Kulephera kusanthula kwadzidzidzi kuthamanga kutsika mu wothinikizidwa mpweya dongosolo
Kulephera Kusanthula kwa Kuthamanga Mwadzidzidzi Kutsika mu Chida Choponderezedwa cha Air System cha Chomera Chonse
Chida choponderezedwa cha mpweya wamagetsi opangira magetsi chimagwira ntchito ngati chida chowongolera mpweya ndipo ndi mphamvu yogwiritsira ntchito zida za pneumatic za seti ya jenereta (kusintha ndi kuwongolera ma valve a pneumatic, etc.).Pamene zipangizo ndi dongosolo zikugwira ntchito bwinobwino, kuthamanga kwa mpweya umodzi kompresa ndi 0.6 ~ 0.8 MPa, ndi dongosolo nthunzi kupereka chachikulu chitoliro kuthamanga si zosakwana 0,7 MPa.
1. Njira yolakwika
Ma air compressor A ndi B a malo opangira magetsi akugwira ntchito, ndipo makina a air compressor C ali pamalo otentha.Pa 11:38, kuyang'anira ogwira ntchito opareshoni kunapeza kuti ma valve a pneumatic a Units 1 ndi 2 anali akugwira ntchito molakwika, ndipo ma valve sakanakhoza kutsegulidwa, kutsekedwa, ndi kusinthidwa bwino.Yang'anani zida zam'deralo ndikupeza kuti zida zitatu za air compressor zikugwira ntchito bwino, koma nsanja zowumitsira za zida zitatu zamphamvu zonse zatha ndipo zatha.Ma valve a solenoid polowera kwa nsanja zowumitsa zonse azimitsidwa ndikutsekedwa zokha.Kuthamanga kwa chitoliro kumachepa mofulumira.
Kuyang'ananso pamalowa kunapeza kuti magetsi apamwamba kwambiri "air compressor room thermal control distribution box" ya zinsanja zitatu zoyanika za air compressor anali atatha mphamvu, ndipo mabasi opangira magetsi apamwamba "380 V instrument air compressor gawo la MCC” voteji yotayika.Kuthetsa zolakwika za bokosi logawa zowongolera kutentha muchipinda cha kompresa mpweya ndi katundu wake (mpweya kompresa kuyanika nsanja, etc.) ndi kutsimikizira kuti vuto chifukwa cha katundu zina zolakwika mu MCC gawo la chipangizo mpweya kompresa.Pambuyo popatula malo olakwika, mphamvu pa "380 V chida cha air compressor MCC gawo" ndi "air compressor room thermal control distribution box".Mphamvu zopangira zida zitatu zowumitsira zida za air compressor zidabwezeretsedwa ndikuyambiranso kugwira ntchito.Ma electromagnetic awo olowera Vavu ikayatsidwa, imatsegukanso yokha, ndipo kukakamiza kwa chitoliro chachikulu cha chitolirocho kumawonjezeka pang'onopang'ono mpaka kukakamiza kwanthawi zonse.
2. Kulephera kufufuza
1. Mapangidwe amagetsi a nsanja yowumitsa ndi osamveka
Mphamvu zopangira zida zitatu zowumitsa zida za air compressor ndi bokosi loyang'anira valavu lolowera solenoid limatengedwa m'bokosi logawa matenthedwe muchipinda cha air compressor.Mphamvu ya bokosi logawa ili ndi gawo limodzi ndipo imangotengera kukakamiza kwa mpweya wa 380 V.Gawo la MCC la makinawo lilibe magetsi osungira.Pamene kulephera kwa voteji ya busbar kumachitika mu gawo la MCC la air compressor ya chida, bokosi logawa matenthedwe la chipinda cha air compressor ndi nsanja zowumitsa za air compressor A, B, ndi C zonse zimazimitsidwa ndikuzimitsidwa. .Valavu yolowera mkati imatsekanso yokha mphamvu ikazima, zomwe zimapangitsa kuti chitoliro cha chitoliro chapaipi chachikulu cha chipangizocho chigwere mwachangu.Panthawiyi, ma valve a pneumatic a mayunitsi awiriwa sakanatha kusinthidwa ndi kusinthidwa kawirikawiri chifukwa cha kutsika kwa mpweya wa mphamvu.Kugwira ntchito motetezeka kwa mayunitsi a jenereta No. 1 ndi No.
2. Mapangidwe a nsanja yowumitsa magetsi ogwirira ntchito siginecha siungwiro.Zipangizo zamagetsi zowumitsa nsanja zili pamalopo.Chigawo chowunikira chowunikira chakutali cha nsanja yowumitsa sichinayikidwe, ndipo cholumikizira chamagetsi chakutali sichinapangidwe.Ogwira ntchito sangathe kuyang'anira momwe ntchito yowumitsira magetsi kuchokera kuchipinda chowongolera chapakati.Mphamvu yamagetsi ya nsanja yowumitsira ikakhala yachilendo, sangathe kuzindikira ndikuchitapo kanthu panthawi yake.
3. Mapangidwe amagetsi amagetsi a chipangizo choponderezedwa ndi opanda ungwiro.The wothinikizidwa chitoliro mpweya waukulu chitoliro ali m'malo, dongosolo kuthamanga muyeso ndi deta zigawo kutali kufala si anaika, ndi dongosolo kuthamanga chizindikiro kutali polojekiti dera si anapangidwa.The centralized control duty officer sangathe kuyang'anira chitoliro chachikulu cha chipangizo choponderezedwa cha mpweya kuchokera patali.Pamene dongosolo ndi chitoliro chachikulu chikusintha, wogwira ntchitoyo sangathe kuzindikira nthawi yomweyo ndikuchitapo kanthu mwamsanga, zomwe zimapangitsa kuti zipangizo zowonjezera ndi nthawi yolephera.
3. Njira zowongolera
1. Sinthani mphamvu zamagetsi zowumitsa nsanja
Njira yoperekera mphamvu ya nsanja yowumitsa ya zida zitatu zopangira mpweya wasinthidwa kuchoka pamagetsi amodzi kupita kumagetsi apawiri.Mphamvu ziwirizi zimakhomedwa ndipo zimasinthidwa zokha kuti zitsimikizire kudalirika kwamagetsi a nsanja yowumitsa.Njira zowongola zenizeni ndi izi.
(1) Ikani zida ziwiri zosinthira magetsi (mtundu wa CXMQ2-63/4P, bokosi logawa) mchipinda chogawa magetsi cha 380 V pagulu, pomwe mphamvu zake zimatengedwa kuchokera pakanthawi kosinthira kwa anthu 380 V. Gawo la PCA ndi gawo la PCB motsatana., ndipo kutulutsa kwake kumalumikizidwa ndi mphamvu yomwe ikubwera kumapeto kwa bokosi logawa matenthedwe mu chipinda cha compressor cha zida.Pansi pa njira iyi yolumikizira ma waya, mphamvu yoperekera bokosi logawira matenthedwe muchipinda cha air compressor cha 380 V imasinthidwa kuchokera ku gawo la 380 V chida cha air compressor MCC kupita kumapeto kwa chipangizo chosinthira magetsi chapawiri, ndipo magetsi amasinthidwa. kuchokera kudera limodzi kupita Kugawo lapawiri lomwe limatha kusinthira basi.
(2) Mphamvu yamagetsi ya zida zitatu zowumitsa zida za air compressor zikadali zochokera ku bokosi logawa zowongolera matenthedwe muchipinda cha air compressor.Pansi pa njira yolumikizira yomwe ili pamwambayi, nsanja iliyonse yoyatsira mpweya imazindikiranso mphamvu ziwiri Mphamvu zamagetsi (njira yosalunjika).Zida zazikulu zaukadaulo wapawiri-wamba mphamvu zosinthira zodziwikiratu: kulowetsa kwa AC ndi kutulutsa voteji 380/220 V, kuvotera 63 A yamakono, nthawi yozimitsa mphamvu yosaposa 30 s.Panthawi yosinthira mphamvu yapawiri, bokosi logawira kutentha kwa chipinda cha air compressor ndi katundu wake (nsanja yowumitsa ndi inlet solenoid valve control box, etc.) idzazimitsidwa kwakanthawi kochepa.Kusintha kwamagetsi kukamalizidwa, dera lowongolera nsanja yowumitsa lidzayambiranso.Pambuyo polandira mphamvu, nsanja yowumitsa imangoyamba kugwira ntchito, ndipo valavu yake yolowetsa solenoid imatsegulidwa yokha, kuthetsa kufunikira kwa ogwira ntchito kuti ayambitsenso zipangizo ndikugwira ntchito zina pomwepo (ntchito yopangira magetsi oyambirira a kuyanika. nsanja).Nthawi yozimitsa magetsi yamagetsi apawiri-circuit magetsi ndi mkati mwa 30s.Magwiritsidwe ntchito a unit amalola 3 zida zowumitsa makina opangira mpweya kuti zizimitsidwa ndikuzimitsa kwa mphindi 5 mpaka 7 nthawi imodzi.Nthawi yosinthira mphamvu yapawiri-yozungulira imatha kukwaniritsa zofunikira za chipangizocho wothinikizidwa mpweya.zofunika pa ntchito.
(3) Pagawo la 380 V pagulu la PCA ndi makabati ogawa magetsi a gawo la PCB, makina osinthira magetsi omwe amafanana ndi chipangizo chosinthira mphamvu chapawiri-channel ndi 80A, ndi zingwe zolowera ndi zotuluka za chipangizo chosinthira magetsi chapawiri-channel. amaikidwa kumene (ZR-VV22- 4×6 mm2).
2. Kupititsa patsogolo mphamvu yowumitsa nsanja yowunikira ntchito yowunikira
Ikani cholumikizira chapakatikati (mtundu wa MY4, voliyumu ya coil AC 220 V) mkati mwa bokosi la zida zosinthira mphamvu zapawiri, ndipo mphamvu ya koyilo yopatsirana imachotsedwa potulutsira zida zosinthira mphamvu ziwiri.Maulumikizidwe otseguka komanso omwe nthawi zambiri amatsekeka a relay amagwiritsidwa ntchito kupanga chizindikiro chotseka (malo ogwiritsira ntchito nsanja yowumitsa) ndi chizindikiro chotsegulira (chizindikiro chowumitsa magetsi) cha chipangizo chosinthira mphamvu chapawiri kulowa mu unit DCS control system ndikuwonetsedwa. pazithunzi zowunikira za DCS.Ikani chingwe chowunikira cha DCS (DJVPVP-3 × 2 × 1.0 mm2) cha chipangizo chosinthira magetsi chapawiri.
3. Kupititsa patsogolo kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka mpweya
Ikani ma transmitter akutali akutali (wanzeru, mtundu wowonetsera digito, magetsi 24 V DC, kutulutsa 4 ~ 20 mA DC, kuyeza 0 ~ 1.6 MPa) pa chitoliro chachikulu cha mpweya woponderezedwa wa chida, ndikugwiritsa ntchito choponderezedwa. mpweya wa chida Chizindikiro chamagetsi chamagetsi chimalowa mu unit DCS ndipo chikuwonetsedwa pazithunzi zake zowunikira.Ikani chingwe chowunikira cha chitoliro chamagetsi cha DCS cha chipangizocho (DJVPVP-2 × 2 × 1.0 mm2).
4. Kukonzekera kwathunthu kwa zida
Zida zitatu zoyanika nsanja za air compressor zidayimitsidwa imodzi ndi imodzi, ndipo matupi awo ndi zida zamagetsi ndi zowongolera kutentha zidawunikiridwa bwino ndikusungidwa kuti zithetse vuto la zida.
Ndemanga: Nkhaniyi yapangidwanso kuchokera pa intaneti.Zomwe zili m'nkhaniyi ndi zophunzirira komanso kulumikizana kokha.Air Compressor Network salowerera ndale pokhudzana ndi malingaliro omwe ali m'nkhaniyi.Nkhani ndi ya mlembi woyamba.Ngati pali kuphwanya kulikonse, chonde titumizireni kuti tichotse.
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