Ngokuqhubeka okuqhubekayo kobuchwepheshe besimanje bezimboni zezwe lami, izinga lezindawo zokukhiqiza ezimbonini zezwe lami liye laba ngcono kakhulu, nokukhiqizwa kwezimboni kuye kwaba ngcono kakhulu.Njengethuluzi eliyisisekelo elibalulekile ekukhiqizweni kwezimboni, ama-compressor angama-centrifugal azoba namaphutha athile ngesikhathi sokusebenza kwawo.Phakathi kwazo, ukunyuka kwezinga lokushisa kwezihlahla ezithwalayo kuvame kakhulu, okuzothinta ukusebenza okuphelele kwe-centrifugal compressors, futhi ezimweni ezinzima kuzodala izinkinga ezinkulu.ukwehluleka, okuholela ekunciphiseni ukusebenza kahle kokukhiqiza.Ngenxa yalesi sizathu, leli phepha lenza ucwaningo olujulile kanye nokuhlaziya ngezizathu zokwenyuka kwezinga lokushisa kwesihlahla esithwala i-centrifugal compressor, futhi libeka phambili imibono ehlukahlukene enengqondo kanye nezinyathelo zokuphikisa, okuhloswe ngazo ukuqhubekisela phambili ukuthuthukiswa kokusebenza kwe-compressor eyi-centrifugal kanye ne-compressor ye-centrifugal. ukuxazulula inkinga yamanje yokuthwala ukushisa kwehlathi.Ingozi ephezulu yokuphepha.
Amagama angukhiye: i-compressor ye-centrifugal;isihlahla esithwalayo;ukunyuka kwezinga lokushisa;isizathu esiyinhloko;izinyathelo eziphumelelayo zokuphikisa
Ukuze uhlole izizathu eziqondile zokukhuphuka kwezinga lokushisa kwesihlahla esine-centrifugal compressor, leli phepha likhetha i-centrifugal compressor ye-L enterprise njengento yocwaningo.I-centrifugal compressor iyi-100,000 m³/h yokuhlukanisa umoya iyunithi yomoya we-centrifugal compressor, ikakhulukazi Umoya uyacindezelwa, futhi umoya ongenisiwe ongu-0.5MPa ungacindezelwa ube ngu-5.02MPa, uhlukaniswe bese uthuthelwa kwezinye izinhlelo ukuze zisetshenziswe.Phakathi nenqubo yokukhiqiza yebhizinisi le-L, i-compressor ye-centrifugal yabhekana izikhathi eziningana zokukhuphuka kwezinga lokushisa kwesihlahla esithwalayo, futhi isikhathi ngasinye ukuphakama kwezinga lokushisa kwakuhlukile, okwakuthinta ukusebenza okujwayelekile nokuphephile kwe-compressor ye-centrifugal.Ukuze uxazulule le nkinga, kuyadingeka ukuthola i-compressor ye-centrifugal, ukuze unqume imbangela futhi wenze ukulinganisa kwesayensi.
Imishini ye-compressor eyi-centrifugal engaqondile
Iyunithi yokuhlukanisa umoya yenkampani engu-100,000 m³/h ye-air centrifugal compressor iwuhlobo olujwayelekile lwe-compressor emakethe yamanje, imodeli iyi-EBZ45-2+2+2, kanti ububanzi be-shaft ngu-120mm.I-compressor ye-centrifugal yenziwe nge-steam turbine, ibhokisi lokusheshisa kanye ne-compressor.Uxhumano lwe-shaft phakathi kwe-compressor, ibhokisi lokusheshisa kanye ne-steam turbine ukuxhumana kwe-diaphragm, futhi ukuthwala kwe-compressor ye-centrifugal yomoya kuyi-sliding bear, futhi kunezihlahla ezi-5 ezithwele sezizonke..
I-compressor ye-centrifugal isebenzisa uhlelo oluzimele lokuhlinzeka ngowoyela.Uhlobo lwamafutha okugcoba i-compressor lubricating oil i-N46.Amafutha okugcoba angangena phakathi kobubanzi be-shaft kanye ne-bearing ngokusebenzisa amandla ajikelezayo we-diameter ye-shaft ngokwayo.
2 Izinkinga ekusebenzeni kwe-centrifugal compressors
2.1 Kunezinkinga ezinkulu
Ngemuva kokulungiswa okuphelele ngo-2019, i-air centrifugal compressor yeyunithi yokuhlukanisa umoya yasebenza kahle kungakapheli unyaka owodwa, ngaphandle kokwehluleka okukhulu kanye nokwehluleka okuncane.Kodwa-ke, ngo-Okthoba 2020, izinga lokushisa lesihlahla esithwalayo esiyinhloko se-centrifugal compressor laba nokukhuphuka okungavamile.Izinga lokushisa lafinyelela ku-82.1 degrees Celsius, labe selihlehla kancane ngemuva kokukhuphuka, futhi lazinza cishe ku-75 degrees Celsius.I-compressor ye-centrifugal ihlangabezane nezinga lokushisa elingavamile likhuphuka izikhathi eziningi, futhi izinga lokushisa liyakhuphuka ngaso sonke isikhathi, ngokuyisisekelo lizungeze ama-80 degrees Celsius.
2.2 Ukuhlolwa komzimba
Ukuphendula inkinga yokukhuphuka kwezinga lokushisa okungavamile kwe-compressor ye-centrifugal, ukuze kuqinisekiswe ukusebenza okuphephile kwe-centrifugal compressor, inkampani ye-L yahlakaza futhi yahlola umzimba we-compressor we-centrifugal ngoDisemba, futhi kungabonakala ngokucacile ukuthi kukhona ukuthambisa indawo eyinhloko esekela ithayela Amafutha izinga lokushisa eliphezulu le-sintering carbon deposition phenomenon.Ngesikhathi sokuhlolwa kwangaphandle kwe-centrifugal compressor, isamba samaphedi okuthwala amabili atholwe enamadiphozithi ekhabhoni, kanti elinye lamaphedi okuthwala lalinomgodi oshonile ongaba ngu-10mmX15mm, futhi umgodi ojulile wawucishe ube ngu-0.4mm.
3. Ukuhlaziywa kwezizathu zokwenyuka kwezinga lokushisa okungavamile kwesihlahla esinesihlahla sokucindezela i-centrifugal
Ngokokuhlaziywa kochwepheshe, izizathu eziyinhloko zokwenyuka kwezinga lokushisa okungavamile kwesihlahla esithwala i-compressor centrifugal zimi kanje: (1) Ikhwalithi yamafutha.Lapho i-compressor ye-centrifugal isebenza ngesivinini esikhulu, izinga lokushisa eliphezulu kanye nezimo zokucindezela okuphezulu kuzodala ukuguga kwamafutha okugcoba, okuzoba nomthelela omubi kumphumela wokugcoba we-compressor ye-centrifugal.Ngokwezibalo zochwepheshe, njalo lapho izinga lokushisa likhuphuka ngo-10 degrees Celsius, ijubane lokuguga lamafutha okugcoba lizophindeka kabili, ngakho-ke uma ukusebenza kwamafutha okugcoba kungalungile, ijubane lokuguga lizosheshisa kakhulu ngaphansi kwezimo zokushisa eziphakeme. .Ukuhlolwa kokusebenza kwamafutha okugcoba kwathola ukuthi izinkomba eziningi azihlangabezani nezidingo ezijwayelekile [1] (2) Inani lamafutha asetshenzisiwe.Uma uwoyela wokugcoba omningi wengezwa, kuzodala ukufakwa kwekhabhoni emafutheni okugcoba ngokweqile ngaphansi kwezimo zokushisa eziphakeme, ngoba uwoyela wokugcoba kakhulu uzoholela ekubuyeni okunganele kwamafutha, kanye nengxube kawoyela okunzima ukuyishintsha futhi ine-viscosity ephezulu hlala eduze nesihlahla esithwalayo , okuholela ekunciphiseni imvume yokuthwala, okwandisa ukugqoka nomthwalo we-bearing pad, okuzoholela ekukhuphukeni okungavamile ekushiseni kwe-bearing pad ngenxa yokungqubuzana okukhulu.(3) Ukuvala shaqa okungavamile.Ngokophenyo lochwepheshe, isonto ngaphambi kokwenyuka kwezinga lokushisa okungavamile kwesihlahla esithwalayo se-centrifugal compressor, kwaba nenkinga enkulu yokuvala umusi esitshalweni, okuholele ekuvaleni okungavamile kwe-centrifugal compressor.Ukuvala shaqa okungavamile kungabangela ukuthi i-axial Force namandla amaphakathi e-centrifugal akhuphuke ngokushesha, ngaleyo ndlela kukhuphule umthwalo wokusebenza wesihlahla esithwalayo, okuholela ekwenyukeni kwezinga lokushisa likawoyela wokugcoba.
Izinyathelo ezi-4 ezisebenzayo zokukhuphuka kwezinga lokushisa kwe-centrifugal compressor bear bush
Okokuqala, kuyadingeka ukuthuthukisa ikhwalithi yamafutha okugcoba ukuze kuqinisekiswe ukuthi imingcele yamafutha okugcoba ingahlangabezana nezimo eziyisisekelo zokusebenza ze-compressor ye-centrifugal.Amafutha okugcoba angathuthukiswa ngokungeza ama-antioxidants, ama-anti-friction agents kanye nama-anti-foaming kuwoyela wokugcoba.Ukusebenza, kungafinyelela imiphumela emihle, kunciphise ijubane lokuguga lamafutha okugcoba, ukuze kuvinjwe umphumela wokugcoba we-centrifugal compressor bearing pads kusukela ekuncipheni ngenxa yesivinini sokuguga esisheshayo samafutha okugcoba, futhi ingaxazulula kahle inkinga yokukhuphuka kwezinga lokushisa okungavamile amaphedi okuthwala [2].
Okwesibili, inani lamafutha okugcoba asetshenzisiwe lidinga ukulawulwa ngokuqinile.Ngokwezimo ezithile zokusebenza ze-centrifugal compressor, inani lamafutha okugcoba elengeziwe kufanele lilawulwe ngaphakathi kwebanga elifanele.Uwoyela wokugcoba omningi noma omncane kakhulu uzodala ukuthi i-compressor ye-centrifugal ingasebenzi kahle.Ngakho-ke, kuyadingeka ukubala ngokunembile izinga lokusetshenziswa kwamafutha okugcoba we-compressor ye-centrifugal futhi ugcwalise amafutha okugcoba okwanele ngesikhathi.
Ngaphezu kwalokho, ngenxa yokuthi indawo yokusekela ye-compressor ye-centrifugal yenziwe nge-hard alloy material, isivinini sokugqoka sihamba kancane, ngakho-ke idiphozi ye-carbon ku-thrust pad ingahlanzwa ngophalafini ukubhekana nenkinga yediphozi ye-carbon, ngaleyo ndlela. ukululama Indawo engaphezulu ye-thrust pad ingafinyelela imiphumela emihle ngemuva kokwelashwa.Ngaphezu kwalokho, ngenxa yenkinga yezimbobo zokukhipha amafutha anganele endandatho yokuthwala, umthamo wokubuyisela amafutha uzoncishiswa, okuzothinta umphumela wokubuyisela amafutha.Indlela yokugxila ekucindezelweni ekuvuleni kwendandatho yokuthwala iyamukelwa, futhi uchwepheshe ubala kabusha indawo yokuvula Ukucindezela, futhi kuxhunywe nomkhiqizi, kwandise i-wedge, ukuze amafutha okugcoba angene kangcono ebusweni besihlahla esithwalayo yakha ifilimu yamafutha.
Okokugcina, ukuze kuxazululwe le nkinga, amaphedi amabili aphansi kuphedi entsha yokuthwala asetshenziselwa ukuklebhula i-oyela wedge, ukwandisa isikhwama samafutha, ukwandisa ukugcinwa kwamafutha okugcoba ngesikhathi sokusebenza kwephedi, nokwenza ukuxhumana phakathi kwe-bearing. iphedi kanye nobubanzi be-shaft umfaniswano owengeziwe., ukuqinisekisa ukuthi indawo yokuxhumana phakathi kwesihlahla esithwalayo kanye nobubanzi be-shaft ingahlangabezana nezidingo zekhwalithi.Ngesikhathi esifanayo, indlela yokuklwebula iyamukelwa ukuze kukhunjwe wonke amabala akhona ukuqinisekisa ukuthi ikhwalithi ifanelekile [3].
Ngemva kokuthatha lezi zinyathelo zokuphikisa ezingenhla, inkinga yokukhuphuka kwezinga lokushisa okungavamile kwe-compressor ye-centrifugal ixazululwe kahle.Ngemuva kwesonto lokuhlolwa nokuhlolwa, izinga lokushisa lesihlahla esithwalayo lingalawulwa phakathi kuka-50-60 degrees Celsius, futhi inani lokudlidliza lingaphakathi kwebanga elishiwo.Ngaphakathi, umphumela wokuguqulwa uyabonakala.
isiphetho
Ukufingqa, lesi sihloko sihlaziya kabanzi izizathu zokwenyuka kwezinga lokushisa kwezihlahla ezine-compressor ezimaphakathi, futhi sibeka phambili izinyathelo ezisebenzayo zokuphikisa, ngethemba lokudlala indima ethile ekubhekiseni nasekusizeni ukukhiqizwa kwezimboni zezwe lami.