Ukusetyenziswa kwesicoci se-oyile ye-electrostatic kwinkqubo yeoli ye-injini yomoya

I-Abstract: umgangatho we-oyile ye-turbine yokuthambisa kunye ne-oyile ye-hydraulic enganyangekiyo kumlilo ichaphazela ngokuthe ngqo ukusebenza okukhuselekileyo nokuthembekileyo kweyunithi ye-injini yomoya.Ngomkhwa osingise kumthamo omkhulu kunye nee turbines zepharamitha eziphakamileyo, iimfuno zococeko lweoyile yokuthambisa yeiturbine kunye neoyile yolwelo olwenziwa ngoxinzelelo lomlilo iya isiba phezulu ngokunyuka.Eli phepha lazisa umgaqo kunye nokusebenza kwesicoci se-oyile ye-electrostatic kwaye sibonisa ukusetyenziswa kwayo kwi-oyile yokuthambisa ye-turbine kunye ne-oyile yehydraulic enganyangekiyo emlilweni.

Amagama aphambili: isicoci se-oyile yombane, ifilimu, ioyile yokuthambisa, ioyile yehydraulic enganyangekiyo emlilweni, iturbine.

Intshayelelo
I-Steam turbine lubrication system isetyenziselwe i-oyile ye-steam turbine yokuthambisa i-oyile kunye ne-hydraulic control system resistant hydraulic oil, ineemfuno ezingqongqo ekusebenzeni kweyunithi, njenge-viscosity, ungcoliseko lwamasuntswana, ukufuma, ixabiso le-asidi, ukumelana ne-oxidation, ukuxhathisa i-emulsification [1-2], ukungcoliseka kwamasuntswana. kubaluleke kakhulu, okunxulumene ne-injini ye-rotor shaft kunye nokunxiba, inkqubo yokulawula, ukuguquguquka kwevalve kunye ne-valve ye-servo, ichaphazela ngokuthe ngqo ukhuseleko lokusebenza kwezixhobo ze-injini yomphunga.

Ngokuphuhliswa kwezixhobo ze-injini ye-steam kwicala lomthamo omkhulu kunye neeparitha eziphezulu, ukuze kuncitshiswe ubungakanani besakhiwo semoto yeoli, i-oyile ye-hydraulic echasene nokutsha ikhula kwicala loxinzelelo oluphezulu [3-4].Ngokuphuculwa kweemfuno zokuthembeka komsebenzi weyunithi, iimfuno zokucoceka kwe-oyile yokuthambisa ye-injini yomphunga kunye ne-oyile ye-hydraulic echasene nokutsha ziya ziba phezulu kwaye ziphezulu.Ukuze kuqinisekiswe ukuba isalathisi somgangatho we-oyile kwiyunithi yokusebenza isoloko ilawulwa ngaphakathi kuluhlu olusemgangathweni, ioyile yokuthambisa kunye ne-oyile echasayo ye-hydraulic ye-oyile ye-intanethi yokucoca i-oyile iyafuneka, ngoko ke ukukhethwa kwesicoci se-oyile kunye nesiphumo sonyango siya kuthi ngqo. kuchaphazela ukhuseleko kunye nokuthembeka komsebenzi weinjini yomphunga.

Uhlobo lokucoca
Uhlobo lokucoca ioli luhluke ngokomgaqo wokucoca.I-oyile yokucoca i-oyile inokwahlulwa ibe yi-filtration yomatshini, i-centrifugal filtration kunye ne-electrostatic adsorption filtration (njengoko kubonisiwe kwiThebhile 1).Kubunjineli obusebenzayo, iindlela ezininzi zonyango ezahlukeneyo zihlala zisetyenziswa ngokudibeneyo.

1.1 Umatshini wokucoca ioli
Isicoci se-oyile esingumatshini kukuthintela ukungcola kwe-oyile ngesixhobo sokucoca ngomatshini, isiphumo saso sokucoca sinxulumene ngokuthe ngqo nokuchaneka kwesihluzo somatshini ukuchaneka kokucoca ukuya kuthi ga kwi-1 um, olu hlobo lwesicoci se-oyile sisetyenziswa kakhulu inkqubo yamandla.Ngokubanzi, isicoci se-oyile esiphindwe kabini, isikrini sesicoci se-oyile esibuyayo kunye nescreen sesicoci se-intanethi esilungiselelwe kwinkqubo ye-oyile yokuthambisa zonke zezomatshini wokucoca ioyile.Ukungcola kwamasuntswana amakhulu kwinkqubo ye-oyile yokuthambisa kunokususwa ngesicoci se-oyile esingumatshini, kwaye ukungcola okuncinci kwamasuntswana kunokususwa ngento echanekileyo yokucoca ngoomatshini.
Ukungalungi komatshini wokucoca ioyile: okukhona kuphezulu ukuchaneka kokucoca, amandla amakhulu ahambelana nokumelana, ilahleko yoxinzelelo lonikezelo lwe-oyile inkulu;umlinganiselo wobomi benkonzo yesihluzi esifutshane, umsebenzi kufuneka utshintshe into yokucoca rhoqo emsebenzini, ukusebenza akunakwenzeka kubangela ungcoliseko olwenziwayo;ayikwazi ukucoca ngokufanelekileyo amanzi kunye neglu kwioli I-substance kunye ne-debris encinci kunobukhulu bomcoci.Ukoyisa izinto ezingeloncedo eziPhezulu, kwizicelo zobunjineli, isicoci se-oyile ngoomatshini rhoqo kunye nenye indlela yeKhemikhali (efana nokuphelelwa ngamanzi emzimbeni, njl.njl.), isetyenziswa kunye ukuphumeza eyona ndawo ilungileyo isiphumo sengqiqo.

1.2 Isicoci se-oyile ye-Centrifugal

Itekhnoloji yokucoca i-centrifugal yesicoci se-oyile kukusebenzisa i-centrifuge ukucoca i-oyile etankini.Ngokujikeleza ioli equkethe amaqhekeza kunye nezinye izinto ezingcolileyo kwisantya esiphezulu, ubuninzi bukhulu kunokungcola kweoli i-centrifugal ngaphandle, ukufezekisa injongo yokwahlula ioli ecocekileyo.Iinzuzo zayo kukuba ukukhutshwa kwamanzi akhululekile kunye neengqungquthela ezinkulu zokungcola kunempembelelo enhle, umthamo omkhulu wokonyango, ukungahambi kakuhle kukuba ukukhutshwa kwamancinci amancinci akubi, kwaye akukwazi ukususa amanzi angenawo.Isicoci se-oyile ye-Centrifugal sisetyenziswa kakhulu kunyango lwamafutha kwiplanti ye-injini yegesi, kwaye ihlala isetyenziswa ngokudityaniswa nonyango lokucoca ngoomatshini kwinkqubo ye-oyile yokuthambisa i-injini yomphunga.Ngenxa yokuba i-high-speed rotation ye-centrifuge nayo inkulu, izixhobo zinomsindo, indawo yokusebenza engafanelekanga, umthamo kunye nobunzima.

1.3 Isicoci se-oyile ye-Electrostatic

Isicoci se-oyile ye-electrostatic ikakhulu sisebenzisa amandla ombane aphezulu ombane we-electrostatic owenziwe ngumenzi we-electrostatic ukwenza amasuntswana angcolisekileyo kwi-oyile afakwe ii-ion ze-electrostatic kwaye zincanyatheliswe kwifayibha phantsi kwesenzo sommandla wombane.Umgaqo uboniswe kwi-Figure 1. Ngenxa yomgaqo we-adsorption kunokuba uhlanjululwe, isicoci se-oyile ye-electrostatic singabamba zonke iintlobo zokungcola kwe-0. 02 μ m, kubandakanywa izinto ezilukhuni zetsimbi, iincinci ezithambileyo zingasuswa.

Iimpawu zesicoci se-oyile ye-electrostatic:

(1)Ukuchaneka kokucoca okuphezulu, ukuchaneka kokucoca ukuya kuthi ga kwi-0. 1 μ m, Inokususa izinto ezingcolisa i-sub-micron;
(2) inokudibanisa ngokufanelekileyo inkqubo yokucoca kunye nenkqubo yokudibanisa, Inokususa ngokukhawuleza amanzi kunye negesi;
3Isantya esikhulu sokuhamba, sinokuhlangabezana neemfuno zokuhlamba kunye nokucoca;
(4) inkqubo yokucoca, ngetekhnoloji yokucoca i-electrostatic polymerization ayiyi kususa kuphela ukungcola kunye namasuntswana kwioli, kodwa inokususa iimveliso ze-asidi, i-colloid ephilayo, udaka lwe-oyile, ivanishi kunye nezinye izinto ezinobungozi zicocekile, zikhusela ukuvuselelwa, ukuphucula ioli. isalathisi semveliso;
5

2 Ivanishi
2.1 Ingozi yevanishi
"i-varnish" ikwaziwa ngokuba yi-carbon accumulation, iglue, i-lacquer material, i-oksijini elastiki Ikhemikhali, isikhumba se-patent, njl., inokwenzeka ukuba i-orenji, i-brown okanye i-black non-soluble Isisombululo se-membrane sediment, yimveliso yokuchithwa kweoli.Emva kokuba i-varnish ibonakala kwi-steam turbine lubricating oil system, isilayidi ngaphakathi kwi-bearing I-varnish eyenziwe ifakwe ngokulula kwi-metal surface, ngokukodwa kwiibherethi ezininzi I-gap encinci iphumela kwi-filimi encinci ye-oyile kunye noxinzelelo lwefilimu ye-oyile enkulu, umthamo wokuthwala uyancipha, i-oyile yokuthambisa inyuka inyuka, ukhuseleko lokuthwala ihlathi luya kuchaphazela kakubi [4,10-11].
i-varnish phenomenon kunye nokulimala kwayo eYurophu naseMelika, iJapan iye yaxabiswa, i-United States Ilizwe liye laqulunqa umgangatho wokufumanisa i-varnish (ASTM D7843-18), kunye ne-varnish tendency index ifakwe kwi-index yovavanyo yokutshintsha kweoli.Ilizwe lethu liye labhala i-varnish njengento yokuvavanya kwi-GB / T 34580-2017.

Iingozi zevarnish zimi ngolu hlobo lulandelayo

(1) ngenxa yokushisa okuphezulu kokusebenza kwendawo yokuthwala, i-varnish kulula ukuyifaka kwindawo yokusebenza ye-shuttle, ngokuhamba kwexesha, ubuso buya kuba yimeko etyhidiweyo (jonga umfanekiso 2);

:(2) ukususwa kwebhloko kunye nokwandisa ukungqubana;
(3) ukuvala isicoci kwaye kubangele umonakalo wesixhobo;
(4) ivanishi efakwe kwindawo epholileyo ikhokelela ekupheliseni ubushushu, ukunyuka kobushushu be-oyile kunye ne-oxidation yeoli;
(5) ivanishi i-polar, kulula ukuyifaka kwintsimbi okanye iincinci eziqinileyo, ezibangela ukugqoka izixhobo.

2.2 ukususwa kwevarnish

I-oyile yokuthambisa "amasuntswana athambileyo" yevanishi kunye nodaka ibalelwa ngaphezulu kwe-80% yongcoliseko lulonke [12-13], ngenxa yokuba "amasuntswana athambileyo" ubungakanani buncinci, ukuba ukusetyenziswa kwendlela yokucoca ngoomatshini kulula ukubangela isicoci. , i-core purifier blockage kunye ne-filtration effect ayifanelekanga, kwaye i-electrostatic purifier particles i-adsorption field adsorption kumqokeleli, ngoko ke, inokususa ngokufanelekileyo amasuntswana amancinci kungcoliso lweoyile, kunye nomthamo wesikali mkhulu, ngoko ke isetyenziswa ngokubanzi kumazwe angaphandle ukususa ivanishi kunye ne-sludge. kwioli.I-electrostatic oil purifier ayikwazi ukususa ngokufanelekileyo i-varnish kwi-oyile yokuthambisa, kodwa iphinde ihlambe i-varnish efakwe kwi-metal surface ukuqinisekisa ukusebenza ngokukhuselekileyo kwezixhobo kunye nokwandisa ubomi benkonzo yeoli.

1.Ukusetyenziswa kwe-electrostatic oil purifier kwinkqubo yokuthambisa ioyile

Xa umzi-mveliso wamandla eFangchenggang ugqithise umatshini we-3 # ngoJuni ka-2019, into ecacileyo kakhulu yevarnish yafunyanwa kwi-axial tile (njengoko kubonisiwe kuMfanekiso 3), kunye namanqaku acacileyo okukrwela.I-Varnish ifunyenwe emva kovavanyo lwesampulu yeoli Isalathisi se-membrane propensity index sigqithise umgangatho, sifikelela kwi-18.2.Inkqubo ye-oyile ye-Lube-oyile yeyunithi Ixhotyiswe ngesicoci se-oyile ephindwe kabini, isicoci se-oyile yokubuyisela, isicoci se-intanethi, kodwa zonke zezezicoci zoomatshini, kunzima ukususa ivanishi.Ukongeza, isityalo samandla sathengwa Isicoci se-oyile ye-centrifugal esiphuma ngaphandle, nayo ayikwazi ukukhupha ivanishi.
Itanki yeoli yokuthambisa yalo matshini 3 # yi-43 m³, usebenzisa i-Great Wall TSA 46 i-oyile ye-Steam turbine (Udidi A).Ukuze uqinise le oyile yokuthambisa Kwi-varnish isuswe ngokupheleleyo, kwaye ithintele i-varnish kwakhona, uyilo i-VOC-E-5000 ngesantya sokuhamba kwe-3000 L / h, uhlobo lokucoca i-electrostatic purifier lwaveliswa Umatshini we-oyile (njengoko kubonisiwe kuMfanekiso 4), kwaye isetyenziswe kwi-oyile yokuthambisa yeFangchenggang power plant Ukuhlaziywa ngokutsha.Ioyile ecociweyo isampuliwe kwi-1000 mL rhoqo, ngokulandelanayo Kumaziko ovavanyo lomntu wesithathu iShanghai Runkai kunye neGuangzhou Research Institute yelabhoratri yohlalutyo.