Ngenkqubela phambili eqhubekayo yobugcisa bemizi-mveliso yelizwe lam, umgangatho wamaziko emveliso yelizwe lam uphuculwe kakhulu, kwaye imveliso yemizi-mveliso iye yaphuculwa ngokubanzi.Njengesixhobo esibalulekileyo esisisiseko kwimveliso yeshishini, i-compressor ye-centrifugal iya kuba neempazamo ezithile ngexesha lokusebenza kwazo.Phakathi kwabo, ukunyuka kwamaqondo okushisa okuthwala izihlahla kuxhaphake kakhulu, okuya kuchaphazela ukusebenza ngokubanzi kwee-compressor ze-centrifugal, kwaye kwiimeko ezinzima kuya kubangela iingxaki ezinkulu.ukungaphumeleli, okukhokelela ekunciphiseni ukusebenza kakuhle kwemveliso.Ngenxa yesi sizathu, eli phepha liqhuba uphando olunzulu kunye nohlalutyo lwezizathu zokunyuka kobushushu be-centrifugal compressor bush ethwele, kwaye ibeka phambili iintlobo ngeentlobo zeembono ezifanelekileyo kunye neendlela zokuchasana, ezijolise ekukhuthazeni ngakumbi ukuphuculwa komsebenzi we-compressor ye-centrifugal kunye ne-compressor ye-centrifugal. ukusombulula ingxaki yangoku yokuthwala ukunyuka kobushushu behlathi.Umngcipheko wokhuseleko ophezulu.
Amagama angundoqo: i-compressor ye-centrifugal;Ukuzala ityholo;ukunyuka kobushushu;esona sizathu;amanyathelo asebenzayo
Ukuze uhlolisise izizathu ezithile zokunyuka kobushushu be-centrifugal compressor bush bearing, eli phepha likhetha i-compressor ye-centrifugal ye-L ishishini njengento yophando.I-centrifugal compressor yi-100,000 m³/h yeyunithi yokwahlula komoya iyunithi yomoya we-centrifugal compressor, ngakumbi Umoya ucinezelekile, kwaye umoya ongeniswe ngaphandle we-0.5MPa unokucinezeleka ukuya ku-5.02MPa, wohlulwe kwaye emva koko uthuthelwe kwezinye iinkqubo ukuze zisetyenziswe.Ngethuba lenkqubo yemveliso ye-L ishishini, i-compressor ye-centrifugal yafumana amaxesha amaninzi okunyuka kweqondo lokushisa kwi-bearing bush, kwaye ixesha ngalinye ukunyuka kwamaqondo okushisa kwakuhluke, okuchaphazela ukusebenza okuqhelekileyo kunye nokukhuselekileyo kwe-compressor ye-centrifugal.Ukuze ucombulule le ngxaki, kuyimfuneko ukufumanisa i-compressor ye-centrifugal, ukuze unqume isizathu kunye nokuqulunqa i-countermeasure yesayensi.
Isixhobo sokucinezela i-centrifugal esingathanga ngqo
Inkampani ye-L ye-100,000 m³/h yeyunithi yokwahlula umoya iyunithi yomoya we-centrifugal compressor luhlobo oluqhelekileyo lwecompressor kwimarike yangoku, imodeli yi-EBZ45-2+2+2, kunye nedayamitha ye-shaft yi-120mm.Icompressor ye-centrifugal yenziwe nge-injini ye-steam, ibhokisi ye-speed-up kunye ne-compressor.Uxhulumaniso lwe-shaft phakathi kwe-compressor, ibhokisi ye-speed-up kunye ne-steam turbine yi-diaphragm uxhumano, kwaye ukuthwala i-air centrifugal compressor yi-sliding bear, kwaye kukho i-5 ethwele izihlahla zizonke..
Icompressor ye-centrifugal isebenzisa inkqubo yokubonelela ngeoyile ezimeleyo.Uhlobo lweoli yokuthambisa icompressor yiN46 yeoli yokuthambisa.Ioyile yokuthambisa inokungena phakathi kwedayamitha ye-shaft kunye nokuthwala ngamandla ajikelezayo edayamitha ye-shaft ngokwayo.
2 Iingxaki ekusebenzeni kwee-compressor ze-centrifugal
2.1 Kukho iingxaki ezinkulu
Emva kohlengahlengiso olubanzi ngo-2019, icompressor yomoya ye-centrifugal yeyunithi yolwahlulo lomoya isebenze ngokutyibilikayo kwisithuba sonyaka omnye, kungekho kusilela kukhulu kunye nokusilela okuncinci.Nangona kunjalo, ngo-Okthobha wama-2020, iqondo lobushushu lelona tyholo lixhasayo le-centrifugal compressor liye lenyuka ngokungaqhelekanga.Amaqondo obushushu afikelela kuma-82.1 ngokukaCelsius, emva koko abuya kancinci emva kokunyuka, kwaye azinza malunga nama-75 degrees Celsius.Icompressor ye-centrifugal ifumene ubushushu obungaqhelekanga bunyuka amaxesha amaninzi, kwaye ubushushu bunyuka buyahluka ixesha ngalinye, ngokusisiseko malunga nama-80 degrees Celsius.
2.2 Ukuhlolwa komzimba
Ukuphendula ingxaki yokunyuka kobushushu obungaqhelekanga becompressor ye-centrifugal, ukuze kuqinisekiswe ukusebenza ngokukhuselekileyo kwecompressor ye-centrifugal, inkampani ye-L yaqhaqha kwaye yahlola umzimba we-centrifugal compressor ngoDisemba, kwaye kunokubonwa ngokucacileyo ukuba kukho ukuthambisa indawo ephambili yethayile exhasa I-oyile yobushushu obuphezulu be-sintering ye-carbon deposition phenomenon.Ngethuba lokuhlolwa kwangaphandle kwe-compressor ye-centrifugal, i-pads ezimbini zokuthwala zifunyenwe zineediphozithi zekhabhoni, kwaye enye yeepadi zokuthwala yayinomgodi oshonile malunga ne-10mmX15mm, kwaye umgodi onzulu wawumalunga ne-0.4mm.
3. Uhlalutyo lwezizathu zokunyuka okungaqhelekanga kobushushu be-centrifugal compressor bearing bush
Ngokutsho kohlalutyo lweengcali, izizathu eziphambili zokunyuka okungaqhelekanga kobushushu be-centrifugal compressor bear bush zilandelayo: (1) Umgangatho weoli.Xa i-compressor ye-centrifugal isebenza ngesantya esiphezulu, ubushushu obuphezulu kunye neemeko zoxinzelelo oluphezulu ziya kubangela ukuguga kweoli yokuthambisa, eya kuba nefuthe elibi kwimpembelelo ye-lubrication ye-compressor ye-centrifugal.Ngokwezibalo zeechwephesha, ngalo lonke ixesha iqondo lobushushu linyuka nge-10 degrees Celsius, isantya sokuguga seoyile yokuthambisa siya kuphinda kabini, ke ukuba ukusebenza kweoyile yokuthambisa kubi, isantya sokuguga siya kukhawuleziswa kakhulu phantsi kweemeko eziphezulu zobushushu. .Ukuhlolwa kokusebenza kweoyile yokuthambisa kufumanise ukuba uninzi lwezalathisi azizange zihlangabezane neemfuno ezisemgangathweni [1] (2) Isixa seoli esisetyenzisiweyo.Ukuba ioyile yokuthambisa eninzi yongezwa, oko kuya kubangela ukubekwa kwekhabhoni kwioyile yokuthambisa egqithileyo phantsi kweemeko zobushushu obuphezulu, kuba ioyile yokuthambisa kakhulu iya kukhokelela ekubuyeni kweoyile engonelanga, kunye nomxube weoyile ekunzima ukuwuguqula kwaye ube ne-viscosity ephezulu. hlala kufuphi nesihlahla sokuthwala , okubangelwa ukunciphisa ukunyanzeliswa kwesigxina, ukwandisa ukugqoka kunye nomthwalo wesigxina, okuya kukhokelela ekunyuseni okungaqhelekanga kwiqondo lokushisa lobushushu obuphezulu ngenxa yokubambisana okukhulu.(3) Ukuvalwa okungaqhelekanga.Ngokophando lwabachwephesha, kwiveki ngaphambi kokunyuka kobushushu obungaqhelekanga kwi-bush ethwele i-compressor ye-centrifugal, kwakukho ingxaki enkulu yokuvalwa komphunga kwisityalo, ekhokelele ekuvalweni okungaqhelekanga kwe-compressor ye-centrifugal.Ukuvalwa okungaqhelekanga kuya kubangela ukuba i-axial Force kunye ne-centrifugal force engalinganiyo inyuke ngokukhawuleza, ngaloo ndlela ikhulise umthwalo osebenzayo we-bearing bush, okukhokelela ekunyukeni kobushushu be-oyile yokuthambisa.
4 Imilinganiselo esebenzayo yokunyuka kobushushu be-centrifugal compressor bush
Okokuqala, kuyimfuneko ukuphucula umgangatho weoli yokuthambisa ukuze kuqinisekiswe ukuba iiparitha zeoyile yokuthambisa zinokuhlangabezana neemeko ezisisiseko zokusebenza kwecompressor ye-centrifugal.Ioyile yokuthambisa ingaphuculwa ngokongeza i-antioxidants, i-anti-friction agents kunye ne-anti-foaming agents kwi-oyile yokuthambisa.Ukusebenza, kunokufikelela kwiziphumo ezilungileyo, ukunciphisa isantya sokuguga seoyile yokuthambisa, ukuze kuthintelwe ifuthe lokuthambisa le-centrifugal compressor ethwele iipads ekunciphiseni ngenxa yokuguga ngokukhawuleza kweoyile yokuthambisa, kwaye inokusombulula kakuhle ingxaki yokunyuka kobushushu obungaqhelekanga. iipads ezithwele [2].
Okwesibini, ubungakanani beoyile yokuthambisa esetyenzisiweyo kufuneka ilawulwe ngokungqongqo.Ngokweemeko ezithile zokusebenza ze-compressor ye-centrifugal, inani leoli yokuthambisa eyongeziweyo kufuneka ilawulwe ngaphakathi koluhlu olufanelekileyo.I-oyile yokuthambisa eninzi kakhulu okanye encinci kakhulu iya kubangela ukuba icompressor ye-centrifugal ingasebenzi kakuhle.Ngoko ke, kuyimfuneko ukubala ngokuchanekileyo izinga lokusetyenziswa kweoli ye-lubricating ye-compressor ye-centrifugal kwaye uzalise ioli eyaneleyo yokuthambisa ngexesha.
Ngapha koko, ngenxa yokuba indawo yenkxaso yenkxaso ye-compressor ye-centrifugal yenziwe nge-alloy material eqinile, isantya sokunxiba sihamba kancinci, ngoko ke idiphozithi yekhabhoni kwi-thrust pad inokucocwa ngeparafini ukujongana nengxaki yediphozithi yekhabhoni, ngaloo ndlela. ukuchacha Ukugqiba komphezulu we-thrust pad kunokufikelela kwiziphumo ezilungileyo emva konyango.Ukongezelela, ngenxa yengxaki yemingxuma ye-oyile enganeleyo kwindandatho yokuthwala, umthamo wokubuyisela ioli uya kuncitshiswa, oya kuchaphazela umphumo wokubuyisela ioli.Indlela yogxininiso loxinzelelo ekuvuleni umsesane wokuthwala iyamkelwa, kwaye igcisa liphinda libala indawo yokuvula Uxinzelelo, kwaye lunxibelelane nomenzi, lwandise i-wedge, ukuze i-oyile yokuthambisa ingene ngcono kumphezulu wetyholo lokuthwala ukuya. yenza ifilimu yeoli.
Ekugqibeleni, ukuze kulungiswe le ngxaki, iipads ezimbini ezisezantsi kwi-bearing pad entsha zisetyenziselwa ukukrazula i-oyile wedge, ukwandisa ibhegi yeoli, ukwandisa ukugcinwa kweoli yokuthambisa ngexesha lokusebenza kwe-pad, kwaye wenze uqhagamshelwano phakathi kokuthwala. iphedi kunye nedayamitha ye-shaft ifana kakhulu., ukuqinisekisa ukuba indawo yoqhagamshelwano phakathi kwesihlahla esithwala kunye nobubanzi be-shaft sinokuhlangabezana neemfuno zomgangatho.Ngexesha elifanayo, indlela yokukrazula yamkelwa ukukrazula onke amabala akhoyo ukuqinisekisa ukuba umgangatho ufanelekile [3].
Emva kokuthatha amanyathelo angentla apha, ingxaki yokunyuka okungaqhelekanga kokushisa kwe-compressor ye-centrifugal iye yasonjululwa kakuhle.Emva kweveki yovavanyo kunye novavanyo, ukushisa kwehlathi elithweleyo kunokulawulwa phakathi kwe-50-60 degrees Celsius, kwaye ixabiso lokungcangcazela lingaphakathi koluhlu oluchaziweyo.Ngaphakathi, umphumo wenguqu uyabonakala.
isiphelo
Ukushwankathela, eli nqaku lihlalutya ngokubanzi izizathu zokunyuka kobushushu be-centrifugal compressor ethwele amatyholo, kwaye ibeka phambili amanyathelo asebenzayo, ngethemba lokudlala indima ethile ekubhekiseleleni nasekuncedeni imveliso yelizwe lam.