Valavu Yowunikira Mpira

Kubwerera m'mbuyo ndi vuto lalikulu m'mapaipi. Pampu ikasiya kugwira ntchito, madziwo amabwerera m'mbuyo. Kubwerera m'mbuyo mwadzidzidzi kumatha kuwononga mapampu, mita, komanso mapaipi ophulika. Valavu yowunikira mpira ndi njira yosavuta komanso yodalirika yothetsera vutoli.

Ngati mukufuna valavu yosabwezera madzi, yoyezera mankhwala, kapena yothirira, bukuli likuthandizani kumvetsetsa bwino zomwe valavu yoyezera mpira imachita komanso momwe mungasankhire yoyenera.

Kodi ndi chiyaniValavu Yowunikira Mpira?

Valavu yowunikira mpira imagwiritsa ntchito mpira woyandama kuti ulole kuyenda mbali imodzi ndikutseka mbali ina. Ganizirani izi ngati chitseko cholowera mbali imodzi. Madzi akamayenda patsogolo, amakankhira mpirawo pampando wake. Madzi akaima kapena kuyesa kubwerera m'mbuyo, mpirawo umakakamizika kubwerera pampando, zomwe zimapangitsa kuti ukhale wolimba.

Chofunika kwambiri ndi chiyani? Mpira ndi gawo lokhalo loyenda. Palibe masipuling'i, palibe ma hinges, kapena ma diaphragms. Kusavuta kumeneko kumapangitsa ma valve oyezera mpira kukhala olimba kwambiri.

Kodi Valavu Yoyesera Mpira Imagwira Ntchito Bwanji?

Ndi zophweka. Mkati mwa thupi la valavu muli mpira - nthawi zambiri chitsulo cholimba, chitsulo chosapanga dzimbiri, kapena wokutidwa ndi rabala. Mpirawo umakhala pampando.

- Kuyenda patsogoloKuthamanga kwa madzi kumakweza mpira kuchokera pampando. Mpirawo umagubuduzika pambali, ndipo madziwo amadutsa pakati pa mpirawo ndi thupi.

- Kuyenda mobwerera m'mbuyoKupanikizika kwa kumbuyo kumakankhira mpira kubwerera pampando. Pamene kuyenda kobwerera kumbuyo kukuyetsa kwambiri, mpirawo umatseka mwamphamvu.

Mapangidwe ena amagwiritsa ntchito nthiti zotsogolera kapena chipinda mkati mwa thupi kuti mpira ukhale pakati ndikuyenda bwino.

Ubwino Waukulu wa Ma Valves Oyesera Mpira

Poyerekeza ndi ma valve oyesera swing kapena ma valve oyesera lift, ma valve oyesera mpira amapereka maubwino angapo othandiza:

1. Kusindikiza bwino kwambiri, kutayikira kochepa

Mpirawo umakhudza mpando motsatira mzere kapena mphete yopapatiza. Malo onse awiri akamalizidwa bwino, mumataya madzi pafupifupi zero. Ma valve oyesera kusambira nthawi zambiri amatuluka zinyalala zikamamatirira pansi pa diski - si vuto pano.

2. Wolekerera zinthu zonyansa

Mpirawo umazungulira ndi kuzungulira pamene madzi akuyenda. Kuzungulirako kumakonda kugwetsa tinthu ting'onoting'ono. Pa madzi otayira kapena madzi ozungulira okhala ndi zinthu zina zolimba, ma valve oyezera mpira ndi abwino kwambiri kuposa mapangidwe ena ambiri.

3. Kutsika kwa kuthamanga kwa magazi

Mpirawo ukatsegulidwa bwino, umakhala kutali ndi njira yolowera madzi. Bowo lake ndi lalikulu kwambiri, kotero kutayika kwa mphamvu kumakhala kochepa kwambiri poyerekeza ndi ma valve oyezera kukweza.

4. Imagwira ntchito mopingasa, komanso molunjika (mosamala)

Valavu yodziwika bwino yoyezera mpira yoyandama ndi ya mizere yopingasa. Koma pali mitundu yothandizira masika yomwe ingagwiritsidwe ntchito poyendetsa madzi molunjika kupita mmwamba. Zambiri zidzachitika mtsogolo.

5. Zosavuta kusamalira

Chotsani chivundikirocho, tulutsani mpirawo, pukutani bwino, yang'anani mpandowo - ndi umenewo. Munthu m'modzi akhoza kuchita izi mu mphindi khumi.

Zipangizo Zofala ndi Madzi Omwe Amagwiritsira Ntchito

Kusankha zinthu zoyenera kumabweretsa kusiyana kwakukulu. Nazi njira zodziwika bwino zomwe zimagwiritsidwa ntchito m'munda:

Malangizo enieniNgati chotchingira chanu chili ndi zinthu zokhala ndi ulusi - monga zamkati za pepala kapena ulusi wa nsalu - mpirawo ukhoza kukulungidwa. Ngati zili choncho, musagwiritse ntchito valavu yowunikira mpira. Gwiritsani ntchito valavu yolowera ndi mpeni kapena valavu yowunikira duckbill. Mavalavu owunikira mpira amagwira ntchito bwino ndi zinthu zolimba zozungulira kapena zozungulira.

Ntchito Zachizolowezi (Kumene Mudzazipeza)

- Njira zoyeretsera madzi ndi kupereka madzi- Mapampu otulutsira madzi kuti asawonongedwe ndi nyundo ya madzi.

- Kuthirira ndi ulimi– Malo opopera madzi m'munda. Malo otsika mtengo, olimba, komanso mchenga sadzawapha mosavuta.

- Mlingo wa mankhwala- Kuyeza kutulutsa kwa pampu. Kumagwira ntchito ndi valavu yotsekereza kumbuyo kuti isabwerere m'mbuyo m'matanki a mankhwala.

- Chakudya ndi zakumwa– Mitundu yachitsulo chosapanga dzimbiri. Yoyenera kugwiritsa ntchito mizere yobwerera ya CIP.

- Zam'madzi ndi za m'mphepete mwa nyanja- Mizere ya ballast, makina ozungulira. Imalimbana ndi dzimbiri la madzi a m'nyanja.

- Kuchiza madzi otayira– Mizere ya matope ochokera ku zowunikira zazikulu, mizere ya mpweya ya zoyatsira mpweya (gwiritsani ntchito mpira wokutidwa ndi rabara).

Momwe Mungasankhire Valavu Yoyenera Yoyezera Mpira - Mafunso Asanu

Musanagule, dzifunseni mafunso awa:

1. Kodi zophimbazo zili ndi tinthu tating'onoting'ono kapena ulusi waukulu?

Ulusi → Pewani ma valve oyezera mpira. Tinthu tolimba (mchenga, slag yowotcherera) → tosalala, koma ikani chotsukira Y pamwamba.

2. Kukhazikitsa mopingasa kapena mopingasa?

Yopingasa → mtundu wamba woyandama womasuka. Yopingasa yokhala ndi madzi oyenda mmwamba → mufunika chitsanzo chothandizidwa ndi kasupe (ena amachitcha kuti valavu yoyimirira yoyezera mpira).

3. Kodi kutentha ndi kuthamanga kwa mpweya ndi kotani?

Madzi oyera pansi pa 80°C (176°F) → thupi lachitsulo lopangidwa ndi mpira wokutidwa ndi rabara. Kutentha kwambiri (kupitirira 150°C / 302°F) → chitsulo chosapanga dzimbiri chonse chokhala ndi mpira wokhala ndi chitsulo.

4. Kukwera njinga pafupipafupi?

Ngati valavu itsegulidwa ndi kutsekedwa kambirimbiri pa ola limodzi, mpira ndi mpando zidzatha msanga. Kuti mugwiritse ntchito bwino njinga, ganizirani valavu yoyang'anira chete kapena valavu yoyang'anira yokhala ndi kasupe.

5. Kukula kwake ndi kotani?

Ma valve oyezera mpira nthawi zambiri amapangidwa mpaka DN300 (mainchesi 12). Mpirawo ukakhala waukulu kuposa pamenepo, umakhala wolemera kwambiri kuti usatsekedwe bwino.

Kukhazikitsa ndi Kusamalira - Musapange Zolakwa Izi

Malangizo Okhazikitsa

- Tsatirani muvi woyenda– Imaponyedwa m'thupi. Ikayikidwa kumbuyo ndipo mulibe ntchito yowunikira konse.

- Mzere wopingasa? Chivundikiro chikukwera mmwamba– Mpira umafunika mphamvu yokoka kuti ubwerere pampando. Ngati muukweza pansi, mpirawo udzagwa kuchoka pampando ndikutuluka madzi.

- Osayimangirira mwachindunji ku chotulutsira madzi chopopera madzi– Siyani chitoliro cholunjika (osachepera mainchesi 5 a chitoliro) pakati pa pampu ndi valavu. Kugwedezeka komwe kuli pampu kungapangitse mpira kudumphadumpha ndikuwonongeka mwachangu.

- Maulalo olumikizidwa– Mukagwiritsa ntchito tepi ya PTFE, musalole kuti ma tape shreds alowe mkati. Ma shreds amenewo akhoza kuphwanya mpira.

Kukonza Zinthu Mwachizolowezi

Ma valve oyezera mpira sagwira ntchito bwino. Koma samalani ndi zizindikiro izi zosonyeza kuti pali vuto:

- Phokoso lopitirira "kugwedezeka" pampu ikasiya kugwira ntchito

- Kutsika kwa pressure gauge kumatsika pang'onopang'ono

- Phokoso logogoda lachitsulo lomveka bwino

Momwe mungayang'anire ndi kuyeretsa:

1. Chepetsani mpweya ndikutulutsa madzi mumzere.

2. Chotsani mabotolo ophimba. Chotsani mpirawo ndi chisindikizo cha mpando.

3. Yang'anani pamwamba pa mpirawo ngati pali mabowo, mikwingwirima, kapena kuwonongeka kosagwirizana.

4. Yang'anani malo otsekera mpando kuti muwone ngati pali mipata.

5. Tsukani chilichonse. Kuvala mipando pang'ono kumatha kulumikizidwa. Ngati mipandoyo yawonongeka kwambiri, sinthani mpando ndi mpira.

6. Chidziwitso pa ma valve otsika mtengo: ambiri amagwiritsa ntchito mipira yachitsulo chosapanga dzimbiri yopanda kanthu. Pakapita nthawi, imatha kuwonongeka kuchokera mkati ndiGwiritsani ntchito mipira yolimba kapena mipira yokutidwa ndi rabara ngati n'kotheka.

Mafunso Ofunsidwa Kawirikawiri (Mafunso Ofunsidwa Kawirikawiri)

Q: Kodi valavu yoyezera mpira ingayikidwe moyimirira?

Yankho: Mtundu wamba woyandama ndi wa mizere yopingasa yokha. Pa mizere yoyima yomwe imapita mmwamba, muyenera kugwiritsa ntchito valavu yoyang'anira mpira yoyendetsedwa ndi spring-assisted vertical ball check valve. Kupanda kutero, mpirawo udzangogwera pampando ndipo sudzatsegulidwa.

Q: Kodi imaletsa nyundo yamadzi?

Yankho: Ayi. Valavu yoyesera mpira imatseka mofulumira, zomwe zingapangitse nyundo yaying'ono yamadzi. Ngati muli ndi payipi yayitali yokhala ndi liwiro lalikulu la madzi, ganizirani valavu yoyesera yotseka pang'onopang'ono kapena ikani choletsa nyundo yamadzi.

Q: Mpira wokutidwa ndi rabala poyerekeza ndi mpira wachitsulo chosapanga dzimbiri - ndi uti wabwino kuposa wina?

Yankho: Zimadalira madzi. Madzi oyera kapena zimbudzi → mpira wokutidwa ndi rabala umapereka kutseka bwino ndipo umawononga ndalama zochepa. Kutentha kwambiri, mafuta, kapena mankhwala → chitsulo chosapanga dzimbiri chonse. Musagwiritse ntchito mipira yokutidwa ndi rabala yokhala ndi zosungunulira kapena nthunzi yotentha.

Q: N’chifukwa chiyani valavu yanga yoyezera mpira ikutuluka patatha miyezi isanu ndi umodzi yokha?

Yankho: Kutha kuwonongeka chifukwa cha tinthu tolimba m'malo olumikizirana - mchenga, dzimbiri, kapena mamba. Mpira ndi mpando zimawonongeka. Yankho: ikani chotsukira pamwamba pa madzi, kapena sinthani ku chinthu cholimba cha mpando (stellite kapena ceramic).

Q: Kodi kupanikizika kochepa kwambiri kwa ming'alu ndi kotani?

A: Pa valavu yowunikira mpira yoyandama momasuka, nthawi zambiri imakhala 0.005 – 0.03 MPa (pafupifupi 0.05 – 0.3 bar). Imeneyi ndi pafupifupi mamita 0.5 mpaka 3 a madzi. Pa makina oyendera mphamvu yokoka, n'zosavuta kuchita zimenezo.

Vavu yoyesera mpira si yaukadaulo wapamwamba. Koma ndi yodalirika, yotsika mtengo, komanso yosavuta kukonza. Ichi ndichifukwa chake mainjiniya ambiri amaisankha kuti igwiritsidwe ntchito pa madzi oyera, zimbudzi, komanso mankhwala ochepetsa mphamvu. Pezani zinthu zitatu zoyenera - mtundu wa media (wopanda ulusi), momwe imayikidwira, komanso momwe zinthu zikuyendera - ndipo valavu yoyesera mpira idzakhalapo kwa zaka zisanu mpaka khumi.

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Ngati muli ndi ntchito inayake (kukula, madzi, kutentha, kuthamanga) ndipo simukudziwa ngati valavu yowunikira mpira ndiyo njira yoyenera, fotokozani momwe mapaipi anu alili.kulumikizanaDipatimenti yathu ya Ukadaulo ndi Malonda.

Zipangizo za Newsway Valve Zopangidwa ndi Opanga

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