Kev xaiv cov rooj vag li qub hauv cov txheej txheem ntawm kev muab dej thiab kev tsim kho cov dej

Kev xaiv cov rooj vag li qub hauv cov txheej txheem ntawm kev muab dej thiab kev tsim kho cov dej

Lub rooj vag valve siv tau ntev, koj puas paub yuav ua li cas kom ntseeg tau qhov nruj ntawm lub rooj vag valve? Ua tib zoo tswj cov txheej txheem yuav khoom thiab ua tib zoo nug. Sau daim ntawv thov ntawm cov yeeb nkab fittings thiab cov kav dej ntawm tag nrho cov batch thiab hloov tam sim ntawd thaum pom qhov tsis ntseeg. Rau cov khoom siv PPR yeeb nkab, qhov ductility ntawm kev daws teeb meem los tiv thaiv. Cov txheej txheem kev siv tau: tsis yog - ncaj qha faus cov kav dej tso, yuav tsum xav txog cov kev daws teeb meem ntawm cov kav dej thermal expansion thiab txias contraction deformation ntawm cov txheej txheem kev. Lub ductility ntawm lub raj xa dej yuav tsum tau them nyiaj los ntawm lub folding caj npab ntawm lub raj xa dej kom deb li deb tau; Thaum cov kav dej tsis tuaj yeem siv raws li kev them nyiaj ntuj, lwm txoj kev them nyiaj yuav tsum tau siv.
Kev siv dej thiab kev tsim kho vaj tse txheej txheem feem ntau ntsib cov kav dej yeeb nkab thaiv, cov yeeb nkab xau, qhov rooj valve xaiv thiab cov cuab yeej, suab nrov thiab lwm yam lus nug, lub network rau txhua tus neeg los soj ntsuam cov ntsiab lus ntawm cov lus nug no, thiab qhia meej meej txog kev tiv thaiv thiab kev daws teeb meem.
1. Kev zam thiab kev daws teeb meem ntawm cov kav dej thaiv cov lus nug
Yam tseem ceeb: qhov thaiv ntawm cov kav dej hauv chav tsev yog qhov ua tsis tau zoo hauv kev tsim cov cuab yeej siv, uas yog cov lus nug qub uas cov khoom siv yeeb nkab thiab kev sib koom tes hauv kev tsim vaj tsev tsis tuaj yeem daws tau. Nyob rau hauv cov txheej txheem ntawm kev tsim kho ntawm pej xeem engineering thiab kev teeb tsa, muaj ntau qhov xwm txheej ntawm cov yeeb nkab thaiv, tshwj xeeb tshaj yog cov kav dej qhib thiab deodorant hauv pem teb ntws hauv chav huv. Txawm tias thaum cov yeeb nkab tau teeb tsa thiab cov ceg yeeb nkab raug kaw nrog cov cement slurry, nws feem ntau qhib los ntawm lwm tus los ua lub qhov hluav taws xob los ntxuav cov dej khib nyiab los ntawm cov pob zeb thiab tiaj tus. Qee tus txawm poob rau hauv ntoo, xuab zeb thiab pob zeb, pov tseg, cement mortar thiab lwm yam los ntawm lub ru tsev qhov cua qhov yeeb nkab qhov ncauj thiab lub thoob dej nag, ua rau cov yeeb nkab thaiv. Kev siv lub teeb ntawm kev sib kis ntawm kev ua haujlwm, hnyav chisel rau hauv av pob zeb, rov ua haujlwm kom tshem tawm cov raj xa dej los ntawm khawb cov cuab yeej, ces ob qho tib si kev siv zog thiab cov khoom siv, thiab ua rau lub sijhawm tsim kho. Qee cov kav dej muaj qee qhov txhaws hauv cov kab noj hniav ntawm cov yeeb nkab, uas tsis tuaj yeem kho tau raws sijhawm hauv cov txheej txheem ntawm kev ntsuas siab thiab kev xa dej. Tom qab kev nqis peev ntawm peev, nws yuav inevitably qhia qhov blockage ntawm cov yeeb nkab thiab ua mob rau cov neeg siv khoom thov.
Kev tiv thaiv thiab kev daws teeb meem: txhawm rau tiv thaiv kev thaiv cov raj xa dej hauv cov txheej txheem ntawm kev tsim kho, ntxiv rau daim ntawv thov ntawm lub plawv los ntawm cov yeeb nkab kab noj hniav, tshem tawm cov av, ua tau zoo raws li tus qauv kev thov ntawm cov kav dej; Ntaus kab, yuav tsum tau lav qhov kev nqes hav thiab tag nrho cov kev npaj thiab cov qauv yuav tsum tau, thiab ib tug ntws hla los ntawm kev siv txoj kev sib xyaw slurry foob, kuj yuav tsum tau ua raws li qhia nyob rau hauv ntau yam kev ntsuas los tiv thaiv cov yeeb nkab plugging: vim lub tsev qauv. yam, thaum lo lus nrog ab nyob rau hauv lub riser raj, yuav tsum raws li cov specification yuav tsum tau, teem nyob rau hauv lub sab saum toj ntawm lub raj b lo lus nug lub qhov ncauj yog yooj yim kho; Thaum tsis muaj qhov yuav tsum tau ua nyob rau hauv tag nrho cov kev npaj, qhov chaw nres nkoj tu yuav tsum tau teem rau hauv cov dej khib nyiab hla cov yeeb nkab nrog 2 los yog ntau tshaj 2 cov khoom siv tawm los yog 3 lossis ntau tshaj 3 cov khoom siv tu raws li kev tsim kho engineering thiab kev soj ntsuam cov qauv. Qhov chaw nres nkoj nug lossis qhov chaw ntxuav yuav tsum tau teem rau ntawm cov dej khib nyiab hla cov yeeb nkab uas muaj tsawg dua 135 degrees ntawm kaum. Cov cuab yeej siv rau cov raj xa dej faus ib ntus tsis tso tawm cov raj thiab cov yeeb nkab ntsug, cov yeeb nkab hauv lub qhov ncauj ntawm cov lus nug riser ntxig lub phaj kawg lossis lwm txoj hauv kev rau hauv tsev loj cuj, thiab tam sim ntawd ua rau riser hnav 2 pob zeb hauv pem teb qhov, tom qab tau txais kev pom zoo ntawm cov riser ruaj khov, tshem tawm ib ntus. kev txhawb nqa, ceg no yuav tsum tau sim txo qis hauv kev tsim vaj tsev hauv av raws li kev tso dej pov tseg ib ntus nkag thiab tawm. Nyob rau hauv kev tsim kho vaj tse engineering tsim tom qab qhov kawg ntawm cov hauv paus hniav, ua ntej cov dej thiab cov kua dej ntshiab daim ntawv thov riser ntaus ntawv, rau hauv qab txheej thiab ob ntau tshaj lub raj xa dej rau cov lus nug txog dej, paub meej tias txhua cov yeeb nkab seem yog sib txuas lus, thiab tom qab ntawd siv. lub tes tsho ncaj qha (cov yeeb nkab) raj yuav nug lub qhov ncauj yeeb nkab thiab hauv qab ntawm cov yeeb nkab tso tawm.
2, kev zam thiab kev daws teeb meem ntawm cov kav dej xau lo lus nug
Cov lus nug txog cov dej xau yog cov dej xa dej thiab cov kav dej xa dej engineering kev tsim kho yog qhov tsis ntseeg ntau, cov ntsiab lus ntawm cov lus nug no muaj ntau dua, kev zam thiab pov tseg ntawm cov lus nug no yog ib qho tseem ceeb ntawm kev txhawj xeeb rau kev siv dej thiab kev tsim vaj tse engineering, kev cai nruj rau qhov nruj. ntawm kev tswj kav kav dej nyob ib ncig ntawm tag nrho cov txheej txheem engineering.
Yam tseem ceeb: cov lus nug ntawm cov kav dej xau tuaj yeem txheeb xyuas los ntawm ob theem ntawm cov khoom siv raw thiab kev ua haujlwm tiag tiag ntawm kev tsim kho engineering. Cov khoom siv raw: Cov khoom siv raw khoom muaj xws li: lub zog compressive ntawm cov yeeb nkab fittings thiab cov kav dej tsis yog raws li tus qauv; Cov kav dej thiab cov kav dej muaj cov xuab zeb qhov; Cov yeeb nkab installation tom qab raug puas tsuaj los ntawm tib neeg yam. Qhov teeb meem no tau kov los ntawm cov neeg tsim, qhov zoo ntawm cov yeeb nkab galvanized yog ntau dua ntawm lub luj tshib, qhov seem ntawm lub luj tshib yog feem ntau cov phab ntsa thickness ntawm lub puab arc yog nyias los yog xuab zeb qhov, tib neeg lub qhov muag feem ntau nyuaj nrhiav. . Qhov zoo ntawm cov ntaub ntawv yas yeeb nkab feem ntau yog qhov zoo heev, thiab cov pa xau feem ntau yog tshwm sim los ntawm kev puas tsuaj ntawm kev teeb tsa los ntawm lwm cov neeg ua haujlwm ua haujlwm. Kev tsim kho vaj tsev ua haujlwm theem ua haujlwm: engineering kev tsim kho thaj chaw muaj xws li: galvanized yeeb nkab xov ua haujlwm tsis dhau; Lub qhov (socket) sib txuas yog tsis nruj. Qhov no kuj yog ib qho tseem ceeb. Cov dej xau ntawm cov kav dej socket yog tsawg heev. Feem ntau ntawm cov ntsiab lus uas qhia cov lus nug no yog kev tsim kho engineering tsis tu ncua. Thaum cov kav dej txuas nrog, nws tsis yog qhov zoo kom tsis nco qab cov kua nplaum los yog stab tob. Sib sib zog nqus markup, yooj yim rau manipulate thiab yooj yim rau kev nug.
Kev tiv thaiv thiab kev daws teeb meem: nruj me ntsis tswj cov txheej txheem yuav khoom, ua tib zoo nug. Sau daim ntawv thov ntawm cov yeeb nkab fittings thiab cov kav dej ntawm tag nrho cov batch thiab hloov tam sim ntawd thaum pom qhov tsis ntseeg. Rau cov khoom siv PPR yeeb nkab, qhov ductility ntawm kev daws teeb meem los tiv thaiv. Cov txheej txheem kev siv tau: tsis yog - ncaj qha faus cov kav dej tso, yuav tsum xav txog cov kev daws teeb meem ntawm cov kav dej thermal expansion thiab txias contraction deformation ntawm cov txheej txheem kev. Lub ductility ntawm lub raj xa dej yuav tsum tau them nyiaj los ntawm lub folding caj npab ntawm lub raj xa dej kom deb li deb tau; Thaum cov kav dej tsis tuaj yeem siv raws li kev them nyiaj ntuj, lwm txoj kev them nyiaj yuav tsum tau siv. Yuav tsum muaj kev them nyiaj rau cov theem tseem ceeb rau qib qib nce qib, qib theem rau cov risers, thiab risers rau cov khaubncaws sab nraud povtseg yam tsis muaj kev cuam tshuam rau ib leeg thaum lub ductility ntawm cov yeeb nkab txuas ntxiv. Thaum txhim kho cov yeeb nkab kab rov tav lossis cov yeeb nkab riser, qhov chaw sab hauv tsev yuav tsum tsim kom txaus, thiab "U" zoo li cov yeeb nkab yuav tsum tau siv los them rau qhov deformation. Qhia cov lus nug txog dej xau, nrhiav dej seepage point, nrhiav dej seepage point tom qab kev soj ntsuam ntawm yam. Tom qab ntawd, cov kev ntsuas cuam tshuam tau raug coj los daws qhov teeb meem: hloov cov yeeb nkab tsis tsim nyog thiab cov kav dej; Yog tias qhov kev ua haujlwm tiag tiag ntawm kev tsim kho engineering tsis dhau tus qauv, nws yuav rov ua dua thiab tsim los ntawm kos. Vim lub PPR yeeb nkab uas tsim los ntawm thermal expansion thiab txias contraction, txiav tawm ib feem ntawm cov yeeb nkab los txais yuav cov saum toj no technical ntsuas los ua rectification.
3, kev xaiv thiab kev teeb tsa ntawm lub rooj vag valve thiab kev tiv thaiv
Cov yam ntxwv ntau lawm: kev xaiv tsis tsim nyog ntawm lub rooj vag valve hom: hom valve thiab kav dej tswj kev ua haujlwm thiab kev ua haujlwm siab tsis sib xws, lub ntiaj teb valve thiab lub ntiaj teb valve sib xyaw siv, disc valve thiab valve sib xyaw siv, Lub ntiaj teb valve thiab lub ntiaj teb valve sib xyaw siv, qia valve thiab tsaus qia valve sib xyaw siv, kev khiav dej num thiab kev saib xyuas muaj kev cuam tshuam tsis zoo. Lub rooj vag valve sib dhos tsis haum rau kev ua haujlwm thiab kev saib xyuas. Kos valve ntaus ntawv txoj hauj lwm tsis tsim nyog thiab lwm yam lus nug.
Kev tiv thaiv txoj hauv kev: thaum lub cuab yeej xav txog kev ua haujlwm tiag tiag thiab kev saib xyuas ntawm qhov chaw sab hauv tsev, xyuam xim rau qhov ntsuas qhov siab ntawm cov cuab yeej thiab kev taw qhia ntawm lub tsev rocker; Yog hais tias ob lub rooj vag li qub txuas nrog tam sim ntawd thiab qhov sib txawv ntawm lub thauj tog rau nkoj bolts yog luv, ib lub yeeb nkab hoop yuav tsum tau ntxiv ntawm ob lub li qub. Kos li qub yuav tsum tau txheeb xyuas los ntawm tus xub. Lub qhov hluav taws xob ntawm lub qhov hluav taws xob ntawm lub tank dej qis yuav tsum tau nyob ntawm ntau dua 1m deb ntawm cov dej hauv qab lub tank kom yooj yim rau qhov tseeb ntawm lub valve, lossis siv cov kev sib txhuam tsis tshua muaj kev sib txhuam.
4, suab nrov nug yam thiab kev daws teeb meem
Cov yam ntxwv tiam: thaum lub siab ua haujlwm ntawm cov dej xa dej thiab cov kav dej ntws tawm ntau dua 0.3-0.4mpa thiab cov kav dej ntev yog ≤20mm thiab cov kav dej ntev, cov kav dej yuav tsim suab nrov thiab kev co, uas yog feem ntau tshwm sim los ntawm kev co-vibration generated los ntawm kev tsav tsheb ntawm cov dej ceev ceev thiab cov kav dej tswj kav dej. Cov yeeb nkab yeeb nkab tsis muaj suab nrov lo lus nug: cov yeeb nkab yeeb nkab dej tsis puv thiab quab yuam khiav, suab nrov yog inevitable, thiab los ntawm cov yeeb nkab cov khoom raug mob. Kev sim cov ntaub ntawv raw qhia tias thaum tag nrho cov dej ntws ntawm DN100 yeeb nkab yog 2.7L / s, lub suab nrov ntawm cov yeeb nkab hlau cam khwb cia yog 46.5dB, thiab cov suab nrov ntawm PVC-U yeeb nkab yog 58dB. Yog li ntawd, mos pob tw cam khwb cia hlau drainpipe yuav tsum tau siv nyob rau hauv high-end chav yuav tsum tau ntsiag to. Tshiab fiberpipe polyurethane ua npuas ncauj suab nrov txo PSP yeeb nkab, suab rwb thaiv tsev nyhuv yog zoo heev, tus nqi yog me ntsis kim, kuj siv tau.
Txoj kev tiv thaiv: daim npav tiv thaiv txoj kev suav nrog kev tsim cov yeeb nkab kom tsim nyog, siv cov roj hmab hloov tau yooj yim sib koom ua ke, ntxiv cov roj hmab phaj nruab nrab ntawm txoj kev txhawb nqa thiab cov raj xa dej thiab refitting siab regulating valve, thiab lwm yam. rov kho dua kom txo lub suab nrov kom tsawg.
Lub rooj vag valve siv tau ntev, koj puas paub yuav ua li cas kom ntseeg tau qhov nruj ntawm lub rooj vag valve?
Piston thiab siab siab lub rooj vag valve protrusions tuaj yeem raug puas tsuaj thiab cov ntsaws ruaj ruaj txo tom qab kev pabcuam ntev. Kev kho qhov protruding nto yog ib qho haujlwm loj thiab tseem ceeb heev. Txoj kev kho tshwj xeeb yog kev sib tsoo. Rau qhov kev puas tsuaj loj dua ntawm qhov chaw protruding, nws yog thawj zaug txau vuam tom qab nc ua thiab tom qab ntawd sib tsoo.