1. Uma kuqhathaniswa nama-compressor okuqandisa e-piston aphindaphindayo, ama-compressor okuqandisa anezinzuzo eziningi ezifana nesivinini esikhulu, isisindo esincane, ivolumu encane, indawo encane kanye nokushaya komoya okuphansi.
2. I-screw refrigeration compressor ayinawo amandla aphindaphindayo e-inertial mass, ukusebenza kahle kwe-dynamic balance, ukusebenza okuzinzile, ukudlidliza kwesisekelo esincane, kanye nesisekelo esincane.
3. I-screw refrigeration compressor inesakhiwo esilula kanye nenani elincane lezingxenye. Azikho izingxenye ezigugile ezifana nama-air valve nama-piston rings. Izingxenye zayo eziyinhloko zokungqubuzana, njenge-rotors nama-bearings, zinamandla aphezulu kanye nokumelana nokuguguleka, kanye nezimo zokugcoba. Kuhle, ngakho-ke inani lomshini lincane, ukusetshenziswa kwezinto kuphansi, umjikelezo wokusebenza mude, ukusetshenziswa kuthembekile, ukulungiswa kulula, futhi kuyazuzisa ukuqaphela ukuzenzekela kokusebenza.
4. Uma kuqhathaniswa ne-compressor yesivinini, i-screw compressor inezici zokulethwa kwegesi okuphoqelelwe, okungukuthi, ukufuduka cishe akuthinteki yingcindezi yokukhipha, futhi akukho mkhuba wokukhuphuka lapho ukufuduka kuncane. Ngaphakathi kwezimo, ukusebenza kahle kusengaba phezulu.
5. I-valve yesilayidi isetshenziselwa ukulungisa, okungafeza ukulungiswa kwamandla okungenazinyathelo.
6. I-screw compressor ayizweli ekungeneni koketshezi, futhi ingapholiswa ngomjovo kawoyela, ngakho-ke ngaphansi kwesilinganiso sokucindezela esifanayo, izinga lokushisa lokukhipha umoya liphansi kakhulu kunelohlobo lwe-piston, ngakho-ke isilinganiso sokucindezela sesigaba esisodwa siphakeme.
7. Akukho volumu yokuvula, ngakho-ke ukusebenza kahle kwevolumu kuphezulu.
Isimiso sokusebenza kanye nesakhiwo se-screw compressor:
1. Inqubo yokuphefumula:
Imbobo yokumunca ohlangothini lokungenisa lohlobo lwesikulufo kumele yakhelwe ngendlela yokuthi igumbi lokucindezela likwazi ukuphefumula umoya ngokugcwele, kuyilapho i-screw air compressor ingenalo iqembu le-valve yokungenisa neyokukhipha umoya, futhi umoya wokungenisa ulawulwa kuphela ngokuvula nokuvala kwe-valve elawulayo. Lapho i-rotor ijikeleza, isikhala se-tooth groove yama-rotor amakhulu nawasizayo sikhulu kakhulu uma sifika ekuvulekeni kodonga lokungena. Umoya uphela ngokuphelele, futhi lapho i-output isiphelile, i-tooth groove isesimweni se-vacuum. Uma iphendukela ekungeneni komoya, umoya wangaphandle uyangena bese ugeleza ungene emngeneni wamazinyo wama-rotor amakhulu nasizayo ngendlela ye-axial. Isikhumbuzo sokulungisa i-screw air compressor Lapho umoya ugcwalisa yonke i-tooth groove, ubuso bokugcina bohlangothi lokungenisa lwe-rotor buphenduka ekungeneni komoya kwe-casing, futhi umoya ophakathi kwe-tooth groove uvaliwe.
2. Inqubo yokuvala nokudlulisa:
Uma ama-rotor amakhulu kanye nalawo asekelayo ephefumulwa, iziqongo zamazinyo zama-rotor amakhulu kanye nalawo asekelayo zivalwa nge-casing, bese umoya uvalwa emihumeni yamazinyo futhi awusaphumi, okungukuthi, [inqubo yokuvala]. Ama-rotor amabili ayaqhubeka nokujikeleza, futhi ama-crests amazinyo kanye nemihume yamazinyo kuyahambisana ekugcineni kokumunca, futhi izindawo ezifanayo ziya kancane kancane ziye ekugcineni kokukhipha umoya.
3. Inqubo yokucindezelwa kanye nokufakwa kukaphethiloli:
Ngesikhathi senqubo yokudlulisa, indawo yokufaka i-mesh kancane kancane iya ngasekugcineni kokukhipha, okungukuthi, umsele wamazinyo phakathi kwendawo yokufaka i-mesh kanye ne-exhaust port iyancipha kancane kancane, igesi emseleni wamazinyo icindezelwa kancane kancane, futhi ingcindezi iyanda, okuyi [inqubo yokucindezela]. Ngesikhathi kucindezela, uwoyela wokugcoba nawo ufafazwa ekamelweni lokucindezela ngenxa yomehluko wokucindezela ukuze uxubane nomoya wekamelo.
4. Inqubo yokukhipha ugesi:
Lapho ubuso bokugcina be-meshing be-rotor buphenduka ukuze buxhumane nomoya ophumayo we-casing, (ingcindezi yegesi ecindezelwe iphezulu kakhulu ngalesi sikhathi), igesi ecindezelwe iqala ukukhishwa kuze kube yilapho ubuso be-meshing be-tooth crest kanye nomsele wamazinyo uthuthela emhubheni. Ngalesi sikhathi, isikhala esiphakathi kobuso be-meshing bama-rotor amabili kanye ne-exhaust port ye-casing singu-zero, okungukuthi, inqubo yokukhipha i-exhaust isiqediwe. Ngesikhathi esifanayo, ubude bomsele wamazinyo phakathi kobuso be-meshing bama-rotor kanye nokungena komoya kwe-casing kufinyelela esiphezulu. Isikhathi eside, inqubo yayo yokuphefumula iyaqhubeka futhi.
1. I-screw compressor evalwe ngokuphelele
Umzimba wamukela isakhiwo sensimbi esisezingeni eliphezulu, esinama-porosity aphansi esinokuguquguquka okuncane kokushisa; umzimba wamukela isakhiwo esinodonga oluphindwe kabili esineziteshi zokukhipha umoya ngaphakathi, esinamandla aphezulu kanye nomphumela omuhle wokunciphisa umsindo; amandla angaphakathi nangaphandle omzimba alinganiselwe ngokuyisisekelo, ngaphandle kokuvula noma ukuvala kancane. Bekezela ingozi yokucindezela okuphezulu; igobolondo liyisakhiwo sensimbi esinamandla aphezulu, ukubukeka okuhle kanye nesisindo esilula. Yamukela isakhiwo esime mpo, i-compressor ithatha indawo encane, okuzuzisa ukuhlelwa kwamakhanda amaningi kwe-chiller; i-bearing engezansi ifakwa ethangini likawoyela, futhi i-bearing igcotshwe kahle; amandla e-axial e-rotor ancishiswa ngo-50% uma kuqhathaniswa nohlobo oluvaliwe kancane noluvulekile (umshini wemoto ohlangothini lokukhipha umsebenzi we-Balance); akukho bungozi be-cantilever yemoto evundlile, ukuthembeka okuphezulu; gwema ithonya le-screw rotor, i-slide valve, i-motor rotor self-weight ekunembileni kokufanisa, thuthukisa ukuthembeka; inqubo enhle yokuhlanganisa. Idizayini eqondile ye-screw yepompo engenawo uwoyela, ukuze kungabikho ukushoda kwamafutha lapho i-compressor isebenza noma ivala. Ibhereyi engezansi ifakwa ethangini likawoyela iyonke, kanti ibhereyi engenhla isebenzisa uwoyela ocindezelwe ngokuhlukile; isidingo sokucindezela okuhlukile kohlelo siphansi, futhi sinomsebenzi wokuvikela ukuthambisa uma kwenzeka isimo esiphuthumayo, sigwema ukuntuleka kokuthambisa uwoyela kwebhereyi, okusiza ekuqalisweni kweyunithi ngezikhathi zokuguquka.
Okubi: kusetshenziswa ukupholisa i-exhaust, futhi injini isechwebeni le-exhaust, okungase kubangele ukuthi i-coil yemoto ishe kalula; ngaphezu kwalokho, ayikwazi ukususwa ngesikhathi lapho kwenzeka iphutha.
2. I-semi-hermetic screw compressor
Injini ipholiswa yisifutho esiwuketshezi, izinga lokushisa lokusebenza lenjini liphansi, futhi impilo yesevisi inde; i-compressor evulekile isebenzisa injini epholiswe ngomoya, izinga lokushisa lokusebenza lenjini liphezulu, okuthinta impilo yenjini, kanye nendawo yokusebenza yegumbi lomshini ayilungile; imoto ipholiswa yigesi yokukhipha umoya, izinga lokushisa lokusebenza lenjini liphezulu kakhulu, impilo yenjini imfushane. Ngokuvamile, isihlukanisi samafutha sangaphandle sinomthamo omkhulu, kodwa ukusebenza kahle kwaso kuphezulu kakhulu; isihlukanisi samafutha esakhelwe ngaphakathi sihlanganiswe ne-compressor, futhi ivolumu yaso incane, ngakho umphumela awulungile. Umphumela wokuhlukaniswa kwamafutha wokuhlukaniswa kwamafutha kwesibili ungafinyelela ku-99.999%, okungaqinisekisa ukugcotshwa okuhle kwe-compressor ngaphansi kwezimo zokusebenza ezahlukahlukene.
Kodwa-ke, i-semi-hermetic screw compressor yohlobo lwe-plunger ishesha ngokudluliselwa kwegiya, ijubane liphezulu (cishe i-12,000 rpm), ukuguguleka kukhulu, futhi ukuthembeka akukuhle.
3. Vula isikulufo se-compressor
Izinzuzo zeyunithi evulekile yilezi:
1) I-compressor ihlukaniswe ne-motor, ukuze i-compressor isetshenziswe kabanzi;
2) I-compressor efanayo ingasetshenziswa neziqandisi ezahlukene. Ngaphezu kokusebenzisa iziqandisi ze-hydrocarbon ezine-halogenated, i-ammonia ingasetshenziswa futhi njengeziqandisi ngokushintsha izinto zezingxenye ezithile;
3) Ama-motor anezinjini ezahlukene angafakwa ngokweziqandisi ezahlukene kanye nezimo zokusebenza.
4) Uhlobo oluvulekile luhlukaniswe futhi ngezikulufo ezi-single kanye nezikulufo ezi-twin
I-compressor yesikulufu esisodwa iqukethe isikulufu esiyisilinda kanye namasondo amabili ezinkanyezi ahlelwe ngokulinganayo, afakwe esikhaleni. I-groove yesikulufu, udonga lwangaphakathi lwesikulufu (isilinda) kanye namazinyo egiya lezinkanyezi kwakha ivolumu evaliwe. Amandla adluliselwa ku-screw shaft, bese isondo lezinkanyezi liqhutshwa yi-screw ukuze lijikeleze. Igesi (uketshezi olusebenzayo) ingena emseleni wesikulufu isuka ekamelweni lokumunca, bese ikhishwa ngembobo yokukhipha umoya kanye negumbi lokukhipha umoya ngemva kokucindezelwa. Indima yesondo lezinkanyezi ilingana ne-piston ye-compressor ye-piston ephindaphindayo. Lapho amazinyo esondo lezinkanyezi ehamba cishe emseleni wesikulufu, ivolumu evaliwe iyancipha kancane kancane bese igesi icindezelwa.
Isimiso sokusebenza se-screw compressor kanye nokuqhathaniswa kwezinhlobo ezivalekile ngokuphelele, ezi-semi-hermetic kanye nezivulekile
Isikulufu se-compressor yesikulufu esisodwa sinemigoqo eyisikulufu engu-6, kanti isondo lenkanyezi linamazinyo angu-11, okulingana namasilinda angu-6. Amasondo amabili ezinkanyezi anemigoqo eyisikulufu ngesikhathi esisodwa. Ngakho-ke, ukujikeleza ngakunye kwesikulufu kulingana namasilinda angu-12 asebenzayo.
Njengoba sonke sazi, ama-screw compressor (kufaka phakathi ama-twin-screw kanye nama-single-screw) ayingxenye enkulu yama-rotary compressor. Ngokombono wemakethe yamazwe ngamazwe, phakathi neminyaka engama-20 kusukela ngo-1963 kuya ku-1983, izinga lokukhula kwaminyaka yonke lokuthengiswa kwama-screw compressor emhlabeni lalingu-30%. Njengamanje, ama-twin-screw compressor ahlanganisa u-80% wama-compressor anomthamo ophakathi eJapane, eYurophu nase-United States. Njengama-single-screw compressor kanye nama-twin-screw compressor angaphakathi kobubanzi obufanayo bokusebenza, uma kuqhathaniswa, ama-twin-screw compressor ahlanganisa ngaphezu kuka-80% wemakethe yonke yama-screw compressor ngenxa yobuchwepheshe bawo obuhle bokucubungula kanye nokuthembeka okuphezulu. Ama-screw compressor ahlanganisa ngaphansi kuka-20%. Okulandelayo ukuqhathanisa okufushane kwama-compressor amabili.
1. Isakhiwo
Isikulufu kanye nesondo lenkanyezi le-compressor enezikulufo ezi-single kungokwezimbili zezimbungu eziyindilinga, kanti i-screw shaft kanye ne-star wheel shaft kumele kugcinwe kuqondile esikhaleni; ama-rotor esifazane nabesilisa e-compressor enezikulufo ezimbili alingana nezimbili zezigiya, kanti ama-rotor shaft esifazane nabesifazane agcinwa ehambisana. Ngokwesakhiwo, ukunemba kokubambisana phakathi kwesikulufu kanye nesondo lenkanyezi le-compressor enezikulufo ezimbili kunzima ukukuqinisekisa, ngakho-ke ukuthembeka komshini wonke kuphansi kunokwe-twin-screw.
2. Imodi yedrayivu
Zombili izinhlobo zama-compressor zingaxhunywa ngqo ku-motor noma ziqhutshwe yi-belt pulley. Uma ijubane le-compressor enama-screw amabili liphezulu, igiya lokusheshisa lidinga ukukhushulwa.
3. Indlela yokulungisa umthamo wokupholisa
Izindlela zokulungisa ivolumu yomoya zama-compressor amabili ziyafana, zombili ezingasebenzisa ukulungiswa okuqhubekayo kwe-valve yesilayidi noma ukulungiswa kwe-plunger ngesinyathelo. Uma i-valve yesilayidi isetshenziselwa ukulungiswa, i-compressor enezikulufo ezimbili idinga i-valve eyodwa yesilayidi, kuyilapho i-compressor enezikulufo eyodwa idinga ama-valve amabili esilayidi ngesikhathi esisodwa, ngakho-ke isakhiwo siba nzima futhi ukuthembeka kwehla.
4. Izindleko zokukhiqiza
I-compressor yesikulufu esisodwa: Ama-bearings ajwayelekile angasetshenziswa kuma-screw nama-star wheel bearings, futhi izindleko zokukhiqiza ziphansi kakhulu.
I-compressor yezikulufo ezimbili: Ngenxa yomthwalo omkhulu kuma-rotor anezikulufo ezimbili, kuyadingeka ukusebenzisa ama-bearings anokunemba okuphezulu, futhi izindleko zokukhiqiza ziphakeme kakhulu.
5. Ukuthembeka
I-compressor enezikulufo ezi-single: Isondo lenkanyezi le-compressor enezikulufo ezi-single liyingxenye esengozini. Ngaphezu kwezidingo eziphezulu zezinto zesondo lenkanyezi, isondo lenkanyezi lidinga ukushintshwa njalo.
I-compressor yezikulufo ezimbili: Azikho izingxenye ezigugile ku-compressor yezikulufo ezimbili, futhi isikhathi sokusebenza esingenazinkinga singafinyelela emahoreni angu-40,000 kuya ku-80,000.
6. Ukuhlanganiswa nokugcinwa
Njengoba i-screw shaft kanye ne-star wheel shaft ye-single-screw compressor kumele igcinwe iqonde phezulu esikhaleni, izidingo zokunemba kwe-axial kanye ne-radial position ziphakeme kakhulu, ngakho-ke ukuhlanganiswa kanye nokugcinwa okulula kwe-single-screw compressor kuphansi kune-twin-screw compressor.
Izinkinga eziyinhloko zeyunithi evulekile yilezi:
(1) I-shaft seal kulula ukuyivuza, okuyiyona nto egcinwa njalo ngabasebenzisi;
(2) Injini ehlonyisiwe ijikeleza ngesivinini esikhulu, umsindo wokuhamba komoya mkhulu, futhi umsindo we-compressor uqobo nawo mkhulu kakhulu, okuthinta imvelo;
(3) Izingxenye zesistimu kawoyela eziyinkimbinkimbi njengezihlukanisi zikawoyela ezihlukene kanye nama-cooler kawoyela kudingeka zilungiselelwe, futhi iyunithi inkulu futhi ayilungele ukusetshenziswa nokunakekelwa.
I-compressor yezikulufo ezine, ezintathu
Isakhiwo esiyingqayizivele sejiyometri ye-rotor enezingqimba ezintathu sinquma ukuthi inezinga lokuvuza eliphansi kune-compressor enezingqimba ezimbili; i-compressor enezikulufo ezinezingqimba ezintathu inganciphisa kakhulu umthwalo ku-bearing; ukwehla komthwalo we-bearing kwandisa indawo yokukhipha, ngaleyo ndlela kuthuthukisa ukusebenza kahle; kubaluleke kakhulu ukunciphisa ukuvuza kweyunithi ngaphansi kwanoma yisiphi isimo somthwalo, ikakhulukazi uma usebenza ngaphansi kwesimo somthwalo ongaphelele, umthelela uba mkhulu nakakhulu.
Ukuzilawula Komthwalo: Uma uhlelo lushintsha, inzwa iphendula ngokushesha, futhi isilawuli senza izibalo ezihlobene, ukuze sizilawule ngokushesha nangokufanele; ukuzilawula akukhawulelwe yi-actuators, ama-guide vanes, ama-solenoid valves nama-slide valves, futhi kungenziwa ngokuqondile, ngokushesha nangokuthembekile.
Isikhathi sokuthunyelwe: Feb-10-2023
