Butterfly valve ruzivo hurukuro

Mumakore makumi matatu, thebutterfly valveyakagadzirwa muUnited States, yakaunzwa kuJapan mu50s, uye yakashandiswa zvakanyanya muJapan muma60s, uye yakasimudzirwa muChina mushure me70s. Parizvino, butterfly mavharuvhu pamusoro peDN300 mm munyika zvishoma nezvishoma akatsiva gedhi mavharuvhu. Kuenzaniswa negedhi mavharuvhu, butterfly mavharuvhu ane pfupi kuvhura uye kuvhara nguva, diki kushanda torque, diki yekuisa nzvimbo uye kureruka uremu. Kutora DN1000 semuenzaniso, butterfly valve inenge 2T, uye gedhi regedhi rinenge 3.5T, uye butterfly valve iri nyore kusanganiswa nemhando dzakasiyana-siyana dzekutyaira, nekugara kwakanaka uye kuvimbika.

Kukanganisa kwechisimbiso cherubhabutterfly valvendeyokuti kana ichishandiswa kubvongodza, cavitation ichaitika nekuda kwekushandiswa kusina kunaka, izvo zvichaita kuti chigaro cherubha chibvise uye kukuvara. Mumakore achangopfuura, China yakagadzirawo simbi yakavharwa butterfly mavharuvhu, uye mumakore achangopfuura, Japan yakagadzirawo muzinga-shavi mavharuvhu ane cavitation resistance, yakaderera vibration uye yakaderera ruzha.

Hupenyu hwesevhisi yechigaro chekuisa chisimbiso makore gumi nemashanu-20 erabha uye 80-90 makore esimbi pasi pemamiriro akajairika. Zvisinei, kuti ungasarudza sei zvakarurama zvinoenderana nezvinodiwa zvemamiriro ekushanda.

Hukama huri pakati pekuvhurwa kwe abutterfly valveuye mwero wekuyerera wakanyanya mutsara uye wakaenzana. Kana iyo yakashandiswa kudzora kuyerera kwayo, maitiro ayo ekuyerera anoenderanawo zvakanyanya nekuyerera kwekupokana kwepombi, senge dhayamita uye chimiro chevhavha akaiswa mumapaipi maviri akafanana, uye pombi yekurasikirwa kweiyo coefficient yakasiyana, uye kuyerera kwevhavha kuchave kwakasiyana kwazvo.

Kana vheji iri mumamiriro ekukura kukuru, kumashure kweplate yevhavha inotarisana ne cavitation, uye pane mukana wekukuvadza valve, saka inowanzoshandiswa kunze kwe15 °.

Kana shavishavi vharafu iri pakati kuvhura, kuvhura chimiro chinoumbwa nevharafumuviri uye nechekumberi kweplate ye butterfly iri pakati pevhavhavhavha, uye mativi maviri anoumba nyika dzakasiyana, kumucheto kwemberi kwefurafura kune rumwe rutivi kunofamba nenzira yemvura inoyerera, uye rimwe divi rinofamba richipesana negwara remvura inoyerera, naizvozvo, muviri wevhavha kune rumwe rutivi uye ndiro yevhavha inoumba kuvhurika kwakafanana nozzle, uye rumwe rutivi rwakafanana negomba-shape rinokurumidza kuvhurika. divi, uye kudzvanywa kwakashata kuchagadzirwa pasi pevharuvhu yedivi, uye chisimbiso cherubha chinowanzodonha.

Iko kushanda kwevhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavharu kukosha kwayokukosha kwakasiyana,kunyanyaivhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavha,pakuda kwekudzika kwemvura, torque inogadzirwa nemusiyano pakati pepamusoro nepasi musoro wevhavhavhavhavha haigone kuregererwa. Uye zvakare, kana gokora rakaiswa padivi rekupinda mukati mevhavha, kuyerera kwekutenderera kunoumbwa, uye torque inowedzera. Kana vharuvhu iri pakati pekuvhura, iyo inoshanda sisitimu inoda kuzvivharira yega nekuda kwekuita kwemvura inoyerera torque.