Kutadza kuongororwa kwekamwe kamwe kudonhedza kudonha mu compressed air system
Kukundikana Kuongorora kweKamwe Kamwe Kudzvinyirira Kudonha muInstrument Yakadzvanywa Mhepo System yeChirimwa Chese.
Icho chiridzwa chakatsikirirwa mhepo yemagetsi emagetsi chinoshanda sechishandiso chekudzora mhepo sosi uye isimba rekushandisa kune pneumatic zvishandiso zvejenareta set (kuchinja uye kudzora pneumatic mavharuvhu, nezvimwewo).Kana iyo midziyo uye sisitimu ichishanda zvakajairika, kudzvanywa kwemhepo imwechete compressor ndeye 0.6 ~ 0.8 MPa, uye iyo system steam inopa hombe pombi pressure haisi pasi pe0.7 MPa.
1. Kukanganisa maitiro
Instrument air compressors A uye B yemagetsi chirimwa chiri kushanda, uye chiridzwa mhepo compressor C iri mukupisa yekumira.Pa11:38, kutariswa kwevashandi kwakawana kuti mavharuvhu epneumatic eUnit 1 uye 2 aishanda zvisirizvo, uye mavharuvhu aisagona kuvhurwa, kuvharwa, uye kugadziridzwa zvakajairika.Tarisa midziyo yemunharaunda uye ona kuti matatu midziyo yemhepo compressors iri kushanda zvakajairwa, asi shongwe dzekuomesa dzezviridzwa zvitatu zvemhepo compressor dzese dzakarasa simba uye hadzichashandi.Iwo solenoid mavharuvhu painopinza yeshongwe dzekuomesa ese akadzimwa uye akavharwa otomatiki.Kumanikidza kwepombi kunoderera nekukurumidza.
Kumwe ongororo panzvimbo yakawana kuti magetsi ekumusoro-soro "air compressor room thermal control distribution box" yetatu air compressor drying towers akanga apera simba, uye bhawa repamusoro-level magetsi "380 V instrument air compressor. MCC chikamu" yakarasika voltage.Troubleshoot kukanganisa kweiyo thermal control distribution box muair compressor room uye mitoro yayo (air compressor drying tower, etc.) uye simbisa kuti kukanganisa kunokonzerwa nezvimwe zvinhu zvinorema muchikamu cheMCC chemudziyo wemhepo compressor.Mushure mekuparadzanisa nzvimbo yekukanganisa, simba pa "380 V chiridzwa chemhepo compressor MCC chikamu" uye "air compressor room thermal control distribution box".Magetsi ezviridzwa zvitatu zvemhepo compressor drying tower akadzorerwa uye akadzoserwa mukushanda.Yavo inlet electromagnetic Mushure mekunge vharuvhu yabatidzwa, inozovhurika otomatiki, uye kudzvanywa kwepombi huru yechiridzwa inotsikirirwa inozowedzera zvishoma nezvishoma kusvika kune yakajairika.
2. Kukundikana kuongorora
1. Magadzirirwo emagetsi ekuomesa shongwe haana musoro
Iyo magetsi ezviridzwa zvitatu zvemhepo compressor yekuomesa shongwe uye inlet solenoid valve yekudzora bhokisi inotorwa kubva muiyo thermal control yekugovera bhokisi mune chiridzwa mhepo compressor kamuri.Iyo magetsi eiyi bhokisi rekugovera idunhu rimwechete uye inongotora kubva ku380 V chiridzwa mhepo yekumanikidza.Chikamu cheMCC chemuchina hachina chekuchengetedza magetsi.Kana kutadza kwemagetsi kwebhazi kunoitika muchikamu cheMCC chemudziyo wemhepo compressor, bhokisi rekugovera redhisheni rekamuri remudziyo wemhepo compressor uye shongwe dzekuomesa dzechiridzwa chemhepo compressor A, B, uye C zvese zvinodzimwa uye kunze kwebasa. .Iyo inlet solenoid valve inovharawo yega kana magetsi adzima, zvichiita kuti kudzvanywa kwepombi hombe yepombi inotsikirirwa kwemhepo kudonha nekukurumidza.Panguva ino, mavharuvhu epneumatic ezvikamu zviviri haana kukwanisa kuchinjwa uye kugadziriswa kazhinji nekuda kwekuderera kwemhepo ine simba remhepo.Kushanda kwakachengeteka kweNo. 1 uye No. 2 generator units kwakatyisidzirwa zvakanyanya.
2. Dhizaini yekuomesa shongwe yemagetsi inoshanda chimiro chechiratidzo loop haina kukwana.Iyo yekuomesa shongwe yekugovera magetsi emidziyo iri pa-saiti.Iyo yekuomesa shongwe yemagetsi inoshanda chimiro kure yekutarisa chikamu haina kuisirwa, uye magetsi ekupa chiratidzo kure chekutarisa loop haina kugadzirwa.Vashandi vekushanda havagone kutarisa mamiriro ekushanda kweiyo shongwe yekuomesa magetsi kubva kune centralized control room.Kana iyo shongwe yekuomesa magetsi isina kujairika, haigone kuona uye kutora matanho anoenderana nenguva.
3. Iyo yekumanikidza chiratidzo chedunhu dhizaini yemudziyo wakadzvanywa mhepo system haina kukwana.Icho chiridzwa chakatsikirirwa mhepo huru pombi chiri munzvimbo, iyo system yekumanikidza kuyerwa uye data kure kure kutumira zvikamu hazvina kuisirwa, uye iyo system yekumanikidza chiratidzo kure yekutarisa yedunhu haina kugadzirwa.Iyo centralized control duty officer haigone kutarisa iyo hombe pombi kudzvanywa kwechiridzwa chakamanikidzwa mhepo system kubva kure.Kana iyo system uye main pipe pressure yachinja, mukuru webasa haakwanise kuona nekukurumidza uye kutora matanho nekukasira, zvichikonzera kuwedzera michina uye nguva yekutadza system.
3. Kugadzirisa matanho
1. Kuvandudza magetsi ekuomesa shongwe
Iyo magetsi emagetsi maitiro eiyo yekuomesa shongwe yezviridzwa zvitatu zvemhepo compressors yakashandurwa kubva kune imwechete magetsi kuenda kune maviri emagetsi magetsi.Iwo maviri magetsi emagetsi akavharwa uye anochinjika otomatiki kuti avandudze kuvimbika kwemagetsi eiyo shongwe yekuomesa.Nzira dzekuvandudza dzakananga ndedzinotevera.
(1) Isa imwe seti yembiri-yedunhu magetsi otomatiki switching mudziyo (CXMQ2-63/4P rudzi, bhokisi rekugovera) mu380 V yeruzhinji PC yekugovera magetsi mukamuri, ine simba rayo rinotorwa kubva kubhavha switching nguva ye380 V yeruzhinji. PCA chikamu uye chikamu chePCB zvichiteerana., uye kubuda kwayo kwakabatana kune simba rinouya kupera kweiyo thermal control yekugovera bhokisi mumhepo compressor kamuri yezviridzwa.Pasi peiyi nzira ye wiring, magetsi eiyo thermal control yekugovera bhokisi mune mudziyo wemhepo compressor kamuri inoshandurwa kubva ku380 V mudziyo wemhepo compressor MCC chikamu kusvika kumagumo ekubuda kweiyo mbiri-yedunhu magetsi ekuchinja mudziyo, uye magetsi anoshandurwa. kubva kudunhu rimwe kuenda Iri dunhu rembiri rinokwanisa kuchinjika otomatiki.
(2) Iyo magetsi ezviridzwa zvitatu zvemhepo compressor yekuomesa shongwe ichiri kutorwa kubva kuiyo thermal control yekugovera bhokisi mumudziyo wemhepo compressor mukamuri.Pasi peiyo nzira yekuisa waya, yega yega mhepo compressor yekuomesa shongwe zvakare inoona mbiri mbiri magetsi Power supply (isina kunanga nzira).Iyo huru tekinoroji paramita yembiri-yedunhu simba otomatiki switching mudziyo: AC yekupinda uye inobuda voltage 380/220 V, yakayerwa ikozvino 63 A, simba-kudzima switching nguva isingapfuuri 30 s.Munguva ye-dual-circuit simba switching process, iyo thermal control yekugovera bhokisi remudziyo air compressor room uye mutoro wayo (kuomesa shongwe uye inlet solenoid valve control box, nezvimwewo) ichadzimwa kwenguva pfupi.Mushure mekuchinja kwesimba kwapera, iyo yekuomesa shongwe yekudzora wedunhu ichatangazve.Mushure mekugamuchira simba, shongwe yekuomesa inoiswa otomatiki kushanda, uye iyo inlet solenoid valve inovhurika otomatiki, ichibvisa kudiwa kwevashandi kuti vatangezve michina uye kuita mamwe maoparesheni ipapo (basa rekutanga remagetsi control dhizaini yekuomesa. shongwe).Iyo nguva yekudzima kwemagetsi maviri-yedunhu magetsi ekupa switch iri mukati me30 s.Mamiriro ekushanda echikwata anobvumira 3 chiridzwa chemhepo compressor drying tower kuti dzidzime uye kudzimwa kwemaminetsi mashanu kusvika manomwe panguva imwe chete.Iyo mbiri-yedunhu magetsi ekuchinja nguva inogona kuzadzisa zvakajairwa zvinodikanwa zvechiridzwa chakamanikidzwa mhepo system.basa rinodiwa.
(3) Pachikamu che380 V yeruzhinji PCA chikamu uye PCB chikamu chekugovera magetsi makabati, iyo yakayerwa ikozvino yemagetsi switch inoenderana neyakaviri-channel magetsi switching mudziyo ndeye 80A, uye tambo dzinopinda uye dzinobuda dzembiri-chaneli magetsi ekuchinja mudziyo. vachangobva kuiswa (ZR-VV22- 4×6 mm2).
2. Kuvandudza shongwe yekuomesa simba rekushandisa kushanda chimiro chiratidzo chekutarisa loop
Isa yepakati relay (MY4 mhando, coil voltage AC 220 V) mukati meiyo mbiri-simba otomatiki switching mudziyo bhokisi, uye relay coil simba rinotorwa kubva pakubuda kwembiri-simba switching mudziyo.Iwo anowanzo kuvhurika uye anowanzo kuvharika masaini masaini eiyo relay anoshandiswa kugadzira yekuvhara chiratidzo (yakuomeswa shongwe ine simba rekushanda mamiriro) uye yekuvhura chiratidzo (inoomesa shongwe yekudzima simba) yehuviri simba switching mudziyo inopinda unit DCS control system uye inoratidzwa pa. paDCS yekutarisisa skrini.Isa chiratidzo chekushanda cheDCS chekutarisa tambo (DJVPVP-3 × 2 × 2 × 1.0 mm2) yemagetsi maviri emagetsi ekuchinja mudziyo.
3. Kuvandudza dhizaini yekutarisa dunhu rechiridzwa chakamanikidzwa mhepo system
Isa chiratidzo chiri kure chekufambisa kudzvanywa transmitter (yakangwara, yedhijitari yemhando yekuratidzira, magetsi 24 V DC, inobuda 4 ~ 20 mA DC, yekuyera renji 0 ~ 1.6 MPa) papombi huru yemhepo yakamanikidzwa yechiridzwa, uye shandisa yakamanikidzwa. mhepo yechiridzwa Iyo system yekumanikidza chiratidzo inopinda muyuniti DCS uye inoratidzwa pane yayo yekutarisa skrini.Isa iyo yakamanikidzwa yemhepo pombi yekumanikidza chiratidzo cheDCS chekutarisa tambo yechiridzwa (DJVPVP-2 × 2 × 1.0 mm2).
4. Kunyatsogadziriswa kwemidziyo
Iwo matatu aridzwa air compressor drying towers akamiswa imwe neimwe, uye miviri yavo uye zvemagetsi uye zvinopisa zvinodzora zvikamu zvakaongororwa uye zvakachengetwa kuti zvibvise kukanganisa kwemidziyo.
Chirevo: Ichi chinyorwa chakaburitswa kubva paInternet.Zviri muchinyorwa ndezvekudzidza nekutaurirana chete.Air Compressor Network inoramba isina kwayakarerekera maererano nemaonero ari muchinyorwa.Chinyorwa ndechemunyori wemabviro.Kana pane kukanganisa, tapota taura nesu kuti tibvise.
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