Iivalvu zombane mazithathelwe ingqalelo njengemibuzo Indlela yokusebenzisa iivalvu zombane ngokuchanekileyo

Iivalve zombane kufuneka ziqwalaselwe imibuzo Indlela yokusebenzisa iivalve zombane ngokuchanekileyo Kuyilo lobunjineli bombhobho kumashishini ahlukeneyo, ukhetho oluchanekileyo lweevalvu zombane lungenye yezinto ezifunekayo ukuhlangabezana neemfuno zeemeko zokusebenza. Ukuba ukukhethwa kwevalve yombane esetyenzisiweyo ayifanelekanga, akuyi kuchaphazela ukusetyenziswa kwayo, kodwa kwakhona kuzisa imiphumo emibi okanye ilahleko enzima, ngoko ke, iivalve zombane kufuneka zikhethwe ngokuchanekileyo ekuyilweni kobunjineli bombhobho. Okokuqala, indawo yokusebenza yee-valve zechungechunge zombane Ukongeza kwiiparitha zombhobho, i-valve yombane kufuneka ihlawule ngokukodwa kwindawo yokusebenza yombhobho. Ngenxa yokuba isixhobo sombane kwi-valve yombane sisixhobo somatshini kunye nombane, imeko yayo yokusebenza ichaphazeleka kakhulu kwindawo yayo yokusebenza. Kwiimeko eziqhelekileyo, i-valve yombane kwindawo yokusebenza inezi ntlobo ze-11 zilandelayo: 1. Ukufakwa kwangaphakathi okanye ukusetyenziswa kwangaphandle ngamanyathelo okukhusela; 2, ukufakwa kwangaphandle, umoya, isanti, imvula, ilanga kunye nokunye ukubola; 3, enerhasi enokutsha, eqhumayo okanye indawo engqonge uthuli; 4, indawo eshushu nefumileyo, indawo eyomileyo yetropiki; 5, ubushushu bombhobho ophakathi buphezulu ukuya kuma-480℃ okanye ngaphezulu; 6, ubushushu be-ambient bungaphantsi kwe-20℃; 7. Kulula ukukhukuliswa okanye ukuntywiliselwa emanzini; 8, ngezinto ezine-radioactive (amaziko amandla enyukliya kunye nezixhobo zovavanyo lwe-radioactive material) okusingqongileyo; 9. Imeko engqongileyo kwinqanawa okanye kwidokhi (ngetyuwa yokutshiza, isikhunta, imanzi); 10, kunye neziganeko zokungcangcazela ezinobundlobongela; 11, kumathuba omlilo; Kwi-valve yombane kule ndawo ingentla, isakhiwo sayo sombane, izixhobo kunye namanyathelo okukhusela ahlukeneyo. Ke ngoko, isixhobo sombane sevalve ehambelanayo kufuneka sikhethwe ngokwendawo yokusebenza engentla. Ezimbini, iimfuno zomsebenzi we-valve yombane Ngokweemfuno zokulawula ubunjineli, kwi-valve yombane, umsebenzi wayo wokulawula ugqitywe ngesixhobo sombane (uhlobo lokutshintsha, uhlobo lomlawuli). Injongo yokusebenzisa ivalve yombane kukuvula, ukuvala kunye nokulungelelanisa uqhagamshelwano lwevalve ukuze kuphunyezwe ulawulo lombane olungelolwamvelo okanye ulawulo lwekhompyutha. Okwangoku, ukusetyenziswa kwezixhobo zombane akukona nje ukugcina abasebenzi, kuba umsebenzi kunye nomgangatho wabavelisi abahlukeneyo beemveliso bahluke, ngoko ke, ukhetho lwezixhobo zombane kunye nokukhethwa kwevalve kubalulekile ekulinganeni kobunjineli. Isithathu, ulawulo lombane lwevalve yombane Iimfuno eziphakamileyo zokuzenzekelayo kwimizi-mveliso kwilizwe lethu, elinye icala lijongene nokusetyenziswa ngakumbi kwevalve yombane, elinye icala lijongene neemfuno zokulawula ivalve yombane nazo ziphezulu kwaye zinzima ngakumbi. Ngoko uyilo lwevalve yombane kulawulo lombane nalo luhlaziywa rhoqo. Ngokuphuculwa kwenzululwazi kunye neteknoloji, iindlela ezintsha kunye nezahlukeneyo zokulawula umbane ziya kuqhubeka zivela. Ukuqwalasela ulawulo olupheleleyo lwe-valve yombane, ingqalelo kufuneka ihlawulwe ekukhethweni kwendlela yokulawula i-valve yombane. Umzekelo, ngokweemfuno zeprojekthi, nokuba kusetyenziswe imowudi yolawulo oluphakathi, kuseyimowudi yolawulo enye, nokuba ukudibanisa nezinye izixhobo, ulawulo lwenkqubo luselusetyenziso lolawulo lwenkqubo yekhompyuter, njalo njalo, ulawulo lwayo. umgaqo wahlukile. Isampulu enikwe ngumenzi wesixhobo sombane sisikali somgaqo wolawulo lombane, ngoko ke inxalenye yosetyenziso kufuneka ibe lubhengezo lobugcisa kunye nomvelisi wesixhobo sombane ukucacisa iimfuno zobugcisa. Ukongezelela, xa ukhetha iivalve zombane, kufuneka sicinge ukuba sithenge isilawuli esongezelelweyo sombane. Ngokubanzi, umlawuli uthengwa ngokwahlukileyo. Kwiimeko ezininzi, xa usebenzisa ulawulo olulodwa, kuyimfuneko ukuthenga isilawuli, kuba ukuthengwa kwesilawuli kulula kwaye kungabizi ngaphezu koyilo lomsebenzisi kunye nokuvelisa. Xa umsebenzi wokulawula umbane awukwazi ukuhlangabezana neemfuno zoyilo lobunjineli, kufuneka ubekwe phambili kwisityalo sokuvelisa ukuguqula okanye ukuyila kwakhona. Isixhobo sombane seValve sisixhobo esiyimfuneko ukuze siqonde ulawulo lwenkqubo yevalvu, ulawulo oluzenzekelayo kunye nolawulo olukude. Inkqubo yayo yokunyakaza inokulawulwa ngokubetha, i-torque okanye ubungakanani be-axial thrust. Ngenxa yokuba iimpawu zokusebenza kunye nesantya sokusetyenziswa kwesixhobo sombane sevalve sixhomekeke kuhlobo lwesivalo, ukucaciswa kokusebenza kwesixhobo kunye nendawo yevalve kumbhobho okanye izixhobo, ke ngoko, ukhetho oluchanekileyo lwesixhobo sombane sevalve lubalulekile. thintela isenzeko somthwalo ogqithisileyo (i-torque esebenzayo iphezulu kunetorque yolawulo). Ngokuqhelekileyo, ukhetho oluchanekileyo lwesixhobo sombane sevalve ngokusekwe koku kulandelayo: Itorque yokusebenza Itorque esebenzayo yeyona parameter iphambili yokukhetha isixhobo sombane sevalve. I-torque yemveliso yesixhobo sombane kufuneka ibe ngamaxesha angama-1.21.5 i-torque ye-valve yokusebenza i-tripod. Kukho iintlobo ezimbini zesakhiwo somatshini oyintloko wokulawula isixhobo sombane sevalve ye-thrust: enye ayiqwalaselwanga ngediski yokutyhala, i-torque ephuma ngokuthe ngqo; Olunye luqwalaselo lwe-disc ye-thrust, i-torque ye-output nge-thrust disc stem nut kwi-output thrust. Isixhobo sombane sokuphuma kwishaft eqengqelekayo inombolo yeringi yombane kunye nedayamitha yegama lesiqu sevalve, inombolo yomsonto, ngokobalo lwe-M=H/ZS (M yesixhobo sombane kufuneka yaneliswe linani lilonke lamakhonkco aqengqelekayo. , H kumphakamo wokuvula ivalve, S yevalve stem drive thread thread pitch, Z yevalve stem inombolo yomsonto). Idayamitha yesiqu se-multi-turn open-rod valves, ukuba i-stem enkulu ye-diameter evunyelwene ngesixhobo sombane ayinakudlula kwi-valve yesikhondo, ayinakudityaniswa kwivalve yombane. Ngoko ke, i-diameter yangaphakathi ye-hollow output shaft yesixhobo sombane kufuneka ibe mkhulu kunobubanzi bangaphandle besiqu sevalve yentonga evulekileyo. Kwiivalvu zentonga emnyama kwisebe leevalve ezijikelezayo kunye neevalve ezininzi ezijikelezayo, nangona kungafuneki ukuba kuqwalaselwe ububanzi besiqu sevalve, ububanzi besiqu sevalve kunye nobungakanani bendlela ephambili kufuneka kwakhona kuqwalaselwe ngokupheleleyo. ukhetho, ukuze indibano isebenze ngokuqhelekileyo. Ukuba isantya sokuvula kunye nokuvala i-valve yesantya sokuphuma sikhawuleza kakhulu, kulula ukuvelisa i-percussion phenomenon yamanzi. Ngoko ke, isantya esifanelekileyo sokuvula kunye nokuvala kufuneka sikhethwe ngokwemiqathango eyahlukeneyo yokusetyenziswa. Isixhobo sombane se-Valve sineemfuno ezikhethekileyo, oko kukuthi, kufuneka sikwazi ukukhawulela i-torque okanye i-axial force. Ngokubanzi, isixhobo sombane sevalve sisebenzisa isidibanisi sokunciphisa itorque. Xa ukucaciswa kwesixhobo sombane kunqunywe, i-torque yayo yokulawula inqunywe. Ngokuqhelekileyo kwixesha elimiselweyo lokusebenza kwangaphambili, i-motor ayiyi kulayisha ngaphezulu. Kodwa ezifana nezi meko zilandelayo zingakhokelela ekugqithiseni: okokuqala, umbane uphantsi, awukwazi ukufumana i-torque efunekayo, ukwenzela ukuba i-motor iyeke ukuqengqeleka; Okwesibini, indlela yokunciphisa itorque ayilungiswanga kakuhle ukuze ibe nkulu kunayo yonke itorque, okukhokelela kwitorque eqhubekayo, ukuze imotor iphumle; Okwesithathu, ukusetyenziswa okwethutyana, ukonga ubushushu obuveliswayo, ngaphezu koxabiso lobushushu bemoto; Okwesine, ukujikeleza kwendlela yokunciphisa i-torque iyasilela ngenxa yesizathu esithile, ukwenzela ukuba i-torque inkulu kakhulu; Okwesihlanu, ukusetyenziswa kobushushu be-ambient kuphezulu kakhulu, ukuze amandla obushushu emoto anciphe kancinci. Iindlela zangaphambili zokukhusela i-motor kukusebenzisa i-fuses, i-overcurrent relays, i-thermal relays, i-thermostats, njl., kodwa ezi ndlela zineenzuzo kunye nokungonakali. Akukho ndlela yokukhusela ethembekileyo yesixhobo sombane esinomthwalo oguquguqukayo. Ngoko ke, kuyimfuneko ukuthatha iindlela ezahlukeneyo zokudibanisa, zishwankathelwe kwiindidi ezimbini: enye kukumisela ukunyuka okanye ukuncipha kwe-motor input current; Okwesibini kukumisela umkhuhlane wemoto ngokwayo. Ezi ndlela zimbini, nokuba loluphi na uhlobo lobushushu bemoto ukuthathela ingqalelo umda wexesha elinikiweyo. Ukongezelela, indlela yokukhusela isiseko somthwalo ogqithisiweyo kukuba: ukukhuselwa kokugqithiswa kokusebenza ngokuqhubekayo okanye ukusebenza kwendawo yemoto, i-thermostat isetyenziswa; I-Thermal relay isetyenziselwa ukukhuselwa kwe-motor blocking; Kwiingozi zesekethe ezimfutshane, i-fuse okanye i-overcurrent relay isetyenziswa. Indlela yokusebenzisa ivalve yombane ngokuchanekileyo Ulawulo lombane lwevalve yombane ngenxa yenkqubela phambili eqhubekayo yenqanaba leemfuno ze-automation ye-industrial, elinye icala lijongene nokusetyenziswa kweevalvu zombane ezingakumbi nangakumbi, elinye icala lijongene neemfuno zolawulo lweevalvu zombane. phezulu nangaphezulu, ngakumbi nangakumbi. Ngoko ivalve yombane kwicala lolawulo lombane loyilo nayo ihlaziywa rhoqo. Ngokuphuculwa kwesayensi kunye nobuchwepheshe kunye nokuthandwa kwekhompyutheni, iindlela ezintsha kunye neendlela ezahlukeneyo zokulawula umbane ziya kuqhubeka nokunyuka. Ukuqwalasela ulawulo olupheleleyo lwe-valve yombane, ingqalelo kufuneka ihlawulwe ekukhethweni kwendlela yokulawula i-valve yombane. Umzekelo, ngokweemfuno zeprojekthi, nokuba kusetyenziswe imowudi yolawulo oluphakathi, kuseyimowudi yolawulo enye, nokuba ukudibanisa nezinye izixhobo, ulawulo lwenkqubo luselusetyenziso lolawulo lwenkqubo yekhompyuter, njalo njalo, ulawulo lwayo. umgaqo wahlukile. Isampulu enikwe ngumenzi wesixhobo sombane sisikali somgaqo wolawulo lombane, ngoko ke inxalenye yosetyenziso kufuneka ibe lubhengezo lobugcisa kunye nomvelisi wesixhobo sombane ukucacisa iimfuno zobugcisa. Ukongezelela, xa ukhetha iivalve zombane, kufuneka sicinge ukuba sithenge isilawuli esongezelelweyo sombane. Ngokubanzi, umlawuli uthengwa ngokwahlukileyo. Kwiimeko ezininzi, xa usebenzisa ulawulo olulodwa, kuyimfuneko ukuthenga isilawuli, kuba ukuthengwa kwesilawuli kulula kwaye kungabizi ngaphezu koyilo lomsebenzisi kunye nokuvelisa. Xa umsebenzi wokulawula umbane awukwazi ukuhlangabezana neemfuno zoyilo lobunjineli, kufuneka ubekwe phambili kwisityalo sokuvelisa ukuguqula okanye ukuyila kwakhona. Ngokweemfuno zokulawula ubunjineli, umsebenzi wokulawula wevalve yombane ugqitywe ngesixhobo sombane. Injongo yokusebenzisa ivalve yombane kukuvula, ukuvala kunye nokulungelelanisa uqhagamshelwano lwevalve ukuze kuphunyezwe ulawulo lombane olungelulo elenziweyo okanye ulawulo lwekhompyutha. Ukusetyenziswa kwangoku kwezixhobo zombane ayikokugcina nje abasebenzi. Ngenxa yokuba umsebenzi kunye nomgangatho weemveliso zabakhiqizi abahlukeneyo bahluke, ngoko ke, ukukhethwa kwezixhobo zombane kunye nokukhethwa kweevalve kubalulekile ekulinganeni kobunjineli. Kubunjineli bemibhobho, ukhetho oluchanekileyo lwee-valve zombane ngenye yezinto ezifunekayo ukuhlangabezana neemfuno zokusetyenziswa. Ukuba i-valve yombane esetyenzisiweyo ayikhethwanga ngokufanelekileyo, ayiyi kuchaphazela ukusetyenziswa, kodwa iphinde izise imiphumo emibi okanye ilahleko enkulu. Ngoko ke, i-valve yombane kufuneka ikhethwe ngokuchanekileyo kuyilo lobunjineli bombhobho. Ukongeza kwiiparamitha zombhobho, i-valve yombane kufuneka ihlawule ngokukhethekileyo indawo engqongileyo yomsebenzi wayo. Ngenxa yokuba isixhobo sombane kwi-valve yombane sisixhobo somatshini kunye nombane, imeko yayo yokusebenza ichaphazeleka kakhulu kwindawo yayo yokusebenza. Ngokuqhelekileyo, i-valve yombane ikwindawo yokusebenza elandelayo: 1. Ukufakwa kwangaphakathi okanye ukusetyenziswa kwangaphandle kunye namanyathelo okukhusela; 2, ukufakwa kwangaphandle, umoya, isanti, imvula, ilanga kunye nokunye ukubola; 3, enerhasi enokutsha, eqhumayo okanye indawo engqonge uthuli; 4, indawo eshushu nefumileyo, indawo eyomileyo yetropiki; 5, ubushushu bombhobho ophakathi buphezulu ukuya kuma-480℃ okanye ngaphezulu; 6, ubushushu be-ambient bungaphantsi kwe-20℃; 7. Kulula ukukhukuliswa okanye ukuntywiliselwa emanzini; 8, ngezinto ezine-radioactive (amaziko amandla enyukliya kunye nezixhobo zovavanyo lwe-radioactive material) okusingqongileyo; 9. Imeko engqongileyo kwinqanawa okanye kwidokhi (ngetyuwa yokutshiza, isikhunta, imanzi); I-10, kunye neziganeko zokungcangcazela ezinobundlobongela; 11, kumathuba omlilo; Kwi-valve yombane kule ndawo ingentla, isakhiwo sayo sombane, izixhobo kunye namanyathelo okukhusela ahlukeneyo. Ke ngoko, isixhobo sombane sevalve ehambelanayo kufuneka sikhethwe ngokwendawo yokusebenza engentla.