Qhov tseem ceeb ntawm li qub nyob rau hauv pipeline tsim Pipeline dej hloov tshuab
Hauv cov kav dej hauv cov kav dej, cov li qub yog cov tswj hwm lub luag haujlwm uas nws lub luag haujlwm tseem ceeb yog cais cov khoom siv thiab cov kav dej, tswj cov dej ntws, tiv thaiv rov qab, tswj thiab tawm siab. Vim hais tias cov kav dej xaiv lub valve yog qhov tseem ceeb heev, yog li kom nkag siab cov yam ntxwv ntawm lub valve thiab xaiv cov kauj ruam ntawm lub valve thiab lub hauv paus kuj tseem ceeb heev. Qhov tseem ceeb ntawm li qub hauv kev tsim cov kav dej..
Hauv cov kav dej hauv cov kav dej, cov li qub yog cov tswj hwm lub luag haujlwm uas nws lub luag haujlwm tseem ceeb yog cais cov khoom siv thiab cov kav dej, tswj cov dej ntws, tiv thaiv rov qab, tswj thiab tawm siab. Vim tias cov kav dej xaiv lub valve uas haum tshaj plaws yog qhov tseem ceeb heev, yog li kom nkag siab cov yam ntxwv ntawm lub valve thiab xaiv cov kauj ruam ntawm lub valve thiab lub hauv paus kuj tseem ceeb heev.
Qhov tseem ceeb ntawm cov valve hauv kev tsim cov kav dej
1. Cov yam ntxwv ntawm lub valve feem ntau yog ob yam, kev pabcuam thiab cov yam ntxwv ntawm cov qauv.
Siv cov yam ntxwv: nws txiav txim siab siv lub ntsiab ntawm lub valve kev ua tau zoo thiab ntau yam ntawm kev siv, muaj cov yam ntxwv ntawm kev siv lub valve yog: pawg valve (kaw Circuit Court valve, tswj valve, kev nyab xeeb valve, thiab lwm yam); Yam khoom (lub rooj vag valve, lub ntiaj teb valve, npauj npaim valve, pob valve, thiab lwm yam); Qhov tseem ceeb ntawm lub valve (valve lub cev, npog, qia, disc, sealing nto); Valve kis tau tus mob hom, thiab lwm yam. Cov yam ntxwv ntawm cov yam ntxwv: nws txiav txim siab lub installation ntawm lub valve, kho, txij nkawm thiab lwm yam kev ntawm ib co yam ntxwv yam ntxwv, teej tug mus rau lub structural yam ntxwv yog: lub structural ntev ntawm lub valve thiab tag nrho qhov siab, thiab cov yeeb nkab txuas. daim ntawv (flange kev twb kev txuas, xov txuas, hoop kev twb kev txuas, sab nraud xov txuas, vuam kawg kev twb kev txuas, thiab lwm yam); Daim ntawv ntawm sealing nto (ntxig nplhaib, xov nplhaib, nto, tshuaj tsuag vuam, lub cev lub cev); Valve qia qauv daim ntawv (rotating pas nrig, nqa pas nrig), thiab lwm yam.
2. Cov kauj ruam thiab lub hauv paus ntawm kev xaiv valve yog raws li nram no:
⑴ Xaiv cov kauj ruam
Ntshiab valve nyob rau hauv cov khoom siv los yog cov cuab yeej siv, txiav txim siab qhov kev ua haujlwm ntawm lub valve: siv nruab nrab, ua haujlwm siab, ua haujlwm kub thiab lwm yam.
(2) Txiav txim siab qhov loj me thiab kev sib txuas ntawm cov yeeb nkab txuas nrog lub valve: flange, xov, vuam, thiab lwm yam.
(3) Txiav txim siab txoj hauv kev ua haujlwm ntawm lub valve: phau ntawv, hluav taws xob, hluav taws xob, pneumatic lossis hydraulic, hluav taws xob txuas lossis electro-hydraulic linkage.
④ Raws li cov kav xa dej nruab nrab, kev ua haujlwm siab, ua haujlwm kub los txiav txim siab xaiv lub plhaub plhaub thiab cov khoom siv sab hauv: grey cam khwb cia hlau, malleable cam khwb cia hlau, ductile hlau, carbon steel, alloy steel, stainless acid-resistant steel, tooj liab alloy, thiab lwm yam.
⑤ Xaiv hom valve: kaw-circuit valve, tswj valve, kev nyab xeeb valve, thiab lwm yam.
⑥ Txiav txim siab hom valve: rooj vag valve, lub ntiaj teb valve, pob valve, npauj npaim valve, throttle valve, kev ruaj ntseg valve, siab txo valve, chav ntxiab, thiab lwm yam.
Txiav txim siab qhov tsis zoo ntawm lub valve: rau lub valve tsis siv neeg, raws li kev xav tau sib txawv los txiav txim siab qhov kev khiav hauj lwm, kev tso tawm muaj peev xwm, rov qab siab, thiab tom qab ntawd txiav txim siab lub taub ntawm lub raj xa dej thiab txoj kab uas hla ntawm lub qhov rooj.
⑧ los txiav txim siab qhov xaiv geometric tsis ntawm lub valve: qauv ntev, flange kev twb kev txuas daim ntawv thiab qhov loj, qhib thiab kaw tom qab lub valve qhov siab ntawm qhov loj, kev sib txuas ntawm lub qhov taub qhov loj thiab tus lej, qhov loj ntawm tag nrho lub valve.
⑨ Siv cov ntaub ntawv muaj: valve khoom catalog, valve khoom kuaj, thiab lwm yam., xaiv cov khoom valve tsim nyog.
Lub hauv paus rau xaiv lub valve
(1) kev siv lub valve xaiv, kev ua haujlwm thiab kev tswj hom.
(2) Cov yam ntxwv ntawm kev ua haujlwm nruab nrab: kev ua haujlwm siab, ua haujlwm kub, kev ua haujlwm corrosion, txawm tias nws muaj cov khoom siv, txawm tias qhov nruab nrab yog tshuaj lom, txawm tias nws yog flammable, tawg nruab nrab, nruab nrab viscosity thiab lwm yam.
③ Cov yam ntxwv ntawm cov kua dej valve: ntws tsis kam, tso tawm peev xwm, cov yam ntxwv ntws, qib sealing thiab lwm yam.
(4) Kev teeb tsa loj thiab qhov zoo li qhov yuav tsum tau muaj: nominal txoj kab uas hla, kev sib txuas nrog cov yeeb nkab thiab kev sib txuas loj, qhov loj me lossis qhov hnyav txwv.
⑤ Cov kev xav tau ntxiv rau kev ntseeg siab ntawm cov khoom siv valve, kev pabcuam lub neej thiab kev ua haujlwm tawg ntawm cov khoom siv hluav taws xob. Raws li cov kev xaiv saum toj no ntawm lub hauv paus thiab cov kauj ruam, tsim nyog thiab raug xaiv ntawm lub valve yuav tsum muaj kev nkag siab ntxaws ntawm cov qauv sab hauv ntawm ntau hom li qub, txhawm rau kom muaj peev xwm xaiv lub valve kom xaiv qhov raug. Qhov kawg tswj ntawm lub raj xa dej yog lub valve. Lub valve qhib thiab kaw qhov chaw tswj qhov ntws tawm ntawm cov kav dej, cov duab ntawm lub valve ntws channel ua rau lub valve kom muaj cov yam ntxwv ntws, uas yuav tsum tau coj mus rau hauv tus account thaum xaiv lub valve haum rau kev teeb tsa hauv cov kav dej.
Cov hauv qab no yog cov hauv paus ntsiab lus uas yuav tsum tau ua thaum xaiv cov li qub
(1) Lub valve nrog qhov kev txiav tawm thiab qhib qhov nruab nrab ntws tawm yog lub valve ncaj nraim, qhov ntws tsis kam yog me me, feem ntau yog xaiv raws li lub valve nrog kev txiav tawm thiab qhib nruab nrab. Downward kaw valve (globe valve, plunger valve) vim nws txoj kev ntws ntws tawm, ntws tsis kam siab dua li lwm cov li qub, yog li xaiv tsawg dua. Kaw li qub tuaj yeem siv tau qhov kev tso cai siab txaus.
Kev tswj cov dej ntws yog feem ntau yooj yim los kho cov dej ntws ntawm lub valve raws li kev tswj cov dej ntws. Downward CLOSING li qub (xws li GLOBE li qub) yog qhov tsim nyog rau lub hom phiaj no vim tias lub rooj zaum loj yog qhov tsim nyog rau STROKE NTAWM LUB SHUTOFF. Teb VALVES (PLUG, npauj npaim, pob li qub) thiab FLEXURE BODY VALVES (PINCH, DIAPHRAGM) tseem muaj rau kev tswj hwm, tab sis feem ntau tsuas yog nyob rau hauv qhov txwv ntau ntawm valve DIAMETERS. Gate VALVE YOG Lub rooj vag zoo li lub disc rau lub rooj zaum ncig lub rooj tsav tsheb los ua cov lus tsa suab, nws tsuas yog nyob ze rau ntawm txoj haujlwm kaw, tuaj yeem tswj tau qhov ntws zoo dua, yog li feem ntau tsis siv rau kev tswj dej ntws.
⑶ Lub valve nrog thim rov qab shunt raws li qhov xav tau ntawm kev thim rov qab shunt, lub valve no tuaj yeem muaj peb lossis ntau dua. Plug thiab pob li qub yog qhov tsim nyog rau lub hom phiaj no, thiab yog li ntawd, feem ntau cov li qub siv rau kev thim rov qab thiab hloov pauv tau raug xaiv los ua ib qho ntawm cov li qub no. Txawm li cas los xij, hauv qee kis, lwm hom VALVES kuj tseem siv tau raws li kev hloov pauv hloov pauv, muab tias ob lossis ntau lub valve tau txuas nrog rau ib leeg.
⑷ Valve nrog tshem tawm qhov nruab nrab nrog cov khoom raug tshem tawm hauv nruab nrab, ** tsim nyog siv qhov chaw kaw raws li qhov sib khi ntawm qhov zawv zawg valve nrog cov nyhuv so. Yog hais tias lub kaw lus yog vertically mus rau lub nraub qaum thiab FORTH txav ntawm lub rooj zaum, cov khoom yuav raug kaw, yog li lub valve no tsuas yog tsim nyog rau kev siv tshuab ntxhua khaub ncaws tshwj tsis yog cov khoom siv sib khi yuav tsum tau tso cai. Pob li qub thiab ntsaws li qub so lub sealing nto thaum lub sij hawm qhib thiab kaw, yog li lawv yog haum rau siv nyob rau hauv xov xwm nrog tshem tawm hais. Tam sim no, txawm nyob rau hauv cov roj av, tshuaj lom neeg kev lag luam, los yog nyob rau hauv lwm yam kev lag luam ntawm lub raj xa dej system, valve daim ntawv thov, kev khiav hauj lwm zaus thiab kev pab cuam yog hloov, tswj los yog tshem tawm txawm lub tsawg to, cov khoom tseem ceeb thiab cov khoom tseem ceeb yog tus naj npawb ntawm li qub. Kev tswj qhov kawg ntawm cov raj xa dej yog lub valve, lub valve hauv txhua qhov kev pabcuam thiab kev ua haujlwm txhim khu kev qha yog.
Pipeline water transfer technology Pipeline water transfer has goods of water txuag, zog txuag, av txuag, ceev dej hloov ceev, dej raws sij hawm, thiab yooj yim rau kev ua liaj ua teb machinery hauv teb. Pipeline dej xa tshuab tuaj yeem muab faib ua cov kav dej tsis tshua muaj hluav taws xob xa hluav taws xob hauv thaj chaw dej zoo thiab cov kav dej xa hluav taws xob hauv cov kwj dej hauv cheeb tsam raws li cov dej hauv cov dej.
Tsis tshua muaj siab pipeline dej hloov technology nyob rau hauv zoo irrigation cheeb tsam
Thaj chaw ntawm cov yeeb nkab xa hluav taws xob tsis zoo los ntawm dej (ncej), dej xa cov yeeb nkab network thiab qhov hluav taws xob ntawm peb qhov chaw tam sim no tau tsim cov txheej txheem thev naus laus zis uas tsim nyog rau Tuam Tshoj lub teb chaws. Nyob rau hauv lub neej yav tom ntej, tus yuam sij rau kev txhim kho yog tus qauv, standardization, serialization ntawm cov yeeb nkab haum cov khoom thiab kev txhawb nqa daim ntawv thov ntawm teb thyristor system.
Pipeline dej hloov technology nyob rau hauv kwj dej irrigation cheeb tsam
Cov dej xa dej ntawm cov kwj dej kwj dej hauv cheeb tsam muaj cov yam ntxwv ntawm cov dej ntws loj, ntau theem ntawm qhov system thiab complex hydraulic mob. Nws qhov kev nrov npe thiab daim ntawv thov tseem nyob rau theem kev sim hauv Suav teb, thiab nws muaj peev xwm loj hlob. Nyob rau hauv lub neej yav tom ntej, peb yuav tsum coj txoj kev loj hlob thiab zus tau tej cov loj-caliber kav uas tsis zoo raws li ib tug breakthrough, vigorously nqa tawm kev txhawb nqa thiab daim ntawv thov kev tshawb fawb, thiab tsim ib tug paub tab txhawb technical system integrating kev npaj thiab tsim, xaiv cov kav dej thiab fittings, kev tsim kho technology thiab kev tswj xyuas kev ua haujlwm.
Mos thyristor system
Cov mos mos thyristor yog ua los ntawm cov yas, roj hmab los yog canvas thiab lwm yam ntaub ntawv. Nws muaj qhov zoo ntawm tus nqi qis thiab daim ntawv thov yooj yim, tab sis nws cov kev pab cuam lub neej yog luv luv.
Hard thyristor system
Cov thyristors nyuaj yog ua los ntawm PVC los yog txhuas kav, nruab nrog ceev pob qij txha, thiab tuaj yeem sib sau ua ke hauv thaj teb raws li cov xwm txheej furrow. Piv nrog rau cov mos thyristor system, kev pab cuam lub neej ntev, tab sis tus nqi kuj yog siab heev.
Post lub sij hawm: Sep-23-2022
