Expansion Joint kuj tseem hu ua yeeb nkab expansion sib koom ua ke, expansion sib koom, compensator thiab expansion joint. Expansion pob qij txha yog cov khoom tshiab txuas cov twj, li qub, cov kav dej thiab lwm yam khoom siv nrog cov kav dej. Lawv txuas nrog tag nrho bolts kom lawv tag nrho nrog ib qho kev hloov pauv, uas yooj yim rau kev teeb tsa. Nws tuaj yeem tiv taus axial siab ntawm cov kav dej. Nyob rau hauv txoj kev no, thaum lub sij hawm installation thiab txij nkawm, nws tuaj yeem hloov kho raws li qhov loj me ntawm qhov chaw. Thaum lub sijhawm ua haujlwm, nws tuaj yeem tsis tsuas yog txhim kho kev ua haujlwm ntawm kev ua haujlwm, tab sis kuj tseem tiv thaiv cov twj, li qub thiab lwm yam khoom siv hauv cov kav dej.
Daim ntawv txuas ntawm lub expander yog flange kev twb kev txuas, nrog ib sab flange thiab lwm sab vuam.
1. Txhawb kev nthuav dav deformation tshwm sim los ntawm axial, transverse thiab angular cua sov ntawm lub raj xa dej.
2. nqus cov khoom vibration thiab txo qhov cuam tshuam ntawm cov khoom siv vibration ntawm cov kav dej.
Expansion joints raug cais raws li cov qauv tsim
Expansion Joint (Expansion Joint) feem ntau yog siv los them nyiaj rau kev nthuav dav deformation ntawm cov kav dej vim qhov kub hloov pauv, thiab rau qhov ntev them nyiaj xav tau los ntawm kev teeb tsa thiab kev hloov kho ntawm cov kav dej. Raws li cov qauv tsim, nws yog tsuas yog muab faib ua lub luj tshib expansion sib koom ua ke, hauv qab expansion sib koom ua ke thiab casing expansion sib koom ua ke.
Lub luj tshib expansion Joint
Ib qho kev nthuav dav sib koom ua ke uas khoov cov yeeb nkab rau hauv U-puab lossis lwm yam duab (cov duab hauv qab no [lub luj tshib expansion sib koom]) thiab them nyiaj los ntawm kev siv lub peev xwm deformation ntawm elasticity. Nws qhov zoo yog lub zog zoo, lub neej ua haujlwm ntev thiab tuaj yeem ua rau ntawm qhov chaw. Nws qhov tsis zoo yog qhov chaw ua haujlwm loj, kev siv steel loj thiab kev sib txhuam loj. Qhov kev sib koom tes nthuav dav no tau siv dav hauv ntau lub kav dej thiab cov kav dej ntev.
3. Ncua qhov deformation ntawm cov raj xa dej los ntawm av qeeg thiab av qeeg.
Vim yog thermal expansion thiab txias contraction ntawm lub raj xa dej, qhov kev ntxhov siab thiab thawb-rub lub zog ntawm cov yeeb nkab phab ntsa yuav tsum tau tsim rau cov kav dej; Kev ntxhov siab ntawm cov yeeb nkab phab ntsa yuav cuam tshuam rau lub zog ntawm cov yeeb nkab, thiab lub zog thawb-rub yuav nce ntxiv, yog li qhov kev txhawb nqa ruaj khov ntawm cov yeeb nkab yuav tsum tau ua kom loj heev los tuav lub zog thawb-rub los ntawm kev nthuav dav ntawm cov yeeb nkab. yeeb nkab; Yog li ntawd, qhov sib txawv qhib txoj kev ntawm expansion sib koom them nyiaj yog siv los txo cov yeeb nkab phab ntsa kev nyuaj siab thiab thrust.
Bellows expansion sib koom ua ke
Ib qho expansion sib koom ua los ntawm cov hlau hauv qab. Nws tuaj yeem nthuav dav thiab cog lus raws axis thiab tseem tso cai rau me me ntawm kev khoov. Cov duab hauv qab no [bellows expansion joint] yog ib qho axial bellows expansion sib koom ua ke, uas yog siv rau axial ntev them ntawm cov kav dej. Txhawm rau tiv thaiv kom tsis pub dhau qhov nyiaj tau txais txiaj ntsig, kev tiv thaiv rub rods lossis cov nplhaib tiv thaiv tau teeb tsa ntawm ob qho kawg ntawm lub hauv siab, thiab cov hlua qhia tau teem rau ntawm cov kav dej ntawm ob qho kawg txuas nrog nws. Tsis tas li ntawd, muaj angular thiab transverse expansion pob qij txha, uas tuaj yeem siv los them nyiaj rau lub angular deformation thiab transverse deformation ntawm cov kav dej. Qhov zoo ntawm cov pob qij txha zoo li no yog txuag chaw, txuag cov ntaub ntawv (tus account: Twj tus neeg saib xyuas), thiab ua tus qauv tsim thiab batch ntau lawm. Qhov shortcoming yog luv luv lub neej. Bellows expansion pob qij txha feem ntau yog siv rau cov kav dej uas tsis tshua muaj kub thiab siab thiab ntev ntev. Nrog rau kev txhim kho ntawm cov tshuab nqus tsev ntau lawm, daim ntawv thov Scope ntawm hom expansion sib koom ua ke yog expanding. Nws yog tsim los ntawm bellows (ib qho khoom elastic) tsim nws lub cev ua haujlwm thiab cov khoom siv xws li cov yeeb nkab kawg, kev txhawb nqa, flange thiab conduit. Nws yog tsuas yog siv nyob rau hauv ntau yam pipelines. Nws tuaj yeem them nyiaj rau thermal hloov pauv, kev hloov kho tshuab thiab nqus ntau yam kev co ntawm cov kav dej, txo cov kev ntxhov siab deformation ntawm cov kav dej thiab txhim kho lub neej kev pab cuam ntawm cov kav dej. Kev sib txuas hom ntawm corrugated compensator yog muab faib ua flange kev twb kev txuas thiab vuam. Lub compensator ntawm ncaj qha faus pipeline yog feem ntau welded.
Bellows expansion sib koom ua ke
Nws yog tsim los ntawm sab hauv thiab sab nrauv uas tuaj yeem ua rau tus txheeb ze axial txav (cov duab hauv qab no [casing expansion joint]). Stuffing box seal yog siv los ntawm sab hauv thiab sab nraud. Thaum siv, khaws cov kav dej ntawm ob qho kawg txav ntawm ib qho axis. Kev taw qhia brackets raug ntsia rau ntawm ob qho kawg ntawm kev sib koom ua ke. Nws muaj qhov zoo ntawm kev sib txhuam me me rau cov dej ntws thiab cov qauv compact; Qhov tsis zoo yog qhov tsis zoo sealing thiab loj thrust ntawm qhov kev txhawb nqa ruaj khov. Casing expansion sib koom ua ke feem ntau yog siv rau cov kav dej thiab cov kav dej uas tsis tshua muaj siab.
Retractors yog cais los ntawm cov khoom
Raws li cov khoom siv, nws yog feem ntau muab faib ua roj hmab yeeb nkab expander thiab hlau yeeb nkab expander.
Cov yam ntxwv ntawm roj hmab yeeb nkab expander
1 、 Lub ntim me me, lub teeb yuag, zoo elasticity thiab yooj yim installation thiab txij nkawm.
2, Thaum lub sij hawm installation, nws muaj peev xwm tsim axial, transverse, meridional thiab angular displacement, uas tsis yog txwv los ntawm cov tsis concentricity ntawm cov neeg siv cov kav dej thiab tsis parallelism ntawm flanges.
3, Nws tuaj yeem txo kev co thiab suab nrov thaum ua haujlwm.
4 、 Cov roj hmab tshwj xeeb hluavtaws tuaj yeem tiv taus kub, kua qaub, alkali thiab roj. Nws yog ib qho khoom siv zoo tshaj plaws rau kev siv tshuaj corrosion-resistant pipeline.
Cov yam ntxwv ntawm cov yeeb nkab hlau expander
Loj expansion them, kub thiab siab.
Nonmetallic expansion sib koom ua ke
Cov cua duct roj hmab compensator yog tsim los ntawm cov roj hmab thiab cov roj hmab fiber ntau cov ntaub ntawv sib xyaw, steel flanges, lub tes tsho thiab cov ntaub ntawv thermal rwb thaiv tsev. Nws yog tsuas yog siv rau kev sib txuas yooj yim ntawm ntau lub kiv cua thiab cov cua ducts. Nws muaj nuj nqi yog kev poob siab, txo suab nrov, sealing, nruab nrab tsis kam, yooj yim txav thiab installation. Nws yog ib qho khoom siv zoo tshaj plaws uas haum rau kev poob siab, txo suab nrov, tshem tawm cov pa luam yeeb thiab plua plav hauv kev tiv thaiv ib puag ncig.
Fiber ntaub expansion sib koom ua ke
Fabric compensator feem ntau yog ua los ntawm cov ntaub fiber ntau, roj hmab thiab lwm cov ntaub ntawv kub resistant. Nws tuaj yeem them nyiaj rau kev vibration ntawm kiv cua thiab cua duct ua haujlwm thiab cov yeeb nkab deformation. Cov fiber ntau nthuav kev sib koom ua ke tuaj yeem them axial, transverse thiab angular khoom. Nws muaj cov yam ntxwv ntawm tsis muaj thrust, kev txhawb nqa yooj yim, kev tiv thaiv corrosion, kub tsis kam, suab nrov tshem tawm thiab txo kev co. Nws yog tshwj xeeb tshaj yog haum rau cov kav dej kub thiab cov kav dej haus luam yeeb hauv cov chaw tsim hluav taws xob. Cov ntaub fiber ntau thiab thermal rwb thaiv tsev paj rwb lub cev nyob rau hauv lub non-metallic Compensator muaj qhov zoo ntawm lub suab nqus thiab kev co cais.
Muaj nuj nqi, uas tuaj yeem txo cov suab nrov thiab kev co ntawm boiler, kiv cua thiab lwm yam tshuab. Cov qauv siv hluav taws xob muaj qhov zoo ntawm cov qauv yooj yim, lub teeb yuag thiab kev saib xyuas yooj yim.
Cov yam ntxwv thiab daim ntawv thov Scope ntawm ntau yam yeeb nkab expansion pob qij txha
Nonmetallic expansion sib koom ua ke
Nonmetallic saj zawg zog compensator: tseem hu ua non-metallic expansion sib koom ua ke thiab non-metallic ntaub compensator, nws muaj peev xwm them axial, transverse thiab angular cov lus qhia. Nws muaj cov yam ntxwv ntawm tsis muaj thrust, kev txhawb nqa yooj yim, kev tiv thaiv corrosion, kub tsis kam, suab nrov tshem tawm thiab txo kev co. Nws yog tshwj xeeb tshaj yog haum rau cov yeeb nkab cua kub thiab cov pa luam yeeb.
yam ntxwv:
1. Kev them nyiaj thermal expansion: nws tuaj yeem them nyiaj ntau qhov kev taw qhia, uas yog qhov zoo dua li cov hlau compensator uas tsuas yog them rau hauv ib txoj kev xwb.
2. Kev them nyiaj rau kev teeb tsa yuam kev: vim yog qhov yuam kev uas tsis tuaj yeem cuam tshuam hauv cov txheej txheem ntawm kev sib txuas ntawm cov kav dej, lub fiber ntau compensator tuaj yeem them nyiaj zoo dua rau kev teeb tsa yuam kev.
3. Silencing thiab vibration txo: fiber ntau ntaub thiab thermal rwb thaiv tsev paj rwb muaj lub zog ntawm lub suab nqus thiab kev co cais, uas tuaj yeem txo cov suab nrov thiab kev vibration ntawm boiler, kiv cua thiab lwm yam tshuab.
4. Tsis muaj qhov thim rov qab: vim tias cov khoom tseem ceeb yog cov ntaub fiber ntau, nws tsis tuaj yeem kis tau. Kev siv cov khoom siv fiber ntau tuaj yeem ua kom yooj yim rau kev tsim, zam kev siv cov kev txhawb nqa loj, thiab txuag tau ntau cov ntaub ntawv thiab kev ua haujlwm.
5. Kev kub siab zoo thiab kev tiv thaiv corrosion: cov khoom siv fluoroplastics thiab silicone muaj qhov kub thiab txias tsis kam thiab corrosion kuj.
6. Zoo sealing kev ua tau zoo: muaj ib tug kuj zoo meej ntau lawm thiab sib dhos system, thiab lub fiber compensator yuav xyuas kom meej tsis muaj to.
7. Lub teeb yuag, qauv yooj yim thiab yooj yim installation thiab txij nkawm.
8. Tus nqi qis dua li ntawm cov khoom siv hlau thiab cov khoom zoo yog zoo dua li cov khoom siv txawv teb chaws
Stainless hlau: muaj plaub hom: ncaj lub tog raj kheej hom, compound hom, angular hom thiab square hom.
Stainless hlau compensator tuaj yeem them axial, transverse thiab angular kev taw qhia. Nws muaj cov yam ntxwv ntawm tsis muaj thrust, kev txhawb nqa yooj yim, kev tiv thaiv corrosion, kub tsis kam, suab nrov tshem tawm thiab txo kev co. Nws yog tshwj xeeb tshaj yog haum rau cov cua kub pipeline thiab cov pa luam yeeb pipeline.
Hlau: kev ntseeg siab ntawm cov hlau corrugated compensator yog tsim los ntawm kev tsim, kev tsim, kev teeb tsa thiab kev tswj xyuas kev ua haujlwm. Kev ntseeg siab yuav tsum tau txiav txim siab los ntawm cov yam no. Kev xaiv cov khoom siv rau kev xaiv cov khoom siv hauv cov khoom siv hluav taws xob hauv cov kav dej kub, ntxiv rau qhov nruab nrab ua haujlwm, kev ua haujlwm kub thiab ib puag ncig sab nraud, qhov muaj peev xwm ntawm kev ntxhov siab corrosion thiab cuam tshuam ntawm tus neeg saib xyuas dej thiab tus neeg saib xyuas cov kav dej ntawm cov ntaub ntawv yuav tsum raug txiav txim siab. . Raws li lub hauv paus no, ua ke nrog kev sib txuas thiab kev tsim cov khoom siv hauv tshuab thiab kev ua haujlwm ntawm tus nqi ntawm cov ntaub ntawv, cov khoom lag luam thiab cov tswv yim tsim cov khoom siv yuav tsum tau ua kom zoo dua.
Feem ntau, cov khoom siv ntawm cov hauv qab yuav tsum ua raws li cov hauv qab no:
(1) Siab elastic txwv, tensile lub zog thiab qaug zog lub zog los xyuas kom meej lub cev ua hauj lwm ntawm bellows.
(2) Cov yas zoo, yooj yim rau kev ua thiab tsim cov hauv paus, thiab muaj zog txaus thiab lub zog tuaj yeem tau los ntawm cov txheej txheem kev kho mob tom ntej (kev ua haujlwm txias, kev kho cua sov, thiab lwm yam).
(3) Zoo corrosion kuj, ua tau raws li qhov yuav tsum tau ua ntawm lub tshuab nqus tsev nyob rau hauv ib puag ncig sib txawv.
(4) Kev ua haujlwm vuam zoo, ua tau raws li cov txheej txheem vuam uas yuav tsum tau ua hauv cov txheej txheem tsim khoom.
Rau lub thermal yeeb nkab network nteg nyob rau hauv lub trench, thaum lub pipeline qhov twg lub compensator nyob rau hauv tsawg, cov corrugated yeeb nkab yuav tsau los ntawm cov dej los nag los yog dej phwj tshwm sim. Nws yuav tsum raug txiav txim siab xaiv cov ntaub ntawv uas muaj zog corrosion kuj, xws li hlau npib tsib xee alloy, siab nickel alloy, thiab lwm yam. Vim yog tus nqi siab ntawm cov ntaub ntawv zoo li no, thaum tsim cov tshuab nqus tsev, nws tuaj yeem txiav txim siab ntxiv txheej txheej ntawm corrosion-resistant alloy. tsuas yog nyob rau saum npoo ntawm kev sib cuag nrog corrosive nruab nrab. Kev qaug zog lub neej tsim los ntawm hom tsis ua hauj lwm thiab ua rau kev tsom xam ntawm bellows compensator, nws tuaj yeem pom tau tias lub dav hlau stability, circumferential stability thiab corrosion kuj ntawm bellows muaj feem xyuam rau nws cov kev hloov pauv, piv txwv li, qaug zog lub neej. Tsawg qaug zog lub neej yuav ua rau poob ntawm stability thiab corrosion kuj ntawm hlau bellows.
Post lub sij hawm: Feb-19-2022
