Kev sib tham txog kev siv lub teeb liab valve rau hluav taws kub hydrant tswj valve hauv cov tsev siab

Kev sib tham txog kev siv lub teeb liab valve rau hluav taws kub hydrant tswj valve hauv cov tsev siab

Cov lus qhia ntawm lub tsev siab siab hluav taws kub hydrant tswj valve siv lub teeb liab valve tham txog cov ntsiab lus: high-rise tsev hluav taws kub hydrant valve tswj lub teeb liab valve raws li cov kev cai ntawm "cov cai rau kev tiv thaiv hluav taws tsim ntawm cov tsev siab", nyob rau hauv tsev hluav taws kub hydrant system, dej muab tub lim daim ntawv thov valve yog muab faib ua ib tug xov tooj, thiab valve yuav tsum pom tseeb cov cim.
Qhov no yog kom tus naj npawb ntawm cov hydrant standpipes tsis tsawg tshaj li ib qho thaum cov yeeb nkab tau txais kev pab.
{Tam sim noHot} nrog rau kev txhim kho ntawm niaj hnub architecture, lub tsev ntawm ntau yam pipelines rau zoo nkauj thov yuav tsum tau muab zais kom deb li deb li sai tau mus decorate, yog li ntawd, hydrant kav nyob rau hauv lub qab nthab, raj zoo, yog dav, tab sis qhov no yog ib qho teeb meem, namely lub tswj valve ntawm qhib hluav taws hydrant yeeb nkab tsis tuaj yeem tau txais kev saib xyuas, ua rau hluav taws kub hydrant tuaj yeem siv tau.
Piv txwv li no: "Lub Xeev Grid Control Center ntawm Ministry of Hluav Taws Xob" qhov project npog thaj tsam ntawm ntau tshaj 50,000 square metres, nrog peb lub tsev hauv av thiab 27 plag tsev saum av. Lub tsev siab tshaj 110 meters. Nws yog ib lub tsev ntse ntse ua ke nrog cov lus txib ntau lawm thiab xa tawm, chaw ua haujlwm thiab lub rooj sib tham ua haujlwm, thiab nws cov qib siab ntawm automation tsis tshua muaj nyob hauv Suav teb.
Nyob rau hauv kev tsim ntawm lub tshuab nqus dej tsis siv neeg, kuv siv cov teeb liab li qub nyob rau hauv pem hauv ntej ntawm tag nrho cov dej ntws ntsuas, yog li cov xwm txheej ntawm lub kaw lus tuaj yeem tshwm sim hauv qhov chaw tswj hluav taws, thiab cov teeb meem tuaj yeem pom ntawm qhov pom tseeb. Tsis tas li ntawd, kev tswj cov dej theem ntawm lub neej thiab kev tua hluav taws, thiab qhov pib thiab nres ntawm lub twj tso kua mis hluav taws kuj tseem saib xyuas kom tsim nyog. Tsuas yog cov tswj valve ntawm lub tshuab hluav taws xob siv hluav taws xob zoo tib yam li qub raws li cov lus qhia tshwj xeeb *, uas muaj qhov pom tseeb qhib thiab kaw, tab sis tsis tuaj yeem pom hauv qhov chaw tswj hluav taws. Tsis tas li ntawd, cov li qub no nyob hauv lub raj zoo thiab lub qab nthab rau kev xav tau kev zoo nkauj, thiab qhov zoo ntawm cov neeg ua haujlwm tam sim no tsis tuaj yeem lav qhov kev ntseeg tau ntawm qhov system.
Nyob rau hauv kev tiv thaiv hluav taws nyob rau hauv tus txheej txheem ntawm kev lees txais, txawm hais tias cov thawj coj ntawm lub ministry project lub hauv paus chaw ua hauj lwm, kev tsim kho thiab tsim chav tsev yog heev tiag tiag, tau ua rau lub deployment thiab lub thaum ntxov rectification, zoo rehearsed, tab sis nyob rau hauv tus txheej txheem ntawm hluav taws kub official lub sij hawm. kev lees txais, tab sis muaj ib qho teeb meem, muaj hluav taws kub hydrant hluav taws kub hydrant ntawm lub standpipe txawm li cas los kuj tso tsis tau tawm ntawm cov dej, thiab lwm yam plaub yog ib txwm, Peb nrhiav tsis tau ib qho teeb meem ntawm lub chaw tswj hluav taws.
Tom qab kev tshuaj xyuas, nws tau pom tias cov tswj valve ntawm ob qhov kawg ntawm lub riser raug kaw vim yog kev saib xyuas, thiab cov neeg ua haujlwm tsis qhib lub valve tom qab kev kho, ua rau cov hluav taws kub hnyiab tsis tau dej.
Kuv xav tias, nyob rau hauv cov ntaub ntawv uas txhua leej txhua tus muab qhov tseem ceeb heev rau, tseem tshwm sim zoo li cov teeb meem no, thiab feem ntau nyob rau hauv cov ntaub ntawv ntawm ib qho yooj yim tuag tes tuag taw ntau tsis paub yuav ua li cas cov teeb meem yuav tshwm sim.
Qhov no muaj feem xyuam rau seb qhov hluav taws kub hydrant system yog tus yuam sij rau kev siv cov teeb meem, thiab txoj hauv kev txhim khu kev qha kom tsis txhob muaj qhov xwm txheej no tshwm sim yog hluav taws kub hydrant system tswj li qub tau teeb tsa rau hauv lub teeb liab valve, thiab lub valve qhib los tso rau hauv qhov chaw. ntawm kev tswj hluav taws, kom cov neeg ua haujlwm tswj xyuas, txawm tias tus nqi tau nce, txawm li cas los xij, qhov piv ntawm kev nqis peev rau tag nrho cov hluav taws kub hydrant system tseem tsawg heev, thiab nws tuaj yeem ua rau tag nrho cov hluav taws kub hydrant system kev nyab xeeb ** kev txhim kho, uas Kuv xav tias tsim nyog rau kev nqis peev.
Tswj valve installation thiab kev tsim kho kev txiav txim siab tsom xam
Tswj valve installation thiab kev tsim kho kev txiav txim siab tsom xam
Kev ceev faj rau kev teeb tsa thiab kev tsim kho:
Kev ceev faj rau kev tswj lub valve yuav tsum raug coj mus rau hauv tus account xws li kev ua haujlwm yooj yim, kev nyab xeeb thiab kev tsim qauv. Cov ntsiab lus tshwj xeeb yog raws li nram no:
(1) Txhim kho txoj haujlwm thiab kev taw qhia ntawm kev tswj valve:
1. Raws li cov qauv tsim thiab cov ntaub ntawv tsim, qhov chaw teeb tsa yuav tsum muaj qhov chaw ua haujlwm txaus rau kev teeb tsa, kev ua haujlwm thiab kev saib xyuas; Qhov chaw yuav tsum tsis txhob teeb tsa hauv kev vibration, av noo, yooj yim rau kev puas tsuaj, muaj zog electromagnetic cuam tshuam, kub kub, kub hloov thiab corrosive gas qhov chaw; Installation yuav tsum ruaj thiab du; Lub installation txoj hauj lwm yuav tsum ua kom lub actuator ntawm lub valve tswj nyob rau hauv lub Upper ib feem ntawm lub regulating mechanism, uas qhia lub installation ntawm ntau yam ntawm lub direct stroke tswj valve. Qhov twg, xaiv txoj hauj lwm.
2. Cov kev taw qhia ntws ntawm cov kua hauv lub valve tswj kev khiav ntawm cov kua hauv lub valve yuav tsum ua raws li cov xub cim rau ntawm lub valve lub cev ntawm lub valve tswj. Cov xwm txheej tshwj xeeb yuav tsis txwv los ntawm cov kev cai no.
3, tswj valve kev twb kev txuas tswj valve kev twb kev txuas muaj xov txuas, flange kev twb kev txuas thiab vuam kev twb kev txuas. Threaded kev twb kev txuas yog siv rau me me caliber tswj li qub. Thaum txhim kho threaded kev twb kev txuas tswj li qub, tshem tawm cov khoom sib txuas yuav tsum tau muab ntsia rau tib lub sijhawm. Flange kev twb kev txuas muaj ob hom flange kev twb kev txuas thiab clamping kev twb kev txuas, lub nominal txoj kab uas hla ntawm lub connecting flange yuav tsum tau raws li txoj kab uas hla ntawm lub valve tswj. Flanges kuj muaj cov qib siab sib txawv, qib siab ntawm flange yuav tsum ua raws li qib siab ntawm kev tswj valve. Sab hauv txoj kab uas hla ntawm flange yuav tsum sib npaug rau sab hauv txoj kab uas hla ntawm cov yeeb nkab. Qhov tso cai sib txawv ntawm perpendicularity ntawm flange nto thiab yeeb nkab axis yog. Flange sealing nto yuav tsum tau yaug. Thaum txuas lub flange, lub zog yuav tsum tsis sib xws thiab tsim nyog kom tsis txhob muaj siab dhau ntawm qhov. Zam kev sib txuas vuam kom deb li deb tau. Thaum vuam kev sib txuas, detachable movable connectors yuav tsum tau ntsia. Thaum cov tswj valve txuas nrog, sab hauv ntawm cov yeeb nkab txuas yuav tsum tsis txhob coj mus rau qhov tshiab protrusion. Piv txwv li, sealing gaskets, vuam pob qij txha, thiab lwm yam yuav tsum tsis txhob protrude nyob rau hauv cov yeeb nkab.
4, tswj valve thiab sab sauv, downstream cut-off valve, bypass valve kev twb kev txuas tswj valve, downstream cut-off valve thiab bypass valve yuav tsum tau ntsia nyob rau tib lub sij hawm nrog tswj valve. Qhov ntev ntawm cov yeeb nkab ntu nruab nrab ntawm cov ntu ntu nruab nrab thiab qis qis thiab cov tswj valve yuav tsum xav txog cov kav dej tsis kam thiab cov nyhuv ntawm cov dej ntws hauv lub xeev. Qhov ntev ntawm cov yeeb nkab ncaj nraim yog qhov ntev, uas yog qhov tsim nyog rau kev ruaj ntseg ntawm cov kua dej tom qab txiav tawm valve, tuaj yeem ua rau cov kua dej ruaj khov, txo cov kev cuam tshuam ntawm cov dej ntws tawm, txo cov suab nrov; Qhov ntev ntawm cov yeeb nkab ncaj yog luv luv, thiab cov kua dej nkag mus rau hauv lub valve ua ntej nws ruaj khov tom qab txiav tawm valve, uas ua rau lub suab nrov, tab sis qhov luv luv ntawm cov yeeb nkab seem yog qhov zoo los txo cov kav dej tsis zoo, txhim kho lub siab poob. ntawm ob qhov kawg ntawm lub valve tswj, txo qhov distortion ntawm cov yam ntxwv ntws, thiab yog qhov zoo rau kev ua haujlwm ruaj khov ntawm kev tswj hwm. Yog li ntawd, yuav tsum ntsuas thiab ua kom tiav. Feem ntau, sab qaum teb yuav tsum muaj cov yeeb nkab ncaj ntawm 10D txog 20D, thiab sab hauv qab yuav tsum muaj cov yeeb nkab ncaj ntawm 3D txog 7D. D yog qhov nominal txoj kab uas hla ntawm cov kav dej, thiab cov khoom siv rectifier yuav tsum tau teeb tsa yog tias tsim nyog.
(2) kev xaiv cov txheej txheem txuas
1. Muaj ntau txoj hauv kev los txuas cov tswj valve thiab sab sauv thiab downstream cut-off valve, thiab ntau txoj kev sib txuas. Nyob rau hauv daim duab, cov qauv ntawm cov tswv yim A yog compact, occupies Ib tug me me hneev taw, yog ib qho yooj yim los tswj thiab khiav lag luam, thiab lub system yog ib qho yooj yim mus npliag los yog ntws. Tab sis feem ntau tsis tuaj yeem ua tau raws li cov yeeb nkab ntev txaus, ua rau muaj suab nrov. Cov qauv ntawm cov tswv yim B npog ib cheeb tsam loj, thiab cov tswj valve tuaj yeem ntsia tau rau hauv qis lossis sab saud, uas yooj yim kom ua tau raws li qhov yuav tsum tau ua, tab sis qhov ntev ntawm cov yeeb nkab ncaj ncaj tsis yooj yim los xyuas kom meej. Cov qauv ntawm cov tswv yim C yog tsim rau angular tswj li qub, uas tuaj yeem txo tus naj npawb ntawm lub luj tshib thiab nyob hauv ib cheeb tsam me me. Rau kev khiav dej num ntawm lub hauv qab inlet thiab qhov hluav taws xob, muaj peev xwm ua tau ib tug ntev upstream ncaj yeeb nkab ntev. Cov qauv ntawm Plan D zoo ib yam li Plan B thiab nyob thaj tsam loj dua. Cov qauv ntawm cov txheej txheem E yog tsim rau angular li qub. Piv nrog rau cov tswv yim C, qhov ntev ntawm cov yeeb nkab ncaj nraim ntawm sab saud yog luv dua, uas tsis tsim nyog rau cov kua dej ruaj khov. Cov qauv ntawm cov txheej txheem F yog ib qho kev sib koom ua ke. Nws muaj cov hneev taw loj, tsis muaj cov kav dej tsis zoo, tab sis qhov chaw tsawg dua rau kev ua haujlwm thiab kev saib xyuas.
2. Kev sib txuas ntawm lub valve tawm, tso tawm valve thiab tso tawm valve, txhawm rau txhawm rau txhim kho lub disassembly ntawm lub valve tswj, lub siab ua ntej thiab tom qab lub valve yuav tsum raug tso tawm ua ntej disassembly, thiab cov paug valve yuav tsum tau nruab nruab nrab ntawm cov tswj valve. thiab sab sauv thiab qis txiav tawm li qub.
3. Lub valve thiab qhov dej ntws tawm yog siv los tso cov pa uas tsis yog condensing thiab condensate entrained hauv cov kua. Thaum cov dej tswj tau yog roj lossis chav thaum lub sijhawm teeb tsa, lub tshuab hluav taws xob yuav tsum tau muab tso rau ntawm qhov qis ntawm cov tswj valve tau teeb tsa kom yooj yim rau condensate paug. Thaum cov kua tswj tau yog kua, txhawm rau pab txhawb cov pa tawm ntawm cov pa uas tsis yog condensing, cov pa tawm valve yuav tsum tau nruab rau ntawm qhov siab ntawm pawg tswj valve.
4. Bypass valve. Thaum lub valve tswj tau raug tshem tawm rau kev saib xyuas, lub bypass valve tuaj yeem siv los khiav cov txheej txheem ntau lawm. Thaum them cov tsheb ntau dhau. Thaum lub valve tswj tsis tuaj yeem hloov kho ib txwm, raws li kev ntsuas kub ceev, lub viav vias valve tseem tuaj yeem siv los ua cov txheej txheem kev sib txuas ntawm cov tswj valve los tswj cov txheej txheem. Txhawm rau txo cov nqi, cov caliber loj tswj li qub tau nruab nrog cov tes tuav tes uas tuaj yeem ua haujlwm tsis yog bypass li qub. Lub installation ntawm lub bypass valve yuav tsum yooj yim rau kev khiav lag luam, nws thiab tswj valve, downstream cut-off valve ua ke los tsim ib tug tswj valve pawg, yog li ntawd, installation yuav tsum tau matched nrog lawv, thiab ua kom tiav kev tsim kho nyob rau tib lub sij hawm. Lub nominal txoj kab uas hla ntawm lub bypass valve yog tib yam li lub nominal txoj kab uas hla ntawm lub raj xa dej, thiab cov chav kawm siab yog ua raws li cov txheej txheem siab chav kawm.
5. Lub installation ntawm tus actuator feem ntau yog txuas ncaj qha nrog lub valve lub cev ntawm lub valve tswj, tab sis thaum lub hydraulic actuator, ntev stroke actuator thiab lwm yam actuators raug cais los ntawm lub valve lub cev ntawm lub valve tswj, yuav tsum tau them nyiaj mloog mus rau lub installation. ntawm tus actuator. Cov pas txuas txuas thiab cov tshuab txav mus los ntawm tus actuator yuav tsum hloov pauv yam tsis muaj loosening lossis clamping. Qhov txuas txuas ntev yuav tsum ruaj khov, hloov tau thiab txhim khu kev qha nyob rau hauv tag nrho cov kab mob stroke. Thaum txuas nrog lub valve tswj lub cev nrog thermal hloov hauv cov txheej txheem piping, xyuas kom meej tias qhov chaw txheeb ze ntawm actuator thiab tswj valve lub cev tseem tsis hloov. Lub handwheel actuator muaj ob hom sab mounting thiab sab saum toj mounting, thiab qhov chaw ua haujlwm yuav tsum tau sab laug thaum txhim kho. Kev ua haujlwm ntawm tes yuav tsum hloov pauv, tsis muaj qhov cuam tshuam los yog torsion tshwm sim. Kev sib raug zoo ntawm kev sib hloov kev taw qhia ntawm tes thiab lub valve qhib yuav tsum raug cim. Cov cuab yeej txwv yuav tsum tau kho kom zoo los ua lub luag haujlwm tiv thaiv. Lub hydraulic actuator yuav tsum tau nruab qis dua tus maub los, yog tias nws yuav tsum siab dua li tus maub los, qhov siab qhov sib txawv yuav tsum tsis pub tshaj 1.0m, thiab lub qhov tso pa tawm yuav tsum tau nruab rau ntawm cov yeeb nkab cua sau cov ntsiab lus, thiab kos valve lossis txiav tsis siv neeg. -off valve yuav tsum tau ntsia ze ntawm tus maub los.
6, valve positioner installation valve positioner valve txoj hauj lwm nrhiav kom tau cov cuab yeej thiab tswj valve qia lossis valve ncej txuas ncaj qha, yog li ntawd, kev teeb tsa yuav tsum xyuas kom meej tias cov lus qhia tawm tswv yim tuaj yeem raug, raws sij hawm cuam tshuam lub valve txoj hauj lwm teeb liab thiab kev hloov. Feem ntau, lub valve positioner yog nkag nrog lub valve tswj, thiab cov chaw tsim khoom ua tiav qhov kev sib txuas ntawm ob. Thaum cov txheej txheem ntau lawm tswj yuav tsum tau ntxiv lub valve positioner, yuav tsum xyuas kom meej tias lub valve positioner valve txoj hauj lwm nrhiav kom tau ntaus ntawv yog raug, txhim khu kev qha thiab hloov tau. Cov neeg kho tshuab tshem tawm ntawm cov lus tawm tswv yim qws fulcrum yuav tsum tsawg li tsawg tau. LUB SIJ HAWM NTAWM LUB VALVE POSITIONER yuav tsum tau sib txuas kom raug, thiab AIR SOURCE LINE THIAB OUTPUT LINE thiab INPUT LINE yuav tsum tau cim nrog cov ntawv teev npe. Lub valve txoj hauj lwm tso saib teeb liab ntawm lub valve positioner yuav tsum yooj yim rau kev khiav hauj lwm thiab tu cov neeg ua haujlwm saib xyuas.
7. Kev teeb tsa ntawm lwm yam khoom siv, suav nrog lub valve txoj hauj lwm sensor, solenoid valve, txwv hloov, actuator, hluav taws xob converter, thiab lwm yam., yuav tsum tau ntsia raws li cov kev cai ntawm cov khoom siv phau ntawv. Me me ntws tswj valve yuav tsum tau muab ntsia rau hauv cov lim dej ntws. Thaum muaj kev kub ntxhov hnyav heev, cov cuab yeej kho yuav tsum tau nruab rau sab saud.
8. Kev teeb tsa cov kav dej txuas txuas Kev teeb tsa ntawm cov kav dej sib txuas yuav tsum tau ua tib zoo saib xyuas cov teeb meem hauv qab no.
1) Cov yeeb nkab yeeb nkab thiab cua qhov kav dej feem ntau txais yuav PVC sheathed tooj liab yeeb nkab cable, txoj kab uas hla yog sL6Xl lossis g18Xl
2) Lub raj xa hluav taws xob yuav tsum nyob ze rau qhov tswj valve.
3) Lub teeb liab kav dej thiab cov kav dej hydraulic yuav tsum ua kom luv li sai tau kom txo cov teeb liab qeeb thiab lub sijhawm ua haujlwm tas li.
4) Lub raj xa dej yuav tsum muaj kev nthuav dav txaus thiab rov ua dua, thiab yuav tsum tsis txhob cuam tshuam kev ua haujlwm ntawm tus actuator.
5) Lub vuam slag yuav tsum tsis txhob muab tso rau hauv cov yeeb nkab thaum lub sij hawm vuam kav. Cov kab txuas yuav tsum tau muab ntxuav ua ntej kev teeb tsa kom tshem tawm cov av xws li roj, dej thiab xeb. Kev sib txuas cov kav dej yuav tsum zoo huv si thiab zoo nkauj.