Chivvalavu yamulyangonchintu chidumide loko chibelesegwa munzila zyiingi. Chibelesyegwa kapati mukubamba maanzi, kupanga zintu zyabutale azimwi zintu. Kubelesya kwawo kupati kwazyibwazed amusika. Muminyaka myiingi yakulanga-langa akuchita zintu munzila iili kabotu, mulembi tanaakachita buyo buvwuntauzi bumwi aatala akuzyiba vvalavu yamulyango, pesi akubelesya vvalavu yamulyango, ndakachita buvwuntauzi buli kabotu-kabotu
Eezi zitobela nzibandi zyabantu boonse aatala abupange, kubelesyegwa, kumana mapenzi, kulanga bubotu azimwi zibeela zya vvalavu yamulyango.
Bupange
Bupange bwavvalavu yamulyango: Chivvalavu yamulyangonivvalavueecho chibelesya chipulo chamulyango achibbula chavalvu kweendelezya kujalula akujala. Chivvalavu yamulyangoikapati zibikkilizya mubili wavalvu, chibbula chavalvu, bbazu lyamulyango, chisiko chavalvu, chivwunisyo chavalvu, lugwalo lwakupaka, chivwumbyo chakupaka, nsingo yavalvu, janza-vwili, azimwi. Kweelana akuchincha kwabusena buli akati kamulyango achibbula cha valve, bupati bwenzila bulakonzya kuchincha mpawo nzila ilakonzya kugonkwa. Kutegwa vvalavu yamulyango ijalwe kabotu, bbaaji lyamulyango achuuno cha vvalavu zilagaya.
Kweelana abupange bwiindene bwa vvalavu yamulyango, vvalavu yamulyango ilakonzya kwaandaanizyigwa muzibeela zyobile: ntalisyo ambali.
Ibbwe lyamulyango lyamulyango wa wedge lili muchimo, mpawo busena bwakujala buli akati-kati kamugwagwa. Ibbazu lili akati kachipulo chamulyango achibbula cha valve lilabelesyegwa kujala (kujala). Ipuleti ya wedge ilakonzya kuba mulyango omwe naakuti milyango yobile.
Busena bwakujala bwa valve yamulyango uukozyenye bulikozyenye kuli umwi amweenzinyina mpawo buliimpene amuzila uuli akati-kati kamugwagwa. Yaandaanizyidwe muzibeela zyobile: nzila iijula anzila iitajuli. Kuli geede lyabili lijisi nzila iijulidwe. Eelyo mulyango nowaseluka, zibeela zyamilyango yobile iikozyenye zilagwasyilizya milyango yobile aachibbula cha valve aawo mpozigolela mpawo zikosola nzila yakuzuza. Eelyo mulyango nowatanta akujaluka, fosholo amulyango zilabelekela antoomwe amulyango zilaandaanizyigwa, mulyango ulatanta kusikila kubulamfwu bumwi, mpawo nkomo ilajatililwa a con The double gate plate without an open mechanism. Eelyo bbazu lyamulyango nolinjila muchuuno chavalvu kweendelana amasena obile aajisi bbazu lyamulyango, nguzu zyamaanzi zilabelesyegwa kusinikizya bbaaji lyamulyango amubili wavalvu kulubazu lwamulyango wakuzwa kuvalvu kuti ijale maanzi.
Kweelana akweendeenda kwachisiko chavalvu aawo mulyango nujulwa akujalwa, vvalavu lyamulyango lyaandaanizyigwa muzibeela zyobile: vvalavu lyamulyango uujalukide a vvalavu lyamulyango uusiya. Eelyo chisiko cha valve a gate plate ya valve ya open-bar gate nozijulwa naa kujalwa, zilatanta akuseluka achiindi chomwe; eelyo vvalavu yamulyango wa dark-bar noijalulwa naa kujalwa, ntambo ya vvalavu ilazungaanisigwa buyo, kutanta akuseluka kwa ntambo ya vvalavu takukonzyi kubonwa, mpawo bbaala lyamulyango lilasumpulwa naa kuseluka. Bubotu bwa vvalavu yamulyango uujalukide mbwakuti ilakonzya kubeteka bulamfu bwakujula kwamugwagwa kwiinda mukutanta kwabulamfu bwamulyango, asi ilakonzya kufwiinsya bulamfu bwakujata. Notulangide kujanza-vwili naa cijatisyo, kojokezya janza-vwili naa cijatisyo kuya kulubazu lwawoola, mpawo vvalavu yajalwa.
Chiindi akusala nzila yakubelesya vvalavu yabili:
01 ŋandavvalavu yamulyango
Kubelesya vvalavu lyamulyango uupapalete:
(1) Mapaipi aakutola mafuta aamuwo, mavalvu aamulyango uupapalete aamabbanga aakugwisya nzila alagwasya kusalazya mapaipi.
(2) Mipaipi yakutola mafuta azibelesyo zyakuyobweda mafuta aasalala.
(3) Zibelesyo zyakugwisya mafuta amuwo.
(4) Mapaipi ajisi zintu ziimvwi nji.
(5) Mupayipi wakutola gasi mumunzi.
(6) Mulimo wakupa maanzi.
Njiisyo yakusala vvalavu yamulyango uupapalete:
(1) Kumapaipi aakutola mafuta aamuwo, sala mavalvu aajisi milyango yomwe naa milyango yobile. Kuti koyanda kusalazya mupaipi, sala vvalavu yamulyango uupapalete uujisi mulyango omwe uujisi mpako yakugwisya.
(2) Kupayipi lyakutola mafuta azibelesyo zyakuyobweda mafuta, sala mulyango omwe uutakwe mpako yakugwisya naa vvalavu lyamulyango uupapalete uujisi milyango yobile.
(3) Kuzibelesyo zyakugwisya mafuta aamuwo, sala mulyango omwe uulaa chibbula cha valve chitantamuka chamudima chili aamulyango wakugwisya naakuti vvalavu ipapalete iijisi milyango yobile.
(4) Kumapayipi ajisi zintu ziimvwi nji, amusale vvalavu yamulyango uupangidwe mbuli peni.
(5) Kumapaipi aakutola muya mumadolopo, sala mulyango omwe naa mulyango obile uujala mulyango uuteteete.
(6) Kuli injiniya yakujana maanzi, sala bbaaji lyomwe lyamulyango naa bbaaji lyamulyango obile litakwe mpako yakugwisya nzila iijalukide.
02 wedgevvalavu yamulyango
Ziindi zibeleka zya wedge gate valve: Akati kamisyobo yiindene-indene yama valve, gate valve njiibelesyegwa kapati. Kanjaanji chikonzya kubelesegwa buyo kujalula naakuti kujala, mpo tachikonzyi kubelesegwa mukweendelezya akulesya.
Ivalvu yamulyango wa wedge kanjikanji ibelesyegwa mumasena oomo mokutakwe mulawu uujatikizya bupati bwaanze bwa valve, mpawo bukkale bwakubelesya bulakatazya. Mbuli chitondeezyo, kubusena bwakubeleka bupya loko, kuyandika kuti zibeela zijalidwe zyeelede kujalwa kwachiindi chilamfu.
Kanjaanji, aawo kubelesya bukkale naakuti ziyandikana zyakujala kabotu, muya mupati, muya mupati (kusiyana kupati kwamuwo), muya muniini (kwiindana kusyoonto kwamuwo), muzuzumo muniini, mpako yamuwo akuzwa kwamuwo, kupya kapati, kupya kusyoonto (kutontola kapati), nkubotu kubelesya nzila yakukwabilila. Mbuli chitondeezyo, kuli nzila zyiingi zyakubelesya mumakwebo aanguzu, kusungulula mafuta, kupanga mafuta, mafuta aamulwizi, kubamba maanzi akusalazya tombe mumayake aamudolopo, antoomwe akupanga misamu.
Njiisyo yakusala:
(1) Ziyandikana aatala abube bwamaanzi aa valve. Ivalvu yamulyango ibelesegwa mubukkale bwakubeleka butakwe nguzu zyakukasya maanzi, nguzu zyakuzungaana, bube bwakuzuza bubotu alimwi azyeelelo zyakujala ziyumu.
(2) Kupya kupati antoomwe akusinikizyigwa kupati. Mbuli busi bujisi nguzu kapati, busi bupya kapati alimwi amafuta aajisi nguzu kapati.
(3) Kupya kusyoonto (kutontola kapati) aakati-akati. Mbuli ammonia yamaanzi, hydrogen yamaanzi, oxygen yamaanzi azimwi zintu.
(4) Muya muniini alimwi mupatinsayizi. Mbuli mapulojekiti aameenda aamupompi amapulojekiti aakusalazya tombe.
(5) Busena bwakubikka: sala vvalavu lyamulyango wamudima aawo bulamfu bwakubikka nobuli munsi; sala vvalavu yamulyango uujalukide aawo bulamfu nobutakwe mpindu.
(6) Lilikke aawo noikonzya kujalulwa naakuti kujalwa, mpo tiikonzyi kubelesegwa kubambulula akuzungaanya, mpokukonzya kusalwa.
tumpenda totatwe tudumide akubamba
01 tumpenda tudumide azintu zipa kuti kube mavalvu aamulyango
Musule akubelesya vvalavu lyamulyango, mapenzi aaya alachitika akaambo kakupya, kusinikizyigwa, kubola akuzungaana kwakuswaangana kuli koonse.
(1) Kuvwundauka: Kuli misyobo yobile, nkokuti, kuvwundauka kwaanze akuvwundauka kwamukati. Kuvwundauka kunze lyavalvu kwiitwa kuti kuvwundauka, mpawo kuvwundauka ooku kulajanika kapati mubbokesi lyakubikkila zintu antoomwe akujatana kwafuleji.
Twaambo twakapa kuti bbokesi lyakubikkila zintu lizwe maanzi: musyobo naa bubotu bwakubikkila zintu tazizuzikizyi zyeelelo; kuchembaala kwakupaka naakuti kubola kwachisiko cha valve; kuvwunguluka kwa gland yakupakila; kukwasula atala aachisiko cha valve.
Twaambo twakuvwundauka aawo mpokuswaangana flange: zintu naa bupati bwa gasket tabuzuzikizyi ziyandikana pe; bubotu bwakuchita zintu zyakujala flange tabuli kabotu pe; zibulo zyakuswaanganya tazijatikizyidwe kabotu pe; bupange bwamapaipi tabuli kabotu pe, mpawo eezi zipa kuti kube mikuli myiingi aawo mpokuswaanganya.
Twaambo twakuvwundauka mukati ka vvalavu: Kuvwundauka kwakachitwa akujala kwa vvalavu nkuzwa mukati, ooko kweetelezegwa akunyonyooka kwabusena bwakujala bwa vvalavu naakuti muyanda uutali kabotu wa vvalavu.
(1) Kubola kanjikanji nkubola kwamubili wavalvu, chivwumbyo chavalvu, chisiko chavalvu antoomwe abwaanda bwakujala flange. Kubola kulachitika akaambo kakubeleka kwachintu chili akati, antoomwe akuzwa kwama ayoni muzintu zizuzya amuma gasket.
(2) Kukwasula: kukwasula naa kukwasula busena kulachitika aawo bbazu lyamulyango achibbula cha valve nozili mukweenda kweendelana anguzu zyakuswaangana.
02 Kubamba vvalavu yamulyango
(1) Kubambulula kuvwuuma kwaanze kwavalvu
Notusinikizya chintu chakuzuzya, bbola lyakujulu lya gland lyeelede kupimwa kuchitila kutabilila kuseluka kwa gland, akusiya busena bwakusinikizya. Notusinikizya chintu chakuzuzya, chisiko cha valve cheelede kusanduka kuchitila kuti chizuzyo chizingulukide chisiko chavalvu chibe chintu chili kabotu mpawo kutabilila kuti kusinikizya kufwa, kuchitila kuti kutanyonganyi kuzungaana kwachisiko cha valve, kuyungizyila kubola kwa filler, akufwiinsya buumi bwakubeleka. Busena bwachisiko chavalvu bulikweenda, kuchitila kuti akati-akati kakuzwa anze. Kweelede kubelesegwa kuchitila kuti kugwisigwe zilonda zili atala aachisiko cha valve kaitanabelesegwa.
Kuzwa kwakujatikizyigwa kwa flange, ikuti naa gasket yanyonyooka, yeelede kucincwa; kuti naa zintu zya gasket tiizyakasalwa kabotu, zintu zikonzya kuzuzikizya ziyandika zyakubelesya zyeelede kusalwa; kuti naa busena bwakujala flange tabuli kabotu pe, busena bwakujala flange bweelede kugwisigwa akubelesegwa alimwi kusikila bube kabotu.
Mukuyungizya, kuyumya kabotu mabboluti aa flange, kubamba kabotu mupaipi, akutantamuka mikuli minji loko aawo flange noiswaangana zilagwasya kutabilila kuvwundauka aawo flange noiswaangana.
(2) Kubambulula kuvwundauka kwamukati kwavalvu
Kubambulula kuvwundauka kwamukati nkugwisya kunyonyooka kwabusena bwakujala akubula nguzu kwa muyanda wa ringi yakujala (eelyo ringi yakujala noyakabikkwa aapuleti lya valve naa achibbula cha valve kwiinda mukusinikizya naa kubamba nsinga). Ikuti naa busena bwakujala bwabikkwa amubili wavalvu apuleti lyavalvu, kunyina penzi lyamiyanda iitakwe nguzu akuvwundauka.
Eelyo busena bwakujala nobwanyonyooka loko mpawo busena bwakujala bwabambwa a nkomo yakujala, nkomo yakaindi yeelede kugwisigwa akubikkwa nkomo mpya yakujala; kuti naa busena bwakujala bwabikkwa amubili wavalvu, busena bwakujala bwakanyonyooka bweelede kusaanguna kugwisigwa, mpawo nkomo mpya yakujala naakuti busena bwakabelesegwa bweelede kugayigwa kuba busena bupya bwakujala. Eelyo zilonda, zilonda, zilonda, zilonda azimwi zintu zitali kabotu zili munsi aa 0.05mm, zilakonzya kugwisigwa akugaya.
Muyanda wa ringi yakujala ulazuza. Eelyo nkomo yakujala niyasinikizyigwa akubikkwa, bbanti lya PTFE naakuti penti iituba ilakonzya kubikkwa munsi aachuuno cha valve naakuti mugoti wa ringi yakujala, mpawo yasinkililwa mukati ka ringi yakujala kuti izuzye muyanda wa ringi yakujala. Aawo nkomo yakujala niyajatikizigwa alusambo, bbanti lya PTFE naakuti penti iituba yeelede kubikkwa aakati ka lusambo Kuzwa aakati kamizila.
(3) Kubambulula kubola kwavalvu
Muchiindi chiingi, mubili wavalvu achivwumbyo chavalvu zilabola kabotu, mpawo chisiko chavalvu kanjikanji chilabola. Nomubambulula, cintu cibola ceelede kugwisyigwa kusaanguna. Kuchisiko cha valve chili amabbanga, cheelede kubelesegwa a lathe kuchitila kuti kutabi kutyompokelwa, kuchincha akuzuzya chijisi chintu chizwa, naakuti kusanzya chizuzyo aamaanzi aasalala kuchitila kuti kugwisigwe ma ions aali mu filler aayo ajisi nguzu zyakubola chisiko cha valve.
(4) Kubambulula zilonda atala aabusena bwakujala
Muchiindi chakubelesya vvalavu, kutyoka aabusena bwakujala kweelede kulesyegwa mbuli mbukonzeka, mpawo nguzu tazyeelede kuba zipati loko muchiindi chakujala vvalavu. Ikuti naa zilonda zili aabusena bwakujala zilakonzya kugwisigwa akugaya.
Kuziba mavalvu one aamulyango
Mubukkale bwamakwebo buliwo lino azintu nzyobayanda babelesi, mavwili aamulyango wabutale ngaajisi lubazu lupati. Mbuli sikulanga bubotu bwachintu, kunze lyakuziba kulingaula bubotu bwachintu, weelede kuba aluzibo lubotu lwachintu eecho.
01 Kusunka ntalisyo ya iron gate valve
Kuzyibwa kwa vvalavu yamulyango wabutale kweendelana amulawu wanyika yoonse GB/T12232-2005 ”Valavu yamulyango wabutale uujatikizya ntalisyo yabutale”.
02 Zintu zyakulanga-langa vvalavu yamulyango wabutale
Zibikkilizya: chitondezyo, * bupati bwabwaanda buniini, kusunkwa kwakusinikizyigwa, kusunkwa kwachikwabilizyo, azimwi. Akati kazeezi, bupati bwabwaanda, kusinikizyigwa akusunkwa kwachikwabilizyo nzintu ziyandikana mukulanga-langa azintu zipati. Kuti kakuli zintu ziteelede, zilakonzya kubetekwa kuti nzintu ziteelede pe.
Mubbala lyomwe, kulanga bubotu bwazintu nchintu chipati mukulanga zintu zyoonse. Bupati bwayo bulalibonya. Mbuli babelesi bali kunembo, tweelede kuyumya bubotu bwesu. Tatweelede buyo kuchita mulimu mubotu mukulanga-langa zintu, pesi tweelede kumvwisisisya zintu zyalangwa-langwa, kuchitila kuti tukonzye kuchita mulimu mubotu mukulanga-langa.
Chiindi chakutumizya: Mar-23-2023
