yeeb nkab fittings

Feem ntau nws paub zoo li txoj hlua khi yeeb nkab qhwv nrog steel hlau.

Cov txheej txheem kev tsim tawm: ua ntej, ntau txheej txheej ntawm PTFE zaj duab xis yog qhov txhab ntawm cov pwm, tom qab ntawd cov hlau xaim (Ø 0.5-1mm) yog qhov kauv qhov txhab ntawm PTFE zaj duab xis, thiab tom qab ntawd ob peb txheej ntawm PTFE zaj duab xis raug mob rau sab nraud ntawm cov hlau. hlau, thiab thaum kawg qhwv hauv qhov cub rau txoj kev ua. Sab hauv phab ntsa ntawm PTFE lined yeeb nkab ua los ntawm cov txheej txheem no yog tus du, thiab sab nrauv phab ntsa yog muab kauv corrugated vim lub ntim thiab ywj ntawm cov hlau tsis xeb.

Qhov chaw ntawm nruab nrab ntawm phab ntsa sab nraud ntawm PTFE lined yeeb nkab thiab sab hauv phab ntsa ntawm cov yeeb nkab steel yog ntim nrog cob (tsis muaj cua nyob hauv). Cov roj puv tuaj yeem muab zuaj kom khov rau ntawm cov kav hlau. Nyob rau tib lub sijhawm, nws tuaj yeem muab qhwv kom nruj rau sab nraud ntawm phab ntsa ntawm kauv PTFE liner. Tom qab txoj kev tua cov cov cob, cov kauv sib xyaw yog tsim uas muaj sab nraud pov tseg rau sab nraud phab ntsa ripple ntawm ob sab phlu. Cov qauv no zoo ib yam li kev sib xyaw ua ke ntawm cov txiv ntoo thiab cov ntsia liaj qhov rooj. Ntawm ib sab tes, nws tuaj yeem ua tau zoo thiab tuaj yeem them nyiaj ntawm cov thermal nthuav tawm thiab txias txias ntawm PTFE txheej; ntawm qhov tod tes, txoj hlua khi steel hlau tuaj yeem txhim kho qhov tsis zoo siab tsis kam ntawm PTFE txheej.

Txoj kab uas hla hloov: dn25-200 hli

Ua haujlwm kub: - 50-180oc

Kev ua haujlwm siab: 0.5-1.6mpa

Qhov thib peb hom: PTFE thawb (nyem) yeeb nkab nruj nreem hlua nrog cov yeeb nkab ncaj

Feem ntau hu ua laub (nyem) txoj kab ncaj ncaj, nws yog dav siv nyob hauv cov teb chaws tsim xyoo 1990.

Cov txheej txheem kev tsim tawm: ua ntej, PTFE hmoov ntshuam yog siv los thawb (extrude) cov yeeb nkab, thiab tom qab ntawd nws raug yuam rau hauv cov yeeb nkab tsis xeb hlau (txoj kab sab nraud ntawm lub liner yog me dua loj dua lub taub sab hauv ntawm cov yeeb nkab steel los ntawm 1.5- 2 hli) los ua daim hlua sib khi kom nruj. Txhawm rau tshem tawm qhov siab, nws tau muab tso rau hauv qhov cub ua kom sov thiab ua kom sov li 180oC rau kev kho kub tsis tu ncua, kom nws siv tau rau hauv qhov kub hauv qab 180oC. Nyob rau tib lub sijhawm, thawb (nyem) qhov kev ua haujlwm ntawm cov yeeb nkab

Lub zog tensile yog pom tseeb zoo dua li ntawm lub raj hlau mob. Lub raj xa dej muaj qhov zoo tagnrho cuam tshuam rau qhov zoo thiab tsis zoo.

Qhov sib txawv ntawm PTFE hauv ob sab phlu thiab roj hmab hauv ob sab phlu

Hauv ob sab phlu tetrafluoroethylene yog siv cov tshuaj fluorine's corrosion resistance, siab kub ua hauj, muaj zog acid thiab alkali tsis kam, zoo rau kev yoog, kev pab lub neej ntev thiab kev siv tiv thaiv zoo. Cov tshuaj tsuag tag nrho tetrafluoroethylene yog qhov kev ua haujlwm siab, nws cov txheej txheem ntws mus zoo li cas? 1. Ua ntej txau, qhov saum npoo yuav xav tau xuab zeb thiab roughened, thiab txheej txheej ntawm cov primer tshwj xeeb yog txau. 2. Tom qab ntawd cov fluoroplastic hmoov tau them los ntawm cov khoom siv hluav taws xob muaj hluav taws xob ntau, thiab tusyees tshaj tawm rau sab saum npoo ntawm kev ua haujlwm nyob rau hauv kev ua ntawm hluav taws xob teb. 3. Tom qab kub kub ci, cov clinker hais yuav yaj rau hauv txheej txheej txheej tiv thaiv txheej txheem, uas khov kho rau txheej txheej ntawm qhov chaw ua haujlwm. Piv txwv li, zaj duab xis txheej 1 hli tuab kuj yuav tsum tau muab txau thiab muab ci nws li 5-6 zaug. Feem ntau, lub siab tuab tuaj yeem muab tshuaj txhuam rau 2 hli. PTFE txheej hauv siab yog cov tshuab siv dav dav hauv kev tam sim no. Nws ua rau siv tag nrho ntawm fluorine's corrosion resistance, siab purity, huv huv, tsis lo, tsis ntub, nws tus kheej lubrication, hnav tsis kam, siab thiab tsis kub tsis kam, rwb thaiv tsev, thiab lwm yam hauv cov txheej txheem tsim kho, nws qhov voltage thiab tam sim no hloov kho tas li zoo tshaj lub xeev kom ua tiav cov nyhuv lo. Roj hmab hauv ob sab kuj tseem hu ua roj hmab hauv ob sab. Nws yog txhawm rau lo txheej txheem roj hmab txheej txheem rau txheej txheem hlau nrog cov nplaum los cais qhov nruab nrab qhov nruab nrab los ntawm cov ntawv hlau rau lub hom phiaj tiv thaiv. Cov roj hmab hluavtaws thiab cov roj hmab hluavtaws siv rau hauv ob sab phlu. Cov roj hmab feem ntau siv hauv cov cuab yeej siv tshuaj lining yog cov roj hmab ntuj. Lub ntsiab lus tseem ceeb ntawm cov roj hmab ntuj yog cis polymer ntawm isoprene, uas yog vulcanized los ntawm kev ntxiv leej faj. Cov roj hmab vulcanized muaj qee qhov kub tiv taus thiab lub zog txhua yam. Nws muaj peev xwm raug faib ua cov mos mos, cov roj hmab ib nrab thiab tawv tawv muaj peb hom. Cov roj hmab khov kho tau zoo corrosion tsis kam, laus tiv taus thiab lub zog sib zog ua ke nrog cov hlau. Cov roj hmab muag tau zoo txias txias, tiv taus kub thiab cuam tshuam, thiab muaj qee yam elasticity; semi nyuaj roj hmab yog nruab nrab ntawm ob. Ntxiv rau cov tshuaj tiv thaiv oxidants muaj zog thiab qee cov kuab tshuaj, roj hmab tawv tuaj yeem tiv taus qhov feem ntau ntawm cov kua qaub ua kom muaj zog, cov organic acids, alkalis, ntsev thiab dej cawv. Yog li no, cov roj hmab tawv tawv siv los ua cov khoom siv tsis yog xim hlau los tiv thaiv corrosion. Vulcanized roj hmab tuaj yeem muab faib ua cov roj hmab hauv vulcanized, lub siab kub lub cev muaj roj hmab dej muaj roj thiab cov roj hmab ua kua. Cov roj hmab ua ntej vulcanized siv nyob rau hauv cov khoom siv loj pickling.

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Lub sij hawm tshaj tawm: Lub Kaum Hlis-10-2020