Ngokomzekelo, ukuba ufuna ukuvula i-DN100, i-valve ye-butterfly ye-PN10, ixabiso le-torque yi-35NM, kunye nobude besiphatho ngu-20cm (0.2m), ngoko amandla afunekayo yi-170N, elingana ne-17kg.
Ivalve yebhabhathane yivalve enokuthi ivulwe kwaye ivalwe ngokuguqula ipleyiti yevalve 1/4 ukujika, kwaye inani lokujika isiphatho likwayi-1/4 ukujika.Emva koko ixesha elifunekayo ukuvula okanye ukuvala linqunywe yi-torque.I-torque enkulu, i-valve ivula kwaye ivale ngokukhawuleza.ngokubhidana.
2. Ivalve yebhabhathane igeyiti yeentshulube:
ifakwe kwiivalvu zebhabhathane nge-DN≥50.Ingqikelelo echaphazela inani lokujika kunye nesantya sevalve yebhabhathane yegiya yeentshulube ibizwa ngokuba yi "speed ratio".
Umlinganiselo wesantya ubhekisa kumlinganiselo phakathi kojikelezo lweshafti yemveliso ye-actuator (ivili lesandla) kunye nokujikeleza kwepleyiti yevalve yebhabhathane.Ngokomzekelo, umlinganiselo wesantya se-DN100 turbine butterfly valve yi-24: 1, oku kuthetha ukuba i-handwheel kwibhokisi ye-injini yomoya ijikeleza amaxesha angama-24 kwaye ipleyiti yebhabhathane ijikeleza isangqa esi-1 (360 °).Nangona kunjalo, i-angle enkulu yokuvula i-butterfly plate yi-90 °, eyi-1/4 isangqa.Ngoko ke, i-handwheel kwibhokisi ye-injini yomoya kufuneka iguqulwe amaxesha ama-6.Ngamanye amazwi, u-24:1 uthetha ukuba kufuneka ujike kuphela ivili lesandla se-turbine butterfly valve 6 ukugqiba ukuvuleka okanye ukuvala ivalve yebhabhathane.
| DN | 50-150 | 200-250 | 300-350 | 400-450 |
| Nciphisa izinga | 24:1 | 30:1 | 50:1 | 80:1 |
"I-bravest" yi-movie ethandwa kakhulu kwaye ichukumisayo kwi-2023. Kukho ingcaciso yokuba abacimi bomlilo bangena phakathi komlilo kwaye bajika ngesandla i-8,000 ukujika ukuvala i-valve.Abantu abangaziyo iinkcukacha banokuthi "oku kugqithise kakhulu."Ngapha koko, umcimi-mlilo waphefumlela ibali elithi "Elona khalipha" kwibali "lijike ivalve ngama-80,000, iiyure ezingama-6 ngaphambi kokuyivala.
Ungothuki ngelo nani, kwimuvi yivalve yesango, kodwa namhlanje sithetha ngesivalo sebhabhathane.Inani leenguqu ezifunekayo ukuvala ivalve yebhabhathane ye-DN efanayo ngokuqinisekileyo ayifuni ukuba zininzi kangako.
Ngamafutshane, inani lokuvula kunye nokuvala ukujika kunye nexesha lesenzo se-valve butterfly lixhomekeke kwizinto ezininzi, ezifana nohlobo lwe-actuator, izinga lokuhamba okuphakathi kunye noxinzelelo, njl., kwaye kufuneka kukhethwe kwaye kulungiswe ngokwemeko yangempela. .
Phambi kokuxoxa ngenani lokujika elifunekayo ukuvala ivalve yebhabhathane, masiqale siqonde isixhobo esifunekayo sokuvula ivalve yebhabhathane: i-actuator.Ii-actuator ezahlukeneyo zineenombolo ezahlukeneyo zokujika ezisetyenziselwa ukuvala ivalve yebhabhathane, kwaye ixesha elifunekayo likwahlukile.
Ivalve yebhabhathane yokuvula nokuvala ixesha lokubala ifomula Ixesha lokuvula nokuvalwa kwevalve yebhabhathane libhekisa kwixesha elithathwayo ukuze ivalve yebhabhathane igqibezele ukusuka ekuvulekeni ngokupheleleyo ukuya ekuvaleni ngokupheleleyo okanye ukusuka ekuvalweni ngokupheleleyo ukuya ekuvulekeni ngokupheleleyo.Ixesha lokuvula kunye nokuvala i-valve yebhabhathane ihambelana nesantya sesenzo se-actuator, uxinzelelo lwamanzi kunye nezinye izinto.
t=(90/ω)*60,
Phakathi kwabo, t lixesha lokuvula kunye nokuvala, i-90 yi-angle yokujikeleza yevalve yebhabhathane, kwaye ω yi-angular velocity ye-valve butterfly.
1. Bamba ivalve yebhabhathane esebenzayo:
Ngokuqhelekileyo zixhotyiswe kwii-valve ze-butterfly ezine-DN ≤ 200 (ubukhulu obukhulu bunokuba yi-DN 300).Ngeli xesha, kufuneka sikhankanye ingcamango ebizwa ngokuba yi "torque".
I-Torque ibhekisa kumthamo wamandla afunekayo ukuvula okanye ukuvala ivalve.Le torque ichatshazelwa yizinto ezahlukeneyo, kubandakanywa ubungakanani bevalve yebhabhathane, uxinzelelo kunye neempawu zeendaba, kunye nokukhuhlana ngaphakathi kwendibano yevalve.Amaxabiso eTorque adla ngokubonakaliswa kwiimitha zeNewton (Nm).
| Umzekelo | Uxinzelelo lweValve yeButterfly | ||
| DN | PN6 | PN10 | PN16 |
| I-Torque, Nm | |||
| 50 | 8 | 9 | 11 |
| 65 | 13 | 15 | 18 |
| 80 | 20 | 23 | 27 |
| 100 | 32 | 35 | 45 |
| 125 | 51 | 60 | 70 |
| 150 | 82 | 100 | 110 |
| 200 | 140 | 168 | 220 |
| 250 | 230 | 280 | 380 |
| 300 | 320 | 360 | 500 |
3. Ivalve yebhabhathane esebenza ngombane:
Ixhotyiswe nge-DN50-DN3000.Uhlobo olufanelekileyo kwiivalve zebhabhathane sisixhobo sombane esijikelezayo (i-angle ejikelezayo i-360 degrees).Ipharamitha ebalulekileyo yi-torque, kwaye iyunithi yiNm
Ixesha lokuvala i-valve ye-butterfly yombane iyahlengahlengiswa, kuxhomekeke kumandla, umthwalo, isantya, njl.
Ngoko ke mangaphi amaxesha ekuthathayo ukuvala ivalve yebhabhathane?Ixesha lokuvula nokuvalwa kwevalve yebhabhathane kuxhomekeke kwisantya semoto.Isantya semveliso yeIvalve yeZFAkwizixhobo zombane eziqhelekileyo yi-12/18/24/30/36/42/48/60 (R/min).
Ngokomzekelo, ukuba intloko yombane enesantya esijikelezayo se-18, kunye nexesha lokuvala imizuzwana engama-20, ngoko inani lokujika livala li-6.
| UHLOBO | SPEC | Imveliso yeTorque N. m | Isiphumo Isantya esijikelezayo r/min | Ixesha lokusebenza | Ubukhulu be-Diamter ye-Stem | Ivili lesandla ukujika | |
| ZFA-QT1 | QT06 | 60 | 0.86 | 17.5 | 22 | 8.5 | |
| QT09 | 90 | ||||||
| ZFA-QT2 | QT15 | 150 | 0.73/1.5 | 20/10 | 22 | 10.5 | |
| QT20 | 200 | 32 | |||||
| ZFA-QT3 | QT30 | 300 | 0.57/1.2 | 26/13 | 32 | 12.8 | |
| QT40 | 400 | ||||||
| QT50 | 500 | ||||||
| QT60 | 600 | 14.5 | |||||
| ZFA-QT4 | QT80 | 800 | 0.57/1.2 | 26/13 | 32 | ||
| QT100 | 1000 |
Isikhumbuzi esifudumeleyo: Ukutshintsha kombane kwevalve kufuna itorque ukuba isebenze kuyo.Ukuba i-torque incinci, ayinakukwazi ukuvula okanye ukuvala, ngoko kungcono ukhethe enkulu kunomncinci.