Izindaba - Kuhle kakhulu, yonga imali engu-500,000 RMB esikhundleni sikawoyela ngemuva kokususa i-Varnish yamafutha okugcoba

Kuhle kakhulu, yonga imali engu-500,000 RMB esikhundleni sikawoyela ngemuva kokususa i-Varnish yamafutha okugcoba

Ngokwezibalo zocwaningo,

I-80% yokuhluleka kwemishini ejikelezayo kubangelwa ukungcoliswa kwezithako,

Kuleli qophelo, ukuguqulwa kukawoyela jikelele kuwukumosha okukhulu kwezinsiza,

Futhi cishe kwandisa ukukhishwa kwekhabhoni,

Ngisho noma uwoyela ushintshwa, ungase ungazixazululi izinkinga ezinjengokungcola ohlelweni lukawoyela wokugcoba.

Uma ukuthambekela kokuwohloka kwesistimu kungenakuxazululwa ngowoyela omusha,

Izingozi zokusebenza okuphephile ngenxa yokuwohloka kokusebenza kukawoyela,

Kumele axazulule inkinga kawoyela ukuwohloka!

Ukuvikelwa kwemvelo kweWinsonda kugxile kakhulu ezinsizakalweni zokulawula ukungcoliswa kukawoyela ezigcotshwa yizimboni, ezingatholwa amabhizinisi:

1) Yonga ezindlekweni zokuthenga uwoyela omusha

2）Asikho isidingo sokuyeka ukushintsha uwoyela, ukunciphisa ukulahleka kokuvala shaqa

3) Yehlisa izinga lokuhluleka kwezisetshenziswa futhi uthuthukise ukusebenza kahle kokukhiqiza

4) Yehlisa izindleko zokulahlwa kukadoti oyingozi kanye nokungcoliswa kwemvelo

Icala lakudala lika-Winsonda ekulawuleni ukungcoliswa kukawoyela wokugcoba ezimbonini

Iphrofayili yephrojekthi

Ikhasimende liyibhizinisi elihlanganyelwe elitshalwe ngokuhlanganyela izinkampani zaseChina Fortune 500 kanye nenkampani yamakhemikhali enkulu kunazo zonke emhlabeni.I-compressor yegesi eqhekekayo kanye ne-drive turbine yomnyango wokukhiqiza i-ethylene iyimpahla ye-Mitsubishi Heavy Industries Corporation yase-Japan.Kusukela kwaqala iyunithi yokucindezela ngo-Agasti 5,2020, izinga lokushisa le-steam turbine thrust eline-TI31061B liye laguquguquka njalo, futhi liya ngokuya likhula.NgoDisemba 14,2020,16:43TI31061B yafinyelela ku-118℃, kuphela 2℃ kude nevelu ye-alamu.Izinga lokushisa elithwalayo liphezulu kakhulu, elizolimaza i-bearing pasteurized alloy, okubangela ithayela elivuthayo noma ukushintshashintsha kwezinga lokushisa lesikhathi eside, ukudlidliza okuthwalayo kunodlame, kubangela ukulimala, futhi ekugcineni kulimaze iyunithi.

02 Ukuhlaziywa kwembangela kanye nezinyathelo zokwelapha

2.1 Isizathu sokuguquguquka kwezinga lokushisa kwe-steam turbine thrust ene-TI31061B

Ngemuva kophenyo nokuhlaziywa kwethrendi yokuguquguquka kwezinga lokushisa le-steam turbine thrust ene-TI31061B, ngaphandle kwezinkinga zokubonisa insimbi yasensimini, ukushintshashintsha kwenqubo, ukugqokwa kwebhulashi le-steam turbine, ukushintshashintsha kwesivinini semishini, ikhwalithi yezinsiza, njll., izizathu zokuguquguquka kwezinga lokushisa le-shaft ziyahlaziywa. kanje: ((1) Amafutha okugcoba asetshenziswa ku-compressor amafutha amaminerali.Lapho izinga lokushisa liphezulu, uwoyela wokugcoba uyakhishwa nge-oxidation, futhi imikhiqizo ye-oxidation ibuthana phezu kwezigxobo ukuze yenze ukuvanisha.(2) Lapho uwoyela wokugcoba ugcwaliswa emshinini, isimo sokusebenza siba izinga lokushisa eliphezulu nokucindezela okukhulu. , ngakho-ke inqubo ihambisana nokusheshisa kokusabela kwe-oxidation.Izinga le-oxidation kusayithi elithwala i-thrust lingase libe phezulu izikhathi ezimbalwa kunamanye amasayithi.Kule nqubo, imikhiqizo ye-oxidation izoba khona esimweni sokuncibilika futhi izokwehla uma isigcwele.(3) imvula encibilikayo yokuvanisha ukuze yenze ukuvenisha okungancibiliki.Amafutha okugcoba enza i-varnish encibilikayo endaweni yokushisa ephezulu kanye nendawo yokucindezela okukhulu.Enqubweni yokugeleza ukusuka endaweni yokushisa okuphakeme kuya endaweni yokushisa ephansi, ukwehla kwezinga lokushisa kuholela ekwehleni kokuncibilika, futhi izinhlayiya zokuvanisha zikhuphuka zisuka emafutheni okugcoba bese ziqala ukufaka.(4) Ukubekwa kwevashi kwenzeka.Izinhlayiya zokuvanisha ziqala ukujiya futhi zenze i-sediment, futhi ngokukhethayo zizofaka endaweni yensimbi eshisayo.Ngesikhathi esifanayo, ngenxa yokuthi izinga lokushisa le-thrust bear liphezulu kusukela ekuqaleni kokwakhiwa, izinga lokushisa le-bearing bush lapha likhuphuka ngokushesha futhi izinga lokushisa lamanye ama-bearings lishintsha kancane.

2.2 Xazulula inkinga ye-steam turbine thrust ene-TI31061B

(1) Ngemuva kokuthola ukuthi izinga lokushisa elithwala i-T31061B likhuphuka kancane, izinga lokushisa likawoyela wokugcoba lehliswa lisuka ku-40.5 ℃ laya ku-38℃ kanye nomfutho kawoyela wokugcoba unyusiwe usuka ku-0. 15MPa waya ku-0.176MPa ukuze kwehliswe ukuthambekela kokukhuphuka kancane izinga lokushisa le-shaft bush.

(2) Khulisa ingcindezi ephansi ohlangothini lomthwalo we-steam turbine, ukhuphule i-high pressure side thrust, wehlise i-axial thrust ye-thrust bear, ukuze wehlise ijubane ukukhuphuka kwezinga lokushisa elithwala i-thrust.(Bheka Umfanekiso 1)

Umfanekiso 1: Ngomhlaka 15,2020 Novemba, isithando somlilo esingu-2 # esiqhekekayo sanqanyulwa, kwehlisa umthwalo ngamathani angama-50 kuya kumathani angama-279, kanye nejika lokushintsha kwezinga lokushisa.

(3) NgoNovemba 23, 2020, isampula yokukhiqiza uwoyela wokugcoba weyunithi yathunyelwa kumuntu wesithathu ukuze ihlolwe futhi ihlaziywe.Imiphumela eboniswe kuMfanekiso 2 ibonisa ukuthi inani le-MPC liphezulu, elinganquma ukuthi ivanishi ekhiqizwa i-oxidation kawoyela ingesinye sezizathu zokushisa okuphezulu kwe-steam turbine thrust ene-T31061B.Uma kukhona i-varnish ohlelweni lwamafutha okugcoba, ngenxa yokuthi ikhono lokuchithwa lamafutha okugcoba ezinhlayiyeni ze-varnish lilinganiselwe, ukuchithwa kanye nemvula yezinhlayiya ze-varnish emafutheni kuyisistimu yokulinganisa eguquguqukayo.Lapho isimo sokugcwala sifinyelelwa, i-varnish izolenga ku-bearing noma ku-shafting, okubangela ukushintshashintsha kwezinga lokushisa kwe-shafting, ilethe izingozi ezinkulu ezifihliwe ekusebenzeni okuphephile. ukukhiqizwa kochungechunge lwe-WVD i-electrostatic adsorption + resin adsorption compound yokususwa kwe-varnish yokuhlanza amafutha ukuze kuqedwe ukuvanisha..

Umfanekiso wesi-2: Imiphumela yokuhlolwa nokuhlaziya ngemva kokufakwa kwesicoci samafutha esisusa ivanishi

ivanishi iwumkhiqizo wokuwohloka kwamafutha, ngaphansi kwezimo ezithile zamakhemikhali nezinga lokushisa, ukuhlakazeka noma isimo sokumiswa sikhona emafutheni.Lapho i-sludge idlula izinga lokuchithwa kwamafutha okugcoba, i-sludge izophuma phezu kwezingxenye ukwenza i-varnish.

I-WVD-II varnish yokususa uwoyela wokukhipha uwoyela ihlanganisa ngempumelelo ubuchwepheshe bokuhlanza i-electrostatic adsorption kanye nobuchwepheshe bokushintshaniswa kwe-ion, obungakwazi ukususa ngempumelelo futhi kuvimbele udaka lukawoyela oluncibilikayo nolungancibiliki olukhiqizwa inqubo evamile yokusebenza kwe-steam turbine, ukuze i-varnish ingakwazi kukhiqizwa.

Umgomo we-WVD-II ukuqeda izici zokwakheka kwe-varnish.Lobu buchwepheshe bunganciphisa okuqukethwe odakeni lwamafutha ngesikhathi esifushane, futhi kwenze uhlelo lokuthambisa luqukethe inani elikhulu lodaka / ukuvenisha kawoyela ukuze kubuyiselwe isimo sokusebenza kahle ezinsukwini ezimbalwa, ukuze kuxazululwe ngokuphelele inkinga yokukhuphuka kancane ukushisa kwe-thrust bear okubangelwa i-varnish.

Umfanekiso 3: Izithombe ze-WVD-II yokususwa kwe-varnish yokuhlanza uwoyela endaweni yekhasimende

2.3 I-WVD-IIukuvenisha isihlanzi samafutha ukuvenishaumphumela

I-WVD-II varnish yokususa uwoyela wokukhipha uwoyela yafakwa futhi yasebenza ngoDisemba 14,2020, futhi izinga lokushisa le-turbine thrust eline-TI31061B lehle laya cishe ku-95℃ ngoDisemba 19,2020 (bona Umfanekiso 4).

Umfanekiso 4: Isitayela sezinga lokushisa le-steam turbine thrust ene-TI31061B

Ngemuva kwenyanga engaphezu kweyodwa yokusebenza komshini wokuhlanza uwoyela, ikhwalithi yamafutha okugcoba eyunithi iye yaba ngcono kakhulu.Ngokutholwa kwesampula nokuhlaziya, inkomba yokuthambekela kwe-varnish yamafutha iyancishiswa isuka ku-10.2 iye ku-4.2, futhi izinga lokungcola liyancishiswa lisuka> 12 liye ezingeni 5. Akukho ukulahlekelwa kwanoma yisiphi isithako emafutheni okugcoba (bheka Umfanekiso 5)

Umfanekiso 5: Imiphumela yokutholwa nokuhlaziya ngemva kokufaka i-WVD-II

03 I-WVD-IIi-varnish yokuhlanza amafuthaukusiza amakhasimende ukuzuza izinzuzo zezomnotho

Ngemuva kokufakwa nokusebenza kwe-WVD-II varnish yokususa uwoyela wokuhlanza, inkinga yokushisa kwe-steam turbine thrust ene-TI31061B edalwe yikhasimende yaxazululwa ngokuphelele, nokulahlekelwa okukhulu okudalwe ukuvalwa kweyunithi ye-compressor yegesi eqhekekayo kwaba kugwenywe(Khipha iyunithi yokuncipha kwegesi ukuze uqale futhi ume okungenani izinsuku ezi-3, ukulahleka okungenani kwezigidi ezi-4I-RMB;buyisela i-thrust bear ye-steam turbine usuku olu-1, ukulahlekelwa kwesigidi esingu-1I-RMB), kanye nokulahlekelwa izingxenye eziyisipele okubangele ukuzungezisa nokuvala izingxenye (phakathi kwezigidi ezingu-5 ~ 8 millionI-RMB).Iyunithi yagcwala imiphongolo kawoyela eyi-160, futhi imikhiqizo kawoyela yafinyelela izinga likawoyela, konga izindleko zokushintsha uwoyela ezingama-500,000 RMB.

Ikhasimende linelisekile kakhulu ngomphumela wokukhishwa kwe-varnish kanye nokuthuthukiswa kwezinkomba zamafutha.Umshini wekhasimende we-ethylene three wonke ufakwe isihlanzi samafutha e-Winsonda varnish.

Isikhathi sokuthumela: May-23-2023