Domestic valve actuator yakhala ikugwiritsidwa ntchito m'mafakitale osiyanasiyana pakuwunika kwamtsogolo kwa msika wa valve

Domestic valve actuator yakhala ikugwiritsidwa ntchito m'mafakitale osiyanasiyana pakuwunika kwamtsogolo kwa msika wa valve Valve msika wapakatikati pazachuma komanso chitukuko, monga gawo lofunikira pokonzekera makampani opanga pasadakhale, ali ndi gawo lofunikira kwambiri. Chifukwa pakadali kusiyana pakati pa zoweta ndi mayiko otsogola mlingo wa Chinese valavu processing ndi makampani kupanga, magawo ambiri mkulu, kopitilira muyeso-kuthamanga kwambiri ndi kutentha, mkulu mapaundi kalasi ya mavavu zofunika akhala akudalira kunja. Pofuna kulimbikitsa ntchito yoweta valavu, pambuyo pa nkhani ya "Maganizo Ena pa kufulumizitsa kukonzanso kwa mafakitale opanga zida", madipatimenti a boma oyenerera malinga ndi zipangizo zofunika zomwe dziko lathu limapanga kuti zikhale zoweta, apanga mndandanda. zisankho zazikulu ndi kutumizidwa, kenako ndi National Development and Reform Commission, Federation of Chinese Machinery Viwanda ndi China General Machinery Viwanda Association pamodzi, tapanga dongosolo lokhazikitsa ma valve a zida zazikulu m'mafakitale ofunikira, ndipo tagwirizananso ndi zofunikira. madipatimenti nthawi zambiri. Tsopano kukhazikitsidwa kwa ma valve kwafika pa mgwirizano m'munda wa ma valve ku China. Zoweta valavu actuator wakhala ntchito m'mafakitale osiyanasiyana Song Yinli, mlembi wamkulu wa Chinese valavu Association, limasonyeza kuti pa siteji panopa, ambiri a m'banja valavu actuator akhoza kukumana chitetezo ndi ntchito odalirika mayunitsi matenthedwe mphamvu m'badwo, ndipo ali chofunika mikhalidwe ndi kuthekera kwa kukhazikika. Actuator ndiye njira yofunika kwambiri yowongolera ma valve, malinga ndi mawonekedwe agawidwe amagetsi, pneumatic actuator, vapor-liquid actuators ndi ma hydraulic actuators; Malinga ndi magawano ntchito akhoza kugawidwa mu mphamvu lophimba mtundu ndi chowongolera mtundu awiri. Pakalipano, gawo lalikulu (lapamwamba) lofunika kwambiri lamagetsi otenthetsera limagwiritsidwa ntchito pophatikizira kuti lilowetse ngati lotsogola. Chilichonse cha kilowatt ultra (ultra) chofunikira kwambiri chopangira mphamvu zopangira magetsi chiyenera kukhala ndi magetsi 600 actuator, pneumatic actuator 200 sets, nthunzi yamadzimadzi yolumikizidwa ndi ma seti 20 ndi hydraulic actuator pang'ono. Pakalipano, kilowatt over (over) mtengo wofunikira wopangira magetsi opangira magetsi opangira magetsi akuyerekezedwa kukhala pafupifupi 15% yamtengo wamtengo wapatali wamtundu wazinthu *, mtengo wazinthu zotumizidwa kunja ndi pafupifupi 85%, makamaka. pakusintha kwa kukhazikitsidwa kwa kukhazikika kwa malo si 10%. Kumbali ya ng'anjo yotenthetsera (kuphatikiza desulfurization ndi kuchotsa fumbi), valavu yolowera mpweya ndi zina zothandizira magetsi zimawona zinthu zambiri zotumizidwa kunja; Ma valve ochepa omwe sali ovuta kumbali ya turbine ya nthunzi ndi gawo la madzi akugwiritsidwa ntchito pamagetsi apanyumba; Ambiri mwa oyendetsa mpweya amasankha katundu wochokera kunja; Kuthamanga kogwira ntchito kumaposa 16MPa, kutentha ndipamwamba kuposa 540 ℃, ma valve ofunikira ndi zinthu zomwe zimatumizidwa kunja. Zifukwa zofunika kwa makasitomala ntchito patsogolo valavu actuator: A, katundu kuona zonse wanzeru actuator, dongosolo yaying'ono, kaimidwe ndi chizindikiro kufala liwiro ndi mofulumira, akhoza kukwaniritsa kufala kutali, kusintha ndi zolakwa akuchitira ndi losavuta ndi yabwino, akhoza kukwaniritsa kufala kawiri, Kusintha kwa PID, kusinthasintha kwadzidzidzi, kuwerengetsa ndi kuzindikira, amplifier ndi actuator mu dongosolo lophatikizika, ntchito yabwino yamphamvu, yolondola kwambiri, koma nthawi yobereka ndi yaitali ndipo mtengo wake ndi wokwera mtengo; Awiri, apamwamba kwambiri (apamwamba) ofunika kwambiri a valve kutanthauzira mwayi ndi wochepa kwambiri, ma valve ambiri ofunika kwambiri ndi katundu wochokera kunja, ndipo ma valve ambiri omwe amatumizidwa kunja amathandizira nthawi yomweyo zipangizo zotumizira kunja. Pamodzi ndi kukhazikitsidwa ndi kuchitidwa kwa ntchito yofunika kwambiri yopangira ma valve amtundu wapamwamba kwambiri (wapamwamba) wofunikira kwambiri wamagetsi opangira magetsi, kuchuluka kwa ma valve kumawuka, kuphatikiza pneumatic actuator nthawi zambiri amagwiritsa ntchito fakitale ya valavu kuchita njira yothandizira nthawi yomweyo, Kusankhidwa kwa actuator kwa gawo lanyumba kudzawonjezeka. Kusiyana kwakukulu pakati pa China ndi magetsi oyendetsa magetsi akunja kumadalira: 1. Pali kusiyana pang'ono pakati pa kukhazikika kwa magetsi opangira magetsi ndi zinthu zomwe zimatumizidwa kunja, ndipo kulephera kwa zida kumakhalanso kwakukulu, kotero makasitomala sakhala omasuka kwambiri; 2. Kupanda magetsi oyendetsa magetsi ndi kuzungulira kwakukulu ndi kusinthasintha kwakukulu, komwe sikungathe kukwaniritsa zofunikira za wogwiritsa ntchito; 3. Kusintha kwa actuator kumawonekera makamaka mu kulondola, kukhazikika ndi mayiko akunja ali ndi zosiyana. Palibe kusiyana kwakukulu mu thupi lalikulu la pneumatic actuator. Pali kusiyana kwakukulu m'moyo wautumiki wa chida choyikira, kutumizirana, ma transmitter anzeru, zida zonse zothandizira ndi zidutswa za valve zomwe zimagwiritsidwa ntchito popanga. Pali ochepa opanga zoweta za nthunzi ndi madzi actuator, makampani ena ali ndi zinthu zabwino, koma mabizinesi ambiri ali ndi kusiyana kwa kudalirika kwazinthu komanso kukhazikika komanso mayiko akunja; Hydraulic continuous actuator sizodziwika pakupanga mdziko lathu. Koma mankhwalawa amangogwiritsidwa ntchito m'malo omwe kusinthana kwachangu kumatchulidwa, ndipo kufunikira kumakhala kochepa kwambiri. M'zaka zaposachedwa, makampani opanga zinthu ku China asintha maubwino ake pakufufuza ndi chitukuko, kupanga ndi kuyesa zinthu, ndipo mulingo wake wowongolera umakulitsidwa kwambiri. Zogulitsa zamabizinesi ofunikira zaukadaulo zafika kapena zafika pamlingo wapamwamba kunja kwa nyanja, ndipo zina mwazinthuzo zakhala zikugwiritsidwa ntchito pang'onopang'ono m'magawo opangira mphamvu zamagetsi ndi zida zosiyanasiyana za petrochemical zamtengo wopitilira (kupitilira) wofunikira. Pa mlingo wa actuator yamagetsi, Gawo la makina opangira magetsi opangidwa ndi 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., ndi Shenzhen Southern Area American General Electric Co., LTD., zakhala zikugwiritsidwa ntchito kupanga mayunitsi ofunikira kwambiri opangira mphamvu zotentha. Pamlingo wa pneumatic actuator, palibe mtundu womwe umadziwika bwino kwambiri popanga ndi kupanga makina opangira ma valve ku China. Nthawi zambiri, actuator ya pneumatic imapangidwa ndi wopanga ma valve. Hunan Power Grid Construction Corporation Co., LTD., Shanghai Walde Power Plant Valve Co., LTD., Shanghai Instrument No. 7 Factory ndi makampani ena opitilira (opitilira) ofunikira kwambiri opangira magetsi opangira magetsi othandizira gawo la mavavu a pneumatic pogwiritsa ntchito makina opanga tokha. Zotsatira zakugwiritsa ntchito zikuwonetsa kuti ma valve ambiri apakhomo amatha kukwaniritsa chitetezo ndi magwiridwe antchito odalirika amagetsi opangira magetsi, komanso kukhala ndi zofunikira komanso kuthekera kokhazikika. Pa nthawi yomweyo, zoweta valavu actuator wakhala ankagwiritsa ntchito kwambiri mu nyukiliya magetsi, makampani metallurgical, zimbudzi mankhwala ndi mafuta ndi petrochemical mafakitale. Chiyambi: Ndikuyamba ntchito zaka mazana angapo monga kufala kwa mpweya wa Sichuan kummawa, pulojekiti eyiti yopingasa eyiti, yopingasa eyiti, kum'mwera ndi kumpoto kwa madzi, kufunikira kwa ma valve ndi malo ogwirira ntchito kwawonjezeka kwambiri; Kuphatikiza apo, m'dziko lathu tikukumana ndi kubwera kwanthawi yamasiku ano, makampani a petrochemical, mabizinesi amagetsi, mayunitsi opanga zitsulo, mafakitale opanga mankhwala komanso mamangidwe am'matauni ndi ntchito yomanga nyumba zazikulu zidzakulitsa kufunika kwa zinthu za valve. Motsogozedwa ndi mphamvu zinayi zazikulu, kutukuka kwa mafakitale, kutukuka kwa mizinda ndi kudalirana kwachuma kwachuma, chiyembekezo cha msika wa zida zapamwamba kwambiri kapena yotakata, kutengera mayiko, kukhazikika, wanzeru, kudzakhala gawo lofunikira kwambiri pakukula kwamakampani amtsogolo m'dziko lathu. Kuwunika kwamtsogolo kwa msika wa valavu zamtsogolo Kuyembekezeka kwa gawo la Valve kungayembekezeredwe Pakalipano, makampani amafuta amafuta m'dziko lathu akukonzekera kulowa m'malo, kupanga mafakitale ndi kudalirana kwa mayiko, ndipo adzasunga lingaliro lachitukuko chokhazikika m'zaka 5 zikubwerazi. Ku China, ma seti ambiri opitilira matani mamiliyoni khumi oyengera mafuta ndi matani miliyoni imodzi a ma ethylene adzapangidwa kumene ndikukulitsidwa, ndikupanga malo okulirapo ofunikira pazosowa za mavavu a petrochemical. Kuphatikiza apo, mitundu yosiyanasiyana ya mapampu omwe akuyenda m'malo opangira mafuta aku China akhala akale komanso okalamba, akufunika kukonzanso ndikukonzanso. M'zaka zaposachedwa, malamulo aku China komanso malo azachuma akhala abwinoko, zomwe zikupereka njira zopindulitsa zamakampani opanga ma valve. China petrochemical ndi mafakitale ena makina ndi zida kukumana dismantling mkombero nthawi, kuchuluka kwa zida analengedwa kumene ndi lalikulu, ndilo valavu msika kufunika kwakukulu, ndipo akuti m'zaka zingapo zotsatira, valavu munda akadali ndi kusintha kwakukulu. Pankhani ya mtengo, mtengo wamtengo wapatali wa valve umakhala wokhazikika m'zaka zaposachedwa, ngakhale kuti chaka chilichonse chimasinthidwa pang'ono, koma mphamvu si yaikulu, chiyembekezo chamakampani chimalonjeza kwambiri. Ponena za kukula, malinga ndi zidziwitso za ziwerengero za China Statistical Bureau mu 2009 zikuwonetsa, dziko lathu lopanga ma valve opanga ma valve ndi opitilira 1700, ma valve opangira ndi kupanga pafupi ndi matani 4 miliyoni. M'zaka 5 zikubwerazi, mavavu a petrochemical mosakayikira ndiye mphamvu yayikulu yofunikira, makamaka kuthamanga kwambiri komanso kutentha kwambiri mavavu, mavavu otsika kwambiri komanso kutentha, mavavu osapanga dzimbiri, mavavu achitsulo osapanga dzimbiri, kutengera zinthu za viscous kapena zitsulo zosapanga dzimbiri. ndi kuyimitsidwa particulate nkhani kupanga ndondomeko kukula mofulumira, kufunika adzawonjezeka kwambiri. Ukadaulo wamagetsi ndizomwe zimachitika m'tsogolo Njira yopangira mavavu aukadaulo wamagetsi iyenera kukhala kampani yapakhomo ndi mwayi wopanga zomwe zikuchitika, tsopano gawo la ma valve apanyumba liyenera kuwona kuti mtengo wamtengo wapatali wa valavu yaukadaulo wamagetsi ndi wosakwana 5% wamtengo wonse. , voliyumu yoitanitsa ndi mtengo wamtengo wapatali kwambiri, zomwe zimasonyeza kuti kufunikira kwa dziko kwa valavu yamagetsi yamagetsi kapena zambiri, mankhwala kuchokera ku teknoloji, khalidwe ndipo pali kusiyana kwakukulu, Osakwanira kukwaniritsa zosowa za msika wa China. Chifukwa chake, mabizinesi a valve ayenera kumvetsetsa mwamphamvu kukula kwa malo opangira ma valve, kukulitsa gawo la msika komanso mtundu wazinthu. Pansi pa chitukuko chachangu chachuma chamasiku ano, ukadaulo wodzipangira mosakayika ndi njira ya chitukuko cha anthu. Chifukwa chake, mabizinesi a valve ayenera kutsatira zomwe zikuchitika pakukula kwachuma ndi chitukuko kuti athe kukhazikika pampikisano. Zida zathunthu, kuyimitsidwa ndizomwe zikuchitika Pakukula kwa mafakitale amakono, kufunikira kwa mavavu ndi zinthu zina mumakampani a petrochemical kukuwonetsanso ukadaulo waukadaulo, kukhazikika, kulowetsa m'malo, zida zonse, ndikukwera kwambiri. zofunikira pachitetezo cha chilengedwe komanso kupulumutsa mphamvu. Mavavu adzabweretsa mwayi watsopano ndi malo osinthira chifukwa chophatikiza ma valve opangira makina ndi magetsi. Msika uyenera kuwonjezeka pang'onopang'ono pamakina opangira magetsi ndi magetsi. Msika wogulitsa ndiwo chiyembekezo cha chitukuko, koma panthawi imodzimodziyo, ubwino wa mankhwala ndi malamulo ndi apamwamba. Zogulitsa zakumunda za ma valve zalowa m'malo atsopano, osati mitundu yazinthu zomwe ziyenera kukwezedwa, komanso kasamalidwe ka kayendetsedwe ka mabizinesi kuyeneranso kuchitidwa molingana ndi miyezo yamakampani. Ngakhale kuti kukula kwa msika wa valve kumakhala kokhazikika pakapita nthawi, padakali mpikisano wosagwirizana wamsika pamsika. Mwachitsanzo, ena ogwira ntchito amachita malonda achiwiri pamsika molingana ndi kukonzanso ndi kupentanso valavu yosiyidwa, zomwe zimabweretsa chiopsezo chachikulu cha chitetezo pa khalidwe la zomangamanga ndikusokoneza kwambiri kuyang'anira msika wa valve. Ndi kusintha kwapang'onopang'ono kwa chitukuko cha msika, chitukuko cha malamulo ndi malamulo, gawo lamtsogolo la valve lidzakumana ndi mpikisano wabwinoko. Ndipo chifukwa cha mafakitale kupanga malamulo khalidwe mankhwala kwambiri mwadongosolo ndi anthu ammudzi kusintha mfundo chitetezo chilengedwe ndi kupulumutsa mphamvu, valavu kumunda adzakhala azimuth chitukuko cha njira ziwiri, mmodzi amachokera gulu limodzi kuti zosiyanasiyana mankhwala ndi mafotokozedwe angapo ndi zitsanzo, chachiwiri ndi kuteteza chilengedwe ndi chitukuko chopulumutsa mphamvu. Chifukwa chake mtsogolomo, gawo la ma valve lidzakhala pazigawo ziwiri zazikulu zomwe zimatsimikizira kuti wopanga ma valve adzapereka zonse zikhala zazikulu.