Mfundo zachopukutira mpweya chokulungirakusankha
Monga malo ofunikira opangira mphamvu zamagetsi m'mafakitale, ma compressor a mpweya opangidwa ndi screw ayenera kusankhidwa kutengera mfundo za chitetezo, kudalirika, kusawononga ndalama zambiri, kugwiritsa ntchito bwino, komanso ndalama zochepa zoyikira ndi kukonza kuti zitsimikizire kuti zitha kugwira ntchito bwino, mokhazikika, komanso moyenera.
Choyamba, malinga ndi kuthamanga kwa mpweya ndi kayendedwe ka mpweya komwe wogwiritsa ntchito amafunikira, sankhani screw air compressor yokhala ndi kapangidwe koyenera. Kugwira ntchito bwino kwa makina (kugwedezeka kochepa ndi phokoso lochepa) pamene screw air compressor ikugwira ntchito, kusinthasintha bwino pansi pa mikhalidwe yogwira ntchito yosinthasintha, komanso kugwira ntchito kokhazikika kwa nthawi yayitali ndiye maziko osankha screw air compressor; chachiwiri, kugwira ntchito bwino kwa dongosolo la screw air compressor kuyenera kukhala chizindikiro chofunikira pakusankha screw air compressor, chomwe chimaphatikizapo zizindikiro zonse monga kugwiritsa ntchito magetsi a unit (kwh/km3) kapena kugwiritsa ntchito nthunzi ya unit (t/km3) ya screw air compressor, mtundu ndi kugwiritsa ntchito madzi kwa madzi ozizira omwe amafunikira ndi screw air compressor (t/km3), ndi phindu la kutentha kwa screw air compressor; kuphatikiza apo, kusankha magawo oyenera aukadaulo a screw air compressor (voliyumu ya utsi, kuthamanga kwa utsi) ndiye maziko a ngati screw air compressor ingakwaniritse zosowa zopangira komanso ngati ingagwire ntchito mopanda ndalama; pomaliza, ndalama zoyikira ndi kukonza screw air compressor ziyenera kukhala chimodzi mwa zizindikiro zakusankha screw air compressor, ndikuyesera kusankha screw air compressor yokhala ndi kuyika kosavuta komanso ndalama zochepa zosamalira.
Kusankhidwa kwama compressor a mpweya ozunguliraayenera kutsatira njira zotsatirazi:
(1) Fufuzani zosowa za ogwiritsa ntchito (kuthamanga kwa mpweya, kuyenda kwa mpweya, kutentha kwa mpweya, chinyezi cha mpweya, ndi zina zotero zomwe wogwiritsa ntchito amafunikira);
(2) Werengani kukana pakati pa njira yotulutsira mpweya ya screw air compressor ndi malo ogwiritsira ntchito;
(3) Dziwani kuchuluka kwa mphamvu yotulutsa mpweya ya screw air compressor (kuchuluka kwa mphamvu yotulutsa mpweya ya chipangizocho kungawerengedwe malinga ndi nthawi 1.1 ya deta ya chiphunzitso), kuchuluka kwa mphamvu yotulutsa mpweya, kutentha kwa mphamvu yotulutsa mpweya ya screw air compressor pambuyo pa chipangizo chokonzedwa pambuyo pa ntchito, ndi zina zotero;
(4) Malinga ndi zofunikira pa ntchito yodziyimira payokha ya chipangizocho, sankhani makina oyenera owongolera zamagetsi ndi owongolera okha;
(5) Kulemba zofunikira zaukadaulo za compressor ya mpweya wozungulira kuti akonzekere kugula;
(6) Kuyang'anira opanga ndi ogwiritsa ntchito makina opopera mpweya opindika kuti amvetse kuchuluka kwa kupanga kwa wopanga ndi mphamvu yake yopangira, ndikumvetsetsa bwino momwe ogwiritsa ntchito makina opopera mpweya opindika amayankhira;
(7) Kuchita bid yogula screw air compressor, kupanga miyezo yoyenera yowerengera, ndikusankha mayunitsi a screw air compressor omwe ali ndi magwiridwe antchito okwera mtengo kudzera mu bid yolipira;
(8) Pambuyo poti pangano la zida zasainidwa, chitani zikalata zaukadaulo pamasom'pamaso ndi wogulitsa screw air compressor kuti mupange mgwirizano waukadaulo wa screw air compressor ngati chowonjezera pa panganolo.
3. Mavuto ndi malingaliro ofala posankha compressor ya mpweya wozungulira
1. Kusamvetsetsa momwe kapangidwe ka ma compressor a mpweya wozungulira osiyanasiyana amagwirira ntchito kudzapangitsa kuti pakhale kusankha kosamveka bwino kwa screw air compressor, zomwe zidzakhudza mwachindunji momwe compressor ya mpweya wozungulira imagwirira ntchito.
Kawirikawiri, mphamvu zomwe zimagwiritsidwa ntchito ndi makina a multi-axis centrifugal, makina oyendera axial, makina wamba a single-axis centrifugal, makina ozungulira, ndi ma plug-type screw air compressors zimawonjezeka. Mwachitsanzo, mumakampani opanga zinthu zamoyo, kuthamanga kwa mpweya (absolute pressure) komwe kumafunikira nthawi zambiri kumakhala pakati pa 0.30MPa-0.40MPa. Pa ma screw air compressors opitilira 1200Nm3/min, ndibwino kusankha ma axial flow screw air compressors kapena ma multi-axis centrifugal units, omwe ali ndi ndalama zochepa zogwirira ntchito komanso ndalama zochepa zosamalira; pa ma axial flow screw air compressors okhala ndi ma stator blades osinthika, ubwino wake ndi wakuti malo ogwirira ntchito osinthika ndi otakata, ndipo malo ake ogwirira ntchito abwino kwambiri ndi opindika. Chipangizochi chimatha kuwonetsetsa kuti chipangizochi nthawi zonse chimakhala pamalo abwino kwambiri ogwirira ntchito pansi pa katundu wosiyanasiyana. Pa mpweya wa zida zomwe zimafunikira mpweya wochepa, kuthamanga kwa mpweya (absolute pressure) nthawi zambiri kumakhala pakati pa 0.5-0.8MPa. Ma compressor a mpweya opangidwa ndi screw screw nthawi zambiri amasankhidwa m'malo mwa ma compressor a mpweya opangidwa ndi screw screw chifukwa ma compressor a mpweya opangidwa ndi screw screw ali ndi ubwino wokhala ndi kapangidwe kakang'ono, ziwalo zochepa zogwiritsidwa ntchito, magwiridwe antchito okhazikika, komanso osawononga ndalama zambiri poyerekeza ndi ma compressor a mpweya opangidwa ndi screw screw screw screw.
2. Kusankha mopanda nzeru kwa magawo a screw air compressor kumapangitsa kuti screw air compressor isagwire ntchito bwino, ndipo magwiridwe antchito a chipangizocho amachepa.
Za centrifugalma compressor a mpweya ozungulira, kuthamanga ndi kuyenda kwa mpweya zomwe zalembedwa pa dzina la chizindikiro ndi malo ogwirira ntchito omwe ali ndi mphamvu yayikulu kwambiri yogwirira ntchito ya screw air compressor. Popatuka pa malo ogwirira ntchito awa, ntchito ya screw air compressor siili ndi ndalama zambiri. Pantchito yeniyeni, chifukwa cha kusamvetsetsa bwino kwa kuthamanga kwa mpweya pamalo ofunikira mpweya, kuphatikiza kuyerekeza kwa kukana kwa mpweya kuchokera ku screw air compressor kupita kwa wogwiritsa ntchito, pazifukwa zachitetezo, kuthamanga kwa mpweya ndi kuchuluka kwa mpweya wa screw air compressor nthawi zambiri zimayesedwa kuti ndizokwera kwambiri polemba zikalata zoyimbira za screw air compressor, zomwe zimapangitsa kuti pakhale kusiyana kwakukulu pakati pa deta yeniyeni yogwirira ntchito ndi mtengo wa kapangidwe ka chipangizocho. Mwachitsanzo, kampani inalamula screw air compressor yokhala ndi kuthamanga kwa mpweya kovomerezeka (kupanikizika kwathunthu) kwa 0.4MPa, koma pakugwira ntchito kwenikweni, kuthamanga kwa mpweya wa screw air compressor ndi pafupifupi 0.31MPa yokha, ndipo mphamvu yogwiritsira ntchito chipangizocho ndi yayikulu. Chifukwa chake, posankha magawo aukadaulo a screw air compressor yatsopano, ndikofunikira kudziwa kuthamanga kwa mpweya pamalo ogwiritsira ntchito mpweya ndikuwerengera kukana kwa mpweya kuti muwonetsetse kuti magawo a kapangidwe ka screw air compressor akugwirizana ndi ntchito yeniyeniyo. Mwanjira imeneyi yokha, screw air compressor yosankhidwayo imatha kugwiritsa ntchito bwino ntchito yake.
3. Mikhalidwe ya anthu onse yopangira ma compressor a mpweya wozungulira ndi yovuta, zomwe zimakhudza magwiridwe antchito otetezeka komanso osawononga ndalama a ma compressor a mpweya wozungulira.
Mwachitsanzo, kampani inagula screw air compressor yakunja yokhala ndi liwiro la 855m3/min zaka zambiri zapitazo, ndipo mphamvu yotulutsa mpweya (kupanikizika kwathunthu) kwa chipangizocho inali 0.33MPa. Mikhalidwe ya anthu onse popanga screw air compressor imafuna kuti kutentha kwa madzi ozizira a pakati pa siteji yoziziritsira kukhale 5°C. Pakugwira ntchito kwenikweni, kutentha kwa madzi ozizira nthawi zambiri kumakhala kokwera kuposa kutentha kumeneku, zomwe zimapangitsa kuti screw air compressor ilowe mpweya wambiri komanso kuchepa kwa magwiridwe antchito a chipangizocho. Madzi a 5°C akagwiritsidwa ntchito, mtengo wa madzi ozizira a 5°C umakhala wokwera, zomwe zimapangitsa kuti compressor ya screw air compressor ikhale ndi mtengo wokwera, ndipo chipangizocho sichingagwire ntchito kwa nthawi yayitali. Kuti atsimikizire kuti makina a screw air compressor akugwira ntchito bwino, popanga screw air compressor, ogwiritsa ntchito ayenera kupereka deta ya makina a anthu onse yomwe ikugwirizana ndi malowo.
4. Kapangidwe ndi kukhazikitsidwa kwa chipangizo choyezera mpweya chopangidwa ndi screw air compressor pambuyo pokonza zinthu n'kosayenera, kukana mpweya kumawonjezeka, kuthamanga kwa utsi wa screw air compressor kumawonjezeka, ndipo mphamvu yogwiritsira ntchito chipangizocho imawonjezeka.
Ogwiritsa ntchito ena amagula thupi la screw air compressor ndi chipangizo chogwiritsira ntchito pambuyo pokonza zinthu padera. Ngati mphamvu ya kapangidwe ka wopanga chipangizo chogwiritsira ntchito pambuyo pokonza zinthu sikokwanira, ndipo mphamvu yozizira ndi mtengo wopangira mpweya zimaganiziridwa, kuchuluka kwa zipsepse za chubu chosinthira kutentha nthawi zambiri kumawonjezeka m'malo ochepa a chidebecho, zomwe zimapangitsa kuti mpweya usamayende bwino. Nthawi yomweyo, kuyambira pa chotulutsira mpweya chokokera mpaka mpweya wolowa mu chitoliro chachikulu cha mpweya, kuwonjezeka kwa zigongono kudzawonjezera kukana kwa mpweya, ndipo kuchepetsa chiwerengero cha zigongono kungachepetse kukana kwa mpweya; kuphatikiza apo, pazida zogwiritsira ntchito screw air compressor zazikulu zoyendetsera mpweya, ngati malo omwe ali pamalopo alola, zida ziwiri zitha kugwiritsidwa ntchito nthawi imodzi, zomwe zingachepetse kukana kwa mpweya. Wolembayo amalimbikitsa kuti chipangizo chokokera mpweya chokokera mpweya choyendetsera mpweya ndi mapaipi ziyenera kupangidwa ndikuperekedwa ndi wopanga screw air compressor kuti atsimikizire kuti makina okokera mpweya oyendetsera mpweya oyendetsera mpweya akuyenda bwino komanso mokhazikika.
Nthawi yotumizira: Ogasiti-08-2024
