Thevalavundi gawo lowongolera mu dongosolo loperekera madzi, lomwe lili ndi ntchito monga kudula, kusintha, kusinthasintha kwa kayendedwe ka madzi, kupewa kuyenda mobwerera m'mbuyo, kukhazikika kwa kuthamanga, kusinthasintha kwa kayendedwe ka madzi kapena kuchepetsa kuthamanga kwa madzi. Ma valve omwe amagwiritsidwa ntchito mu machitidwe owongolera madzi amachokera ku ma valve osavuta odulira mpaka ma valve osiyanasiyana omwe amagwiritsidwa ntchito mu machitidwe owongolera okhazikika ovuta kwambiri, okhala ndi mitundu yosiyanasiyana ndi zofunikira. Ma valve angagwiritsidwe ntchito kuwongolera kuyenda kwa mitundu yosiyanasiyana yamadzi monga mpweya, madzi, nthunzi, zinthu zosiyanasiyana zowononga, matope, mafuta, zitsulo zamadzimadzi ndi zinthu zotulutsa ma radioactive. Ma valve amagawidwanso m'ma valve achitsulo choponyedwa, ma valve achitsulo choponyedwa, ma valve achitsulo chosapanga dzimbiri, ma valve achitsulo a chrome molybdenum, ma valve achitsulo a chrome molybdenum vanadium, ma valve achitsulo a duplex, ma valve apulasitiki, ma valve osakhala achizolowezi ndi zipangizo zina za valve malinga ndi zinthuzo. Ndi zofunikira ziti zaukadaulo zomwe ziyenera kuganiziridwa pogula ma valve
1. Mafotokozedwe a ma valavu ndi magulu ayenera kukwaniritsa zofunikira za zikalata zopangira mapaipi
1.1 Chitsanzo cha valavu chiyenera kusonyeza zofunikira pakuwerengera manambala a muyezo wa dziko. Ngati ndi muyezo wa bizinesi, kufotokozera koyenera kwa chitsanzocho kuyenera kufotokozedwa.
1.2 Kupanikizika kwa ntchito kwa valavu kumafuna≥mphamvu yogwira ntchito ya payipi. Poganizira kuti sizikhudza mtengo, mphamvu yogwira ntchito yomwe valavu imatha kupirira iyenera kukhala yayikulu kuposa mphamvu yeniyeni yogwira ntchito ya payipi; mbali iliyonse ya valavu iyenera kukhala yokhoza kupirira mphamvu yogwira ntchito ya valavu nthawi 1.1 pamene mtengo wake watsekedwa, popanda kutuluka; valavu ikatsegulidwa, thupi la valavu liyenera kukhala lokhoza kupirira zofunikira za mphamvu yogwira ntchito kawiri kuposa valavu.
1.3 Pa miyezo yopangira ma valve, nambala ya muyezo wa dziko lonse iyenera kufotokozedwa. Ngati ndi muyezo wa bizinesi, zikalata za bizinesi ziyenera kulumikizidwa ku mgwirizano wogula
2. Sankhani zinthu za valavu
2.1 Zipangizo za valavu, popeza mapaipi achitsulo chotuwa pang'onopang'ono sakuvomerezedwa, zinthu za thupi la valavu ziyenera kukhala makamaka chitsulo chosungunuka, ndipo deta yoyesera ya kalasi ndi yeniyeni ya kuponyera iyenera kufotokozedwa.
2.2 ThevalavuChitsulo chiyenera kupangidwa ndi chitsulo chosapanga dzimbiri cha valavu (2CR13), ndipo chitsulo chachikulu cha m'mimba mwake chiyeneranso kukhala chitsulo cha valavu choikidwa mu chitsulo chosapanga dzimbiri.
2.3 Zipangizo za mtedza ndi zitsulo zotayidwa kapena zitsulo zotayidwa, ndipo kuuma kwake ndi mphamvu zake n'zokulirapo kuposa za tsinde la valavu.
2.4 Zipangizo za tsinde la valve siziyenera kukhala zolimba komanso zolimba kuposa za tsinde la valve, ndipo siziyenera kupanga dzimbiri la electrochemical ndi tsinde la valve ndi thupi la valve pansi pa madzi.
2.5 Zinthu zomwe zili pamwamba pa kutseka①Pali mitundu yosiyanasiyana yamavavu, njira zosiyanasiyana zotsekera ndi zofunikira pazinthu;②Ma valve wamba a chipata cha wedge, zipangizo, njira yokonzera, ndi njira yopera mphete yamkuwa ziyenera kufotokozedwa;③Ma valve otsekedwa bwino, zinthu zomangira mphira za mbale ya valve. Deta yoyesera thupi, mankhwala ndi ukhondo;④Ma valve a gulugufe ayenera kusonyeza zinthu zomwe zili pamwamba pa valavu ndi zinthu zomwe zili pamwamba pa valavu; deta yawo yoyesera thupi ndi mankhwala, makamaka zofunikira zaukhondo, magwiridwe antchito oletsa kukalamba komanso kukana kuwonongeka kwa gulavu; rabala ya maso ndi rabala ya EPDM, ndi zina zotero, ndizoletsedwa kusakaniza rabala yobwezeretsedwa.
2.6 Kulongedza kwa shaft ya valavu①Popeza ma valve omwe ali mu netiweki ya mapaipi nthawi zambiri amatsegulidwa ndi kutsekedwa kawirikawiri, kulongedzako kumafunika kuti kusakhale kogwira ntchito kwa zaka zingapo, ndipo kulongedzako sikudzakalamba, kuti kusunge mphamvu yotseka kwa nthawi yayitali;②Kulongedza kwa shaft ya valavu kuyeneranso kupirira kutsegulidwa ndi kutsekedwa pafupipafupi, zotsatira zake zotseka ndizabwino;③Poganizira zofunikira zomwe zili pamwambapa, kulongedza shaft ya valve sikuyenera kusinthidwa kwa moyo wonse kapena zaka zoposa khumi;④Ngati kulongedza kukufunika kusinthidwa, kapangidwe ka valavu kayenera kuganizira njira zomwe zingasinthidwe ngati madzi akuthamanga.
3. Bokosi lotumizira liwiro losinthasintha
3.1 Zinthu zomwe zili m'bokosilo ndi zofunikira zamkati ndi zakunja zotsutsana ndi dzimbiri zimagwirizana ndi mfundo ya thupi la valavu.
3.2 Bokosilo liyenera kukhala ndi miyeso yotsekera, ndipo bokosilo likhoza kupirira kumizidwa m'madzi kwa mamita atatu mutasonkhanitsa.
3.3 Pa chipangizo chotsegulira ndi kutseka chomwe chili pa bokosi, nati yosinthira iyenera kukhala m'bokosi.
3.4 Kapangidwe ka kapangidwe ka magiya ndi koyenera. Potsegula ndi kutseka, kamangoyendetsa shaft ya valavu kuti izungulire popanda kuipangitsa kuti isunthire mmwamba ndi pansi.
3.5 Bokosi losinthira liwiro losinthasintha ndi chisindikizo cha shaft ya valavu sizingalumikizidwe mu chopanda kutayikira.
3.6 Palibe zinyalala m'bokosi, ndipo zida zolumikizira magiya ziyenera kutetezedwa ndi mafuta.
4.Valavunjira yogwirira ntchito
4.1 Njira yotsegulira ndi kutsekera kwa ntchito ya valavu iyenera kutsekedwa motsatira wotchi.
4.2 Popeza ma valve omwe ali mu netiweki ya mapaipi nthawi zambiri amatsegulidwa ndi kutsekedwa ndi manja, chiwerengero cha ma revolutions otsegulira ndi otseka sichiyenera kukhala chochuluka kwambiri, ngakhale ma valve akuluakulu ayeneranso kukhala mkati mwa ma revolutions 200-600.
4.3 Kuti munthu m'modzi athe kutsegula ndi kutseka bwino, mphamvu yayikulu yotsegulira ndi kutseka iyenera kukhala 240m-m pansi pa kukakamizidwa ndi wokonza mapaipi.
4.4 Mapeto a ntchito yotsegulira ndi kutseka ya valavu ayenera kukhala tenon ya sikweya yokhala ndi miyeso yofanana ndipo iyang'ane pansi kuti anthu athe kuigwiritsa ntchito mwachindunji kuchokera pansi. Ma valavu okhala ndi ma disc sali oyenera maukonde a mapaipi apansi panthaka.
4.5 Chiwonetsero cha digiri yotsegulira ndi kutseka ma valve
①Mzere wokulira wa digiri yotsegulira ndi kutseka ya valavu uyenera kuponyedwa pa chivundikiro cha gearbox kapena pa chipolopolo cha bolodi lowonetsera pambuyo poti njira yasinthidwa, zonse zikuyang'ana pansi, ndipo mzere wokulira uyenera kupakidwa utoto ndi ufa wa fluorescent kuti uwonetse kuti ukukopa maso; Ngati uli bwino, mbale yachitsulo chosapanga dzimbiri ingagwiritsidwe ntchito, apo ayi ndi mbale yachitsulo yopakidwa utoto, musagwiritse ntchito khungu la aluminiyamu kuti mupange;③Singano yowunikira ndi yokongola ndipo imakhazikika bwino, ikasintha bwino kutsegula ndi kutseka, iyenera kutsekedwa ndi ma rivets.
4.6 Ngativalavuyabisika kwambiri, ndipo mtunda pakati pa makina ogwiritsira ntchito ndi gulu lowonetsera ndi≥Pa mtunda wa mamita 15 kuchokera pansi, payenera kukhala malo owonjezera ndodo, ndipo ayenera kukhazikika mwamphamvu kuti anthu athe kuwona ndikugwira ntchito kuchokera pansi. Izi zikutanthauza kuti, kutsegula ndi kutseka ma valve mu netiweki ya mapaipi sikoyenera kugwira ntchito pansi pa dzenje.
5. Valavukuyesa magwiridwe antchito
5.1 Pamene valavu imapangidwa m'magulu a mfundo inayake, bungwe lovomerezeka liyenera kupatsidwa ntchito yoyesa magwiridwe antchito awa:①Mphamvu yotsegulira ndi kutseka ya valavu pansi pa mkhalidwe wa kuthamanga kwa ntchito;②Pansi pa mkhalidwe wa kuthamanga kwa ntchito, nthawi yotsegulira ndi kutseka yosalekeza yomwe ingatsimikizire kuti valavu yatsekedwa bwino;③Kuzindikira mphamvu ya kukana kwa madzi mu valavu malinga ndi momwe madzi amaperekedwera paipi.
5.2 Mayeso otsatirawa ayenera kuchitika valavu isanatuluke mufakitale:①Valavu ikatsegulidwa, thupi la vavu liyenera kupirira mayeso amkati a kuthamanga kawiri kuposa kuthamanga kwa ntchito kwa vavu;②Valavu ikatsekedwa, mbali zonse ziwiri ziyenera kunyamula mphamvu yogwira ntchito yokwana nthawi 11 kuposa ya valavu, palibe kutayikira; koma valavu ya gulugufe yotsekedwa ndi chitsulo, mtengo wotayikira si woposa zofunikira zoyenera.
6. Ma valve oletsa dzimbiri mkati ndi kunja
6.1 Mkati ndi kunja kwavalavuBokosi (kuphatikizapo bokosi losinthira liwiro losinthasintha) liyenera kuphulitsidwa kaye kuti lichotse mchenga ndi dzimbiri, ndipo yesetsani kupopera utomoni wa epoxy wopanda poizoni wokhala ndi makulidwe a 0 ~ 3mm kapena kuposerapo. Ngati kuli kovuta kupopera utomoni wa epoxy wopanda poizoni pogwiritsa ntchito magetsi pa ma valve akuluakulu, utoto wofanana wa epoxy wopanda poizoni uyeneranso kupukutidwa ndi kupopera.
6.2 Mkati mwa thupi la valavu ndi ziwalo zonse za mbale ya valavu ziyenera kukhala zotsutsana ndi dzimbiri. Kumbali imodzi, sizingachite dzimbiri zikanyowa m'madzi, ndipo palibe dzimbiri la electrochemical lomwe lidzachitike pakati pa zitsulo ziwirizi; kumbali ina, pamwamba pake ndi posalala kuti pasakhale kukana madzi.
6.3 Zofunikira za ukhondo wa epoxy resin kapena utoto wotsutsana ndi dzimbiri m'thupi la valavu ziyenera kukhala ndi lipoti loyesa kuchokera kwa akuluakulu oyenerera. Kapangidwe ka mankhwala ndi thupi kayeneranso kukwaniritsa zofunikira zoyenera.
7. Kulongedza ndi mayendedwe a ma valavu
7.1 Mbali zonse ziwiri za valavu ziyenera kutsekedwa ndi mbale zotchingira kuwala.
7.2 Ma valve apakati ndi ang'onoang'ono ayenera kumangidwa ndi zingwe za udzu ndikunyamulidwa m'zidebe.
Ma valve akuluakulu a 7.3 amapakidwanso ndi matabwa osavuta kusunga kuti asawonongeke panthawi yoyendera
8. Yang'anani buku la fakitale la valavu
8.1 Valavu ndi zida, ndipo deta yotsatirayi iyenera kufotokozedwa m'buku la fakitale: kufotokozera kwa vavu; chitsanzo; kuthamanga kwa ntchito; muyezo wopanga; zinthu za thupi la vavu; zinthu za tsinde la vavu; zinthu zotsekera; zinthu zopakira shaft ya vavu; zinthu zotchingira tsinde la vavu; Zinthu zotsutsana ndi dzimbiri; njira yoyambira ntchito; kuzungulira; mphamvu yotsegula ndi kutseka pansi pa kuthamanga kwa ntchito;
8.2 Dzina laVavu ya TWSwopanga; tsiku lopangidwa; nambala yotsatizana ya fakitale: kulemera; malo otseguka, chiwerengero cha mabowo, ndi mtunda pakati pa mabowo apakati a cholumikizirachitoliroakuwonetsedwa mu chithunzi; miyeso yowongolera kutalika konse, m'lifupi, ndi kutalika; nthawi yotsegulira ndi kutseka yogwira ntchito; Coefficient yokana kuyenda kwa mavavu; zambiri zoyenera za kuyang'anira mavavu omwe adachitika kale ku fakitale ndi njira zodzitetezera pakuyiyika ndi kukonza, ndi zina zotero.
Nthawi yotumizira: Januwale-12-2023
