Homeliness, Siv
Lwj: Classification thiab lo lus uas peb pab kiag li lawm
Thaum lub installation ntawm pipelines nyob rau hauv txawv systems yuav tsum coj mus rau hauv tus account xws li ib tug ntaus ntawv raws li ib tug bellows compensator. Nyob rau qhov no tseem ceeb ntaus ntawv, peb mam li tham nyob rau hauv ntau yam nyob rau hauv no tsab xov xwm.
khoom hauj lwm
Lub bellows compensator yog extensible thiab saj zawg zog nyob rau hauv ib notional deformation ntaus ntawv. Lub hom phiaj ntawm nws es nws kim heev:
- Nws compensates rau thermal expansion ntawm pipelines, raws li zoo raws li misalignment vim tsis nyob rau hauv mounting.
- Nws thiaj li co load tshwm sim los ntawm kev khiav hauj lwm cov khoom.
- Tsub kom pipeline txia.
Txhim kho lub bellows yog tshwj xeeb yog tseem ceeb nyob rau hauv high-sawv vaj tse. Nyob rau hauv cov ntaub ntawv no, installation ntawm cov khoom no tso cai rau kom txo tau cov load nyob rau hauv cov kab rov tav ub intercommunication conduit. Hais tias ntaus ntawv muaj ib tug tseem ceeb lag luam ib feem hu ua bellows. Qhov no elastic corrugated hlau sheath. Nws yog tau hlob thiab ncab, khoov los yog txav thaum hloov qhov ntev ntxhov kawm tuab si lug conduit (vim cov kev hloov nyob rau hauv kub, siab thiab lwm yam teebmeem).
meej mom
Lwj expansion pob qij txha muaj cov nram qab zoo:
- Cov tseem mounting rau ntau qhov chaw ntawm lub raj dej.
- Me qhov ntev.
- Muaj peev xwm mus ua hauj lwm nyob rau hauv tej ib puag ncig, nrog ib tug loj ntau yam ntawm kub thiab siab.
kev faib
Lub sib txawv yog vim lawv npaj siv nyob rau hauv kev tsim kho ntawm cov pab kiag li lawm: pab kom txawm peem rau lub angular, longitudinal extensions hloov los ntawm concentricity, kev co los. Yog li, lub nram qab no ntawm pab kiag li lawm xam tau tias yog
- axial (axial). Lawv txawm peem rau thermal expansion nyob rau hauv lub axial kev taw qhia ntawm lub raj dej.
- lub (angular). Pab kom txawm peem rau misalignment txiv mis. Lub axis ntawm lub bellows ntawm cov khoom no yog bent nyob rau hauv ib tug arc.
- Compensators bellows universal. Muaj ib tug nrog screen, shearing thiab rotating ntaus ntawv. Tej khoom uas yog muaj ib tug los yog ob tug bellows thiab kev twb kev txuas hauv. Lawv txawm peem rau axial, chais ya cov plaub thiab angular displacements txog lub axis, thiab tseem tiv thaiv deeg ntawm piping thiab cov khoom siv.
khoom
Tam sim no, lub lag luam muaj ib tug lossis loj ntau yam ntawm cov khoom no. Cov pab kiag li lawm tej zaum yuav ua los ntawm ntaub ntawv sib txawv:
1. Expansion bellows hlau. Lawv txawm peem rau hnyav loads tshwm sim los ntawm thermal expansion ntawm lub raj dej. Lawv yog ua los ntawm zoo cov ntaub ntawv. Nyob rau hauv cov ntaub ntawv no, siv ntau yam khaubncaws sab nraud povtseg ntawm nyias stainless steel qib 08Cr18Ni10Ti thiab 10X17H13M2T. Tshuaj thiab txhua yam khoom ntawm cov khoom ntsuam xyuas lub tswv yim tswj ntawm lub Hoobkas. Qhov no saib kuas qhov zoo tshaj ntawm steel, uas yog ua bellows compensator. nyias hlau khaubncaws sab nraud povtseg yog tsim nyob rau hauv lub bellows los ntawm hydraulic nias los yog dov. Lub thinner lawv yog, ntev lub neej ntawm cov khoom raws li ib tug tag nrho. Cov khoom uas muaj siv nyob rau hauv cov kav dej ntawm lub zos thiab lub ntsiab lo lus uas peb.
2. Roj Hmab expansion pob qij txha. Lawv manufactured los ntawm ib tug tshwj xeeb cov khoom cua roj hmab, muaj ib tug qaum qhov cuab lub zog. Cov kev pab cuam lub neej ntawm tej khoom yog hais txog 20 lub xyoo. Nyob rau hauv cov ntaub ntawv no, tus ntaus ntawv tsis tau kho thiab txij nkawm.
3. Compensators cov ntaub so ntswg. Lawv yog cov raug rau hloov, neeg kho tshuab loads, deeg thiab deeg nyob rau hauv lub axial thiab transverse qhia. Lawv yuav siv los pab kom txawm peem rau deformations nyob rau hauv ntau yam pipeline pipelines.
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