Isu tinozivisa zviri pamutemo kuti mushure mekuenderera mberi nekutsvagisa nekusimudzira nechikwata chedu muminda yemagetsi mechanics uye einjiniya yezvinhu, chizvarwa chitsva cheSingle Press Check Valve chakagadzirwa zvinobudirira uye kwakatangwa. Iri kunanga masisitimu emazuva ano maindasitiri nemapombi ehurumende, chigadzirwa ichi chakaita kurongeka tekinoroji mukubatanidza tekinoroji, corrosion resistance, uye kuvimbika kwekuisa chisimbiso, nechinangwa chekupa mhinduro yakagadzikana uye yakasimba yekudzora mvura.
Iyi cheki valve inotora Single Press Connection tekinoroji. Kuenzaniswa neyechinyakare welding kana doublepress process, single press inoda chete mwero wekutsikirira kuti uwane kubatana kwakasimba pakati pepombi nemuviri wevharuvhu kuburikidza neinotonhora simbi extrusion deformation. Zvakanakira izvi zvinoratidzwa muzvikamu zvitatu: chekutanga, zvinoderedza maitiro ekuvaka panzvimbo uye inoderedza mari yebasa uye nguva; chechipiri, inodzivirira kukanganisa kwekushisa kwekushisa kwepamusoro pane metallographic chimiro chesimbi isina tsvina, kuchengetedza yepakutanga corrosion resistance yezvinyorwa; chechitatu, iyo inotonhora yekubatanidza nzira inosanganisa isina yakavhurika murazvo mashandiro, ichiita kuti ive yakakodzera kune yekumisikidza mamiriro ane yakakwirira moto kuchengetedzwa uye kuchena zvinodiwa.
Panyaya yedhizaini yekuyerera kwemukati, timu yeR&D yakagadziridza vheji yepakati profiles ichishandisa Computational Fluid Dynamics (CFD). Munguva yekuyerera kumberi, iyo yepakati dzvinyiriro inokunda preload yechirimo kusundira vheji yepakati yakavhurika, uye inoyerera chiteshi chepakati inoshanduka zvakanaka, ichichengeta kurasikirwa kwekumanikidza padanho rakaderera. Munguva yekutenderera kuyerera, iyo yevhavha yepakati inokurumidza kudzoka kuchigaro chayo pasi peyakasanganiswa chiito chechirimo simba uye reverse yepakati kudzvanywa, inokodzera yekuisa chisimbiso kuti iwane nekukurumidza cheki. Iyi dhizaini inobatsira kudzvanya nyundo dzemvura uye inoderedza kukanganisa pamapombi ekudzika uye zviridzwa zvakaringana.
Ivhavha yemuviri zvinhu inopa sarudzo mbiri: 304 uye 316 simbi isina tsvina, kuti isangane nemararamiro ekupikisa zvinodikanwa zvemamiriro akasiyana ekushanda.
304 simbi isina tsvina ine 18% chromium uye 8% nickel, ine yakanaka yakazara corrosion resistance, inokodzera mvura yekunwa yemumba, mvura zhinji yemumaindasitiri, uye mapaipi asina kwaakarerekera epakati. 316 simbi isina tsvina inowedzera 23% molybdenum (Mo) pahwaro hwe304, inovandudza zvakanyanya kuramba kune chloride ion pitting uye crevice corrosion. Yakakodzera mamiriro ekushanda ane corrosive media senge makemikari, marine engineering, mishonga, uye kurapwa kwemvura. Vashandisi vanogona kusarudza zvinoenderana nechaiyo yepakati maitiro uye nharaunda yekushandisa.
Iyo yekuisa chisimbiso chikamu chakakosha chevhavha yekutarisa kuti iwane zero kuvuza. Ichi chigadzirwa chinoshandisa EPDM (Ethylene Propylene Diene Monomer) sechinhu chakakosha chekuisa chisimbiso.
EPDM is saturated nonpolar rabha. Yayo molecular main cheni inoumbwa yakagadzikana kabhoni kabhoni imwe bond, ine nhamba diki yeunsaturated kaviri zvisungo mumacheni ekumativi. Ichi chimiro chinopa EPDM zvinotevera maitiro:
1. Kuramba kwemamiriro ekunze uye kuramba kwe ozone: EPDM ine kupikisa kwakanyanya kune ozone, ultraviolet mwaranzi, uye kuchembera kwemuchadenga, yakakodzera kune dzakasiyana siyana dzekuisa mukati nekunze.
2. Kupisa kwekushisa uye kusagadzikana kwemvura: EPDM inogona kushanda kwenguva yakareba muhutano hwe40 ° C kusvika 120 ° C, nekushivirira kwakanaka kumvura inotonhora, mvura inopisa, uye steam. Iyo compression set rate yakaderera, uye inogona kuchengetedza yakagadzikana yekuisa chisimbiso chaiyo pasi penguva refu highfrequency kuvhura nekuvhara mamiriro.
3. Kubatana kwemakemikari: EPDM ine kupikisa kwakanaka kune doro, ketoni, glycols, uye zvakasiyana-siyana zvepolar chemical solvents, asi hazvina kukodzera kune aliphatic hydrocarbons (yakadai se petrol, mineral oil) uye inonhuhwirira hydrocarbon media. Kusarudzwa kunofanira kusimbiswa zvichienderana nepakati chaiyo.
Kana ichienzaniswa neNBR, EPDM inoita zvakadzikama mumvura inopisa uye munzvimbo dzine chiutsi, zvichiita kuti ive chinhu chinowanzo shandiswa chisimbiso muHVAC uye magadzirirwo emvura nemadhiraivha.
Kubatanidza tekinoroji hunhu hweimwe press yekubatanidza, Stainless simbi valve muviri, uye EPDM chisimbiso, ichi chigadzirwa chakakodzera anotevera masisitimu:
Kuvaka mvura yekugezera uye yekugezera: Mapaipi emvura inotonhora uye inopisa yezvivakwa zvakakwirira, masisitimu ekusprinkler moto.
HVAC: Maboiler, anotsinhanisa kupisa, mvura inotonhorera uye mvura inopisa inotenderera masisitimu.
Zvinwiwa zveindasitiri: Kudzora kwepombi mumakemikari, chikafu uye chinwiwa, mishonga, uye masisitimu ekurapa mvura.
Kupedzwa kweiyi Single Press Check Valve kunowedzera kuvandudza chigadzirwa chekambani yedu mumunda wesimbi isina tsvina yekubatanidza pombi uye yekudzora mvura. Isu tinogara takazvipira kupa vatengi vepasirese zvigadzirwa zvevharuvhu zvinosangana nemazinga epasi rose uye kuita kwakagadzikana kuburikidza nepragmatic technical solutions. Vashandi veUinjiniya uye vatengi vanogamuchirwa kubvunza nezvemasampuli, data rehunyanzvi, uye makotesheni.
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