Mwachitsanzo, ngati mukufuna kutsegula valavu ya gulugufe ya DN100, PN10, mphamvu yake ndi 35NM, ndipo kutalika kwa chogwirira ndi 20cm (0.2m), ndiye kuti mphamvu yofunikira ndi 170N, yomwe ndi yofanana ndi 17kg.
Vavu ya gulugufe ndi valavu yomwe ingatsegulidwe ndi kutsekedwa potembenuza mbale ya valavu 1/4 kutembenuka, ndipo chiwerengero cha ma turn omwe chogwiriracho chilinso 1/4 kutembenuka. Kenako nthawi yomwe ikufunika kuti mutsegule kapena kutseka imatsimikiziridwa ndi torque. Torque ikakula, valavu imatseguka ndi kutseka pang'onopang'ono. Mosiyana ndi zimenezi, valavu imatseguka ndi kutseka pang'onopang'ono.
2. Valavu ya gulugufe yoyendetsedwa ndi zida za nyongolotsi:
yokhala ndi ma valve a gulugufe okhala ndi DN≥50. Lingaliro lomwe limakhudza kuchuluka kwa kuzungulira ndi liwiro la valavu ya gulugufe ya nyongolotsi limatchedwa "speed ratio".
Chiŵerengero cha liwiro chimatanthauza chiŵerengero pakati pa kuzungulira kwa shaft yotulutsa actuator (handwheel) ndi kuzungulira kwa mbale ya valve ya gulugufe. Mwachitsanzo, chiŵerengero cha liwiro la valve ya gulugufe ya DN100 ndi 24:1, zomwe zikutanthauza kuti gudumu lamanja pa bokosi la turbine limazungulira nthawi 24 ndipo mbale ya gulugufe imazungulira bwalo limodzi (360°). Komabe, ngodya yayikulu yotsegulira mbale ya gulugufe ndi 90°, yomwe ndi 1/4 bwalo. Chifukwa chake, gudumu lamanja pa bokosi la turbine liyenera kuzunguliridwa nthawi 6. Mwanjira ina, 24:1 imatanthauza kuti muyenera kungotembenuza gudumu lamanja la valve ya gulugufe ya turbine nthawi 6 kuti mumalize kutsegula kapena kutseka valavu ya gulugufe.
| DN | 50-150 | 200-250 | 300-350 | 400-450 |
| Chepetsani Mtengo | 24:1 | 30:1 | 50:1 | 80:1 |
"The bravest" ndi filimu yotchuka komanso yokhudza mtima kwambiri mu 2023. Pali tsatanetsatane woti ozimitsa moto adalowa pakati pa moto ndikutembenuza ma 8,000 pamanja kuti atseke valavu. Anthu omwe sadziwa tsatanetsatane anganene kuti "izi zapitirira muyeso." Ndipotu, ozimitsa moto adalimbikitsa nkhani ya "The bravest" munkhaniyi "adatembenuza valavu ma 80,000, maola 6 asanatseke."
Musadabwe ndi nambala imeneyo, mufilimuyi ndi valavu ya chipata, koma lero tikulankhula za valavu ya gulugufe. Chiwerengero cha ma revolutions ofunikira kuti mutseke valavu ya gulugufe ya DN yomweyo sichiyenera kukhala chochuluka chonchi.
Mwachidule, kuchuluka kwa kutembenuka ndi kutseka kwa valavu ya gulugufe kumadalira zinthu zambiri, monga mtundu wa actuator, kuthamanga kwapakati ndi kuthamanga, ndi zina zotero, ndipo ziyenera kusankhidwa ndikusinthidwa malinga ndi momwe zinthu zilili.
Tisanakambirane za kuchuluka kwa ma turn omwe amafunika kuti atseke valavu ya gulugufe, choyamba tiyeni timvetsetse chida chofunikira potsegula valavu ya gulugufe: choyatsira. Ma actuator osiyanasiyana ali ndi ma turn osiyanasiyana omwe amagwiritsidwa ntchito potseka valavu ya gulugufe, ndipo nthawi yomwe ikufunika nayonso ndi yosiyana.
Fomula yowerengera nthawi yotsegulira ndi kutseka valavu ya gulugufe Nthawi yotsegulira ndi kutseka valavu ya gulugufe imatanthauza nthawi yomwe imatenga kuti valavu ya gulugufe itsirize kuyambira yotseguka kwathunthu mpaka yotsekedwa kwathunthu kapena kuyambira yotsekedwa kwathunthu mpaka yotseguka kwathunthu. Nthawi yotsegulira ndi kutseka valavu ya gulugufe imakhudzana ndi liwiro la choyatsira, kuthamanga kwa madzi ndi zina.
t=(90/ω)*60,
Pakati pawo, t ndi nthawi yotsegulira ndi kutseka, 90 ndi ngodya yozungulira ya valavu ya gulugufe, ndipo ω ndi liwiro la angular la valavu ya gulugufe.
1. Valavu ya gulugufe yoyendetsedwa ndi chogwirira:
Kawirikawiri amakhala ndi ma valve a gulugufe okhala ndi DN ≤ 200 (kukula kwakukulu kungakhale DN 300). Pakadali pano, tiyenera kutchula lingaliro lotchedwa "torque".
Mphamvu yogwira ntchito imatanthauza kuchuluka kwa mphamvu zomwe zimafunika kuti mutsegule kapena kutseka valavu. Mphamvu yogwira ntchito imeneyi imakhudzidwa ndi zinthu zosiyanasiyana, kuphatikizapo kukula kwa valavu ya gulugufe, kuthamanga ndi makhalidwe a cholumikizira, komanso kukangana mkati mwa cholumikizira valavu. Mphamvu yogwira ntchito nthawi zambiri imafotokozedwa mu Newton mita (Nm).
| Chitsanzo | Kupanikizika kwa Valavu ya Gulugufe | ||
| DN | PN6 | PN10 | PN16 |
| 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. Valavu ya gulugufe yoyendetsedwa ndi magetsi:
Yokhala ndi DN50-DN3000. Mtundu woyenera ma valve a gulugufe ndi chipangizo chamagetsi chozungulira kotala (ngodya yozungulira madigiri 360). Chofunikira kwambiri ndi torque, ndipo chipangizocho ndi Nm
Nthawi yotseka valavu yamagetsi ya gulugufe imatha kusinthidwa, kutengera mphamvu, katundu, liwiro, ndi zina zotero za actuator, ndipo nthawi zambiri sizipitirira masekondi 30.
Ndiye zimatenga nthawi zingati kuti mutseke valavu ya gulugufe? Nthawi yotsegulira ndi kutseka valavu ya gulugufe imadalira liwiro la injini. Liwiro lotulutsa laValavu ya ZFAPa zida zamagetsi wamba ndi 12/18/24/30/36/42/48/60 (R/min).
Mwachitsanzo, ngati mutu wamagetsi uli ndi liwiro lozungulira la 18, ndipo nthawi yotseka ndi masekondi 20, ndiye kuti chiwerengero cha ma turn omwe umatseka ndi 6.
| MTUNDU | SPEC | Torque Yotulutsa N. m | Liwiro lozungulira r/min | Nthawi Yogwira Ntchito | Chigawo Chachikulu cha Tsinde | Gudumu lamanja kutembenuka | |
| 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 |
Chikumbutso chofunda: Chosinthira magetsi cha valavu chimafuna mphamvu kuti chigwire ntchito. Ngati mphamvuyo ndi yaying'ono, singatseguke kapena kutseka, choncho ndi bwino kusankha yayikulu kuposa yaying'ono.