Vim li cas Gland Packing Leak tom qab kev teeb tsa? 7 Tej Yam Uas Muaj Thiab Kev daws

Gland packing yog dav siv rau sealing twj, li qub, thiab rotating khoom vim nws cov qauv yooj yim, yooj yim txij nkawm, thiab yoog raws rau cov kev khiav hauj lwm sib txawv. Raws li kev lag luam sealing txheej txheem kev khiav hauj lwm, kom raug calibrated gland packing tswj kev sib npaug radial siab txo cov kua bypass thiab ua tiav ib tug optimized MTBF (Lub sij hawm nruab nrab ntawm Failures) nyob rau hauv tus txheej txheem kev khiav hauj lwm tsis.

Txawm li cas los xij, thaum leakage tshwm sim tam sim tom qab kev teeb tsa tshiab packing, qhov teeb meem yuav luag ib txwm taug qab mus rau ib qho ntawm xya hauv paus ua rau. Cov txheej txheem kuaj mob no muab cov txheej txheem daws teeb meem raws li API 682 ncej sealing specifications txhawm rau txheeb xyuas cov hauv paus hauv paus ntawm kev xa tawm tam sim ntawd - kev teeb tsa ntim tsis ua haujlwm.

Ua rau 1: Lub nplhaib txiav tsis raug thiab kev teeb tsa

Cov ntaub ntawv pov thawj pom tau hais tias kev txiav lub nplhaib tsis raug thiab kev sib koom ua ke tsis zoo rau feem pua ​​​​ntawm qhov feem pua ​​​​ntawm qhov tam sim ntawd, ntxov ntxov packing foob tsis ua hauj lwm ua ntej hnav ib txwm tshwm sim. Txawm tias siab - cov khoom ntim zoo yuav xau yog tias tau teeb tsa tsis raug.

Cov tsos mob:Cov dej ntws tawm tam sim ntawd thaum pib, feem ntau los ntawm ib sab ntawm lub caj pas.

Rings txiav luv luv tawm qhov khoob nyob ib ncig ntawm lub ncej.

Rings txiav ntev dhau lawm thiab tsim tsis sib xws compression.

Aligned pob qij txha (tsis staggered los ntawm 90 degree) tsim ib tug ncaj qha mus rau ntawm tag nrho cov rings.

Rings tsis tau zaum hauv lub thawv ntim khoom tsim voids qab lub caj pas ua raws li.

Kev daws:Tshem tawm thiab rov nruab qhov ntim. Txiav rings rau ntawm ib tug mandrel ntawm tib txoj kab uas hla raws li tus ncej. Stagger cov pob qij txha los ntawm 90 degrees ntawm cov rings ua tiav. Zaum txhua lub nplhaib ruaj khov nrog lub cuab yeej tamping ua ntej txhim kho qhov txuas ntxiv.

SUNPASSmuab covgland packing tej cuab yeej. Nwsxa cov pob tw thiab skive txiav, ua kom siab -cov khoom ntim zoo nrog kev siv zog, ua haujlwm tau zoo.

Ua rau 2: Kev hloov kho tsis zoo

Compression adjustment yog ib qho kev sib npaug. Nws yog ib qho loj tshaj plaws hauv kev ntim khoom tom qab kev teeb tsa.

Cov tsos mob:Yog tias cov dej xau ntau dhau, lub qog yuav xoob dhau. Yog tias lub thawv ntim khoom kub rau qhov kov, lub caj pas yuav luag nruj heev.

Hauv qab -tightening: packing tsis nthuav tawm radially tiv thaiv ncej, tawm hauv txoj kev to.

Tshaj -tightening: ua kom muaj kev sib txhuam, ua kom muaj cua sov ntau dhau, ua kom hnyav hnyav, thiab tuaj yeem ua rau cov ncej.

Uneven zawm: ib sab ntawm lub caj pas ua raws li nruj dua li lwm qhov, tsim kom tsis sib xws

Kev daws:Loosen lub caj pas txiv ntseej kom tiav thiab rov- zawm siv tus ntoo khaub lig- qauv sib lawv liag nrog lub torque wrench. Ua raws li kev so-nyob rau hauv cov txheej txheem hauv peb phau ntawv hloov kho - nruj los ntawm 1/6 mus rau 1/4 tig ib zaug, nrog rau 15-20 feeb ntawm kev hloov kho.

SUNPASSMuab covtxiv ntseejkuj, txuas rau peb yog tias koj xav taucuab yeej.

Ua rau 3: Kev ntim khoom tsis raug hla -Section Size

Ntim qhov loj yog txiav txim siab los ntawm qhov sib txawv ntawm qhov sib txawv ntawm cov ncej thiab lub thawv ntim khoom, tsis yog los ntawm txoj kab uas hla ntawm ncej ib leeg.

Cov tsos mob:Cov dej ntws mus txuas ntxiv txawm tias lub caj pas nruj npaum li cas. Los yog, lub ntim tsis tuaj yeem muab tso rau hauv lub thawv ntim khoom txhua.

Packing cross-section=(Stuffing box bore diameter − Ncej txoj kab uas hla) ÷ 2

Kev daws:Ntsuas lub thawv ntim khoom bore thiab ncej ncej kom raug. Xam qhov yuav tsum tau hla -section. Tsis txhob sim "ua kom haum" los ntawm hammering oversized packing lossis shimming undersized packing. Hloov nrog qhov loj me.

Ua rau 4: Cov ncej puas lossis lub tes tsho nto

Lub npoo npoo yog mating nto rau ntim. Txhua yam kev puas tsuaj tsim ib txoj hauv kev uas tsis muaj kev ntim khoom tuaj yeem kaw.

Cov tsos mob:Cov dej ntws los ntawm ib txoj hauj lwm angular tshwj xeeb uas tsis hloov nrog lub caj pas hloov. Pom tau qhab nia, pitting, los yog corrosion ntawm lub ncej los yog lub tes tsho.

Hnav grooves los ntawm yav dhau los packing tsim raws rau cov kua bypass.

Corrosion pitting rau ntawm ncej nto tsim irregular sealing nto.

Cov ncej ntau dhau los yog cov kabmob hnav ua rau cov ncej txav tawm -center.

Kev daws:Tshawb xyuas cov ncej lossis lub tes tsho hauv qab lub teeb pom kev zoo. Yog tias grooves tob dua 0.1 hli, hloov lossis rov ua dua -tsim lub tes tsho. Rau kev puas tsuaj me me, lub tes tsho kho siv lub tes tsho kho lub tsho tuaj yeem ua tau. Kos lub taub hau runout nrog lub ntsuas dial -ib JB/T 6612-2008, lub radial runout ntawm lub thawv ntim khoom yuav tsum tsis pub tshaj 0.05 hli TIR [6].

Ua rau 5: Cov khoom ntim tsis raug rau daim ntawv thov

Cov ntawv thov sib txawv xav tau cov khoom ntim sib txawv. Cov khoom siv uas ua haujlwm zoo hauv ib lub twj tso kua mis yuav ua tsis tau sai hauv lwm qhov.

Cov tsos mob:Kev ntim khoom sai sai, tshuaj tua kab mob (o, softening, lossis disintegration), lossis carbonization ntawm cov khoom ntim.

Cov kev xaiv tseem ceeb muaj xws li dej kub, siab, ncej ceev, tshuaj lom neeg sib raug zoo, thiab muaj cov abrasives. Rau cov lus qhia ntxaws ntxaws, saib peb daim ntawv qhia txog kev xaiv cov khoom tiav: Yuav Ua Li Cas Xaiv Cov Khoom Siv Lub Hlwb Zoo.

Kev daws:Saib xyuas cov kev khiav hauj lwm tiv thaiv cov chaw tsim khoom ntim cov ntawv txwv. Yog hais tias tej yam kev mob siab tshaj qhov ntim qhov ntsuas kub ntau, qhov ntsuas siab, lossis tshuaj lom neeg, hloov mus rau cov khoom tsim nyog. Kev hloov kho dua tshiab suav nrog PTFE- impregnated packing rau chemical resistance, graphite packing for high-temperature service, and aramid packing for abrasive slurries.

SUNPASSmuab cov kev pabcuam hauv qab no thaum lub sijhawm yuav khoom rau cov khoom ntim khoom:

Kev Ntsuam Xyuas Kev Ua Haujlwm Kev Sib Raug Zoo: Raws li cov neeg siv khoom tsis tau muab, xws li siab thiab kub, peb muab cov kev daws teeb meem zoo tshaj plaws rau cov khoom ntim khoom thiab kev teeb tsa braiding.

2. Dawb me me - cov qauv batch;

3. Cov lus teb ceev ceev: Peb khaws cov khoom ruaj ntseg ntawm cov khoom siv thiab cov lus qhia tshwj xeeb (xws li graphite, aramid, thiab PTFE);

4. Ceev- taug qab kev pabcuam rau kev txiav txim sai

Ua rau 6: Kev ntim khoom tsis zoo lossis kev tsim khoom tsis raug

Variations in braid density, inconsistent lubricant distribution, and raw material cross-sectional tolerances directly impair the material's structural integrity, causing localized stress concentration and accelerated thermal degradation.

Cov tsos mob:Some rings from the same batch perform differently, or the packing shows visible defects such as uneven braid density, inconsistent lubricant distribution, or loose fibers.

Kev daws:Qhov chaw ntim khoom los ntawm cov tuam ntxhab nrog cov ntaub ntawv tswj kom zoo. Saib kom zoo ib yam braid ceev, txawm tias lubricant faib, thiab qhov tseeb qhov tseeb. Siab dua - cov khoom ntim khoom zoo yuav raug nqi ntau dua thaum pib tab sis txo tus nqi ntawm kev hloov ntau zaus thiab lub sijhawm tsis tau npaj tseg. Rau kev taw qhia txog kev soj ntsuam cov khoom zoo, saib peb cov ntaub ntawv xaiv cov khoom.

Yog tias koj tab tom nrhiav rau siab -cov khoom ntim khoom zoo, xaivSUNPASS. SUNPASSCov khoom lag luam yog tsim los ntawm cov ntaub ntawv zoo tshaj plaws, muab kev sib khi zoo heev, hnav tsis kam, thiab tiv thaiv kev laus. Lawv tsim nyog rau ntau yam kev siv hauv kev lag luam thiab tuaj nrog sealing kev xeem ntawv qhia, SGS thiab FDA ntawv pov thawj, ntsuas kub tsis kam, thiab cov ntaub ntawv pov thawj muaj pes tsawg leeg, tag nrho ua raws li cov txheej txheem sealing khoom.

7: Kev khiav hauj lwm tej yam kev mob tshaj qhov tsim tsis

Txawm tias zoo kawg nkaus ntsia thiab xaiv packing yuav poob yog tias lub twj tso kua mis ua haujlwm sab nraum nws lub hnab ntawv tsim.

Cov tsos mob:Packing ua tsis tau rov qab txawm tias muaj tseeb installation thiab xaiv cov khoom siv. Kev ua tsis tiav tshwm sim ntawm lub sijhawm kwv yees.

Siab spikes tshaj qhov ntim cov ntsuas siab

Kub excursions tshaj qhov ntim khoom qhov siab tshaj plaws kev pabcuam kub

Twj cavitation ua rau kev vibration thiab ncej txav

Qhuav dej los yog dej ntws tsis txaus rau hauv lub thawv ntim khoom

Kev daws:Nruab siab thiab ntsuas kub ntawm lub thawv ntim khoom. Xyuas kom tseeb tias cov dej ntws ntws txaus txaus thiab tsis cuam tshuam. Yog tias cov kev ua haujlwm tsis tuaj yeem coj mus rau hauv cov ntim cov khoom ntsuas, xav txog kev kho dua tshiab rau lub tshuab foob lossis ntau dua - cov khoom ntim qib.

SUNPASS kuj muab kev ntsuas siab thiab ntsuas kub.

CovSUNPASSiav thermometers txais cov organic kerosene lossis cawv raws li qhov ntsuas kub ntawm cov xov xwm, nrog rau qhov ntsuas kub ntawm -100℃txog 200 degree. Mercury thermometers txuas ntxiv nthuav qhov kev ua haujlwm no mus rau -30℃~ 600℃kom haum rau ntau yam kev lag luam.

CovSUNPASSDurable Industrial Pressure Gauge ua rau siab - ntsuas qhov tseeb rau ntau daim ntawv thov. Featuring rugged kev tsim kho, lub ntsuas tuaj yeem tiv taus ib puag ncig hnyav thiab txhawb nqa kev ntseeg siab, zoo ib yam.

Diagnostic Flowchart: Ceev Reference

Siv txoj hauv kev no los kuaj xyuas qhov ua rau ntawm cov khoom xau:

7. Peb cov khoom pom zoo

Vim li cas thiaj xaiv peb?

SUNPASS SEALING TECH, tsim muaj xyoo 1979, muaj 178 tus neeg ua haujlwm. Kev vam khom rau ntau tshaj 40 xyoo ntawm kev paub tab thiab kev paub dhau los, nws tshwj xeeb hauv kev tsim cov khoom sib khi thiab cov ntaub ntawv thermal rwb thaiv tsev. SUNPASS muaj lub koob npe nrov thiab kev cuam tshuam hauv kev lag luam sealing hauv tsev thiab txawv teb chaws.

SUNPASS muaj kev cob qhia niaj hnub no ntawm 12000M2, nrog ntau tshaj 20 cov kab ntau lawm xws li cov khoom siv graphite, PTFE khoom, sealing gland packing, sealing gasket, iav fiber ntau, cov khoom siv fiber ntau, cov khoom siv roj hmab thiab lwm yam.

Cov neeg siv khoom nyob hauv ntau tshaj 200 lub teb chaws thiab cheeb tsam xws li Tuam Tshoj, Kuwait, Spain, Lub teb chaws Yelemees, Fabkis, Netherlands, Saudi Arabia, Russia, Tebchaws Meskas, Mexico, Brazil, Australia, Kaus Lim Qab Teb, Nyiv, Thaib, Egypt, Belgium, thiab lwm yam.

Cov Khoom Raw Zoo

Raw Material Traceability thiab Access Control:

Kev Tshawb Fawb Txog Kev Lag Luam thiab Kev Tswj Xyuas nruj: Peb ua cov txheej txheem kev tsim khoom, kev tsim khoom, thiab kev soj ntsuam zoo ntawm cov khoom siv raw khoom xws li aramid fiber, carbon fiber, PTFE, thiab siab -purity graphite, tsim kom muaj cov npe khoom tsim nyog. Ua los ntawm cov ntaub ntawv zoo -cov ntaub ntawv zoo, peb cov khoom muaj kev sib khi ruaj khov, hnav tsis kam, thiab kev laus ua haujlwm, haum rau ntau yam kev lag luam thiab nrog kev ua haujlwm siab ua haujlwm siab: Lawv muaj kev ua haujlwm zoo heev - kub tsis kam, qis - kub tsis kam, siab - siab tsis kam, thiab tshuaj tiv thaiv corrosion, thiab tuaj yeem ua haujlwm ruaj khov nyob rau hauv qhov kub ntawm 8-20℃siab ntau ntawm 20 ° {{1} } ib puag ncig.

Batch Traceability System:Tag nrho cov ntaub ntawv raw tau muab tus lej tshwj xeeb, sau lawv cov keeb kwm, cov lus qhia tshwj xeeb, thiab cov ntaub ntawv tshuaj xyuas tuaj. Txhua yam khoom tiav tuaj yeem taug qab rov qab mus rau cov khoom siv raw khoom siv, ua tiav tag nrho -chain traceability.

Tswjhwm ntau lawm

Professional Quality Control Team:Coj los ntawm engineers nrog keeb kwm ntawm cov ntaub ntawv science thiab mechanical engineering, txhua tus neeg ua haujlwm tau txais kev cob qhia nruj thiab ntawv pov thawj ua ntej pib ua haujlwm. Utilizing a dense structural design, superior substrate characteristics, and high elasticity, a multi-layered sealing protection system is formed, effectively blocking the penetration paths of various media such as gases, liquids, and dust.

Product Quality Assurance:Muaj cov ntawv pov thawj kev sib khi, SGS thiab FDA daim ntawv pov thawj, cov ntaub ntawv ntsuas ntsuas kub thiab cov ntaub ntawv pov thawj, ua tau raws li cov qauv kev lag luam sealing.

Optimized multi-layer cross-braided configurations tiav nyob ze-zero fugitive emissions for static valve applications thiab nruj me ntsis tswj micro- lubrication tus nqi (8 mus rau 10 tee ib feeb) rau dynamic rotating khoom.

Kev siv cov khoom siv raw nrog 40% mus rau 60% kev ua haujlwm ntev dua yuav txo cov khoom siv poob qis thiab cov khoom siv nyiaj siv ua haujlwm, cuam tshuam rau kev txo qis hauv Tag Nrho Cov Tswv Cuab (TCO).

③ Kev Pabcuam

Kev Ua Haujlwm Kev Kho Kom Zoo Kev Ntsuam Xyuas: Muab cov kev daws teeb meem zoo sib xws rau cov ntaub ntawv ntim khoom thiab cov txheej txheem braiding raws li cov neeg siv khoom- muab qhov kub thiab txias;

Dawb me me -batch sampling;

Rapid Response Inventory:Tswj kev nyab xeeb ntawm cov khoom siv feem ntau thiab cov lus qhia tshwj xeeb (xws li graphite, aramid, PTFE)

;

Ntsuab channel rau kev txiav txim ceev

Cov ntaub ntawv

[1] API Std 682 R2022, "Twj-Ntaus Sealing Systems rau Centrifugal thiab Rotary Pumps," 4th Edition, American Petroleum Institute, Washington, DC, 2022.

[2] API Std 610-2021, "Centrifugal Pumps for Petroleum, Petrochemical, thiab Natural Gas Industries," 12th Edition, American Petroleum Institute, Washington, DC, 2021.

[3] Tuam Tshoj Association ntawm Petrochemical Equipment Management, "Pump Maintenance and Repair Procedures," CAPEPM, 2022. Muaj: http://www.capepem.org.cn/3291.html

[4] GB/T 13007, "Centrifugal Pumps - Test Methods," Standardization Administration of China, 2011.

[5] "Petrochemical Equipment Integrity and Leak-Free Standards," China Petroleum & Chemical Industry Federation.

[6] JB/T 6612-2008, "Static Seal and Packing Seal - Vocabulary," Ministry of Industry thiab Information Technology of China, 2008.

[7] Garlock Sealing Technologies, "Gland Packing Installation and Maintenance Guide," 2020.