1 Incamake
Gucomeka gazi yamenetse hamwe no gutwara turbine ya 100Kt / ishami rishinzwe umusaruro wa Ethylene wa Bora LyondellBasell Petrochemical Co., Ltd. byose bifite ibikoresho biva mu Buyapani Mitsubishi Heavy Industries.
Gucomeka gazi ya pyrolysis ni silindari eshatu ibyiciro bitanu ibyiciro 16 byicyuma cya centrifugal compressor ifite ibyambu 6 byokunywa hamwe nicyambu 5 gisohora.Ibikorwa nyamukuru byingenzi ni ibi bikurikira;umuvuduko wapimwe ni 4056r / min, ingufu zapimwe ni 53567KW, umuvuduko wo gusohora compressor ni 3.908Mpa, ubushyuhe bwo gusohora ni 77.5 ° C, naho umuvuduko ni 474521kg / h.Gutwara ibyuka bya turbine itwara ibice ni ubwoko bwa Kingsbury bwikaraga hamwe na padi 6.Ibi bikoresho bifite amatsinda 6 yamavuta yo gusiga amavuta, kandi buri tsinda ryamavuta rifite 4 3.0mm na 5 A 1.5mm yamavuta yinjizwamo, icyerekezo cya axial hagati yicyuma na plaque ni 0.46-0.56mm.Emera uburyo bwo gusiga ku gahato uburyo bwo gutanga amavuta hagati ya sitasiyo ya peteroli.
Igishushanyo cyacyo ni ibi bikurikira:
2, Ikibazo
Kuva uruganda rukora compressor rwatangira ku ya 5 Kanama 2020, ubushyuhe bwikinyabiziga gifite TI31061B ya turbine ya parike bwahindutse kenshi, kandi bwiyongera buhoro buhoro.Kuva 16:43 ku ya 14 Ukuboza 2020, ubushyuhe bwa TI31061B bwageze kuri 118 ° C, buri hagati yiminota 2 gusa n’agaciro ko gutabaza.℃.
Igishushanyo 1: Inzira ya parike ya turbine itera ubushyuhe TI31061B
3. Tera ingamba zo gusesengura no kuvura
3.1 Impamvu ziterwa nubushyuhe bwubushyuhe bwa turbine itwara TI31061B
Nyuma yo kugenzura no gusesengura uburyo ihindagurika ryubushyuhe bwikwirakwizwa ryikaraga rya turbine ya TI31061B, kandi ukuyemo ibibazo byerekana ibikoresho byerekanwe kumurongo, ihindagurika ryibikorwa, kwambara amashanyarazi ya turbine, ihindagurika ryibikoresho, hamwe nubwiza bwibice, impamvu nyamukuru zitera uruziga ihindagurika ry'ubushyuhe ni:
3.1.1 Amavuta yo gusiga akoreshwa muri compressor ni SHELL TURBO T32, ni amavuta yubutare.Iyo ubushyuhe buri hejuru, amavuta yo kwisiga akoreshwa aba oxyde, kandi ibicuruzwa bya okiside byegeranya hejuru yigihuru cyera kugirango bibe langi.Amavuta yo gusiga amabuye y'agaciro agizwe ahanini na hydrocarbone, ihagaze neza mubushyuhe bwicyumba nubushyuhe buke.Ariko, niba bimwe (ndetse numubare muto cyane) wa molekile ya hydrocarubone ihura na okiside yubushyuhe bwinshi, izindi molekile ya hydrocarubone nayo izagira urunigi, ibyo bikaba biranga urunigi rwa hydrocarubone.
3.1.2 Iyo amavuta yo kwisiga yongewe mubikoresho, imiterere yakazi iba imiterere yubushyuhe bwinshi numuvuduko mwinshi, ubwo buryo rero buherekezwa no kwihuta kwa reaction ya okiside.Mugihe cyo gukora ibikoresho, kubera ko imiyoboro ya turbine yegeranye na parike yumuvuduko ukabije, ubushyuhe buterwa no gutwara ubushyuhe ni bunini.Muri icyo gihe, kwimura axial ya compressor yabaye nini cyane kuva yatangira, igera kuri 0.49mm icyarimwe, mugihe agaciro ko gutabaza kari ± 0.5mm.Umuyoboro wa axial ya rot turbine rotor nini cyane, kuburyo igipimo cya okiside yiki gice cyikuramo gishobora kuba cyikubye kabiri igipimo cya okiside yibindi bice.Muri ubu buryo, ibicuruzwa bya okiside bizabaho muburyo bworoshye, kandi ibicuruzwa bya okiside bizagwa mugihe leta yuzuye igeze.
3.1.3.Amavuta yo gusiga akora langi ishonga mubushuhe bwo hejuru hamwe n'umuvuduko mwinshi.Iyo amavuta atemba avuye ahantu h'ubushyuhe bwo hejuru akajya ahantu hafite ubushyuhe buke, ubushyuhe buragabanuka no gukomera kugabanuka, kandi uduce duto twa varish twatandukanijwe namavuta yo kwisiga tugatangira kubitsa.
3.1.4 Kwishira kwa varish bibaho.Ibice bya varish bimaze gushingwa, bitangira guhuriza hamwe no kubitsa cyane cyane kubitsa hejuru yicyuma gishyushye.Muri icyo gihe, kuva ubushyuhe bwo gutwara ibintu bwabaye hejuru kuva yatangira gukora, ubushyuhe bwikariso hano bwazamutse vuba mugihe ubushyuhe bwibindi bikoresho byahindutse buhoro.
3.2 Gukemura ikibazo cyo kuzamuka kwubushyuhe bwa parike ya turbine itwara TI31061B
3.2 kuzamuka gahoro k'ubushyuhe bwo mu gihuru.
3.2.2.Impera ya axial marge yateguwe na Mitsubishi ni nto cyane, bityo rero uhindure ibyuka bya turbine kugirango uhindure imitsi.Nkuko bigaragara ku gishushanyo cya 2 1279ZI31001C, kwimura shaft ya turbine ya parike ni 0.44mm.Nyuma yo kugisha inama uruganda rukora compressor, kwimura shaft nibyiza, bivuze ko rotor ihindukira kuruhande rwa compressor ugereranije na rotor yumwimerere, bityo hafatwa icyemezo cyo kugabanya gukuramo ikirere hagati kuva 300T / h Kugabanuka kugera kuri 210T / h, ongera umutwaro kuruhande rwumuvuduko muke wa turbine, wongere imbaraga kuruhande rwumuvuduko mwinshi, kandi ugabanye umuvuduko wa axial kumutwe, bityo bidindiza kuzamuka kwizamuka ryubushyuhe.
Igishushanyo 2 Isano iri hagati yo kwimura shaft ya turbine hamwe no gutwara ibintu
3.2.3 Ku ya 23 Ugushyingo 2020, amavuta yo gusiga amavuta yoherejwe mu kigo cy’ibizamini cya Guangzhou Institute of Mechanical Science Co., Ltd. kugira ngo asuzume kandi abisesengure.Ibisubizo byerekanwe ku gishushanyo cya 3. Ibisubizo by'isesengura byagaragaye ko agaciro ka MPC kari hejuru, gashobora kumenya ko habaho okiside ya peteroli.Varnish nimwe mumpamvu zubushyuhe bwo hejuru bwikaraga rya turbine itwara TI31061B.Iyo hari larnish muri sisitemu yo gusiga amavuta, gusesa no kugwa kwingirangingo za varike mumavuta ni sisitemu yo kuringaniza imbaraga bitewe nubushobozi buke bwamavuta yo gusiga kugirango ashongeshe ibice bya varish.Iyo igeze kuri leta yuzuye, langi izimanika ku cyuma cyangwa icyuma, bigatuma ubushyuhe bwa padiri buhindagurika.Nibyago bikomeye byihishe kubikorwa byumutekano.
Binyuze mu bushakashatsi, twahisemo Kunshan Winsonda, ifite akamaro gakomeye no kumenyekana ku isoko, kugirango tubyare WVD electrostatic adsorption + resin adsorption, ikaba ari ibikoresho byo kuvanaho amarangi kugirango bikureho langi.
varnish nigicuruzwa cyatewe no kwangirika kwamavuta, aboneka mumavuta muburyo bwashonze cyangwa bwahagaritswe mubihe bimwe na bimwe bya chimique nubushyuhe.Iyo isuka irenze ubushobozi bwamavuta yo gusiga, isuka izagwa hanyuma ikore langi hejuru yikintu.
WVD-II yamavuta yoza amavuta ahuza neza tekinoroji yo gutunganya amashanyarazi ya electrostatike na tekinoroji yo guhanahana ion, bishobora gukuraho neza no gukumira ibishishwa bitangirika kandi bitangirika biva mugihe gisanzwe gikora cya turbine, kugirango lanike idashobora kubyara.
Intego ya WVD-II ikurikirana amavuta yo gutunganya ni ugukuraho igitera kwibara.Iri koranabuhanga rirashobora kugabanya ibikubiye muri silige mugihe gito, kandi bigasubizaho sisitemu yambere yo gusiga amavuta hamwe na lisansi nini cyane kugirango ikore neza mugihe cyiminsi mike, bityo bikemure burundu ikibazo cyubwiyongere bwubushyuhe bwihuse bwikibazo. imiyoboro iterwa na varish.
Igicapo 3 Ikizamini nisesengura ibisubizo mbere yo gushiraho igice cyo gukuraho varish
Amavuta asukuye inshuro imwe: adsorption ya electrostatike kugirango ikureho ibishishwa bidashonga / varish Ihame: tekinoroji ya electrostatike ya adsorption ikuraho umwanda, amavuta ari mubikorwa byumuzenguruko w’umuriro mwinshi wa electrostatike, kuburyo ibice byanduye byerekana amafaranga meza kandi mabi. , kandi munsi yumurimo wumuriro wumuriro wa trapezoidal Shyira ibice byiza kandi bibi byashizwemo kugirango woga werekeza kuri electrode mbi kandi nziza, hanyuma ibice bitagira aho bibogamiye biranyeganyezwa kandi bigenda byimuka bitembera, hanyuma amaherezo ibice byose birashirwa kuri umuterankunga kugirango akureho burundu umwanda.
Amavuta ya kabiri asukuye: Ion ihinduranya resin adsorption kugirango ikureho colloide yashonze Ihame: Ikoreshwa rya tekinoroji ya adsorption yonyine ntishobora gukemura irangi ryashonze, mugihe ion resin irimo amamiliyaridi yimbuga za polar, zishobora gukurura lanike zishonga hamwe na langi zishobora kuboneka, kugirango ibicuruzwa byangirika bikore ntukusanyirize mu mavuta yo gusiga, kandi arashobora kunoza ubushobozi bwamavuta yo gusiga, kuburyo sisitemu iba imeze neza.
Igicapo 5. Igishushanyo mbonera cyamavuta meza
3.3 Ingaruka zo gukuraho langi
Igice cya varish cyashyizweho kandi gikoreshwa ku ya 14 Ukuboza 2020, kandi ubushyuhe bw’umuvuduko w’amazi ya TI31061B bwamanutse bugera kuri 92 ° C ku ya 19 Ukuboza 2020 (nkuko bigaragara ku gishushanyo cya 6).
Igishushanyo.6 Ubushyuhe bwubushyuhe bwo gutwara TI31061B ya turbine
Nyuma yukwezi kurenga kumikorere yo gukuramo amarangi, ubwiza bwamavuta yo gusiga igice bwateye imbere kuburyo bugaragara.Binyuze mu gutahura no gusesengura Ikigo cy’ubushakashatsi cya Guangyan, igipimo cy’imyororokere y’ibicuruzwa bya peteroli cyaragabanutse kiva kuri 10.2 kigera kuri 6.2, naho urwego rw’umwanda rwaragabanutse kuva ku cyiciro cya 12 kugeza ku cya 7, nta gihombo cy’inyongera mu gusiga amavuta. amavuta (reba Ishusho ya 7 yo kumenya no gusesengura ibisubizo nyuma yo gukuramo langi).
FIG.7 Ikizamini nisesengura nyuma yikintu kimaze gushyirwaho
4 Inyungu zubukungu zitangwa
Binyuze mugushiraho no gukora murwego rwo kuvanaho varish, ikibazo cyizamuka ryubushyuhe bwikigereranyo cyumuvuduko ufite TI31061B ya turbine ya parike yatewe na varish irakemuka rwose, kandi igihombo kinini cyatewe no guhagarika ishami rya compressor ya pyrolysis ni birinze (byibuze iminsi 3, igihombo ni byibuze miliyoni 4 z'amafaranga y'u Rwanda; gusimbuza umutwaro wa turbine ya parike bifata umunsi 1, igihombo ni miliyoni 1), no gutakaza ibice byabigenewe kubice bizunguruka no gufunga nyuma ubushyuhe bwo guterana bwiyongera buhoro (igihombo kiri hagati ya 500.000 na miliyoni 8 hagati).
Uru ruganda rwuzuyemo barrile 160 y’ibicuruzwa bikomoka kuri peteroli, kandi ibikomoka kuri peteroli byageze ku gipimo cyujuje ibyangombwa nyuma yo kuyungurura mu buryo bwuzuye neza ishami rikuraho amarangi, bizigama amafaranga 500.000 y’amafaranga yo gusimbuza ibicuruzwa.
5 Umwanzuro
Bitewe n'ubushyuhe burebure bwigihe kirekire, umuvuduko mwinshi, hamwe nuburyo bwihuse bwo gukora muri sisitemu yo gusiga ibice binini, umuvuduko wa okiside wamavuta wihuta kandi indangagaciro ya varish iriyongera.Akaga kihishe ko gutwika ibihuru mugusunika bituma imikorere yigihe kirekire ihamye yikigo, ibyo bikaba byerekana ko ingamba zavuzwe haruguru zifite akamaro.
Igihe cyo kohereza: Ukuboza-28-2022