Kodi Valavu ya Chipata cha Mpeni ndi Chiyani?

Mu makina owongolera madzi a mafakitale, mavavu ndi zinthu zofunika kwambiri zomwe zimayendetsa kayendedwe ka zinthu zoulutsira mawu ndikuwonetsetsa kuti mapaipi ali olimba. Monga njira yofunika kwambiri ya mavavu apadera a chipata,Valavu ya Chipata cha MpeniYapangidwira makamaka zinthu zovuta monga matope, zinthu zolimba, ndi zamadzimadzi za ulusi. Imagwiritsidwa ntchito kwambiri poteteza chilengedwe, migodi, mankhwala, kupanga magetsi, ndi mafakitale ena. Akatswiri ambiri nthawi zambiri amasokoneza ma valve a zipata za mpeni ndi ma valve wamba a zipata za wedge, koma amasiyana kwambiri mu kapangidwe kake, magwiridwe antchito, ndi kagwiritsidwe ntchito. Nkhaniyi ikupereka chithunzithunzi chokwanira cha tanthauzo la valavu ya zipata za mpeni, zigawo zake zazikulu, magulu, zabwino ndi zoyipa, mikhalidwe yoyenera yogwirira ntchito, komanso kusiyana komveka bwino ndi ma valve wamba a zipata—kukuthandizani kupanga zisankho zodziwa bwino ntchito zanu.

1. Kodi Valavu ya Chipata cha Mpeni N'chiyani?

Valavu ya chipata cha mpeni—yomwe imadziwikanso kuti chipata cha mpeni, valavu ya mpeni, kapena valavu ya chipata chosungunuka—ndi valavu yoyima yolunjika, yoyendetsedwa ndi manja, mozungulira, kapena ndi magetsi. Ndi mtundu wapadera wa mavalavu a chipata. Mfundo yake yogwirira ntchito ndi yosavuta: chipata chooneka ngati mpeni chimayenda molunjika, molunjika ku njira yoyendera. Mphepete yakuthwa yopindika pansi pa chipata imadula ulusi, ma floc, zipolopolo zolimba, ndi zolumikizira zokhuthala mkati mwa payipi, zomwe zimapangitsa kuti pakhale malo otseguka kapena otsekedwa bwino.

Poyerekeza ndi ma valve achizolowezi, chinthu chodziwika bwino cha valavu ya chipata cha mpeni ndi kapangidwe kake kopyapyala kwambiri, kofanana ndi mpeni. Thupi la valavu lili ndi njira yolunjika, yopanda zopinga. Chipata chikatsegulidwa bwino, chimabwerera m'mbuyo kwathunthu kuchokera ku njira yoyendera, zomwe zimapangitsa kuti pasakhale kukana kuyenda kwa madzi. Kapangidwe kameneka kamathetsa mavuto omwe amapezeka m'ma valve wamba akamagwira ntchito ndi zinthu zodetsedwa, zodzaza ndi tinthu tating'onoting'ono—monga kutsekeka, kutseka bwino, ndi kumamatira. Mu nyengo zovuta, valavu ya chipata cha mpeni ndiyo njira yabwino kwambiri yozimitsira zinthu.

2. Zigawo ndi Ntchito Zofunika Kwambiri

Valavu ya chipata cha mpeni ili ndi kapangidwe kakang'ono komanso kogwirizana kwambiri. Chigawo chilichonse chimagwira ntchito bwino poonetsetsa kuti chitseko chikugwira ntchito bwino, kukhazikika kwa ntchito, komanso nthawi yogwira ntchito.

2.1 Thupi la Vavu

Kapangidwe kake kamene kali ndi katundu, nthawi zambiri kamapangidwa ndi zinthu monga chitsulo chosungunuka, chitsulo cha kaboni, kapena chitsulo chosapanga dzimbiri. Njira yolowera mkati mwake ilibe malo obisika kapena malo akufa, zomwe zimaletsa zinyalala kuti zisamangidwe ndi kumamatira. Thupi limapirira kupanikizika kwa media, limalumikizana ndi mapaipi, ndipo limapereka chithandizo cha chipata ndi zomatira.

2.2 Chipata cha Mpeni

Iyi ndi gawo lodziwika bwino la valavu ya chipata cha mpeni—chinthu chomwe chimasiyanitsa ndi mavalavu onse wamba a chipata. Chipatacho ndi chopyapyala koma cholimba, chokhala ndi m'mphepete wakuthwa wopindika. Pamwamba pake pamapukutidwa ndi kuuma kuti asawonongeke kapena kukanda. Potsegula ndi kutseka, tsambalo limadula pakati pa zamkati, matope, matope, ulusi, ndi zonyansa zina, kuteteza kukulunga kapena kusonkhanitsa, kuonetsetsa kuti sizimatsekedwa bwino komanso kuti zigwire ntchito bwino.

2.3 Zigawo Zotsekera

Zimaphatikizapo zisindikizo za mipando ndi zisindikizo zopakira, zogawidwa m'mitundu yofewa yotseka ndi yotseka yachitsulo. Zisindikizo zofewa zimagwiritsa ntchito rabara kapena polyurethane kuti zikhale zolimba bwino komanso kuti zisatuluke, zoyenera kutsuka kutentha kochepa, kotsika mphamvu kapena kopanda madzi. Zisindikizo zachitsulo zimagwiritsa ntchito chitsulo chosapanga dzimbiri kapena zinthu zina zoyeretsera kuti ziteteze kutentha kwambiri, kupanikizika kwambiri, komanso kukana kukwawa kwambiri. Zisindikizo zopakira kuzungulira tsinde zimateteza kutuluka kwa madzi akunja.

2.4 Tsinde

Yopangidwa ndi chitsulo chosapanga dzimbiri champhamvu kwambiri chokhala ndi mphamvu yokoka, kukana dzimbiri, komanso mphamvu zoletsa kugwedezeka. Mbali yakumtunda imalumikizana ndi choyeretsera, ndipo mbali yakumunsi imalumikizana ndi chipata. Imatumiza mphamvu yoyendetsera yamanja, yampweya, kapena yamagetsi kupita ku chipata kuti chiwongolere bwino kukweza.

2.5 Choyezera

Gwero lamagetsi. Mitundu yodziwika bwino: yamanja (yosavuta, yotsika mtengo, ya mainchesi ang'onoang'ono komanso yosagwiritsidwa ntchito kawirikawiri), yoyendetsedwa ndi mpweya (yotsegula/kutseka mwachangu, yosaphulika, yoyenera malo okhala ndi mankhwala ndi fumbi), yamagetsi (yowongolera kutali yokha ya mapaipi akuluakulu komanso yogwiritsidwa ntchito pafupipafupi), ndi yamadzimadzi (yamphamvu kwambiri ya mainchesi akuluakulu komanso yogwira ntchito molimbika).

2.6 Gland ndi Bracket

Chigobacho chimakanikiza chisindikizo chopakira kuti chisatuluke. Chimateteza chogwirira ntchito ndi tsinde, kuonetsetsa kuti zikuyenda molunjika popanda kupotoka kapena kumamatira, zomwe zimapangitsa kuti ntchito ikhale yolimba.

3. Kugawa Mwatsatanetsatane Ma Vavu a Chipata cha Mpeni

Ma valve a zipata za mpeni amabwera m'mitundu yosiyanasiyana, makamaka m'magulu potengera kapangidwe ka kutseka, njira yoyendetsera, ndi kalembedwe ka kapangidwe kake.

3.1 Ndi Mtundu Wosindikiza

Valavu Yofewa Yotsekera Mpeni: Imagwiritsa ntchito rabara, polyurethane, kapena PTFE kuti igwirizane bwino komanso kuti isatuluke. Kuchuluka kwa kupanikizika ≤PN16, malire a kutentha pang'ono. Yabwino kwambiri pakugwiritsa ntchito kutentha kochepa, kotsika monga zimbudzi, matope, ndi matope opepuka owononga okhala ndi zinthu zolimba. Yotsika mtengo komanso yogwiritsidwa ntchito kwambiri.

Valavu ya Chipata cha Mpeni Wokhala ndi ZitsuloChipata ndi mpando ndi zitsulo zopangidwa ndi aloyi zolumikizidwa bwino. Zimapirira kutentha kwambiri (mpaka 400°C+), kupsinjika kwakukulu, komanso kusweka kwambiri. Kutseka sikuli kolimba pang'ono poyerekeza ndi zomatira zofewa. Zabwino kwambiri pa matope otentha, ufa wa malasha, ndi madzi a phulusa otentha kwambiri m'malo ovuta.

Valavu ya Chipata cha Mpeni Wokhala ndi Polyurethane:Njira yoyendetsera madzi ya valavu yolowera m'mipeni ili ndi zinthu zopangidwa ndi polyurethane, zomwe sizimawonongeka kuposa mavalavu wamba olowera m'mipeni ndipo ndizoyenera kwambiri pazinthu monga matope ndi zinyalala.

3.2 Ndi Mtundu wa Actuation

Buku,mpweya, magetsi, ma hydraulic, komanso nthawi zina magiya oyendetsedwa ndi magetsi, kutengera kuchuluka kwa ntchito, kukula kwa valavu, ndi zosowa zodzichitira zokha.

3.3 Ndi Kalembedwe ka Kapangidwe

Chokulungira-Mtundu wa Mpeni Chipata Vavu: Yopapatiza, yopepuka, yosavuta kuyiyika. Yomangika pakati pa ma flange, imasunga malo. Yoyenera mapaipi ang'onoang'ono mpaka apakati.

Valavu ya Chipata cha Mpeni (Yokhala ndi Flanged): Malekezero opindika olumikizidwa ku mapaipi. Kapangidwe kolimba, mphamvu yothamanga kwambiri, yolimba kugwedezeka. Yoyenera mizere yayikulu, yothamanga kwambiri, komanso yolemera yamafakitale.

Tsinde Lokwera vs. Tsinde Losakwera: Tsinde lokwera limalola kuwonetsa malo owoneka bwino ndipo limaletsa kusonkhanitsa zinyalala; tsinde losakwera ndi laling'ono kwambiri pamalo omangika movutikira.

4. Ubwino ndi Kuipa

4.1 Ubwino Wofunika Kwambiri

Kusinthasintha kwapamwamba kwa media komanso kukana kutsekeka: Tsamba lodulira limathandiza mosavuta ulusi, ma floc, zinthu zolimba, ndi slurry zokhuthala—kuthetsa mavuto otsekeka ndi kutseka bwino kwa ma valve wamba.

Kukana kuyenda bwino kwa madzi, kugwiritsa ntchito mphamvu moyenera: Chipatacho chimatseguka bwino, ndipo chimabwerera m'mbuyo, kusiya njira yowongoka yopanda kukana konse komanso palibe kutsika kwa mphamvu. Ndibwino kwambiri pa mapaipi oyenda madzi ambiri.

Kapangidwe kosavuta, kukonza kosavuta: Yopepuka, zigawo zochepa, imasweka mwachangu, imalephera kugwira ntchito bwino, imachepetsa ndalama zogwirira ntchito.

Kugwira ntchito mwachangu, mitundu yosiyanasiyana ya ntchito: Kugunda kwakanthawi, kuyankha mwachangu. Ndi zipangizo zosiyanasiyana ndi ma actuator, imagwirizana ndi zinthu zachibadwa, kutentha kwambiri, kupanikizika kochepa, kupanikizika kwapakati, kukwiya, komanso kuwononga.

Yotsika mtengo: Pa kukula kofanana ndi kupanikizika komweko, mavavu a zipata za mpeni ndi otsika mtengo kwambiri kuposa mavavu wamba a zipata kapena ma globe, zomwe zimapangitsa kuti akhale othandiza pa mizere ikuluikulu yamafakitale.

4.2 Zoyipa

Palibe malamulo oyendetsera kayendedwe ka madzi: Valavu imagwira ntchito yotseguka kapena yotsekedwa bwino yokha. Siingathe kusintha kayendedwe ka madzi kapena kupanikizika.

Kutseka malire mu malo oyeretsera opanikizika kwambiriPoyerekeza ndi ma valve olondola a chipata cha wedge, kulondola kotseka ndikochepa mu ntchito zoyera komanso zopanikiza kwambiri. Sikoyenera kugwiritsa ntchito madzi oyeretsa molondola kwambiri komanso opanikiza kwambiri.

Kuvala chifukwa chokwera njinga pafupipafupi: Tsamba lodula pakati pa zolimba limawonongeka pang'onopang'ono. Pambuyo pogwiritsidwa ntchito kwambiri kwa nthawi yayitali, zomangira kapena chipata zingafunike kusinthidwa kapena kukonzedwa.

5. Ntchito Zachizolowezi ndi Makampani

Ma valve a mpeni ndi abwino kwambiri potseka zinthu zolimba, zokhuthala, zokhuthala, komanso zodetsedwa. Pewani kuwagwiritsa ntchito ngati madzi oyera kapena owongolera molondola. Ntchito zazikulu ndi izi:

5.1 Kukonza Madzi Otayidwa (Ofala Kwambiri)

Ndi yabwino kwambiri pa zimbudzi za m'matauni, zinyalala zamafakitale, zinyalala, ndi zingwe za matope achilengedwe. Imadula bwino zinthu zolimba ndi zolimba, kuteteza kutsekeka. Imagwiritsidwa ntchito kwambiri m'mapaipi otulutsira zinyalala, otulutsira zinyalala, ndi mapaipi ochotsera zinyalala.

5.2 Migodi ndi Zachitsulo

Amagwiritsidwa ntchito pothira matope a m'nthaka, matope a m'mbuyo, phulusa la zitsulo, ufa wa malasha, ndi matope a slag. Mitundu yokhala ndi zitsulo imatha kupirira kusweka kwambiri komanso kuchuluka kwa zinthu zolimba, zoyenera kugwiritsidwa ntchito pokumba migodi yolemera.

5.3 Zamkati ndi Pepala, Nsalu

Amasamalira makamaka matope a pepala ndi ulusi wa nsalu. Tsambali limadula ulusi, kuthetsa mavuto omangirira ndi kutseka bwino mavavu wamba. Vavu yapadera ya mafakitale awa.

5.4 Kupanga Mankhwala ndi Mphamvu

Mankhwala: matope a mankhwala okhuthala komanso matope owononga pang'ono. Mphamvu: madzi a phulusa, kunyamula ufa wa malasha, ndi mizere ya matope a FGD (flue gas desulfurization). Kutentha kwambiri ndi kukana kuwonongeka kumatsimikizira kuti ntchito ikuyenda bwino.

5.5 Zipangizo Zomangira ndi Chakudya

Dothi la simenti, dothi la lime, ndi dothi lina la zipangizo zomangira; komanso dothi la chakudya lokhuthala komanso mayendedwe a tinthu tating'onoting'ono. Mitundu ya zinthu zaukhondo imakwaniritsa zofunikira pamakampani azakudya.

Sikoyenera: Madzi oyera, gasi, mafuta, kapena zinthu zina zopanda tinthu zomwe zimafuna kuzimitsidwa molondola; kugwiritsa ntchito mphamvu yothamanga kwambiri kapena kutentha kwambiri; mzere uliwonse womwe umafunika kuyenda kosalekeza kapena kulamulira mphamvu.

6. Kusiyana Kwakukulu Pakati pa Valavu ya Chipata cha Mpeni ndi Valavu ya Chipata cha Wedge

Ngakhale kuti zonsezi ndi za banja la ma valve a chipata ndipo zimagwiritsa ntchito kapangidwe ka chipata chokweza, kapangidwe kake, magwiridwe antchito, ndi momwe amagwiritsidwira ntchito zimasiyana kwambiri.

7. Mapeto

Mwachidule, valavu ya chipata cha mpeni ndi valavu yapadera yozimitsa yomwe imapangidwira zinthu zovuta, zodetsedwa, komanso zokwawa. Kudula kwake kofanana ndi mpeni ndiye phindu lalikulu, kuthetsa mavuto otsekeka ndi kulephera komwe kumavutitsa mavalavu wamba a chipata cha wedge pogwira ntchito ndi matope, zinthu zolimba, ndi zinthu zopyapyala. Vavu ya chipata cha mpeni ili ndi kapangidwe kosavuta, ntchito yachangu, komanso kusinthasintha kwakukulu. Ngakhale kuti singathe kulamulira kayendedwe ka madzi ndipo kutseka kwake molondola m'malo oyera ndi kochepa, sikungasinthidwe m'malo oyeretsera madzi otayira, migodi, zamkati ndi mapepala, mankhwala, ndi mafakitale ena komwe zinthu zopyapyala zimakhala ndi zinthu zolimba, ulusi, kapena zinthu zokhuthala.

Zosankha zenizeni: sankhani ma valve wamba a chipata cha wedge kuti mugwiritse ntchito bwino zinthu zoyera. Pa matope, matope, tinthu tating'onoting'ono, ulusi, ndi zina zomwe zimatsekeka komanso zovuta, muyenera kusankha valavu ya chipata cha mpeni kuti muwonetsetse kuti mapaipi akugwira ntchito kwa nthawi yayitali komanso modalirika.