Amapayipi amakhemikhali nama-valves ayingxenye ebaluleke kakhulu yokukhiqizwa kwamakhemikhali futhi kukhona ukuxhumana phakathi kwezinhlobo ezahlukahlukene zemishini yamakhemikhali. Zinjani ama-valves ama-5 ajwayelekile emsebenzini wamapayipi wamakhemikhali? Inhloso esemqoka? Ayini amapayipi amakhemikhali nama-fittings ama-valves? (Izinhlobo eziyi-11 zepayipi + Izinhlobo ezingama-4 zokufakelwa + ama-valves ayi-11) Amakhemikhali anamakhemikhali apha amakhemikhali lezi zinto, ukuqonda okugcwele!
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11 ama-valve amakhulu
Idivayisi esetshenziselwa ukulawula ukuhamba koketshezi epayipini ibizwa nge-valve. Izindima zalo eziphambili yilezi:
Vula futhi uvale indima - inqunywe noma uxhumane nokugeleza koketshezi epayipini;
Ukulungiswa - ukulungisa isilinganiso sokugeleza koketshezi epayipini, ukuhamba;
I-Throtting - uketshezi lugeleza nge-valve, okuholela ekwehlisweni okukhulu kwengcindezi.
Ukuhlukaniswa:
Ngokusho kweqhaza le-valve epayipini lihlukile, lingahlukaniswa nge-valve elisikiwe (elaziwa nangokuthi njenge-valve ye-three valve), i-throttle valve), i-thveve valve, hlola i-valve, ama-valve ezokuphepha nokunye;
Ngokwezinhlobo ezahlukene zezinhlobo zama-valves zingahlukaniswa ngama-valves we-Gate, ipulaki (elibizwa ngokuthi i-cocker), ama-valves webhola, ama-valves we-butterfly, ama-valves anamathela nokunye.
Ngaphezu kwalokho, ngokuya ngokukhiqizwa kwezinto ezahlukahlukene ze-valve, futhi ihlukaniswe ngama-valve angenasici, ama-valves wensimbi, ama-valves wensimbi, ama-valves wepulasitiki nokunye.
Ukukhetha okuhlukahlukene kwe-valve kungatholakala kumabhukwana afanele namasampula, kuphela izinhlobo ezivame kakhulu ze-valve ezalethwa lapha.
I-①Globe Valve
Ngenxa yesakhiwo esilula, okulula ukukhiqiza nokugcina, okusetshenziswa kabanzi emaphangeni aphansi naphakathi kwengcindezelo. Ifakwe esiqwini se-valve ngaphansi kwe-valve disc eyindilinga (i-valve head) kanye ne-valve yomzimba we-flange ingxenye (isihlalo se-valve) ukufeza inhloso yokusika ukugeleza koketshezi.
Isiqu se-valve singashintshwa yintambo siphakamise iziqu zokuvula i-valve, dlala indima ethile kwilizomthetho. Ngenxa yomphumela we-catve's cut-off ukuncika ekhanda le-valve kanye nesihlalo sokuxhumana sendiza, asilungele ukusetshenziswa epayipini eliqukethe izinhlayiya eziqinile zoketshezi.
I-valve ye-tlob valve ingasetshenziswa ngokuya ngezimpawu zabezindaba ukukhetha ikhanda le-valve efanele, isihlalo, impahla yegobolondo. Ukusetshenziswa kwe-valve ngenxa yokubekwa uphawu kabi noma ikhanda, isihlalo kanye nezinye izingxenye ze-valve kulimele, ungathatha ummese okhanyayo, ukugaya, ukudonsa kanye nezinye izindlela zokulungisa nokusebenzisa, ukuze kunwetshwe impilo yeseva ye-valve.
②Gate valve
Kuyinto ephelele ekuqondisweni kweMedia Ukugeleza ngepuleti elilodwa noma amabili aphansi, nge-valve umzimba uphawu lokuthola inhloso yokuvalwa. Ipuleti le-valve livuswa ukuvula i-valve.
Ipuleti elisicaba ngokujikeleza kwesiqu se-valve futhi liphakamise, ngosayizi wokuvula wokuthola ukugeleza koketshezi. Lokhu kumelana kwe-valve kuncane, ukusebenza kahle kokubekwa uphawu, ukushintsha okulondolozwa kwabasebenzi, ikakhulukazi i-pipeline enkulu ye-caliber, kepha isakhiwo se-cantve valve siyinkimbinkimbi, izinhlobo eziningi.
Ngokwesakhiwo se-STEM sehlukile, kukhona isiqu esivulekile nesiqu esimnyama; Ngokwesakhiwo se-valve Plate ihlukaniswe ngohlobo lwe-wedge, uhlobo oluhambisanayo nokunye.
Ngokuvamile, ipuleti ye-wedge yohlobo lwe-valve ipuleti le-valve elilodwa, futhi uhlobo oluhambisanayo lusebenzisa amapuleti ama-valve amabili. Uhlobo olufanayo kulula ukukhiqiza kunohlobo lwe-wedge, ukulungiswa okuhle, ukusetshenziswa akulula ekutholeni ukungcola epayipini, ngaphezulu kokuhamba kwamanzi, igesi ehlanzekile, uwoyela namanye amapayipi.
Ama-③plug ama-valves
I-plug yaziwa kakhulu ngokuthi i-cocker, ukusetshenziswa komzimba we-valve ukufaka umgodi ophakathi nendawo nge plug ehambisanayo ukuvula nokuvala ipayipi.
I-plug ngokuya ngamafomu ahlukile wokuvalwa kokuvalwa, ingahlukaniswa nge-plug yokupakisha, ipulaki elivalwe ngoyela futhi akukho ipulaki lokupakisha nokunye. Ukwakheka kwepulaki kulula, ubukhulu bangaphandle obuncane, vula futhi uvale ngokushesha, kulula ukusebenza, ukumelana koketshezi okuncane, okulula ukwenza ukusatshalaliswa kwezindlela ezintathu noma ezine noma ngezindlela ezine.
Ingaphezulu le-plug uphawu likhulu, kulula ukugqoka, ukushintshana kulukhuni, akulula ukuguqula ukugeleza, kepha kunqunywe ngokushesha. I-plug ingasetshenziselwa ingcindezi ephansi kanye nokushisa noma okuphakathi okuqukethe izinhlayiya eziqinile epayipini, kepha akufanele isetshenziselwe ingcindezi ephezulu, izinga lokushisa eliphakeme noma ipayipi eliphakeme.
④Trottle valve
Kungokwalo hlobo lunye lwe-valve yembulunga yembulunga yembulunga. Ukwakheka kwekhanda lawo le-valve kungokoqobo noma kuqondiswe kahle, okungalawula kangcono ukuhamba koketshezi olulawulwayo noma ukulawulwa kwengcindezi nokucindezela. I-valve idinga ukucaciswa okuphezulu kokukhiqizwa okuphezulu nokusebenza kokubekwa uphawu okuhle.
Ngokuyiningi esetshenziselwa ukulawulwa kwensimbi noma isampula namanye amapayipi, kepha akufanele asetshenziselwe ukubonwa kanye nezinhlayiya eziqinile epayipini.
⑤ball valve
I-Ball Valve, eyaziwa nangokuthi i-Ball Center Valve, luhlobo lwe-valve lathuthukiswa ngokushesha eminyakeni yamuva. Isebenzisa ibhola ngomgodi phakathi nendawo njengesikhungo se-valve, ukuthembela ekujikelezeni kwebhola ukulawula ukuvulwa kwe-valve noma ukuvala.
Kuyafana ne-plug, kepha incane ukwedlula indawo yokubekwa uphawu kwepulaki, isakhiwo esihlangene, ukushintshanisa ukulondolozwa kwabasebenzi, kusetshenziswa kabanzi kakhulu kune-plug.
Ngokwephuculwa kwe-Ball valve ekhiqiza ukunemba, ama-ball valves awasetshenziswa kuphela kwipayipi eliphansi, futhi asetshenziswe epayipini ephezulu. Kodwa-ke, ngenxa yokulinganiselwa kwezinto zokubopha uphawu, akufanelekile ukusetshenziswa kumapayipi okushisa aphezulu.
⑥ ama-valves we-diaphragm
I-etholakalayo itholakala ngama-valves enjoloba. Ukuvulwa nokuvalwa kwaleli valve kungukuchazwa okukhethekile kwerabha, i-diaphragm iboshwe phakathi komzimba we-valve kanye nesembozo se-valve, kanye ne-disc ngaphansi kwesigaxa se-valve kugcizelela ukubekwa uphawu.
Leli valve linesakhiwo esilula, ukubekwa uphawu okuthembekile, ukulungiswa okulula kanye nokuphikiswa okuphansi koketshezi. Kufanelekile ukudlulisa imithombo yezindaba e-acidic kanye namapayipi anamanzi ngama-solids amisiwe, kepha ngokuvamile akufanele kusetshenziselwe izingcindezi eziphakeme noma amazinga okushisa aphakeme kune-solvelines e-60
⑦ Bheka i-valve
Eyaziwa nangokuthi ama-valves angabuyi noma ama-valves ahlolwe. Ifakwe epayipini ukuze uketshezi lungageleza kuphela endaweni eyodwa, futhi ukugeleza okuguqukayo akuvunyelwe.
Kuluhlobo lwe-valve yokuvala ezenzakalelayo, kukhona i-valve noma ipuleti elinyakazayo emzimbeni we-valve. Lapho i-lipering igeleza kahle, uketshezi luzovula ngokuzenzakalelayo i-valve flap; Lapho uketshezi lugeleza emuva, i-fluid (noma amandla entwasahlobo) izovala ngokuzenzakalelayo i-valve flap. Ngokwesakhiwo esihlukile se-Check Valve, ihlukaniswe iziphakamiso futhi ziguqukele izigaba ezimbili.
I-Lift Check Valve Flap i-perpendicular i-valve Channel ephakamisa ukunyakaza, ngokuvamile isetshenziswa epayipini noma mpo; I-Rotary Check Valve valve Flap ivame ukubizwa ngokuthi ipuleti ye-rocker, i-rocker plate side exhunywe emgodini, i-rocker check valve ifakwa ngokuvamile kupayipi elivundlile, kepha i-valve encane ingafakwa epayipini mpo, kepha unake ukugeleza akufanele kube mkhulu kakhulu.
I-Check valve isebenza ngokuvamile kwipayipi labezindaba ehlanzekile, equkethe izinhlayiya eziqinile nokubonakala kwepayipi labezindaba akufanele kusetshenziswe. Ukusebenza okuvikelekile kohlobo lwe-Valve Valve Valve kungcono kunohlobo lwe-Swing, kepha uhlobo lwe-Swing Check V fluid Ukumelana kuncane kunohlobo lokuphakamisa. Ngokuvamile, i-Swing Check Valve Valve ilungele ipayipi elikhulu le-caliber.
⑧Butterfly valve
I-Butterfly Valve iyi-disk ejikelezayo (noma idiski e-oval) ukulawula ukuvulwa nokuvalwa kwepayipi. Kuyisakhiwo esilula, ubukhulu bangaphandle obuncane.
Ngenxa yesakhiwo sokubopha uphawu kanye nezinkinga ezibonakalayo, ukusebenza okuvaliwe kwe-valve kumpofu, kuphela umgomo wePipeline wePipeline, kuvame ukusetshenziswa ekudluliseni kwamanzi, umoya, igesi neminye imithombo yezindaba epayipini.
⑨ ingcindezi inciphisa i-valve
Ukunciphisa ingcindezi ephakathi kwenani elithile le-valve ezenzakalelayo, ingcindezi ejwayelekile ngemuva kwe-valve ibe ngaphansi kwe-50% yengcindezi yokulawula i-valve, i-valve sast grap ukufeza inhloso yokuncipha kwengcindezi.
Kunezinhlobo eziningi zokucindezela ukunciphisa ama-valve, ipiston ejwayelekile kanye nohlobo lwesidaphragm ezimbili.
⑩ I-valve ye-lining
Ukuze uvikele ukugcwala okuphakathi nendawo, amanye ama-valves adinga ukufakwa ngaphakathi kwezinto ezivimbela ukubhuka (njengokuhola, irabha, koqweqwe lwawo, njll.
Ukuze kube lula ukuhlanganisa, ama-valves ahlanganisiwe anwetshwa kakhulu ngohlobo lwe-angle noma uhlobo oluqondile.
⑪SAFETY VALLVE
Ukuze uqinisekise ukuphepha kokukhiqizwa kwamakhemikhali, ohlelweni lwamapayipi ngaphansi kwengcindezi, kunedivaysi yokuphepha unomphela, okungukuthi, ukukhethwa kobukhulu obuthile beshidi lensimbi, njengokufaka ipuleti elingaboni elifakwe ekugcineni kwepayipi noma i-tee intelleface.
Lapho ingcindezi epayipini ikhuphuka, ishidi liphukile ukufeza inhloso yokuthola umfutho. Amapuleti okuqhuma ngokuvamile asetshenziswa ngokucindezela okucindezelwe, amapayipi amakhulu, kepha emaphaketheni amaningi amakhemikhali anama-valves okuphepha, ama-valves okuphepha anezigaba eziningi, angahlukaniswa ngezigaba ezimbili, okungukuthi, kulayishwa khona.
Ama-valves okuphepha alayishwe entwasahlobo ancike kakhulu emandleni entwasahlobo ukufeza ukubekwa uphawu. Lapho ingcindezi embhobholweni idlula amandla entwasahlobo, i-valve ivulwa yi-medium, futhi uketshezi olusepayipini luyakhishwa, ukuze ingcindezi incishisiwe.
Lapho ingcindezi esepayipi iwela ngaphansi kwamandla entwasahlobo, i-valve iyavalwa futhi. Ama-Lever-Type Safety Valves ancike kakhulu emandleni esisindo kwi-lever ukuze afinyelele uphawu, umgomo wokusebenza nohlobo lwentwasahlobo. Ukukhethwa kwe-valve yezokuphepha, kususelwa ekucindezelweni okusebenzayo kanye nokushisa okusebenzayo ukuthola izinga lokucindezela okuyimi, ubukhulu bawo bungabalwa ngokubhekisele kwizinhlinzeko ezifanele zokunquma.
Uhlobo lwesakhiwo se-valve lokuphepha, izinto ze-valve kufanele zikhethwe ngokuya ngohlobo lwezimo eziphakathi nendawo, zokusebenza. Ingcindezi yokuqala, ukuhlolwa nokwamukela kwe-valve yezokuphepha kunezilungiselelo ezikhethekile, ukulinganisa okujwayelekile nguMnyango Wezokuphepha, ukuphrinta kwesilinganiso, ukusetshenziswa ngeke kulungiswe ukuphepha.
Isikhathi Sokuthumela: Dec-01-2023