1. Four-stage capacity adjustment principle of screw compressor
Iyo yechina-nhanho yekugadziridza simba rekugadzirisa ine simba rekugadzirisa slide valve, matatu anowanzo kuvharwa solenoid mavharuvhu uye seti yekugona kugadzirisa hydraulic pistons.Iyo inogadziriswa siyana ndeye 25% (inoshandiswa paunotanga kana kumira), 50%, 75%, 100%.
Nheyo ndeye kushandisa mafuta ekumanikidza piston kusundira vhoriyamu yekudzora siraidhi vharafu.Kana mutoro wacho wasara, vhoriyamu inodzora slide vharafu inofamba ichipfuura chikamu chefiriji gasi ichidzokera kumagumo ekusveta, kuitira kuti refrigerant gasi rekuyerera rideredzwe kuti riwane chikamu chemutoro basa.Kana yamira, simba rechitubu rinoita kuti piston idzokere kumamiriro ekutanga.
Kana iyo compressor ichimhanya, kudzvanywa kwemafuta kunotanga kusundira piston, uye kumira kwepiston yemafuta kunodzorwa nekuita kwesolenoid valve, uye solenoid valve inodzorwa neinopinza yemvura (outlet) tembiricha switch ye system evaporator.Oiri inodzora piston yekugadzirisa inotumirwa kubva mutangi rekuchengetedza mafuta yekasi kuburikidza nekusiyana kwekumanikidza.Mushure mekupfuura nemusefa yemafuta, capillary inoshandiswa kudzikamisa kuyerera uye yozotumirwa kune hydraulic cylinder.Kana iyo sefa yemafuta yakavharwa kana kuti capillary yakavharwa, huwandu huchavharwa.Iyo yekugadzirisa system haishande zvakanaka kana kutadza.Saizvozvowo, kana kugadzirisa solenoid valve kukundikana, mamiriro akafanana achaitikawo.
1. 25% inotanga kushanda
Kana iyo compressor yatangwa, mutoro unofanirwa kuderedzwa kusvika padiki kuti uve nyore kutanga.Naizvozvo, kana SV1 ikamiswa, oiri inodzoserwa zvakananga kukamuri yekutsikirira, uye volumetric slide valve ine nzvimbo yakakura yekupfuura.Panguva ino, mutoro unongova 25%.Mushure mekunge Y-△ kutanga kwapera, compressor inogona kutanga kurodha zvishoma nezvishoma.Kazhinji, nguva yekutanga ye25% mutoro wekushanda inogadzirirwa kusvika kumasekonzi makumi matatu.
2. 50% mutoro wekushanda
Nekuitwa kwekutanga-up maitiro kana kuseta tembiricha chinja chiito, SV3 solenoid vharafu inosimbiswa uye yakabatidzwa, uye iyo inogadzirisa piston inoenda kune oiri redunhu bypass port yeSV3 valve, ichityaira chinzvimbo chesimba. -kugadzirisa slide valve kuti ichinje, uye chikamu chegasi refrigerant chinopfuura nepaburiki Chirevo chepamusoro chinodzokera kukamuri yepasi-pasi, uye compressor inoshanda pa50% mutoro.
3. 75% mutoro wekushanda
Kana iyo system yekutanga-up chirongwa ichiitwa kana kuseta tembiricha switch ikamiswa, chiratidzo chinotumirwa kune solenoid valve SV2, uye SV2 inopihwa simba uye yakabatidzwa.Dzokera kune yakaderera-kudzvanywa divi, chikamu refrigerant gasi rinodzokera kuzasi-kudzvanywa kamuri kubva screw bypass port, iyo compressor displacement inowedzera (inoderera), uye compressor inoshanda pa75% mutoro.
4. 100% yakazara mutoro kushanda
Mushure mekunge compressor yatanga, kana tembiricha yemvura inotonhora yakakwira kupfuura kukosha kweseti, SV1, SV2, uye SV3 haina simba, uye oiri inopinda zvakananga muhumburu yekumanikidza cylinder kusundira vhoriyamu yekugadziridza piston kumberi, uye vhoriyamu yekugadziridza piston. inotyaira vhoriyamu inogadzirisa slide vharafu kuti ifambe, kuitira kuti kutonhora Iyo mumiririri gasi bypass chiteshi zvishoma nezvishoma inoderera kusvikira simba rekugadzirisa slide vharafu ranyatsosundirwa pasi, panguva ino compressor inomhanya pa100% yakazara mutoro.
2. Screw compressor stepless kugona kugadzirisa system
Nheyo yekutanga ye-no-stage capacity adjustment system yakangofanana neyechina-nhanho yekugadziridza masimba.Musiyano uri mukutonga kushandiswa kwevharuvhu ye solenoid.Iyo mana-nhanho yekugona kutonga inoshandisa matatu anowanzo kuvharwa solenoid mavharuvhu, uye isiri-nhanho simba rekudzora rinoshandisa imwechete yakavhurika solenoid vharafu uye imwe kana maviri anowanzo kuvharwa solenoid mavharuvhu kudzora switching ye solenoid valve., kusarudza kana kurodha kana kuburitsa compressor.
1. Kukwanisa kugadzirisa huwandu: 25% ~ 100%.
Shandisa inowanzovharwa solenoid valve SV1 (control oil drain passage) kuti uone kuti compressor inotanga pasi pemutoro udiki uye inowanzovhurika solenoid valve SV0 (control oil inlet passage), control SV1 uye SV0 kuti iwane simba kana kuti kwete maererano nezvinodiwa. Kuti uwane mhedzisiro yekudzora gadziriso yesimba, iyo isina nhanho gadziriso yekugadziriswa inogona kuramba ichidzorwa pakati pe25% ne100% yekugona kuita basa rekubuda kwakagadzikana.Iyo yakakurudzirwa chiito nguva ye solenoid valve control inenge 0.5 kusvika 1 yechipiri mu pulse form, uye inogona Kugadzirisa maererano nemamiriro chaiwo.
2. Kukwanisa kugadzirisa huwandu: 50% ~ 100%
Kuti udzivise firiji compressor mota kuti isashande pasi pemutoro wakaderera (25%) kwenguva yakareba, izvo zvinogona kuita kuti tembiricha yemota iwedzere kana kuti vharafu yekuwedzera ive yakakura kukonzeresa kudzvinyirira kwemvura, iyo compressor inogona kugadziridzwa. kune hushoma huwandu kana uchigadzira iyo stepless simba rekugadzirisa system.Kudzora pamusoro pe50% mutoro.
Iyo inowanzovharwa solenoid valve SV1 (control oil bypass) inoshandiswa kuve nechokwadi kuti compressor inotanga pamutoro muduku we25%;uyezve, iyo inowanzovhurika solenoid valve SV0 (control oil inlet passage) uye inowanzovharwa solenoid valve SV3 (control oil drain access) kuderedza kushanda kwecompressor pakati pe50% ne100%, uye kutonga SV0 neSV3 kugamuchira simba kana kwete kuwana inoenderera uye isina nhanho yekudzora maitiro ekugadzirisa kugona.
Yakakurudzirwa actuation nguva ye solenoid valve control: inenge 0.5 kusvika 1 yechipiri muchimiro chekuputsika, uye gadzirisa maererano nemamiriro chaiwo.
3. Nzira ina dzekugadzirisa kuyerera kwe screw compressor
Yakasiyana-siyana yekudzora nzira dze screw air compressor
Pane zvinhu zvakawanda zvekufunga nezvazvo pakusarudza rudzi rwe screw air compressor.Iyo yakanyanya kushandiswa kwemhepo inofanirwa kuverengerwa uye imwe margin inofanira kuverengerwa.Nekudaro, panguva yekushanda kwezuva nezuva, iyo mhepo compressor haisi nguva dzose iri pasi peiyo yakatarwa yekubuda mamiriro.
Zvinoenderana nenhamba, avhareji mutoro wemhepo compressors muChina ingori 79% yeiyo yakayerwa vhoriyamu yekuyerera mwero.Zvinogona kuoneka kuti mashandisirwo emagetsi zviratidzo zveyakayerwa mitoro mamiriro uye chikamu chemutoro mamiriro anofanirwa kutariswa pakusarudza compressors.
Yese screw air compressors ine basa rekugadzirisa kusimuka, asi matanho ekuita akasiyana.Nzira dzakajairika dzinosanganisira ON / OFF loading / unloading adjustment, suction throttling, motor frequency conversion, slide valve variable capacity, etc. Aya maitiro ekugadzirisa anogonawo kusanganiswa kuti agadzirise magadzirirwo.
Panyaya yeimwe simba resimba recompressor host, iyo chete nzira yekuwana imwezve simba rekuchengetedza ndeyekukwidziridza nzira yekudzora kubva kune compressor yakazara, kuitira kuti inyatso kuwana yakazara yakazara ekuchengetedza simba mundima yekushandisa yemhepo compressor. .
Screw air compressors ine huwandu hwakasiyana hwemashandisirwo, uye zvakaoma kuwana yakanyatsoshanda yekudzora nzira inokodzera nguva dzese.Inoda kuongororwa zvizere zvinoenderana nemamiriro chaiwo ekushandisa kuitira kuti usarudze nzira yekudzora yakakodzera.Inotevera inosuma muchidimbu nzira ina dzakajairika dzekudzora dzinosanganisira mamwe Main maficha uye mashandisiro.
1. ON / OFF kurodha / kuburitsa kutonga
ON/OFF kurodha/kuburitsa kudzora inzira yechinyakare uye yakapusa yekudzora nzira.Basa rayo nderekugadzirisa otomatiki switch ye compressor inlet valve zvinoenderana nehukuru hwemutengi gasi rinoshandiswa, kuitira kuti compressor itakurwe kana kuburutswa kuderedza gasi.Kuchinja-chinja mukumanikidza.Mukutonga uku kune mavharuvhu e-solenoid, mavharuvhu ekutora, mavharuvhu emhepo uye mitsara yekudzora.
Kana gasi rinoshandiswa nemutengi rakaenzana kana rakakura kudarika rakatemerwa kupera kwevhoriyamu yeyuniti, yekutanga / kuburitsa solenoid valve iri mumamiriro ekupa simba uye pombi yekudzora haina kuitwa.Kumhanya pasi pemutoro.
Kana mashandisirwo emhepo emutengi ari mashoma pane yakatemerwa kutamiswa, kudzvanywa kwepombi yecompressor kunokwira zvishoma nezvishoma.Kana iyo yekuburitsa kumanikidza inosvika uye ichipfuura iyo yekuburutsa kudzvanywa kweyuniti, iyo compressor inochinja kuita basa rekuburitsa.Iyo yekutanga / yekuburitsa solenoid valve iri musimba-off state kudzora conduction yepombi, uye imwe nzira ndeyekuvhara vheji yekupinda;imwe nzira ndeyekuvhura iyo vent valve kuti isunungure kumanikidza muoiri-gasi rekuparadzanisa tangi kusvika mukati meiyo mafuta-gasi separator tank yakagadzikana (kazhinji 0.2 ~ 0.4MPa), panguva ino iyo unit ichashanda pasi pepasi. kudzvinyirirwa kumashure uye chengetedza hapana-mutoro mamiriro.
Kana kushandiswa kwegasi kwemutengi kuchiwedzera uye kudzvanywa kwepombi kunodonha kune iyo yakatarwa kukosha, iyo unit icharamba ichirodha uye ichimhanya.Panguva ino, yekutanga / kuburitsa solenoid vharafu inosimbiswa, pombi yekudzora haiitwe, uye vharafu yekupinza yemusoro wemuchina inochengetedza kuvhura kwepamusoro pasi pechiito chekusveta vacuum.Nenzira iyi, muchina wacho unoramba uchitakura uye kurodha zvinoenderana nekuchinja kwekushandisa gasi pamagumo emushandisi.Chinhu chikuru chekutakura / kurodha nzira yekudzora ndeyekuti vheji yekupinda yejini huru ine mbiri chete: yakazaruka uye yakavharwa zvizere, uye mamiriro ekushanda emuchina ane matatu chete anoti: kurodha, kuburitsa, uye otomatiki kudzima.
Kune vatengi, mweya wakamanikidzwa wakawanda unobvumidzwa asi hauna kukwana.Mune mamwe mazwi, kutama kwemhepo compressor kunobvumirwa kuve kwakakura, asi kwete kudiki.Nokudaro, kana vhoriyamu yekubuda kweiyo unit yakakura kudarika kushandiswa kwemhepo, iyo air compressor unit inotakurwa otomatiki kuti ichengetedze chiyero pakati pehuwandu hwekubuda uye kushandiswa kwemhepo.
2. Suction throttling control
Iyo suction throttling control method inogadzirisa huwandu hwemhepo ye compressor zvinoenderana nemhepo inoshandiswa nemutengi, kuitira kuti uwane chiyero pakati pekupa uye kudiwa.Izvo zvikamu zvikuru zvinosanganisira mavharuvhu e-solenoid, mavhavha ekudzivirira, mavhavha ekudya, nezvimwewo. Kana kushandiswa kwemhepo kwakaenzana nechiyero chekubuda kwechikwata chechikwata, chivharo chekutora chinozarurwa zvakakwana, uye chikwata chichamhanya pasi pemutoro wakakwana;Saizi yevhoriyamu.Basa reiyo suction throttling control mode rinounzwa zvakateerana kune mana ekushanda mamiriro mukuita kwekushanda kwecompressor unit ine kushanda kwe8 kusvika 8.6 bar.
(1) Mamiriro ekutanga 0～3.5bar
Mushure mokunge iyo compressor unit yatangwa, valve yekutora yakavharwa, uye kumanikidzika mumafuta-gasi separator tank inokurumidza kusimbiswa;kana nguva yakatarwa yasvika, inongozoshandura kune yakazara-mutoro mamiriro, uye valve yekutora inovhurwa zvishoma nekutsvaira kwevacuum.
(2) Yakajairika kushanda mamiriro 3.5 ~ 8bar
Kana dzvinyiriro muhurongwa inopfuura 3.5bar, vhura iyo shoma yekumanikidza vharafu kuti mweya wakatsikirirwa upinde mupombi yekugovera mhepo, bhodhi rekombuta rinotarisa kudzvanywa kwepombi munguva chaiyo, uye vharafu yekupinda mhepo inovhurwa zvizere.
(3) Air vhoriyamu kugadzirisa kushanda mamiriro 8～8.6bar
Kana pombi yekumanikidza ichipfuura 8bar, dzora nzira yemhepo kugadzirisa kuvhurwa kwevharuvhu yekupinza kuti uenzanise vhoriyamu yekuburitsa nemhepo yekushandisa.Munguva iyi, iyo yekupedza vhoriyamu yekugadziridza huwandu ndeye 50% kusvika 100%.
(4) Kuburitsa mamiriro - kudzvanywa kunodarika 8.6bar
Kana kushandiswa kwegasi kunodiwa kwakadzikira kana pasina gasi rinodiwa, uye kumanikidza kwepombi kunopfuura kukosha kwe8.6bar, dhiraivha yegesi yekudzora inovhara vharafu yekupinda uye kuvhura vheji yekuburitsa kuburitsa kudzvanywa mutangi remafuta-gasi rekuparadzanisa. ;iyo unit inoshanda pane yakanyanya kuderera kumashure pressure inodzika pasi, kushandiswa kwesimba kunoderedzwa.
Kana pombi yekumanikidza inodonhera kune yakaseti yakaderera kudzvanywa, yekudzora mhepo yedunhu inovhara vharafu yemhepo, inovhura vharuvhu yekupinda, uye unit inochinja kune yekurodha mamiriro.
Suction throttling control inogadzirisa huwandu hwemhepo yekutora nekudzora kuvhurwa kwevhavha yekudya, nekudaro ichidzikisa kushandiswa kwesimba kwecompressor uye kuderedza kuwanda kwekugara kurodha / kurodha, saka ine imwe simba-yekuchengetedza simba.
3. Frequency kutendeuka kukurumidza kudzora kudzora
Compressor inosiyana frequency yekumhanyisa gadziriso yekudzora ndeye kugadzirisa kutama nekuchinja kumhanya kwemota mota, uyezve kugadzirisa kumhanya kwecompressor.Basa reiyo mhepo vhoriyamu gadziriso system yeiyo frequency inoshandura compressor ndeye kushandura kumhanya kwemota kuburikidza ne frequency kutendeuka kuti ienderane nekuchinja kudiwa kwemhepo zvinoenderana nehukuru hwemashandisirwo emhepo yemutengi, kuitira kuti uwane chiyero pakati pekupa uye kudiwa. .
Zvinoenderana nemhando dzakasiyana dzeyega yega frequency conversion unit, isa iyo yakanyanya kubuda frequency ye frequency converter uye yakanyanya kumhanya yemota kana iyo organic unit iri kunyatso mhanya.Apo kushandiswa kwemhepo kwemutengi kwakaenzana nekutamisa kwakarongwa kwechikwata, iyo frequency conversion unit ichagadzirisa kuwanda kweiyo frequency conversion mota kuti iwedzere kumhanya kweinjini huru, uye iyo unit ichamhanya pasi pemutoro wakazara;Iyo frequency inoderedza kumhanya kweinjini huru uye inoderedza mhepo yekupinda zvinoenderana;apo mutengi akamira kushandisa gasi, kuwanda kweiyo inoshanduka frequency mota inoderedzwa kusvika padiki, uye panguva imwechete iyo valve yekupinda yakavharwa uye hapana kubatwa kunobvumidzwa, iyo unit iri mune isina chinhu uye inoshanda pasi peiyo yakaderera kumashure kumanikidzwa. .
Iyo yakayerwa simba rekutyaira mota yakashongedzerwa necompressor variable frequency unit yakagadziriswa, asi iyo chaiyo shaft simba remota inoenderana nekuremerwa kwayo uye kumhanya.Iyo compressor unit inotora frequency kutendeuka kukurumidza kudzora, uye kumhanya kunoderedzwa panguva imwe chete kana mutoro wakadzikiswa, izvo zvinogona kuvandudza zvakanyanya kushanda kwekushanda panguva yekushanda-yekuremerwa.
Kuenzaniswa nemaindasitiri frequency compressors, inverter compressors inoda kufambiswa ne inverter motors, ine inverters uye anowirirana emagetsi ekudzora makabati, saka mutengo uchave wakakwira.Naizvozvo, mutengo wekutanga wekudyara wekushandisa inoshanduka frequency compressor yakakwira, iyo frequency inoshandura pachayo ine simba rekushandisa uye kupisa kwekupisa uye kuvharirwa kwemhepo kweiyo frequency converter, nezvimwewo, iyo chete mhepo compressor ine huwandu hwakasiyana hwekushandiswa kwemhepo inosiyana. zvakanyanya, uye frequency converter inowanzosarudzwa pasi pemutoro wakaderera.zvakakodzera.
Mabhenefiti makuru e inverter compressors ndeaya anotevera:
(1) Zviripachena simba rekuchengetedza simba;
(2) Ikozvino yekutanga idiki, uye kukanganisa pagridi kudiki;
(3) Kutsiga kwekupera simba;
(4) Ruzha rweyuniti yakadzikira, iyo frequency yekushandisa yemota yakadzikira, uye hapana ruzha runobva kunogara kurodha nekuburitsa.
4. Slide valve variable capacity kugadzirisa
Nheyo yekushanda kweiyo inotsvedza vheji inoshanduka gadziriso yekudzora modhi ndeye: kuburikidza nemuchina wekushandura unoshanda wekumanikidza vhoriyamu mukamuri yekumanikidza yeinjini huru ye compressor, nekudaro kugadzirisa kusimuka kwe compressor.Kusiyana neON / OFF kudzora, kuyamwa throttling control uye frequency conversion control, ayo ese ari ekunze kwekutonga kwe compressor, inotsvedza vheji inoshanduka gadziriso nzira inoda kushandura chimiro checompressor pachayo.
Iyo vhoriyamu inoyerera inogadzirisa slide vharafu chinhu chechimiro chinoshandiswa kugadzirisa vhoriyamu kuyerera kwe screw compressor.Muchina unotora nzira iyi yekugadzirisa une rotary slide valve structure sezvinoratidzwa mumufananidzo 1. Pane nzira yekudarika inoenderana ne spiral shape ye rotor pa cylinder wall.maburi ayo magasi anogona kubuda nawo kana asina kufukidzwa.Slide valve inoshandiswa inozivikanwawo se "screw valve".Muviri wevharuvhu uri muchimiro che spiral.Kana ichitenderera, inogona kuvhara kana kuvhura gomba rekupfuura rakabatana nekamuri yekumanikidza.
Kana madyiro emhepo emutengi adzikira, screw valve inotendeuka kuti ivhure gomba rekupfuura, kuitira kuti chikamu chemhepo inofefetwa ichiyerera ichidzokera kumuromo kuburikidza neburi repazasi pekamuri yekumanikidza pasina kudzvanywa, izvo zvakaenzana nekudzikisa. kureba kwesiruu inobatanidzwa mukutsikirira kunoshanda.Iyo inoshanda inoshanda vhoriyamu yakaderedzwa, saka iyo inoshanda yekumanikidza basa inoderedzwa zvakanyanya, ichiziva kuchengetedza kwesimba pane chikamu chikamu.Iyi dhizaini dhizaini inogona kupa inoenderera vhoriyamu kuyerera kurongeka, uye huwandu hwekugadzirisa huwandu hunogona kuitika huzhinji 50% kusvika 100%.
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