Injongo yokusebenzisaivalvu yokujongakukuthintela ukuhamba okungasemva kwe-medium, kunyeivalvu yokujongangokubanzi ifakwe kwindawo yokuphuma kwepompo. Ukongeza,ivalvu yokujongaifakelwe kwindawo yokuphuma yecompressor. Ngamafutshane, ukuze kuthintelwe ukuhamba okungasemva kwesixhobo,iivalvu zokujongakufuneka ifakwe kwizixhobo, izixhobo okanye imibhobho.
Ngokubanzi, ukuphakamisa ngokuthe nkqoiivalvu zokujongazikhethwa kwiipayipi ezithe tye ezinobubanzi obuqhelekileyo obuyi-50mm.iivalvu zokujongaingafakelwa kwimigca ethe tye nethe nkqo. Ivalvu yeenyawo ngokubanzi ifakwe kuphela kumgca othe nkqo we-inlet yepompo, kwaye i-medium iphuma ezantsi iye phezulu.
Iivalvu yokujonga iswingingenziwa ngoxinzelelo oluphezulu lokusebenza, i-PN ukuya kuthi ga kwi-42MPa, kwaye i-DN nayo ingaba nkulu kakhulu, ukuya kuthi ga kwi-2000mm. Ngokuxhomekeke kwizinto ezikwindlu kunye nezitywini, naluphi na uhlobo lobushushu bokusebenza lungasetyenziswa. Uhlobo lobushushu ngamanzi, umphunga, igesi, uhlobo lobushushu olubolayo, ioyile, ukutya, amayeza, njl. Uluhlu lobushushu bokusebenza kohlobo lobushushu luphakathi kwe -196 ~ 800°C.
Iivalvu zokujonga ukujikaingafakwa kwiindawo ezingenamda kwaye idla ngokufakwa kwimigca ethe tye, kodwa ingafakwa nakwimigca ethe nkqo okanye ethe tye.
Iivalvu yokujonga ibhabhathaneifanelekile kuxinzelelo oluphantsi kunye nobubanzi obukhulu, kwaye imeko yokufakela ilinganiselwe. Ngenxa yokuba uxinzelelo olusebenzayo lweivalvu yokujonga ibhabhathaneayinakuba phezulu kakhulu, kodwa ububanzi obuqhelekileyo bunokuba bukhulu kakhulu, bunokufikelela ngaphezulu kwe-2000mm, kodwa uxinzelelo oluqhelekileyo lungaphantsi kwe-6.4MPa.ivalvu yokujonga ibhabhathaneingenziwa ibe luhlobo lwe-clamp ezimbini, oluhlala lufakelwa phakathi kwee-flanges ezimbini zombhobho, kwaye lusebenzisa uhlobo loqhagamshelo lwe-clamp ezimbini.
Iivalvu yokujonga ibhabhathaneingafakwa kwindawo engenamda kwaye ingafakwa kumgca othe tye, othe nkqo okanye othe tye.
I-Diaphragmiivalvu zokujongazifanelekile kwiipayipi ezithandwa yi-water hammer, kwaye i-diaphragm ingayisusa kakuhle i-water hammer xa i-medium idlula ngokuchasene nokuhamba. Ngenxa yokuba ubushushu bokusebenza kunye noxinzelelo lwe-diaphragm lusetyenziswa.iivalvu zokujongaZithintelwe zizinto ze-diaphragm, zihlala zisetyenziswa kwimibhobho yobushushu obuqhelekileyo obuphantsi koxinzelelo, ngakumbi efanelekileyo kwimibhobho yamanzi. Ngokubanzi, ubushushu bokusebenza besixhobo buphakathi kwe -20~120°C, kwaye uxinzelelo olusebenzayo luyi-<1.6MPa, kodwa i-diaphragmivalvu yokujongainokufikelela kwi-caliber enkulu, kwaye i-DN inokufikelela ngaphezulu kwe-2000mm.
I-Diaphragmiivalvu zokujongaziye zasetyenziswa kakhulu kwiminyaka yakutshanje ngenxa yokusebenza kwazo okugqwesileyo okungangeni manzi, ulwakhiwo olulula kunye neendleko eziphantsi zokuvelisa.
Ibholaivalvu yokujongakuba isitywino yibhola egqunywe ngerabha, ngoko ke ukusebenza kokutywina kulungile, ukusebenza kuthembekile, kwaye ukumelana nokushukuma kwamanzi kulungile; Kwaye kuba isitywino sinokuba yibhola enye, okanye singenziwa sibe ziibhola ezininzi, ngoko ke singenziwa sibe nobubanzi obukhulu. Nangona kunjalo, izitywino zaso ziindawo ezingenanto ezigqunywe ngerabha, ezingafanelekanga kwiipayipi ezinoxinzelelo oluphezulu, zifanele kuphela iipayipi ezinoxinzelelo oluphakathi noluphantsi.
Ekubeni izinto zokuhlala zebholaivalvu yokujongaingenziwa ngentsimbi engagqwaliyo, kwaye ibhola engenanto yesitywino inokugqunywa ngeplastiki yobunjineli ye-PTFE, ingasetyenziswa nakwindlela yokuhambisa izinto ezirhabaxa.
Ubushushu bokusebenza kolu hlobo lwevalvu yokujonga buphakathi kwe -101~150°C, uxinzelelo lwayo oluqhelekileyo yi ≤4.0MPa, kwaye uluhlu lobubanzi oluqhelekileyo luphakathi kwe 200~1200mm.
Ixesha lokuthumela: Epreli-23-2023
