Threaded plug-in hydraulic relief valve LADRV-10

hunhu

Iyo inonzi diki yekudzora kuyerera kwevhavha, sezvinoreva zita rayo, ivhavha yekudzora ine diki yekutenderera simba.

Kuyerera kwevhavha ndiyo indekisi yemagetsi evhavha pasi pemamiriro akabatana.China inomiririrwa neC kukosha.Inotsanangurwa se: kana vheji yakazarurwa zvakakwana, apo mutsauko wekumanikidzika mberi uye shure kwevhavha iri 1kg / cm2 uye uremu hwepakati huri 1g / cm3, hukuru hwepakati (m3 / hr) hunoyerera nevhavha nguva imwe neimwe.Kune incompressible fluid, pasi pemamiriro emhirizhonga yakazara (apo Reynolds nhamba yakakura zvakakwana, Re> 10 5 yemvura; Re> 5.5× 104 yemhepo)

Kupi:

△ p-pressure musiyano pamberi uye shure kwevhavha (kg / cm2) υ-pakati kuoma (g/cm3)

Q-Media kuyerera (m3/h)

IUnited States nedzimwe nyika dzinoshandisa kukosha kwe c kuratidza kuyerera kwevhavha.Zvinozivikanwa pasi rose zviyero zveI, E uye C zvakanyanya zvine chekuita nemagetsi anoshandisa Av kukosha kuratidza kuyerera kwemavharuvhu.Hukama hwekushandura pakati pavo ndeiyi inotevera:

Cv =1 ．17 C Cv =10 6 /24Av C=10 6 /28Av

Kuyerera kwevhavhavha kunongoenderana nechimiro chevhavha pachayo.Paunenge uchiverenga iyo inodiwa yevhavha inoyerera simba, inofanira kucherechedzwa kuti kuyerera kwemhepo muvhavha kuchave kwakasiyana kwazvo kana svikiro rakasiyana kana mamiriro ekuyerera akasiyana.

Panyaya yekuyerera kudiki, kunyanya viscous fluid uye yakaderera kudzvinyirira, iyo huru yekumanikidza yemvura inowanzoita laminar kana yakasanganiswa mamiriro e laminar uye mhirizhonga kuyerera.Mukuyerera kwelaminar, kune hukama hwemutsara pakati pepakati inoyerera kuburikidza nevharuvhu uye mutsauko wekumanikidza pamberi uye mushure mevharuvhu.Mune yakasanganiswa mamiriro ekuyerera kwelaminar uye mhirizhonga inoyerera, nekuwedzera kwenhamba yeReynolds, kunyangwe kana mutsauko wekumanikidza unoramba uripo, iyo dielectric mass inoyerera kuburikidza nevhavha ichawedzera.Mumhirizhonga yakakwana, mwero wekuyerera hauchinji nenhamba yeReynolds.Zvakadaro, kusarudzwa kweiyo diki inoyerera inoyerera valve ichiri kuitwa nemaitiro echinyakare uye mafomula ekuverenga.Zvisinei, kukosha kwakaverengwa kunotsauka zvikuru kubva paukoshi chaihwo.Zvinoenderana nedata, kana CV iri pazasi Cv = 0.01, inongoshandiswa senge indekisi yehuwandu uye ine chirevo chakakosha.Iyo chaiyo yekutenderera kugona kunofanirwa kutsanangurwa maererano