Site na ọganihu na-aga n'ihu nke nkà na ụzụ mmepụta ihe ọgbara ọhụrụ nke obodo m, ọkwa nke ụlọ ọrụ mmepụta ihe nke obodo m emeela ka ọ dịkwuo mma, na mmepụta ihe mmepụta ihe na-emewanyewanye nke ọma.Dị ka ngwaọrụ dị mkpa na mmepụta mmepụta ihe, ndị na-emepụta centrifugal ga-enwe mmejọ ụfọdụ n'oge ọrụ ha.N'ime ha, ịrị elu okpomọkụ nke bushes na-ebu ibu na-adịkarị, nke ga-emetụta ọrụ mkpokọta centrifugal compressors, na n'ọnọdụ siri ike ga-akpata nnukwu nsogbu.ọdịda, na-ebute mbelata nrụpụta nrụpụta.N'ihi nke a, akwụkwọ a na-eduzi nyocha na nyocha miri emi na ihe kpatara mmụba okpomọkụ nke centrifugal compressor bearing ohia, ma na-ewepụta echiche dị iche iche ezi uche dị na ya na ihe mgbochi, na-achọ n'ihu n'ịkwalite nkwalite arụmọrụ nke centrifugal compressor na. na-edozi nsogbu dị ugbu a nke ibu oke ohia okpomọkụ.Ihe egwu nchekwa dị elu.
Isi okwu: centrifugal compressor;na-ebu ohia;mmụba okpomọkụ;isi ihe kpatara ya;irè countermeasures
Iji chọpụta kpọmkwem ihe kpatara ịrị elu okpomọkụ nke centrifugal compressor bearing ohia, akwụkwọ a na-ahọrọ centrifugal compressor nke ụlọ ọrụ L dị ka ihe nyocha.The centrifugal compressor bụ 100,000 m³ / h ikuku nkewa unit ikuku centrifugal compressor, tumadi The ikuku na-abịakọrọ, na ibubata ikuku nke 0.5MPa nwere ike abịakọrọ na 5.02MPa, kewapụrụ wee bufee na ndị ọzọ usoro maka ojiji.N'oge usoro mmepụta nke ụlọ ọrụ L, centrifugal compressor nwetara ọtụtụ oge okpomọkụ nke oke ohia na-ebu, na oge ọ bụla ịrị elu okpomọkụ dị iche, nke na-emetụta ọrụ nkịtị na nchekwa nke centrifugal compressor.Iji dozie nsogbu a, ọ dị mkpa iji chọpụta centrifugal compressor, iji chọpụta ihe kpatara ya na ịmepụta ihe mgbochi sayensị.
1 centrifugal compressor akụrụngwa indirect
L ụlọ ọrụ 100,000 m³ / h ikuku nkewa unit ikuku centrifugal compressor bụ a nkịtị ụdị compressor na nke ugbu a ahịa, ihe nlereanya bụ EBZ45-2+2+2, na aro dayameta bụ 120mm.Ihe mejupụtara centrifugal compressor bụ turbine uzuoku, igbe na-agba ọsọ na kọmpat.Njikọ ogwe dị n'etiti compressor, igbe na-agba ọsọ na turbine uzuoku bụ njikọ diaphragm, na ibu nke ikuku centrifugal compressor bụ ihe na-amị amị, na e nwere 5 na-ebu bushes na mkpokọta..
The centrifugal compressor na-eji usoro inye mmanụ nọọrọ onwe ya.Ụdị mmanu mmanu mmanu bụ N46 mmanụ.Mmanụ lubricating nwere ike ịbanye n'etiti dayameta osisi na ihe na-ebu ya site na ike ntụgharị nke dayameta osisi n'onwe ya.
2 Nsogbu na arụ ọrụ nke centrifugal compressors
2.1 Enwere nnukwu nsogbu
Mgbe emezigharị nke ọma na 2019, ikuku centrifugal compressor nke ngalaba nkewa ikuku na-arụ ọrụ nke ọma n'ime otu afọ, na-enweghị nnukwu ọdịda yana obere ọdịda dị nta.Agbanyeghị, n'ọnwa Ọktoba 2020, okpomọkụ nke oke ohia na-akwado centrifugal compressor nwere ịrị elu na-adịghị mma.Okpomọkụ ahụ ruru ogo Celsius 82.1 kachasị, wee jiri nwayọ daa azụ ka o bilitere, wee kwụsie ike na gburugburu 75 Celsius.The centrifugal compressor nwere ahụ ọkụ na-adịghị mma na-ebili ọtụtụ oge, na okpomọkụ na-ebili dịgasị iche iche oge ọ bụla, isi ihe dị ka 80 degrees Celsius.
2.2 Nyocha ahụ
Na nzaghachi na nsogbu nke ịrị elu okpomọkụ nke centrifugal compressor, iji hụ na arụ ọrụ nchekwa nke centrifugal compressor, ụlọ ọrụ L chụpụrụ ma nyochaa ahụ centrifugal compressor na December, na enwere ike ịhụ n'ụzọ doro anya na enwere mmanu n'ime ebe isi na-akwado tile mmanụ dị elu nke na-eme ka ikuku carbon dị elu.N'oge nyocha nke mpụga nke centrifugal compressor, ahụrụ ngụkọta nke paịlị abụọ na-ebu ibu nwere ihe nkwụnye carbon, na otu n'ime ihe mkpuchi ahụ nwere olulu dara nke dị ihe dị ka 10mmX15mm, olulu miri emi dịkwa ihe dịka 0.4mm.
3. Nyochaa ihe kpatara mmụba okpomọkụ na-adịghị mma nke centrifugal compressor bearing bushes.
Dị ka nyocha nke ndị na-ahụ maka nkà na ụzụ si kwuo, isi ihe kpatara ịrị elu okpomọkụ na-adịghị mma nke centrifugal compressor bearing bush bụ ndị a: (1) Ogo mmanụ.Mgbe centrifugal compressor na-agba ọsọ na oke ọsọ ọsọ, okpomọkụ dị elu na ọnọdụ nrụgide dị elu ga-eme ka ịka nká nke mmanụ mmanụ, nke ga-enwe mmetụta dị njọ na mmetụta lubrication nke centrifugal compressor.Dị ka mgbako nke ndị na-ahụ maka nkà na ụzụ si kwuo, oge ọ bụla okpomọkụ na-ebili site na 10 degrees Celsius, ọsọ ịka nká nke mmanụ lubricating ga-abụ okpukpu abụọ, ya mere, ọ bụrụ na arụmọrụ nke mmanụ lubricating adịghị mma, a ga-eme ngwa ngwa ngwa ngwa n'okpuru ọnọdụ okpomọkụ dị elu. .Nyochaa arụmọrụ nke mmanụ mmanye hụrụ na ọtụtụ n'ime ihe ngosi emezughị ọkọlọtọ achọrọ [1] (2) Ọnụ mmanụ ejiri.Ọ bụrụ na a na-agbakwunye mmanụ na-egbuke egbuke nke ukwuu, ọ ga-eme ka ikuku carbon dị na mmanụ lubricating na-emebiga ihe ókè n'okpuru ọnọdụ okpomọkụ dị elu, n'ihi na oke mmanu mmanu ga-eduga n'inweghachi mmanụ na-ezughị ezu, na ngwakọta mmanụ nke siri ike ịmegharị ma nwee nnukwu viscosity. nọrọ nso n'osisi na-ebu ibu , na-eme ka mbelata nkwụsị nke nkwụsị ahụ, na-eme ka ọkpụkpụ na-ebu ibu na-ebuwanye ibu, nke ga-eme ka mmụba na-adịghị mma na okpomọkụ nke ihe mkpuchi ahụ n'ihi nnukwu esemokwu.(3) Mmechi na-adịghị mma.Dị ka nyocha nke ndị na-ahụ maka nkà na ụzụ si kwuo, otu izu tupu oke okpomọkụ na-adịghị mma nke oke ohia nke centrifugal compressor, e nwere nnukwu nsogbu nkwụsị nke uzuoku na osisi ahụ, nke mere ka njedebe na-adịghị mma nke centrifugal compressor.Nkwụsị ahụ na-adịghị mma ga-eme ka axial Force na ike centrifugal na-enweghị isi na-abawanye ngwa ngwa, si otú ahụ na-abawanye ibu ọrụ nke ohia na-ebu, na-ebute mmụba na okpomọkụ nke mmanụ mmanụ.
4 Usoro mgbochi dị mma maka ịrị elu okpomọkụ nke centrifugal compressor bearing ohia
Nke mbụ, ọ dị mkpa iji melite mma mmanu mmanu mmanu iji jide n'aka na paramita nke mmanụ lubricating nwere ike izute isi ọnọdụ ọrụ nke centrifugal compressor.Enwere ike imezi mmanụ a na-ete mmanụ site n'ịgbakwụnye antioxidants, ndị na-egbochi esemokwu na ndị na-egbochi ụfụfụ na mmanụ mmanụ.Arụmọrụ, nwere ike nweta nsonaazụ dị mma, belata ọsọ ịka nká nke mmanụ mmanye, ka ọ ghara igbochi mmetụta lubricating nke centrifugal compressor bearing pads site na ibelata n'ihi oke ọsọ ịka nká nke mmanụ mmanụ, yana nwee ike dozie nsogbu ahụ nke ịrị elu okpomọkụ nke na-adịghị mma. mpe mpe akwa [2].
Nke abụọ, ọ dị mkpa ka a chịkwaa oke mmanụ mmanụ a na-eji eme ihe.Dị ka ọnọdụ ọrụ kpọmkwem nke centrifugal compressor si dị, ọnụ ọgụgụ mmanụ mmanụ agbakwunyere kwesịrị ịchịkwa n'ime oke ezi uche.Oke mmanu mmanu mmanu nke ukwuu ma obu ntakiri ga-eme ka Compressor centrifugal mebie.Ya mere, ọ dị mkpa iji gbakọọ ọnụ ọgụgụ oriri mmanụ na-agba mmanụ nke centrifugal compressor ma mejupụta mmanụ mmanye zuru oke n'oge.
Ọzọkwa, n'ihi na nkwado elu nke nkwado nkwado nke centrifugal compressor bụ nke ihe alloy siri ike, ngwa ngwa na-eyi na-adị ngwa ngwa, ya mere enwere ike iji kerosene kpochaa ihe nkwụnye carbon na ihe nkwụnye ego iji dozie nsogbu nkwụnye ego carbon, si otú ahụ mee ihe. na-agbake Ngwunye elu nke ihe mgbochi mkpali nwere ike nweta nsonaazụ dị mma mgbe ọgwụgwọ gasịrị.Tụkwasị na nke ahụ, n'ihi nsogbu nke ezughị ezu nke oghere mmanụ na-agbapụta na mgbanaka ahụ, a ga-ebelata ụda nlọghachi mmanụ, nke ga-emetụta mmetụta nlọghachi mmanụ.A na-anabata usoro nke nrụgide nrụgide na oghere nke mgbanaka na-ebu, na onye na-ahụ maka ọrụ na-atụgharịghachi ọnọdụ mmeghe The nrụgide, na ndị na-emepụta ihe na-ekwurịta okwu, mụbara wedge, nke mere na mmanụ lubricating nwere ike ịbanye n'elu nke osisi na-ebu ibu ka ọ dị mma. mepụta ihe nkiri mmanụ.
N'ikpeazụ, iji dozie nsogbu a, a na-eji paịlị abụọ dị ala na pad ọhụrụ ahụ na-akpụcha mmanụ, na-amụba akpa mmanụ ahụ, mee ka mmanu mmanu mmanu mmanu n'oge a na-arụ ọrụ pad, na-eme ka kọntaktị dị n'etiti eriri ahụ. mpe mpe akwa na dayameta aro ka edo., iji hụ na ebe kọntaktị dị n'etiti ohia na-ebu na ogwe osisi nwere ike izute àgwà dị mma.N'otu oge ahụ, a na-agbaso usoro nchacha iji kpochapụ ntụpọ niile dị ugbu a iji hụ na ịdịmma tozuru oke [3].
Mgbe emechara usoro mgbochi ndị a dị n'elu, nsogbu nke ịrị elu okpomọkụ na-adịghị mma nke centrifugal compressor ka edozila nke ọma.Mgbe otu izu nke ule na ule gasịrị, enwere ike ịchịkwa okpomọkụ nke ohia na-ebu ya n'etiti 50-60 degrees Celsius, na uru ịma jijiji dị n'ime oke a kapịrị ọnụ.N'ime, mmetụta mgbanwe pụtara ìhè.
mmechi
N'ịchịkọta, isiokwu a na-enyocha nke ọma ihe kpatara ịrị elu okpomọkụ nke centrifugal compressor bearing bushes, ma na-ebute ụzọ mgbochi dị irè, na-atụ anya ịrụ ọrụ ụfọdụ na ntụaka na enyemaka maka mmepụta mmepụta ihe nke obodo m.