1. Mfundo inayi yosinthira mphamvu ya screw compressor
Njira yosinthira mphamvu ya magawo anayi imakhala ndi valavu yosinthira mphamvu, mavavu atatu omwe nthawi zambiri amatsekedwa ndi ma pistoni a hydraulic pistons.Mitundu yosinthika ndi 25% (yogwiritsidwa ntchito poyambira kapena kuyimitsa), 50%, 75%, 100%.
Mfundo yake ndikugwiritsa ntchito piston yamafuta kukankhira valavu yowongolera voliyumu.Pamene katundu ndi tsankho, voliyumu ulamuliro Wopanda valavu amayenda kulambalala mbali ya refrigerant mpweya kubwerera kumapeto kuyamwa, kuti refrigerant mpweya otaya mlingo wachepetsedwa kukwaniritsa tsankho katundu ntchito.Ikayimitsidwa, mphamvu ya kasupe imapangitsa pisitoni kubwerera ku chikhalidwe choyambirira.
Pamene kompresa ikuyenda, kuthamanga kwa mafuta kumayamba kukankhira pisitoni, ndipo malo a pistoni yamafuta amayendetsedwa ndi valavu ya solenoid, ndipo valavu ya solenoid imayendetsedwa ndi cholowera chamadzi (chotuluka) evaporator dongosolo.Mafuta omwe amawongolera pistoni yosinthira mphamvu amatumizidwa kuchokera ku tanki yosungiramo mafuta ya casing pogwiritsa ntchito kukakamiza kosiyana.Pambuyo podutsa muzosefera zamafuta, capillary imagwiritsidwa ntchito kuti ichepetse kuthamanga ndikutumizidwa ku silinda ya hydraulic.Ngati fyuluta yamafuta yatsekedwa kapena capillary yatsekedwa, mphamvuyo idzatsekedwa.Dongosolo lokonzekera silikuyenda bwino kapena limalephera.Momwemonso, ngati valavu ya solenoid yosinthika ikulephera, zomwezo zidzachitikanso.
1. 25% imayamba kugwira ntchito
Compressor ikayamba, katunduyo ayenera kuchepetsedwa kuti akhale osavuta kuyambitsa.Chifukwa chake, SV1 ikayatsidwa, mafutawo amadutsidwa mwachindunji kuchipinda chocheperako, ndipo valavu ya volumetric slide imakhala ndi malo akulu kwambiri odutsa.Panthawi imeneyi, katunduyo ndi 25%.Kuyamba kwa Y-△ kumalizidwa, kompresa imatha kutsitsa pang'onopang'ono.Nthawi zambiri, nthawi yoyambira 25% yonyamula katundu imayikidwa pafupifupi masekondi 30.
2. 50% katundu ntchito
Pogwiritsa ntchito njira yoyambira kapena kusintha kwa kutentha, valavu ya SV3 solenoid imalimbikitsidwa ndikuyatsidwa, ndipo pistoni yosinthira mphamvu imasunthira ku doko la mafuta la SV3 valve, ndikuyendetsa malo omwe amatha. -kusintha slide valve kuti isinthe, ndipo gawo la mpweya wa refrigerant limadutsa pa screw Dera lodutsa limabwerera ku chipinda chochepetsera, ndipo compressor imagwira ntchito pa 50% katundu.
3. 75% katundu ntchito
Pamene pulogalamu yoyambitsa dongosolo ikuchitika kapena kusintha kwa kutentha kwakhazikitsidwa, chizindikirocho chimatumizidwa ku valve solenoid SV2, ndipo SV2 imapatsidwa mphamvu ndikuyatsidwa.Bwererani kumbali yotsika, gawo la mpweya wa refrigerant limabwerera ku chipinda chochepetsera kuchokera ku doko lodutsa wononga, kusuntha kwa compressor kumawonjezeka (kuchepa), ndipo compressor imagwira ntchito pa 75% katundu.
4. 100% ntchito yodzaza katundu
Compressor ikayamba, kapena kutentha kwamadzi oziziritsa kumakhala kwakukulu kuposa mtengo wokhazikitsidwa, SV1, SV2, ndi SV3 sizimayendetsedwa, ndipo mafutawo amalowa mwachindunji mu silinda yamafuta kuti akankhire pistoni yosinthira voliyumu patsogolo, ndi pistoni yosinthira voliyumu. amayendetsa voliyumu kusintha slide valavu kusuntha, kotero kuti kuzirala The wothandizila mpweya bypass doko pang'onopang'ono amachepetsa mpaka mphamvu slide valavu anakankhira pansi, pa nthawi ino kompresa kuthamanga pa 100% katundu zonse.
2. Screw kompresa stepless mphamvu dongosolo kusintha
Mfundo yofunikira ya dongosolo losasinthika la mphamvu zopanda siteji ndilofanana ndi la magawo anayi osintha mphamvu.Kusiyanitsa kuli pakugwiritsa ntchito valavu ya solenoid.Kuwongolera mphamvu kwa magawo anayi kumagwiritsa ntchito ma valve atatu omwe nthawi zambiri amatsekedwa, ndipo kuwongolera kopanda siteji kumagwiritsa ntchito valavu imodzi yotseguka ya solenoid ndi imodzi kapena ziwiri zomwe nthawi zambiri zimatsekedwa solenoid valavu kuti aziwongolera kusintha kwa solenoid., kusankha kutsitsa kapena kutsitsa kompresa.
1. Kusintha kwa mphamvu: 25% ~ 100%.
Gwiritsani ntchito valavu yotsekedwa ya solenoid SV1 (kuwongolera ndime ya mafuta) kuti muwonetsetse kuti kompresa ikuyamba pansi pa katundu wocheperapo komanso valavu yotseguka ya solenoid SV0 (control oil inlet passage), control SV1 ndi SV0 kuti ikhale ndi mphamvu kapena ayi molingana ndi zofunikira. Kuti mukwaniritse zotsatira za kuwongolera kusintha kwa mphamvu, kusintha kosasunthika kotereku kumatha kuwongoleredwa mosalekeza pakati pa 25% ndi 100% ya kuthekera kuti mukwaniritse ntchito yokhazikika.Nthawi yoyenera yogwiritsira ntchito valve solenoid control ili pafupi ndi 0.5 mpaka 1 yachiwiri mu mawonekedwe a pulse, ndipo ikhoza Kusintha molingana ndi momwe zilili.
2. Kusintha kwa mphamvu: 50% ~ 100%
Pofuna kuteteza injini ya firiji kuti isayende pansi pa katundu wochepa (25%) kwa nthawi yaitali, zomwe zingapangitse kutentha kwa galimoto kukhala kokwera kwambiri kapena valavu yowonjezera kuti ikhale yaikulu kwambiri kuti ipangitse kupanikizika kwamadzimadzi, compressor ikhoza kusinthidwa. pamlingo wocheperako popanga njira yosinthira mphamvu yopanda stepless.Kuwongolera pamwamba pa 50% katundu.
Chovala chotsekedwa chotsekedwa cha solenoid SV1 (kuwongolera mafuta odutsa) chimagwiritsidwa ntchito kuonetsetsa kuti compressor imayamba pa katundu wochepa wa 25%;Kuphatikiza apo, valavu yotseguka ya solenoid SV0 (njira yolowera mafuta) ndipo nthawi zambiri imatseka valavu ya solenoid SV3 (kuwongolera kukhetsa kwamafuta) kuti achepetse kugwira ntchito kwa kompresa pakati pa 50% ndi 100%, ndikuwongolera SV0 ndi SV3 kuti alandire mphamvu kapena osati kukwaniritsa mosalekeza ndi stepless kulamulira zotsatira za kusintha mphamvu.
Nthawi yowonetsera nthawi yoyendetsera valavu ya solenoid: pafupifupi 0.5 mpaka 1 sekondi ngati mawonekedwe a pulse, ndikusintha molingana ndi momwe zilili.
3. Njira zinayi zosinthira zoyenda za screw compressor
Njira zosiyanasiyana zowongolera za screw air compressor
Pali zinthu zambiri zofunika kuziganizira posankha mtundu wa screw air compressor.Kugwiritsidwa ntchito kwambiri kwa mpweya kuyenera kuganiziridwa ndipo malire ena ayenera kuganiziridwa.Komabe, pakugwira ntchito kwatsiku ndi tsiku, compressor ya mpweya sinthawi zonse yomwe ili pansi pa kutulutsa kovomerezeka.
Malinga ndi ziwerengero, kuchuluka kwa ma compressor a mpweya ku China ndi pafupifupi 79% yokha ya kuchuluka kwa voliyumu.Zitha kuwoneka kuti zisonyezo zakugwiritsa ntchito mphamvu zoyezetsa katundu ndi zinthu zina zolemetsa ziyenera kuganiziridwa posankha ma compressor.
Ma screw air compressor onse ali ndi ntchito yosinthira kusamutsidwa, koma njira zoyendetsera ndizosiyana.Njira zodziwika bwino zimaphatikizira ON / OFF kutsitsa / kutsitsa kusintha, kuyamwa kwamphamvu, kutembenuka kwa ma frequency a mota, slide valve variable mphamvu, etc. Njira zosinthira izi zitha kuphatikizidwanso bwino kuti zitheke kupanga.
Pankhani ya mphamvu yamphamvu ya makina a kompresa, njira yokhayo yopezera mphamvu zowonjezera ndikukulitsa njira yowongolera kuchokera ku kompresa yonse, kuti mukwaniritse zotsatira zopulumutsa mphamvu pazogwiritsa ntchito ma compressor a mpweya. .
Screw air compressors ali ndi ntchito zosiyanasiyana, ndipo ndizovuta kupeza njira yowongolera yokhazikika yomwe ili yoyenera nthawi zonse.Iyenera kufufuzidwa mozama malinga ndi momwe ntchito ikugwiritsidwira ntchito kuti tisankhe njira yoyenera yolamulira.Zotsatirazi zikuwonetsa mwachidule njira zinayi zowongolera zomwe zimaphatikizanso mbali zina zazikulu ndikugwiritsa ntchito.
1. ON / OFF kukweza / kutsitsa kuwongolera
ON/OFF kutsitsa/kutsitsa kuwongolera ndi njira yachikhalidwe komanso yosavuta yowongolera.Ntchito yake ndikungosintha kusintha kwa valavu yamagetsi yolowera molingana ndi kukula kwa gasi wamakasitomala, kotero kuti compressor imakwezedwa kapena kutsitsa kuti muchepetse mpweya.Kusinthasintha kwa kuthamanga.Mu ulamulirowu pali ma valve a solenoid, ma valve olowera, ma valve olowera ndi mizere yowongolera.
Pamene kugwiritsira ntchito gasi kwa kasitomala kuli kofanana kapena kukulirapo kuposa kuchuluka kwa kutulutsa kwa unit, valavu yoyambira / kutsitsa ya solenoid ili m'malo opatsa mphamvu ndipo payipi yowongolera simayendetsedwa.Kuthamanga pansi pa katundu.
Pamene mpweya wamakasitomala umakhala wocheperako poyerekeza ndi momwe amasinthira, kukakamiza kwa payipi ya kompresa kumakwera pang'onopang'ono.Kuthamanga kwa kutulutsa kukafika ndikupitilira kutsitsa kwa unit, compressor imasinthira ku ntchito yotsitsa.Choyambira / chotsitsa valavu ya solenoid ili mu mphamvu yamagetsi kuti iwononge kayendetsedwe ka payipi, ndipo njira imodzi ndiyo kutseka valve yolowera;Njira ina ndikutsegula valavu yotulutsa mpweya kuti mutulutse kupanikizika mu thanki yolekanitsa mafuta ndi gasi mpaka mphamvu yamkati ya tanki yolekanitsa mafuta ikhazikika (nthawi zambiri 0.2 ~ 0.4MPa), panthawiyi gawoli lizigwira ntchito pansi. kupsyinjika kwa msana ndi kusunga malo osanyamula katundu.
Pamene kugwiritsira ntchito gasi kwamakasitomala kumawonjezeka ndipo kupanikizika kwa mapaipi kumatsikira pamtengo womwe watchulidwa, unityo idzapitirizabe kutsegula ndi kuthamanga.Panthawiyi, valavu yoyambira / yotsitsa ya solenoid imakhala ndi mphamvu, payipi yoyendetsera sichiyendetsedwa, ndipo valavu yolowera ya mutu wa makina imasunga kutsegula kwakukulu pansi pa ntchito ya vacuum.Mwanjira iyi, makinawo amanyamula mobwerezabwereza ndikutsitsa malinga ndi kusintha kwa gasi kumapeto kwa wogwiritsa ntchito.Chofunikira chachikulu cha njira yowongolera / kutsitsa ndikuyika valavu ya injini yayikulu ili ndi zigawo ziwiri zokha: kutseguka kwathunthu ndi kutsekedwa kwathunthu, ndipo mawonekedwe ogwiritsira ntchito makinawo ali ndi zigawo zitatu zokha: kutsitsa, kutsitsa, ndi kutseka basi.
Kwa makasitomala, mpweya woponderezedwa kwambiri umaloledwa koma osakwanira.Mwa kuyankhula kwina, kusamutsidwa kwa mpweya wa compressor kumaloledwa kukhala kwakukulu, koma osati kochepa.Choncho, mphamvu yotulutsa mpweya ikakhala yaikulu kuposa mpweya, mpweya wa compressor unit udzatsitsidwa kuti ukhalebe pakati pa mphamvu ya mpweya ndi mpweya.
2. Suction throttling control
Njira yowongolerera yoyamwa imasintha kuchuluka kwa mpweya wa kompresa malinga ndi kagwiritsidwe ntchito ka mpweya komwe kasitomala amafunikira, kuti akwaniritse bwino pakati pa kupatsa ndi kufuna.Zigawo zazikuluzikulu zimaphatikizapo ma valve a solenoid, owongolera kupanikizika, ma valve olowa, ndi zina zotero. Pamene mpweya umakhala wofanana ndi kuchuluka kwa mpweya wokwanira wa unit, valve yolowetsa imatsegulidwa mokwanira, ndipo unit idzathamanga pansi pa katundu wambiri;Kukula kwa voliyumu.Ntchito ya suction throttling control mode imayambitsidwa motsatana pazinthu zinayi zogwirira ntchito pakugwira ntchito kwa unit compressor yokhala ndi mphamvu yogwira ntchito ya 8 mpaka 8.6 bar.
(1) Chikhalidwe choyambira 0 ~ 3.5bar
Gawo la compressor litayamba, valavu yolowetsa imatsekedwa, ndipo kupanikizika mu tank olekanitsa mafuta-gasi kumakhazikitsidwa mofulumira;nthawi yoikika ikafika, imangosintha kupita kumalo odzaza, ndipo valavu yolowera imatsegulidwa pang'ono ndi vacuum suction.
(2) Mkhalidwe wamba wogwirira ntchito 3.5 ~ 8bar
Kuthamanga kwadongosolo kukadutsa 3.5bar, tsegulani valavu yocheperako kuti mpweya woponderezedwa ulowe mu chitoliro cha mpweya, bolodi la kompyuta limayang'anira kuthamanga kwa mapaipi munthawi yeniyeni, ndipo valavu yolowera mpweya imatsegulidwa kwathunthu.
(3) Kusintha kwa voliyumu ya mpweya kugwira ntchito 8 ~ 8.6bar
Kuthamanga kwa mapaipi kupitilira 8bar, wongolerani njira ya mpweya kuti musinthe kutsegulira kwa valve yolowera kuti muchepetse kuchuluka kwa mpweya ndi mpweya.Panthawi imeneyi, kusintha kwa voliyumu yotulutsa mpweya ndi 50% mpaka 100%.
(4) Kutsitsa - kupanikizika kumaposa 8.6bar
Kugwiritsidwa ntchito kwa gasi kumachepetsedwa kapena kusafunikira mpweya, ndipo kuthamanga kwa mapaipi kupitilira mtengo wa 8.6bar, gawo lowongolera mpweya limatseka valavu yolowera ndikutsegula valavu yotulutsa mpweya kuti mutulutse kupanikizika mu thanki yolekanitsa mafuta ndi gasi. ;chipangizocho chimagwira ntchito yotsika kwambiri mmbuyo, mphamvu yogwiritsira ntchito mphamvu imachepetsedwa.
Kuthamanga kwa mapaipi kutsika mpaka kupanikizika kocheperako, dera lowongolera mpweya limatseka valavu yotsegulira, kutsegulira valavu yolowera, ndipo gawolo limasinthira kumayendedwe ake.
Suction throttling control imasintha kuchuluka kwa mpweya wotengera poyang'anira kutsegula kwa valve yolowera, potero kuchepetsa kugwiritsa ntchito mphamvu kwa kompresa ndikuchepetsa kuchuluka kwa kutsitsa / kutsitsa pafupipafupi, kotero kumakhala ndi mphamvu yopulumutsa mphamvu.
3. pafupipafupi kutembenuka liwiro malamulo ulamuliro
Compressor variable frequency kuwongolera liwiro ndikusintha kusamukako posintha liwiro lagalimoto yoyendetsa, kenako ndikusintha liwiro la kompresa.Ntchito ya makina osinthira kuchuluka kwa mpweya wa makina osinthira pafupipafupi ndikusintha liwiro la mota kudzera pakusintha pafupipafupi kuti lifanane ndi kusintha kwa mpweya malinga ndi kukula kwa mpweya wamakasitomala, kuti mukwaniritse bwino pakati pakupereka ndi kufunikira. .
Malinga ndi mitundu yosiyanasiyana ya ma frequency converter unit, ikani kuchuluka kwa ma frequency converter ndi liwiro lalikulu la mota pomwe gawo la organic likuyenda.Pamene kugwiritsira ntchito mpweya kwa kasitomala kuli kofanana ndi kusamutsidwa kwamtundu wa unit, gawo lotembenuzidwa pafupipafupi lidzasintha mafupipafupi a injini yosinthira pafupipafupi kuti iwonjezere kuthamanga kwa injini yaikulu, ndipo unit idzayenda pansi pa katundu wambiri;Mafupipafupi amachepetsa liwiro la injini yayikulu ndikuchepetsa mpweya wolowa molingana;pamene kasitomala amasiya kugwiritsa ntchito gasi, mafupipafupi a ma frequency frequency motor amachepetsedwa mpaka pang'ono, ndipo nthawi yomweyo valavu yolowera imatsekedwa ndipo palibe kulowetsedwa komwe kumaloledwa, gawoli liri lopanda kanthu ndipo limagwira ntchito pansi pa kupsinjika kwa msana. .
Mphamvu yovotera yamagalimoto oyendetsa omwe ali ndi ma frequency frequency unit amakhazikika, koma mphamvu yeniyeni ya shaft yamotoyo imakhudzana mwachindunji ndi katundu ndi liwiro lake.Makina a kompresa amatengera kuwongolera pafupipafupi kutembenuka kwa liwiro, ndipo liwiro limachepetsedwa panthawi yomwe katunduyo wachepetsedwa, zomwe zimatha kusintha kwambiri magwiridwe antchito panthawi yolemetsa.
Poyerekeza ndi ma compressor pafupipafupi m'mafakitale, ma inverter compressor amafunika kuyendetsedwa ndi ma inverter motors, okhala ndi ma inverter ndi makabati owongolera magetsi, chifukwa chake mtengo wake udzakhala wokwera kwambiri.Chifukwa chake, mtengo woyambira wogwiritsa ntchito ma frequency frequency compressor ndiwokwera kwambiri, chosinthira pafupipafupi chimakhala ndi mphamvu yogwiritsira ntchito mphamvu komanso kutulutsa kutentha komanso kuletsa mpweya wosinthira pafupipafupi, etc., compressor yokhayo yokhala ndi mpweya wambiri imasiyanasiyana. mochuluka, ndipo chosinthira pafupipafupi nthawi zambiri chimasankhidwa pansi pa katundu wochepa.zofunika.
Ubwino waukulu wa ma inverter compressor ndi awa:
(1) Zoonekeratu zopulumutsa mphamvu;
(2) Mphamvu yoyambira ndi yaying'ono, ndipo zotsatira zake pa gridi ndizochepa;
(3) Kuthamanga kwa mpweya wokhazikika;
(4) Phokoso la unit ndi lochepa, maulendo oyendetsa galimoto ndi otsika, ndipo palibe phokoso lochokera kumtunda ndi kutsitsa pafupipafupi.
4. Kusintha kwa mphamvu ya valve ya Slide
Mfundo yogwiritsira ntchito njira yosinthira mphamvu yosinthira ma valve otsetsereka ndi: kudzera m'makina osinthira mphamvu yopondera mu chipinda chopondera cha injini yayikulu ya compressor, potero kusintha kusamuka kwa kompresa.Mosiyana ndi kuwongolera kwa ON / OFF, kuwongolera kuwongolera komanso kusinthasintha kwafupipafupi, zomwe zonse zimakhala zakunja kwa kompresa, njira yosinthira ma valve osunthika iyenera kusintha mawonekedwe a compressor palokha.
Voliyumu yosinthira slide valve ndi chinthu chomangika chomwe chimagwiritsidwa ntchito kusintha kuchuluka kwa voliyumu ya screw compressor.Makina otengera njira yosinthira iyi ali ndi mawonekedwe a valavu ozungulira monga momwe akuwonera Chithunzi 1. Pali njira yodutsa yofanana ndi mawonekedwe ozungulira a rotor pakhoma la silinda.mabowo omwe mpweya umatha kutulukamo osaphimbidwa.Valve yojambulidwa yomwe imagwiritsidwa ntchito imadziwikanso kuti "screw valve".Thupi la valve liri mu mawonekedwe a spiral.Ikazungulira, imatha kuphimba kapena kutsegula dzenje lodutsa lomwe limalumikizidwa ndi chipinda chopondera.
Kutentha kwa mpweya kwa kasitomala kukachepa, valavu yopukutira imatembenuka kuti itsegule dzenje lodutsa, kotero kuti gawo la mpweya wokoka mpweya limabwerera kukamwa kudzera pabowo lomwe lili pansi pa chipinda choponderezedwa popanda kukanikizidwa, zomwe zimafanana ndi kuchepetsa kutalika kwa wononga nawo ogwira psinjika.The ogwira ntchito voliyumu yafupika, kotero ogwira psinjika ntchito kwambiri yafupika, kuzindikira mphamvu yopulumutsa pa tsankho katundu.Chiwembu chokonzekerachi chikhoza kupereka kusintha kwa kayendedwe ka voliyumu mosalekeza, ndipo kusintha kwa mphamvu zomwe zingathe kuzindikirika ndi 50% mpaka 100%.
Chodzikanira: Nkhaniyi idapangidwanso kuchokera pa intaneti.Zomwe zili m'nkhaniyi ndi zophunzirira komanso kulumikizana kokha.Air Compressor Network salowerera ndale pamalingaliro omwe ali m'nkhaniyi.Ufulu wa nkhaniyo ndi wa wolemba woyambirira komanso nsanja.Ngati pali kuphwanya kulikonse, chonde lemberani kuti mufufute.