Disassembly Guide for Magnetic Drive Centrifugal Pumps: Kev Nyab Xeeb, Kev Tshuaj Xyuas, thiab Reassembly

Sib nqus tsav centrifugal twj siv dav siv los thauj cov corrosive, lom, txaus ntshai, los yog to- cov kua rhiab heev. Tsis zoo li cov twj tso kua mis centrifugal ib txwm siv cov tshuab ntsaws ruaj ruaj, cov twj siv hluav taws xob sib nqus xa hluav taws xob los ntawm kev sib nqus sib nqus thiab siv lub plhaub ntim kom cais cov twj nruab nrab ntawm lub cev muaj zog.

Lub foob no-tsim tsim tsawg txo qhov kev pheej hmoo ntawm cov txheej txheem cov kua dej tawm, tab sis nws kuj txhais tau hais tias cov khoom siv sab hauv yuav tsum tau ceev faj thaum kuaj xyuas thiab tu. Cheebtsam xws li ceramic los yog carbon bearings, bushings, impellers, containers shells, thiab magnetic rotors yog rhiab heev rau kev cuam tshuam, kev sib kis, kev sib dhos tsis raug, thiab kev siv zog ntau dhau.

Yog li ntawd, kom zoo disassembly yog ib qho tseem ceeb los tiv thaiv kev puas tsuaj rau theem nrab thiab xyuas kom ntseeg tau reassembly.

 

 

1. Kev npaj kev nyab xeeb ua ntej disassembly

Kev nyab xeeb yuav tsum ib txwm los ua ntej txhua yam ua haujlwm.

Ua ntej qhib lub tshuab magnetic drive:

Disconnect thiab cais lub hwj chim mov.

Tiv thaiv kom tsis txhob poob siab.

Kaw cov suction thiab tawm li qub.

Tso sab hauv siab.

Tshem tawm tag nrho cov kua uas seem.

Tshem lub twj tso kua mis thaum xav tau.

Cia cov kua dej kub thiab cov khoom kom txias txaus.

Hnav PPE tsim nyog rau qhov nruab nrab uas siv tau.

Rau corrosive, lom, flammable, los yog lwm yam dej txaus ntshai, lub twj tso kua mis yuav tsum tau muab ntxuav kom huv si raws li cov txheej txheem kev nyab xeeb ntawm cov nroj tsuag.

Tsis txhob pib disassembly thaum lub twj tso kua mis tseem pressurized los yog muaj ib tug uncontrolled kom muaj nuj nqis ntawm cov txheej txheem kua.

 

2. Npaj cov cuab yeej kom raug

Sib nqus tsav twj tso kua mis muaj precision- haum cov khoom uas yuav tsum tsis txhob raug tshem tawm los ntawm lub zog ntau dhau.

Raws li lub twj tso kua mis tsim, cov cuab yeej tsim nyog yuav suav nrog:

Hex yuam sij thiab cov cuab yeej txheem tes

Pullers

Qhia rods

Jackscrews

Mos- ntsej muag rauj

Ntsuas ntsuas

Torque cuab yeej

Tsis txhob siv cov cuab yeej ntse los rub cov sealing lossis precision nto. Cov cuab yeej hnyav hnyav tuaj yeem ua rau puas tsuaj rau cov khoom siv ceramic, cov ncej, cov kabmob, cov plhaub ntim khoom, lossis lwm yam tseem ceeb.

Tus txheej txheem disassembly yuav tsum nco ntsoov ua raws li lub twj tso kua mis tsim cov ntawv qhia.

 

3. Ua raws li Cov Txheej Txheem Tswjhwm Disassembly

Lub hauv paus ntsiab lus tseem ceeb yog:

Disassemble los ntawm sab nraud mus rau sab hauv thiab tshem tawm tsuas yog cov khoom uas yuav tsum tau kuaj xyuas lossis hloov.

Ib qho kev ua ntu zus tuaj yeem suav nrog:

Cov twj tso kua mis cais tawm → Dej thiab dej ntws tawm → Tshem tawm cov khoom siv sab nraud → Qhib lub twj tso kua mis → Disconnect magnetic coupling → Tshem tawm rotating los ua ke → Tshawb xyuas cov khoom sab hauv

Qhov sib lawv liag sib txawv heev ntawm kev sib nqus tsav twj tso kua mis tsim.

Pump casing bolts yuav tsum tau ib txwm loosened nyob rau hauv ib tug tswj thiab txawm. Qhov twg jackscrew qhov tau muab, lawv yuav tsum tau siv es tsis txhob yuam cov khoom sib nrug nrog cov cuab yeej improvised.

Yog hais tias cov khoom yog daig vim yog corrosion, deposits, los yog scaling, qhov ua rau yuav tsum tau txheeb xyuas thiab ib tug tsim nyog tshem tawm txoj kev siv es tsis siv zog ntau dhau.

 

4. Saib xyuas tshwj xeeb nrog kev sib nqus sib nqus

Cov hlau nplaum sib txuas yog ib qho tseem ceeb ntawm qhov sib txawv ntawm lub twj tso kua mis sib nqus thiab lub twj tso kua mis centrifugal.

Sab hauv thiab sab nraud sib nqus rotors tuaj yeem ua kom muaj zog txaus nyiam rau ib leeg.

Thaum lub sij hawm disassembly, uncontrolled txav yuav ua rau:

Ntiv tes lossis tes raug mob

Sudden txav ntawm cov khoom

Kev puas tsuaj rau lub plhaub ntim khoom

Ncej puas

Magnet los yog rotor puas

Yog li ntawd, lub rotating los ua ke yuav tsum tau txais kev txhawb kom zoo ua ntej sib nqus coupling Cheebtsam yog sib cais.

Thaum tshem tawm lub plhaub ntim lossis lub rotor sab hauv, tuav tswj nws qhov hnyav thiab txav. Cov txheej txheem kev txij nkawm tseem ceeb toom tias kev sib nqus sib nqus tuaj yeem tseem ceeb thaum lub sijhawm tshem tawm thiab lub rooj sib dhos yuav tsum tau txais kev txhawb nqa txaus kom tsis txhob ua rau lub plhaub ntim.

 

5. Tsis txhob sib tov lossis sib pauv hloov pauv

Kev txheeb xyuas qhov tseeb ntawm cov khoom yog qhov tseem ceeb thaum kho.

Ua ntej tshem cov khoom, sau los yog cim:

Installation txoj hauj lwm

Kev taw qhia

Tus naj npawb

Kev sib sau ua ke

Shim los yog gasket kev npaj

Qhov ntsuas qhov ntev

Cheebtsam xws li lub tes tsho, bearings, impellers, spacers, thiab lwm yam khoom haum yuav tsum tsis txhob randomly pauv ntawm txoj hauj lwm tshwj tsis yog lub twj tso kua mis chaw tsim tshuaj paus tshwj xeeb tso cai rau nws.

Qhov no yog qhov tseem ceeb tshwj xeeb rau kev sib hloov cov rooj sib txoos vim tias cov kev hloov pauv ntawm cov khoom siv los yog kev sib dhos tuaj yeem cuam tshuam rau:

Rotor tshuav nyiaj li cas

Ncej concentricity

Khiav clearances

Kev ua haujlwm hydraulic

Kev vibration

Rau kev ua haujlwm kho kom yooj yim, cov duab thiab cov ntaub ntawv ntsuas kuj tuaj yeem yog cov ntaub ntawv muaj txiaj ntsig zoo rau kev sib sau ua ke.

 

6. Tshawb xyuas Cov Khoom Siv Tseem Ceeb

Tom qab disassembly, tshuaj xyuas tag nrho cov tseem ceeb nyob rau hauv lub Cheebtsam es tsis txhob tsom mus rau ib feem ntawm qhov pib tshwm sim tsis xws luag.

Bearings thiab Tes Tsho

Nrhiav:

Cov qhab nias

Kev tawg

Hnav ntau dhau

Txawv txawv clearance

Discoloration

Impeller

Tshawb xyuas:

Kev yaig

Corrosion

Kev tso nyiaj

Kev tawg

Kev puas tsuaj rau cov kab hydraulic

Ncej

Tshawb xyuas:

Hnav

Khoov

Corrosion

Kev puas tsuaj saum npoo

Containment Plhaub

Lub plhaub ntim khoom yog ib qho tseem ceeb ntawm lub tshuab nqus hlau nplaum.

Tshawb xyuas nws rau:

Kev tawg

Deformation

Corrosion

Kev yaig

Hnav lossis tiv tauj

Txhua qhov kev puas tsuaj txawv txav yuav tsum raug ntsuas ua ntej lub twj tso kua mis rov qab mus rau qhov kev pabcuam.

 

7. Ntxuav cov khoom kom zoo

Kev tu kom zoo yog qhov tseem ceeb vim tias txawm tias cov khoom me me tuaj yeem cuam tshuam rau kev tshem tawm thiab kev txav ntawm cov khoom sib nqus tsav twj tso kua mis.

Tshem tawm:

Txheej txheem deposits

Cov khoom siv crystallized

Scale

Corrosion khoom

Txawv teb chaws hais

Kev saib xyuas tshwj xeeb yuav tsum tau muab rau:

Cov kabmob nto

Ncej tes tsho

Impeller kab

Sealing nto

Sib nqus coupling cheeb tsam

Containment plhaub nto

Cov txheej txheem ntxuav thiab cov kuab tshuaj yuav tsum sib haum nrog cov khoom siv. Abrasive tu txoj kev yuav tsum tau zam ntawm precision los yog sealing nto tshwj tsis yog tshwj xeeb tso cai los ntawm cov chaw tsim tshuaj paus.

Rau cov twj tuav cov kua dej uas tuaj yeem crystallize lossis solidify, kev ntxuav tom qab kaw kuj tseem tuaj yeem pab tiv thaiv lub rotor sab hauv los ntawm kev daig ua ntej pib tom ntej.

 

8. Ntsuas qhov tshem tawm ua ntej rov ua dua

Kev tshem tawm sab hauv yog qhov tseem ceeb rau kev sib nqus tsav twj tso kua mis kev ntseeg tau.

Thaum lub sij hawm tu, ntsuas qhov siv tau clearances ntawm rotating thiab nyob twj ywm Cheebtsam thiab sib piv cov nyeem nrog cov chaw tsim tshuaj paus qhov tseem ceeb.

Kev tshem tawm ntau dhau tuaj yeem ua rau:

Nce sab hauv to

Txo hydraulic efficiency

Ua kom muaj kev vibration

Kev tshem tawm tsis txaus yuav ua rau:

Kev sib txhuam

Kev sib cuag ntawm cov khoom

Kub kub

Hnav ceev

Rotor qaug dab peg

Tsis txhob cia siab rau kev tshuaj xyuas qhov muag thaum ntsuas qhov hnav. Kev ntsuas qhov ntev muab lub hauv paus txhim khu kev qha ntau dua rau kev txiav txim siab seb cov khoom puas yuav tsum tau rov siv dua lossis hloov.

 

9. Reassembly Requirements

Ua ntej reassembly, xyuas kom meej tias tag nrho cov khoom yog:

huv

Qhuav qhov xav tau

Dawb los ntawm kev puas tsuaj

Kev txheeb xyuas kom raug

Tsis pub dhau qhov ntsuas qhov tolerances

Thaum sib dhos:

Txhim kho cov khoom sib xyaw ua ke kom raug.

Paub meej tias ncej thiab bearing haum.

Tshawb xyuas cov kev tshem tawm uas xav tau.

Hloov cov gasket puas thiab sealing ntsiab.

Tighteners sib npaug.

Siv lub zog torque thaum xav tau.

Paub meej tias lub rooj sib dhos tig tuaj yeem txav tau raug.

Reinstall qhov sib nqus coupling kom zoo zoo.

Tsis txhob yuam cov khoom sib xyaw ua ke thaum qhov kev tawm tsam tsis zoo. Kev tiv thaiv tsis tau npaj txhij yuav qhia tau tias kev taw qhia tsis raug, kev sib kis, qhov chaw puas, lossis kev tshem tawm tsis txaus.

 

10. Feem ntau yuam kev thaum lub sij hawm sib nqus tsav twj tso kua mis disassembly

Ntau qhov kev saib xyuas yuam kev tuaj yeem tsim teeb meem tom qab rov ua dua.

Disassembling Tsis Siv Lub Tshuab Nqus Dej

Qhov no tuaj yeem nthuav tawm cov neeg ua haujlwm rau cov txheej txheem ua kua thiab siab.

Siv Cov Hluav Taws Xob Ntau Lawm

Kev cuam tshuam los yog tsis tsim nyog prying tuaj yeem ua rau cov khoom muaj tseeb.

Ignoring Magnetic Attraction

Kev tswj tsis tau txav ntawm cov khoom sib nqus tuaj yeem ua rau raug mob lossis puas lub twj tso kua mis.

Ua Tsis Tau Sau Cov Ntsiab Lus Tseem Ceeb

Yog tsis muaj cov ntaub ntawv seem thiab qhov chaw, nws tuaj yeem nyuaj rau rov tsim dua qhov qub kev sib dhos.

Kev sib xyaw ua ke

Qhov tsis raug ntawm cov khoom siv tsis raug tuaj yeem cuam tshuam rau rotor tshuav nyiaj li cas thiab khiav clearances.

Reassembling yam tsis muaj kev kuaj xyuas clearances

Ib qho khoom siv hnav tuaj yeem tshwm pom pom tau thaum nyob sab nraum nws qhov kev tso cai qhov ntev.

Hloov Ib Cheeb Tsam yam tsis pom qhov laj thawj

Kev hnav rov qab tuaj yeem tshwm sim los ntawm cavitation, khiav qhuav, cov kua paug paug, ua haujlwm tsis raug, lossis cua txias tsis txaus lossis ncig.

 

11. Kev kuaj zaum kawg ua ntej rov pib dua

Tom qab reassembly, ua kom tiav kev tshuaj ntsuam xyuas ua ntej xa rov qab lub twj tso kua mis mus ua haujlwm.

Tshawb xyuas:

Fastener ceev

Ncej kev sib hloov

Coupling mob

Piping kev sib txuas

Valve txoj hauj lwm

Pump filling lossis priming

Kev sib txuas hluav taws xob

Kev sib hloov kev taw qhia

Cov dej ntws tawm

Suab nrov nrov

Thaum pib pib, saib xyuas:

Ntws

Tshem tawm siab

Lub cev muaj zog tam sim no

Kev vibration

Cov kabmob

Kub

Seal los yog muaj kev ruaj ntseg

Cov suab nrov txawv txav, kev vibration, kub nce, lossis poob ntawm kev ua haujlwm hydraulic yuav tsum raug tshawb xyuas tam sim ntawd.

 

Kev ua haujlwm nyab xeeb, kev sib txuas ua ke, cov ntaub ntawv raug, thiab kev tiv thaiv kev tiv thaiv zoo yog qhov tseem ceeb rau kev tshem tawm ntawm cov twj sib nqus tsav. Los ntawm kev npaj kev nyab xeeb thiab kev siv cov cuab yeej tshwj xeeb los txiav txim siab txiav txim siab, kos npe thiab sau cia, kev tu cov khoom siv, thiab kev hloov kho clearance, txhua kauj ruam txiav txim siab cov cuab yeej precision, kev nyab xeeb, thiab kev pabcuam lub neej. Tus txheej txheem disassembly txo qis kev pheej hmoo ntawm kev nyab xeeb thiab tib neeg- cuam tshuam kev puas tsuaj, ua kom cov pa tawm -dawb, qis- kev vibration, thiab ruaj khov ntev- lub sijhawm ua haujlwm tom qab reassembly, thiab txo cov nqi kho thiab rov ua haujlwm dua.

Rau txhim khu kev qha sib nqus tsav centrifugal twj tso kua mis, xaiv HNYB PUMPS.