Isixhobo sokwenza iivalvu zasekhaya sisetyenziselwe amashishini ahlukeneyo kuhlalutyo lokuqhelaniswa nophuhliso lwemarike yevalvu yexesha elizayo

I-valve actuator yasekhaya isetyenziselwe amashishini ahlukeneyo kuhlalutyo loqhelaniso lophuhliso lwemarike yevalufa kwimarike yeValve kwinkqubo yophuhliso lwentlalo noqoqosho, njengenyathelo eliphambili lokulungiselela ishishini lemveliso kwangaphambili, inendima ebaluleke kakhulu. Ngenxa yokuba kusekho umahluko othile phakathi kwenqanaba lasekhaya nelamazwe ngamazwe elikhokelayo lokusetyenzwa kwevalvu yaseTshayina kunye neshishini lokuvelisa, iiparamitha ezininzi eziphambili, uxinzelelo oluphezulu kunye nobushushu obuphezulu, iklasi ephezulu yeeponti yeevalvu ezibalulekileyo ziye zathembela ekungenisweni kwamanye amazwe. Ukuze kukhuthazwe ukwenziwa kwevalve ekhaya, emva komcimbi othi "Ezinye Iimbono malunga nokukhawulezisa ukuvuselelwa kweshishini lokuvelisa izixhobo", amasebe aseburhulumenteni afanelekileyo ngokwezixhobo ezibalulekileyo ezenziwe lilizwe lethu ukuba zifuywe ekhaya, zenze uthotho. kwezigqibo ezinkulu kunye nokuthunyelwa, kwaye ke yiKomishoni yoPhuhliso kunye noHlaziyo lweSizwe, i-Federation of Chinese Machinery Industry kunye ne-China General Machinery Industry Association kunye, siye saqulunqa isicwangciso sevalvu yendawo yezixhobo eziphambili kumashishini afanelekileyo, kwaye silungelelanise amasebe amaxesha amaninzi. Ngoku i-valve yendawo ifikelele kwimvumelwano kwintsimi yeevalvu e-China. I-actuator yevalvu yasekhaya isetyenziswe kumashishini ahlukeneyo Ingoma ye-Yinli, unobhala jikelele woMbutho weValve yaseTshayina, ubonisa ukuba kwinqanaba langoku, uninzi lwe-actuator yevalvu yasekhaya inokuhlangabezana nokhuseleko kunye nokusebenza okuthembekileyo kweeyunithi zokuvelisa amandla obushushu, kwaye iyimfuneko. iimeko kunye nobuchule bendawo. I-Actuator yeyona nkqubo yokulawula ivalvu ibaluleke kakhulu, ngokweempawu zesakhiwo sokwahlula kwi-actuator yombane, i-pneumatic actuator, i-vapor-liquid actuators kunye ne-hydraulic actuators; Ngokutsho kwecandelo lomsebenzi unokwahlulwa kuhlobo lokutshintsha amandla kunye nodidi lwesilawuli ezimbini. Okwangoku, iyunithi yokuvelisa amandla obushushu aphezulu kakhulu (ephezulu) isetyenziswa kwindlela yokuphumeza ukungenisa elizweni njengekhokelayo. I-kilowatt nganye ye-ultra (ultra) ixabiso elibalulekileyo leseti yokuvelisa amandla ashushu kufuneka ixhotyiswe nge-actuator yombane iiseti ezingama-600, i-pneumatic actuator iiseti ezingama-200, iiseti ezingama-20 zolwelo oludityanisiweyo kunye ne-hydraulic actuator encinci. Kweli nqanaba langoku, i-kilowatt phezu (ngaphezulu) ixabiso elibalulekileyo lokuvelisa umbane wokuvelisa umbane wesixhobo sokulawula uqikelelwa malunga ne-15% yexabiso lexabiso lemveliso yengingqi *, ixabiso lempahla yorhwebo evela kumazwe angaphandle imalunga nama-85%, ngakumbi. ekuhlengahlengisweni kokuphunyezwa komlinganiselo wendawo ayikho i-10%. Kwicala leziko lokufudumeza (kubandakanya i-desulfurization kunye nokususwa kothuli), ivalve yokungenisa umoya kunye nezinye i-actuator yombane exhasayo zibone izinto ezininzi ezithunyelwa ngaphandle; Iivalvu ezimbalwa ezingabalulekanga kwicala le turbine yomphunga kunye nenxalenye yamanzi ziyasebenza kwi-actuator yombane yasekhaya; Uninzi lwee-actuator ze-pneumatic zikhetha iimpahla ezivela kumazwe angaphandle; Uxinzelelo olusebenzayo ludlula i-16MPa, iqondo lobushushu liphezulu kune-540 ℃, i-valve engundoqo zimveliso ezithunyelwa ngaphandle. Izizathu ezibalulekileyo zabathengi ukuba basebenzise i-actuator ye-valve ephezulu: A, iimpahla ezithunyelwa kwamanye amazwe zibona i-actuator epheleleyo ehlakaniphile, isakhiwo esihlangeneyo, i-posture kunye nesantya sokuhambisa umqondiso sikhawuleza, sinokufikelela kwi-remote transmission, ukulungiswa kunye nokuphathwa kwempazamo kulula kwaye kulula, kunokufezekisa ukuhanjiswa kabini, Uhlengahlengiso lwe-PID, ukulinganisa okuzenzekelayo, ukulinganisa kunye nokuxilongwa, i-amplifier kunye ne-actuator kwinkqubo edibeneyo, ukusebenza kakuhle okuguquguqukayo, ukuchaneka okuphezulu, Kodwa ixesha lokuhambisa lide kwaye ixabiso liyabiza; Ezimbini, super (super) ixabiso elibaluleke kakhulu ivalve yendawo enokwenzeka incinci kakhulu, uninzi lweevalvu ezibalulekileyo zimpahla ephuma kumazwe angaphandle, kwaye uninzi lweevalvu ezisuka kumazwe angaphandle zixhasa ngokukhawuleza izixhobo eziphuma kumazwe angaphandle. Kunye nokuphunyezwa kunye nokwenziwa komsebenzi obalulekileyo wevalve yasekhaya yeseti yokuvelisa amandla obushushu aphezulu (super) ixabiso elibalulekileyo, umyinge wevalve yasekhaya iyenyuka, kunye ne-actuator yepneumatic ngokubanzi isebenzisa umzi-mveliso wevalve ukwenza indlela yokuxhasa kwangoko, Ukhetho lwe-activator yomlinganiselo wasekhaya luya kwanda. Umsantsa obalulekileyo phakathi kweTshayina kunye ne-activators zombane zangaphandle kuxhomekeke: 1. Kukho umehluko omncinci phakathi kozinzo lwe-activator yamandla kunye neemveliso ezithunyelwa ngaphandle, kwaye izinga lokungaphumeleli kwezixhobo liphezulu, ngoko abathengi abakhululekile kakhulu; 2. Ukungabikho kwe-actuator yombane kunye nokujikeleza okukhulu kunye nokujikeleza kwesantya esiphezulu, esingenako ukuhlangabezana neemfuno zomsebenzisi; 3. I-activator yohlengahlengiso ibonakala ikakhulu ngokuchaneka, ukuzinza kunye namazwe angaphandle anomahluko othile. Akukho mahluko mkhulu kumzimba ophambili we-actuator ye-pneumatic. Kukho umahluko obonakalayo kubomi benkonzo yesixhobo sokumisa, i-relay, isidluliseli esikrelekrele, izixhobo ezixhasayo ezipheleleyo kunye neziqwenga zevalvu ezisetyenziswa ekusebenzeni. Bambalwa abavelisi basekhaya be-steam kunye ne-actuator yamanzi, ezinye iinkampani zineemveliso ezilungileyo, kodwa amashishini amaninzi anesithuba sokuthembeka komgangatho wemveliso kunye nokuzinza kunye namazwe angaphandle; I-hydraulic activator eqhubekayo ayikhethekileyo kwimveliso kwilizwe lethu. Kodwa le mveliso isetyenziselwa kuphela kwiindawo apho ukutshintshwa ngokukhawuleza kuchazwe khona, kwaye imfuno incinci kakhulu. Kwiminyaka yakutshanje, inkqubo yolawulo yaseTshayina kunye neshishini lemveliso liphucule iingenelo zalo kuphando lwemveliso kunye nophuhliso, ukwenziwa kunye novavanyo lwempahla, kunye nenqanaba lolawulo lomgangatho walo lonyuswe kakhulu. Iimveliso zamashishini angundoqo obugcisa ziye zafikelela okanye zafikelela kwinqanaba eliphezulu phesheya kolwandle, kwaye ezinye zeemveliso ziye zasetyenziswa ngokuthe ngcembe kwiiyunithi zokuvelisa amandla obushushu kunye nezixhobo ezahlukeneyo zepetrochemical ezingaphezulu (ngaphezulu) kwexabiso elibalulekileyo. Kwinqanaba le-actuator yombane, Inxalenye ye-actuator yombane eveliswe yi-Changzhou Power Plant Boiler Auxiliary Machinery Co., LTD., Yangzhou Electric Power Machinery and Equipment Repair Factory, Yangzhou Hengchun Electronics Co., LTD., Tefulong Investment Co. , LTD., Tianjin Ecotte Measurement and Control Technology Co., LTD., kunye neShenzhen Southern Area American General Electric Co., LTD., zisetyenziselwe ukuvelisa ngaphezulu (ngaphezulu) kweeyunithi ezibalulekileyo zokuvelisa amandla obushushu. Kwinqanaba le-actuator ye-pneumatic, akukho phawu lukhethekileyo kwimveliso kunye nokuveliswa kwe-actuator ye-pneumatic valve e-China. Ngokubanzi, i-actuator yepneumatic yenziwa ngumenzi wevalvu. Hunan Power Grid Construction Corporation Co., LTD., Shanghai Walde Power Plant Valve Co., LTD., Shanghai Instrument No. 7 Factory kunye nezinye iinkampani ngaphezu (ngaphezulu) ixabiso elibalulekileyo lokuvelisa umbane oshushu iseti yokuvelisa umbane oxhasa inxalenye yeevalvu zomoya usebenzisa ii-activators zasekhaya. Iziphumo zesicelo zibonisa ukuba uninzi lwee-actuator zevalvu zasekhaya zinokuhlangabezana nokhuseleko kunye nokusebenza okuthembekileyo kweeyunithi zokuvelisa amandla obushushu, kwaye zineemeko eziyimfuneko kunye nobuchule bokwenza indawo. Kwangaxeshanye, i-valve actuator yasekhaya ikwasetyenziswa ngokubanzi kwiziko lamandla enyukliya, kwishishini lesinyithi, ukucocwa kogutyulo kunye nepetroleum kunye namashishini epetrochemical. Intshayelelo: Ngokuqalisa kweeprojekthi zenkulungwane eziliqela ezifana nokuhanjiswa kwerhasi yaseSichuan ukuya empuma, iprojekthi esibhozo ethe tyaba ethe tyaba ethe tyaba ngokuthe nkqo, emzantsi-emantla, imfuno yezinto zevalvu kunye nezibonelelo zenkonzo iye yanda kakhulu; Ukongeza, kwilizwe lethu sijongene nokufika kwexesha le-modernization, ishishini le-petrochemical, amashishini ombane ombane, iiyunithi zoshishino lwesinyithi, imboni yokuvelisa imichiza kunye nokucwangciswa kwedolophu kunye nokusetyenziswa kokwakhiwa kwamakhaya amakhulu kuya kuphucula imfuno yeemveliso zevalve. Iqhutywa ngamandla amakhulu amane, ushishino, ukurhweba ezidolophini kunye noqoqosho lwehlabathi jikelele, izixhobo eziphezulu zokuthengisa izixhobo ezithengiweyo okanye ezibanzi, ukusebenzelana kwamazwe ngamazwe, ukwenziwa kwendawo, ubukrelekrele, kuya kuba yinto ephambili yophuhliso loshishino lwevalvu yexesha elizayo kwilizwe lethu. Uhlalutyo lokuqhelaniswa nophuhliso lwemarike yevalufa yekamva Ithemba lendawo yeValve inokulindelwa Okwangoku, ishishini lemichiza yepetroleum kwilizwe lethu liphuhlisela ukungenisa endaweni, ushishino kunye norhwebo lwehlabathi, kwaye luya kugcina ingqikelelo yophuhliso oluzinzileyo kwiminyaka emi-5 ezayo. E-China, iiseti ezininzi zeeyunithi ezingaphezulu kwezigidi ezilishumi zeetoni zokusulungekiswa kwe-oyile kunye nesigidi seetoni zeeyunithi ze-ethylene ziya kwenziwa ngokutsha kwaye zandiswe, zidale indawo yophuhliso ebanzi yeemfuno zeevalvu zepetrochemical. Ukongeza, iintlobo ezahlukeneyo zeempompo ezisebenza kwiindawo zokucocwa kweoyile zaseTshayina sele zindala kwaye ziguga, zifuna ukuhlaziya nokulungiswa ngokukhawuleza. Kumashumi eminyaka akutshanje, umgaqo-nkqubo waseTshayina kunye nokusingqongileyo kwezoqoqosho kuye kwaba ngcono, ukubonelela ngemigangatho yendlela yophuhliso eluncedo kushishino lwevalvu. Ipetrochemical yaseTshayina kunye namanye amashishini kunye noomatshini kunye nezixhobo zidibana nexesha lomjikelo wokudilizwa, inani lezixhobo ezisanda kwenziwa likhulu, eyona mfuno yentengiso yevalvu inkulu, kwaye kuqikelelwa ukuba kule minyaka imbalwa izayo, intsimi yevalvu iya kuba nayo. uphuculo olukhulu. Ngokwexabiso, ixabiso lemarike yevalve lizinzile kwiminyaka yamuva nje, nangona unyaka ngamnye uhlengahlengiso, kodwa amandla awakhulu, ithemba leshishini lithembisa kakhulu. Ngokubhekiselele kububanzi, ngokweenkcukacha zobalo lwedatha ye-China Statistical Bureau ngo-2009 ibonisa, isikali sokwenza iivalvu zelizwe lethu singaphezulu kwe-1700, ivalvu yemveliso kunye neyokuvelisa isondele kwi-4 yezigidi zeetoni. Kwiminyaka emi-5 ezayo, iivalvu zepetrochemical ngokungathandabuzekiyo ngabona mandla aphambili eemfuno, ngakumbi uxinzelelo oluphezulu kunye neevalvu zobushushu obuphezulu, iivalvu zeqondo eliphantsi kakhulu kunye neevalvu zamaqondo obushushu, iivalvu zentsimbi engatyiwa ngumhlwa, ukuthuthwa kwezinto ezibonakalayo okanye iivalvu zensimbi engenasici. kunye nenkqubo yokuvelisa i-particulate emisiweyo iya kukhula ngokukhawuleza, imfuno iya kunyuka kakhulu. Itekhnoloji ye-automation yindlela yexesha elizayo Umkhombandlela wophuhliso lwevalve yetekhnoloji ye-automation kufuneka ibe yinkampani yasekhaya lithuba lokuphuhlisa umkhwa, ngoku indawo yevalvu yasekhaya kufuneka ibone ukuba ixabiso lokuthumela ngaphandle kwevalve yetekhnoloji ye-automation ingaphantsi kwe-5% yexabiso lilonke. , umthamo wokungenisa kunye nexabiso lilonke kakhulu, nto leyo ebonisa ukuba imfuno yesizwe ye-automation technology valve okanye kakhulu, imveliso evela kubuchwepheshe, umgangatho kwaye kukho umahluko omkhulu, Akwanelanga ukuhlangabezana neemfuno zemarike yaseTshayina. Ke ngoko, amashishini evalvu kufuneka abambe ngokuqinileyo uphuhliso lwendawo yevalvu yetekhnoloji ezenzekelayo, ukwandisa isabelo semarike kunye nomgangatho wemveliso. Ngaphantsi kwemeko yophuhliso olukhawulezayo loqoqosho lwentlalo lwangoku, itekhnoloji ye-automation ngokungathandabuzekiyo yindlela yophuhliso loluntu. Ke ngoko, amashishini eevalvu kufuneka alandele umkhwa jikelele wophuhliso lwentlalo noqoqosho ukuze afumane indawo eqinileyo kukhuphiswano. Iiseti ezipheleleyo zezixhobo, ukubekwa emgangathweni yindlela yophuhliso Ngophuhliso lwemveliso yanamhlanje yemizi-mveliso, imfuno yeevalvu kunye nezinye iimveliso kwishishini lepetrochemical likwabonisa umkhondo wobuchwephesha bobuchwephesha, ukubekwa emgangathweni, ukungenisa endaweni, iiseti ezipheleleyo zezixhobo, kunye nokunyuka okuphezulu. iimfuno zokhuseleko lokusingqongileyo kunye nokonga amandla. Iivalvu ziya kungenisa amathuba amatsha kunye neendawo zokujika ngenxa yokudityaniswa komatshini kunye neevalvu zobunjineli zombane. Imarike kufuneka inyuke kancinci kancinci kumatshini kunye neevalvu zobunjineli zombane. Imarike yokuthengisa ngokwenene inethemba elinokubakho lophuhliso, kodwa kwangaxeshanye, umgangatho weemveliso kunye nemimiselo nazo ziphezulu. Iimveliso zentsimi yevalvu zingene kwinqanaba lokuyila, hayi iintlobo zemveliso ekufuneka ziphuculwe, kwaye ulawulo lwangaphakathi lweshishini kufuneka luqhutywe ngokwemigangatho yoshishino. Nangona uphuhliso lwemarike yevalvu luzinzile kwixesha elide, kusekho ukhuphiswano olungelulo oluqhelekileyo kwishishini. Umzekelo, abanye abaqhubi baqhuba intengiso yesibini yemarike ngokokulungiswa kunye nokupeyintwa kwakhona kwevalve eshiyiweyo, ezisa imingcipheko emandla yokhuseleko kumgangatho wokwakha kwaye iphazamise kakhulu ulongamelo lwemarike yevalvu. Ngophuculo oluthe chu kwindlela yophuhliso lwemarike, indlela yophuhliso lwemithetho nemimiselo, indawo yevalvu yexesha elizayo iya kujongana nemeko engcono yokhuphiswano. Kwaye ngenxa yokuveliswa kwemveliso yemimiselo yomgangatho wemveliso ecwangcisiweyo ngakumbi kwaye uluntu luya kuphucula ingcamango yokukhusela okusingqongileyo kunye nokugcinwa kwamandla, intsimi yevalve iya kuba yindlela yophuhliso lweendlela ezimbini, enye isuka kudidi olulodwa ukuya kwiimveliso ezahlukeneyo kunye iinkcukacha ezininzi kunye neemodeli, okwesibini kukhuseleko lokusingqongileyo kunye nophuhliso lokonga amandla. Ke kwixesha elizayo, indawo yevalvu iya kuba ngakwicala lesibini elibonisa ukuba umenzi wevalvu uya kunika yonke imeko iya kuba nkulu nangakumbi.