Ukubaluleka kwamavalvu ekwakhiweni kwamapayipi ubuchwepheshe bokudlulisa amanzi ngamapayipi

Ukubaluleka kwamavalvu ekwakhiweni kwamapayipi ubuchwepheshe bokudlulisa amanzi ngamapayipi

Ezinhlelweni zamapayipi oketshezi, amavalvu ayizici zokulawula indima yazo eyinhloko iwukuhlukanisa amathuluzi nezinhlelo zamapayipi, ukulawula ukugeleza, ukuvimbela ukubuyela emuva, ukulawula nokukhipha ingcindezi. Ngoba uhlelo lwamapayipi lokukhetha i-valve efanele lubaluleke kakhulu, ngakho-ke, ukuqonda izici ze-valve kanye nokukhethwa kwezinyathelo ze-valve kanye nesisekelo nakho kubaluleka. Ukubaluleka kwama-valve ekwakhiweni kwamapayipi..
Ezinhlelweni zamapayipi oketshezi, amavalvu ayizici zokulawula indima yazo eyinhloko iwukuhlukanisa amathuluzi nezinhlelo zamapayipi, ukulawula ukugeleza, ukuvimbela ukubuyela emuva, ukulawula nokukhipha ingcindezi. Ngoba uhlelo lwamapayipi lokukhetha i-valve efanelekile lubaluleke kakhulu, ngakho-ke, ukuqonda izici ze-valve kanye nokukhethwa kwezinyathelo ze-valve kanye nesisekelo nakho kubaluleke kakhulu.
Ukubaluleka kwama-valve ekwakhiweni kwamapayipi
1. Izici zevalvu ngokuvamile ziyizinhlobo ezimbili, izici zesevisi nezici zesakhiwo.
Izici zokusetshenziswa: inquma ukusetshenziswa okuyinhloko kokusebenza kwe-valve kanye nobubanzi bokusetshenziswa, okuyingxenye yezimpawu zokusebenzisa i-valve yilezi: isigaba se-valve (i-valve yesifunda evaliwe, i-valve elawulayo, i-valve yokuphepha, njll.); Uhlobo lomkhiqizo (i-valve yesango, i-globe valve, i-butterfly valve, i-valve yebhola, njll.); Izingxenye eziyinhloko ze-valve (umzimba we-valve, ikhava, isiqu, i-disc, indawo yokuvala) impahla; Imodi yokudlulisa i-valve, njll. Izici zesakhiwo: inquma ukufakwa kwe-valve, ukukhanda, ukugcinwa, ukugcinwa nezinye izindlela zezinye izici zesakhiwo, ezihambisana nezici zesakhiwo yilezi: ubude besakhiwo se-valve kanye nokuphakama okuphelele, nokuxhumeka kwepayipi. ifomu (uxhumano lwe-flange, uxhumano lwentambo, uxhumano lwe-hoop, uxhumano lwentambo yangaphandle, uxhumano lwe-welding end, njll.); Ifomu lokuvala uphawu (faka indandatho, indandatho yentambo, indawo engaphezulu, i-spray welding, umzimba womzimba); Ifomu lesakhiwo se-valve stem (induku ejikelezayo, induku yokuphakamisa), njll.
2. Izinyathelo kanye nesisekelo sokukhetha ama-valve zimi kanje:
⑴ Izinyathelo zokukhetha
I-valve ecacile ekusetshenzisweni kwemishini noma idivayisi, nquma izimo zokusebenza ze-valve: i-medium esebenzayo, ingcindezi yokusebenza, izinga lokushisa lokusebenza nokunye.
(2) Thola usayizi wegama kanye nendlela yokuxhuma yepayipi exhuma ne-valve: i-flange, intambo, i-welding, njll.
(3) Nquma indlela yokusebenza kwevalvu: imanuwali, kagesi, i-electromagnetic, i-pneumatic noma i-hydraulic, ukuxhumana kukagesi noma ukuxhumana kwe-electro-hydraulic.
④ Ngokusho kwendlela yokudlulisa ipayipi, ingcindezi yokusebenza, izinga lokushisa elisebenzayo ukuze kunqunywe igobolondo le-valve elikhethiwe kanye nezingxenye zangaphakathi zezinto: insimbi empunga, insimbi ethambile ethambile, insimbi ye-carbon, insimbi ye-alloy, insimbi engagqwali engamelana ne-asidi, ithusi. ingxubevange, njll.
⑤ Khetha uhlobo lwe-valve: i-valve yesiyingi evaliwe, i-valve elawulayo, i-valve yokuphepha, njll.
⑥ Thola uhlobo lwe-valve: i-valve yesango, i-valve yembulunga, i-valve yebhola, i-butterfly valve, i-throttle valve, i-valve yokuphepha, i-valve yokunciphisa ingcindezi, i-steam trap, njll.
Nquma imingcele ye-valve: ye-valve othomathikhi, ngokuya ngezidingo ezihlukene zokunquma ukumelana nokugeleza, umthamo wokukhipha, ukucindezela emuva, bese unquma ububanzi obuncane bepayipi kanye nobubanzi bembobo yesihlalo.
⑧ ukunquma imingcele yejiyomethri ekhethiwe ye-valve: ubude besakhiwo, ifomu lokuxhumeka kwe-flange nosayizi, vula futhi uvale ngemva kokuqondisa kokuphakama kwe-valve yobukhulu, uxhumano losayizi wembobo ye-bolt nenombolo, ubukhulu bomumo we-valve wonke.
⑨ Sebenzisa ulwazi olutholakalayo: ikhathalogi yomkhiqizo we-valve, amasampula omkhiqizo we-valve, njll., ukuze ukhethe imikhiqizo efanelekile yamavalvu.
Isisekelo sokukhetha i-valve
(1) ukusetshenziswa kwe-valve ekhethiwe, izimo zokusebenza kanye nemodi yokulawula.
(2) Ubunjalo bendawo yokusebenza: ingcindezi yokusebenza, izinga lokushisa lokusebenza, ukusebenza kokugqwala, kungakhathaliseki ukuthi iqukethe izinhlayiya eziqinile, noma ngabe i-medium inobuthi, kungakhathaliseki ukuthi iyavutha, i-explosive medium, i-viscosity ephakathi nokunye.
③ Izidingo zezici ze-valve fluid: ukumelana nokugeleza, umthamo wokukhipha, izici zokugeleza, ibanga lokuvala nokunye.
(4) Usayizi wokufaka kanye nezidingo zosayizi wokubukeka: i-diameter yegama, ukuxhumana nepayipi nosayizi wokuxhuma, usayizi wokubukeka noma umkhawulo wesisindo.
⑤ Izidingo ezengeziwe zokuthembeka kwemikhiqizo yamavalvu, impilo yesevisi kanye nokusebenza kokuvikela ukuqhuma kwamadivayisi kagesi. Ngokusho kokukhethwa okungenhla kwesisekelo se-valve kanye nezinyathelo, ukukhethwa okunengqondo nokulungile kwe-valve kufanele futhi kube ukuqonda okuningiliziwe kwesakhiwo sangaphakathi sezinhlobo ezihlukahlukene zama-valve, ukuze ukwazi ukukhetha ngokukhethekileyo i-valve ukuze wenze ukukhetha okufanele. Ukulawula okuphelele kwepayipi i-valve. Izingxenye zokuvula nokuvala i-valve zilawula ukugeleza kwemidiya epayipini, ukuma kwesiteshi sokugeleza kwe-valve kwenza i-valve ibe nezici ezithile zokugeleza, okufanele zicatshangelwe lapho kukhethwa i-valve efanelekile ukufakwa ohlelweni lwamapayipi.
Okulandelayo yizimiso okufanele zilandelwe lapho kukhethwa ama-valve
(1) I-valve ene-cut-off ne-open medium flow passage i-valve eqondile, ukumelana nokugeleza kuncane, ngokuvamile kukhethwe njenge-valve ene-cut-off ne-open medium. I-valve evalekile eya phansi (i-valve yembulunga, i-plunger valve) ngenxa yendlela yayo yokugeleza ehlukumezayo, ukumelana nokugeleza kuphakeme kunamanye ama-valve, ngakho akhethiwe kancane. Ama-valve avaliwe angasetshenziswa lapho ukumelana nokugeleza okuphezulu kuvunyelwe.
I-valve yokulawula ukugeleza ngokuvamile kulula ukulungisa ukugeleza kwe-valve njengokugeleza kokulawula. Amavalvu OKUVALA abheke phansi (njengamavalvu e-GLOBE) AYIfanele Le Nhloso NGOBA Usayizi WeSIHLALO ULINGANISANA NE-STROKE YOKUVALA. AMAVAVAVA Ajikelezayo (I-PLUG, uvemvane, amavalvu EBHOLA) kanye AMAVAVAVA OMZIMBA AFLEKILEYO (I-PINCH, I-DIAPHRAGM) AYATHOLAKALA NAWO UKULAWULWA OKUTHROTTLING, kodwa NGOKUVAMILE KUPHELA ebangeni elilinganiselwe lama-valve DIAMETERS. I-VALVE yesango Isango elimise okwediski eliya embobeni yesihlalo esiyindilinga ukuze lenze ukunyakaza okuphambene, liseduze kuphela nendawo evaliwe, lingalawula kangcono ukugeleza, ngakho ngokuvamile alisetshenziselwa ukulawula ukugeleza.
⑶ I-valve ene-shunt ehlehlayo ngokwesidingo sokuhlehla i-shunt, le valve ingaba namashaneli amathathu noma ngaphezulu. Ama-valve okuxhuma nebhola afaneleka kakhulu kule njongo, ngakho-ke, ama-valve amaningi asetshenziselwa ukuhlehla nokuphambukisa akhethwa njengenye yala mavalvu. Kodwa-ke, KWEZINYE IZIMO, ezinye IZINHLOBO ZAMAVAVAZI ZINGASE NAZO ZISETSHENZISWA NJENGEZIPHUMZI ZOhambo lokuya emsebenzini, INqobo nje kokuthi AMAVAVA AMABILI noma AMANINGI Axhumeke ngokufanele kwelinye.
⑷ Ivalvu enezinhlayiya ezimisiwe eziphakathi nendawo enezinhlayiya ezimisiwe phakathi nendawo, ** ifaneleka ukusebenzisa izingxenye zokuvala eduze kwendawo yokuvala yevalve eshelelayo enomphumela wokusula. Uma UKUVALA KUME EMVA KWESIHLALO NAPHAMBILI, IZIQINISEKISO INGASE ZIBOSHWE, KHONA LE VALIVU IFANELE KUPHELA IMIDIYA EHLANZEKILE NGOKUQINISEKILE NGAPHANDLE NGAPHANDLE KOKUBA IMALI YOKUVALA IVUMELE UKUTHI IZIHLAYA ZIBOSHWE. Ama-valve ebhola nama-plug valve asula indawo yokuvala ngesikhathi sokuvula nokuvala, ngakho afaneleka ukusetshenziswa kumidiya enezinhlayiya ezimisiwe. Njengamanje, kungakhathaliseki ukuthi kuse-petroleum, embonini yamakhemikhali, noma kwezinye izimboni zesistimu yamapayipi, ukufakwa kwe-valve, imvamisa yokusebenza kanye nesevisi kuyashintsha, ukulawula noma ukuqeda ngisho nokuvuza okuphansi, okokusebenza okubalulekile nokubalulekile yinombolo yamavalvu. Ukulawula okuphelele kwepayipi i-valve, i-valve kuyo yonke imikhakha yesevisi nokusebenza okuthembekile.
Ubuchwepheshe bokudlulisa amanzi ngamapayipi Ukudluliswa kwamanzi ngamapayipi kunezinzuzo zokonga amanzi, ukonga amandla, ukonga umhlaba, isivinini sokudlulisa amanzi ngokushesha, ukuhlinzekwa kwamanzi ngesikhathi, kanye nokusebenza kwemishini yasepulazini endaweni. Ubuchwepheshe bokudluliswa kwamanzi ngamapayipi bungahlukaniswa ngobuchwepheshe bokuhambisa amanzi ngamapayipi anengcindezi ephansi endaweni yokunisela ngenkasa kanye nobuchwepheshe bokuhambisa amanzi ngamapayipi endaweni yokuchelela emiseleni ngokwezimo zomthombo wamanzi.
Ubuchwepheshe bokudlulisa amanzi ngamapayipi anomfutho ophansi endaweni yokunisela amanzi
Indawo yokulethwa kwamapayipi anomfutho ophansi ngamanzi (shaft), inethiwekhi yamapayipi okulethwa kwamanzi kanye nokuphuma kwezingxenye ezintathu  okwamanje yenze uhlelo lobuchwepheshe oluvuthiwe olufanele izimo zezwe laseShayina. Esikhathini esizayo, isihluthulelo sokuthuthukisa ukumisa, ukumisa, ukuhlukaniswa kwemikhiqizo yokufaka amapayipi kanye nokusetshenziswa okusekelayo kwesistimu ye-thyristor yensimu.
Ubuchwepheshe bokudlulisa amanzi ngamapayipi endaweni yokunisela komsele
Uhlelo lokuhlinzeka ngamanzi endaweni yokunisela komsele lunezici zokugeleza okukhulu, amazinga amaningi wesistimu kanye nesimo esiyinkimbinkimbi se-hydraulic. Ukuthandwa nokusetshenziswa kwayo kusesesigabeni sokuhlola e-China, futhi kunamandla amakhulu okuthuthuka. Ngokuzayo, kufanele sithathe ukuthuthukiswa nokukhiqizwa kwamapayipi amakhulu anekhwalithi ephansi njengempumelelo, senze ucwaningo lokuphromotha nokufaka isicelo ngamandla, futhi sakhe uhlelo lobuchwepheshe olusekela oluvuthiwe oluhlanganisa ukuhlela nokuklama, ukukhethwa kwamapayipi nokufakwa, ubuchwepheshe bokwakha kanye nokuphathwa kokusebenza.
Isistimu ye-thyristor ethambile
I-thyristor ethambile yenziwe ngepulasitiki, irabha noma i-canvas nezinye izinto. Inezinzuzo zezindleko eziphansi kanye nesicelo esilula, kodwa impilo yayo yesevisi ifushane.
Isistimu ye-thyristor eqinile
Ama-thyristors aqinile enziwe ngamapayipi e-PVC noma e-aluminium, afakwe amalunga asheshayo, futhi angahlanganiswa ensimini ngokuvumelana nezimo zemisele. Uma kuqhathaniswa nesistimu ye-thyristor ethambile, impilo yesevisi yinde, kodwa izindleko ziphakeme kakhulu.