Kuwunika kwa ma compressor onse 9 omwe akupunthwa pamalo opangira magetsi
Si zachilendo kuti mpweya kompresa MCC kusagwira ntchito ndi onse mpweya kompresa masiteshoni kuima.
Chidule chazida:
Ma injini akuluakulu a 2 × 660MW supercritical unit ya XX Power Plant onse amasankhidwa ku Shanghai Electric Equipment.Makina opangira nthunzi ndi Siemens N660-24.2/566/566, chowotcha ndi SG-2250/25.4-M981, ndi jenereta ndi QFSN-660-2.Chigawochi chili ndi mafani amagetsi oyendetsedwa ndi nthunzi, mapampu operekera madzi, ndi ma compressor 9 a mpweya onse amapangidwa ndi XX Co., Ltd., omwe amakwaniritsa zofunikira za mpweya pazida, kuchotsa phulusa ndi kugwiritsa ntchito mosiyanasiyana pamitengo yonse. .
M'mbuyomu ntchito:
Nthawi ya 21:20 pa Ogasiti 22, 2019, unit #1 ya XX Power Plant inali ikugwira ntchito moyenera ndi katundu wa 646MW, zopukutira malasha A, B, C, D, ndi F zinali kugwira ntchito, ndipo makina a mpweya ndi utsi anali kugwira ntchito. mbali zonse ziwiri, pogwiritsa ntchito njira yokhazikika yogwiritsira ntchito mphamvu mufakitale.Katundu wa unit #2 ukuyenda bwino, zopukutira malasha A, B, C, D, ndi E zikuyenda, mpweya ndi utsi zikuyenda mbali zonse, ndipo fakitale imagwiritsa ntchito magetsi okhazikika.#1~#9 air compressor onse akuyenda (machitidwe anthawi zonse), omwe #1~#4 air compressor amapereka mpweya woponderezedwa wa #1 ndi #2 mayunitsi, ndipo #5~#9 air compressor imapereka kuchotsa fumbi ndikuyenda phulusa. Mukamagwiritsa ntchito makinawa, zida ndi zitseko zolumikizana ndi mpweya wosiyanasiyana zimatsegulidwa 10%, ndipo kuthamanga kwa chitoliro chachikulu ndi 0.7MPa.
# 1 unit 6kV fakitale yogwiritsidwa ntchito gawo 1A yolumikizidwa ndi magetsi #8 ndi #9 mpweya kompresa;Gawo 1B limalumikizidwa ndi magetsi a #3 ndi #4 ma compressor a mpweya.
#2 unit 6kV fakitale-ntchito gawo 2A chilumikizidwe ndi magetsi #1 ndi #2 mpweya kompresa;gawo 2B chikugwirizana ndi magetsi #5, #6 ndi #7 mpweya kompresa.
ndondomeko:
Pa 21:21 August 22, woyendetsa anapeza kuti # 1 ~ # 9 mpweya compressor anapunthwa pa nthawi yomweyo, nthawi yomweyo anatseka chida ndi miscellaneous wothinikizidwa mpweya kukhudzana zitseko, anasiya phulusa zoyendera ndi fumbi kuchotsa dongosolo wothinikizidwa mpweya, ndi pa -kuwunika kwa malo kunapeza kuti 380V Gawo la MCC la kompresa ya mpweya idataya mphamvu.
21:35 Mphamvu imaperekedwa ku gawo la MCC la air compressor, ndipo #1~#6 air compressor imayambika motsatizana.Pambuyo mphindi 3, mpweya kompresa MCC kutaya mphamvu kachiwiri, ndi #1~#6 mpweya compressor ulendo.Chidacho chimagwiritsa ntchito kupanikizika kwa mpweya kutsika, wogwiritsa ntchitoyo adatumiza mphamvu ku gawo la MCC la air compressor kanayi, koma mphamvuyo inatayikanso mphindi zingapo pambuyo pake.Compressor ya mpweya yomwe idayambika idapunthwa nthawi yomweyo, ndipo kukakamiza kwa mpweya woponderezedwa sikunathe kusungidwa.Tidapempha chilolezo chotumiza mayunitsi #1 ndi #2 Katundu watsikira ku 450MW.
Nthawi imati 22:21, chiwongolero cha mpweya chinapitirira kutsika, ndipo zitseko zina zosinthira mpweya zinalephera.Zitseko zazikulu ndi zotenthetseranso kutentha kwa madzi a unit #1 zidatsekedwa zokha.Kutentha kwakukulu kwa nthunzi kunakwera kufika pa 585°C, ndipo kutentha kwa nthunzi yotenthedwanso kunakwera kufika pa 571°C.℃, kutentha kotentha kwa khoma kumadutsa malire, ndipo buku la MFT la MFT ndi unit nthawi yomweyo zimachotsedwa.
Nthawi imati 22:34, chiwongolero cha mpweya chinatsikira ku 0.09MPa, chitseko cha shaft seal chomwe chimayendetsa chitseko cha unit #2 chidatsekedwa, mpweya wosindikizira wa shaft unasokonekera, mphamvu yakumbuyo ya unit idakwera, komanso "kuchepa kwa mpweya wotulutsa mpweya. kutentha ndikokwera" chitetezo (onani chithunzi 3), chipangizocho chatsekedwa.
22:40, tsegulani pang'ono podutsa pamwamba pa unit #1 ndi nthunzi yothandizira.
Pa 23:14, boiler #2 imayatsidwa ndikuyatsa 20%.Pa 00:30, ndinapitiriza kutsegula valavu yapamwamba, ndipo ndinapeza kuti malangizowo akuwonjezeka, mayankhowo sanasinthe, ndipo ntchito yamanja ya m'deralo inali yosayenera.Zinatsimikiziridwa kuti chigawo chapamwamba cha valve chinali chokhazikika ndipo chiyenera kuchotsedwa ndikuwunikiridwa.Buku la MFT la #2 boiler.
Pa 8:30, boiler # 1 imayatsidwa, pa 11:10 makina opangira nthunzi amathamanga, ndipo pa 12:12 gawo # 1 limalumikizidwa ku gridi.
Kukonza
Pa 21:21 pa Ogasiti 22, ma compressor a mpweya #1 mpaka #9 adapunthwa nthawi imodzi.Nthawi imati 21:30, ogwira ntchito yokonza magetsi ndi kukonza matenthedwe adapita pamalowa kuti akawunikenso ndipo adapeza kuti switch yamagetsi yogwira ntchito ya gawo la MCC la kompresa ya mpweya idagwa ndipo basi idasowa mphamvu, zomwe zidapangitsa kuti ma compressor onse 9 azitha kutaya mphamvu za PLC ndi zonse. ma air compressor adakwera.
21:35 Mphamvu imaperekedwa ku gawo la MCC la air compressor, ndipo ma air compressor #1 mpaka #6 amayambika motsatizana.Pambuyo mphindi 3, MCC ya kompresa mpweya kutaya mphamvu kachiwiri, ndi mpweya compressor # 1 mpaka # 6 ulendo.Pambuyo pake, chosinthira chamagetsi cha MCC chogwiritsira ntchito mphamvu ndi chosinthira mphamvu zosunga zobwezeretsera zidayesedwa kangapo, ndipo gawo la busbar la kompresa MCC linapunthwa patatha mphindi zingapo mutalipira.
Kuyang'ana kuchotsa phulusa lakutali la DCS kabati yowongolera, zidapezeka kuti gawo lothandizira la A6 likuyaka.Kuchuluka kolowera (24V) kwa njira ya 11 ya module ya A6 kunayesedwa ndipo 220V alternating current inalowa.Onaninso kuti chingwe chofikira cha 11 cha gawo la A6 chinali thumba la nsalu pamwamba pa #3 nyumba yosungiramo phulusa yabwino.Chitsimikizo cha ntchito yosonkhanitsa fumbi yotulutsa mphamvu.Kuyang'anira pamalo #3 Chizindikiro cha opareshoni cholumikizira mubokosi lowongolera la fumbi lotolera fumbi la phulusa la phulusa limalumikizidwa molakwika ndi magetsi owongolera a 220V AC m'bokosi, ndikupangitsa mphamvu ya 220V AC kuyenda mu gawo la A6. kudzera pamzere wamawonekedwe a ntchito ya fan.Zotsatira za nthawi yayitali za AC, Zotsatira zake, khadiyo idalephera ndikuwotchedwa.Ogwira ntchito yokonza anaweruza kuti magetsi ndi kusintha linanena bungwe gawo la khadi khadi mu nduna akhoza kusagwira ntchito bwino ndipo sangathe kugwira ntchito bwinobwino, chifukwa pafupipafupi zachilendo tripping wa magetsi I ndi magetsi II masiwichi a MCC gawo la kompresa mpweya.
Ogwira ntchito yosamalira anachotsa mzere wachiwiri womwe unachititsa kuti AC ilowe mkati. Pambuyo posintha gawo la A6 lotenthedwa, kugwedezeka kwafupipafupi kwa magetsi I ndi magetsi a II a gawo la MCC la air compressor anasowa.Pambuyo pofunsana ndi akatswiri aukadaulo a opanga DCS, zidatsimikiziridwa kuti chodabwitsachi chilipo.
22:13 Mphamvu imaperekedwa ku gawo la MCC la air compressor ndipo ma air compressor amayambika motsatizana.Yambani ntchito yoyambira unit
Mavuto Owonetsedwa:
1. Ukadaulo womanga zomangamanga suli wokhazikika.XX Electric Power Construction Company sanapange mawaya molingana ndi zojambulazo, ntchito yochotsa zolakwika sinachitike mosamalitsa komanso mwatsatanetsatane, ndipo bungwe loyang'anira lidalephera kumaliza kuwunika ndi kuvomereza, zomwe zidayika zoopsa zobisika kuti zigwire bwino ntchito. gulu.
2. Kuwongolera kopangira magetsi ndikosayenera.Mapangidwe a mpweya kompresa PLC kulamulira magetsi ndi zosamveka.Mphamvu zonse zowongolera mpweya kompresa PLC zimatengedwa kuchokera kugawo lomwelo la busbar, zomwe zimapangitsa kuti pakhale mphamvu imodzi komanso kusadalirika kodalirika.
3. The wothinikizidwa mpweya dongosolo kamangidwe n'zosamveka.Pantchito yabwinobwino, ma compressor onse 9 a mpweya ayenera kukhala akuyenda.Palibe zosunga zobwezeretsera za air compressor komanso kulephera kwa air compressor ndikokwera, zomwe zimabweretsa ngozi yayikulu.
4. Njira yamagetsi ya MCC ya compressor ya mpweya ndi yopanda ungwiro.Mphamvu yogwira ntchito ndi mphamvu zosungirako zosungirako kuchokera ku zigawo A ndi B za PC yochotsa phulusa la 380V kupita ku MCC ya air compressor sangathe kutsekedwa ndipo sangathe kubwezeretsedwa mwamsanga.
5. DCS ilibe logic ndi mawonekedwe a skrini a air compressor PLC control power supply, ndipo lamulo lotulutsa DCS liribe zolemba, zomwe zimapangitsa kusanthula zolakwika kukhala kovuta.
6. Kufufuza kosakwanira ndikuwongolera zoopsa zobisika.Chigawochi chikalowa m'gawo lopanga, ogwira ntchito yosamalira analephera kuyang'ana njira yoyendetsera m'deralo mu nthawi, ndipo mawaya olakwika mu kabati yosonkhanitsa fumbi yotulutsa mpweya sanapezeke.
7. Kupanda mphamvu zoyankhira mwadzidzidzi.Ogwira ntchitowa analibe luso lothana ndi kusokonezedwa kwa mpweya, anali ndi maulosi osakwanira angozi, komanso analibe luso loyankha mwadzidzidzi.Iwo akadali kusintha kwambiri zikhalidwe ntchito wa unit pambuyo onse mpweya kompresa anapunthwa, chifukwa kutsika mofulumira wothinikizidwa mpweya mpweya;Ma compressor onse atapunthwa atatha kuthamanga, ogwira ntchito yosamalira analephera kudziwa chomwe chayambitsa komanso malo omwe alakwitsa mwachangu, ndipo adalephera kuchitapo kanthu kuti abwezeretse magwiridwe antchito a mpweya wina munthawi yake.
Kusamalitsa:
1. Chotsani mawaya olakwika ndikusintha gawo lotenthedwa la DI khadi la kabati yochotsa phulusa la DCS.
2. Yang'anani mabokosi ogawa ndi makabati owongolera m'malo omwe ali ndi malo ogwirira ntchito movutikira komanso achinyezi m'malo onse obzala kuti athetse kuopsa kobisika kwa mphamvu ya AC yomwe ikuyenda mu DC;fufuzani kudalirika kwa njira yamagetsi yamagetsi ofunikira owongolera makina othandizira magetsi.
3. Tengani mpweya kompresa PLC kulamulira magetsi kuchokera zigawo zosiyanasiyana PC kusintha magetsi kudalirika.
4. Sinthani njira yamagetsi ya kompresa MCC ndikuzindikira kulumikizidwa kwamagetsi kwa kompresa MCC mphamvu imodzi ndi ziwiri.
5. Limbikitsani malingaliro ndi mawonekedwe a skrini a DCS air compressor PLC control power supply.
6. Pangani ndondomeko yosinthira luso kuti muwonjezere ma compressor awiri opuma kuti mupititse patsogolo kudalirika kwa kayendedwe ka mpweya.
7. Limbikitsani kasamalidwe kaukadaulo, kuwongolera kuthekera kothana ndi zoopsa zobisika, jambulani malingaliro kuchokera ku chitsanzo chimodzi ndikuwunika pafupipafupi ma waya pamakabati onse owongolera ndi mabokosi ogawa.
8. Sinthani machitidwe a zitseko za pneumatic pamalopo mutataya mpweya wothinikizidwa, ndikusintha dongosolo ladzidzidzi la kusokoneza mpweya muzomera zonse.
9. Limbikitsani maphunziro a luso la ogwira ntchito, konzekerani zoyeserera zangozi nthawi zonse, ndikuwongolera kuthekera koyankha mwadzidzidzi.
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.Ufulu wa nkhaniyo ndi wa wolemba woyambirira komanso nsanja.Ngati pali kuphwanya kulikonse, chonde titumizireni kuti tichotse.