Gwaro Rekugadzirisa Sisitimu Yekudzora Geothermal
Sisitimu yekudzora iri muchigadzirwa chemagetsi epasi pemvura kana panzvimbo inoshanda se "pfungwa" dzinochengetedza maitiro acho akasimba, akachengeteka, uye anoshanda zvakanaka. Kubva pakudzora mwero wekuyerera kwemvura nemhepo uye kudzora kumanikidzwa kwezvikamu kusvika pakuchengetedza michina yakaita sematurbine, mapombi, uye ma "heat exchangers" - zvese zvinoenderana nemidziyo yakavimbika uye logic yekudzora. Nekuti nzvimbo dzepasi pemvura dzinozivikanwa nekuora, kupisa kwakanyanya, uye dzine magasi akadai seH₂S neCO₂, kuchengetedza sisitimu yekudzora kunofanirwa kuve kwakarongwa, kwakanyorwa, uye kwakatarisana nekuchengetedzeka. Chinyorwa chino chinopa gwara rinoshanda rekuchengetedza sisitimu yekudzora kupisa, kubva pakuongorora nguva dzose kusvika pakuvandudza kuvimbika.
1. Kuwanda kweSisitimu Yekudzora Kupisa Kwepasi
Usati wagadzira chirongwa chekugadzirisa, zvakakosha kunzwisisa zvinhu zvikuru zvinowanikwa muhurongwa hwekudzora kupisa kwepasi:
1. MaSensor nematransmitter: kumanikidzwa, tembiricha, kuyerera, mwero, pH/conductivity, gasi (H₂S), kudedera, nezvimwewo.
2. Chinhu chekupedzisira chekudzora: vharuvhu yekudzora, vharuvhu inodzima, solenoid, actuator yepneumatic/hydraulic/electric, variable speed drive (VSD) yepombi.
3. Sisitimu huru yekudzora: PLC/DCS, module yeI/O, I/O iri kure, network yekutaurirana (fiber/ethernet/serial), HMI/SCADA.
4. Masisitimu ekudzivirira nekukiya: ESD (Emergency Shutdown), SIS (Safety Instrumented System) kana ikashandiswa, turbine trip, dziviriro yejenareta.
5. Zvishandiso zvemagetsi nemidziyo: UPS, 24VDC, panel yekugovera, mudziyo wemhepo, dryer, regulator.
6. Tambo, mabhokisi ekubatanidza, makabati ekugadzirisa, uye pasi: zvinhu zvinowanzo "kanganwika," kunyangwe zvichikosha.
Chirongwa chakanaka chekugadzirisa zvinhu izvi chinobatanidza zvinhu izvi murejista yezvigadzirwa zvine ma tag, nzvimbo, ma specifications, uye nhoroondo yematambudziko.
2. Nheyo dzeKuchengetedza: Dzakachengeteka, Dzinoyerwa, uye Dzakanyorwa
Kugadzirisa sisitimu yekudzora hakusi kungo "gadzirisa kana yaparara," asi kuve nechokwadi chekuti kuyerwa kwakarurama uye mhinduro yekudzora inoramba iri sezvakarongwa. Nheyo nhatu huru:
– Kuchengetedzeka: shandisa LOTO (Lockout Tagout), maitiro ekushanda anopisa, mvumo dzebasa munzvimbo dzeH₂S, uye simbisa mamiriro asina simba.
– Kuyerwa (metrology): kuyerwa kunofanirwa kuteverwa nechiyero; nyora mhedzisiro "sezvakawanikwa" uye "sezvakasara".
- Zvinyorwa: shanduko kune transmitter range, control tuning, kana logic revisions dzinofanira kupfuura ne management of change (MOC) uye magwaro ekugadzirisa.
3. Matambudziko Ezvakatipoteredza Anokanganisa Maitiro Ekutonga
Nzvimbo yekupisa kwepasi pevhu inoda zvakanyanya zvishandiso:
– Kuora nekukwesha kwemvura mumitsetse yemvura ine hunyoro/mvura inogona kukanganisa mitsetse yekufema, kugogodza, uye masensa.
– Kupisa kwakanyanya kunoita kuti tambo, magasket, uye zvemagetsi zvikurumidze kukwegura pedyo nenzvimbo yemvura kana nzvimbo yekuparadzanisa.
- Kudengenyeka kwakakomberedza maturbine, mapombi, kana mapaipi makuru kunogona kusunungura magumo uye kukanganisa masensa ekutemesa kana akaiswa zvisina kunaka.
– Hunyoro nesarufa zvinowedzera njodzi yekuora pazviteshi, zvinobatanidza, maPCB, uye zvinovharirwa zvisina kusimba.
Saka, kugadzirisa kunofanira kuitwa zviri nani pane mumaindasitiri emazuva ese ekugadzirisa zvinhu.
4. Chirongwa Chekuongorora Nguva Dzose (Zuva Nezuva–Vhiki Nevhiki–Mwedzi Nemwedzi)
Kuongorora kwezuva nezuva/vhiki nevhiki (kushanda)
- Tarisa mafambiro eHMI: kumanikidzwa kwekuparadzanisa, tembiricha, mwero, mwero wekuyerera, uye kutsauka kwenzvimbo.
- Tarisa maaramu ekuti "PV yakaipa", "sensor fail", kana "communication loss".
- Simbisa mamiriro eUPS: mamiriro ebhatiri, mutoro, uye logi yezviitiko.
- Tarisa zvishandiso zvemvura: kumanikidzwa kwemusoro, nzvimbo yedova rekuomesa, uye kuvapo kwemvura inonyungudika mudhireni.
Kuongororwa kwemwedzi wega wega
- Kuongorora panel yekudzora: kuchena, tembiricha panel, feni/sefa yemhepo, chiratidzo chehotspot kana kunhuwa kwemoto.
– Kuongorora nemaziso tambo nemagland: iva nechokwadi chekuti hapana mitswe, kutsemuka, kana kupinda kwemvura.
- Kugadzirisa sampuro: edza zvidzoro zvakakosha zvakasiyana-siyana (semuenzaniso kumanikidzwa kwekuparadzanisa, huwandu hwedhiramu, kudzora turbine bypass) kuti uve nechokwadi chekuti mhinduro yakajairika.
5. Kuenzanisa uye Kuedza MaLoop (Kota Negore Negore)
Kuenzanisa kunofanirwa kuenderana nekukosha. Zvishandiso zvine chekuita nekuchengetedzeka uye mafambiro ekudzivirira zvinoedzwa kakawanda kupfuura zvishandiso zvisina kukosha.
– Pressure/DP transmitter: tarisa zero drift, linearity, uye mamiriro e impulse line (potential plugging).
– Tembiricha (RTD/TC): simbisa ne dry block calibrator, tarisa kuvimbika kwetambo yekubhadharisa (yeTC).
– Flowmeter: ye orifice/DP, iva nechokwadi chekuti plate ye orifice iri mumamiriro api; ye vortex/ultrasonic, tarisa pane chiratidzo, pasi, uye mamiriro epombi.
– Nhanho: radar/guided wave inoda kuongororwa kweantenna/probe; Nhanho yeDP inoda kutariswa negumbo rakanyorova/gumbo rakaoma uye huwandu hwemvura.
Pamusoro pekuongororwa kwemapoinzi, ita bvunzo ye loop: kubva ku sensor → I/O → logic → output → final element. Chinangwa ndechekuona kuti hapana zvikanganiso zve wiring, scaling muDCS, kana out-of-sync range configurations.
6. Kugadzirisa Valvu Yekudzora uye Kugadzirisa Chinobatidza
Mavharuvhu ekudzora ndiwo anowanzo kukonzera matambudziko nekuti anoshanda nguva dzose uye anosanganisirwa nemvura inokasharara.
Ongororo huru:
– Kuongororwa kwestroke: nguva yekutanga-yekugumisa, hysteresis, uye deadband.
– Tarisa nzvimbo (yemagetsi kana yedhijitari): mvura yakachena uye yakagadzikana, sefa yekutonga haina kuvharika.
– Ongorora kana paine kudonha kwemvura mupaketi, mamiriro ekugadzirisa/chigaro (mukana wekukukurwa/kuora), uye kuvimbika kwepiston diaphragm.
– Kune mavharuvhu ari mumitsetse yemvura ine mwero inokasira kukura, ronga kuchenesa kana kutsiva jira racho nguva nenguva.
Shandisa data kubva pachiratidzo chevharuvhu (kana chiripo) kufanotaura kukuvara kusati kwaitika.
7. Kuvimbika kwePLC/DCS, Network, uye HMI/SCADA
Zvikanganiso zvekudzora zvinowanzobva kwete kumidziyo yemumunda, asi kubva kuzvivakwa zvekudzora.
– Kuchengetedza nekugadzirisa: Ronga kuchengetedza mapurogiramu ePLC/DCS, vanyori venhoroondo dzedatabase, uye magadzirirwo eHMI. Zvishandiso zvekuchengetedza zvakarongerwa kudzivirira kukanganisa mashandiro.
- Hutano hweNetwork: tarisa kunonoka, kurasikirwa kwepakeji, mhando yefiber, uye mamiriro eswitch/UPS paRTU kana kure I/O.
- Kuwedzerwa kwesimba: kuyedza kutadza kushanda kweCPU, magetsi asina kushandiswa, uye network yeringi (kana uchishandisa).
- Kutarisira maalarm: gadzirisa maalarm emafashamo, sarudza zvinhu zvinokosha, uye bvisa maalarm anonetsa kuti vashandi vakwanise kutarisa pane zvakakosha.
8. Kuongororwa kweESD/SIS uye Kuchengetedzwa kweKubatana
Kune nzvimbo dzinoshandiswa nemhepo inopisa, nzvimbo dzinovharira dzakadai sema turbine trips, high-high pressure, kana low-low level pane mamwe masisitimu dzinofanira kuyedzwa panguva dzakakodzera.
Maitiro anokurudzirwa:
– Bvunzo inoshanda (bvunzo yekusimbisa) ine maitiro akanyorwa uye zvapupu kana zvichidikanwa nemitemo.
- Nyora nguva yekupindura, mamiriro ezvinhu "sezvakawanikwa", zvakawanikwa zvenguva pfupi, uye matanho ekugadzirisa.
- Iva nechokwadi chekuti nzira dzekuvharira dzepanzira dzinoshandiswa zvakanyanya (kudzora nzira dzepanzira): kune mapemiti, nguva yakatarwa, uye zviziviso zvakajeka paHMI.
Kana sisitimu ikashandisa SIS yakayerwa neSIL, tevera zvinodiwa neIEC 61511/61508 kuti uwane humbowo hwekuvharwa kwebvunzo uye kuverenga kwePFD.
9. Kuongorora Kukanganiswa uye Kugadzirisa Zvine Chekuita Nemamiriro Ezvinhu
Kuti uvandudze kuvimbika, sanganisa kugadzirisa nguva nenguva nenzira inotungamirirwa nedata:
– Zviri kufarirwa: Kudonha kwePV, ruzha rwakawedzera rwechiratidzo, kana shanduko muhunhu hwevharuvhu zvinogona kuva zviratidzo zvekutanga.
– RCA (Root Cause Analysis): rwendo rwese rwakakosha runoongororwa, kwete kungo "gadzirisa wobva waenda".
– Zvikamu zvakakosha zvekuchengetedza: ma transmitter echitoro, ma I/O modules, magetsi, ma positioners, ma solenoids, uye zvikamu zveUPS zvichienderana nekuongorora kwenguva yakatarwa.
- Kugadzirisa: deredza kusiyana kwemhando/mhando kuti zvive nyore kugadzira, kudzidziswa, uye kuenderana.
10. Hunyanzvi hweVashandi, Maitiro, uye Ongororo
Tekinoroji yekudzora iri kuramba ichichinja; hunyanzvi hwehunyanzvi hunofanira kuchengetedzwa kuburikidza nekudzidziswa nguva dzose munzvimbo dzakadai sekugadzirisa, network yemaindasitiri, kuchengetedzwa kwepamhepo, uye kuchengetedzeka kweH₂S. Ita shuwa kuti basa rese rinotevedzera maitiro akajairwa ekushanda (SOPs), mafomu ekugadzirisa, uye machecklist. Ita ongororo dzemukati kuti uongorore kutevedzera mitemo, hunhu hwemagwaro, uye kushanda zvakanaka kwechirongwa chekugadzirisa.
Penutup
Kugadziriswa kwegadziriro yemagetsi inodziya (geothermal control system) inzira yakananga yekuisa mari mukuchengetedza uye kugadzira zvinhu. Nekubatanidza kuongororwa kwakajairika, kuyerwa kwekuenzanisa, kuyedzwa kwe loop ne interlock, kugadziriswa kwemavharuvhu kwakarongeka, uye manejimendi yePLC/DCS yakanaka uye network, nzvimbo dzemagetsi dzinodziya dzinogona kuderedza kudzima kwemagetsi, kudzivirira mafambiro anodzokororwa, uye kuchengetedza kushanda zvakanaka. Chinokosha pakubudirira chiri mukuenderana: maitiro akajeka, data rakazara, uye tsika yebasa inoisa pamberi kuchengetedzeka uye hunhu hwehunyanzvi.
