Ukuhlaziywa kwekesi kwawo wonke ama-compressor angu-9 akhubeka esitshalweni sikagesi
Akuvamile ukuthi i-compressor yomoya i-MCC ingasebenzi kahle futhi zonke iziteshi zokucindezela umoya zime.
Ukubuka konke kwezisetshenziswa:
Izinjini ezinkulu zeyunithi engu-2×660MW ebaluleke kakhulu ye-XX Power Plant zonke zikhethwe kwa-Shanghai Electric Equipment.I-turbine ye-steam yi-Siemens N660-24.2/566/566, i-boiler yi-SG-2250/25.4-M981, kanti i-generator yi-QFSN-660-2.Iyunithi ifakwe amafeni okusalungiswa aqhutshwa isitimu, amaphampu amanzi, kanye nama-compressor omoya angu-9 konke kukhiqizwa i-XX Co., Ltd., ehlangabezana nezidingo zomoya ezicindezelwe zokufakwa kwezinsimbi, ukususwa komlotha kanye nokusetshenziswa okuhlukahlukene kuso sonke isitshalo. .
Izimo zokusebenza zangaphambilini:
Ngo-21:20 ngo-August 22, 2019, iyunithi #1 ye-XX Power Plant yayisebenza ngokujwayelekile enomthwalo ongu-646MW, izigayo zamalahle A, B, C, D, no-F zazisebenza, futhi isistimu yomoya nentuthu yayisebenza. zombili izinhlangothi, kusetshenziswa indlela ejwayelekile yokusetshenziswa kwamandla embonini.Umthwalo weyunithi #2 usebenza ngokujwayelekile, izigayi zamalahle A, B, C, D, no-E ziyasebenza, isistimu yomoya nentuthu isebenza nhlangothi zombili, futhi ifektri isebenzisa ugesi ojwayelekile.#1~#9 air compressors zonke ziyasebenza (imodi yokusebenza evamile), phakathi kwazo #1~#4 iziminyanisi zomoya zihlinzeka komoya ocindezelwe wamayunithi angu-#1 kanye namayunithi angu-#2, futhi #5~#9 izicindezela zomoya zihlinzeka ngokususa uthuli kanye nokuthuthwa komlotha. Uma usebenzisa isistimu, insimbi neminyango yokuxhumana yomoya ecindezelwe ngengxube ivulwa ngo-10%, futhi ukucindezela kwepayipi lomoya elicindezelwe ngu-0.7MPa.
#1 iyunithi 6kV isigaba esisetshenziswa efekthri 1A sixhunywe kumandla kagesi #8 kanye #9 nama-compressor komoya;Isigaba 1B sixhunywe ekunikezeni amandla ama-compressor angu-#3 kanye ne-#4.
#2 iyunithi 6kV isigaba esisetshenziswa efekthri 2A sixhunywe ekunikezeni amandla ama-compressor angu-#1 kanye no-#2;isigaba 2B sixhunywe kumandla kagesi #5, #6 kanye ne-#7 compressors emoyeni.
inqubo:
Ngo-21:21 ngo-August 22, u-opharetha wathola ukuthi #1~#9 air compressors yagingqika ngesikhathi esifanayo, ngokushesha yavala insimbi kanye nengxubevange ecindezelwe iminyango yokuxhumana yomoya, yamisa ukuthutha komlotha kanye nesistimu yokususa uthuli umoya ocindezelwe, futhi -ukuhlolwa kwesayithi kuthole ukuthi i-380V Ingxenye ye-MCC ye-compressor yomoya ilahlekelwe amandla.
21:35 Amandla anikezwa esigabeni se-MCC se-air compressor, futhi ama-air compressor angu-#1~#6 aqalwa ngokulandelana.Ngemuva kwemizuzu emi-3, i-compressor ye-MCC iphelelwa amandla futhi, kanye nohambo lwe- #1~#6 lwe-air compressors.Ithuluzi lisebenzisa umfutho womoya ocindezelwe wehla, opharetha wathumela amandla esigabeni se-MCC se-compressor yomoya izikhathi ezine, kodwa amandla aphinde alahleka ngemva kwemizuzu embalwa.I-compressor yomoya eqalile yakhubeka ngokushesha, futhi ingcindezi yesistimu yomoya ecindezelwe ayikwazanga ukugcinwa.Sifake isicelo sokugunyazwa ukuthunyelwa kumayunithi wokudlulisa #1 kanye ne-#2 Umthwalo wehle waba ngu-450MW.
Ngo-22:21, umfutho womoya ocindezelwe insimbi waqhubeka ukwehla, futhi eminye iminyango yokulungisa umoya ihlulekile.Izicabha eziyinhloko nezishisisayo zesitimu ezishisa kakhulu zeyunithi #1 yavalwa ngokuzenzakalelayo.Izinga lokushisa lesitimu eliyinhloko lenyuke laya ku-585°C, futhi izinga lokushisa lomusi wokushisa kabusha lenyuka laya ku-571°C.℃, izinga lokushisa le-boiler end of wall lidlula i-alamu yomkhawulo, futhi imanuwali yebhayela ye-MFT kanye neyunithi kuyanqanyulwa ngokushesha.
Ngo-22:34, umfutho womoya ocindezelwe wehla wafinyelela ku-0.09MPa, umnyango olawula umusi we-shaft seal weyunithi #2 wavalwa ngokuzenzakalelayo, ukunikezwa kwesitimu se-shaft seal kwaphazamiseka, umfutho weyunithi emuva wenyuka, kanye “nomfutho ophansi wokukhipha umusi. izinga lokushisa liphezulu” isenzo sokuvikela (bheka isithombe esinamathiselwe 3), iyunithi ivaliwe.
22:40, vula kancane ukudlula okuphezulu kweyunithi #1 ngesitimu esisizayo.
Ngo-23:14, ibhoyili #2 iyathungela futhi ivulwe ku-20%.Ngo-00: 30, ngaqhubeka nokuvula i-valve ephezulu, futhi ngathola ukuthi imiyalelo yanda, impendulo yahlala ingashintshiwe, futhi ukusebenza kwezandla zendawo kwakungavumelekile.Kwaqinisekiswa ukuthi i-valve eseceleni ephezulu ibibhajwe futhi idinga ukuhlakazwa futhi ihlolwe.I-MFT yeManuwali yebhayela engu-#2.
Ngo-8:30, ibhayela engu-#1 iyabaselwa, ngo-11:10 i-steam turbine iyashesha, futhi ngo-12:12 iyunithi engu-#1 ixhunywe kugridi.
Iyacubungula
Ngo-21:21 ngo-Agasti 22, ama-compressor komoya #1 kuya ku-#9 akhubeke kanyekanye.Ngo-21:30, abasebenzi abalungisa ugesi kanye nabasebenzi bokugcina ukushisa baya endaweni ukuze bayohlolwa futhi bathola ukuthi ukushintsha kwamandla okusebenza kwengxenye ye-MCC ye-compressor yomoya kukhubeke futhi ibhasi laphelelwa amandla, okwenza ukuba wonke ama-compressor angu-9 alahlekelwe amandla e-PLC nakho konke. ama-air compressors akhubeka.
21:35 Amandla anikezwa esigabeni se-MCC se-compressor yomoya, futhi ama-air compressor #1 kuya ku-#6 aqalwa ngokulandelana.Ngemuva kwemizuzu emi-3, i-MCC ye-compressor yomoya ilahlekelwa amandla futhi, kanye nama-compressor komoya #1 ukuya ku-#6 uhambo.Kamuva, isishintshi samandla esisebenza nge-compressor MCC kanye neswishi yamandla eyisipele kuzanywe izikhathi ezimbalwa, futhi ibha yebhasi yesigaba se-compressor ye-MCC yakhubeka ngemva kwemizuzu embalwa ngemva kokushajwa.
Ihlola ikhabhinethi yokulawula ukususwa komlotha ekude ye-DCS, kutholwe ukuthi imojula ye-A6 yokufaka yokushintsha iyavutha.Inani lokufakwayo (24V) lesiteshi se-11 semojula ye-A6 likalwa futhi kwangena i-220V yamanje eshintshanayo.Hlola futhi ukuthi intambo yokufinyelela yesiteshi se-11 semojula ye-A6 kwakuyisikhwama sendwangu esingaphezulu kwendawo yokugcina umlotha ecolekileyo engu-#3.Isignali yempendulo yokusebenza kwefeni yokukhipha uthuli.Ukuhlolwa kwendawo #3 Iluphu yempendulo yesignali yokusebenza ebhokisini lokulawula isiphephetha-moya sesikhwama somlotha esihle sokuqoqa uthuli ixhunywe ngokungalungile kugesi wokulawula ongu-220V AC osebhokisini, okubangela ukuthi amandla angu-220V AC agelezele kumojuli ye-A6. ngomugqa wesignali wokusebenza kwabalandeli.Imiphumela ye-voltage ye-AC yesikhathi eside, Ngenxa yalokho, ikhadi lehlulekile futhi lasha.Izisebenzi zokunakekela zinqume ukuthi imojula yokukhipha amandla nokushintsha kwemojula yekhadi kukhabhinethi ingase ingasebenzi kahle futhi ayikwazi ukusebenza ngendlela evamile, okuholela ekukhubekeni okungavamile kokunikezwa kwamandla I kanye nokushintshwa kwamandla kagesi II kwesigaba se-MCC se-compressor yomoya.
Izisebenzi zokunakekela zisuse ulayini wesibili obangele ukuthi i-AC igeleze phakathi. Ngemva kokufaka imojuli ye-A6 eshisiwe, ukukhubeka okuvamile kokunikezwa kwamandla kagesi I kanye nokushintsha kwamandla II kwesigaba se-MCC se-compressor yomoya kwanyamalala.Ngemva kokubonisana nabasebenzi bezobuchwepheshe bomkhiqizi we-DCS, kwaqinisekiswa ukuthi lesi simo sikhona.
22:13 Amandla anikezwa esigabeni se-MCC se-compressor yomoya futhi ama-compressor komoya aqalwa ngokulandelana.Qala umsebenzi wokuqalisa iyunithi
Izinkinga eziveziwe:
1. Ubuchwepheshe bokwakha ingqalasizinda abulingani.I-XX Electric Power Construction Company ayizange yakhe izintambo ngokwemidwebo, umsebenzi wokulungisa iphutha awuzange wenziwa ngendlela eqinile nenemininingwane, futhi inhlangano eqondisayo yehlulekile ukuqedela ukuhlolwa nokwamukelwa, okwabeka izingozi ezifihliwe ekusebenzeni okuphephile. iyunithi.
2. Idizayini yokuphakelwa kwamandla okulawula ayinangqondo.Idizayini ye-air compressor PLC yokulawula amandla kagesi ayinangqondo.Wonke amandla okulawula i-air compressor PLC athathwa esigabeni esifanayo sebhasi, okuholela ekunikezeni kwamandla okukodwa kanye nokuthembeka okubi.
3. Idizayini yesistimu yomoya ecindezelweyo ayinangqondo.Ngesikhathi sokusebenza okuvamile, wonke ama-compressor omoya angu-9 kufanele asebenze.Ayikho i-air compressor eyisipele futhi izinga lokuhluleka kokusebenza kwe-air compressor liphezulu, okubeka ingozi enkulu yokuphepha.
4. Indlela yokunikeza amandla ye-MCC ye-compressor yomoya ayiphelele.Ukunikezwa kwamandla okusebenzayo kanye nomthombo wamandla oyisipele kusukela ezigabeni A no-B ze-PC yokususa umlotha engu-380V ukuya ku-MCC ye-compressor yomoya ayikwazi ukukhiya futhi ayikwazi ukubuyiselwa ngokushesha.
5. I-DCS ayinayo indlela yokucabanga nokucushwa kwesikrini se-air compressor PLC yokulawula amandla okunikezwa kwamandla, futhi ukuphuma komyalo i-DCS ayinawo amarekhodi, okwenza ukuhlaziya amaphutha kube nzima.
6. Uphenyo olunganele nokulawulwa kwezingozi ezifihliwe.Lapho iyunithi ingena esigabeni sokukhiqiza, izisebenzi zokunakekela zehlulekile ukuhlola iluphu yokulawula yendawo ngesikhathi, futhi izintambo ezingalungile kukhabhinethi yokulawula i-exhaust fan fan ayizange itholakale.
7. Ukuntuleka kwamandla okusabela ezimweni eziphuthumayo.Izisebenzi ezisebenzayo zazintula isipiliyoni sokubhekana nokuphazanyiswa komoya okucindezelwe, zinezibikezelo zezingozi ezingaphelele, futhi zazingenawo amandla okuphendula izimo eziphuthumayo.Basalungise ngokuphawulekayo izimo zokusebenza zeyunithi ngemva kokuba wonke ama-compressor omoya akhubeke, okuholele ekwehleni ngokushesha komfutho womoya ocindezelweyo;Lapho wonke ama-compressor ekhubeka ngemva kokusebenza, izisebenzi zokunakekela zahluleka ukunquma imbangela nendawo yephutha ngokushesha ngangokunokwenzeka, futhi zehluleka ukuthatha izinyathelo eziphumelelayo zokubuyisela ukusebenza kwamanye ama-compressor omoya ngesikhathi.
Izinyathelo zokuzivikela:
1. Khipha izintambo ezingalungile bese ushintsha imojuli yekhadi le-DI elishisiwe lekhabhinethi yokulawula yokukhipha umlotha ye-DCS.
2. Hlola amabhokisi okusabalalisa kanye namakhabethe okulawula ezindaweni ezinezimo zokusebenza ezinokhahlo nezinomswakama kuso sonke isitshalo ukuze kuqedwe ingozi efihliwe yamandla e-AC ageleza ku-DC;phenya ukwethembeka kwemodi yokunikezwa kwamandla kagesi obalulekile wokulawula umshini osizayo.
3. Thatha i-air compressor PLC yokulawula ukunikezwa kwamandla kagesi ezingxenyeni ezihlukene ze-PC ukuze uthuthukise ukuthembeka kokunikezwa kwamandla.
4. Thuthukisa indlela yokuphakelwa kwamandla ye-compressor ye-MCC yomoya futhi uqaphele ukukhiya okuzenzakalelayo kwe-air compressor MCC ukunikezwa kwamandla okukodwa nokubili.
5. Thuthukisa ukucabanga nokucushwa kwesikrini kwe-DCS air compressor PLC control power supply.
6. Yakha uhlelo lokuguqulwa kobuchwepheshe ukuze wengeze ama-compressor komoya amabili ayisipele ukuze kuthuthukiswe ukwethembeka kokusebenza kwesistimu yomoya ocindezelweyo.
7. Qinisa ukuphathwa kwezobuchwepheshe, uthuthukise ikhono lokuxazulula izinkinga ezifihliwe, udwebe imibono evela esibonelweni esisodwa futhi wenze ukuhlolwa kwezintambo okuvamile kuwo wonke amakhabethe okulawula namabhokisi okusabalalisa.
8. Hlunga izimo zokusebenza kweminyango ye-pneumatic esizeni ngemva kokulahlekelwa umoya ocindezelwe, futhi uthuthukise uhlelo oluphuthumayo lokuphazamiseka komoya ocindezelwe kuso sonke isitshalo.
9. Qinisa ukuqeqeshwa kwamakhono abasebenzi, hlela ukuqeqeshwa kwezingozi njalo, futhi uthuthukise amakhono okubhekana nezimo eziphuthumayo.
Isitatimende: Lesi sihloko senziwa kabusha kusukela ku-inthanethi.Okuqukethwe yi-athikili okwezinjongo zokufunda nokuxhumana kuphela.I-Air Compressor Network ihlala ingathathi hlangothi mayelana nemibono ekusihloko.I-copyright ye-athikili ingeyombhali wokuqala kanye nenkundla.Uma kukhona ukwephulwa komthetho, sicela usithinte ukuze ukususe.