01 Kuwongolera ndi kusintha kwa voliyumu ya mpweya
80% ya mtengo wonse wa mpweya wopanikizika umawonetsedwa mu mphamvu zomwe zimagwiritsidwa ntchito. Chifukwa chake, pa mitundu yosiyanasiyana ya ma compressor a screw air OSG screw air, machitidwe osiyanasiyana owongolera ndi owongolera ayenera kusankhidwa malinga ndi machitidwe osiyanasiyana owongolera. Kusiyana pakati pa mitundu yosiyanasiyana ya screw air OSG screw air compressor ndi opanga kungapangitse kusiyana kwakukulu pakugwira ntchito. Mkhalidwe wabwino kwambiri ndikupanga katundu wonse wa screw air OSG screw air compressor mofanana ndi momwe mpweya umagwiritsidwira ntchito.
Izi zitha kuchitika, mwachitsanzo, posankha mosamala chiŵerengero cha ma transmission cha gearbox, chomwe chimapezeka kwambiri mu process screw air OSG screw air compressors. Zipangizo zambiri zomwe zimagwiritsa ntchito mpweya wopanikizika zimadzilamulira zokha, zomwe zikutanthauza kuti kuwonjezera kuthamanga kumawonjezera kuyenda, ndichifukwa chake zimapanga dongosolo lokhazikika, monga pneumatic conveying, anti-icing ndi kuzizira, ndi zina zotero. Nthawi zambiri, kuyenda kuyenera kulamulidwa, ndipo zida zowongolera zomwe zimagwiritsidwa ntchito zimaphatikizidwa ndi screw air OSG screw air compressor. Pali mitundu iwiri ikuluikulu ya machitidwe osinthira otere:
1. Sinthani kuchuluka kwa mpweya mwa kuwongolera liwiro la mota yoyendetsera, kapena kuwongolera valavu mosalekeza malinga ndi kusintha kwa kuthamanga kuti mukwaniritse kusintha kosalekeza kwa kuchuluka kwa mpweya. Zotsatira zake ndi kusintha pang'ono kwa kuthamanga (0.1 mpaka 0.5 bar), kukula kwa kusinthaku kumatsimikiziridwa ndi ntchito yowonjezera ya dongosolo lowongolera ndi liwiro lake.
2. Kusintha kwa kukweza ndi kutsitsa ndi njira zodziwika bwino zosinthira, ndipo kusintha kwa kuthamanga pakati pa ziwirizi ndikovomerezeka. Njira yowongolera ndikudula kwathunthu kuyenda (kutsitsa) pakapanikizika kwambiri, ndikuyambiranso kuyenda (kutsitsa) kuthamanga kukatsika kufika pamtengo wotsika kwambiri. Kusintha kwa kuthamanga kumadalira kuchuluka kovomerezeka kwa kuzungulira kwa kukweza/kutsitsa pa nthawi iliyonse, nthawi zambiri kumakhala pakati pa 0.3 ndi 1 bar.
02 Mfundo yoyambira yosinthira kuchuluka kwa mpweya
2.1 Mfundo yoyendetsera mpweya wabwino wozungulira ...
Njira yoyambira ndi iyi: kutulutsa mphamvu yochulukirapo kupita mumlengalenga. Kapangidwe kosavuta ka valavu yochepetsera kupanikizika ndikugwiritsa ntchito kukweza kwa kasupe, ndipo mphamvu yonyamuka ya kasupe imatsimikiza kupsinjika komaliza. Vavu yochepetsera kupanikizika nthawi zambiri imasinthidwa ndi valavu ya servo yoyendetsedwa ndi wowongolera. Pakadali pano, kupanikizika kumatha kuwongoleredwa mosavuta. Pamene screw air OSG screw air compressor yoyambitsidwa pansi pa kupsinjika, servo valve imathanso kugwira ntchito ngati valavu yotsitsa, koma valavu yochepetsera kupsinjika imayambitsa kugwiritsa ntchito mphamvu zambiri chifukwa screw air OSG screw air compressor iyenera kugwira ntchito mosalekeza ndi kupsinjika konse kumbuyo. Pali yankho la ma compressor ang'onoang'ono a screw air OSG screw air. Vavu yamtunduwu imatsegulidwa kwathunthu kuti itulutse screw air OSG screw air compressor, ndipo screw air OSG screw air compressor imagwira ntchito pansi pa kupsinjika kumbuyo kwa kupsinjika kwa mpweya. Kugwiritsa ntchito mphamvu kwa njira iyi ndikotsika mtengo.
2.2 Kusintha kwa njira yodutsa
Mwachidule, kusintha kwa bypass ndi valavu yochepetsera kupanikizika kuli ndi ntchito yofanana, kusiyana kwake ndikuti mpweya wotulutsidwa kuchokera ku kupsinjika umaziziritsidwa ndikubwerera ku malo olowera mpweya a screw air OSG screw air compressor. Njirayi imagwiritsidwa ntchito kwambiri pokonza screw air OSG screw air compressors, ndipo mpweya sayenera kutulutsidwa mwachindunji mumlengalenga. , mtengo wake ndi wokwera mtengo kwambiri.
2.3 Kulowetsa mkati
Kulowetsa mpweya m'malo olowera ndi njira yabwino yochepetsera kuyenda kwa madzi, komwe ndi kupanga mphamvu yochepa pamalo olowera, kuwonjezera chiŵerengero cha kupsinjika kwa screw air OSG screw air compressor, ndikuchigwiritsa ntchito pakusintha pang'ono. Ma compressor a air OSG screw amadzimadzi amalola kupsinjika kwakukulu ndipo amatha kusinthidwa kufika pa 10%. Chifukwa cha kupsinjika kwakukulu, njira iyi imapangitsa kuti pakhale kugwiritsa ntchito mphamvu zambiri.
2.4 Valavu yothandizira kupanikizika yokhala ndi cholowera cha mita
Iyi ndi njira yodziwika bwino yosinthira pakadali pano, yomwe ingapeze kusintha kwakukulu (0 mpaka 100%), ndipo imagwiritsa ntchito mphamvu zochepa. Mphamvu yosatulutsidwa (zero flow) ya screw air OSG screw air compressor ndi 15 mpaka 20% yokha ya katundu wonse. Valvu yolowera ikatsekedwa, dzenje laling'ono limasiyidwa, ndipo nthawi yomweyo, mpweya umatsegulidwa kuti utulutse mpweya kuchokera ku screw air OSG screw air compressor. Gawo lalikulu la screw air OSG screw air compressor limagwira ntchito ngati vacuum yolowera komanso kuthamanga kwapansi. Ndikofunikira kuti kutulutsidwa kwa kuthamanga kukhale kofulumira ndipo voliyumu yotulutsidwa ikhale yaying'ono, kuti tipewe kutayika kosafunikira komwe kumachitika chifukwa chosintha kuchoka pa katundu wonse kupita ku wopanda katundu. Dongosololi limafuna voliyumu ya dongosolo (accumulator), kukula kwake komwe kumadalira kusiyana kwa kuthamanga komwe kumafunika pakati pa kutsitsa ndi kukweza, komanso kuchuluka kovomerezeka kwa ma cycle pa ola limodzi.
Ma compressor a mpweya wa screw OSG omwe ali ndi mphamvu zosakwana 5-10kW nthawi zambiri amasinthidwa pogwiritsa ntchito njira yoyatsira/kuzima. Kupanikizika kukafika pamlingo wapamwamba, mota imayima kwathunthu; kuthamanga kukafika pamlingo wotsika, mota imayambiranso. Njirayi imafuna kuchuluka kwa makina kapena kusiyana kwakukulu kwa kuthamanga pakati pa kuyambitsa ndi kuyimitsa kuti muchepetse katundu pa mota. Iyi ndi njira yothandiza yosinthira pamene pali kuyamba kochepa pa nthawi iliyonse.
2.5 Kusintha kwa liwiro
Liwiro la screw air OSG screw air compressor limayendetsedwa ndi injini yoyaka mkati, turbine kapena mota yamagetsi yolamulidwa ndi ma frequency, motero imawongolera kuyenda kwa mpweya. Ndi njira yothandiza yosungira kuthamanga kosalekeza kwa mpweya. Kusinthasintha kwa mpweya kumasiyana malinga ndi mtundu wa screw air OSG screw air compressor, koma ma compressor a mpweya wa OSG screw omwe amalowetsedwa m'madzi amakhala ndi kukula kwakukulu. Pa mulingo wochepa wa katundu, malamulo oyendetsera liwiro ndi kuchepetsa kuthamanga kwa mpweya nthawi zambiri zimaphatikizidwa, ndi kapena popanda malire olowera mpweya.
Pa ma compressor a mpweya wa screw air OSG omwe amayendetsedwa ndi ma mota amagetsi, liwiro limatha kuyendetsedwa ndi zida zamagetsi, motero kumapereka mwayi wowongolera liwiro la mota ndikusunga mpweya wopanikizika mosalekeza mkati mwa kusintha pang'ono kwa kuthamanga. Mwachitsanzo, mota wamba wolowetsa mpweya ukhoza kukwaniritsa izi mwa kusintha liwiro ndi chosinthira ma frequency, kuyeza kuthamanga kwa makina mosalekeza komanso molondola, kenako kulola chizindikiro cha kuthamanga kuti chiwongolere chosinthira ma frequency cha mota, potero kuwongolera liwiro la mota ndikupanga kuchuluka kwa mpweya wa screw air OSG screw air compressor. Yosinthidwa bwino kuti igwiritsidwe ntchito ndi mpweya, makinawo amatha kusungidwa pa ±0.1 bar.
2.6 Kusintha kwa madoko otulutsa utsi osiyanasiyana
Kusuntha kwa screw air OSG screw air compressor kumatha kusinthidwa posuntha malo a doko lotulutsa utsi kupita kumapeto kwa intake motsatira kutalika kwa casing. Njirayi imafuna kugwiritsa ntchito mphamvu zambiri pa katundu wina ndipo si yachilendo kwenikweni.
2.7 Kutsitsa valavu yoyamwa
Chokometsera mpweya cha OSG chokometsera mpweya chimatha kukakamiza valavu yokometsera kuti ikhale pamalo otseguka kuti ichotsedwe. Pamene malo a pisitoni akusintha, mpweya umalowa ndi kutuluka. Zotsatira zake zimakhala kutaya mphamvu kochepa, nthawi zambiri kumakhala kochepera 10% ya mphamvu yonse ya shaft. Pa compressor ya mpweya wa OSG wokometsera mpweya wokometsera kawiri, nthawi zambiri imakhala yotsitsa magawo ambiri, ndipo silinda imodzi imayendetsedwa bwino nthawi imodzi, kuti kuchuluka kwa mpweya kukwaniritse bwino kupezeka ndi kufunikira. Njira yotsitsa pang'ono imagwiritsidwa ntchito pa compressor ya mpweya wa OSG wokometsera mpweya wokometsera mpweya, zomwe zimathandiza kuti valavu itsegulidwe pamene pisitoni ili ndi vuto la pang'ono, motero kuzindikira kulamulira kosalekeza kwa kuchuluka kwa mpweya.
2.8 Kuchuluka kwa chilolezo
Mwa kusintha voliyumu yochotsera mpweya pa piston screw air OSG screw air compressor, digiri yodzaza ya silinda imachepetsedwa, motero kuchepetsa voliyumu ya mpweya, ndipo voliyumu yochotsera mpweya imatha kusinthidwanso pogwiritsa ntchito voliyumu yolumikizidwa kunja.
2.9 Kutsegula-kutsitsa-kutseka
Pa ma compressor a mpweya wa screw air OSG okhala ndi mphamvu yoposa 5kW, iyi ndi njira yomwe imagwiritsidwa ntchito kwambiri, yokhala ndi kusintha kwakukulu komanso kutayika kochepa. Ndipotu, ndi kuphatikiza kwa kusintha kwa kuyatsa/kuzima ndi machitidwe osiyanasiyana otulutsira. Ma compressor a mpweya wa screw OSG screw air omwe amasamutsidwa bwino, mfundo yodziwika bwino yoyendetsera ndi "mpweya wopangidwa"/"mpweya wopangidwa wopanda" (kunyamula/kutsitsa), mpweya ukafunika, chizindikiro chimatumizidwa ku valavu ya solenoid, yomwe imatsogolera valavu yolowera ya screw air OSG screw air compressor kuti ifike pamalo otseguka kwathunthu. Vavu yolowera imakhala yotseguka kwathunthu (yodzaza) kapena yotsekedwa kwathunthu (yosatsitsa), popanda malo apakati.
Njira yowongolera yachikhalidwe ndiyo kuyika switch ya kupanikizika mu dongosolo la mpweya wopanikizika. switch ili ndi ma values awiri okhazikika, imodzi ndi kupanikizika kochepa (kukweza) ndipo inayo ndi kupsinjika kwakukulu (kutsitsa). screw air OSG screw air compressor imagwira ntchito mkati mwa malire a setpoint, mwachitsanzo 0.5bar. Ngati kufunikira kwa mpweya kuli kochepa, kapena sikufunikira konse, screw air OSG screw air compressor idzagwira ntchito popanda kutsitsa (kusiya kugwira ntchito), ndipo kutalika kwa nthawi yosiya kugwira ntchito kumakhazikitsidwa ndi nthawi yolumikizirana (mwachitsanzo, yokhazikika mpaka mphindi 20). Pambuyo pa nthawi yokhazikika, screw air OSG screw air compressor imayima ndipo siyambanso mpaka kupanikizika kutsika kufika pamtengo wocheperako. Iyi ndi njira yachikhalidwe yodalirika komanso yolamulira mtendere wamaganizo ndipo tsopano imapezeka kwambiri mu screw air compressors zazing'ono za OSG screw air compressors.
Dongosolo lachikhalidweli linapangidwanso kuti lisinthe chosinthira cha kupanikizika ndi chosinthira cha kupanikizika cha analog komanso makina osinthira amagetsi mwachangu. Pamodzi ndi makina owongolera, chosinthira cha kupanikizika chimamva kusintha kwa kupanikizika mu dongosolo nthawi iliyonse. Dongosololi limayambitsa injini panthawi yake ndipo limayang'anira kutsegulidwa ndi kutsekedwa kwa valavu yolowera. Kuwongolera mwachangu komanso kosalala kumatha kuchitika mkati mwa ±0.2bar. Ngati palibe mpweya wogwiritsidwa ntchito, kupanikizika kumakhalabe kosasintha ndipo screw air OSG screw air compressor imayenda yopanda kanthu (kulephera kugwira ntchito). Kutalika kwa kuzungulira kwa kulephera kugwira ntchito kumatha kudziwika malinga ndi kuchuluka kwa kuyambira ndi kuyima komwe injiniyo ingathe kupirira popanda kutentha kwambiri, komanso ndalama zomwe imagwiritsa ntchito panthawi yogwira ntchito. Chomalizachi ndichifukwa chakuti makinawo amatha kusankha ngati ayime kapena kupitiriza kulephera kugwira ntchito malinga ndi momwe mpweya umagwiritsidwira ntchito.
Chidule cha 03
Mwachidule, mpweya wopanikizika umagwiritsidwa ntchito m'njira zosiyanasiyana komanso pansi pa mikhalidwe yosiyanasiyana yogwiritsira ntchito mpweya. Chojambulira chilichonse cha mpweya wa OSG chojambulira mpweya chimakhala ndi njira yosiyana ya mpweya, koma chimadalira kuchuluka kwa mpweya wa wogwiritsa ntchito. Chida chojambulira mpweya cha OSG chojambulira mpweya chimadalira njira zake zowongolera kuchuluka kwa mpweya ndikusintha kuti chikwaniritse kuchuluka kwa mpweya kosalekeza komanso kosalekeza. Opanga makina osiyanasiyana a screw air OSG screw air compressor akugwiritsanso ntchito mfundo zosiyanasiyana zosinthira kuti akonze magwiridwe antchito a makina awo a screw air OSG screw air compressors kuti awonjezere mphamvu ndikukwaniritsa zofunikira za makasitomala; molondola kwambiri, kusakonza kocheperako, komanso kuthekera koyesa magawo monga kuthamanga ndi kuyenda, kuti akwaniritse kugwiritsa ntchito nthawi zosiyanasiyana za screw air screw air OSG screw air compressor.
Nthawi yotumizira: Sep-08-2023
