A Vharuvhu Yakavharidzirwa Globe Valveimhando yevharuvhu yepasi rose inoshandisa simbi inovhara sechisimbiso chayo chikuru. Chikamu chayo chikuru isimbi inovhara. Kuburikidza nekubatanidza otomatiki, simbi inovhara inogadzira chipingamupinyi chesimbi chinovharika pakati pemvura nemhepo, zvichiita kuti pasave nekubuda mvura pahunde yevharuvhu. Dhizaini iyi haingobatsiri chete kuti vharuvhu ivharuvhu ivharuvhu ivharuvhu asi inowedzerawo hupenyu hwayo hwekushanda.
Nheyo yekushanda yeBellows Sealed Globe Valve
Pfungwa yekushanda kweBellows Sealed Globe Valve yakafanana neyevharuvhu yeglobe yakajairwa. Hunde yevharuvhu inofambiswa kumusoro nekudzika nevhiri reruoko kana actuator, iyo inofambisa dhisiki yevharuvhu (kana plug) kuti ivhure kana kuvhara vharuvhu. Kana dhisiki ikakwira kumusoro, mvura inogona kuyerera nemuvharuvhu; kana dhisiki ikadzika, inovhara zvakasimba pachigaro chevharuvhu, ichivhara kufamba kwemvura. Mheto inoita basa rakakosha mukuita uku, ichivimbisa kushanda zvakanaka kwekuvhara pasi pemamiriro ese ekushanda.
Nheyo yekushanda inogona kukamurwa kuita zvikamu zvikuru zvitatu:
1. Maitiro Ekuvhura:Kana actuator ichishanda, inofambisa push-rod, zvichiita kuti mbeva dzidzvanyirire kana kutambanuka (deform). Panguva imwe chete, izvi zvinofambisa nhengo yekuvharira (disc/plug). Munguva iyi, kumanikidzwa kwepakati kunoshanda mukati membeva kunogadzira mamiriro ekuzvienzanisa.
2. Maitiro Ekuvhara:Kushanda nekumashure kunogadzirisa chikamu chekuvhara. Kuvimba nesimba rekudzoreredza rinopfava remaburi uye kumanikidzwa kwepakati kunoita kuti chibatike zvakakwana.
3. Kubudirira kwekusimbisa:Dhizaini yakasiyana yekusunga simbi kubva kusimbi kuenda kusimbi haina mwero wekubuda kwemvura (ANSI/FCI 70-2 Class V).
Zvikamu Zvikuru zveBellows Sealed Globe Valve
Vharuvhu yeBellows Sealed ivharuvhu yekudzora yakarongeka, inoumbwa nezvinhu zvinotevera:
1. Zvikamu Zvikuru zveMaumbirwo:
• Muviri weVharuvhu:Kazhinji inogadzirwa nesimbi isina ngura kana simbi yekabhoni.
• Bhoneti:Yakabatana nemuviri wevharuvhu kuburikidza neflanges kana tambo.
• Kubatanidza Kuvhara:Inosanganisira bhokisi rekuputira zvinhu uye magasket ekuvharira.
2. Zvikamu Zvikuru Zvinoshanda:
• Mabhonzo:Inogadzirwa nekusveta masirinda esimbi ane madziro matete akawanda.
• Nzvimbo yekubatanidza simbi yevharuvhu neactuator.
• Nhengo Yekuvhara (Disiki/Plug).
Magadzirirwo eVharuvhu yeBellows Sealed Globe
Dhizaini yeBellows Sealed Globe Valve ine zvinhu zvinotevera zvakasiyana:
1. Dhizaini Yekuisa Zvisimbiso Zviviri:
Iine chimiro chine zvisimbiso zviviri chine maburi nematanda. Kunyangwe maburi akakundikana, kurongedza kwematanda kunodzivirira kubuda kwemvura, zvichiita kuti kuvharwa kwacho kuve kwakavimbika.
2. Kuramba Kuora:
Mvuto yacho inowanzogadzirwa nesimbi isingatsvi, ichipa simba rakanaka rekudzivirira ngura yakakodzera kushandiswa mumhando dzakasiyana dzesimbi.
3. Dhizaini Yehupenyu Hurefu:
Mabhero akagadzirwa ne hydraulic ane hupenyu hwakanyanya hwekuneta, anokwanisa kutsungirira kuvhurwa nekuvhara kakawanda.
4. Kudzivirirwa kweHunde:
Mugumo wepasi wegomba unosungirirwa pamudzi wevharuvhu, zvichidzivirira kubva pakukukurwa nemvura inobuda mugwara uye zvichiwedzera hupenyu hwebasa remudzi.
5. Chigaro Chine Simba:
Nzvimbo dzekuvhara dzakasungirirwa pamusoro ne cobalt-based (Co-based) hard alloy, zvichipa simba rakanaka rekudzivirira kupfekwa, kuramba ngura, uye kudzivirira kukweshana, zvichikonzera hupenyu hurefu hwebasa.
Zvakanakira zvehunyanzvi
•Kushanda kweZero Kudonha Kwemvura:
Mvuto dzesimbi dzinobvisa zvachose kubuda kwetsinga, zvichiita kuti ive yakakodzera kune zvinhu zvine chepfu, zvinobvira moto, kana kuti zvakachena zvakanyanya.
•Kuramba Kuora & Kupfeka:
Hunde yevharuvhu inodzimwa uye inopiswa pamwe nekuisa nitriding pamusoro. Nzvimbo dzekugara dzakasungirirwa pamusoro nesimbi dzakaoma (semuenzaniso, dzakagadzirwa neCo-based), dzichidzivirira mvura inoparadza uye kuparadzwa kwezvikamu.
•Kukodzera Mamiriro Akanyanya:
Tembiricha inotangira pa -40°C kusvika 425°C, inonyanya kukodzera masisitimu emafuta ekupisa anodziya zvakanyanya (kumanikidzwa kwakaderera, mamiriro ekupisa akakwira).
•Kugadzirisa Kuri Nyore:
Dhizaini yebellows inoderedza kudiwa kwekutsiva kurongedza, zvichideredza mari yekugadzirisa kwenguva refu.
Kusiyana Pakati peBellows Sealed Globe Valves neStandard Globe Valves
1. Dhizaini Yakasiyana & Kuvimbiswa Kwechisimbiso Chiviri
Kusiyanisa kweBellows Sealed Globe Valve kuri mukugadzirwa kwayo kwe zero-leakage. Inozivikanwa nekugona kwayo zero-leakage uye dual-seal assurance, inovimbisa kuchengetedzeka kwe stem sealing. Dhizaini iyi inovaka simbi yakasimba pakati pemvura nemhepo kuburikidza ne automatic roll welding, zvichiita kuti zero leakage. Inoratidza hukuru hwakakura zvichienzaniswa nema globe valves echinyakare. Kana bellow ikakundikana, stem packing inoshanda se backup seal, ichichengetedza zero leakage. Chimiro chayo chakasimba uye chakasimba chebellow seal hachingovimbisi chete kushanda kwe stem sealing asiwo chinoita kuti ishande zvakanaka.
2. Kuramba Kugadzirwa & Kupfeka
Vharuvhu yeBellows Sealed Globe ine chimiro chakanaka chisina kurasikirwa nemvura, ichideredza kushandiswa kwesimba. Vharuvhu iyi ine chimiro chakanaka, chinodzivirira simba, inoshanda zvakanaka, uye chitarisiko chakanaka. Kusarasikirwa nemvura kunoderedza marara esimba uye kunowedzera kuchengetedzeka kwemidziyo yemuchina. Nzvimbo dzayo dzekuvhara dzinoshandisa welding yeCo-based hard alloy overlay, ichipa kudzivirira kupera, kuramba ngura, uye kudzivirira kukweshana, zvichideredza zvinodiwa pakugadzirisa nemitengo. Izvi zvinowedzera hupenyu hwebasa, zvinoderedza nguva yekugadzirisa, uye zvinoderedza mari yekushanda.
3. Kuramba Kuora Kana Zvichienzaniswa neStandard Globe Valves
Hunde yevharuvhu yeBellows Sealed Globe Valve inodzimwa uye inopiswa pamwe nekuita kuti iite sealant pamusoro, zvichiita kuti ive ne corrosion yakanyanya uye resistance yekukweshana. Kusiyana neizvi, vharuvhu yeglobe yakavharirwa (kureva, standard globe valve) inewo mamwe maitiro. Inozivikanwa nekuda kwezvakanaka zvakaita sekukweshana kushoma panguva yekuvhura/kuvhara, kugara kwenguva refu, uye nyore kugadzira nekugadzirisa. Zvisinei, ine zvimwe zvinokanganisa, zvakaita sekudzivirira mvura zvakanyanya uye kusavimbika kwenguva refu. Kazhinji, vharuvhu yeglobe yakajairwa inoramba iri mhando yevharuvhu inoshandiswa zvakanyanya uye yakavimbika. Kunyange zvakadaro, mavharuvhu eglobe akajairwa ane matambudziko akadai sekudzivirira mvura zvakanyanya uye kushanda zvisina kunaka kwekuvhara kwenguva refu, zvichiita kuti asanyanya kunaka kupfuura mavharuvhu eBellows Sealed Globe.
4. Mabhenefiti ekushandisa uye Kuenzanisa
Mukushandiswa kwemaindasitiri, matambudziko ekubuda kwemvura anokonzerwa nekukwegura kwema stem packing muma standard globe valves akajairika. Ma Bellows Sealed Globe Valves anobudirira mumaindasitiri, achidzivirira matambudziko ekubuda kwemvura ari muma standard globe valves. Kubuda kwemvura uku kunogona kusanganisira kupisa kwakanyanya, chepfu yakawanda, kutsva, kuputika, kana radioactive media, zvichikonzera kwete kusvibiswa kwezvakatipoteredza chete asiwo kukuvara kwakanyanya kwevanhu uye kurasikirwa nezvinhu. Dhizaini yeBellows Sealed Globe Valve inogadzirisa dambudziko iri zvachose. Chimiro chayo che bellows seal chinoita kuti vharuvhu isanyanya kugadzirisa, zvichivandudza kushanda kwesimba, zvichivandudza kuchengetedzeka kwemidziyo yekugadzira, uye zvichideredza mari yekugadzirisa uye kudiwa kwekugadzirisa nguva nenguva. Nekuda kweizvozvo, inopa nzvimbo yakachena yekushanda uye inoderedza mari yekugadzirisa, ichipa mhinduro yakachena uye yakachengeteka.
Minda yeKushandiswa kweBellows Sealed Globe Valve
Zvichishandisa mashandiro avo ekusimbisa uye kuvimbika, maBellows Sealed Globe Valves anoshandiswa zvakanyanya mumaindasitiri akasiyana-siyana anosanganisira peturu, makemikari, mishonga, fetereza, uye kugadzira magetsi, kunyanya mukushandiswa kunoda kuvimbika kwakanyanya kwekusimbisa.
1. Indasitiri yeMakemikoro
Muindasitiri yemakemikari, maBellows Sealed Globe Valves anodzora kufamba kwemhepo inoparadza. Semuenzaniso, fekitori yemakemikari inoshandisa mavharuvhu aya kutakura gasi rechlorine. Vharuvhu iyi inoshandisa simbi inodzivirira ngura yeLCB inodziya zvishoma pakupisa, ine mbezo yakagadzirwa neHastelloy C-276 uye PTFE V-ring seals, ine chimiro chedual-seal chinodzivirira kubuda kwechlorine.
2. Indasitiri yeMishonga
Indasitiri yemishonga inoisa zvinodiwa zvakanyanya pakuchena uye kuvharwa kwemavharuvhu. Dhizaini yeBellows Sealed Globe Valves ine zvisimbiso zviviri uye kuramba ngura kunoita kuti ive sarudzo yakanaka. Semuenzaniso, kambani yemishonga inoashandisa mumafuta anodziya. Mavharuvhu aya ane dhizaini yakagadziridzwa ine kuderedzwa kwekumanikidzwa kwakaderera. Dhizaini yacho inobvumira sisitimu inoburitsa mvura yega, ichipa mashandiro akanaka kupfuura mamwe marudzi emavharuvhu eglobe.
3. Indasitiri yeMagetsi
Muindasitiri yemagetsi, maBellows Sealed Globe Valve anoshandiswa mumapaipi emhepo uye masisitimu emabhaira kuona kuti kufema kwemhepo kunofambiswa zvakanaka uye kudzora kwakachengeteka. Semuenzaniso, kambani yekugadzira magetsi inoashandisa pamitsetse yemhepo. Mavharuvhu aya anodzivirira kubuda kwemhepo, zvichivandudza mashandiro esimba.
4. Indasitiri yezvekudya nezvinonwiwa
Zvinodiwa zvehutsanana hwakasimba uye kuchengetedzeka ndizvo zvinonyanya kuratidzwa neindasitiri yezvikafu nezvinwiwa. Kushanda zvakanaka kwekuvhara uye kuramba ngura kweBellows Sealed Globe Valves kunoita kuti zvikwanise kusangana nezvinodiwa izvi. Semuenzaniso, kambani yekubika doro inoshandisa mavharuvhu ekudzora utsi panguva yekugadzira, ichivimbisa nzvimbo yakachena uye yakachengeteka yekugadzira.
Kuiswa uye Kugadziriswa kweBellows Sealed Globe Valve
1. Kudzivirira Kuiswa
• Kutungamirirwa kwekuisa:Isa vharuvhu zvichienderana nekwairi kuyerera kwemvura, uchiita shuwa kuti mvura iri kuyerera kubva pasi kuenda kumusoro kuti uderedze kuramba kwemvura mukati mevharuvhu.
• Nzira yekubatanidza:Sarudza nzira yakakodzera yekubatanidza (semuenzaniso, yakaputirwa kana yakasungirirwa) zvichienderana nemamiriro chaiwo ekushanda.
• Zvinodiwa Pakuchengetedzwa Kwezvakatipoteredza:Nzvimbo yekuisa inofanira kudzivirira kupisa kwakanyanya, hunyoro, uye nharaunda dzinoparadza kuti iwedzere hupenyu hwevharuvhu.
2. Mazano ekugadzirisa
•Kuongorora Nguva Dzose:Nguva nenguva ongorora mashandiro ekuvhara maburi kuti uve nechokwadi chekuti hapana kubuda kwemvura.
•Kuchenesa & Kuzora Mafuta:Gara uchichenesa kunze kwevharuvhu uye gadzira mafuta evharuvhu kuti isaramba ichinamira.
•Kubata Nenjodzi:Kana maburi akaonekwa kuti abuda, shandisai emergency gland kuti muvhare kwenguva pfupi kudzivirira kuti mvura irambe ichibuda.
3. Zvinhu Zvikuru Zvekugadzirisa
• Kudzivirira Kukundikana:Kupwanyika kwekuneta kwebellows inzira huru yekukundikana; kuongorora nguva dzose kunodiwa. Mamwe magadzirirwo emavharuvhu ane ma cartridge ebellows anogona kutsiviwa kuti zvive nyore kugadzirisa.
• Kukodzera Mamiriro Ezvinhu:Kune nzvimbo dzinopisa zvakanyanya (semuenzaniso, >200°C), tanga nekushandisa mavharuvhu eBellows Sealed Globe esimbi isina ngura kudzivirira kuora kwepakeji.
Mhedziso
Mavharuvhu eBellows Sealed Globe, kuburikidza nehunyanzvi hwekugadzira sealing tekinoroji, anogadzirisa matambudziko ekubuda kwemvura kwemavharuvhu echinyakare. Anobudirira mukushanda kwesealing, kuchengetedzeka, uye kugara kwenguva refu, zvichiita kuti ave rudzi rwevharuvhu runowanzo sarudzwa munzvimbo dzinoda kushandiswa zvakanyanya dzakadai sekugadzirisa makemikari nesimba.
Nguva yekutumira: Nyamavhuvhu-08-2025