Kushandiswa kwe electrostatic oiri yekuchenesa mune turbine oiri system

Abstract: mhando yeturbine yekuzora mafuta uye moto-inodzivirira hydraulic oiri inobata zvakananga kushanda kwakachengeteka uye kwakavimbika kweiyo turbine unit.Iine maitiro akananga kuhukuru-hukuru uye yakakwirira parameter turbines, izvo zvinodikanwa zvehutsanana hweturbine yekuzora mafuta uye inodzivirira moto hydraulic oiri zviri kuramba zvichikwira nekukwira.Iri bepa rinounza musimboti uye kuita kweiyo electrostatic mafuta yekuchenesa uye inopa mashandisiro ayo muturbine yekuzora oiri uye isingadziviriri moto hydraulic oiri.

Mazwi akakosha:electrostatic oiri yekuchenesa, firimu, mafuta ekuzora, moto-inodzivirira hydraulic mafuta, turbine.

Nhanganyaya
Steam turbine lubrication system inoshandisa steam turbine yekuzora oiri uye hydraulic control system inopikisa hydraulic mafuta, ine zvinodikanwa zvakanyanya mukushanda kweyuniti, senge viscosity, particle kusvibiswa, unyoro, kukosha kweasidhi, oxidation kuramba, emulsification kuramba [1-2], iyo particle kusvibiswa. inonyanya kukosha, ine chekuita neiyo turbine rotor shaft uye kutakura kupfeka, control system, kuchinjika kwevharuvhu uye servo valve, inokanganisa zvakananga kuchengetedzwa kwekushanda kwemhepo turbine michina.

Nekuvandudzwa kwemudziyo we turbine turbine mugwara rehukuru hukuru uye yakakwirira paramita, kuitira kudzikisa kukura kwechimiro chemota yemafuta, iyo anti-kupisa hydraulic oiri inokura munzira yekumanikidza yakakwira [3-4].Nekuvandudzwa kwezvakavimbika zvinodiwa zvekushanda kweyuniti, zvinodiwa zvehutsanana zveupfu turbine yekuzora mafuta uye anti-kupisa hydraulic oiri zviri kuramba zvichikwira nekukwira.Kuti uve nechokwadi chekuti indekisi yemhando yemafuta muchikamu chekushanda inogara ichidzorwa mukati meiyo chiyero, mafuta ekuzora uye anti-kupisa hydraulic oiri online mafuta ekuchenesa mafuta anodiwa, saka kusarudzwa kwemafuta anonatsa uye maitiro ayo ekurapa achananga zvakananga. kukanganisa kuchengetedza uye kuvimbika kweiyo steam turbine operation.

Mhando yekuchenesa
Mhando yemafuta anonatsa akasiyana zvichienderana neiyo filtration musimboti.Iyo yekuchenesa oiri inogona kupatsanurwa kuita mechanical filtration, centrifugal filtration uye electrostatic adsorption filtration (sezvinoratidzwa muTable 1).Muinjiniya inoshanda, nzira dzinoverengeka dzakasiyana dzekurapa dzinowanzo shandiswa mukusanganiswa.

1.1 Mechanical oiri yekuchenesa
Iyo mechanical oil purifier ndeyekubvutira kusvibiswa kwegranular mumafuta kuburikidza nemechanical filter element, yayo yekuchenesa mhedzisiro inoenderana nekurongeka kwemechanise sefa kurongeka kwesefa kunosvika 1 um, rudzi urwu rwekuchenesa mafuta rinoshandiswa zvakanyanya mukati. iyo simba system.Kazhinji, iyo yakapetwa kaviri yekuchenesa mafuta, inodzosa oiri yekuchenesa skrini uye yepamhepo yekuchenesa skrini yakagadziridzwa muoiri yekuzora sisitimu zvese ndezvemuchina wemuchina wekuchenesa mafuta.Huru hwehutsvina huri muoiri yekuzora system inogona kubviswa nemichina yekuchenesa oiri, uye diki diki tsvina inogona kubviswa nechaiyo mechanical purifier element.
Iko kushata kwemechanical oiri yekuchenesa: iyo yakakwira kukwenenzverwa kwechokwadi, iyo yakakura inoenderana nekupikisa simba, iyo mafuta ekupa kumanikidza kurasikirwa kukuru;iyo sevhisi yehupenyu hwesevhisi ipfupi, basa rinoda kutsiva iyo sefa chinhu kazhinji mubasa, kushanda hakugoneki kunokonzera kusvibiswa kwekugadzira;kusakwanisa kunyatsochenesa mvura uye kunama mumafuta Chinhu nemarara zvidiki pane saizi yemuchenesi.Kukunda iyo Yekumusoro kusaipa, muinjiniya maapplication, mechanical oiri yekuchenesa kazhinji neimwe net Chemical nzira (senge vacuum dehydration, nezvimwewo), inoshandiswa pamwechete kuwana yakanakisa nzvimbo inonzwisisika mhedzisiro.

1.2 Centrifugal oiri yekuchenesa

Iyo centrifugal filtration tekinoroji yekuchenesa mafuta ndeye kushandisa centrifuge kuchenesa mafuta mutangi.Nekutenderedza mafuta ane zvimedu uye zvimwe zvinosvibisa pakumhanya kwakanyanya, density yakakura kupfuura mafuta asina kuchena centrifugal kunze, kuzadzisa chinangwa chekuparadzanisa mafuta akachena.Zvayakanakira ndezvokuti kubviswa kwemvura yakasununguka uye zvidimbu zvakakura zvetsvina zvine maitiro akanaka, hukuru hwekurapa hutano, kukanganisa ndechokuti kubviswa kwezvimedu zviduku kwakashata, uye hakugoni kubvisa mvura isina kusununguka.Centrifugal oiri yekuchenesa inoshandiswa zvakanyanya mukurapa mafuta mugasi turbine chirimwa, uye inowanzoshandiswa pamwe chete nemakanika yekusefa kurapwa muutsi turbine lubricating oiri system.Nemhaka yekuti kutenderera kwepamusoro-soro kwe centrifuge yakakurawo, midziyo ine ruzha, yakashata yekushanda nharaunda, vhoriyamu uye inorema.

1.3 Electrostatic oiri yekuchenesa

Electrostatic oil purifier inonyanya kushandisa yakakwira voltage electrostatic munda inogadzirwa neelectrostatic jenareta kugadzira zvidimbu zvinosvibisa mumafuta zvakatakurwa nemaion emagetsi uye zvakanamirwa kune fiber pasi pekuita kwemunda wemagetsi.Nheyo yacho inoratidzwa muMufananidzo 1. Nekuda kweiyo adsorption musimboti kwete kuburikidza nekusefa, electrostatic mafuta purifier inogona kutora marudzi ese ehutsvina hwe0. 02 μ m, kusanganisira yakaoma simbi zvinhu, zvinyoro zvinyoro zvinogona kubviswa.

Zvimiro zve electrostatic oiri purifier:

(1)Kucheneswa kwepamusoro, kunyatsoita sefa kunosvika 0. 1 μ m, Inogona kubvisa sub-micron zvinosvibisa;
(2) inogona kunyatso kusanganisa iyo vacuum system uye iyo coalescent system, Inogona kukurumidza kubvisa mvura negesi;
(3) kukurumidza kucheneswa kumhanya, Inogona kukurumidza kugadzirisa zvimedu, nekukurumidza kuchena;Huru yekuyerera mwero, Inogona kusangana nezvinodiwa zvekugeza nekuchenesa;
(4) yekuchenesa sisitimu, kuburikidza ne electrostatic polymerization yekuchenesa tekinoroji haingobvisi tsvina uye zvimedu mumafuta, asi zvakare inogona kubvisa zvigadzirwa zveasidhi, mhenyu colloid, dhaka remafuta, varnish uye zvimwe zvinokuvadza zvakachena, kudzivirira kuberekwa patsva, kuvandudza mafuta. product index;
(5) kuwanda kwekushandisa, kunyangwe hunyoro mumafuta hunopfuura mwero, asi zvakare hunogona kushanda zvakajairika.

2 Varnish
2.1 Njodzi yevarnish
"varnish" inozivikanwawo sekuti carbon accumulation, glue, lacquer material, elastic oxygen Chemical, patent leather, etc., inogoneka orenji, shava kana dema isina kunyungudika Solution ye membrane sediment, ndicho chigadzirwa chekuora kwemafuta.Mushure mokunge varnish ichioneka mumhepo inopisa mafuta ekuzora mafuta, slide mukati mekutakura Varnish yakaumbwa inosungirirwa nyore nyore kune simbi yepamusoro, kunyanya mumabheji akawanda Mugero muduku unoguma muhuwandu hwemafuta efirimu uye huwandu hwemafuta efirimu kumanikidza Huru, kutakura simba kunoderera, kupisa kwemafuta ekuzora kunowedzera, kuchengetedzeka kwekubereka gwenzi kuchakanganisa [4,10-11].
chiitiko chevarnish nekukuvadza kwayo muEurope neAmerica, Japan yakakosheswa, United States Nyika yakagadzira chiyero chekuona varnish (ASTM D7843-18), uye The varnish tendency index inosanganisirwa muyero yekuongorora yekuchinja kwemafuta.Nyika yedu yakanyorawo varnish sechinhu chekuyedza muGB / T 34580-2017.

Njodzi dzevarnish ndedzinotevera

(1) nekuda kwekushisa kwekushanda kwepamusoro kwechigadziro chekutakura, varnish iri nyore kusungira kune imwe nzvimbo yekushanda yevhavha, nekufamba kwenguva, nzvimbo yacho inenge yakanyungudutswa (ona mufananidzo 2);

:(2) block clearance uye kuwedzera kupokana;
(3) block purifier uye kukonzera kukuvara kwemidziyo;
(4) varnish yakaiswa pane inotonhorera inotungamira mukupisa kwakashata, kupisa kwemafuta kukwira uye oxidation yemafuta;
(5) varnish is polar, iri nyore kubatika kune simbi kana yakasimba zvimedu, zvichikonzera kupfeka kwemidziyo.

2.2 varnish kubvisa

Mafuta ekuzora "zvinyoro zvinyoro" zvevarnish uye sludge zvakaverengera kupfuura 80% yezvese zvinosvibisa [12-13], nekuda kwe "soft particles" saizi idiki, kana kushandiswa kweiyo micro mechanical filtration nzira iri nyore kukonzera purifier. , core purifier blockage uye filtration effect haina kunaka, uye electrostatic purifier particles field adsorption pane muunganidzi, saka, inogona kunyatsobvisa zvidimbu zvidiki mumafuta anosvibisa, uye chiyero chechiyero chakakura, saka chinoshandiswa zvakanyanya kunze kwenyika kubvisa varnish uye sludge. mumafuta.Iyo electrostatic mafuta yekuchenesa haingogone kubvisa varnish mumafuta ekuzora, asi zvakare geza varnish iyo yakaiswa pamusoro pesimbi kuti ive nechokwadi chekushanda kwakachengeteka kwemidziyo uye kurebesa hupenyu hwebasa remafuta.

1.Kushandiswa kweelectrostatic oil purifier mukuzora mafuta system

Kana chirimwa chemagetsi muFangchenggang chakagadziridza iyo 3 # muchina muna Chikumi 2019, Zvakanyanya pachena varnish chiitiko chakawanikwa pane axial tile (sezvinoratidzwa muMufananidzo 3), uye mavanga ari pachena.Varnish inowanikwa mushure mekuyedza sampling yemafuta Iyo membrane propensity index yakapfuura mwero, inosvika 18.2.Lube-oiri sisitimu yeyuniti Yakashongedzerwa nekaviri mafuta anonatsa, kudzorera mafuta anonatsa, online purifier, asi ese ndeeMune mechanical purifiers, zvakaoma kubvisa varnish.Pamusoro pezvo, iyo simiti yemagetsi yakatengwa Iyo inotengeswa kunze kwenyika centrifugal oiri purifier purifier, zvakare haigone kudzinga varnish.
Tangi yemafuta ekuzora yeiyi 3 # muchina ndeye 43 m³, uchishandisa iyo Great Wall TSA 46 Steam turbine mafuta (Kirasi A).Kuti usimbise mafuta aya ekuzora Muvarnish yakabviswa zvachose, uye kudzivirira varnish zvakare, gadzira VOC-E-5000 ine kuyerera kwe 3000 L / h, mhando ye electrostatic purifier yakagadzirwa Oil machine (sezvinoratidzwa mumufananidzo 4), uye inoshandiswa kumafuta ekuzora eFangchenggang simba rekudyara Kucheneswa kutsva.Mafuta akacheneswa anotorwa pa1000 mL nguva dzose, zvichiteerana Munzvimbo dzechitatu dzekuyedza Shanghai Runkai uye Guangzhou Research Institute laboratory analyse.