Chemical twj tso kua mis installation thiab siv ceev faj ntawm cov ntsiab lus tseem ceeb ntawm installation thiab siv cov li qub ntawm tshuaj twj tso kua mis

Chemical twj tso kua mis installation thiab siv ceev faj ntawm cov ntsiab lus tseem ceeb ntawm installation thiab siv cov li qub ntawm tshuaj twj tso kua mis

Lub twj tso kua mis tshuaj yog kev lag luam tshuaj siv cov khoom siv zoo tshaj plaws, muaj ntau ntau hom tshuaj centrifugal twj tso kua mis raws li cov khoom siv tau muab faib ua polypropylene, fluorine yas, stainless hlau, raws li lub twj tso kua mis lub cev qauv muab faib ua hom kev sib txuas ncaj qha, sib koom ua ke. hom, ntsug, kab rov tav ob peb, raws li qhov xav tau tiag tiag tuaj yeem xa mus xaiv cov khoom tsim nyog. Lub twj tso kua mis yog cov kev taw qhia ntawm txawv teb chaws advanced technology tsim los ntawm peb lub tuam txhab muaj peev xwm thauj khoom uas muaj cov khoom, yooj yim crystallization ntawm nruab nrab, kub tsis kam, corrosion kuj, tsis muaj blockage.
Installation txheej txheem:
1, raws li cov lus qhia tshwj xeeb los ua haujlwm zoo ntawm pob zeb, ua ke los faus lub hauv paus ntsia hlau ntawm lub twj tso kua mis tshuaj.
2. Tshawb xyuas cov twj tso kua mis thiab lub cev muaj zog ua ntej kev teeb tsa. Txhua feem yuav tsum nyob rau hauv qhov zoo, thiab yuav tsum tsis txhob muaj av nyob rau hauv lub twj tso kua mis tshuaj.
3, lub twj tso kua mis tshuaj tag nrho mus rau qhov yooj yim, hauv qab thiab qhov nruab nrab nruab nrab ntawm lub shock absorber block, raws li kev hloov kho ntawm lub shock absorber block, nrhiav ib theem zoo ntawm cov tshuaj twj tso kua mis. Tom qab qhov kev hloov kho, ceev cov thauj tog rau nkoj screws.
4, ntshuam thiab xa tawm tus nqi ntawm cov tshuaj twj tso kua mis yuav tsum muaj ib qho kev txhawb nqa, tsis tuaj yeem siv cov tshuaj twj tso kua mis los txhawb qhov kev txhawb nqa. Cov kev qhia tshwj xeeb rau kev xa khoom thiab xa tawm cov kav dej yuav tsum zoo ib yam li cov khoom siv rau kev lag luam ntshuam thiab xa tawm cov twj siv tshuaj.
5. Thaum lub tshuab nqus tsev twj tso kua mis yog ntsia, cov yeeb nkab inlet yuav tsum tau txuas ua ntej, thiab tom qab ntawd cov khoom siv hluav taws xob yuav tsum tau txuas nrog tom qab cov kua dej puv, thiab cov nyhuv ntawm lub nres yog qhov zoo. Lub raj xa dej ntawm lub twj tso kua mis yuav tsum tau ua ke nrog lub twj tso kua mis, thiab qhov ntev ntev yuav tsum tsis pub tshaj 5 meters, txwv tsis pub nws yuav ua mob rau lub ntuj nqus ntawm cov tshuaj twj tso kua mis natural suction effect, natural suction qhov siab dav piv tuaj yeem xam raws li cov qauv. : dej txias ntuj nqus 3m / nruab nrab txheeb ze ntom ntom = ua tau ntuj nqus qhov siab dav piv.
6. Tom qab kev teeb tsa ntawm lub twj tso kua mis tshuaj, thaum kawg tig cov ncej txuas ntawm tes los xyuas seb puas muaj teeb meem khawb. Thaum tig, nws yog ib qho yooj yim thiab symmetrical tias lub installation tiav.
7, sib nqus txuas tshuaj twj tso kua mis tsis tuaj yeem muab rho tawm nrog cov teeb meem me me thiab yooj yim heev rau cov kua siv lead ua kua, tsis txhob cia kev ua haujlwm tas mus li nyob rau hauv cov xwm txheej ntawm kev xa tawm cov dej phwj tuaj, yuav tsum tswj kom tsawg kawg nkaus.
8, txhawm rau kom tsis txhob muaj av rau hauv lub twj tso kua mis tshuaj, ntawm qhov nkag yuav tsum tau nruab rau ntawm lub tshuab lim, tag nrho cov kev txhawj xeeb yuav tsum yog ntau tshaj 3 ~ 4 npaug ntawm cov kav dej.
9. Lub twj tso kua mis cov twj tso kua mis siab lub taub hau kuj tseem yuav tsum tau nruab lub kos valve ntawm tus nqi xa tawm los tiv thaiv cov dej rauj los ntawm kev kaw tam sim ntawd.
10. Nws yog ib qho tsim nyog los xyuas kom meej tias lub installation ntawm qhov siab mus rau qhov dav piv ntawm cov tshuaj twj tso kua mis yog nyob rau hauv txoj kab nrog rau cov cavitation tso cai ntawm lub twj tso kua mis, thiab nws tseem yuav tsum tau ua tib zoo xav txog qhov kev puas tsuaj ntawm cov kav dej thiab nruab nrab kub. Txhawm rau kom tsis txhob muaj cov cavitation tso cai los ntawm cov tshuaj twj tso kua mis lub cev, nws yuav tsum ua raws li kev sib raug zoo hauv qab no: NPSHaNPSHr 0.5NPSHa: Tso Cai Cavitation Allowance (m)NPSHr Indispensable Cavitation allowance (m)NPSHa = 106(PA-PV) / g tsis muaj s-hf Pa: cuam tshuam rau saum npoo ntawm lub conveyor nruab nrab ua hauj lwm siab (MPa) Pv: nruab nrab vapor ua hauj lwm siab (MPa): tus txheeb ze ceev ntawm qhov nruab nrab (kg / m3) hs: nqus dav ratio (m) hf : suction yeeb nkab kev sib txhuam (m) g: lub zog ntxiv (m / s).
11, thaum cov kua dej kub siab, nws yog ib qho tsim nyog yuav tsum tau txais cov dej-txias lub tswv yim rau lub foob ntawm cov tshuaj twj tso kua mis kom tsis txhob tawg ntawm lub nplhaib zoo li qub ntawm lub tshuab foob deformation.
12. Thaum lub viscosity ntawm cov kua rho tawm los ntawm cov tshuaj twj tso kua mis yog siab dhau lawm, cov yam ntxwv ntawm lub centrifugal twj tso kua mis thiab lub hwj chim tso zis yog heev hloov.
Cov lus qhia rau kev siv:
1. Thaum txhim kho cov twj tso kua mis, qhov hnyav ntawm cov kav dej tsis tuaj yeem ntxiv rau lub twj tso kua mis. Yuav tsum muaj lawv tus kheej lub cev txhawb nqa, thiaj li tsis ua kom deformation cuam tshuam rau kev ua haujlwm thiab lub neej.
2, stainless hlau tshuaj pipeline twj tso kua mis thiab lub cev muaj zog yog ib qho qauv, installation tsis muaj kev sib raug zoo, yog li installation yog yooj yim heev.
3. Lub thauj tog rau nkoj ntsia liaj qhov rooj yuav tsum tau nruj me ntsis thaum lub installation kom tsis txhob muaj kev cuam tshuam ntawm kev co ntawm kev ua haujlwm ntawm lub twj tso kua mis tshuaj thaum pib.
4, ua ntej kev teeb tsa ntawm lub twj tso kua mis tshuaj yuav tsum ua tib zoo xyuas seb puas tsis muaj cov khoom nyuaj hauv lub twj tso kua mis uas cuam tshuam rau kev ua haujlwm ntawm lub twj tso kua mis (xws li pob zeb, hlau hais, thiab lwm yam), kom tsis txhob muaj kev puas tsuaj rau lub impeller thiab twj lub cev thaum lub centrifugal tshuaj twj tso kua mis khiav.
5, kom yooj yim txij nkawm thiab siv kev nyab xeeb, nyob rau hauv cov tshuaj twj tso kua mis inlet thiab qhov hluav taws xob pipeline ntsia ib tug regulating valve thiab lub siab ntsuas nyob ze ntawm lub twj tso kua mis qhov hluav taws xob, los xyuas kom meej tias nyob rau hauv lub rated lub taub hau thiab khiav ntau yam ntawm kev khiav hauj lwm, kom ntseeg tau tias cov hauj lwm zoo. ntawm lub twj tso kua mis, nce kev pab cuam lub neej ntawm cov tshuaj twj tso kua mis.
6, lub twj tso kua mis siv rau lub sijhawm nqus, yuav tsum tau nruab nrog lub valve hauv qab, tshwj tsis yog tias nws yog lub twj tso kua mis tus kheej tsis tuaj yeem nruab lub hauv qab valve, thiab cov kav dej nkag yuav tsum tsis txhob muaj ntau qhov khoov, tib lub sijhawm yuav tsum tsis txhob muaj dej. leakage phenomenon.
7. Cov kab tawm, xws li cov tshev valve, yuav tsum tau muab tso rau sab nraum lub rooj vag valve.
8. Tom qab kev teeb tsa, txav lub twj tso kua mis, lub impeller yuav tsum muaj lub suab sib txhuam los yog qhov tshwm sim daig, txwv tsis pub lub twj tso kua mis yuav tsum tau disassembled los xyuas qhov ua rau.
9, tshuaj twj tso kua mis installation yog muab faib mus rau hauv nruj kev twb kev txuas thiab saj zawg zog kev twb kev txuas installation.
Tshuaj twj tso kua mis valve installation thiab siv cov ntsiab lus tseem ceeb
Tshuaj twj tso kua mis yog siv ntau zaus nyob rau hauv cov chaw tsim tshuaj paus rau cov kua xa khoom, thiab nws kuj yog ib qho kev siv pipeline li qub. Muaj ntau hom thiab cov duab ntawm li qub. Peb yuav tsum xyuam xim rau dab tsi nyob rau hauv lub installation thiab siv cov txheej txheem thiab yuav ua li cas rau nruab nws?
Ib qho, thawj yog cov kev taw qhia thiab txoj hauj lwm, ntau li qub muaj cov kev taw qhia: xws li lub ntiaj teb valve, throttle valve, siab txo valve, kos valve, thiab lwm yam., yog inverted inverted, nws yuav cuam tshuam rau kev siv thiab lub neej (xws li throttle valve. ), lossis tsis ua haujlwm (xws li lub siab txo valve), thiab tseem ua rau muaj kev phom sij (xws li kos valve). General li qub muaj cov cim taw qhia ntawm lub cev. Yog tias tsis yog, nws yuav tsum raug txheeb xyuas raws li txoj cai ua haujlwm ntawm lub valve. Lub valve chamber ntawm lub ntiaj teb valve tsis zoo sib xws, cov kua dej yuav tsum tau tso tawm hauv qab mus rau sab saum toj los ntawm qhov chaw nres nkoj valve, kom cov dej tsis kam yog me me (txiav txim siab los ntawm cov duab), qhib lub zog txuag (vim yog qhov nruab nrab siab nce), qhov nruab nrab kaw tsis siab packing, yooj yim txij nkawm, qhov no yog vim li cas lub ntiaj teb valve tsis tuaj yeem thim rov qab. Lwm cov li qub kuj muaj lawv tus yam ntxwv.
Tsis txhob tig lub rooj vag (xws li txhais tes log), txwv tsis pub qhov nruab nrab yuav nyob twj ywm hauv lub valve npog qhov chaw ntev, yooj yim rau corrosion qia, thiab rau qee cov txheej txheem yuav tsum contraindo. Nws tsis yooj yim heev los hloov cov ntim khoom tib lub sijhawm. Qhib qia rooj vag valve, tsis txhob nruab underground, txwv tsis pub vim damp corrosion raug qia. Nqa daim tshev valve, kev teeb tsa kom ntseeg tau tias lub disc ntsug, kom hloov tau yooj yim. Lub viav vias kos li qub, thaum ntsia los xyuas kom meej tias tus pin theem, kom lub viav vias hloov tau yooj yim. Lub siab nyem valve yuav tsum tau ntsia rau ntawm txoj kab rov tav, thiab tsis txhob qaij nyob rau hauv ib qho kev taw qhia.
Ob, lub valve installation txoj hauj lwm yuav tsum yooj yim rau kev khiav hauj lwm; Txawm hais tias lub installation nyuaj ib ntus, xav txog kev ua haujlwm ntev. Lub handwheel ntawm lub valve yog nyob rau hauv txoj kab nrog lub hauv siab (feem ntau 1.2 meters deb ntawm qhov chaw khiav hauj lwm hauv pem teb), kom nws yooj yim dua rau qhib thiab kaw lub valve. Kev tsaws valve handwheel yuav tsum tau nce siab, tsis txhob qaij, kom tsis txhob ua haujlwm txawv txawv. Lub tshuab phab ntsa nyob ntawm lub valve ntawm cov khoom siv, tab sis kuj tawm hauv chav rau tus neeg teb xov tooj sawv ntsug. Txhawm rau kom tsis txhob ua haujlwm ntawm lub ntuj, tshwj xeeb tshaj yog cov kua qaub thiab lub hauv paus, cov tshuaj lom neeg tawm, txwv tsis pub nws tsis muaj kev nyab xeeb.

Peb, cov kauj ruam installation valve: tsis txhob cuam tshuam lub valve ua los ntawm cov ntaub ntawv nkig.
1, ua ntej kev teeb tsa, ua tib zoo xyuas seb tus qauv thiab qhov tshwj xeeb ntawm txhua lub valve puas nyob rau hauv ib leeg, seb lub ntim puas zoo lawm, seb lub caj pas bolt puas muaj kev hloov pauv txaus, thiab xyuas seb lub qia thiab disc puas tham, seb puas muaj daig thiab skewed phenomenon.
2. Thaum nqa lub valve, txoj hlua yuav tsum tsis txhob muab khi rau ntawm lub tes tuav lossis lub valve kom tsis txhob muaj kev puas tsuaj rau cov khoom no, tab sis yuav tsum tau muab khi rau ntawm flange; Rau cov li qub txuas nrog cov kav dej, nco ntsoov ntxuav.
3. Thaum txhim kho cov ntsia hlau valve, lub sealing packing (twine thiab txhuas roj los yog polytetrafluoroethylene raw khoom siv siv) yuav tsum tau muab qhwv rau ntawm cov yeeb nkab xov, tsis txhob nkag mus rau hauv lub valve, thiaj li tsis mus valve nco ntim, cuam tshuam cov ndlwg ntawm xov xwm. . Thaum txhim kho flange li qub, ceev faj kom nruj cov bolts symmetrically thiab tusyees. Valve flange thiab cov yeeb nkab flange yuav tsum sib npaug, tsim nyog tshem tawm, kom tsis txhob muaj siab dhau thiab txawm tawg ntawm lub valve. Tshwj xeeb tshaj yog rau cov ntaub ntawv brittle thiab li qub uas tsis muaj zog. Valves yuav tsum tau welded nrog cov kav dej yuav tsum tau qhov chaw-welded ua ntej, ces qhib tag nrho cov kaw qhov chaw, thiab ces welded tuag.
4, ib co li qub, ntxiv rau qhov tsim nyog cov chaw tiv thaiv, tab sis kuj muaj bypass thiab ntsuas. Ib tug bypass raug ntsia. Yooj yim kho cuab. Lwm yam li qub, kuj muaj kev teeb tsa ntawm bypass. Seb puas yuav nruab lub bypass nyob ntawm seb lub valve mob, qhov tseem ceeb thiab cov khoom yuav tsum tau ua.

Plaub, cov khoom lag luam valve, qee qhov kev ntim khoom tsis zoo, thiab qee qhov tsis ua raws li kev siv nruab nrab, uas yuav tsum tau hloov cov ntim khoom; Tab sis thaum siv, cov muab tub lim yuav tsum tau hloov mus rau qhov nruab nrab. Thaum hloov lub muab tub lim, nias nyob rau hauv ib ncig ntawm ib puag ncig. Txhua lub nplhaib seam rau 45 degrees yog qhov tsim nyog, lub nplhaib thiab lub nplhaib qhib 180 degrees. Qhov siab packing yuav tsum xav txog chav tsev kom txuas ntxiv nias ntawm lub caj pas. Tam sim no, qhov qis ntawm lub caj pas yuav tsum tau tso cai rau nias lub ntim chamber mus rau qhov tsim nyog qhov tob, uas feem ntau yog 10-20% ntawm tag nrho qhov tob ntawm lub packing chamber. Rau siab xav li qub, lub kaum sab xis yog 30 degrees. Lub seams nruab nrab ntawm lub nplhaib yog staggered los ntawm 120 degrees.
Ntxiv rau cov khoom sau saum toj no, roj hmab O-ring kuj tuaj yeem siv raws li qhov xwm txheej tshwj xeeb (natural roj hmab tsis muaj zog alkali qis dua 60 degrees Celsius, butadiene roj hmab tsis kam rau cov roj muaju qis dua 80 degrees Celsius, fluorine roj hmab kuj qis dua 150 degrees Celsius. ntau yam corrosive media) peb daim stacked polytetrafluoroethylene nplhaib (kuj qis dua 200 degrees Celsius muaj zog corrosive media) nylon tais nplhaib (kuj qis dua 120 degrees Celsius ammonia, alkali) tsim muab tub lim. Ib txheej ntawm polytetrafluoroethylene (PTFE) cov ntaub ntawv raw khoom yog qhwv ib ncig ntawm cov asbestos disc, uas tuaj yeem txhim kho cov nyhuv sealing thiab txo cov electrochemical corrosion ntawm lub valve qia. Thaum nias lub seasoning, lub qia valve yuav tsum tau tig tib lub sij hawm kom nws nyob ib puag ncig thiab tiv thaiv kom tsis txhob tuag. Lub caj pas yuav tsum tau nruj sib npaug thiab tsis tilted.

Tsib, qee qhov valve yuav tsum muaj kev tiv thaiv sab nraud, uas yog rwb thaiv tsev thiab cua txias. Cov kab kub kub yog qee zaum ntxiv rau txheej rwb thaiv tsev. Dab tsi ntawm valve yuav tsum tau insulated los yog cia txias, raws li qhov yuav tsum tau ua. Qhov twg qhov nruab nrab hauv lub valve txo qhov kub thiab txias ntau dhau, yuav cuam tshuam rau kev tsim khoom los yog khov lub valve, koj yuav tsum khaws cov cua sov, los yog sib tov kom sov; Qhov twg lub valve raug nthuav tawm, cuam tshuam rau kev tsim khoom lossis ua rau Frost thiab lwm yam tshwm sim tsis zoo, nws yog ib qho tsim nyog yuav tsum ua kom txias. Cov ntaub ntawv rwb thaiv tsev yog asbestos, slag wool, iav ntaub plaub, perlite, diatomite, vermiculite thiab lwm yam; Cov khoom cua txias yog cork, perlite, ua npuas ncauj, yas thiab lwm yam