1. Molao-motheo oa phetoho ea matla a mekhahlelo e mene ea screw compressor
Sistimi ea tokiso ea methati e mene e na le valve ea slide e fetolang bokhoni, li-valve tse tharo tse koetsoeng ka tloaelo tsa solenoid le sete ea li-piston tsa hydraulic.Sebaka se feto-fetohang ke 25% (e sebelisoang ha ho qala kapa ho emisa), 50%, 75%, 100%.
Molao-motheo ke ho sebelisa piston ea khatello ea oli ho sutumelletsa valve ea taolo ea molumo.Ha mojaro o le leeme, valve ea slide ea taolo ea molumo e tsamaea ho feta karolo ea khase ea sehatsetsing ho khutlela pheletsong ea ho hula, e le hore sekhahla sa phallo ea khase ea sehatsetsing se fokotsehe ho fihlela mosebetsi o sa fellang.Ha e emisoa, matla a selemo a etsa hore piston e khutlele boemong ba pele.
Ha compressor e ntse e sebetsa, khatello ea oli e qala ho sutumelletsa piston, 'me boemo ba piston ea khatello ea oli bo laoloa ke ketso ea valve ea solenoid,' me valve ea solenoid e laoloa ke mochine oa mocheso oa metsi (outlet) oa mocheso. evaporator ea tsamaiso.Oli e laolang piston ea tokiso ea bokhoni e romelloa ho tsoa tanka ea polokelo ea oli ea casing ka khatello e fapaneng.Ka mor'a ho feta ka har'a filthara ea oli, capillary e sebelisoa ho fokotsa phallo ebe e romeloa ho hydraulic cylinder.Haeba filthara ea oli e koetsoe kapa capillary e koetsoe, matla a tla koaleha.Sistimi ea ntlafatso ha e sebetse hantle kapa e hloleha.Ka mokhoa o ts'oanang, haeba valve ea solenoid ea phetoho e hlōleha, boemo bo tšoanang le bona bo tla etsahala.
1. 25% e qala ts'ebetso
Ha konpresser e qala, mojaro o tlameha ho fokotsoa ho bonyane hore ho be bonolo ho qala.Ka hona, ha SV1 e ts'oaroa, oli e fetisetsoa ka kotloloho kamoreng e nang le khatello e tlase, 'me valve ea volumetric slide e na le sebaka se seholo sa ho feta.Ka nako ena, mojaro ke 25% feela.Ka mor'a hore Y-△ e phethoe, compressor e ka qala ho kenya butle-butle.Ka kakaretso, nako ea ho qala ea 25% ea ts'ebetso ea mojaro e behiloe metsotsoana e ka bang 30.
2. 50% ts'ebetso ea mojaro
Ka ts'ebetso ea ts'ebetso ea ho qala kapa ts'ebetso ea phetoho ea mocheso e behiloeng, valve ea SV3 solenoid e ea matlafatsoa 'me ea buloa,' me piston e fetolang bokhoni e fallela boema-kepeng ba potoloho ea oli ea valve ea SV3, e tsamaisang boemo ba bokhoni. -ho fetola valve ea slide ho fetoha, 'me karolo ea khase ea sehatsetsing e feta ka screw Potoloho ea bypass e khutlela kamoreng e tlaase ea khatello,' me compressor e sebetsa ka 50% mojaro.
3. 75% ts'ebetso ea mojaro
Ha lenaneo la ho qala tsamaiso le phethiloe kapa sesebelisoa sa mocheso se behiloeng se kentsoe, lets'oao le romelloa ho valve ea solenoid SV2, 'me SV2 e fuoa matla le ho buloa.Khutlela ka lehlakoreng le tlaase-khatello, karolo ea khase ea sehatsetsing e khutlela kamoreng e tlaase-khatello e tsoang ho "screw bypass port", "compressor displacement" e eketseha (e fokotseha), 'me compressor e sebetsa ka 75%.
4. 100% tshebetso e tletseng mojaro
Kamora hore compressor e qale, kapa mocheso oa metsi a batang o phahame ho feta boleng bo behiloeng, SV1, SV2, le SV3 ha li sebelisoe, 'me oli e kena ka kotloloho moqomong oa khatello ea oli ho sutumelletsa piston ea ho fetola molumo pele, le piston ea phetoho ea molumo. e khanna valve ea slide ea phetoho ea molumo hore e tsamaee, e le hore ho pholisa The agency bypass port port e fokotsehile butle-butle ho fihlela valve ea slide ea ho fetola matla e sutumelletsoa ka tlase, ka nako ena compressor e matha ka 100% e tletseng mojaro.
2. Screw compressor stepless matla a ho fetola tsamaiso
Molao-motheo oa motheo oa mokhoa oa ho fetola matla a ho se be sethaleng o tšoana le oa mokhoa oa ho fetola matla a mekhahlelo e mene.Phapang e teng ts'ebetsong ea taolo ea valve ea solenoid.Taolo ea matla a mekhahlelo e mene e sebelisa li-valve tse tharo tse koetsoeng ka tloaelo, 'me taolo ea matla e sa sebetseng e sebelisa sephahla se le seng se bulehileng sa solenoid le se le seng kapa tse peli tse tloaelehileng tse koetsoeng tsa solenoid ho laola ho fetoha ha solenoid valve., ho etsa qeto ea ho kenya kapa ho theola konpressor.
1. Lethathamo la phetoho ea bokhoni: 25% ~ 100%.
Sebelisa valve e tloaelehileng e koetsoeng ea solenoid SV1 (laola phallo ea oli) ho netefatsa hore compressor e qala ka tlas'a mojaro o fokolang le valve e tloaelehileng e bulehileng ea solenoid SV0 (control oil inlet passage), laola SV1 le SV0 ho matlafatsoa kapa che ho ea ka litlhoko tsa mojaro. Ho finyella phello ea ho laola matla a ho fetola matla, phetoho e joalo e se nang mohato e ka laoloa ka ho tsoelang pele pakeng tsa 25% le 100% ea bokhoni ba ho finyella mosebetsi oa tlhahiso e tsitsitseng.Nako e khothalletsoang ea ketso ea taolo ea li-valve tsa solenoid e ka bang 0.5 ho 1 motsotsoana ka mokhoa oa ho otla, 'me e ka ba Fetola ho ea ka boemo ba sebele.
2. Lethathamo la phetoho ea bokhoni: 50% ~ 100%
E le ho thibela mochini oa compressor oa sehatsetsi hore o se ke oa sebetsa tlas'a mojaro o tlase (25%) nako e telele, e ka etsang hore mocheso oa motlakase o be holimo haholo kapa valve ea katoloso e be kholo haholo ho baka khatello ea metsi, compressor e ka fetoloa. ho ea boemong bo fokolang ha ho etsoa mokhoa oa ho fetola matla a se nang mohato.Taolo ka holimo ho 50% mojaro.
Sesepa sa solenoid se tloaelehileng se koetsoeng SV1 (ho laola oli ea ho laola) se sebelisetsoa ho etsa bonnete ba hore compressor e qala ka mojaro o fokolang oa 25%;Ho phaella moo, valve ea solenoid SV0 e atisang ho buleha (ho laola tsela ea ho kena ka oli) 'me hangata e koalehile SV3 (ho laola ho phalla ha oli) ho fokotsa ts'ebetso ea compressor pakeng tsa 50% le 100%, le ho laola SV0 le SV3 ho fumana matla kapa eseng ho fihlela phello ea taolo e tsoelang pele le e se nang mohato ea tokiso ea bokhoni.
Nako e khothalletsoang ea ho sebetsa bakeng sa taolo ea li-valve tsa solenoid: hoo e ka bang 0.5 ho 1 motsotsoana ka mokhoa oa ho otla, 'me ue fetole ho ea ka boemo ba sebele.
3. Mekhoa e mene ea ho fetola phallo ea screw compressor
Mekhoa e fapaneng ea taolo ea screw air compressor
Ho na le lintlha tse ngata tse lokelang ho nahanoa ha u khetha mofuta oa screw air compressor.Tšebeliso e phahameng ka ho fetisisa ea moea e tlameha ho eloa hloko 'me moeli o itseng o tlameha ho nkoa.Leha ho le joalo, nakong ea ts'ebetso ea letsatsi le letsatsi, compressor ea moea ha e lule e le tlas'a boemo bo lekantsoeng ba ho tsoa.
Ho ea ka lipalo-palo, karolelano ea mojaro oa li-compressor tsa moea Chaena e ka ba 79% feela ea sekhahla sa phallo ea molumo.Ho ka bonoa hore matšoao a tšebeliso ea matla a maemo a boima a lekantsoeng le maemo a moroalo a sa fellang a hloka ho nahanoa ha ho khethoa li-compressor.
Li-screw air compressors tsohle li na le mosebetsi oa ho lokisa phallo, empa mehato ea ts'ebetsong e fapane.Mekhoa e tloaelehileng e kenyelletsa phetoho ea ON / OFF loading / unloading, suction throttling, motor frequency conversion, slide valve variable capacity, joalo-joalo Mekhoa ena ea ho fetola e ka boela ea kopanngoa ka mokhoa o bonolo ho ntlafatsa moralo.
Tabeng ea matla a itseng a matla a moamoheli oa compressor, tsela e le 'ngoe feela ea ho boloka matla a eketsehileng ke ho ntlafatsa mokhoa oa ho laola ho tsoa ho compressor ka kakaretso, e le ho fihlela litlamorao tse felletseng tsa ho boloka matla tšimong ea ts'ebeliso ea li-air compressor. .
Li-screw air compressors li na le lits'ebetso tse fapaneng, 'me ho thata ho fumana mokhoa o sebetsang oa taolo o loketseng linako tsohle.E hloka ho hlahlojoa ka botlalo ho latela boemo ba sebele ba kopo e le hore ho khethoe mokhoa o nepahetseng oa ho laola.Se latelang se hlahisa ka bokhutšoanyane mekhoa e mene e tloaelehileng ea taolo ho kenyeletsoa likarolo tse ling tsa mantlha le ts'ebeliso.
1. ON/OFF Taolo ea ho kenya/ea ho theola
Taolo ea ON/OFF ea ho laolla/ho theola ke mokhoa o batlang o le oa setso le o bonolo oa taolo.Mosebetsi oa eona ke ho fetola ka bohona phetoho ea valve ea ho kena ka har'a compressor ho latela boholo ba tšebeliso ea khase ea moreki, e le hore compressor e laoloe kapa e theoloe ho fokotsa phepelo ea khase.Ho feto-fetoha ha khatello.Taolong ena ho na le li-valve tsa solenoid, li-valve tsa ho kenya, li-vent le melapo ea taolo.
Ha tšebeliso ea khase ea moreki e lekana kapa e kholo ho feta tekanyo ea ho felloa ke matla ea yuniti, valve ea solenoid ea ho qala / ea ho theola e boemong ba matla 'me phala ea taolo ha e etsoe.Ho matha tlasa moroalo.
Ha moea o sebelisoang ke moreki o le ka tlase ho phallo e reriloeng, khatello ea phaephe ea compressor e tla nyoloha butle.Ha khatello ea ho tsoa e fihla 'me e feta khatello ea ho laolla ea yuniti, compressor e tla fetohela ts'ebetsong ea ho laolla.Motlakase oa ho qala / oa ho theola motlakase o boemong ba ho tima motlakase ho laola ho tsamaisoa ha pipeline, 'me tsela e' ngoe ke ho koala valve ea ho kenya;tsela e 'ngoe ke ho bula valve ea moea ho lokolla khatello ka tanka ea karohano ea oli-gase ho fihlela khatello e ka hare ea tanka ea karohano ea khase e tsitsitse (hangata 0.2 ~ 0.4MPa), ka nako ena yuniti e tla sebetsa ka tlase ho tlase. khatello ea mokokotlo 'me u boloke boemo bo se nang moroalo.
Ha tšebeliso ea khase ea moreki e eketseha 'me khatello ea lipeipi e theohela ho boleng bo boletsoeng, yuniti e tla tsoela pele ho kenya le ho sebetsa.Ka nako ena, valve ea ho qala / ea ho laolla ea solenoid e matlafalitsoe, phala ea taolo ha e etsoe, 'me valve ea ho kena ea hlooho ea mochine e boloka sebaka se seholo ka tlas'a ts'ebetso ea vacuum ea ho hula.Ka tsela ena, mochine o jara le ho theola khafetsa ho latela phetoho ea tšebeliso ea khase qetellong ea mosebelisi.Tšobotsi e ka sehloohong ea mokhoa oa ho laola / oa ho laola ke hore valve e kenang ea enjene e kholo e na le linaha tse peli feela: e bulehileng ka ho feletseng le e koetsoeng ka ho feletseng, 'me boemo ba ho sebetsa ba mochine bo na le lipolelo tse tharo feela: ho kenya, ho laolla, le ho koala ka mokhoa o itekanetseng.
Bakeng sa bareki, moea o hatelitsoeng haholoanyane o lumelloa empa ha oa lekana.Ka mantsoe a mang, ho falla ha compressor ea moea ho lumelloa ho ba kholo, empa eseng e nyenyane.Ka hona, ha molumo oa ho qeta oa yuniti o le moholo ho feta tšebeliso ea moea, yuniti ea compressor ea moea e tla theoloa ka bo eona ho boloka tekano lipakeng tsa molumo oa ho tima le moea o sebelisoang.
2. Suction throttling control
Mokhoa oa ho laola ho hula moea o fetola molumo oa moea oa compressor ho latela tšebeliso ea moea e hlokoang ke moreki, e le ho fihlela tekano lipakeng tsa phepelo le tlhoko.Likarolo tse ka sehloohong li kenyelletsa li-valve tsa solenoid, li-valve tsa khatello, li-valve tsa ho kenya, joalo-joalo Ha moea o sebelisoang o lekana le tekanyo ea ho qeta boholo ba lisebelisoa, valve ea ho kenya e bulehile ka ho feletseng, 'me sehlopha se tla sebetsa tlas'a mojaro o feletseng;Boholo ba molumo.Ts'ebetso ea "suction throttling control mode" e hlahisoa ka ho latellana bakeng sa maemo a mane a ts'ebetso ts'ebetsong ea mochini oa compressor o nang le khatello ea ho sebetsa ea 8 ho isa ho 8.6 bar.
(1) Boemo ba ho qala 0～3.5bar
Ka mor'a hore mochine oa compressor o qale, valve ea ho kenya e koetsoe, 'me khatello ea tanka ea karohano ea khase ea oli e thehoa ka potlako;ha nako e behiloeng e fihlile, e tla fetohela sebakeng sa mojaro o felletseng, 'me valve ea ho kenya e buloa hanyenyane ka vacuum suction.
(2) Boemo bo tloaelehileng ba ho sebetsa 3.5～8bar
Ha khatello e ka har'a sistimi e feta 3.5bar, bula valve ea khatello e tlase ho lumella moea o hatelitsoeng hore o kene pompong ea phepelo ea moea, boto ea komporo e lekola khatello ea lipeipi ka nako ea nnete, ebe valve ea ho kenya moea e buloa ka botlalo.
(3) Boemo ba ho sebetsa ba phetoho ea molumo oa moea 8～8.6bar
Ha khatello ea liphaephe e feta 8bar, laola tsela ea moea ho lokisa ho buleha ha valve ea ho kenya ho leka-lekanya molumo oa ho tsoa le moea.Nakong ena, tekanyo ea phetoho ea molumo oa ho tima ke 50% ho 100%.
(4) Boemo ba ho laolla - khatello e feta 8.6bar
Ha tšebeliso ea khase e hlokahalang e fokotsehile kapa ho se na khase e hlokahalang, 'me khatello ea lipeipi e feta boleng bo behiloeng ba 8.6bar, potoloho ea khase ea taolo e tla koala valve e kenang ebe e bula valve ea moea ho lokolla khatello ka tanka ea karohano ea oli le khase. ;yuniti e sebetsa ka khatello e tlase haholo ea morao e theoha, tšebeliso ea matla e fokotsehile.
Ha khatello ea liphaephe e theohela ho khatello e fokolang e behiloeng, potoloho ea moea ea taolo e koala valve ea moea, e bula valve ea ho kenya, 'me yuniti e fetohela boemong ba ho laela.
Taolo ea ho suction throttling e fetola molumo oa moea o kenang ka ho laola ho buloa ha valve ea ho kenya, ka hona ho fokotsa tšebeliso ea matla ea compressor le ho fokotsa makhetlo a ho laela / ho laolla khafetsa, kahoo e na le phello e itseng ea ho boloka matla.
3. Lebelo la ho fetola lebelo la taolo ea taolo
Taolo ea phetoho ea lebelo la Compressor ke ho fetola phallo ka ho fetola lebelo la koloi ea koloi, ebe o lokisa lebelo la compressor.Mosebetsi oa sistimi ea tokiso ea molumo oa moea oa "frequency conversion compressor" ke ho fetola lebelo la enjene ka phetoho ea maqhubu hore e tsamaellane le tlhokahalo e fetohang ea moea ho latela boholo ba tšebeliso ea moea ea moreki, e le ho fihlela tekano lipakeng tsa phepelo le tlhoko. .
Ho ea ka mefuta e fapaneng ea yuniti e 'ngoe le e' ngoe ea phetoho ea maqhubu, beha boholo ba maqhubu a ho fetolela maqhubu le lebelo le phahameng la enjene ha yuniti ea organic e ntse e sebetsa.Ha ts'ebeliso ea moea ea moreki e lekana le phallo e lekantsoeng ea yuniti, yuniti ea phetoho ea maqhubu e tla fetola lebelo la motlakase oa ho fetola maqhubu ho eketsa lebelo la enjene e kholo, mme yuniti e tla sebetsa tlasa mojaro o felletseng;Maqhubu a fokotsa lebelo la enjene e kholo mme a fokotsa moea o kenang ka nepo;ha moreki a khaotsa ho sebelisa khase, maqhubu a motlakase a feto-fetohang a fokotsehile ho ea bonyane, 'me ka nako e ts'oanang valve ea ho kenya e koetsoe' me ha ho na ho kenngoa ho lumelloang, sesebelisoa se boemong bo se nang letho 'me se sebetsa tlas'a khatello e tlaase ea mokokotlo. .
Matla a lekantsoeng a enjene ea ho khanna e nang le yuniti ea frequency ea compressor a tsitsitse, empa matla a shaft ea 'nete a amana ka kotloloho le mojaro le lebelo la eona.Setsi sa compressor se amohela taolo ea lebelo la phetoho ea maqhubu, 'me lebelo le fokotseha ka nako e ts'oanang ha mojaro o fokotsehile, e leng se ka ntlafatsang haholo ts'ebetso ea ts'ebetso nakong ea ts'ebetso ea mojaro o bobebe.
Ha ho bapisoa le li-compressor tsa maqhubu a indasteri, li-inverter compressors li hloka ho tsamaisoa ke li-inverter motors, tse nang le li-inverter le likhabinete tse tsamaisanang tsa motlakase, kahoo litšenyehelo li tla ba holimo haholo.Ka hona, litšenyehelo tsa pele tsa matsete a ho sebelisa compressor ea maqhubu a feto-fetohang li batla li phahame, mochini o fetolelang maqhubu ka boeona o na le ts'ebeliso ea matla le lithibelo tsa ho tima mocheso le moea oa mochini oa frequency converter, joalo-joalo, ke compressor ea moea feela e nang le mefuta e mengata ea tšebeliso ea moea e fapaneng. ka bophara, 'me hangata converter e khethoa tlas'a mojaro o batlang o le tlase.hlokahala.
Melemo ea mantlha ea li-inverter compressors ke tse latelang:
(1) Phello e hlakileng ea ho boloka matla;
(2) Mokelikeli o qalang o monyenyane, 'me tšusumetso ea marang-rang e nyenyane;
(3) Khatello e tsitsitseng ea ho ntša metsi;
(4) Lerata la yuniti le tlase, lebelo la ts'ebetso ea motlakase le tlase, 'me ha ho lerata le tsoang ho laelo le ho laolloa khafetsa.
4. Slide valve feto-fetoha matla phetoho
Molao-motheo oa ts'ebetso oa mokhoa oa ho laola matla a ho feto-fetoha ha li-valve tse thellang ke: ka mochine oa ho fetola molumo o sebetsang oa khatello ka kamoreng ea khatello ea enjene e kholo ea compressor, ka hona ho lokisa phallo ea compressor.Ho fapana le taolo ea ON / OFF, taolo ea ho suction throttling le taolo ea ho sokoloha khafetsa, tseo kaofela e leng tsa taolo ea kantle ea compressor, mokhoa oa ho fetola matla a li-valve tse thellang o hloka ho fetola sebopeho sa compressor ka boeona.
Phallo ea phallo ea molumo oa li-slide valve ke ntho ea sebopeho e sebelisetsoang ho lokisa phallo ea molumo oa screw compressor.Mochine o amohelang mokhoa ona oa ho fetola o na le sebopeho sa valve ea rotary slide joalokaha ho bontšitsoe setšoantšong sa 1. Ho na le tsela e fetang e lumellanang le sebopeho sa spiral sa rotor leboteng la cylinder.masoba ao likhase li ka tsoang ka ona ha li sa koaheloa.Sesepa sa li-slide se sebelisitsoeng se boetse se tsejoa ka tloaelo e le "valve ea screw".'Mele oa valve o na le sebōpeho sa spiral.Ha e potoloha, e ka koahela kapa ea bula lesoba la bypass le amanang le kamore ea khatello.
Ha tšebeliso ea moea ea moreki e fokotseha, valve ea screw e ea thinya ho bula lesoba la bypass, e le hore karolo ea moea o hemang e khutlele molomong ka lesoba le ka tlase ho kamore ea khatello ntle le ho hatelloa, e leng ho lekanang le ho fokotsa moea. bolelele ba screw e amehang ka ho hatella ka katleho.Molumo o sebetsang oa ho sebetsa o fokotsehile, kahoo mosebetsi o atlehang oa ho hatella o fokotsehile haholo, ho hlokomela ho boloka matla ka karolo e itseng.Morero ona oa moralo o ka fana ka phetoho e tsoelang pele ea phallo ea molumo, 'me mefuta e fapaneng ea tokiso ea matla e ka bonoang ke 50% ho isa ho 100%.
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