I-plug-in enemisonto yokunceda ivalve ye-LADRV-10

I-plug-in enemisonto yokukhulula ivalve ye-LADRV-10 Umfanekiso obonakalayo

Inkcazelo emfutshane:

Umzekelo:I-LADRV-10

Uhlobo :Ivalve yokuqukuqela

Ubume bomthi:carbon steel

Thumela i-imeyile kuthi

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iinkcukacha

Iwaranti:1 Unyaka

Igama lebrand:Flying Bull

Indawo yemvelaphi:Zhejiang, China

Ubunzima:0.5

Uhlobo lwevalvu:Ivalve yeHydraulic

Olona xinzelelo luphezulu:250bar

Esona santya sokuHamba:50L/min

Umzimba weMathiriyeli:carbon steel

Uhlobo lokuqhuba:incwadi yesandla

Uhlobo (indawo yetshaneli):Uhlobo oluthe ngqo

Indawo yoxinzelelo:uxinzelelo oluqhelekileyo

Amashishini asebenzayo:oomatshini

Isiphakathi esisebenzayo:iimveliso zepetroleum

Uxinzelelo oluncinci:0.8/1/0.9

Idayamitha yegama:10mm

Uhlobo loncamathiselo:intambo yesijija

Iingongoma zokuqwalaselwa

uphawu

I-valve ebizwa ngokuba yi-valve encinci yokulawula ukuhamba, njengoko igama layo lithetha, i-valve yokulawula enomthamo omncinci wokujikeleza.

Umthamo wokuhamba kwevalve yisalathisi somthamo wevalve phantsi kweemeko ezidibeneyo. I-China imelwe ngexabiso le-C. Ichazwa njenge: xa i-valve ivuliwe ngokupheleleyo, xa umehluko woxinzelelo ngaphambi nangemva kokuba i-valve i-1kg / cm2 kunye nobunzima obuphakathi ngu-1g / cm3, ubunzima obuphakathi (m3 / hr) buhamba nge-valve nganye ngeyure. Kulwelo olungacinezelekiyo, phantsi kwemeko yesiphithiphithi esipheleleyo (xa inani likaReynolds likhulu ngokwaneleyo, Re > 10 5 yamanzi; Re > 5.5× 104 emoyeni)

Apho:

△ umehluko we-p-pressure ngaphambi nangemva kwevalve (kg / cm2) υ-ubunzima obuphakathi (g/cm3)

Q-Media flow (m3/h)

I-United States kunye namanye amazwe asebenzisa ixabiso le-c ukubonisa umthamo wokuhamba kwevalve. Imigangatho ye-I, E kunye no-C eyaziwayo kwihlabathi ikakhulu enxulumene nokusetyenziswa kombane ixabiso le-Av ukubonisa umthamo wokuhamba kweevalvu. Ubudlelwane bokuguqulwa phakathi kwabo buhamba ngolu hlobo lulandelayo:

Cv =1.17 Cv =10 6 /24Av C=10 6 /28Av

Umthamo wokuhamba wevalve uxhomekeke kuphela kwisakhiwo sevalve ngokwayo. Xa ubala umthamo ofunekayo wokuhamba kwevalve, kufuneka kuqatshelwe ukuba i-flow state kwi-valve iya kuhluke kakhulu xa i-medium ihluke okanye iimeko zokuhamba zihluke.

Kwimeko yesantya esincinci sokuhamba, ngakumbi i-viscous fluid kunye noxinzelelo oluphantsi, umqobo oyintloko we-fluid uhlala u-laminar okanye umxube we-laminar kunye ne-turbulent flow. Kwi-laminar flow, kukho ubudlelwane bomgca phakathi kokuhamba okuphakathi kwivalve kunye nokwahlukana koxinzelelo ngaphambi nangemva kwevalve. Kwimeko edibeneyo yokuhamba kwe-laminar kunye nokuhamba kwe-turbulent, kunye nokunyuka kwenombolo ye-Reynolds, nokuba umahluko wengcinezelo uhlala uhleli, i-dielectric mass flowing through valve iya kwanda. Kwisiphithiphithi esipheleleyo, izinga lokuhamba alitshintshi ngenombolo yeReynolds. Nangona kunjalo, ukhetho lwevalve yokulawula ukuhamba kancinci kusaqhutywa ngeendlela zemveli kunye neefomyula zokubala. Nangona kunjalo, ixabiso elibaliweyo liyatenxa kakhulu kwelona xabiso. Ngokwedatha, xa i-CV ingaphantsi kwe-Cv=0.01, isetyenziswa kuphela njengesalathiso somthamo kwaye inokubaluleka kwereferensi. Owona mthamo wokujikeleza kufuneka umiselwe ngokwe