Amavalvu acushwe ngumoyaziyizingxenye ezibalulekile ezinhlobonhlobo zezinqubo zezimboni, ezilawula ngokuphumelelayo ukugeleza koketshezi namagesi. Lawa ma-valve ayasebenzaama-actuator we-pneumaticukuvula nokuvala ngokuzenzakalelayo umshini, okuvumela ukulawulwa okunembile kokugeleza nokucindezela. Kulesi sihloko, sizohlola izinhlobo ezahlukene zama-valve asebenza emoyeni, okuhlanganisa ama-valve ebhola asebenza emoyeni, ama-butterfly valves, ama-gate gate, ama-globe valves, nama-SDV valves, sigxile ezicini zawo eziyingqayizivele kanye nezinhlelo zokusebenza.
Iyini i-valve ye-pneumatically actuated
I-valve ye-actuator yomoya iyisisetshenziswa esisebenzisa umoya ocindezelwe ukuze sisebenzise umshini wevalvu. I-actuator iguqula amandla emoyeni ocindezelwe abe ukunyakaza komshini, ukuvula noma ukuvala i-valve. Lolu hlobo lokuzenzakalela lubalulekile ezimbonini lapho ukusebenza ngezandla kungenzeki noma kungaphephile, njengokucutshungulwa kwamakhemikhali, uwoyela negesi, ukuhlanza amanzi, kanye nokukhiqiza.
Izinzuzo eziyinhloko zama-valve asebenza emoyeni yijubane nokuthembeka kwawo. Angasebenza ngokushesha, okuwenza alungele izinhlelo zokusebenza ezidinga izikhathi zokuphendula ngokushesha. Ngaphezu kwalokho, izinhlelo ze-pneumatic ngokuvamile zilula futhi zingabizi kakhulu kunezinhlelo zikagesi noma ze-hydraulic, okwenza zidume ezindaweni eziningi zezimboni.
Izinhlobo ze-Pneumatic Actuators
1. I-valve yebhola yomoya
I-Pneumatic Actuator Ball Valvesaklanywe nge-disc eyindilinga (ibhola) ukulawula ukugeleza koketshezi ngevalvu. Uma ibhola lizungeza amadigri angu-90, livumela noma livimbe ukugeleza koketshezi. Lawa mavalvu aziwa ngamakhono awo amahle kakhulu okuvala kanye nokwehla kwengcindezi encane, okuwenza afanelekele izinhlelo ezibandakanya uketshezi olunomfutho ophezulu.
Ama-valve ebhola avame ukusetshenziswa ezimbonini zikawoyela negesi, eziphakela amanzi kanye nasezimbonini zokucubungula amakhemikhali. Ama-valve ebhola ayashesha ukusebenza, aqinile futhi ayinketho yokuqala yezinhlelo zokulawula zokuvula/ukuvala.
2. I-valve uvemvane womoya
Ama-valve ovemvane asebenzisa i-disc ejikelezayo ukuze alawule ukugeleza. I-disc ifakwe ku-shaft futhi ingashintshwa ukuze ivule noma ivale i-valve.Ama-valve uvemvane we-actuator ye-pneumaticziwusizo ikakhulukazi ezinhlelweni ezidinga amazinga okugeleza aphezulu kanye nokwehla kwengcindezi ephansi.
Lawa ma-valve awasindi futhi ahlangene, okuwenza alungele ukufakwa lapho isikhala silinganiselwe. Ngenxa yokusebenza kahle kwawo okuphezulu nokugcinwa kwawo kalula, asetshenziswa kakhulu ezinhlelweni ze-HVAC, izindawo zokuhlanza amanzi, nezimboni ezilungisa ukudla.
3. I-valve yesango lomoya
Ama-valve esango aklanyelwe ukunikeza indlela yokugeleza eqondile, ukunciphisa ukulahlekelwa kwengcindezi. Basebenza ngokuphakamisa isango kude nomzila wokugeleza, okuvumela ukugeleza okugcwele lapho kuvuliwe.Amavalvu esango asebenze ngomoyazivame ukusetshenziswa ezinhlelweni ezidinga isigxivizo esiqinile, njengezinhlelo zokuhlinzeka ngamanzi namapayipi kawoyela.
Ngenkathi ama-valve esango engafaneleki ezinhlelweni zokudonsa umoya, ahamba phambili ezimeni zokulawula zokuvula/ukuvala. Ukwakhiwa kwabo okumazombezombe kanye nekhono lokumelana nezingcindezi eziphezulu kubenza bafaneleke ezinhlobonhlobo zezicelo zezimboni.
4. I-valve yeglobu ye-pneumatic actuator
I-valve yeglobe inomzimba oyindilinga futhi isetshenziselwa ukudonsa umoya. I-disc ihamba nge-perpendicular ekuqondeni koketshezi, ivumela ukulawula okunembile kokugeleza. Amavalvu eglobhu asebenza emoyeni avame ukusetshenziswa ezinhlelweni lapho ukulawulwa kokugeleza kubaluleke kakhulu, njengezinhlelo zesitimu nokucutshungulwa kwamakhemikhali.
Lawa ma-valve ahlinzeka ngokulawula okuhle kakhulu kokugeleza futhi afanele izicelo zokucindezela okuphezulu. Kodwa-ke, bangaba nokwehla kwengcindezi ephakeme kunezinye izinhlobo zama-valve, okubenza bangafaneleki kakhulu ezinhlelweni ezidinga ukumelana okuncane.
5. I-valve ye-SDV (i-valve yokuvala)
Ama-shutoff valves (SDVs) angamathuluzi okuphepha abalulekile asetshenziswa ezimbonini ezihlukahlukene ukuvimbela ukuhamba kwezinto eziyingozi ngesikhathi sezimo eziphuthumayo noma ukulungiswa. Amavalvu e-SDV asebenza emoyeni aklanyelwe ukuvala ngokushesha nangokuphepha, ukuqinisekisa ukuthi ukugeleza kuyamiswa ngokushesha lapho kudingeka.
Lawa ma-valve avame ukusetshenziswa ezindaweni zikawoyela negesi, izitshalo zamakhemikhali, nezinye izindawo eziyingozi kakhulu. Ukuthembeka kwazo kanye nesikhathi sokuphendula ngokushesha sizenza zibaluleke ekugcineni ukuphepha nokuthobela imithetho yemboni.
Ukusetshenziswa kwe-Pneumatic Actuator Valve
Amavalvu asebenza emoyeni asetshenziswa ezimbonini eziningi ngenxa yokuguquguquka nokusebenza kahle kwawo. Ezinye izinhlelo zokusebenza ezijwayelekile zifaka:
- Ukucubungula Amakhemikhali: Ama-valve asebenza ngomoya asetshenziselwa ukulawula ukugeleza kwamakhemikhali kuma-reactors, mixers namathangi, ukuqinisekisa ukulinganisa okunembile nokuxuba.
- Amafutha Negesi: Lawa ma-valve adlala indima ebalulekile ekulawuleni ukugeleza kukawoyela ongahluziwe, igesi yemvelo, kanye nemikhiqizo ecolisisiwe kumapayipi nasezikhungweni zokucubungula.
- Ukwelapha Amanzi: Izitshalo zokuhlanza amanzi zisebenzisa ama-valve asebenza umoya ukuze alawule ukugeleza kwamanzi namakhemikhali asetshenziswa enqubweni yokuhlanza.
- Amasistimu we-HVAC: Ezinhlelweni zokushisisa, zokungenisa umoya, nezipholile, lawa mavalvu asiza ukulawula ukugeleza komoya nezinga lokushisa, ngaleyo ndlela athuthukise ukusebenza kahle kwamandla nokunethezeka.
- Ukudla Nesiphuzo: Ama-valve asebenza emoyeni asetshenziswa ekucubunguleni ukudla ukuze kuqinisekiswe ukuphathwa okuphephile nokusebenza kahle kwezithako nemikhiqizo.
Ekuphetheni
Ama-valve asebenza nge-pneumaticallyziyingxenye ebalulekile yezinqubo zesimanje zezimboni, ezihlinzeka ngokulawula okuthembekile nokuphumelelayo kokugeleza koketshezi negesi. Amavalvu asebenza ngomoya atholakala ngezinhlobo ezihlukahlukene, okuhlanganisa amavalvu ebhola, amavalvu ovemvane, amavalvu esango, ama-globe valves, namavalvu e-SDV, okuvumela izimboni ukuba zikhethe inketho efaneleke kakhulu yohlelo lwazo oluthile. Ukuqonda izici eziyingqayizivele kanye nezinzuzo zohlobo ngalunye lwe-valve ye-pneumatically-actuated kubalulekile ekuthuthukiseni ukusebenza nokuqinisekisa ukusebenza okuphephile kwezimboni. Njengoba ubuchwepheshe buqhubeka buthuthuka, indima yama-valve asebenza emoyeni ekuthuthukiseni ukusebenza kahle kwenqubo nokwethembeka izobaluleka nakakhulu.
Isikhathi sokuthumela: Mar-12-2025