Ivalve yombane yendlela yokusebenza eneenkcukacha ivelufa yombane kufuneka iqwalaselwe

Ivalve yombane iindlela zokusebenza ezineenkcukacha Ivalve yombane kufuneka ithathelwe ingqalelo Umatshini olungileyo, ukuba ube neendlela zokulawula ezichanekileyo, into ephambili kukuba nomsebenzi owaneleyo wokulungiselela phambi kokulawula. Indlela yokusebenza eneenkcukacha zevalve yombane ibandakanya umsebenzi wokulungiselela phambi kokusebenza kunye nemicimbi yoqwalaselo xa umsebenzi uziziqwenga ezibini, njengoko kuchazwe ngokweenkcukacha ngolu hlobo lulandelayo: 1. Umsebenzi wokulungiselela phambi kokuphathwa 1. Ngaphambi kokuba usebenze ivalve, kufuneka ngokwenene. funda imiyalelo yokusebenza. 2. Ukuhamba kwegesi kufuneka kucace ngaphambi kokuba kusebenze, kwaye uphawu lokuvula kunye nokuvala kufuneka luhlolwe. I-3, jonga ukubonakala kwevalve yombane ukuze ubone ukuba i-valve yombane imanzi, ukuba kukho umswakama wokomisa unyango; Ukuba kukho ezinye iingxaki ekufuneka kujongwane nazo kwangethuba, hayi ukusebenza ngempazamo. 4. Kwisixhobo sombane esiye sasetyenziswa ngaphezu kweenyanga ezi-3, jonga i-clutch ngaphambi kokuba uqale, uqinisekise ukuba isibambo sikwimo yezandla, uze ukhangele i-insulation, i-steering kunye nemigca yombane ye-motor. Amanyathelo amabini, amanyathelo okhuseleko okusebenza kwevalvu yombane 1. Xa uqalisa, qiniseka ukuba isiphatho se-clutch sikwindawo ehambelana nayo. 2. Ukuba i-valve yombane ilawulwa kwigumbi lokulawula, setha ukutshintshwa kokutshintshwa kwi-REMOTE isikhundla, kwaye emva koko ulawule ukutshintsha kwe-valve yombane ngokusebenzisa inkqubo ye-SCADA. I-3, ukuba ulawulo lwezandla, ukutshintshwa kokutshintshwa kwi-LOC> 4, ukusetyenziswa kwevalve yokulawula intsimi, kufuneka kujongwe ukuvuleka kwevalve kunye nokuvala isalathisi kunye nokusebenza kwe-stem, ukuvula i-valve kunye ne-degree yokuvala kufuneka ihlangabezane neemfuno. I-5, ukusetyenziswa kokulawulwa kwentsimi ye-valve evaliwe ngokupheleleyo, ngaphambi kokuba i-valve ivalwe endaweni, kufuneka imise i-valve yombane, sebenzisa i-valve ukuvala indawo. I-6, i-stroke kunye nesilawuli se-torque esiphezulu emva kokuseta ivalve, ivule ngokupheleleyo okanye ivalwe ngokupheleleyo ivalve, kufuneka inikele ingqalelo kulawulo lwe-stroke, njengokutshintsha kwevalve kwindawo ngaphandle kokuphumla, kufuneka ikhawuleze ukucima kukaxakeka. . 7. Kwinkqubo yokuvula nokuvala i-valve, xa ukukhanya kwesalathisi somqondiso kufunyenwe kungalunganga kwaye i-valve inesandi esingaqhelekanga, kufuneka imiswe ukuze ihlolwe ngexesha. 8. Emva kokusebenza ngempumelelo, ukunikezelwa kwamandla e-valve yombane kufuneka kuvalwe. 9. Xa usebenza iivalve ezininzi ngexesha elifanayo, kufuneka sinikele ingqalelo kulandelelwano lokusebenza kwaye sihlangabezane neemfuno zenkqubo yokuvelisa. 10. Xa uvula i-valve ye-diameter enkulu kunye ne-valve yokudlula, ukuba umehluko woxinzelelo phakathi kweziphelo zombini mkhulu, i-valve yokudlula kufuneka ivulwe kuqala ukulungelelanisa uxinzelelo, kwaye emva koko i-valve engundoqo: emva kokuba i-valve engundoqo ivuliwe, i-valve yokudlula. ivelufa kufuneka ivalwe ngoko nangoko. 11. Xa ufumana kwaye uthumela ibhola yehagu (isixhobo), ivalve yebhola edlula kuyo kufuneka ivuleke ngokupheleleyo. I-12, ivalve yebhola yokulawula, ivalve yesango, ivalve yeglowubhu, ivalve yebhabhathane inokuvulwa ngokupheleleyo okanye ivalwe kuphela, ayivumelekanga ngokungqongqo ukulungiswa. 13. Kwinkqubo yokusebenza kwe-valve yesango, i-valve yokumisa kunye ne-valve yeplate, xa ivaliwe okanye ivulwe kwindawo ephezulu yokufa okanye kwindawo esezantsi efileyo, kufuneka ijike i-1/2 ~ 1 isangqa. 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 ezinzima. 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. Kwiimeko eziqhelekileyo, i-valve yombane kwindawo yokusebenza inezi ntlobo zilandelayo: 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. 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. Isithathu, ulawulo lombane lwevalve yombane ngenxa yenkqubela phambili eqhubekayo kwinqanaba leemfuno ze-automation ye-industrial, elinye icala lijongene nokusetyenziswa kwevalve yombane ngakumbi nangaphezulu, elinye icala lijongene neemfuno zokulawula ivalve yombane iya kuba phezulu. kwaye phezulu, 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. 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 lusekelwe koku kulandelayo: Itorque esebenzayo Itorque yokusebenza iyona parameter iphambili ekukhetheni isixhobo sombane sevalve, kunye netorque ephumayo yesixhobo sombane kufuneka ibe ngamaxesha angama-1.21.5 wetorque yombane. isifanisi sokusebenza kwevalvu. 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 isixhobo sombane sivumela isiqu esikhulu ngokwentelekiso isiqu asikwazi ukudlula kwisikhondo sevalve yevalve, 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. Ngaphambili, indlela yokukhusela i-motor kukusebenzisa i-fuse, i-overcurrent relay, i-thermal relay, i-thermostat, 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. Ngokuqhelekileyo, indlela yokukhusela isiseko somthwalo ogqithisiweyo kukuba: ukukhuselwa kokugqithiswa kokusebenza kwemoto okuqhubekayo okanye ukusebenza kwamanqaku, i-thermostat isetyenziswa; I-Thermal relay isetyenziselwa ukukhuselwa kwe-motor blocking; Kwiingozi zesekethe ezimfutshane, i-fuse okanye i-overcurrent relay isetyenziswa.